The present invention belongs to the field of recovery of secondary resources of noble metals, and discloses a method for leaching platinum group metals from spent catalyst by UV-vis, which uses ferric oxalate complex/hydrogen peroxide-chloride salt solution as a solvent for extracting platinum group metals under the condition of UV-vis, converts the platinum group metals from metallic state to platinum group metal complex, and obtains platinum group metal lixivium to realize the leaching of the platinum group metals. The platinum leaching rate of the method of the present invention can reach more than 97%. The present invention has mild reaction conditions, realizes the green recovery of platinum group metals from spent catalyst, avoids the use of strong acids and bases and toxic substances and avoids the production of toxic gases in the leaching process, so as to reduce the environmental hazards of the spent catalyst.
Disclosed is an implementation method for ultrasensitive Brink control for a delayed enzymatic reaction based on DNA strand displacement (DSD), relating to the field of feedback control technology based on DSD in biological systems. The method includes obtaining an enzymatic reaction process model with time delay; constructing a CRN-based Brink controller; obtaining a static mapping expression between an output of the Brink controller and an output of the system under a steady state condition; constructing a Brink controller by DSD reaction; obtaining a time delay representation, and applying it to DNA implementations of the enzymatic reaction process model; and combined with the Brink controller, controlling a delayed enzymatic reaction process model. The present invention is structurally free of subtraction, reduces the number of abstract chemical reactions required to implement, and greatly simplifies DNA implementation.
G16B 20/10 - Ploïdie ou détection du nombre de copies
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
G16B 5/00 - TIC spécialement adaptées à la modélisation ou aux simulations dans la biologie des systèmes, p. ex. réseaux de régulation génétique, réseaux d’interaction entre protéines ou réseaux métaboliques
3.
IN-SITU FREEZING MACHINING METHOD FOR INTEGRATED THIN-WALLED ARRAY STRUCTURE
The present invention proposes an in-situ freezing machining method for an integrated thin-walled array structure. In the method, the area among cups is cut off first; then, the outer walls of a cup array are machined; and finally, water filling and freezing are carried out, and in-situ freezing machining of the inner walls of the cup array is carried out. Then, hoisting and turning over are carried out, and the area among cavities is cut off; then, the outer walls of a cavity array are machined; and finally, water filling and freezing are carried out, and in-situ freezing machining of the inner walls of the cavity array is carried out. The method realizes in-situ freezing clamping of workpieces, avoids error accumulation caused by repeated installation of a fixture, and can refrigerate efficiently, suppress ambient and cutting thermal interference, and ensure the stability of freezing fixture.
The present invention provides an optimization control method for an aero-engine transient state based on reinforcement learning, and belongs to the technical field of aero-engine transient states. The method comprises: adjusting an existing twin-spool turbo-fan engine model as a model for invoking a reinforcement learning algorithm; to simultaneously satisfy high level state space and continuous action output of a real-time model, designing an Actor-Critic network model; designing a deep deterministic policy gradient (DDPG) algorithm based on an Actor-Critic frame, to simultaneously solve the problems of high-dimensional state space and continuous action output; training the model after combining the Actor-Critic frame with the DDPG algorithm; and obtaining the control law of engine acceleration transition from the above training process, and using the method to control an engine acceleration process.
F02C 9/44 - Commande de l'alimentation en combustible sensible à la vitesse de l'aéronef, p.ex. commande du nombre de Mach, optimisation de la consommation en combustible
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
5.
Method for Request Scheduling in UAV-Assisted Mobile Edge Computing (MEC) Network
A method for request scheduling in an unmanned aerial vehicle-assisted mobile edge computing network: determining multiple feasible UAV deployment points based on obstruction information in a target area; randomly selecting U feasible UAV deployment points from the multiple feasible UAV deployment points as UAV deployment points; dividing each UAV into multiple virtual UAVs; allocating user requests in a central queue of a UAV-assisted MEC to the virtual UAVs; using a round-robin policy to schedule the user requests allocated to each virtual UAV; after a specified time period t, if a network pressure mitigation condition isn't met, inputting historical user request data of each feasible UAV deployment point into a trained MT-LSTM neural network model, obtaining a to-be-processed data volume of each feasible UAV deployment point in a next specified time period t; re-determining UAV deployment points; redeploying UAVs carrying small cell base stations based on the new UAV deployment points.
The present invention provides an optimization algorithm for automatically determining variational mode decomposition parameters based on bearing vibration signals. First, mode energy is used to reflect bandwidth, a bandwidth optimization sub-model is established to automatically obtain optimal bandwidth parameter αopt. Secondly, energy loss optimization sub-model is established to avoid under-decomposition. Thirdly, a mode mean position distance optimization sub-model is established to prevent the generation of too much K and avoid the phenomenon of over-decomposition. Finally, considering the interaction between the bandwidth parameter α and the total number of modes K, the interaction between mode components and the integrity of reconstruction information, nonlinear transformation is performed by a logarithmic function, so as to make the values of three optimization sub-models form similar scales, obtain an optimization model that can automatically determine optimal VMD parameters αopt and Kopt, and establish a quantitative evaluation index for the decomposition performance of a VMD algorithm.
2+ can reach 99.7%, 99.4%, 99.5%, 98.7%, and 99.5%, respectively. The special three-dimensional (3D) cross-linked network structure of the loofah nanofiber crystal and the excellent physical and chemical adsorption properties and ion exchange capacity of the RHA are fully used in the curing agent of the present disclosure.
C04B 28/02 - 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 hydrauliques autres que ceux de sulfate de calcium
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
A honeycomb core with S-shaped reinforced structures includes multiple cylindrical unit cells arranged in a honeycomb shape and with a polygonal cross section, the cylindrical unit cells are divided into plain unit cells and S-shaped reinforced unit cells, an inner cavity of the plain unit cell is hollow, and the inner cavity of the S-shaped reinforced unit cell is equipped with an S-shaped reinforced structure, a cross section of the S-shaped reinforced structure is S-shaped and the inner cavity of the S-shaped reinforced unit cell is divided into two halves on average. This structure guides the load-transfer path effectively by controlling the rotation of S-shaped reinforced cells, it changes the position of plastic collapse in the structure, and finally changes the peak load of the core. Under different working conditions, the design of the arrangement of S-shaped reinforced structures can make the core produce different peak loads.
B32B 3/12 - Produits stratifiés caractérisés essentiellement par le fait qu'une des couches comporte des discontinuités ou des rugosités externes ou internes, ou bien qu'une des couches est de forme générale non plane; Produits stratifiés caractérisés essentiellement par des particularismes de forme caractérisés par une couche discontinue, c. à d. soit continue et percée de trous, soit réellement constituée d'éléments individuels caractérisés par une couche d'alvéoles disposées régulièrement, soit formant corps unique dans un tout, soit structurées individuellement ou par assemblage de bandes indépendantes, p.ex. structures en nids d'abeilles
B32B 3/08 - Caractérisés par des caractéristiques de forme en des endroits déterminés, p.ex. au voisinage des bords caractérisés par des éléments ajoutés à des endroits déterminés
9.
600 C/1 GPA HIGH-TEMPERATURE ULTRA-HIGH STRENGTH TI ALLOY AND PREPARATION METHOD THEREFOR
The present invention relates to a 600° C./1 GPa high-temperature ultra-high strength Ti alloy and a preparation method therefor, and belongs to an alloy system of Ti—Al—Zr—Sn—Si plus refractory metals. The 600° C./1 GPa high-temperature ultra-high strength Ti alloy comprises the following main components by mass percent: 5.2 wt. %-6.0 wt. % of Al, 6.2 wt. %-12.5 wt. % of Zr, 5.8 wt. %-6.5 wt. % of Sn, 0.3 wt. %-1.5 wt. % of Si and the balance of Ti element, refractory metals and other unavoidable impurities. Firstly, an alloy is prepared after incoming materials quality inspection. Secondly, a high-melting point master alloy and a low-melting point Al—Sn master alloy are respectively prefabricated to inhibit the uneven dissolution of elements and improve the microstructure homogeneity. Finally, the alloy blocks are subjected to vacuum arc melting to prepare an alloy. The present invention is convenient for mass production and can be used as an alternative material for high-temperature structural components of cutting-edge aviation and weapon equipment.
The present disclosure discloses a method for watermarking depth image based on mixed frequency-domain channel attention, relating to the field of artificial neural networks and digital image watermarking; the method includes: step 1: a watermark information processor generating a watermark information feature map; step 2: an encoder generating a watermarked image from a carrier image and a watermark information feature map; step 3: a noise layer taking the watermarked image as an input, and generating a noise image through simulated differentiable noise; step 4: a decoder down-sampling the noise image to recover watermark information; step 5: a countermeasure discriminator classifying the carrier image and the watermarked image such that the encoder generates a watermarked image with a high quality. The present disclosure combines the end-to-end depth watermark model with frequency-domain channel attention to expand an application range of the depth neural network in the field of image watermark.
G06T 1/00 - Traitement de données d'image, d'application générale
G06T 3/40 - Changement d'échelle d'une image entière ou d'une partie d'image
G06V 10/764 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant la classification, p.ex. des objets vidéo
G06V 10/771 - Sélection de caractéristiques, p.ex. sélection des caractéristiques représentatives à partir d’un espace multidimensionnel de caractéristiques
11.
PHOTOSENSITIZER MOLECULE AND USE THEREOF IN INCREASING TUMOR RETENTION TIME AND ENHANCING TREATMENT OF LARGE-VOLUME TUMORS
A photosensitizer molecule increases the retention time thereof in a tumor and the enhancement of the therapy for large-volume tumors. AN-BDP is synthesized by means of introducing anthracene into BODIPY-meso, and due to the strong intermolecular π-π interaction of anthracene, AN-BDP and an amphiphilic block copolymer DSPE-PEG2000 are self-assembled into stable nanoparticles AN-BDP NPs. By means of anthracene, AN-BDP can be excited to a triplet excited state under light irradiation and acts with O2 to generate 1O2. AN-BDP NPs are enriched at the tumor site and retained for about 10 days after tail vein injection. In a mouse tumor model having a conventional volume tumor, AN-BDP NPs can completely inhibit the growth of the tumor by means of one-time tail vein injection and one-time photoirradiation therapy.
