A telescopic device for laying cables along a steel arch for a tunnel, and a method of use. The device comprises a telescopic support, wherein an upper portion of the telescopic support is in rolling fit with two sides of a lower flange plate of a steel arch (11) by means of a sliding wheel assembly; a first cable support assembly and a second cable support assembly are symmetrically arranged at the top of the telescopic support, and are symmetrically positioned at two sides of a web plate of the steel arch; one end of the first cable support assembly and one end of the second cable support assembly are both hinged to the top face of the telescopic support, and the other end of the first cable support assembly and the other end of the second cable support assembly are both detachably connected to several cables (12); and a lower portion of the telescopic support is detachably connected to a traction rope.
H02G 1/06 - Méthodes ou appareils spécialement adaptés à l'installation, entretien, réparation, ou démontage des câbles ou lignes électriques pour poser les câbles, p.ex. appareils de pose sur véhicule
2.
METHOD AND DEVICE FOR REALIZING ADVANCED NITROGEN REMOVAL OF MATURE LANDFILL LEACHATE AND SLUDGE REDUCTION BY USING SLUDGE FERMENTATION PRODUCTS AS CARBON SOURCE
Disclosed are a method and device for realizing advanced nitrogen removal of mature landfill leachate and sludge reduction by using sludge fermentation products as carbon source, belonging to the field of biological treatment of sludge of high ammonia nitrogen wastewater. The mature landfill leachate first enters a PNA-SBR, the reactor operates in an anoxic/anaerobic/oxic (A/A/O) mode, denitrification is performed at an anoxic state; then anaerobic ammonia oxidation is performed at an anaerobic stage to remove part of ammonia nitrogen and nitrite nitrogen; partial nitrification is performed at an oxic stage to remove the ammonia nitrogen; discharged water is pumped into a DN-SBR, meanwhile, an excess sludge fermentation mixture is added, the reactor operates in an anoxic/anaerobic/oxic (A/A/O) mode, organic matters in the sludge fermentation mixture are used for denitrification at an anoxic stage, and meanwhile, microorganisms store an inner carbon source; ammonia nitrogen brought by the fermentation mixture is removed at an anaerobic stage; and denitrification is performed through the inner carbon source at an oxic stage. The remarkable sludge reduction effect is achieved while a removal rate of TN achieves 96.0%, and the method and the device are suitable for advanced removal of the high ammonia nitrogen wastewater.
A dynamic modular neural network (DMNN) for NOx emission prediction in MSWI process is provided. First, the input variables are smoothed and normalized. Then, a feature extraction method based on principal component analysis (PCA) was designed to realize the dynamic division of complex conditions, and the prediction task to be processed was decomposed into sub-tasks under different conditions. In addition, aiming each sub-tasks, a long short-term memory (LSTM)-based sub-network is constructed to achieve accurate prediction of NOx emissions under various working conditions. Finally, a cooperative strategy is used to integrate the output of the sub-networks, further improving the accuracy of prediction model. Finally, merits of the proposed DMNN are confirmed on a benchmark and real industrial data of a municipal solid waste incineration (MSWI) process. The problem that the NOx emission of MSWI process is difficult to be accurately predicted due to the sensor limitation is effectively solved.
The invention discloses a method for preparing lead smelting slag glass-ceramics based on the oxidation of silicon-rich silicon smelting slag and composition adjustment, and belongs to the technical field of resource utilization of smelting slag rich in monatomic silicon. The method comprises the steps: mixing the silicon slag rich in monatomic silicon with an oxidant, a fluxing agent and a clarifying agent according to a formula ratio, ball-milling and screening to obtain a tempering raw material with uniform size, and performing high-temperature oxidation melting on the tempering raw material to form an oxidation-state molten tempering material; and carrying out further mixed melting on the molten tempering material and hot lead slag, carrying out water quenching to obtain basic glass, and carrying out heat treatment system on the obtained basic glass to form the glass ceramics. According to the method, the smelting slag rich in monatomic silicon is subjected to oxidation tempering and mixed melting with the hot lead slag to prepare the basic glass, and the glass ceramics are obtained by regulating and controlling the heat treatment system of the basic glass. The method is simple in technological process, high in production efficiency and low in cost, achieves the collaborative high-value conversion target of the silicon-rich silicon slag and the lead slag, and is easy to industrially popularize and apply.
C03C 10/00 - Verre dévitrifié ou vitrocéramiques, c. à d. verre ou céramiques ayant une phase cristalline dispersée dans la phase vitreuse et constituant au moins 50% en poids de la composition
C03C 1/00 - Ingrédients généralement utilisés pour la fabrication des verres, glaçures ou émaux vitreux
5.
Device and Method for Enhancing Nitrogen and Phosphorus Removal Based on Multistage AO Partial Denitrification Coupled with Anammox in Combination with Sludge Hydrolytic Acidification
A device and method for enhancing nitrogen and phosphorus removal based on a multistage AO partial denitrification coupled with Anammox process in combination with a sludge hydrolytic acidification mixture belong to the technical field of active sludge method wastewater treatment. A system includes a water tank, a water pump, a biochemical reaction zone, a hydrolytic acidification tank and other devices. A multistage AO step-feed pipeline is used to inject raw water into the reaction zone in a segmented manner, guaranteeing efficient utilization of organic matter in the raw water; biofilm carriers are added into an anaerobic zone and anoxic zones to enrich anammox bacteria, and nitrite nitrogen produced by partial denitrification provides a substrate for the anammox bacteria to realize autotrophic nitrogen removal; a nitrification and phosphorus accumulating bacteria aerobic phosphorus uptake are performed in aerobic zones; and part of excess sludge in a secondary sedimentation tank enters the hydrolytic acidification tank to convert macromolecular organic matter into low molecular weight organic matter, a hydrolytic acidification mixture and the excess sludge in the secondary sedimentation tank synchronously flow back to the anaerobic zone, and as a high-quality carbon source, the low molecular weight organic matter can promote partial denitrification. The system provides a novel method for efficient and energy-saving treatment of municipal wastewater.
A method and system for calculating emotional indicators based on pupil-wave are provided. The operation of calculating emotional indicators based on a pupil-wave may include the following operations. A pupil-wave is collected when a subject is in a calm state and set as a standard pupil-wave; Obtaining emotional indicators and corresponding emotions used to measure a mental state. The pupil-wave of the subject in each emotional state is collected and set as an emotional pupil-wave; According to the standard pupil-wave, a bandwidth and differential pupil-wave corresponding to each emotion are calculated; The standard, emotional, bandwidth and differential pupil-wave are input into a pre-trained deep convolutional neural network to obtain index values of emotional indicators.
A method for preparing an ecological foamed ceramic from lepidolite filter mud whole waste belongs to the field of environmental protection and resource reuse. The ecological foamed ceramic with excellent properties can be prepared by using lepidolite filter mud as the main raw materials, including ball milling, homogenization, drying, material distribution, and heat treatment. The amount of lepidolite filter mud in the present invention accounts for more than 90%, which is a whole waste utilization and can achieve high-value utilization of bulk lepidolite filter mud. The present invention uses a composite foaming agent combined with a foaming technology and has the advantages of rapid foaming and controllable pore size compared with a single foaming agent. The ecological foamed ceramic prepared by the present invention meets the industrial standard of CJ/T 299-2008 “Artificial ceramic filter material for water treatment” and has potential application value in domestic sewage treatment.
The present invention discloses a method for checking or testing the profile of the path of contact of involute helical cylindrical gears. It specifically involves the coordinate measurement method of the profile of the path of contact of involute helical cylindrical gears. The crossed helical gear transmits motion through the profile of the path of contact, and checking or testing the profile of the path of contact can reflect the transmission quality and working stability of the gear and the actual motion condition. In the gear hobbing, the grinding, the shaving and other generating machining, the movement of tools and gears is achieved based on the profile of the path of contact, and controlling the profile of the path of contact has unique advantages in controlling the quality of gear processing. The four-axis control method for measuring the profile of the path of contact on the gear tooth surface is achieved through a gear measuring instrument, which can effectively improve its measurement accuracy easily affected by the size of the tested gear. In addition, the three-axis control method for measuring the profile of the path of contact is a simplified method by limiting the radial movements. And the normal generation method and the conventional method for measuring the involute profile can be achieved by limiting the radial and axial movements separately. This method is also suitable for measuring the involute of spur cylindrical gears, where the profile of the path of contact on the gear tooth surface coincides with the involute profile.
DEVICE AND METHOD FOR MEASURING CORRELATION BETWEEN FATIGUE PERFORMANCE AND MICROSTRUCTURE OF ONE-DIMENSIONAL (1D) NANOMATERIAL IN SITU IN TRANSMISSION ELECTRON MICROSCOPE (TEM)
The present disclosure provides a device and method for measuring a correlation between fatigue performance and a microstructure of a one-dimensional (1D) nanomaterial in situ in a transmission electron microscope (TEM), belongs to the technical field of in-situ testing and characterization of microstructures of nanomaterials. The device includes a chip part, a supporting part, and a control circuit. The supporting part is a bracket and a cable disposed on a transmission sample holder, and the circuit part consists of cables connected to the chip and a power supply capable of applying different waveforms, variable voltages, and variable frequencies. This design breaks through a traditional mechanical stress-driven fatigue performance test method, and achieves controllable adjustment of different amplitudes and cycles by using an electric field formed by a voltage and adjusting a voltage size and frequency, such that the 1D nanomaterial vibrates in the electric field to achieve fatigue performance testing.
G01N 23/06 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p.ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et mesurant l'absorption
H01J 37/26 - Microscopes électroniques ou ioniques; Tubes à diffraction d'électrons ou d'ions
10.
STACKING FAULT CONSTRUCTION AND ANIONIC ACTIVITY INDUCTION METHOD FOR LITHIUM-RICH MANGANESE-BASED LAYERED OXIDE
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p.ex. LiMn2O4 ou LiMn2OxFy
The invention belongs to the field of bromine recovery from waste circuit board, and particularly relates to a method for recovering high-purity sodium bromide from bromine-containing crude salt. The invention mainly includes the steps of acidification oxidation, multi-stage extraction, and cooperative back extraction. Compared with traditional chlorine oxidation and single urea back extraction technology, the acidification oxidation process can be effectively controlled by reasonable adjustment of the added amount of hydrochloric acid and sodium chlorate, and the tail gas can be absorbed and reused to avoid secondary pollution and resource waste. At the same time, urea is used with sodium carbonate for cooperative back extraction to achieve a high back extraction rate which greatly reduces the amount of urea, and obtains high-purity sodium bromide crystals. The efficient recovery of bromine resources in bromine-containing crude salt is realised. The benefits of the invention are: high product purity, simple operation, environmental friendliness.
Beijing Precision Machinery & Engineering Research Co., Ltd. (Chine)
Beijing University Of Technology (Chine)
Inventeur(s)
Dai, Yuhong
Niu, Nana
Huang, Zuguang
Xing, Junyan
Zhu, Xiaofeng
Ren, Huiling
Liu, Heqiang
Wang, Dequan
Hou, Yaru
Hao, Xiaoqin
Abrégé
The present invention discloses a method for constructing a surface stress distribution cloud map based on critical refraction longitudinal wave detection. The method comprises: firstly, meshing a surface of a detected article; secondly, The mean transverse stress on different grid lines and the mean longitudinal stress on different grid lines were obtained by the critical refraction longitudinal wave detection method; next, calculating the equivalent stress of each mesh node according to the mean transverse stress on different mesh transverse lines and the mean longitudinal stress on different mesh longitudinal lines on the surface of the detected article; and finally, drawing a stress distribution cloud map of the surface of the detected article according to the equivalent stress. The present invention can obtain the stress situations at different points on the surface of the detected article.
A synergistic extraction method for selectively separating lithium and transition metals from waste batteries by using a hydrophobic deep eutectic solvent, relating to the technical field of hydrometallurgy. Provided is a synergistic extraction method having a good separation and extraction effect. Specifically disclosed are a hydrophobic deep eutectic solvent and tributyl phosphate (TBP) synergistic extractant and a method for separating lithium and transition metals from a waste lithium battery leachate. The hydrophobic deep eutectic solvent provided in the present application comprises n-decanoic acid (a hydrogen bond donor) and lidocaine (a hydrogen bond acceptor). The method comprises the following steps: (1) preparation of a hydrophobic deep eutectic solvent; (2) preparation of an organic phase for extraction; (3) co-extraction of nickel, cobalt and manganese; (4) stripping of nickel, cobalt and manganese; and (5) lithium precipitation. According to the present invention, the extraction effect on transition metals: nickel, cobalt and manganese, is good, the purity of lithium in the remaining water phase is high, efficient recovery of valuable metals in a waste lithium battery positive electrode material leachate is implemented, and the used deep eutectic solvent is a "novel green" solvent that is small in pollution, simple and convenient to synthesize, and low in price.
C22B 3/38 - Traitement ou purification de solutions, p.ex. de solutions obtenues par lixiviation par extraction liquide-liquide utilisant des composés organiques contenant du phosphore
14.
SYSTEM AND METHOD FOR SIMULATED ANALYSIS OF DIOXIN CONCENTRATION IN FURNACE IN SOLID WASTE INCINERATION PROCESS
The present invention provides a system and method for simulated analysis of dioxin concentration in a furnace in the solid waste incineration process. The system comprises an area division module connected to a numerical simulation module, wherein the numerical simulation module is connected to a single-factor analysis module, the single-factor analysis module comprises an orthogonal test analysis module, the area division module is used for dividing a furnace area of an incinerator, the numerical simulation module is used for performing modeling simulation on each divided area, the single-factor analysis module is used for performing single-factor analysis according to the output of the numerical simulation module, and the orthogonal test analysis module is used for performing orthogonal test analysis according to the output of the numerical simulation module. According to the system and method for simulated analysis of dioxin concentration in a furnace in the solid waste incineration process provided by the present invention, mechanisms such as DXN generation, combustion and re-generation in the MSWI process incinerator can be effectively analyzed and simulated, and reference is provided for reducing the DXN concentration at an outlet of a waste heat boiler.