A sliding removable coaxial capillary microfluidic chip and a preparation method therefor. The chip comprises a substrate which has a hole as a window; an alignment platform I and II are respectively fixed on both sides of the window, and the alignment platform I is internally provided with a circular groove I and a square groove I formed successively on the same axis; the alignment platform II is internally provided with a circular groove II and a square groove II formed successively on the same axis; both ends of the square capillary are respectively placed in the square groove I and II, one circular capillary enters the square groove through the circular groove I, one end of the other circular capillary is placed in the sliding platform, and the other end slides through the sliding platform and enters the square groove through the circular groove II.
A high-throughput microstructure characterization and reconstruction method of heterogeneous materials is provided. By extracting the features such as content, size and morphology of each constituent phase in the microscopic image of heterogeneous materials, and combining the principles of physical descriptor and texture synthesis method, the constituent phase with 10 microns scale, regular geometrical morphology and low content is characterized and reconstructed based on the physical descriptor, and the constituent phase with 100 microns scale, complex geometrical morphology and high content is characterized and reconstructed based on texture synthesis, and then the composition is adjusted to compensate for the overlapping pixels of each constituent phase to obtain batch reconstructed images.
This invention relates to a method for preparing of a submicro/nano-porous NiO/apatite-type lanthanum silicate anode functional layer. In the method a functional layer nanopowder, ethyl cellulose and terpineol are added into a rotary evaporation bottle containing anhydrous ethanol, and a suspension obtained after mixing is dispersed ultrasonically. The anhydrous ethanol in the suspension is removed by a rotary evaporator. When the suspension becomes a viscous paste, the paste is taken out and ground to complete the preparation of a functional layer paste. The functional layer paste is applied onto an anode substrate by screen printing, and 3 sublayers are screen printed. After dried, the sublayers are heat treated and sintered. The heating rate, the cooling rate and the holding time are controlled in the heating and cooling processes to complete the preparation of the anode functional layer.
H01M 4/86 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Électrodes Électrodes inertes ayant une activité catalytique, p.ex. pour piles à combustible
A jet-propelled water-entry composite buffer device for multi-channel gas recycling includes a head fairing, an underwater vehicle, a buffer, a cavitator and a side fairing. The side fairing is internally provided with a fairing body and a sealing choke plate, and a high-pressure gas cavity, a transition cavity and a sub-high-pressure gas cavity are formed by the fairing body and the sealing choke plate from front to back; a quota air pressure valve is disposed on the sealing choke plate; the fairing body is provided with pressure reducing holes; the high-pressure gas cavity, the transition cavity and the sub-high-pressure gas cavity form an gas cushion buffer. Gas acceleration holes communicated with the high-pressure gas cavity are further provided in the outer wall of the side fairing, so that a supercavity can be more favorably formed after the underwater vehicle enters water.
B63B 1/38 - Autres moyens pour faire varier les caractéristiques hydrodynamiques inhérentes aux coques par réduction du frottement utilisant des bulles d'air ou des coussins d'air
The present invention provides a robot dynamic obstacle avoidance method based on a multimodal spiking neural network. The present invention realizes a robot obstacle avoidance method in a dynamic environment by fusing laser radar data and processed event camera data and combining with the intrinsic learnable threshold of the spiking neural network for a scenario comprising dynamic obstacles. It solves the difficulty of failure of obstacle avoidance due to the difficulty in perceiving the dynamic obstacles in the obstacle avoidance task of a robot. The present invention helps the robot to fully perceive the static information and the dynamic information of the environment, uses the learnable threshold mechanism of the spiking neural network for efficient reinforcement learning training and decision making, and realizes autonomous navigation and obstacle avoidance in the dynamic environment. An event data enhanced model is combined to better adapt to the dynamic environment for obstacle avoidance.
G05D 1/00 - Commande de la position, du cap, de l'altitude ou de l'attitude des véhicules terrestres, aquatiques, aériens ou spatiaux, p.ex. pilote automatique
G05D 1/02 - Commande de la position ou du cap par référence à un système à deux dimensions
G06V 10/82 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant les réseaux neuronaux
G06V 10/80 - Fusion, c. à d. combinaison des données de diverses sources au niveau du capteur, du prétraitement, de l’extraction des caractéristiques ou de la classification
G06V 20/58 - Reconnaissance d’objets en mouvement ou d’obstacles, p.ex. véhicules ou piétons; Reconnaissance des objets de la circulation, p.ex. signalisation routière, feux de signalisation ou routes
17.
HOLE MAKING TOOL FOR ARAMID FIBER-REINFORCED PLASTIC AND DESIGN METHOD THEREOF
The present invention belongs to the technical field of composite material processing, and relates to a hole making tool for aramid fiber-reinforced plastic and a design method thereof. The drill bit has a step reversed point angle structure, which can reduce a trust force during drilling and effectively cut off a high toughness aramid fiber, thus to improve the hole making quality of an AFRP-related component. It is proved that the new tool can significantly improve the hole making quality of an AFRP component, improve the service life and safety degree, and greatly reduce the processing cost. Therefore, the present invention has a broad application prospect in the fields of aerospace, military industries and civil application.
B23P 15/32 - Fabrication d'objets déterminés par des opérations non couvertes par une seule autre sous-classe ou un groupe de la présente sous-classe d'outils de coupe de forets
B23P 15/46 - Fabrication d'objets déterminés par des opérations non couvertes par une seule autre sous-classe ou un groupe de la présente sous-classe d'outils de coupe d'outils d'alésage
18.
STEADY FLOW PREDICTION METHOD IN PLANE CASCADE BASED ON GENERATIVE ADVERSARIAL NETWORK
A steady flow prediction method in a plane cascade based on a generative adversarial network is provided. Firstly, CFD simulation experimental data in the plane cascade are preprocessed, and a test dataset and a training dataset are divided from the simulation experimental data. Then, an Encoding-Forecasting network module, a deep convolutional network module and a generative adversarial network prediction model are constructed successively. Finally, prediction is conducted on test set data: the test set data is preprocessed in the same manner, and data dimensions are adjusted according to input requirements of a saved optimal prediction model; and flow field images in the plane cascade at an inlet attack angle of 10° are obtained through the prediction model. The present invention can effectively avoid the problem of limited measurement range of sensors in an axial flow compressor, and the prediction result is highly consistent with the calculation result of CFD.
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
G06F 30/28 - Optimisation, vérification ou simulation de l’objet conçu utilisant la dynamique des fluides, p.ex. les équations de Navier-Stokes ou la dynamique des fluides numérique [DFN]
19.
METHOD FOR EVALUATING SUBSTRATE SURFACE CLEANLINESS ORIENTED TO ADDITIVE FORGING
INSTITUTE OF METAL RESEARCH, CHINESE ACADEMY OF SCIENCES (Chine)
Inventeur(s)
Guo, Jiang
Kang, Renke
Wei, Zhaocheng
Zhao, Yong
Xu, Bin
Jin, Zhuji
Li, Dianzhong
Abrégé
A method for evaluating a surface cleanliness oriented toward additive forging of a metal substrate employs weight coefficients corresponding to oil contaminants, particles and chips. Contamination scores of different contaminants are determined separately by different methods, and a surface cleanliness thereof is characterized in a quantitative manner by calculating the sum of the product of the weight coefficient and the contamination score of each contaminant. Further, an accurate and systematic method for evaluating a surface cleanliness employs weight coefficient of each contaminant determined based on a degree of adverse influence of the contaminant on the interface bonding of a substrate. Different detection methods are used for different contaminants. The contamination score of each contaminant is determined by the sum of the product of the weight coefficient and the contamination score of the corresponding contaminant, the comparison relationship is thus established, a cleanliness level is finally determined.
An infusion liquid heating and flow-velocity-monitoring system for clinical use is provided. The system includes a dynamic heating module, a measurement and analysis module for average velocity in infusion tubes, a velocity adjustment module, an alarming and automatic clipping module, a mobile-phone-computer remote monitoring module, an operable shared module, and a micro control module. A method of determining average velocity on a cross section of a tube according to a solution to Fourier series in a dynamic thermal dispersion equation of a steady flow in the tube is provided. Moreover, functions including monitoring infusion rate, automatic heating, monitoring whether infusion fluid in the infusion tube is empty, and automatic clipping and closing of the tube for preventing blood backflow, etc. are achieved. Lastly, specific applications developed which is connected with mobile phones by 5G network, Bluetooth and WIFI are used to display status of the infusion fluid.
A61M 5/44 - Dispositifs pour faire pénétrer des agents dans le corps par introduction sous-cutanée, intravasculaire ou intramusculaire; Accessoires à cet effet, p.ex. dispositifs de remplissage ou de nettoyage, appuis-bras avec des moyens pour refroidir ou pour chauffer les dispositifs ou les agents
G01F 1/688 - Dispositions de structure; Montage des éléments, p.ex. relativement à l'écoulement de fluide utilisant un élément de chauffage, de refroidissement ou de détection d'un type particulier
21.
PREPARATION METHOD OF ALKALI METAL ION MODIFIED TITANIUM SILICALITE ZEOLITE FOR GAS PHASE EPOXIDATION OF PROPYLENE AND HYDROGEN PEROXIDE
An alkali metal ion modified titanium silicalite zeolite for gas phase epoxidation of propylene and hydrogen peroxide and a preparation method thereof. The method includes, at first step: preparing an alkali metal hydroxide modification solution; at second step: conducting controlled hydrothermal treatment on a TS-1 zeolite matrix by using an alkali metal hydroxide solution; and at third step: conducting post-treatment on the hydrothermally modified TS-1 zeolite, including solid-liquid separation, washing, drying and calcining. In the washing process, the modified TS-1 zeolite wet material is washed with a low concentration alkali metal hydroxide solution; alkali metal ions are reserved on the silicon hydroxyl of the modified titanium silicalite zeolite; and an infrared characteristic absorption band of a framework titanium active center modified by the alkali metal ions is in a range above 960 cm−1 and below 980 cm−1.
For an internal cooling system for precision turning and a control method thereof, internal cooling channels are machined in turning tool, and internal cooling sleeves are used to realize the communication between each hydraulic branch circuit and internal cooling channels of turning tool; a tool contact area calculation model is established to master the change rule of the contact state in whole-domain turning process of a curved surface component; the temperature and flow rate of a cooling medium at a liquid outlet of an air-cooled water cooler are set according to the material property and cutting conditions of the curved surface component; an electromagnetic control circuit is used to control the on-off of electromagnetic directional valves, so as to adjust the conduction sequence and action time of each hydraulic branch circuit, and further realize the localized, directional and accurate cooling of a curved surface component cutting tool.
B23Q 11/10 - Dispositions pour le refroidissement ou la lubrification des outils ou des pièces travaillées
B23B 1/00 - Méthodes de tournage ou méthodes de travail impliquant l'utilisation de tours; Utilisation d'équipements auxiliaires en relation avec ces méthodes
23.