The present invention provides a method for soft measurement of dioxin emission in the MSWI process based on an integrated T-S fuzzy regression tree. Toxic pollutant dioxin (DXN) generated in the municipal solid waste incineration (MSWI) process based on a grate furnace is a key environmental index for realizing operation optimization control of the process. First, a dioxin emission TSFRT model based on a screening layer and a fuzzy reasoning layer is constructed; then a plurality of parameter update learning algorithms for the fuzzy reasoning antecedent and consequence are proposed to obtain five dioxin emission TSFRT models, namely, TSFRT-I, TSFRT-II, TSFRT-III, TSFRT-IV and TSFRT-V; and finally, taking the dioxin emission TSFRT-III model as an example, an integrated TSFRT (EnTSFRT) model using TSFRT-III as a base learner is constructed to realize high-precision modeling of dioxin emission concentration. Experimental results on a real DXN data set indicate the effectiveness and reasonability of the proposed method.
H of the asphalt according to the following formula:
H of the asphalt. This method is based on the evolution law of the average stored pseudo strain energy required to compensate the damage-healing to explore the damage-healing characteristics of asphalt. As a characteristic index of materials, this energy evaluation index has nothing to do with the damage state and the rest periods, but only depends on the strain load, which improves the testing efficiency.
G01N 3/24 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique en appliquant des efforts permanents de cisaillement
G01N 3/32 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique en appliquant des efforts répétés ou pulsatoires
17.
COHERENT ARRAY LASER STRUCTURE AND PREPARATION METHOD
A coherent array laser structure and a preparation method. The coherent array laser structure comprises an array light source, a first resonant cavity and a second resonant cavity, wherein a high-reflection area and a low-reflection area are arranged on two sides of an active area of the array light source; the high-reflection area, the active area and the low-reflection area form the first resonant cavity; a passive dielectric layer (6), a mode selection layer (8) and a reflection layer (9) are sequentially arranged on a light-emergent side of the low-reflection area; the first resonant cavity, the passive dielectric layer (6), the mode selection layer (8) and the reflection layer (9) form the second resonant cavity; and the mode selection layer (8) is used for realizing parallel coherence and forming coherent laser light by means of the second resonant cavity. The length of the structure of the passive dielectric layer (6) and the structure of a micro-nano pattern in the structure of the mode selection layer (8) are regulated and controlled, such that the mode distribution of array laser light is changed, and thus mode locking in the same phase is realized; and composite oscillation is generated by means of the second resonant cavity, thereby achieving efficient self-injection feedback.
H01S 3/08 - Structure ou forme des résonateurs optiques ou de leurs composants
H01S 3/105 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p.ex. commutation, ouverture de porte, modulation ou démodulation par commande de la position relative ou des propriétés réfléchissantes des réflecteurs de la cavité
The present invention provides a dioxin (DXN) emission risk early warning model construction method based on FNN adversarial generation. The method comprises: firstly, by means of a random forest algorithm, adaptively selecting input features that have a high correlation with DXN emission; next, generating candidate virtual samples of corresponding risk levels by means of FNN adversarial generation, so as to solve the problems of a small number of samples and uncertainty; then, constructing a multi-constraint selection mechanism by means of a discrimination probability, the maximum mean value difference and the nearest neighbor category, so as to ensure the quality of selected virtual samples; and finally, constructing an MSWI-process DXN emission risk early warning model on the basis of mixed samples. By means of the present invention, the problems of a high modeling data dimensionality, strong uncertainty, a small number of samples, etc. regarding a DXN risk early warning model are solved, an MSWI-process DXN emission risk early warning model with high effectiveness and superiority is constructed, and thus the accuracy of dioxin emission risk early warning is improved.
G06Q 10/06 - Ressources, gestion de tâches, des ressources humaines ou de projets; Planification d’entreprise ou d’organisation; Modélisation d’entreprise ou d’organisation
19.
METHOD FOR PREPARING ECOLOGICAL FOAMED CERAMIC FROM LEPIDOLITE TAIL MUD FULL WASTE
A method for preparing an ecological foamed ceramic from lepidolite tail mud full waste, which method belongs to the field of environmental protection and resource reutilization. The ecological foamed ceramic having a good performance is prepared by taking lepidolite beneficiation tail mud (lepidolite tail mud for short) as the main raw material, and the method mainly comprises the processes of ball milling, homogenizing, drying, material distribution, heat treatment, etc. The adding amount of the lepidolite tail mud in the present invention accounts for 90% or more, which realizes full waste utilization, and can realize large-scale high-value utilization of lepidolite tail mud. Compared with a single foaming agent, a composite foaming agent combined foaming technology is used in the present invention, and has the advantages of rapid foaming, a controllable pore diameter, etc. The ecological foamed ceramic prepared in the present invention satisifies the industrial standard of CJ/T 299-2008 Artificial Ceramic Filter Material for Water Treatment, and has a potential application value in terms of domestic sewage treatment.
The disclosure relates to a method for measuring parameters of roadway low-position lighting fixtures, comprising: selecting a plurality of sets of low-position lighting fixtures with preset color temperatures and color rendering indexes, or a set of low-position lighting fixtures configurable with multiple pairs of preset color temperature and color rendering index; for each set of the plurality of sets of low-position lighting fixtures or each pair of preset color temperature and color rendering index in the set of low-position lighting fixtures, dynamically recognizing a target under different predetermined luminance levels at different predetermined operating speeds; using obtained samples to fit a relationship model between recognition distance and luminance; and based on the fitted relationship model, determining at least one set of said plurality of sets of low-position lighting fixtures or determining at least one pair of preset color temperature and color rendering index for said set of low-position lighting fixtures. The disclosure also relates to an installation method of roadway low-position lighting fixtures and a road on which the lighting fixtures are installed. The invention overcomes the problems in the existing lighting fixture design in terms of the characteristic indicators of light source, installation height and light distribution.
The invention relates to the field of soil process analysis, in particular to a microcosmic culture device and its application in quantitative analysis of soil carbon diffusion and microbial utilization process. The microcosmic culture device comprises a closed container, an incubator and a dialysis tube in the closed container; The incubator comprises a soil layer; The dialysis tube is connected with the incubator, and part of the tube extends through the side wall of the incubator into the soil layer along the length direction. The dialysis tube is equipped with a carbon source, and the dialysis tube can make the carbon source spread to the soil layer, and always maintain the same water potential inside and outside the dialysis tube. The invention provides a quantitative analysis method for soil carbon diffusion and microbial utilization process based on the microcosmic culture device, through which the relationship between the efficiency of microbial utilization of exogenous carbon source and space can be explored, and the influence of the distance of carbon diffusion on the efficiency of microbial utilization of exogenous carbon can be further quantitatively analyzed.
Provided is a built-in laced-type lattice column double steel plate shear wall having a wall-beam joint region (12), belonging to the field of structural engineering. The double steel plate shear wall is made up of two outside steel plates (5), two built-in laced-type lattice column edge columns, n intermediate built-in steel pipe columns (6) and 4(n +1) pieces of horizontal connecting channel steel (10). The shear wall and a steel beam can be connected by means of a bolt or a cover plate; and the combination of the columns, the channel steel (10), angle steel (11), and the steel plates (5) greatly improves the lateral stiffness of the shear wall. The present invention solves the problems in the prior art where connection joints between steel plate shear walls and steel beam need to be treated for appearance, and the installation processes are complex; also, effective force transmission between the shear wall and the steel beam is ensured, internal reinforcement is achieved, and an energy dissipation capacity is also improved. The present invention utilizes a standardized process, and a new approach is provided in the development of assembled steel structures.
E04B 2/60 - Murs avec ossature d'encadrement ou potelets; Murs comportant des pièces allongées supportant la charge avec pièces allongées en métal caractérisées par un profil transversal particulier des pièces allongées
E04B 2/56 - Murs avec ossature d'encadrement ou potelets; Murs comportant des pièces allongées supportant la charge
23.
METHOD AND APPARATUS FOR SETTING FATIGUE AROUSAL SECTION IN TUNNEL, AND ROAD TUNNEL
Disclosed in the present invention are a method and apparatus for setting a fatigue arousal section in a tunnel, and a road tunnel. The method for setting a fatigue arousal section in a tunnel comprises: determining a plurality of colors and brightness levels of a fatigue arousal section; generating, on the basis of a plurality of samples, a plurality of arousal duration models of drivers' arousal durations changing along with stimulus amounts at a plurality of different vehicle speeds, wherein the samples comprise arousal durations of different drivers at different stimulus amounts under the plurality of colors and brightness levels; determining, by means of a corresponding arousal duration model according to a specified vehicle speed in a tunnel, a length of and a distance between fatigue arousal sections to be set; and setting one or more fatigue arousal sections in the tunnel on the basis of the determined length of and distance between fatigue arousal sections. According to the present invention, support can be provided for setting effective fatigue arousal sections in extra-long highway tunnels, and thus, physiological and psychological needs of drivers for safe and comfortable driving in extra-long tunnels can be met.
A61B 5/18 - Dispositifs pour l'exécution des tests de capacité pour conducteurs de véhicules
A61B 5/024 - Mesure du pouls ou des pulsations cardiaques
A61M 21/00 - Autres dispositifs ou méthodes pour amener un changement dans l'état de conscience; Dispositifs pour provoquer ou arrêter le sommeil par des moyens mécaniques, optiques ou acoustiques, p.ex. pour mettre en état d'hypnose
E02D 29/045 - Ouvrages souterrains, p.ex. tunnels ou galeries, creusés à ciel ouvert ou par des procédés impliquant une perturbation de la surface du sol tout le long du tracé; Leurs procédés de construction
B60W 40/08 - Calcul ou estimation des paramètres de fonctionnement pour les systèmes d'aide à la conduite de véhicules routiers qui ne sont pas liés à la commande d'un sous-ensemble particulier liés aux conducteurs ou aux passagers
24.
Method for Enhancing Denitrification of Sewage with Low Carbon-To-Nitrogen Ratio by Using Electrode Biocarrier
The disclosure discloses a method for enhancing denitrification of sewage with a low carbon-to-nitrogen ratio by using an electrode biocarrier, and relates to the field of sewage treatment. The disclosure uses a conductive material as a microbial carrier and a potentiostat to induce a micro-electric field for directional acclimation and enrichment of electroactive denitrification microorganisms, and realizes a high-efficiency denitrification of the sewage with a low carbon-to-nitrogen ratio. The disclosure aims to provide a technical method for solving the problem of deep denitrification of municipal sewage with a low carbon-to-nitrogen ratio.
SYSTEM AND METHOD FOR REALIZING PARTIAL ANAMMOX ADVANCED NITROGEN AND PHOSPHORUS REMOVAL THROUGH MAINSTREAM AND SIDESTREAM BIOFILM CYCLIC ALTERNATING FOR MUNICIPAL WASTEWATER TREATMENT PLANT
The present application provides a system and method for realizing partial anammox advanced nitrogen and phosphorus removal through mainstream and sidestream biofilm cyclic alternating for a municipal wastewater treatment plant. The system includes three main component units: a mainstream zone (a), an advanced treatment zone (b) and a side stream zone (c). Advanced nitrogen and phosphorus removal of the entire system is realized through cyclic alternating of biofilms. In the mainstream zone (a), the main function of an anaerobic/anoxic zone is to perform heterotrophic denitrification nitrogen removal, and partial denitrification/anammox autotrophic nitrogen removal, and the main function of an oxic zone is to remove organic matter, perform aerobic phosphorus uptake, and complete a nitrification reaction. In a denitrification fluidized bed (8) in the advanced treatment zone (b), advanced treatment is performed for a mixed solution of effluent and raw water in the mainstream zone to achieve heterotrophic denitrification, and partial denitrification/anammox autotrophic nitrogen removal. A high-ammonia nitrogen anammox nitrogen removal zone (7) in the sidestream zone (c) enriches anammox bacteria based on biofilms, realizing autotrophic nitrogen removal of sidestream high-ammonia nitrogen wastewater.
A method for the batch preparation of an organic polymer microfiber laser (2.2). The batch preparation method comprises: dissolving a laser gain medium, an organic polymer and a surfactant in a solvent to prepare a solution; filling an injector (1.1) with the solution, fixing the injector (1.1) on a displacement platform (1.2) that is capable of horizontally moving, and placing a metal drum wheel (1.4) that is capable of rotating below the displacement platform (1.2); and extruding the solution in the injector (1.1) by using a micro-injection pump, gathering same at the tip of the injector (1.1), forming an organic polymer microfiber laser (2.2) between the tip of the injector (1.1) and the metal drum wheel (1.4) under the action of gravity and solution viscosity, rotatably collecting same by using the metal drum wheel (1.4), and performing batch preparation. When external light is pumped, a laser gain medium in the organic polymer microfiber laser (2.2) absorbs the energy of the pump light, emitted fluorescence is totally reflected on the inner boundary of microfibers multiple times to form gain, and laser output is therefore obtained.
An acoustic field diffusion type electromagnetic acoustic transducer with improved periodic permanent magnets is provided, which includes periodic permanent magnets, a transducer framework, improved racetrack shaped coils and a transducer connector.