MULTI-CHANNEL INTEGRATED MICROFLUIDIC CHIP AND METHOD FOR HIGH-THROUGHPUT PREPARATION OF MONODISPERSE MICROGELS USING THE SAME
A multi-channel integrated microfluidic chip has at least two layers of channel structures. Each layer of channel structure is provided with a liquid phase input channel. One layer of channel structure is provided with a drop-maker unit and a collection channel. The liquid phase input channel has a liquid phase input port (1) and a resistance control unit (2). The drop-maker unit contains a multiphase emulsification channel (6) and a local resistance control unit (8). The collection channel has a washing channel (9), a washing phase input port (10) and a product output port (11). A method for preparing monodisperse gel microspheres is also provided.
A real-time multi-parameter coordinating 3D printing auxiliary forming process for continuous fiber reinforced composites belongs to the technical field of 3D printing. The method starts an external auxiliary heating mechanism and an external auxiliary pressure mechanism timely according to the characteristics of forming materials, the structure of a forming component and interlayer pressure and temperature differences measured in real time during printing, increases interlayer forming pressure of 3D printing and reduces an interlayer temperature difference to improve interlayer bonding strength of the composites. Meanwhile, the method starts a dedicated auxiliary mechanism accompanying mechanism timely according to an established printing trajectory to ensure that the relative positions of an auxiliary mechanism and a printing device are kept unchanged in real time, to realize sustainable forming of multi-parameter coordinating 3D printing for continuous fiber reinforced composites. The method improves the interlayer bonding quality of the component.
B29C 64/393 - Acquisition ou traitement de données pour la fabrication additive pour la commande ou la régulation de procédés de fabrication additive
B29C 64/165 - Procédés de fabrication additive utilisant une combinaison de matériaux solides et liquides, p.ex. une poudre avec liaison sélective par liant liquide, catalyseur, inhibiteur ou absorbeur d’énergie
An aero-engine surge active control system based on fuzzy controller switching is provided. The present invention selects a basic controller with the most appropriate current state for switching control according to the operating state of a compressor based on the principle of fuzzy switching, and can realize large-range, adaptive and performance-optimized surge active control. Controllers designed by the present invention realize large-range surge active control through fuzzy switching, so that the effective operating ranges of the controllers are expanded and the reliability of the controllers is improved. The designed controllers can be applied to the active control of surge caused by various causes, so that the adaptability of the controllers is improved and is closer to the actual operating condition of the engine. Some optimization indexes are added in the design process of the controllers, which can realize optimal control under corresponding optimization objectives.
The present disclosure provides a method for preparing multi-component polymers through post-polymerization modification, used to functionalize polysulfonyl imidate polymer including a dispersing polymer reactant, an electrophilic substitution reagent and a catalyst in an organic dispersant; adding acid-binding agent to react at room temperature for 4-48 h; obtaining the precipitate when the reaction finished; washing and drying the obtained precipitate to get the functionalized multi-component polymers. The present disclosure involves a low polymerization temperature, allowing for the reaction to occur at room temperature. Additionally, the conversion rate is high, and the applicable electrophilic substitution monomer reagents have a wide selection. Besides that, the synthesis cost of the reaction is low due to the widespread availability of common chemical reagents such as catalysts, organic dispersants, acid binding agents, and other reaction reagents. The ease of access to these raw materials contributes to the overall affordability of the synthesis process.
C08G 73/00 - Composés macromoléculaires obtenus par des réactions créant dans la chaîne principale de la macromolécule une liaison contenant de l'azote, avec ou sans oxygène ou carbone, non prévus dans les groupes
27.
SYSTEM AND METHOD FOR SYNCHRONOUSLY RECOVERING NITROGEN AND CARBON DIOXIDE FROM BOILER FLUE GAS
A system for synchronously recovering nitrogen and carbon dioxide from boiler flue gas includes: a flue gas pretreatment system used for dehydrating and cooling boiler flue gas; a carbon and nitrogen separation system communicated with the flue gas pretreatment system, and used for performing pressure swing adsorption on the pretreated flue gas and separating the nitrogen-containing vent gas and the crude carbon dioxide gas; a carbon dioxide secondary purification system communicated with the carbon and nitrogen separation system, and used for performing secondary purification on the crude carbon dioxide gas separated from the carbon and nitrogen separation system; and a nitrogen concentration and purification system communicated with the carbon and nitrogen separation system and the carbon dioxide secondary purification system, and used for purifying the nitrogen-containing vent gas separated from the carbon and nitrogen separation system and the vent gas generated by the carbon dioxide secondary purification system.
B01D 53/04 - SÉPARATION Épuration chimique ou biologique des gaz résiduaires, p.ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par adsorption, p.ex. chromatographie préparatoire en phase gazeuse avec adsorbants fixes
28.
METHOD FOR CHARACTERIZATION OF TEMPERATURE IN WELD ZONE OF FRICTION STIR WELDING BASED ON INFRARED THERMAL IMAGER
The present invention belongs to the field of friction stir welding (FSW) temperature detection, and relates to a temperature characterization method of FSW weld zone based on infrared thermal imager. The invention combines theory with experiment. A temperature field simulation model of FSW is established based on DEFORM. The data sets of temperature of surface feature points, the maximum and minimum temperatures in weld zone are obtained according to the simulation model result. Then, Support Vector Regression (SVR) is used to establish a temperature characterization model, which represents the correlation between the temperature of surface feature points and the maximum and minimum temperatures in weld zone. In the actual welding process, an infrared camera is used to measure the temperature of the surface feature point in real-time. Combined with the built temperature characterization model, the characterization of the maximum and minimum temperatures in weld zone is achieved.
G01J 5/00 - Pyrométrie des radiations, p.ex. thermométrie infrarouge ou optique
G01J 5/48 - Thermographie; Techniques utilisant des moyens entièrement visuels
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
29.
PREDICTION METHOD FOR MAXIMUM VELOCITY PROFILE IN WAVE BOUNDARY LAYER BASED ON VELOCITY DEFECT FUNCTIONS
The present invention discloses a prediction method for a maximum velocity profile in a wave boundary layer based on velocity defect functions. The method overcomes the theoretical defects of the existing velocity defect functions. That is, the velocity profile in a turbulent wave boundary layer cannot be realized; and in addition, without the assumption of linear wave conditions, the method is suitable for nonlinear waves and at the same time, for a small A/k, range, and can be extended to the analysis and prediction for the maximum velocity profile under the condition that the spatial distribution of roughness elements of gravel seabed, etc. obviously affects the flow structure of the boundary layer. The present invention can be directly applied to the analysis and prediction for physical quantities/processes, such as characteristics of the wave boundary layer, stress of underwater structures, and starting and transport of submarine sediments.
G01P 5/00 - Mesure de la vitesse des fluides, p.ex. d'un courant atmosphérique; Mesure de la vitesse de corps, p.ex. navires, aéronefs, par rapport à des fluides
G06F 17/12 - Opérations mathématiques complexes pour la résolution d'équations d'équations simultanées
30.
Wastewater treatment method and apparatus based on hydrate-based water vapor adsorption
The present disclosure relates to the technical field of wastewater treatment, and provides a wastewater treatment method and apparatus based on hydrate-based water vapor adsorption. The apparatus includes a wastewater evaporation zone, a hydrate formation zone, a hydrate decomposition zone, and a data acquisition and control system. Rising water vapor and condensed water formed during evaporation of wastewater at normal temperature react with a hydrate former on a cooling wall surface to form a hydrate, continuous evaporation of the wastewater is promoted, the hydrate is scraped off to a collecting zone below by a scraper after being formed, and the hydrate is decomposed into fresh water, thereby realizing wastewater treatment. The present disclosure provides a method for treating complex wastewater containing a plurality of pollutants, where water vapor is consumed to form the hydrate to promote wastewater evaporation, and water obtained from the decomposition does not contain pollutants theoretically.
C02F 103/16 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant de procédés métallurgiques, c. à d. de la production, de la purification ou du traitement de métaux, p.ex. déchets de procédés électrolytiques
31.
APPARATUS AND METHOD FOR HYDRATE-BASED WASTEWATER TREATMENT AND COLD STORAGE
The present disclosure provides an apparatus and a method for hydrate-based wastewater treatment and cold storage. The apparatus for hydrate-based wastewater treatment and cold storage includes a water chilling unit, a hydrate-based cold storage tank, an airflow disturbance device, a water layer positioning system, a spraying system, a suction filtration system, a heat exchange system, and a system monitoring device. The water chilling unit provides a secondary refrigerant at a low temperature. The secondary refrigerant flows through an evaporator coil in the hydrate-based cold storage tank for heat exchange. The airflow disturbance device induces hydrate nucleation. The water layer positioning system positions a contact surface between a water layer and a hydrate former after hydrate decomposition to facilitate drawing and separation of the treated upper water layer. The spraying system and the suction filtration system enhance the solid-liquid separation efficiency to improve the removal rate of pollutants.
The disclosure discloses a method and system for adjusting user field of view (FoV) in a three-dimensional virtual reality (VR) scene. The method includes: acquiring two consecutive frames of scene pictures during a period of a user experiencing a VR scene by using a VR device; determining a projected scene flow vector on the basis of the two consecutive frames of scene pictures; generating a virtual scene graph of the two consecutive frames of scene pictures; determining a projected scene flow value of the virtual scene graph on the basis of the projected scene flow vector; determining a peripheral vision pixel of the virtual scene graph; calculating a projected scene flow average value of the peripheral vision pixel on the basis of the projected scene flow value of the virtual scene graph; and dynamically adjust a FoV of the user on the basis of the projected scene flow average value.
A large gear involute artifact assembled with mandrel used as physical datum of precision traceability and measurement transmission for large gear involute is proposed. The artifact comprises a large gear involute artifact stripe, a mandrel, a backing plate, a counterweight shaft, an adjustable counterweight ring, the adjustable screws of counterweight, the connecting screws for backing plate, the connecting screws for artifact and an eccentric multi-ball bearing. The structure and the rolled length of the large gear involute artifact assembled with mandrel fit the basic requirements of class-1 accuracy in the national standard of gear involute artifact GB/T 6467-2010 in China. It has advantages of long rolled length, adjustable center of mass, uniform datum, compact structure, and portability. It adopts lightweight design, which can be installed and transported by one person manually, and is suitable for the structural design of large gear involute artifact with base-circle diameter greater than 500 mm.
A pure-rolling generating measurement method and device for gear helix artifact is proposed, which use a dividing table to accurately control the linear rail slide block assembly component to rotate according to the helix angle of different base circle. The height of the measuring point is the installation height of the working plane of generating rails, so as to ensure that the measuring point is always located on the dividing cylindrical surface of the gear helix artifact. When the gear helix artifact does pure-rolling motion, the slide block performs high-precision linear motion on the working surface of two fixed rails; the pure-rolling motion is proportional to the high-precision linear motion, so that the inductor micro-displacement probe can complete the measurement of the helix deviations of the gear helix artifact with different base circle helix angle.
G01B 7/28 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer des contours ou des courbes
35.
A DIGITAL TWIN FRAMEWORK OF WELD JOINT FATIGUE BASED ON STRUCTURAL STRESS METHOD
The present invention belongs to the field of the digital twin, and relates to a digital twin framework of weld joint fatigue based on a structural stress method. The framework is divided into an off-line stage and an on-line stage, wherein the off-line stage comprises establishing a finite element model, calculating equivalent structural stress, and training an artificial intelligence algorithm; and the on-line stage comprises reading sensor data, predicted by the artificial intelligence algorithm, counting by a rainflow counting method and calculating remaining life by cumulative damage. The framework combines five methods, i.e. a finite element method, a structural stress method, the artificial intelligence algorithm, an upper envelope method, the rainflow counting method, and a Miner linear cumulative damage method. The present invention realizes visual feedback and early warning of a dangerous position of a weld joint through real-time prediction of mechanical properties and fatigue damage of the weld joint.
G06F 30/23 - Optimisation, vérification ou simulation de l’objet conçu utilisant les méthodes des éléments finis [MEF] ou les méthodes à différences finies [MDF]
36.
ENERGY-SAVING PROCESS AND DEVICE FOR RECOVERING C2 FROM REFINERY DRY GAS
The preset invention provides an energy-saving process and device for recovering C2 from refinery dry gas. The process is as follows: dry gas is cooled and then sent to a multi-stage absorption tower for treatment; the gas phase from the multi-stage absorption tower is sent to a fuel gas pipeline network or PSA unit, and the liquid phase is sent to a high-pressure flash zone for treatment; the gas phase from the high-pressure flash zone is returned to a compression section of a dry gas pretreatment system; the gas phase from the low-pressure flash zone is sent to a C2 concentrated gas compressor system; and the gas phase from the desorption tower is mixed with the gas phase obtained from the low-pressure flash zone and sent to an ethylene cracking furnace as a C2 concentrated gas product, most of the liquid phase is returned to the multi-stage absorption tower.
C10G 70/04 - Post-traitement de mélanges non définis normalement gazeux obtenus par des procédés couverts par les groupes , , , , par des procédés physiques
37.
A PERIDYNAMICS-BASED FINITE ELEMENT METHOD (PERIFEM) FOR THE ANALYSIS OF STRUCTURAL DAMAGE AND ITS IMPLEMENTATION IN COMMERCIAL SOFTWARE
A peridynamics-based finite element method (PeriFEM) for an structural damage analysis, comprising the following steps: A1: generating finite elements of a structure, A2: generating peridynamic elements based on the finite elements; A3: calculating a global load vector; A4: calculating a global stiffness matrix; A5: formulating and solving a linear algebra equation about the global node displacement vector; A6: evaluating whether the result satisfies the convergence criteria; if so, go to step A7, if not, return to step A4; A7: increasing the external load successively and loop A3-A7 after that, until the external load exceeds the maximum external load; A8: plotting the results. The implementation of PeriFEM in software includes the following operations: B1: generating the peridynamic elements for inputting into the software; B2: programing the formulation of the element stiffness matrix in step A4 as a subroutine; and B3: setting a method for the updating the subroutine.
G06F 30/23 - Optimisation, vérification ou simulation de l’objet conçu utilisant les méthodes des éléments finis [MEF] ou les méthodes à différences finies [MDF]
38.
Seesaw-type feeding device for collecting solid suspended materials
A seesaw-type feeding device for collecting solid materials suspended in a flow field includes a suspension assembly, a material collection assembly, a joint hinge, two anti-collision blocks and an escapement shaking assembly, wherein the latter three of which are located between the suspension assembly and the material collection assembly. The suspension assembly includes a V-shaped floating body and at least three fixed bottom anchors. The material collection assembly includes a collection pocket net, a material container, a delivery part, and an annular water discharging screen mesh. The escapement shaking assembly is located behind the V-shaped floating body and faces the material collection assembly. The material collection assembly is able to shake relatively to the fluid in the flow field, and the escapement shaking assembly drives the material collection assembly to shake.
B01D 33/29 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration le mouvement des éléments filtrants étant une combinaison de mouvements
B01D 33/72 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration comportant des dispositifs d'alimentation ou d'évacuation d'alimentation
A device for separating and sequestrating carbon dioxide coupled with cold storage in mixed gas via hydrate method, which belongs to the technical field of application of natural gas hydrates includes a gas compression device, a refrigeration cycle device, a hydrate formation/decomposition device, a hydrate cold storage device, a water circulation device and a sensing and monitoring device; taking the separation and sequestration of biogas as an example, the refrigeration cycle device enables the cooling of biogas, decomposition of gas at all levels, hydrate, and circulating water to provide the low-temperature conditions required for hydrate formation; the hydrate cold energy storage device can fully use the latent heat of hydrate phase change to provide the required cooling capacity on the user side; the water circulation device can realize the recycling of decomposition water to ensure the continuous formation of hydrate.
B01D 53/00 - SÉPARATION Épuration chimique ou biologique des gaz résiduaires, p.ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols
A pre-alarming method for rotary stall of compressors based on a temporal dilated convolutional neural network includes firstly, preprocessing dynamic pressure data of an aero-engine, and dividing a test dataset and a training dataset from experimental data; secondly, constructing a temporal convolutional network module, a Resnet-v network module and a temporal dilated convolutional network prediction model in sequence, and saving an optimal prediction model. Finally, conducting real-time prediction on test data: adjusting data dimension of the test dataset according to input requirements of the temporal dilated convolutional network prediction model; calculating predicted surge probability of each sample by the temporal dilated convolutional network prediction model in chronological order; calculating real-time surge probability of a pair of samples with and without covariates by the temporal dilated convolutional network prediction model, and observing improvement action of covariates on model prediction effect.
A method for enhancing geological storage by injecting nanoparticles to stabilize CO2 microbubbles, which belongs to the technical field of multiphase flow. The method first improves the physical properties of the fluid by pre-mixing CO2 and nanoparticles, and then the fluid is transported to the underground through high-pressure pipelines, and then CO2 microbubbles containing nanoparticles are generated through a dense perforated plate arranged by an injection well to improve the dissolution rate and sweep efficiency of the gas in the saline aquifer, so as to enhance the later mixing of the fluid. The combined injection can improve CO2 storage capacity and storage safety, and further reduce the risk of gas leakage in the reservoir.
The present invention discloses a flexible dot matrix bonding apparatus and an adaptive clamping method for a disk-type planar component. The apparatus mainly comprises three components: a substrate, connecting rods and an auxiliary support. The threaded holes in a circumferential array are uniformly distributed in the substrate, and the connecting rods are fixed at different circumferential positions of the substrate in a threaded connection manner, which play a role in bonding and supporting the disk-type planar component. The auxiliary support is matched with the substrate, so that a workpiece after turning can be taken out without damage. According to detection results of machining deformation of the disk-type planar component, the installation positions of the connecting rods on the substrate are adjusted accordingly, thus changing bonding positions of the disk-type planar component. Finally, an adaptive clamping method aiming at reducing the machining deformation of the disk-type planar component is formed.
B23B 25/06 - Equipement de mesure, de calibrage ou de réglage sur les machines à tourner pour la mise en place, l'avance, la commande ou le contrôle des outils de coupe ou de la pièce à usiner
B23Q 3/08 - Moyens de fixation de la pièce autres que les moyens actionnés mécaniquement
43.
QUASI-STATIC CALCULATION METHOD FOR LATERAL UNBALANCED FORCE OF TRANSMISSION LINES
--The present invention belongs to the technical field of disaster prevention and reduction of transmission lines, and provides a quasi-static calculation method for lateral unbalanced force of transmission lines. The present invention can quantify significant unbalanced force caused by a failed tower to an adjacent tower, thus to quantitatively evaluate cascading failure risk of transmission lines. The present invention does not need a lot of iteration, and can parametrically reveal influence of various factors on unbalanced force. The present invention quantifies influence of large deformation effect of a conducting wire on wind load, and at the same time, wind load of the conducting wire is corrected by the trapezoidal equivalent wind pressure proposed, which avoids wind load calculation error of the conducting wire caused by a relatively large vertical height difference, better reflects actual mechanical state of the lines, and optimizes existing wind load calculation method of transmission lines.--
G01L 5/04 - Appareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques pour la mesure de la tension dans les éléments flexibles, p.ex. dans les cordages, les câbles, les fils métalliques, les filaments, les courroies ou les bandes
G06F 17/11 - Opérations mathématiques complexes pour la résolution d'équations
44.
LEUKOCYTE CLASSIFICATION REAGENT, ERYTHROCYTE ANALYSIS REAGENT, KITS, AND ANALYSIS METHOD
Disclosed are a leukocyte classification reagent and kit, a classification method, an erythrocyte classification reagent and kit, and an analysis method. Both the leukocyte classification reagent and the erythrocyte classification reagent comprise a fluorescent dye represented by the general formula F. The dye can stain the nucleic acids of leukocytes and erythrocytes, therefore, during blood analysis, the classification and/or counting of leukocytes in a sample can be accurately realized, and the classification and/or counting of erythrocytes in a sample can be accurately realized, in particular the identification and/or counting of RETs. In addition, the types of dyes used in blood cell analysis may also be simplified.
Disclosed are a leukocyte classification reagent and kit, a classification method, an erythrocyte classification reagent and kit, and an analysis method. Both the leukocyte classification reagent and the erythrocyte classification reagent comprise a fluorescent dye represented by the general formula F. The dye can stain the nucleic acids of leukocytes and erythrocytes, therefore, during blood analysis, the classification and/or counting of leukocytes in a sample can be accurately realized, and the classification and/or counting of erythrocytes in a sample can be accurately realized, in particular the identification and/or counting of RETs. In addition, the types of dyes used in blood cell analysis may also be simplified.
G01N 33/50 - 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
G01N 33/58 - 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 substances marquées
C09B 69/00 - Colorants non prévus par un seul groupe de la présente sous-classe
45.