A landform rotating electromagnetic field generating device, comprising metal electrodes (2), signal transmitters (3), a landform conductive medium (4) and wires (5). The landform rotating electromagnetic field generating device is arranged according to two specific modes: circular staggered epipolar arrangement and circular adjacent arrangement. The wires (5) and the metal electrodes (2) are weldedly connected. The metal electrodes (2) are embedded into the landform conductive medium (4) and are uniformly distributed on the edge of a detection region. Each wire (5) communicates with a corresponding signal transmitter (3) to emit sine waves or square waves with different phase sequences at the same frequency, thereby generating a rotating electromagnetic field having an adjustable magnetic field intensity shape.
G01V 3/08 - Prospection ou détection électrique ou magnétique; Mesure des caractéristiques du champ magnétique de la terre, p.ex. de la déclinaison ou de la déviation fonctionnant au moyen de champs magnétiques ou électriques produits ou modifiés par les objets ou les structures géologiques, ou par les dispositifs de détection
29.
Hardware-in-loop simulation experiment platform of multiple input and multiple output loop control for MSWI process
A hardware-in-loop simulation experiment platform of multiple input and multiple output loop control for MSWI process includes a real equipment layer and a virtual object layer, where in the real equipment layer and the virtual object layer realize communication through hard wirings and data acquisition cards, the real equipment layer and virtual object layer realize communication in OPC mode through Ethernet; the real equipment layer comprises monitoring equipment and control equipment, and the virtual object layer comprises an MSWI actuator model, an MSWI instrument device model and an MSWI process object model which are respectively operated in different industrial personal computers. The hardware-in-loop simulation experiment platform of multiple input and multiple output loop control for MSWI process provided by the invention is used for providing a reliable engineering verification environment for MSWI process control.
G06F 30/27 - Optimisation, vérification ou simulation de l’objet conçu utilisant l’apprentissage automatique, p.ex. l’intelligence artificielle, les réseaux neuronaux, les machines à support de vecteur [MSV] ou l’apprentissage d’un modèle
G06Q 10/30 - Administration du recyclage ou de l’élimination des produits
30.
DEVICE AND METHOD FOR CONTROLLING SIZE OF MOLTEN POOL IN WIRE AND ARC ADDITIVE MANUFACTURING PROCESS
A device and a method for controlling a size of a molten pool in a wire and arc additive manufacturing process are provided. The device includes additive manufacturing equipment, a connecting device, bilateral gas flow devices and a CCD camera. By adjusting the connecting device, the bilateral gas flow devices and a welding gun have proper relative positions. The CCD camera is clamped on a rear side of the welding gun and matched with a proper optical filter to detect size information of the molten pool. In the additive manufacturing process, the bilateral gas flow devices and the welding gun keep moving synchronously, welding wires are conveyed to a designed position of a deposited layer by a wire feeding device, and bilateral gas flows can directly and synchronously act on a melting region. A flow controller is adjusted in real time according to the size of the molten pool.
B22F 10/322 - Commande ou régulation des opérations de l’atmosphère, p.ex. de la composition ou de la pression dans une chambre de fabrication d’un écoulement de gaz, p.ex. du débit ou de la direction
B22F 12/00 - Appareils ou dispositifs spécialement adaptés à la fabrication additive; Moyens auxiliaires pour la fabrication additive; Combinaisons d’appareils ou de dispositifs pour la fabrication additive avec d’autres appareils ou dispositifs de traitement ou de fabrication
B22F 12/90 - Moyens de commande ou de régulation des opérations, p.ex. caméras ou capteurs
31.
MOBILE EDGE CACHE OPTIMIZATION METHOD BASED ON FEDERATED LEARNING
The present invention relates to a mobile edge cache optimization method based on effective federated learning, and belongs to the fields of the Internet of Things and artificial intelligence. In the method, the situation where the user mobility and content popularity continuously change within a single base station range is taken into consideration, and a cache hit rate is improved by means of predicting the content popularity and placing requested content at an edge cache in advance. Specifically, a user moment trajectory table is obtained by using a random waypoint (RWP) model, a manner of movement of a user is simulated, a local training consumption is taken into consideration, a user participating in FL local training is selected by combining clustering with a threshold value, a model weight is controlled by using an attention mechanism, so as to perform global model aggregation, and according to an obtained global prediction model, predicted requested content is cached in a server in advance, so as to improve a cache hit rate. In the method, client selection and weight aggregation are optimized by using a federated learning method, such that an effective federated learning method is realized, thereby reducing a local training consumption, and improving a cache hit rate.
G06F 30/27 - Optimisation, vérification ou simulation de l’objet conçu utilisant l’apprentissage automatique, p.ex. l’intelligence artificielle, les réseaux neuronaux, les machines à support de vecteur [MSV] ou l’apprentissage d’un modèle
32.
Method for separating and extracting rare-earth and regenerating rare-earth polishing powder from rare-earth polishing powder waste
The invention relates to a method of separating and extracting rare-earths from rare-earth polishing powder waste and regenerating rare-earth polishing powder, which is characterized by: firstly, process the waste powder with first acid leaching, alkali roasting, and second acid leaching to separate and extract rare-earths from rare-earth polishing powder waste to obtain the leaching solution of rare-earth chloride; secondly, precipitate from the leaching solution with ammonia to remove impurities and hydrochloric acid solution to obtain the purified solution of rare-earth chloride; thirdly, co-precipitate from the solution acquired in the second step with hydrofluoric acid, ammonium bicarbonate, and dispersant to obtain the lanthanum cerium fluoro-carbonate; and finally, after drying, two-stage high-temperature calcination, and ball milling, the regenerated rare-earth polishing powder with decent polishing performance can be obtained. The total leaching efficiency of rare-earths in the rare-earth polishing powder waste of the present invention reaches more than 95%, and the total recovery efficiency of rare-earths reaches more than 93%, which realizes the efficient separation, extraction, and regeneration of rare-earths in the rare-earth polishing powder waste.
C22B 59/00 - Obtention des métaux des terres rares
C01F 17/241 - Composés ne contenant que des métaux des terres rares comme l'élément métallique le seul anion étant oxyde ou hydroxyde contenant plusieurs métaux des terres rares, p.ex. NdPrO3 ou LaNdPrO3
Provided in the present invention is a residual fitting mechanism-based simplified deep forest regression soft measurement method for furnace grate furnace MSWI process dioxin emission. Toxic pollutant dioxin (DXN) generated in a solid waste incineration process is a key environment index which must be minimized and controlled. Carrying out rapid and accurate soft measurement on the DXN emission concentration is the to priority to reduce the discharge of this type of pollutants. The method comprises: firstly, performing feature selection on a high-dimensional process variable by using mutual information and a significance test; then, constructing a simplified deep forest regression (SDFR) algorithm to learn a nonlinear relationship between the selected process variable and the DXN emission concentration; finally, designing a gradient enhancement strategy on the basis of a residual fitting (REF) mechanism to improve the generalization performance of the layer-by-layer learning process. Compared with other methods, the present method is better in prediction precision and time consumption.
G06F 30/27 - Optimisation, vérification ou simulation de l’objet conçu utilisant l’apprentissage automatique, p.ex. l’intelligence artificielle, les réseaux neuronaux, les machines à support de vecteur [MSV] ou l’apprentissage d’un modèle
34.
COMPOSITE SEWAGE DENITRIFICATION PROCESS DEVICE AND OPERATION PARAMETER OPTIMIZATION METHOD
Disclosed are a composite sewage denitrification process device and an operation parameter optimization method. In the composite sewage denitrification process device having a built-in electrode biological carrier, a Box-Behnken model is used to design an orthogonal experiment, the carbon-nitrogen ratio, the hydraulic retention time, and the sludge volume fraction are selected as influence factors, the nitrate nitrogen removal rate, the COD removal efficiency, and the electrode carrier area denitrification contribution ratio are selected as response variables, an orthogonal experiment result is analyzed by using the response surface methodology, and a mathematical model between the influence factors and the response variables is established. According to the present invention, an optimization and control scheme for a process operation condition is obtained by using the response surface methodology, the efficiency of a process under different operation conditions can be predicted, and the present invention has the advantages of reducing the experimental workload and shortening the process operation time.
A rapid DLP 3D printing control parameter optimization method combining continuous and layered molding includes the following steps: confirming the maximum printable distance of each slice by analyzing the printable area of the model slice. The liquid-liquid interface printing scene was further established, and the flow behavior of the resin between the printed object and the fluorinated oil after printing a layer of slices was simulated and recorded. Next, determine the printing mode of the current slice by slicing the maximum printable distance and numerical simulation model. Then, based on Poiseuille flow, Jacobs working curve and Lambert-Beer law, the resin curing time of continuous and layered printing, the maximum filling distance of continuous printing, the best lifting distance of layered printing, and the corresponding printing platform lifting of the two methods are expressed speed. Finally, camera monitoring is used to determine the print origin before printing starts. This method can achieve fast printing of any model by obtaining the optimal control parameters, while being portable and printable.
B29C 64/124 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p.ex. dépôt d’un cordon continu de matériau visqueux utilisant des couches de liquide à solidification sélective
36.
method for recovering rare-earth in cerium-based rare-earth polishing powder waste by two-step acid leaching gradient separation
The invention relates to a method of recovering rare-earth in cerium-based rare-earth polishing powder waste by two-step acid leaching gradient separation, characterized by: firstly, using a one-step acid leaching treatment on cerium-based rare-earth polishing powder waste to obtain a rare-earth leaching liquor which is rich in La; secondly, the leaching residue is then processed through alkali activation and transformation process, water washing and impurity removal process, secondary acid leaching process, filtration, and recovery to obtain high purity CeO2 products; thirdly, the acid leaching liquor obtained through first acid leaching and second acid leaching process is finally precipitated by oxalic acid, filtered and calcined at high temperature to obtain rare-earth oxide mixed products, which achieves the gradient separation and recovery of rare-earths from cerium-based rare-earth polishing powder waste. The total recovery efficiency of rare-earth of this invention reaches 97% or higher, with high efficiency of rare-earth recovery, wide process applicability, and low environmental pollution.
A dynamic multi-objective particle swarm optimization based optimal control method is provided to realize the control of dissolved oxygen (SO) and the nitrate nitrogen (SNO) in wastewater treatment process. In this method, dynamic multi-objective particle swarm optimization was used to optimize the operation objectives of WWTP, and the optimal solutions of SO and SNO can be calculated. Then PID controller was introduced to trace the dynamic optimal solutions of SO and SNO. The results demonstrated that the proposed optimal control strategy can address the dynamic optimal control problem, and guarantee the efficient and stable operation. In addition, this proposed optimal control method in this present invention can guarantee the effluent qualities and reduce the energy consumption.
G05B 13/02 - Systèmes de commande adaptatifs, c. à d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques
G05B 13/04 - Systèmes de commande adaptatifs, c. à d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques impliquant l'usage de modèles ou de simulateurs
38.
DEVICE AND METHOD FOR SYNCHRONOUSLY TREATING HIGH-AMMONIA-NITROGEN WASTEWATER AND EXCESS SLUDGE
A device and a method for synchronously treating high-ammonia-nitrogen wastewater and excess sludge, which device and method belong to the field of excess-sludge biochemical treatment and sewage treatment. The involved device comprises: a primary water tank, a first SBR, an intermediate water tank, a sludge storage tank, and a second SBR. High-ammonia-nitrogen wastewater enters the first SBR, undergoes a short-cut nitrification coupling anaerobic ammonia oxidation, wherein some ammonia nitrogen is converted into nitrite nitrogen by means of short-cut nitrification, and residual ammonia nitrogen and the nitrite nitrogen are subjected to anaerobic ammonia oxidation to generate nitrogen and some nitrate nitrogen. The water output of the first SBR and the excess sludge in the sludge storage tank are synchronously pumped into the second SBR. In the second SBR, denitrifying bacteria reduce nitrate nitrogen into nitrogen by using organic matters generated by fermentation of the excess sludge as a carbon source, thereby achieving excess-sludge recycling and denitrification deep nitrogen removal. In the present invention, after a new autotrophic biological nitrogen removal process is used for the high-ammonia-nitrogen wastewater, the anaerobic fermentation of the sludge is then synchronized, thereby truly achieving the deep nitrogen removal of sewage and recycling treatment of excess sludge, and saving costs for nitrogen removal.
The invention provides a retractable friction stir welding spindle, aims at the deficiencies and defects of the existing friction stir welding spindle technology, that is, when the welding is finished, the stirring needle leaves a keyhole at the end of the weld seam, which affects the forming performance of the workpiece, the overall structure design of the spindle is complicated with many transmission chains and low reliability which is difficult to realize modularization. The retractable friction stir welding spindle includes an electric spindle system and a retracting mechanism. The electric spindle system includes stirring shaft shoulder, hilt, front end cover, hollow spindle, motorized spindle shell, motor rotor, motor stator, tail end cover, etc. The retracting mechanism includes stirring needle, connecting ball head and electric cylinder. The invention has the advantages of simple structure and can be mainly divided into two modules to improve reliability and integrity. The invention can also avoid the generation of friction stir welding keyhole.
B23K 20/00 - Soudage non électrique par percussion ou par une autre forme de pression, avec ou sans chauffage, p.ex. revêtement ou placage
B23K 20/12 - Soudage non électrique par percussion ou par une autre forme de pression, avec ou sans chauffage, p.ex. revêtement ou placage la chaleur étant produite par friction; Soudage par friction
40.
SOFT-SENSING METHOD FOR DIOXIN EMISSION DURING MSWI PROCESS AND BASED ON BROAD HYBRID FOREST REGRESSION
A soft-sensing method for dioxin emission during an MSWI process and based on broad hybrid forest regression (BHFR). On the basis of a BLS framework, a BHFR soft-sensing model for small-sample and high-dimensional data is constructed by means of replacing neurons with a non-differential base learner, and the BHFR soft-sensing model comprises the construction of a feature mapping layer, a potential feature extraction layer, a feature enhancement layer and an incremental learning layer. The method comprises: firstly, constructing a hybrid forest group composed of a random forest and a completely random forest to perform high-dimensional feature mapping; secondly, performing potential feature extraction on a feature space of a fully connected hybrid matrix according to a contribution rate, and reducing model complexity and computing consumption by using an information measurement criterion; then, training a feature enhancement layer on the basis of the extracted potential information, so as to enhance a feature representation capability; and finally, constructing an incremental learning layer by means of an incremental learning strategy, and obtaining a weight matrix by using the Moore-Penrose pseudo-inverse, so as to realize high-precision modeling. The effectiveness and rationality of the proposed method are verified on a high-dimensional reference data set and an industrial process DXN data set.
G06F 30/27 - Optimisation, vérification ou simulation de l’objet conçu utilisant l’apprentissage automatique, p.ex. l’intelligence artificielle, les réseaux neuronaux, les machines à support de vecteur [MSV] ou l’apprentissage d’un modèle
G06K 9/62 - Méthodes ou dispositions pour la reconnaissance utilisant des moyens électroniques
The invention discloses a fully automatic intelligent rubber tapping robot, which comprises a moving platform and a rubber tapping robot arm. The rubber cutting mechanical arm is installed on the moving platform. tapping robot arm is installed on the moving platform. The tapping robot arm is specially designed for rubber cutting operation, the end of the tapping robot arm is equipped with an end actuator, which is composed of a tree-hugging fixed device and a sliding rubber tapping device. The invention can carry out the rubber cutting operation independently without manual intervention, which greatly reducing the manual input, and obviously improving the rubber cutting efficiency and time economy conversion efficiency. The movable system can work alone in a whole rubber forest with a large working area and reduces the average input cost per tree. The technical indexes of the rubber tree, such as cutting depth, cutting skin consumption and cutting smoothness, all meet the requirements of traditional rubber cutting technology and have good popularization and application value.
G06F 17/00 - TRAITEMENT ÉLECTRIQUE DE DONNÉES NUMÉRIQUES Équipement ou méthodes de traitement de données ou de calcul numérique, spécialement adaptés à des fonctions spécifiques
Disclosed is a pressure balancing clamp for a press-pack insulated gate bipolar transistor (IGBT) module. The pressure balancing clamp for a press-pack IGBT module includes a bracket, where the bracket is provided with two longitudinally arranged pressure equalizing plates in a sliding way; the pressure equalizing plates are connected through pressure sensors; the upper and lower ends inside the bracket are respectively connected with the pressure equalizing plates through hydraulic devices and a displacement compensation device; opposite surfaces of the two pressure equalizing plates are respectively provided with heat dissipation and confluence devices. The pressure sensors are in one-to-one correspondence with the hydraulic devices and are electrically connected. The hydraulic devices adjust the pressure according to the readings of the pressure sensors in corresponding directions, so that the pressure of the press-pack IGBT module is balanced.
H01L 23/40 - Supports ou moyens de fixation pour les dispositifs de refroidissement ou de chauffage amovibles
H01L 23/473 - Dispositions pour le refroidissement, le chauffage, la ventilation ou la compensation de la température impliquant le transfert de chaleur par des fluides en circulation par une circulation de liquides
F16F 15/04 - Suppression des vibrations dans les systèmes non rotatifs, p.ex. dans des systèmes alternatifs; Suppression des vibrations dans les systèmes rotatifs par l'utilisation d'organes ne se déplaçant pas avec le système rotatif utilisant des moyens élastiques
43.
Device and method for measuring fretting displacement in power cycle of press-pack IGBT
Disclosed are a device and a method for measuring a fretting displacement in a power cycling of a press-pack insulated gate bipolar transistor (IGBT). The IGBT includes: a bracket; slide bars slidably mounted on the bracket and are arranged at least four along a circumferential direction of the bracket; sensors respectively slidably installed on the bracket and the slide bars; and a power cycling experiment device arranged inside the bracket.
G01B 11/02 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur
H01L 21/67 - Appareils spécialement adaptés pour la manipulation des dispositifs à semi-conducteurs ou des dispositifs électriques à l'état solide pendant leur fabrication ou leur traitement; Appareils spécialement adaptés pour la manipulation des plaquettes pendant la fabrication ou le traitement des dispositifs à semi-conducteurs ou des dispositifs électriques à l'état solide ou de leurs composants
G01B 11/30 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la rugosité ou l'irrégularité des surfaces
G01M 5/00 - Examen de l'élasticité des structures ou ouvrages, p.ex. fléchissement de ponts ou d'ailes d'avions
G01M 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
G01N 3/56 - Recherche de la résistance à l'usure ou à l'abrasion
44.
NEW CONTINUOUS-FLOW LARGE-CYCLE ANAEROBIC AMMONIUM OXIDATION PROCESS REACTION APPARATUS AND REAL-TIME CONTROL METHOD
A continuous-flow large-cycle anaerobic ammonium oxidation process reaction apparatus, which comprises a PDA reaction tank (1), an aeration tank (2), and a PNA reaction tank (3) that are arranged in sequence, can realize continuous operation, and is simple in structure, convenient to operate, free of a stirring and mixing device, and low in maintenance cost. By using the real-time control method of the apparatus, the amount of circulation up to 20-200 times and the ascending flow velocity of 5-30 m/h can be realized; the difficulty of poor mixing and mass transfer effects of an anaerobic ammonia oxidation process for a carrier biological membrane can be solved, and full mixing and mass transfer of the carrier biological membrane subjected to anaerobic ammonia oxidation and sewage are realized; suspended microorganisms in the tank are promoted to quickly granulate, and microorganisms in the reaction apparatus are mainly granular sludge, are high in water quality and water amount impact load resistance and good in settling performance, and can be effectively retained in the reactor. Short-cut denitrification/anaerobic ammonia oxidation and short-cut nitrification/anaerobic ammonia oxidation are combined and realized in a same system, the advantages of the anaerobic ammonia oxidation process are fully played, and a new implementation solution is provided for engineering of the anaerobic ammonia oxidation process.
a100-a-bbc100-c2080257575 alloy, M is one or more of Al, Cu, Zn, Co and Ni, and a, b and c are weight percentage content×100 and meet: 26≤a≤32, 0.9≤b≤1.1, and 55≤c≤95; and the melting point of the auxiliary alloy B is lower than 600°C.
H01F 41/02 - Appareils ou procédés spécialement adaptés à la fabrication ou à l'assemblage des aimants, des inductances ou des transformateurs; Appareils ou procédés spécialement adaptés à la fabrication des matériaux caractérisés par leurs propriétés magnétiques pour la fabrication de noyaux, bobines ou aimants
H01F 1/057 - Alliages caractérisés par leur composition contenant des métaux des terres rares et des métaux de transition magnétiques, p.ex. SmCo5 et des éléments IIIa, p.ex. Nd2Fe14B
46.
Method of separating and recovering bromine from printed circuit board incineration ash by two-step process
The invention relates to the field of efficient separation and recovery of bromine by full wet method, especially to a two-step separating method of bromide and recovery of lead and zinc from printed circuit board Incineration ash. It mainly includes first sodium hydroxide alkaline leaching, secondary sodium peroxide alkaline leaching, pH adjustment, separate lead and zinc, bromide evaporation and crystallization to recover crude bromide and other steps. Compared with traditional comprehensive recovery process of ash, the invention uses sodium hydroxide to dissolve bromide, lead and zinc, and uses the strong oxidation of sodium peroxide in alkaline environment, copper bromide and other bromine are oxidized and leached; through two-step method, the efficient leaching of bromine, lead and zinc is realized, silver and other precious metals are enriched at the same time. It is beneficial to subsequent recovery of precious metals and has the characteristics of short tail liquid discharge.
The present disclosure provides a method for in-situ synthesizing tungsten carbide powder. In this method, cemented carbide scrap is used as an electrode and the molten salt electrolysis process is used to in-situ synthesize tungsten carbide powder, where a bidirectional pulse is used in the molten salt electrolysis process. In the method provided by the present disclosure, by using the bidirectional pulse and using the cemented carbide scrap as electrode in the molten salt medium, when the tungsten carbide scrap is oxidized, tungsten is dissolved in ionic form, deposited after the direction of current changes, and reacted with the carbon anode sludge in situ to generate tungsten carbide powder. In the present disclosure, the carbon anode sludge is treated appropriately, the recycled product can be used in upmarket application, there is no need to apply complicated processes to process the tungsten powder into tungsten carbide, and the tungsten carbide nanopowder with high-performance can be recycled and prepared in a short process.
C25B 11/042 - PROCÉDÉS ÉLECTROLYTIQUES OU ÉLECTROPHORÉTIQUES POUR LA PRODUCTION DE COMPOSÉS ORGANIQUES OU MINÉRAUX, OU DE NON-MÉTAUX; APPAREILLAGES À CET EFFET Électrodes; Leur fabrication non prévue ailleurs caractérisées par le matériau Électrodes à base d’un seul matériau
A wastewater treatment process using an upflow independent-aeration self-circulation high-column aerobic sludge bed as a main body. The main procedures comprise: wastewater to be treated enters a reaction column (1) from a water inlet (11) at the upper middle portion of the reaction column (1); ammonia nitrogen in the wastewater is removed by means of the implementation of nitrification in a high DO area close to the middle portion, and as the water flow rises, DO at the top portion decreases; the returned nitrate nitrogen and COD in the wastewater are subjected to denitrification to implement the synchronous removal of the nitrate nitrogen and the COD; an aeration column (2) uses double return flows to implement entry to the reaction column (1); the rising flow rate is controlled and adjusted by controlling a reaction column upper water inlet stop valve (7) and a reaction column lower water inlet stop valve (8); finally, effluent of the aeration column (2) enters a precipitation column (3) through a precipitation column water inlet pipe (6), and the precipitation column (3) realizes SS removal by means of overflow discharge.
A pyrolysis recycling method for an organic component in a waste light-emitting diode, relating to the technical field of photoelectric device recycling. In the present invention, firstly, pyrolysis is performed for a waste light-emitting diode, a volatile component is collected, and metal is enriched; the volatile component is condensed to obtain a pyrolytic gas and a pyrolytic oil, and the pyrolytic gas is purified and then combusted for heat reuse; ammonia water is added into the pyrolytic oil, heating is carried out for reaction, the liquid is left standing for layering, a separated water layer is heated to recycle ammonia gas, and an oil layer is subjected to high-speed centrifugation to separate out a black oil layer and crude silicone oil; the black oil layer is subjected to water washing, drying, extraction by an organic solvent, and distillation under reduced pressure to prepare crude phenol. According to the present invention, by using pyrolysis, metal in a waste light-emitting diode is effectively enriched, thereby facilitating comprehensive recycling of the metal, and the effect of 20%-25% volume reduction of the waste light-emitting diode is achieved in the pyrolysis process. According to the present invention, the pyrolytic gas is directly reused after being purified, such that energy consumption is reduced. According to the present invention, phenol separated using ammonia water is used, and the use of a strong alkali and a strong acid is avoided.
A dynamic balance type vertical vibration isolator includes slide blocks, balance springs, mass blocks, a fixed block, rotation shafts, stiffness-adjustable springs, etc. When an earthquake force is upward, the stiffness-adjustable springs are compressed, upward forces of the stiffness-adjustable springs are increased, meanwhile, the slide blocks and the mass blocks move away from the fixed block, the balance springs are stretched to generate pull forces, and the pull forces have vertically upward components, so as to reduce compression degrees of the stiffness-adjustable springs, and further to reduce the upward forces of the stiffness-adjustable springs. Similarly, when the earthquake force is downward, the stiffness-adjustable springs are stretched, downward forces of the stiffness-adjustable springs are increased, meanwhile, the slide blocks and the mass blocks move close to the fixed block, the balance springs are compressed to generate compression forces, and the compression forces have vertical downward components.
F16M 11/22 - Infrastructure avec ou sans roues à hauteur sensiblement constante, p.ex. avec colonne ou pieds de longueur constante
F16F 15/02 - Suppression des vibrations dans les systèmes non rotatifs, p.ex. dans des systèmes alternatifs; Suppression des vibrations dans les systèmes rotatifs par l'utilisation d'organes ne se déplaçant pas avec le système rotatif
51.
Modular multi-hinge retractable rigid-flexible coupling space manipulator based on origami structure
A modular multi-hinge retractable rigid-flexible coupling space manipulator based on origami structure includes a plurality of folding units and a manipulator base. The modular design idea is adopted for the manipulator, which is formed by combining multiple folding units. the driving motors installed on each folding unit drive the folding units to stretch out, draw back and fold over, so that the manipulator can stretch out and draw back flexibly and bend in any direction to complete the work tasks in a variety of complex environments. For the manipulator, the flexible materials are added to the links of the folding units, and deformation can be effectively compensated, the mechanism is simplified, and impact is relieved. The torsional spring is additionally arranged in the folding units to play a supporting role, so that the manipulator can be placed in forward or in inverted direction to match with various bases. The angle sensor is fixedly connected to the rotating pair formed by the chassis and the folding unit, and the rotating speed of the manipulator is monitored to avoid large impact or damage.