HORIZONTAL TWO-DIMENSIONAL DISPLACEMENT RECONSTRUCTION METHOD FOR LATTICE TOWER STRUCTURE BASED ON MULTI-SOURCE HETEROGENEOUS DATA FUSION
The present invention belongs to the field of monitoring technology and signal analysis of lattice tower structures, and discloses a horizontal two-dimensional displacement reconstruction method for a lattice tower structure based on multi-source heterogeneous data fusion. a lattice tower is simplified into a thin-walled three-dimensional variable section cantilever beam, a two-dimensional strain-displacement mapping method is used to calculate the horizontal two-dimensional displacement with low sampling rate, and finally a multi-rate Kalman filter algorithm is used to fuse the displacement with horizontal two-dimensional acceleration to obtain the horizontal two-dimensional displacement with high sampling rate. A data fusion method of the present invention needs less sensors, is simple in calculation process and accurate in calculation results, and has strong operability and practicability.
The present invention belongs to the technical field of natural gas hydrates (NGHs), and provides an environmentally friendly NGH inhibitor and application. The hydrate inhibitor has a component of nisin, and further comprises chitooligosaccharide and an alcohol thermodynamic hydrate inhibitor, that can enhance the thermostability of the inhibitor and the inhibitory effect for NGHs. The optimal application conditions of the NGH inhibitor of the present invention are: temperatures of −10 to 100° C., pressures of 0.1 to 25 MPa, and a maximum subcooling degree of 12° C. The inhibitor of the present invention has good NGH inhibitory performance and certain antibacterial effects, which is a low-dose, degradable, high temperature resistant, green, environmental protective, safe and efficient NGH inhibitor, that can be used for the fields of oil-gas transportation and NGHs, and provides a new solution for field application of green natural hydrate inhibitors.
The present invention discloses a simulation method for electron temperature evolution caused by an EAST tokamak radiofrequency wave. During the process of electron temperature evolution caused by injecting a numerically simulated radiofrequency wave into an EAST tokamak device, the forms of heating source are determined according to hardware parameters of a radiofrequency system, and then the evolution of the disturbed electron temperature in a given magnetic field configuration is calculated according to an electron transport equation in a tokamak configuration. The plasma resistivity is modified according to the evolved electron temperature, and the evolution of the magnetic field configuration is calculated by adopting the modified resistivity. The evolution of the disturbed electron temperature is calculated sequentially in such magnetic field configuration, and the calculation is conducted repeatedly, to achieve the simulation of long-time evolution.--
G21B 1/05 - Réacteurs de fusion thermonucléaire avec confinement magnétique ou électrique du plasma
G06F 17/13 - Opérations mathématiques complexes pour la résolution d'équations d'équations différentielles
G06F 30/28 - Optimisation, vérification ou simulation de l’objet conçu utilisant la dynamique des fluides, p.ex. les équations de Navier-Stokes ou la dynamique des fluides numérique [DFN]
G06F 30/25 - Optimisation, vérification ou simulation de l’objet conçu utilisant des méthodes basées sur les particules
48.
A GENERATING DEVICE BASED ON FRICTION DRIVE FOR GEAR INVOLUTE ARTIFACT WITH LONG-ROLLED PATH LENGTH BY ROLLING METHOD
A generating device based on friction drive for gear involute artifact with long-rolled path length by rolling method is proposes. The device includes a roller component, rail component and friction-driven component, wherein the roller component consists of a gear involute artifact with long rolled length, a mandrel, a multi-ball bearing for gear involute artifact, the base-circle plates, the parallel sleeves, a multi-ball bearing, the plain washers, the cross washers, and the locking nuts; the rail component consists of a foundation, a location baffle for base-circle plates, rails, the baffles, a location baffle for rail, copper washers, the connecting screws and the set screws of the rail; and the friction-driven component consists of a friction block, a motorized linear sliding table, a vertical sliding table, a vertical foundation and an adapter. It has good market application prospect and popularization value.
The present invention belongs to the field of power system operations and provides a method for quantifying the flexibility demand and coordinating optimization of a hydro-wind-solar multi-energy complementary system. Firstly, the flexibility demand quantification method considering the uncertainty of wind and solar power output is constructed, and the wind and solar power output interval is divided by using quantile points to generate a set of output scenarios, and then the flexibility demand under each scenario is calculated. Based on the quantitative index of flexibility demand, an optimal operation model of hydro-wind-solar complementary system considering the minimum expectation of system flexibility deficiency is constructed to realize the optimal calculation of hydro-wind-solar complementary. By utilizing an actual wind-hydro complementary system of the Yunnan Power Grid, the model is validated for different new energy access ratios. The results show that the method of the present invention can give a complementary operation and scheduling scheme for multiple types of power sources under different conditions, effectively meet the flexibility demand of the system, reduce the abandoned power and improve the level of clean energy integration.
H02J 3/46 - Dispositions pour l’alimentation en parallèle d’un seul réseau, par plusieurs générateurs, convertisseurs ou transformateurs contrôlant la répartition de puissance entre les générateurs, convertisseurs ou transformateurs
H02J 3/38 - Dispositions pour l’alimentation en parallèle d’un seul réseau, par plusieurs générateurs, convertisseurs ou transformateurs
In a method for preparing a zeolite CHA membrane, a gel conversion method is adopted to assist crystallization, seed solutions with different concentrations and sizes are successively coated on the surface of a porous support to obtain a seed layer, a synthetic gel is coated on the seed layer to obtain a gel layer, and then the porous support is subjected to a membrane crystallization reaction to obtain a zeolite CHA membrane. The method skips the conventional stage of converting the heterogeneous zeolite into the zeolite CHA seed, and directly takes a heterogeneous zeolite with the same secondary structural unit as that of zeolite CHA as a seed to directly prepare a zeolite CHA membrane on a support.
A forming method of a nickel aluminum (NiAl) alloy tubular part with micro flow channels including preparing a laminated tube blank. A step of fixing aluminum wires to an outer surface of the laminated tube blank to prepare a middle tube blank. A step of winding a nickel (Ni) flexible substrate and an Al flexible substrate on an outer surface of the middle tube blank to prepare a composite tube blank. A step of carrying out hot gas forming on the composite tube blank to prepare a composite tubular part. A step of carrying out in-mold first-stage reaction synthesis to make the Ni flexible substrate chemically react with the aluminum (Al) flexible substrate. A step of carrying out in-mold second-stage reaction synthesis to melt all the aluminum wires. A step of carrying out hot isostatic pressing treatment to prepare the NiAl alloy tubular part with the micro flow channels.
A multidisciplinary structural design optimization method for a fuel assembly based on co-simulation takes the fuel assembly as a research object, and establishes a surrogate model by determining appropriate optimization design parameters with respect to the optimization requirements and low design of experiments efficiency of the fuel assembly under the working conditions of flow, solid and thermal multidisciplinary coupling. At the same time, the method combines optimization algorithms to realize the structural optimization design of a flaky fuel assembly with multiple narrow flow channels based on the characteristic of rapid optimization of ISIGHT, thereby effectively solving the problem of uneven temperature distribution of the structure. The method integrates NX, ICEM CFD, FLUENT and ABAQUS based on ISIGHT to construct a co-simulation platform, does not need to repeatedly manually set the software in multiple calculations, and can greatly save time cost while satisfying design requirements, and can shorten an optimization cycle.
The present disclosure provides a random particle generation method based on particle size distribution, which can accord with the particle size distribution characteristics of a geological structure. According to this method, random particle generation is adopted, so that a common spherical structure is avoided, and a generated particle structure is very similar to a real soil structure. Based on actual particle size distribution, particles with different particle sizes are generated by batch generation, particle seeds are generated at random pore locations, and particles are generated based on the seeds. By providing a random particle generation method based on particle size distribution, a soil structure in a form of porous media can be restored by means of simulation, which thus provides a porous medium model for the research of groundwater infiltration and fossil energy exploitation.
The present invention belong to the technical field of lattice tower structure monitoring, and discloses a displacement reconstruction method for a lattice tower structure based on improved mode superposition. The method comprises: uniformly arranging D strain sensors on main member of a lattice tower along the height, processing collected strain data {ε}D×1 using a stochastic subspace identification (SSI) method to obtain a matrix [Ψ]D×nT of first n-order strain modes;
The present invention belong to the technical field of lattice tower structure monitoring, and discloses a displacement reconstruction method for a lattice tower structure based on improved mode superposition. The method comprises: uniformly arranging D strain sensors on main member of a lattice tower along the height, processing collected strain data {ε}D×1 using a stochastic subspace identification (SSI) method to obtain a matrix [Ψ]D×nT of first n-order strain modes;
calculating a function relation y(x) between a distance from a measuring point to a neutral layer and a height according to a lattice tower design drawing; performing polynomial fitting on the first n-order strain modes with a height coordinate x of the lattice tower respectively to obtain a strain mode function Ψi(x), expanding a function
The present invention belong to the technical field of lattice tower structure monitoring, and discloses a displacement reconstruction method for a lattice tower structure based on improved mode superposition. The method comprises: uniformly arranging D strain sensors on main member of a lattice tower along the height, processing collected strain data {ε}D×1 using a stochastic subspace identification (SSI) method to obtain a matrix [Ψ]D×nT of first n-order strain modes;
calculating a function relation y(x) between a distance from a measuring point to a neutral layer and a height according to a lattice tower design drawing; performing polynomial fitting on the first n-order strain modes with a height coordinate x of the lattice tower respectively to obtain a strain mode function Ψi(x), expanding a function
Ψ
i
(
x
)
y
(
x
)
The present invention belong to the technical field of lattice tower structure monitoring, and discloses a displacement reconstruction method for a lattice tower structure based on improved mode superposition. The method comprises: uniformly arranging D strain sensors on main member of a lattice tower along the height, processing collected strain data {ε}D×1 using a stochastic subspace identification (SSI) method to obtain a matrix [Ψ]D×nT of first n-order strain modes;
calculating a function relation y(x) between a distance from a measuring point to a neutral layer and a height according to a lattice tower design drawing; performing polynomial fitting on the first n-order strain modes with a height coordinate x of the lattice tower respectively to obtain a strain mode function Ψi(x), expanding a function
Ψ
i
(
x
)
y
(
x
)
according to a Taylor formula, performing double integration on the expansion result and substituting same into a boundary condition, to obtain a displacement mode function Φi(x); evaluating a modal coordinate {q}n×1 by means of the least square method, substituting the height coordinate x of a displacement object point to be reconstructed, and multiplying the displacement mode function value Φi(x) by the modal coordinate {q}n×1. The improved mode superposition method of the present invention has the advantages of a small number of sensors required, simple calculation process, accurate calculation result, and strong operability and practicality.