The present invention relates to the technical field of desulfurization of waste tires, and provides a method for desulfurization of a waste tire by using supercritical carbon dioxide. According to the method, under specific temperature and pressure conditions, supercritical carbon dioxide is used as a reaction medium, and has excellent solubility and permeability, so that the tire can be swelled in the reaction process, and a desulfurizing agent is introduced into the tire and reacts with a main chain or a cross-linking bond in a cross-linked network structure to remove the sulfur element from the interior of the tire. The method is simple in technology process, high in process controllability, and easy to operate.
C08J 11/28 - Récupération ou traitement des résidus des polymères par coupure des chaînes moléculaires des polymères ou rupture des liaisons de réticulation par voie chimique, p.ex. dévulcanisation par traitement avec une substance organique par traitement avec des composés organiques contenant de l'azote, du soufre ou du phosphore
C08J 11/10 - Récupération ou traitement des résidus des polymères par coupure des chaînes moléculaires des polymères ou rupture des liaisons de réticulation par voie chimique, p.ex. dévulcanisation
C08L 19/00 - Compositions contenant des caoutchoucs non prévues dans les groupes
53.
Cost-effective method for recovering precious metals in circuit board components
A cost-effective method for recovering precious metals in circuit board components utilizes the basic principle of oxidation-reduction reaction, adopts a mixed solution of sulfuric acid and hydrogen peroxide and a mixed solution of hydrochloric acid, sodium chloride and sodium chlorate, and also adopts ammonia water and formaldehyde to reduce silver. According to the characteristic that the redox potential of gold and palladium ions is higher, the gold and palladium ions in the chlorination leaching solution are selectively reduced into elements by using a reducing agent which is low in price and moderate in reducibility, then the elements are separated through filtration to realize resource recycling.
A low-cost reducing agent for selective precipitation of noble metal ions, relating to the technical field of waste resource recycling. According to the present invention, noble metal (gold, platinum, and palladium) ions in a solution containing noble metal (gold, platinum, and palladium) are selectively reduced and precipitated by means of a simple, effective, and low-cost reducing agent, such that noble metal (gold, platinum and palladium) elementary substances are obtained. The basic principle of oxidation-reduction reaction is used, on the basis of the characteristic that the oxidation-reduction potential of noble metal (gold, platinum, and palladium) is higher than that of common metal, an organic reducing agent is used for selectively reducing the noble metal (gold, platinum, and palladium) ions in waste liquid into elementary substances, and then the elementary substances are separated out by means of filtration, such that recycling is achieved, the method is simple, and the process procedure for recycling noble metal (gold, platinum, and palladium) is shortened. The used reducing agent is convenient and easy to obtain and low in price, such that application costs are reduced, and large-scale production is easy to realize.
A low-cost and high-efficiency method for recovering precious metals from circuit board components, which method belongs to the technical field of waste resource recovery. The method mainly solves the problem of selective recovery of precious metals from a chlorination leachate, utilizes the basic principle of a oxidation-reduction reaction, and is carried out by using a mixed solution of sulfuric acid and hydrogen peroxide and a mixed solution of hydrochloric acid, sodium chloride and sodium chlorate; in addition, ammonia water and formaldehyde are further used to reduce silver. On the basis of the characteristic that the redox potential of gold and palladium ions is higher among general metals, gold and palladium ions in the chlorination leachate are selectively reduced into simple substances by using a reducing agent having a low price and a moderate reducibility, and then the simple substances are separated by means of filtration, thereby achieving resource recovery, such that not only is the technological process of precious metal recovery greatly shortened, but the method also has good economic benefits and is beneficial for industrialization due to a low price of the reducing agent. Moreover, a large amount of tail liquid is prevented from being generated to pollute the environment during the recovery process.
C22B 3/44 - Traitement ou purification de solutions, p.ex. de solutions obtenues par lixiviation par des procédés chimiques
C22B 3/26 - Traitement ou purification de solutions, p.ex. de solutions obtenues par lixiviation par extraction liquide-liquide utilisant des composés organiques
56.
PREPARATION OF DNA-TEMPLATED GOLD NANOCLUSTER PROBE HAVING PRECISE NUMBER OF ATOMS, AND APPLICATION THEREOF IN SINGLE-CELL ANALYSIS
Preparation of a DNA-templated gold nanocluster probe having a precise number of atoms, and an application thereof. The preparation comprises: (1) designing a specific DNA sequence having a hairpin structure; (2) mixing a DNA solution with a gold salt solution to form a mixed solution; and (3) adding a dimethylamine borane (DMAB) reducing agent in a certain condition to enable the mixed solution system to experience an oxidation-reduction reaction, so that high-valence gold ions in the gold salt are reduced to gold atoms or gold ions, and gold is bonded to cytosine in the hairpin structure designed in the DNA to form a DNA-templated gold nanocluster. The gold nanocluster has good fluorescence and a precise number of atoms, ribonucleic acid splice variants can be visualized in situ by means of the fluorescence property, and single-cell ribonucleic acid splice variants can be quantified on laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) by means of the precise number of atoms property.
C09K 11/58 - Substances luminescentes, p.ex. électroluminescentes, chimiluminescentes contenant des substances inorganiques luminescentes contenant du cuivre, de l'argent ou de l'or
G01N 27/626 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant les décharges électriques, p.ex. l'émission cathodique utilisant la chaleur pour ioniser un gaz
57.
POLYPEPTIDE-METAL CLUSTER PROBE FOR SPECIFICALLY RECOGNIZING CTC MEMBRANE PROTEIN, AND APPLICATION THEREOF IN QUANTITATIVELY MEASURING EXPRESSION QUANTITY OF MEMBRANE PROTEIN
Provided are a polypeptide-metal cluster probe for specifically recognizing a circulating tumor cell (CTC) membrane protein, and the application thereof in quantitative measurement, which belong to the technical field of medical testing. A polypeptide-modified metal cluster probe is prepared, and same contains a targeting peptide in which a metal cluster core is specifically bound to a target cell membrane protein. The prepared polypeptide-metal cluster probe targets a CTC expressed membrane protein, and rapid and accurate in-situ quantitative analysis is performed on a CTC target membrane protein in peripheral blood of a clinical tumor patient by using laser ablation inductively coupled plasma mass spectrometry technology, thereby providing important reference for tumor invasion and metastasis behaviors, grading and prognosis of the clinical tumor patient.
G01N 33/68 - Analyse chimique de matériau biologique, p.ex. de sang ou d'urine; Test par des méthodes faisant intervenir la formation de liaisons biospécifiques par ligands; Test immunologique faisant intervenir des protéines, peptides ou amino-acides
G01N 27/626 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant les décharges électriques, p.ex. l'émission cathodique utilisant la chaleur pour ioniser un gaz
58.
Electroactive Bio-Carrier Module and Sewage Treatment Device with Same
An electroactive bio-carrier module and a sewage treatment device using same are provided, which relate to the field of bioelectrochemistry and sewage treatment. The electroactive bio-carrier module is composed of an anode module and a cathode module made of a conductive material. The anode module is formed by connecting carbon fiber brushes in series and is of a vertically ring type structure; the cathode module is formed by connecting stainless steel meshes in series; the stainless steel meshes are in a folded horizontal stacked design; the anode and cathode modules are connected through an external lead wire to form a circuit. Surfaces of the anode and cathode modules can both enrich microorganisms, biofilms are formed on the surfaces. The electrode module is arranged in an up-flow type sewage treatment device and is used as an electroactive bio-carrier, to form a hybrid sewage treatment device with a built-in electroactive bio-carrier.
A hardware-in-the-loop simulation experiment platform for multiple-input multiple-output loop control for a MSWI process, for use in providing a reliable engineering verification environment for MSWI process control, and comprising a real equipment layer and a virtual object layer. The real equipment layer communicates with the virtual object layer by means of hard wiring and a data acquisition card. The interior of the real equipment layer communicates with the interior of the virtual object layer by means of Ethernet and in an OPC mode. The real equipment layer comprises monitoring equipment and control equipment. The virtual object layer comprises an MSWI execution mechanism model, an MSWI instrument device model, and an MSWI process object model which respectively run in different industrial personal computers.
The invention discloses an indoor adaptive ventilation system and method based on multi-vent ventilation modules, comprising at least one multi-vent ventilation module, the multi-vent ventilation modules comprise air reversing valves and ventilation ducts, the multi-vent ventilation ducts are connected with the air reversing valves, the air reversing valve comprises a box body, a box cover, a reversing mechanism, a supply air main duct, a return air main duct, a fixed supply air branch duct and multiple variable air direction branch ducts; a plurality of variable air direction branch ducts are evenly arranged in the circumferential direction of the box body. The invention can divide the indoor space into different sub-spaces, control pollutants in a smaller area, reduce the possibility of large-scale pollutant diffusion, and realize that the supply air outlets and the return air outlets can be switched mutually to adapt to different usage scenarios and needs.
F24F 7/08 - Ventilation avec réseau de gaines à circulation d'air forcée, p.ex. par un ventilateur avec conduits séparés pour l'air fourni et l'air expulsé
F24F 11/65 - Traitement électronique pour la sélection d'un mode de fonctionnement
F24F 13/06 - Bouches pour diriger ou distribuer l'air dans des pièces ou enceintes, p.ex. diffuseur d'air de plafond
61.
METHOD FOR REPRESENTING SOC OF LITHIUM-ION BATTERY BY USING ULTRASONIC REFLECTION COEFFICIENTS
A method for representing the SOC of a lithium-ion battery by using ultrasonic reflection coefficients. By means of ultrasonic water immersion detection, reflection coefficient angle spectra of a lithium-ion battery under different states of charge (SOCs) are obtained, the mapping relationship between an angle spectrum and the SOC of the lithium-ion battery is established, and the SOC of the lithium-ion battery is represented by using the distance between two peaks of the angle spectrum. Non-destructive representation of the SOC of the lithium-ion battery can be achieved; local SOC detection of the lithium-ion battery can be achieved.
An ultrasonic guided wave in-situ detection method for the state of charge (SOC) of a soft package lithium-ion battery. Two circular piezoelectric plates (2) are symmetrically adhered to the surface of a lithium-ion battery (3) at a certain distance by using a coupling agent, an arbitrary wave function generator (5) is controlled to generate a five-cycle sinusoidal signal modulated by a Hanning window, the circular piezoelectric plate (2) located on the left side of the surface of the battery (3) is excited, an ultrasonic guided wave is generated inside the battery and is received by the circular piezoelectric plate (2) located on the right side of the surface of the battery (3). The received guided wave signal is processed to extract a time-domain feature parameter (transit time) of a guided wave. The detection of the SOC of the soft package lithium-ion battery is implemented according to a correspondence between the guided wave feature parameter (transit time) and the SOC. The lithium-ion battery (3) is detected by using a group of circular piezoelectric plates (2) in a one-excitation and one-reception mode, thereby implementing in-situ detection of the SOC of the soft package lithium-ion battery (3) without recording external parameters such as current and voltage.
INSTITUTE OF PROCESS ENGINEERING, CHINESE ACADEMY OF SCIENCES (Chine)
Inventeur(s)
Wu, Yufeng
Tian, Shaonan
Liu, Gongqi
Li, Bin
Abrégé
Provided is a method for preparing hydrogen-rich fuel gas by overheating catalytic conversion of a waste organic-inorganic composite material, relating to an organic-inorganic composite material. The method mainly comprises the following steps: low-temperature vacuum cracking, superheated steam pyrolysis, fuel gas catalytic recombination, fuel gas purification, mechanical crushing-eddy current separation and the like. Compared with the prior art, due to the use of a low-temperature vacuum cracking and superheated steam pyrolysis combined technology, the gasification conversion rate of organic components is increased, and enrichment of cracked oil and cracked coke is avoided. Gas produced by pyrolysis is catalytically reformed, so that the content of combustible hydrogen in fuel gas is increased, and the obtained hydrogen-rich fuel gas has a higher utilization value. The method has the characteristics of strong raw material adaptability, high organic component conversion rate, obvious reduction, easy industrial popularization and application and the like.
C10L 3/00 - Combustibles gazeux; Gaz naturel; Gaz naturel de synthèse obtenu par des procédés non prévus dans les sous-classes , ; Gaz de pétrole liquéfié
Dictionary learning method and means for zero-shot recognition can establish the alignment between visual space and semantic space at category layer and image level, so as to realize high-precision zero-shot image recognition. The dictionary learning method includes the following steps: (1) training a cross domain dictionary of a category layer based on a cross domain dictionary learning method; (2) generating semantic attributes of an image based on the cross domain dictionary of the category layer learned in step (1); (3) training a cross domain dictionary of the image layer based on the image semantic attributes generated in step (2); (4) completing a recognition task of invisible category images based on the cross domain dictionary of the image layer learned in step (3).
Provided in the present disclosure are an emotional state display method, apparatus and system. The method comprises: acquiring a facial image of a testee on the basis of an emotional stimulation signal; inputting the facial image into a first network model, so as to obtain an emotional index; performing feature extraction on the facial image, so as to obtain an expression feature image; according to the emotional index, enhancing a region of interest in the expression feature image, so as to obtain a target feature image; and superimposing the target feature image on the facial image, so as to obtain an expression mode image for displaying an emotional state. By means of the method, an emotional index is obtained by means of a first network model, so that the risk of abnormality of the emotional state of a testee can be preliminarily confirmed; image information related to the emotional state can be further acquired by means of performing feature extraction and partial enhancement on a facial image; and the emotional state of the testee can be visually displayed by means of an expression mode image that is obtained by superimposing a target feature image on the facial image.
G06K 9/00 - Méthodes ou dispositions pour la lecture ou la reconnaissance de caractères imprimés ou écrits ou pour la reconnaissance de formes, p.ex. d'empreintes digitales
A61B 5/16 - Dispositifs pour la psychotechnie; Test des temps de réaction
66.
EMOTIONAL STATE DISPLAYING METHOD, APPARATUS AND SYSTEM BASED ON RESTING-STATE CEREBRAL FUNCTIONAL IMAGE
Provided in the present disclosure are an emotional state displaying method, apparatus and system based on a resting-state cerebral functional image. The method comprises: acquiring a resting-state cerebral functional image of a subject; inputting the resting-state cerebral functional image into a first network model, so as to obtain an emotional index; performing feature extraction on the resting-state cerebral functional image, so as to obtain an initial feature image; enhancing a region of interest in the initial feature image according to the emotional index, so as to obtain a target feature image; and superimposing the target feature image on the resting-state cerebral functional image, so as to obtain a cerebral mode image for displaying an emotional state. According to the method, an abnormal risk of an emotional state of a subject can be preliminarily confirmed by means of an emotional index obtained by a first network model; image information related to the emotional state can be further acquired by means of performing feature extraction and partial enhancement on a resting-state cerebral functional image; and the emotional state of the subject can be intuitively displayed by means of a cerebral mode image obtained by superimposing a target feature image on the resting-state cerebral functional image.
The present disclosure provides a method, an apparatus, and a system for calculating emotional indicators based on pupil waves. The method comprises: acquiring a pupil wave of a subject in a calm state as a calm pupil wave; obtaining multiple emotions corresponding to emotional indicators; respectively acquiring pupil waves of the subject in each of the emotions as emotional pupil waves; calculating indicator values of the emotional indicators according to the calm pupil wave and the emotional pupil waves, the pupil waves being curves of change of the pupil diameter or pupil area with time. According to the method, the dynamic change of pupils of the subject can be obtained by acquiring the pupil waves of the subject. Compared with existing self-assessment scales and taking pictures to obtain state pictures of subjects, the present disclosure can reduce the influence of subjective factors by calculating the emotional indicators according to the dynamic change of the pupils, thereby obtaining more accurate indicator values of the emotional indicators.
A61B 5/16 - Dispositifs pour la psychotechnie; Test des temps de réaction
A61B 3/10 - Appareils pour l'examen optique des yeux; Appareils pour l'examen clinique des yeux du type à mesure objective, c. à d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient
68.
Apparatus and method for advanced nitrogen and phosphorus removal of domestic sewage based on DEAMOX in AOAO process with sludge double-reflux
A method for advanced nitrogen and phosphorus removal of domestic sewage based on DEAMOX in AOAO process with sludge double-reflux is disclosed. The method comprises allowing domestic sewage and returned sludge of the secondary sedimentation tank (3) to enter the anaerobic zone (2.1) of the AOAO reactor (2), firstly performing partial denitrification by the denitrifying bacteria, reducing nitrate-nitrogen in the returned sludge to nitrite-nitrogen, then converting ammonia-nitrogen and nitrite-nitrogen into nitrogen by anammox bacteria, and phosphate accumulating bacteria and denitrifying phosphate accumulating organisms performing anaerobic phosphate release and storing internal carbon source; then allowing part of the mixed liquid to enter the intermediate aerobic zone (2.2) of the AOAO bioreactor (2) to carry out phosphate uptake and nitrification reaction, allowing another part of the mixed liquid to enter the anoxic zone (2.3) of the AOAO bioreactor (2), at same time allowing all the mixed liquid of the intermediate aerobic zone (2.2) and part of returned sludge of the secondary sedimentation tank (3) to enter the anoxic zone (2.3), using the internal carbon source stored in the anaerobic compartment and the internal carbon source in the returned sludge to carry out partial denitrification, anammox, denitrifying dephosphatation, and then allowing the mixed liquid to enter the post aerobic zone (2.4) and subsequently enter the secondary sedimentation tank (3) for mud-water separation. An apparatus for advanced nitrogen and phosphorus removal of domestic sewage based on DEAMOX in AOAO process with sludge double-reflux is also disclosed.
An intelligent cargo box loading method and system based on an RGBD camera (7). The method comprises: for cargo boxes which are placed in a scattered manner, first acquiring, by means of an RGBD camera (7), RGB images and depth images of cargo boxes in an area to be subjected to loading (10) and a target area (12), and performing camera calibration; converting the depth images into point clouds according to obtained intrinsic and extrinsic parameters of the camera, and performing data enhancement on the RGB images and the point clouds; inputting the enhanced RGB images and point clouds into an improved 3D target detection network, so as to detect the position and size of each cargo box; inputting, into a loading policy generation network based on reinforcement learning, the obtained sizes and positions of cargo boxes to be loaded, and the loaded cargo boxes in the target area (12), taking the utilization rate of a loading space and a stability factor into comprehensive consideration, generating loading sequences and loading positions of all the cargo boxes to be loaded, and forming a final loading policy; and calculating a deflection displacement and a rotation angle of a mechanical arm according to the loading policy, and controlling the mechanical arm to load the cargo boxes.
A device and method for treating urban domestic sewage based on a two-stage combined process of partial denitrification-anammox belong to the field of biological sewage treatment. The device includes a raw water tank, a sequencing batch biofilm reactor (SBBR), an intermediate water tank, an up-flow anaerobic sludge bed (UASB) and a water outlet tank. A part of urban domestic sewage enters the SBBR and is mixed with residual sewage in the last cycle, a partial denitrification-anammox reaction is carried out under a stirring condition to remove nitrate nitrogen and a part of ammonia nitrogen, followed by a nitrification under an aeration condition to completely convert ammonia nitrogen into nitrate nitrogen, and effluent enters the intermediate water tank; and the other part of the urban domestic sewage is mixed with the effluent of the SBBR and continuously enters the UASB, and nitrite nitrogen, which is generated by nitrate nitrogen reduction, and ammonia nitrogen, are removed by means of anammox. According to the present invention, with no need of adding an external carbon source, organic matters in sewage can be effectively removed, the nitrogen removal efficiency of urban domestic sewage is improved, and efficient and low-consumption nitrogen removal is realized.
The present invention belongs to the field of wastewater biological treatment, and disclosed are a device and method for treating urban domestic wastewater based on a short-range denitrification-anammox two-stage combined process. The device comprises a raw water tank, a sequencing batch biofilm reactor (SBBR), an intermediate water tank, an upflow anaerobic sludge blanket (UASB), and an outlet water tank. A portion of urban domestic wastewater enters the SBBR and is mixed with the remaining wastewater from a previous cycle. A short-range denitrification-anammox reaction is carried out under stirring conditions to remove nitrate nitrogen and some ammonia nitrogen. Then, full nitrification is carried out under aeration conditions to convert all ammonia nitrogen into nitrate nitrogen, and effluent water enters the intermediate water tank. The other portion of urban domestic wastewater is mixed with the effluent water of the SBBR and continuously enters the UASB, and nitrite nitrogen and ammonia nitrogen produced by the reduction of nitrate nitrogen are removed by means of anaerobic ammonium oxidation. According to the present invention, organic matter in wastewater may be effectively removed without adding external carbon sources, which improves the denitrification efficiency of urban domestic wastewater, and achieves high-efficiency and low-consumption denitrification.
The invention discloses a method for synergistically preparing ferrosilicon alloy and glass-ceramics from photovoltaic waste slag and non-ferrous metal smelting iron slag, and belongs to the technical field of collaborative resource utilization of various smelting slag areas. According to the method, the zinc rotary kiln slag and a reduction tempering agent are subjected to batching, mixing and high-temperature melting to form a reduction-state iron-containing material. The iron-containing material and the silicon slag are further subjected to mixed melting, water quenching and sorting to obtain the ferrosilicon alloy and residual waste slag. The residual waste slag is subjected to tempering, melting, molding, annealing and heat treatment to obtain the glass ceramics. According to the method, the ferrosilicon alloy and the glass ceramics are prepared from the silicon slag and the zinc rotary kiln slag, and a collaborative resource utilization target of the regional smelting slag is achieved. The ferrosilicon alloy is obtained through high-temperature reduction of the zinc rotary kiln slag and chemical combination of the zinc rotary kiln slag and the silicon-rich silicon slag. Because the high-temperature decomposition of silica is not involved, the process greatly reduces the energy consumption, saves the cost and is suitable for industrial popularization and application.
C22C 1/02 - Fabrication des alliages non ferreux par fusion
C03C 10/00 - Verre dévitrifié ou vitrocéramiques, c. à d. verre ou céramiques ayant une phase cristalline dispersée dans la phase vitreuse et constituant au moins 50% en poids de la composition
A cylindrical vector fiber optic isolator and an optical device. The cylindrical vector fiber optic isolator comprises a first polarization beam splitter (3), a second polarization beam splitter (12), a first optical component (6), and a second optical component (9). The second polarization beam splitter (12) is spaced apart from the first polarization beam splitter (3), and the second polarization beam splitter (12) and the first polarization beam splitter (3) are symmetrical about a set axis. The first optical component (6) is disposed between the first polarization beam splitter (3) and the second polarization beam splitter (12), and the first optical component (6) is adapted to clockwise rotate, by a first angle, the polarization direction of incident light that passes through the first optical component (6). The second optical component (9) is adapted to counterclockwise rotate, by a second angle, the polarization direction of incident light that forwards passes through the second optical component (9), and clockwise rotate, by a third angle, the polarization direction of incident light that reversely passes through the second optical component (9). The cylindrical vector fiber optic isolator is applicable to both spatially uniform polarized beams and spatially non-uniform polarized beams, and has the advantages of simple structure and high reliability.
G02B 6/27 - Moyens de couplage optique avec des moyens de sélection et de réglage de la polarisation
G02F 1/09 - Dispositifs ou dispositions pour la commande de l'intensité, de la couleur, de la phase, de la polarisation ou de la direction de la lumière arrivant d'une source lumineuse indépendante, p.ex. commutation, ouverture de porte ou modulation; Optique non linéaire pour la commande de l'intensité, de la phase, de la polarisation ou de la couleur basés sur des éléments magnéto-optiques, p.ex. produisant un effet Faraday
74.
APPARATUS AND METHOD FOR SYNCHRONOUSLY TREATING SEWAGE AND SLUDGE THROUGH COMBINATION OF STEP-FEED PARTIAL NITRIFICATION AND ANAEROBIC AMMONIA OXIDATION
Disclosed is an apparatus and method for synchronously treating sewage and sludge through a step-feed partial nitrification coupling anaerobic ammonia oxidation process, belonging to the biological treatment field. Ammonia rich landfill leachate is firstly pumped into an aerobic reactor to realize partial nitrification process; exogenous surplus sludge coupling with partial nitrification reactor effluent are input to an anoxic reactor together for achieving integrated fermentation and denitrification process; finally, effluent from the anoxic reactor is pumped into an integrated autotrophic nitrogen removal reactor by a step-feed mode, the integrated reactor contains two main running units of aeration and anoxic stirring, ammonia is oxidized into nitrite in aeration stage, and the generated nitrite and ammonia contained in secondary influent are further removed through anammox process which operates stably and reliably, realizes efficient nitrogen removal from landfill leachate without external carbon source addition, and realizes the purpose of exogenous excess sludge reduction simultaneously.
An episodic memory model construction method based on a mouse brain visual pathway and an entorhinal-hippocampus cognitive mechanism. The method comprises: collecting image information of an environment and the angle and speed of a robot, inputting the angle and the speed into an entorhinal-hippocampus CA3 neural calculation model to obtain accurate position and direction information of the robot; inputting visual information into a visual pathway calculation model to obtain contextual information within the field of view of the current robot; fusing the two paths of information and storing the two paths of information into a memory cell model having a topological structure relationship; and correcting a path integral error in a robot exploration process by using the contextual information, so as to construct a contextual cognitive map expressed by the environment.
G05B 13/04 - Systèmes de commande adaptatifs, c. à d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques impliquant l'usage de modèles ou de simulateurs
76.
Method of pyrolysis for waste light-emitting electronic components and recovery for rare-earth element
The invention disclosed a method for recycling rare earth elements from waste light-emitting electronic components by pyrolysis and alkaline melting-acid leaching. Based on the pyrolysis properties of the organic polymer, through catalytic pyrolysis of the organic polymer material in electronic components and convert the carbon in the residue into water gas, realize high-efficient dismantling of waste electronic component packaging materials. The traditional problems that the compositions of waste light-emitting electronic components are difficult to disassemble are solved, the generated pyrolysis gas and water gas can continuously supply energy for the pyrolysis system and recover the heat in the flue gas to save energy. Meanwhile, based on the chemical dissolution reaction mechanism of phosphors, the combination process of alkali melting, and acid leaching is used to efficiently recover rare earth elements from the waste light-emitting electronic components, and the step leaching of rare earth elements is realized. The rare earth oxalate can be recovered by precipitation, which greatly reduces the difficulty of late separation and purification.