A method for preparing a combination adjuvant is based on carboxyl modified aluminum oxyhydroxide nanoparticles. The preparation method uses carboxylated hydroxyl oxide nanoparticles as a carrier, but is not limited to the role of a carrier. The carboxylated hydroxyl oxide nanoparticles are combined with a novel CpG-ODN adjuvant, such that the half-life period of a CpG adjuvant is prolonged. The combination of adjuvants shows a synergistic effect, such that the Th2 type immune stimulation ability is enhanced, and the possibility of Th1 type immunity is also given to the adjuvant.
A61K 39/39 - Préparations médicinales contenant des antigènes ou des anticorps caractérisées par les additifs immunostimulants, p.ex. par les adjuvants chimiques
56.
FINITE TIME SPEED CONTROL METHOD FOR PERMANENT MAGNET SYNCHRONOUS MOTOR BASED ON FAST INTEGRAL TERMINAL SLIDING MODE AND DISTURBANCE ESTIMATION
A finite time speed control method for a permanent magnet synchronous motor (PMSM) based on a fast integral terminal sliding mode and disturbance estimation comprises: firstly, determining a mathematical model of a speed loop of the PMSM under the influence of system parameters uncertainty and unknown load torque; secondly, designing an improved fast integral terminal sliding surface on the basis of the idea of terminal sliding mode control; then, proposing a disturbance estimation method based on an adaptive fuzzy system with respect to the disturbance in a PMSM system; designing a PMSM speed controller on this basis; and finally, completing the concrete implementation of the whole technical solution. The present invention designs the fast integral terminal sliding surface and a sliding mode control law to ensure that a motor speed tracking error converges to zero within finite time and enhances the rapidity of a PMSM speed regulating system.
The present invention provides a data fusion and reconstruction method for fine chemical industry safety production based on a virtual knowledge graph. In view of the characteristics of fine chemical industry safety production data, such as a large amount of structured data, a multi-source heterogeneous database and a strong sequential logic, the present invention innovatively proposes a method of using a virtual knowledge graph to complete the fusion and reconstruction of a traditional database for fine chemical industry. The present invention fuses static structured knowledge in the field of fine chemical industry with a real-time dynamic database for chemical industry safety production in the concept of ontologies for the first time to organize time series data in the form of entities. In addition, the mapping rules of the existing OBDA system are improved based on a data set of the present invention.
The present invention belongs to the technical field of signal processing, and relates to an online fast processing method for real-time data based on edge computing. In the present invention, a dynamic online de-noising method is adopted to remove noise contained in speeds to ensure the effectiveness and accuracy of de-noising results; for the displacement integrated online, an efficient method is adopted for dynamic online de-noising to further reduce the effectiveness of drift in the displacement value on final integration results; and under the condition of ensuring the accuracy of an integration method, an integration algorithm is embedded into an edge device to realize fast calculation and analysis of data near a data source and realize dynamic fast integration of online signals based on edge computing, which provides effective references for efficient processing and calculation of data.
F03D 9/25 - Mécanismes moteurs à vent caractérisés par l’appareil entrainé l’appareil étant un générateur électrique
F16L 59/02 - Forme ou configuration de matériaux isolants, avec ou sans revêtement formant un tout avec les matériaux isolants
F01K 3/00 - Ensembles fonctionnels caractérisés par l'emploi d'accumulateurs de vapeur ou de chaleur ou bien de réchauffeurs intermédiaires de vapeur
F01K 3/18 - Ensembles fonctionnels caractérisés par l'emploi d'accumulateurs de vapeur ou de chaleur ou bien de réchauffeurs intermédiaires de vapeur comportant des réchauffeurs
H05B 1/00 - CHAUFFAGE ÉLECTRIQUE; SOURCES LUMINEUSES ÉLECTRIQUES NON PRÉVUES AILLEURS; CIRCUITS POUR SOURCES LUMINEUSES ÉLECTRIQUES, EN GÉNÉRAL - Détails des dispositifs de chauffage électrique
60.
Vibration isolation/damping satellite mount made of chopped carbon fiber reinforced thermoplastic composite material
A vibration isolation/damping satellite mount of a chopped carbon fiber reinforced thermoplastic composite material mainly includes two parts, and the two parts are connected through bolts. Considering the limitation of the molding process, the mount configuration is further optimized, and the mount structure is prepared by using the injection molding process. Furthermore, the vibration isolation/damping satellite mount of the chopped carbon fiber reinforced thermoplastic composite material prepared in the present invention can be used for large loads and complex working conditions, and the connectivity, overall strength stability, vibration isolation performance and service life of the mount all meet the design requirements. The present invention provides an efficient optimization design and manufacturing method for engineering manufacturing of thermoplastic composite materials, and vibration isolation/damping satellite mount manufactured by the method is low in cost, high in practicability and easy to produce on a large scale.
B64G 1/66 - Aménagements ou adaptations d'appareils ou d'instruments, non prévus ailleurs
G06F 30/23 - Optimisation, vérification ou simulation de l’objet conçu utilisant les méthodes des éléments finis [MEF] ou les méthodes à différences finies [MDF]
B64G 1/22 - Parties de véhicules spatiaux ou équipements spécialement destinés à être fixés dans ou sur ces véhicules
61.
A TYPE OF ACOUSTIC ABSORBER COMPOSED OF A MICRO-PERFORATED PLATE AND A SET OF ACOUSTIC FILTERS
The type of acoustic absorber comprises a micro-perforated plate, a cavity behind the micro-perforated plate, a slender and curved main acoustic propagation passage communicating with the cavity, and a set of acoustic filters arranged along the main acoustic propagation passage. These acoustic filters have different cut-off frequencies and are arranged in the order of the cutoff frequencies from high to low from the open end to the closed end of the main acoustic propagation passage. The acoustic filter comprises a section of the main acoustic propagation passage and at least one cavity communicating with the main acoustic propagation passage. The type of acoustic absorber is characterized by adopting a main acoustic propagation passage to provide different phase delay for a micro-perforated plate to realize that a micro-perforated plate effectively absorbs broadband acoustic waves, and by combing the close arrangement of main acoustic propagation passage to achieve the ultra-thin structure.
A portable helical milling unit has a tool, an eccentric spindle, an outer sleeve, a sleeve housing, and a plurality of transmission mechanisms used to provide power. The eccentric spindle is detachably provided in an output section of the outer sleeve. Each of the eccentric spindle and the outer sleeve has a pre-set eccentricity. The tool is in connection with an eccentricity adjustment mechanism. The outer sleeve is installed in the sleeve housing. The outer sleeve is in connection with a first transmission mechanism and a third transmission mechanism. The eccentric spindle is in connection with a second transmission mechanism. All eccentric spindles have the same shape, can be installed in the outer sleeve and can be quickly replaced, so as to achieve precise and large-range adjustment of the eccentricity, thereby expanding the aperture range of processed holes, and improving processing quality and efficiency.
The present invention belongs to the technical field of ocean energy utilization, and provides a test system for turbine comprehensive performance of a pneumatic wave energy converter. The test system for turbine comprehensive performance of the pneumatic wave energy converter comprises a wave surface simulation system, an airflow rectifier system, a turbine device, a tabletop support structure, an instrument support frame and a sensor analysis system. A programmable linear motor is used to drive a bellows to simulate the complex oscillating airflow of the pneumatic wave energy converter; a complete sensor and measurement system is configured for various performance indexes of a turbine system; and finally, an effective technical evaluation means for the power generation efficiency and comprehensive performance evaluation of the pneumatic wave energy converter is provided. The present invention has simple assembly and disassembly technologies and high flexibility.
F03B 11/00 - "MACHINES" OU MACHINES MOTRICES À LIQUIDES - Parties constitutives ou détails non couverts par les groupes ou présentant un intérêt autre que celui visé par ces groupes
An enhanced TL-TCAM lookup-table hardware search engine includes a plurality of enhanced TL-TCAM cell circuits. There are m enhanced TL-TCAM cells circuits connected in parallel to form a sub-segment circuit. The word line WL, match line ML and ML_x of each enhanced TL-TCAM cell circuit in the sub-segment circuit are respectively short-connected together, the match line ML is connected to the drain electrode of an N-type transistor N15, ML_x is connected to the gate electrode of the N-type transistor N15, and the source electrode of the N-type transistor N15 is connected to ground, ML_x is connected to the drain electrode of an N-type transistor N14, the source electrode of the N-type transistor N14 is connected to ground, and the gate electrode of the N-type transistor N14 is connected to the signal line OneX_in-Sement_b, a plurality of sub-segment circuits are connected in parallel to form a word circuit.
G11C 15/04 - Mémoires numériques dans lesquelles l'information, comportant une ou plusieurs parties caractéristiques, est écrite dans la mémoire et dans lesquelles l'information est lue au moyen de la recherche de l'une ou plusieurs de ces parties caractéristique utilisant des éléments semi-conducteurs
G11C 15/00 - Mémoires numériques dans lesquelles l'information, comportant une ou plusieurs parties caractéristiques, est écrite dans la mémoire et dans lesquelles l'information est lue au moyen de la recherche de l'une ou plusieurs de ces parties caractéristique
65.
HOT FORMING METHOD AND DEVICE FOR LARGE-SIZE AIRCRAFT THIN-WALLED PART OF HIGH-STRENGTH ALUMINUM ALLOY
Solution heat treatment is performed on a blank to dissolve initial coarse secondary phases, to obtain a uniform solid solution microstructure. The blank subjected to the solution heat treatment is transferred into the temperature-controllable forming die to be stamped and quenched. During forming, the temperature and the pressure are further maintained for a period of time. The temperature of the forming die is adjusted to a second-step aging temperature for the second-step aging treatment. In a two-step aging temperature range, stress relaxation occurs while strengthening precipitates are rapidly precipitated, thereby improving strength and dimensional accuracy of the formed part. On the premise of ensuring quality of the formed part, employing stepped aging treatment shortens the aging cycle and reduces energy consumption in the production and manufacturing process..
C22F 1/04 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages
C22F 1/00 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid
B21D 22/02 - Estampage utilisant des dispositifs ou outils rigides
66.