B09B 3/40 - Destruction de déchets solides ou transformation de déchets solides en quelque chose d'utile ou d'inoffensif impliquant un traitement thermique, p.ex. évaporation
C10B 53/00 - Distillation destructive spécialement conçue pour des matières premières solides particulières ou sous forme spéciale
C10B 57/00 - Autres procédés de carbonisation ou de cokéfaction; Caractéristiques générales des procédés de distillation destructive
B09B 3/80 - Destruction de déchets solides ou transformation de déchets solides en quelque chose d'utile ou d'inoffensif impliquant une étape d'extraction
B09B 3/70 - Traitement chimique, p.ex. ajustement du pH ou oxydation
B03C 1/23 - Séparation magnétique agissant directement sur la substance à séparer le matériau étant déplacé sous l'effet de champs mobiles, p.ex. générés par des bobines magnétiques stationnaires; Séparateurs à champ de Foucault, p.ex. à rampe glissante
C22B 59/00 - Obtention des métaux des terres rares
C22B 7/00 - Mise en œuvre de matériaux autres que des minerais, p.ex. des rognures, pour produire des métaux non ferreux ou leurs composés
C10G 1/10 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p.ex. bois, charbon à partir de caoutchouc ou de déchets de caoutchouc
77.
METHOD FOR USING ELECTROCHEMICAL PROCESS TO ASSIST IN PROCESSING OF SLUDGE
A method for using electrochemical process to assist in the processing of sludge, belonging to the technical field of sludge processing. The method comprises: adding the sludge to be treated into an anode chamber (4) of an electrochemical system to perform an acid treatment, then adding same into a cathode chamber (7) of the electrochemical system to perform an alkali treatment. In the sludge after the alkali treatment and the acid treatment, sludge granules may be cracked. The problem of the need for additional acid/alkali chemicals in an existing acid/alkali treatment process for sludge is solved. The coupling of sludge processing and an electrochemical system is achieved, and acid and alkali environments generated by the cathode and anode chambers that are separated by a membrane are utilized to perform the acid and alkali treatments on the sludge, so as to change the nature and form of a sludge floc. Since the sludge contains nitrogen and phosphorus nutrients and organics, the release of the organics, nitrogen and phosphorus in the sludge is achieved. The method may be widely used in sludge treatment processes, and satisfies the treatment of sludge to make same harmless, reduce same and recycle same.
A construction steel platform system using a tuned liquid damper (TLD) and a tuned mass damper (TMD) for composite tuned damping is provided. According to the construction steel platform system using a TLD and a TMD for composite tuned damping, a composite damper is composed of the TLD and the TMD overlapping each other, and a construction steel platform is placed above the double dampers. By adjusting a hole diameter of a partition plate in the TLD, a liquid level in a water tank, a stiffness of a spring at an edge of a friction support and mass of materials of a top of the steel platform, the whole steel platform system can achieve composite tuned damping. The TLD and the TMD can be flexibly combined in series or in parallel according to requirements of actual wind and earthquake loads.
E04H 9/02 - Bâtiments, groupes de bâtiments ou abris conçus pour résister à des situations extérieures anormales, p.ex. à des bombardements, à des séismes ou à des climats extrêmes, ou pour se protéger de ces situations résistant aux séismes ou à l'effondrement du sol
79.
BOTTOM CORNER DAMPER WITH DISPLACEMENT AMPLIFICATION FUNCTION AND FABRICATED TYPE SHEAR WALL WITH ROCKING ENERGY DISSIPATION
A bottom corner damper with a displacement amplification function and a fabricated type shear wall with rocking energy dissipation are provided. The fabricated type shear wall with rocking energy dissipation is composed of a precast shear wall, upper connecting plates, middle connecting plates, lower connecting plates, bent steel plates, bolts, upper support arms, lower support arms, connectors, lead screws, cylinder barrels, viscous fluids, and propellers. A fabricated type shear wall structure, where novel dampers with displacement amplification and steering functions are installed at weak parts of the bottom of the shear wall, the novel dampers are composed of bending energy dissipation dampers, displacement amplification and steering devices and viscous energy dissipation dampers, and the novel dampers have the functions of amplifying the displacement and converting force in a vertical direction of the structure into force in a horizontal direction for transmission.
E04H 9/02 - Bâtiments, groupes de bâtiments ou abris conçus pour résister à des situations extérieures anormales, p.ex. à des bombardements, à des séismes ou à des climats extrêmes, ou pour se protéger de ces situations résistant aux séismes ou à l'effondrement du sol
80.
HIGH-STRENGTH ALUMINUM ALLOY POWDER FOR 3D PRINTING AND PREPARATION METHOD FOR HIGH-STRENGTH ALUMINUM ALLOY POWDER
A high-strength aluminum alloy powder for 3D printing and a preparation method for the high-strength aluminum alloy powder, relating to the technical field of special materials for additive manufacturing (also known as 3D printing). The compositions of the alloy are calculated according to a mass percentage: 3.0%-8.0% of Mg, 0.1%-1.2% of Er, 0.5%-2.0% of Zr, 0.3%-1.0% of Mn, 0.01%-2.0% of Si, the total content of the other unlisted metal elements except Al not exceeding 0.5wt%, the balance of Al. The high-strength aluminum alloy powder can effectively inhibit cracks of an AlMg alloy in the 3D printing process and has the remarkable fine grain and precipitation strengthening effect, the yield strength exceeds 400 MPa after heat treatment, the tensile strength exceeds 500 MPa, and the elongation percentage exceeds 10%. The aluminum alloy powder effectively solves the problems that the AlMg alloy is low in strength and poor in formability.
C22C 21/08 - Alliages à base d'aluminium avec le magnésium comme second constituant majeur avec du silicium
B22F 9/08 - Fabrication des poudres métalliques ou de leurs suspensions; Appareils ou dispositifs spécialement adaptés à cet effet par des procédés physiques à partir d'un matériau liquide par coulée, p.ex. à travers de petits orifices ou dans l'eau, par atomisation ou pulvérisation
B22F 10/28 - Fusion sur lit de poudre, p.ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
81.
Method utilizing cold welding to prepare grain boundaries having different included angles
A method utilizing cold welding to prepare grain boundaries having different included angles includes using a device including a support member. Two bent members are arranged opposite to each other in the support member. One ends of the two bent members are both fixedly connected to the support member, one end, away from the support member, of any bent member is fixedly connected to a first sample, one end, away from the support member, of the other bent member is fixedly connected to a second sample, and the first sample and the second sample are arranged corresponding to each other. The bent member includes a first metal sheet and a second metal sheet having different thermal expansion coefficients. An angle between the first sample and the second sample during butt welding can be controlled by changing an included angle of a bimetallic sheet.
B23K 20/00 - Soudage non électrique par percussion ou par une autre forme de pression, avec ou sans chauffage, p.ex. revêtement ou placage
B23K 31/12 - Procédés relevant de la présente sous-classe, spécialement adaptés à des objets ou des buts particuliers, mais non couverts par un seul des groupes principaux relatifs à la recherche des propriétés, p.ex. de soudabilité, des matériaux
G01N 1/28 - Préparation d'échantillons pour l'analyse
G01N 3/08 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique par application d'efforts permanents de traction ou de compression
82.
LASER RAPID PREPARATION METHOD FOR FLEXIBLE GALLIUM NITRIDE PHOTODETECTOR
A laser rapid preparation method for a flexible gallium nitride photodetector, comprising the following steps: 1) attaching a flexible substrate (5) to a gallium nitride epitaxial wafer; 2) adjusting the position of the focal plane of a light beam, and ensuring that the light beam is incident from the substrate side of the gallium nitride epitaxial wafer; 3) making the light beam scan and irradiate from the edge of a sample structure obtained in step 1); 4) adjusting process parameters to scan and irradiate in the opposite direction along a path of step 3); 5) removing an original rigid transparent substrate (1) of the epitaxial wafer to obtain the structure of Ga metal nanoparticles (3)/gallium nitride thin film/flexible substrate (5); and 6) preparing interdigitated electrodes (4) on the surface of the Ga metal nanoparticles (3) obtained in step 5). A flexible gallium nitride photodetector having an in-situ distributed detection surface of the Ga metal nanoparticles (3) is prepared in one step by using laser technology, and the process is simplified, while the surface of the detector is induced to form a plasmon effect SPR, which greatly enhances the light absorption and light response performance, and is suitable for industrial production.
B23K 26/0622 - Mise en forme du faisceau laser, p.ex. à l’aide de masques ou de foyers multiples par commande directe du faisceau laser par impulsions de mise en forme
B23K 26/082 - Systèmes de balayage, c. à d. des dispositifs comportant un mouvement relatif entre le faisceau laser et la tête du laser
The invention discloses a method for cracking slag and smelting soot of the waste circuit board, belongs to the field of comprehensive recycling of valuable elements from typical soot of waste circuit boards, and particularly relates to a method for cracking slag and smelting soot of the waste circuit board for debromination and comprehensive recovery of copper and zinc. The method includes the following steps of: crushing and sorting, mixture roasting, reinforced leaching, replacement and silver precipitation, sulfuration and copper precipitation, and evaporation crystallization. Compared to traditional recycling technology, the purpose of treating two kinds of solid waste in a coupling mode through one recycling technology is achieved. Through mixed sulfuric acid roasting, the requirement of bromide synergistic removal of the waste circuit board cracking slag and smelting soot is met, and the purpose of selective conversion of copper and zinc is achieved.
The invention provides a laser rapid fabrication method for flexible gallium nitride (GaN) photodetector which comprises the following steps: (1) bonding a flexible substrate to a GaN epitaxial wafer; (2) adjusting the focal plane position of a light beam, and ensuring that the light beam is incident from the side of a GaN epitaxial wafer substrate; (3) enabling the light beam to perform scanning irradiation from the edge of a sample structure obtained in the step (1); (4) adjusting the process parameters, and scanning irradiation in the reverse direction along the path in the step (3); (5) remove the original rigid transparent substrate of the epitaxial wafer to obtain a Ga metal nanoparticle/GaN film/flexible substrate structure; and (6) preparing interdigital electrodes on the surfaces of the Ga metal nanoparticles obtained in the step (5). The flexible GaN photodetector with Ga metal nanoparticle in-situ distribution detection surface is prepared in one step through laser technology, the process is simplified, meanwhile, the surface of the detector is induced to form the surface plasmon resonance effect, the light absorption and light response performance is greatly enhanced, and the flexible gallium nitride photodetector is suitable for industrial production.
A regulating cementitious material for promoting hydration of Portland cement is provided. The regulating cementitious material may include ingredients by weight as follows: ye'elimite, 27˜68 parts; anhydrite, 29˜68 parts; lithium nitrite, 2˜5 parts; ethylene glycol monoisopropanolamine, 0.14˜0.29 parts; triethanolamine acetate, 0.04˜0.09 parts; and polyglycerol, 0.04˜0.09 parts. An early strength of Portland cement can be improved through a cooperative hydration between minerals and an enhanced solubilization of a complexing agent.
C04B 40/00 - Procédés, en général, pour influencer ou modifier les propriétés des compositions pour mortiers, béton ou pierre artificielle, p.ex. leur aptitude à prendre ou à durcir
C04B 28/14 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p.ex. contenant des ciments de polycarboxylates contenant des ciments de sulfate de calcium
C04B 103/00 - Fonctions ou propriétés de l'ingrédient actif
Disclosed in the present invention is a method for preparing lead slag glass-ceramic by oxidizing and conditioning silicon-rich silicon slag, belonging to the technical field of resource utilization of smelting slag rich in elemental silicon. In the present invention, silicon slag rich in elemental silicon is mixed with an oxidizing agent, a fluxing agent and a clarifying agent according to a formula ratio, and a conditioned raw material having uniform dimensions is obtained after ball milling and screening; the conditioned raw material is oxidized and melted at a high temperature to form an oxidized molten conditioned material. The molten conditioned material is further mixed with hot lead slag and then quenched with water to obtain a base glass, and the obtained base glass is subjected to heat treatment to form a glass-ceramic. In the present invention, smelting slag rich in elemental silicon is oxidized and conditioned, and mixed with the hot lead slag to prepare a base glass, and a glass-ceramic is obtained by adjusting a heat treatment process for the base glass. The present invention has the advantages of simple technological processes, high production efficiency and low costs, achieves the goal of high-value conversion of silicon-rich silicon slag and lead slag, and is easy to popularize and apply in industrialization.
A multi-time scale model predictive control method for wastewater treatment process is designed to control the dissolved oxygen concentration and nitrate nitrogen concentration in different time scales to ensure that the effluent quality meets the standard. In view of the difference of time scales in wastewater treatment process caused by different sampling periods of dissolved oxygen concentration and nitrate nitrogen concentration, prediction models with different time scales are firstly designed to unify the prediction outputs to the fast time scale. Then, the gradient descent algorithm is used to solve the optimal solution with fast time scale to control the wastewater treatment system. It not only conforms to the operation characteristics of wastewater treatment process, but also solves the problem of poor operation performance of multiobjective model predictive control caused by different time scales. The experimental results show that the multi-time scale model predictive control method can achieve accurate on-line control of dissolved oxygen concentration and nitrate nitrogen concentration with fast time scales.
G06N 3/063 - Réalisation physique, c. à d. mise en œuvre matérielle de réseaux neuronaux, de neurones ou de parties de neurone utilisant des moyens électroniques
A method for cooperatively preparing ferrosilicon and glass ceramics from photovoltaic waste residues and non-ferrous metal smelting iron slag, relating to the technical field of cooperative resource utilization of multiple smelting regions. In the present invention, zinc rotary kiln slag and a reduction tempering agent are subjected to batching, mixing, and high-temperature melting to form a reduction-state iron-containing material. The iron-containing material and silicon slag are further subjected to mixed melting, water quenching, and sorting, and then the ferrosilicon and remaining waste residues are obtained. The remaining waste residues are subjected to tempering, melting, molding, annealing and heat treatment to obtain the glass ceramics. According to the present invention, the ferrosilicon and the glass ceramics are prepared from the silicon slag and the zinc rotary kiln slag, and the objective of cooperative resource utilization of regional smelting slag is achieved. The ferrosilicon is obtained by means of high-temperature reduction of the zinc rotary kiln slag and chemical combination of the zinc rotary kiln slag and silicon-rich silicon slag. Because the high-temperature decomposition of silica is not involved, the process greatly reduces the energy consumption, saves costs, and is suitable for industrial popularization and application.