ECOLOGICAL REVETMENT FOR REGULATING WANDERING RIVERS
The invention belongs to ecological revetments in the technical field of river ecology, which particularly involves an ecological revetment to regulate wandering rivers. The ecological revetment is composed of porous concrete-piles, ecological connecting-plates, an ecological viewing-corridor and a slope green-belt. The ecological landscape-corridor and anchor rod are placed on the upper and middle parts of the pile structure, respectively. In virtue of the innovative structure, the ecological revetment will strengthen the revetment structure, reduce the revetment settlement, prevent the revetment from moving, and enhance the overall stability of the revetment project. The ecological holes exist on the ecological connecting-plates, which is beneficial to the exchange of material and energy from the river course and the bank slope, and the holes could greatly enhance the self-cleaning capacity of the water body. Not only do the plants on the ecological viewing-corridor provide the habitats for the organisms, but also green the revetment.
The present invention relates to a process method for conformal processing of a cylindrical shell inner weld seam by a special mobile robot, a laser scanner is used to scan a cylindrical shell inner weld seam to obtain point cloud data of a contour of a weld seam area first. Weld seam feature identification is carried out to each generatrix, and misidentified generatrices are filtered out to obtain weld seam left and right boundaries. An ideal weld seam processing contour is generated conformally according to the appearance of the weld seam area, weld seam coarse grinding is carried out after correction and compensation, and weld seam contour information after coarse grinding is obtained by scanning after the coarse grinding is completed. Process parameters of the grinding are controlled according to an actual weld seam contour, and weld seam fine grinding is carried out to obtain a smooth weld seam contour.
The present disclosure provides a method for preparing a self-floating transparent nano ultrathin film. According to the present disclosure, the MXene film layer and the nano ultrathin film layer are sequentially subjected to suction filtration on the substrate material by utilizing a vacuum suction filtration technology, and thus a double-film structure is loaded on the substrate material; then an oxidant is subjected to oxidizing and bubbling on the MXene film layer in a permeation way, and thus the substrate material and the nano ultrathin film layer can be separated in a physical isolating manner. Finally, the nano ultrathin film is completely separated in a liquid phase floating separation manner. The nano ultrathin film prepared by the method provided by the present disclosure has a specific thickness and light transmittance through different loading capacities, and the substrate material can be repeatedly utilized.
B29K 81/00 - Utilisation de polymères contenant dans la chaîne principale uniquement du soufre avec ou sans azote, oxygène ou carbone comme matière de moulage
B29K 1/00 - Utilisation de cellulose, de cellulose modifiée ou de dérivés de cellulose, p.ex. de viscose, comme matière de moulage
69.
RIGID SELF-SUPPORTING MXene SEPARATION MEMBRANE AND PREPARATION METHOD AND USE THEREOF
The present disclosure provides a rigid self-supporting MXene separation membrane and a preparation method and use thereof, belonging to the technical field of membranes. In the present disclosure, a MXene material is mixed with an aluminum salt powder to conduct one-step membrane formation by hot-pressing. The pressure forms the powder into a membrane and imparts rigidity, enabling a self-supporting structure; the heating breaks an ionic bond of an inorganic metal salt to reach a molten ionic state, and free metal cations react with active oxygen-containing functional groups on the surface of the MXene to form new chemical bonds (such as an Al—O bond); such a chemical bond has higher energy, achieving a desirable anti-swelling effect to improve the membrane stability. The separation membrane further has excellent conductivity and hydrophilicity.
B01D 69/02 - Membranes semi-perméables destinées aux procédés ou aux appareils de séparation, caractérisées par leur forme, leur structure ou leurs propriétés; Procédés spécialement adaptés à leur fabrication caractérisées par leurs propriétés
B01D 67/00 - Procédés spécialement adaptés à la fabrication de membranes semi-perméables destinées aux procédés ou aux appareils de séparation
C01B 32/907 - Oxycarbures; Sulfocarbures; Mélange de carbures
A kirigami metamaterial with tunable auxetic property under large tensions and a design method for it. The kirigami metamaterial is composed of a plurality of square unit cells in orderly arrangement. The unit cells are arrayed in periodic, gradient and inhomogeneous layouts, corresponding to the kirigami metamaterials with homogeneous, gradient and inhomogeneous auxetic properties. The design method is as follows: Firstly, the heuristic design of the unit cell is obtained by using the structural optimization method for fully considering out-of-plane deformations. Secondly, the optimization result obtained from the above step is processed by geometric reconstruction and parametric modeling, and then the auxetic properties with different geometric parameters are obtained. Finally, the kirigami metamaterial is composed of a plurality of unit cells arrayed into a specific layout. The present invention can achieve a variety of tunable auxetic trends adjusted with the tensions by modifying the cut parameters.
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
71.
OVERLAPPING AND PROGRESSIVE FORMING METHOD FOR HIGH-PERFORMANCE MULTI-ELEMENT NIAL-BASED ALLOY TUBULAR PART
An overlapping and progressive forming method for a high-performance multi-element NiAl-based alloy tubular part, including: winding continuously flexible substrates of Ni and Al, and alloying coating continuously or selectively along a width direction or a rolling direction to obtain coated flexible substrates; winding continuously the coated flexible substrates on an outer surface of a core roller according to a sequence of Ni above and Al below to form a Ni/Al laminated structure having a plurality of layers with an outermost layer being a Ni layer, and consolidating with ultrasonic with assistance of a pulse current to combine the continuously wound flexible substrates into a laminated tube blank; and placing the laminated tube blank into a mold, applying a pulse current to both ends of the laminated tube blank for hot fluid high-pressure forming, and synthesizing in-situ to prepare the tubular part with assistance of the pulse current.
B21C 47/06 - Enroulement ou bobinage sur ou dans des bobines ou des tambours, sans utiliser de guide mobile avec des rouleaux ou des chevilles d'appui ou des moyens équivalents maintenant le matériau sur la bobine ou le tambour
B21C 47/26 - Dispositions particulières permettant un traitement simultané ou subséquent du matériau
B21C 37/30 - Finition des tubes, p.ex. calibrage, polissage
B21C 37/14 - Fabrication de tubes à partir d'éléments plats en double épaisseur
72.
A HIGH-EFFICIENCY SIMULATION METHOD OF 3D WIND FIELD BASED ON DELAY EFFECT
Determining coordinates and an initial coordinate system of simulation points according to structural drawings, and transforming the coordinate system so that Y axis is parallel to the wind direction, to obtain a 3D model of N structural simulation points; projecting all the simulation points of the 3D model onto a target 2D plane, and transforming the simulation points into projection points on the 2D plane; calculating the delay time of the wind speed, that is, the time required to move from each point to the projection points on the target plane; using a 2D coherence function to consider the spatial correlation of different simulation points in horizontal and vertical directions; generating fluctuating wind speed by using harmony superposition method; and obtaining the wind speed time history of all the points by using the delay time.
A lapping device for gear helix artifact with equal common normal by rolling method, use the rotary table to accurately control the angle between the lapping surface of whetstone and the axis of the base-circle cylinder to control the helix angle of base-circle about the involute helicoid. Use the whetstone driven component to drive the whetstone to make a high-precision linear motion in the vertical direction to adjust the position of the lapping surface of whetstone. The distance between the two lapping surface of whetstone is precisely adjusted by the gauge block to control the processing length of the three tooth common normal of the gear helix artifact. The invention provides a lapping device for gear helix artifact with equal common normal by rolling method, it conforms to the generation principle of the involute helicoid, and there is no machining principle error.
A double-inverse opal photonic crystal resin film is formed by embedding nanospheres in pores of polyacrylate inverse opal framework material and then filling the pores of the double-inverse opal photonic crystal resin film with an ethanol solution with hydrophilic acrylamide dissolved therein followed by photopolymerization to form a polyacrylamide network, so as to obtain the double-inverse opal photonic crystal resin film using water as ink. A mass fraction of hydrophilic acrylamide in the ethanol solution is 2 to 8 wt.%. The resin film can induce water to penetrate into the pores of the double-inverse opal photonic crystal resin film, making the nanospheres in the pores of the inverse opal framework distribute from random to order under the action of buoyancy force, thereby eliminating scattering interference and producing brilliant structural colors by regulating refractive index contrast.
The present invention discloses a design and optimization method based on a self supporting ellipsoidal cavity structure. First, a three-dimensional model with initialized self supporting ellipsoidal cavities is represented by a function; then the structure of the object is analyzed, modeled and optimized by the continuity and differentiability of the function; the internal lightweighting of the model is carried out with the self supporting ellipsoidal cavities, without the need of adding a supporting structure, thus avoiding waste of materials; the intersection of self supporting ellipsoids is strictly controlled to avoid damage to self supportability within the model due to intersection; and finally, the above modeling problem is geometrically optimized to obtain an internal shape of the object optimized under given constraint conditions. The present invention greatly shortens the design and optimization cycle of the hole structure, realizes self supporting for the internal cavities of the model.
The present invention discloses a simulation method for three-dimensional full-space plasma response in EAST tokamak. In numerical simulation of plasma response in an EAST tokamak device, firstly, single frequency waves with different frequencies and amplitudes are selected according to experiment needs, to design waveforms of an external perturbation current field; then selected single frequency current field waveforms are respectively used as driving terms to solve magnetohydrodynamic equations containing an external driving current field to solve the distribution of the single frequency magnetic response signals in a three-dimensional full space; and finally, multiple groups of the single frequency magnetic response signals are superimposed and converted into a time domain space to obtain the three-dimensional full-space distribution of plasma magnetic response signals at any time. The present invention realizes the corresponding full-space distribution of plasma at any time in the process of simulating EAST tokamak discharge experiments, and makes up for the deficiency that the distribution of full-space magnetic signals cannot be obtained by experimental measurement. The present invention has accurate simulation results and strong practicality, and is a stable and efficient numerical simulation method.
The present invention provides a design method of a high energy efficiency Unmanned Aerial Vehicle (UAV) communication system assisted by an intelligent reflecting surface, and belongs to the technical field of UAV communication network energy efficiency optimization. A communication process comprises two transmission links, one link is directly sent from an information source to an information sink, and the other link is reflected and transmitted by an intelligent reflecting surface attached to a UAV. The two links exist simultaneously. Based on an idea of block iteration, an original problem is decomposed into three sub-problems, and a non-convex optimization problem is transformed into solvable concave-convex fractional program problems by a continuous convex approximation technique. The present invention provides a design method for joint optimization of a passive beamforming of the intelligent reflecting surface, an active beamforming of a base station and a flight trajectory of the UAV
A flexible variable frequency ultrasonic therapeutic probe based on thermoacoustic effect of a carbon nanotube film comprises an ultrasonic sound production element, and a heat dissipation layer and an acoustic matching layer located on both sides thereof. The sound production element comprises a carbon nanotube film, metal electrodes and wires, and the shape and size of the sound production element can be adjusted according to the actual functional requirements. When a signal is accessed into the sound production element, the carbon nanotube film produces a corresponding temperature change, which causes the surrounding media to expand and contract and to excite ultrasonic waves. The present invention greatly improves the coupling efficiency between the probe and the subject, reduces the energy loss of ultrasonic waves, and enhances the uniformity of the sound intensity distribution in the affected part.