C22C 1/02 - Fabrication des alliages non ferreux par fusion
C03C 10/00 - Verre dévitrifié ou vitrocéramiques, c. à d. verre ou céramiques ayant une phase cristalline dispersée dans la phase vitreuse et constituant au moins 50% en poids de la composition
C03C 6/10 - Charges de mélanges vitrifiables contenant des scories
89.
FREQUENCY DOMAIN FEEDFORWARD COMPENSATION METHOD FOR SEISMIC SIMULATION SHAKING TABLE BASED ON POWER EXPONENTIAL METHOD
A frequency domain feedforward compensation method based on a power exponential method for a seismic simulation shaking table is provided. According to the method, a frequency domain amplitude transfer function of a system is identified, the frequency domain amplitude transfer function is modified by adjusting the power and limiting an amplitude, then an inverse frequency domain amplitude transfer function is obtained, an amplitude and a phase of a driving acceleration signal are computed, finally a time domain driving acceleration signal is obtained by using the Euler's formula for computation in a complex domain and conducting inverse Fourier transform, the shaking table is driven again to collect an acceleration signal output by a table top, whether the acceleration signal meets a shaking table test waveform use requirement is determined, a test is finished under the condition that the acceleration signal meets the shaking table test waveform use requirement.
An optimal control method for wastewater treatment process (WWTP) based on a self-adjusting multi-task particle swarm optimization (SA-MTPSO) algorithm belongs to the field of WWTP. To balance the relationship between the effluent water quality (EQ) and energy consumption (EC) and achieve optimization online quickly, the invention establishes a data-based multi-task optimization model for WWTP to describe the relationship between the control variables and EQ, EC. Then, the SA-MTPSO algorithm is adopted to solve the optimal set-points of the nitrate nitrogen and dissolved oxygen concentration for WWTP. The PID controller is used to track the optimal set-points, so as to reduce EC while ensuring EQ, and realize the online optimal control of WWTP.
G06N 3/00 - Agencements informatiques fondés sur des modèles biologiques
G05B 19/05 - Automates à logique programmables, p.ex. simulant les interconnexions logiques de signaux d'après des diagrammes en échelle ou des organigrammes
91.
HIGH-PERFORMANCE-ORIENTED INTELLIGENT CACHE REPLACEMENT POLICY ADAPTIVE TO PREFETCHING
A high-performance-oriented intelligent cache replacement policy adaptive to prefetching. In the presence of a hardware prefetcher, prefetch and demand requests are distinguished, a prefetching predictor based on an integer support vector machine (ISVM) is used to perform re-reference interval prediction on a cache line of prefetching access loading, and a demand predictor based on an ISVM is used to perform re-reference interval prediction on a cache line of demand access loading. A PC address of a current access load instruction and a PC address of a past load instruction in an access historical record are input, different ISVM predictors are designed for the prefetch and demand requests, re-reference prediction is performed on a loaded cache line by taking a request type as the granularity, the accuracy of cache line re-reference prediction during prefetching is improved, and the performance improvement caused by hardware prefetching and cache replacement is better fused.
G06F 12/127 - Commande de remplacement utilisant des algorithmes de remplacement avec maniement spécial des données, p.ex. priorité des données ou des instructions, erreurs de maniement ou repérage utilisant des algorithmes de remplacement supplémentaires
G06N 20/10 - Apprentissage automatique utilisant des méthodes à noyaux, p.ex. séparateurs à vaste marge [SVM]
G06F 12/0862 - Adressage d’un niveau de mémoire dans lequel l’accès aux données ou aux blocs de données désirés nécessite des moyens d’adressage associatif, p.ex. mémoires cache avec pré-lecture
G06F 12/0811 - Systèmes de mémoire cache multi-utilisateurs, multiprocesseurs ou multitraitement avec hiérarchies de mémoires cache multi-niveaux
92.
METHOD AND APPARATUS FOR TREATING MID-TERM AND LATE LANDFILL LEACHATES BY PROCESS COMBINING ENDOGENOUS DENITRIFICATION AND AUTOTROPHIC NITROGEN REMOVAL
A method for treating mid-term and late landfill leachates by a process combining endogenous denitrification and autotrophic nitrogen removal. The mid-term and late landfill leachates first enters a short-path nitrification/endogenous denitrification integrated reactor (2) to operate in an anaerobic/aerobic manner, wherein in an anaerobic stage, microorganisms absorb external carbon sources and store same as intracellular carbon sources, and in an aerobic stage, short-range nitrification occurs, and all ammonia nitrogen in the influent is oxidized into nitrite nitrogen; after the reaction, the effluent containing nitrite nitrogen and the mid-term and late landfill leachates are mixed and then delivered into an anammox reactor (4) for anammox reaction, the effluent is re-pumped into the short-path nitrification/endogenous denitrification integrated reactor (2) to operate in an anoxic manner, and the oxidized nitrogen is removed by means of endogenous denitrification. The present application also comprises an apparatus for treating mid-term and late landfill leachates by a process combining endogenous denitrification and autotrophic nitrogen removal.
The present invention relates to the field of soil process analysis, and particularly relates to a microcosm cultivation apparatus and the application thereof in the quantitative analysis of soil carbon diffusion and microbial utilization processes. The microcosm cultivation apparatus comprises a closed container, and an incubator and a dialysis tube, which are located in the closed container, wherein the incubator comprises a soil layer; the dialysis tube is connected to the incubator, and part of the tube body penetrates a side wall of the incubator in a lengthwise direction and extends into the soil layer; the dialysis tube is filled with a carbon source; and the dialysis tube enables the carbon source to be diffused to the soil layer and always maintain the consistency of internal and external water potentials of the dialysis tube. In the present invention, a quantitative analysis method for soil carbon diffusion and microbial utilization processes is provided on the basis of the microcosm cultivation apparatus. By means of the method, the relationship between the efficiency of microorganisms utilizing an exogenous carbon source and a space can be explored, and quantitative analysis is further performed on the influence of a carbon diffusion distance on the efficiency of the microorganisms utilizing exogenous carbon.
A method for producing and purifying sodium bromide using the coke from waste circuit boards pyrolysis residues as reducing agent, belonging to the field of purifying sodium bromide and high-value utilization, and more particularly, relating to a method for reducing and purifying crude bromine salt obtained from waste circuit boards smelting ash by using the coke in waste circuit boards pyrolysis residues. The main steps are as follows: carbonization conversion, water dissolution, filtration, and concentrated crystallization under vacuum heating. The pure sodium bromide was obtained by reducing crude bromine salt enriched from waste circuit board smelting ash by using the coke in waste circuit boards pyrolysis residues, realizing the resource coupling and high-value utilization of the two wastes, avoiding the secondary pollution in the process of recycling the waste circuit boards. It has the characteristics of simple operation, high resource utilization rate and no tail liquid discharge.
A method for preparing sodium-based bentonite loaded zero-valent iron. First, natural bentonite is fully sodiumized at a pH value of 3, and then sodium-based bentonite and an iron salt are evenly mixed according to a specific ratio and placed in a three-necked flask; the pH value is adjusted to 11 by using a sodium hydroxide lye, an excessive amount of sodium borohydride solution is added dropwise to the three-necked flask, stirring is continued, and nitrogen is continuously aerated during the reaction so as to ensure that the inside of the flask is in an oxygen-free state; after finishing dropwise adding the sodium borohydride, stirring is continued such that same is fully reacted with the iron salt, and the product is loaded on the bentonite; and centrifugal separation is performed and the supernatant is removed, the remaining solid is washed three times by using pure water and absolute ethanol, and then freeze-drying is carried out to obtain zero-valent iron sodium-based bentonite. Further disclosed is an application of sodium-based bentonite loaded zero-valent iron. The rates of removing lead and pentachlorophenol from compound polluted groundwater by a sodium-based bentonite loaded zero-valent iron material can reach 98.0% and 96.1%, providing a realistic and feasible method for solving the problem of compound pollution of groundwater.
Provided is a preparation method for a modified multi-walled carbon nanotube, the method comprising: subjecting a multi-walled carbon nanotube and a humic acid solution to ultrasonic treatment to obtain a modified multi-walled carbon nanotube dispersion; and removing the solvent from the modified multi-walled carbon nanotube dispersion to obtain the modified multi-walled carbon nanotube. Furthermore, the modified multi-walled carbon nanotube dispersion is subjected to solid-liquid separation by using a microfiltration porous membrane to obtain a modified multi-walled carbon nanotube low-pressure membrane. The preparation method does not cause any damage to the structure and properties of the multi-walled carbon nanotube; and in addition, the ecological risk of a multi-walled carbon nanotube entering a water environment is avoided. The modified multi-walled carbon nanotube and the low-pressure membrane thereof are used for removing a methylene blue dye from an aqueous solution, and the removal method is simple, easy to implement, low-cost and highly efficient.
A method and a device for realizing mainstream anaerobic ammonium oxidation in-situ enrichment by means of traditional activated sludge, belonging to sewage biological treatment technology. The device comprises: a municipal sewage raw water tank, an anaerobic ammonium oxidation reactor and a water output tank. The method comprises the following steps: (1) taking traditional activated sludge in a municipal sewage plant as inoculation sludge, with no special requirements for the form of a reactor and the quality of input water, wherein mainstream anaerobic ammonium oxidation in-situ enrichment mainly comprises three stages; (2) implementing a carbon and phosphorus removal stage, i.e. domesticating and removing carbon and phosphorus sludge by jointly controlling an aerobic time and sludge age; (3) initiating a short-cut nitrification stage by prolonging the aerobic time; and (4) in an anaerobic ammonium oxidation bacteria in-situ enrichment stage, providing good culture retention conditions by means of an artificial regulation strategy. (5) According to the method in the present invention, only existing traditional activated sludge sewage biological treatment apparatuses and devices need to be constructed or utilized, with no need for addition of chemicals, such that the method is conductive to being applied to actual engineering.
The invention discloses a method for producing silicon carbide from waste circuit board cracking residue, belongs to the field of comprehensive utilization of waste circuit board cracking products, and particularly relates to a method for high-valued utilization of non-metal components in waste circuit board cracking residue. The method mainly comprises the following steps: rolling and crushing, vibration sorting, ultrafine pulverization and electro-separation, quantitative batching, microwave sintering and discharging and grading. Compared with the prior art, rolling crushing is adopted to replace traditional shearing crushing, microwave sintering is adopted to replace a traditional Acheson smelting furnace, the effects of being easy to operate, saving energy and reducing consumption are achieved, the production efficiency is greatly improved, and the production cost is reduced. A brand-new method for obtaining high-purity silicon carbide by partially replacing anthracite and quartz sand with cracked coke and silicon dioxide in waste circuit board light plates or epoxy resin cracking residues is adopted, and high-value utilization of waste resources is achieved. The method has the characteristics of simple and feasible process, low manufacturing cost and wide adaptability, and is beneficial to improving the economic benefit and social benefit of enterprise production.
The invention discloses a multifunctional rigid-flexible operation engineering rescue accessory. The accessory comprises a frame, two working hydraulic cylinders, eight gripping device connecting rods, two gripping claws, a flexible cleaning device base, a movable guide sleeve, a guide slider, a guide slider rail, a rotary guide sleeve, eight sweepers brush, a functional hydraulic cylinder, and a working hydraulic motor. A gravel clearing function and a stone grabbing function are achieved by using one accessory, and different from a traditional engineering accessory integrating rigid movement, the accessory has the advantage of integrating rigid operation and flexible operation. A rigid grabbing system and a flexible sweeping system are arranged outside the frame and in the cavity of the frame respectively, so as to realize function conversion; through pushing out and retracting of a piston of the functional hydraulic cylinder, the sweeping brushes can be pushed out of the cavity to work and retract to be hidden so that the grabbing function and the sweeping function can be rapidly converted; and moreover, working requirements in various working states are met, and motion interference is avoided.
B08B 1/00 - Nettoyage par des procédés impliquant l'utilisation d'outils, de brosses ou d'éléments analogues
A62B 3/00 - Dispositifs ou éléments pour faciliter l'évacuation des bâtiments ou similaires, p.ex. boucliers de protection, écrans de protection; Dispositifs portatifs pour empêcher la fumée de pénétrer dans certaines parties du bâtiment
Disclosed in the present invention is a rigid-flexible operation integrated multifunctional engineering rescue accessory, the accessory comprising a frame, two working hydraulic cylinders, eight holding and grabbing device link rods, two holding claws, a flexible clearing device base, a movable guide sleeve, a guide slide block, a guide slide block guide rail, a rotary guide sleeve, eight clearing brushes, a functional hydraulic cylinder and a working hydraulic motor. In the present invention, a gravel clearing function and a stone holding and grabbing function are achieved by means of one engineering accessory; and the accessory is characterized by rigid-flexible operation integration, which is different from a rigid motion integration of a traditional engineering accessory. The function conversion of the present invention is realized on the basis of arranging a rigid holding and grabbing system outside the frame and arranging a flexible clearing system inside a cavity of the frame, and by means of the pushing-out and retraction of a piston of the functional hydraulic cylinder, the clearing brushes are pushed out from the inside of the cavity to work and are retracted to be hidden, such that the conversion between the holding and grabbing function and the clearing function is rapidly completed; moreover, under all working states, the working requirements are met without motion interference.
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