A61B 8/00 - Diagnostic utilisant des ondes ultrasonores, sonores ou infrasonores
B06B 1/06 - Procédés ou appareils pour produire des vibrations mécaniques de fréquence infrasonore, sonore ou ultrasonore utilisant l'énergie électrique fonctionnant par effet piézo-électrique ou par électrostriction
G10K 11/02 - Impédances acoustiques mécaniques; Adaptation d'impédance, p.ex. au moyen de pavillons; Résonateurs acoustiques
79.
Method for obstacle avoidance in degraded environments of robots based on intrinsic plasticity of SNN
A method for obstacle avoidance in degraded environments of robots based on intrinsic plasticity of an SNN is disclosed. A decision network in a synaptic autonomous learning module takes lidar data, distance from a target point and velocity at a previous moment as state input, and outputs the velocity of left and right wheels of the robot through the autonomous adjustment of the dynamic energy-time threshold, so as to carry out autonomous perception and decision making. The method solves the difficulty of the lack of intrinsic plasticity in the SNN, which leads to the difficulty of adapting to degraded environments due to the homeostasis imbalance of the model, is successfully deployed in mobile robots to maintain a stable trigger rate for autonomous navigation and obstacle avoidance in degraded, disturbed and noisy environments, and has validity and applicability on different degraded scenes.
The present invention belongs to the technical field of knowledge graph, and provides a knowledge graph construction method for an ethylene oxide derivatives production process. According to data types and characteristics, data sources of the ethylene oxide derivatives production process are sorted and divided into three types: structural data, unstructured data and other types of data. An ontology layer and a data layer of a knowledge graph are constructed by combining top-down and bottom-up methods. A data-driven incremental ontology modeling method is proposed to ensure the expandability of the knowledge graph. For structural knowledge extraction, the safety of original data storage is ensured by means of virtual knowledge graph, and a new mapping mechanism is proposed to realize data materialization. For unstructured knowledge extraction, an entity extraction task is realized on the basis of a BERT-BiLSTM-CRF named entity recognition model by integrating a pre-training language model BERT.
G06N 3/042 - Réseaux neuronaux fondés sur la connaissance; Représentations logiques de réseaux neuronaux
G06N 3/0442 - Réseaux récurrents, p.ex. réseaux de Hopfield caractérisés par la présence de mémoire ou de portes, p.ex. mémoire longue à court terme [LSTM] ou unités récurrentes à porte [GRU]
81.
METHOD FOR PRODUCING HETEROGENOUS CANNABICHROMENE FROM SACCHAROMYCES CEREVISIAE
A recombinant host cell capable of biosynthesizing cannabichromenic acid and a construction method thereof, and a method for biosynthesizing cannabichromenic acid through the recombinant host cell. Saccharomyces cerevisiae is taken as a host. First, cannabigerolic acid synthase and cannabichromenic acid synthase are over-expressed in the host; then, a metabolic pathway of a precursor compound, olivetolic acid, synthesizing cannabichromenic acid from saccharides is constructed in the host, a metabolic pathway for hexanoic acid to olivetolic acid is further constructed in the host, an endogenous mevalonate pathway of the host and a metabolic pathway of acetyl-CoA are optimized, cannabichromenic acid synthase is rationally designed, highly active cannabichromenic acid synthase is screened out, and finally, a cannabichromene pathway is located to peroxisomes and lipid droplets by using the cell compartmentalization principle to obtain recombinant Saccharomyces cerevisiae capable of biosynthesizing cannabichromenic acid.
C12P 17/06 - Préparation de composés hétérocycliques comportant O, N, S, Se ou Te comme uniques hétéro-atomes du cycle l'oxygène comme unique hétéro-atome du cycle contenant un hétérocycle à six chaînons, p.ex. fluorescéine
C12N 15/52 - Gènes codant pour des enzymes ou des proenzymes
The present invention belongs to the technical field of wind-induced vibration control study of bridges, and provides a dangling net cloth device for suppressing flutter of a sea-crossing bridge, i.e., a large-area dangling net cloth equipped with multiple balance weights, which is suspended below a girder by ropes and is immersed in water. When wind-induced vibration occurs on a bridge, the device is driven to move in the water, and gravity of the device as well as a huge additional mass force and an additional damping force produced by the water on the net cloth will do negative work on the girder to consume vibration energy of the bridge and effectively suppress large vibration of the bridge. The device adopts lightweight standardized components which are convenient to install, detach, transport, and store, and has the advantages of safety, reliability, economy, and practicality.
The present invention provides a personalized registration method for a template library of anatomical morphology and mechanical properties of materials of bone CT images. In the method, a large number of bone CT images of healthy persons are used to build a statistical model capable of containing anatomical morphology and mechanical properties of materials of bones, the parameterized description of bones of a patient is realized by a personalized registration method for the statistical model and bone CT images, a prosthesis template library is built by using images of the patient and registration parameters, and the template library is matched with the CT images of the patient by the personalized registration method to retrieve template images and prosthesis models similar to the bone conditions of the patient from the template library as the initial reference template for design of personalized prosthesis implants.
G06V 10/77 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant l’intégration et la réduction de données, p.ex. analyse en composantes principales [PCA] ou analyse en composantes indépendantes [ ICA] ou cartes auto-organisatrices [SOM]; Séparation aveugle de source
G06V 10/75 - Appariement de motifs d’image ou de vidéo; Mesures de proximité dans les espaces de caractéristiques utilisant l’analyse de contexte; Sélection des dictionnaires
The present invention discloses a nucleic acids extraction system and method based on a 3D-printed microdevice, and belongs to the technical field of nucleic acids extraction. The nucleic acids extraction system is a monomer 3D-printed microdevice or a 3D-printed microdevice prepared by 3D printing technologies, the monomer 3D-printed microdevice comprises a nucleic acids binding region and a handle region, and the 3D-printed microdevice is composed of more than two monomer 3D-printed microdevices through a joining region; and the nucleic acids binding region is made of photosensitive resin or thermoplastic. An extraction method for the nucleic acids extraction system based on a 3D-printed microdevice is used to bind, clean and elute nucleic acids by moving the monomer 3D-printed microdevice or the 3D-printed microdevice among a solution containing target nucleic acids, a washing buffer and an elution buffer.
The present disclosure relates to the field of semiconductor die etching technologies, and discloses a method for enhancing discharge in a magnetized capacitively coupled radio frequency (CCRF) discharge reactor, including: constructing a magnetized CCRF discharge reactor; and adjusting magnetic induction intensity of the magnetized CCRF discharge reactor, to enable the magnetic induction intensity to meet a relation B=(π·mc)/e·frf, where in the formula, B represents the magnetic induction intensity of the magnetized CCRF discharge reactor, π represents a circumference, mc represents an electron mass, e represents an elementary charge, and frf represents an RF frequency. In the present disclosure, power coupling efficiency can be greatly enhanced, and plasma density can be greatly increased.
A structurally stable composite structural chromogenic material and a preparation method thereof are provided. The structurally stable composite structural chromogenic material is formed by stacking a transparent thermoplastic polymer and a structural chromogenic material layer by layer and then thermally bonding the peripheral edges of the polymer into a whole, and the upper surface layer and the lower surface layer of the material are both thermoplastic polymers. The molded composite structure has relatively obvious structural color and good mechanical strength.
B32B 7/05 - Liaison entre couches les couches n’étant pas liées sur toute la surface, p. ex. liaison discontinue ou par motifs particuliers
B32B 27/08 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique d'une résine synthétique d'une sorte différente
B32B 37/00 - Procédés ou dispositifs pour la stratification, p.ex. par polymérisation ou par liaison à l'aide d'ultrasons
87.
DNA MATRIX PROCESSING METHOD BASED ON COMBINED RESTRICTION DIGESTION MECHANISM
The present disclosure discloses a DNA matrix processing method based on a combined restriction digestion mechanism, including the following steps: constructing a single auxiliary strand-mediated combined restriction digestion mechanism; introducing an auxiliary strand based on the single auxiliary strand-mediated combined restriction digestion mechanism, to obtain a dual auxiliary strands-mediated combined restriction digestion mechanism; and constructing DNA matrix processing and a weighted sum of Boolean matrix multiplication with the dual auxiliary strands-mediated combined restriction digestion mechanism; in which the two auxiliary strands are directly used as elements involved in the matrix processing, and the 2N auxiliary strands are combined into N2 four-pronged restriction digestion structures in the presence of E6 type DNAzymes to cleave N2 substrate strands. Meanwhile, due to high-efficiency catalysis and specific recognition, the E6 type DNAzymes make the matrix processing rapid and accurate.
DALIAN UNIVERSITY OF TECHNOLOGY (Taïwan, Province de Chine)
Inventeur(s)
Song, Xueguan
Lai, Xiaonan
Zou, Yanan
Wang, Xin
He, Xiwang
Zhang, Tianci
Fu, Tao
Sun, Wei
Abrégé
A construction method of digital twin for structure performance of an intelligent excavator. Through the finite element analysis on key parts in the process of the intelligent excavator, the relevant structural mechanics performance is obtained; The important operating states of the key parts of the intelligent excavator in the excavation process are collected, and the key operating data are obtained through data processing and calculation; sensor data and an artificial intelligence algorithm are fused, and the structure performance of the parts of the intelligent excavator under multiple unknown working conditions is predicated by using a prediction model; and finally, the performance data information is modeled and rendered by computer graphics technology, to obtain a digital twin of the structure performance display of the intelligent excavator is obtained, thereby realizing digital twin mapping of the performance information on key parts of the intelligent excavator in the excavation process.
G05D 1/00 - Commande de la position, du cap, de l'altitude ou de l'attitude des véhicules terrestres, aquatiques, aériens ou spatiaux, p.ex. pilote automatique
G06F 30/23 - Optimisation, vérification ou simulation de l’objet conçu utilisant les méthodes des éléments finis [MEF] ou les méthodes à différences finies [MDF]
The present invention provides a long-term mooring device. A support frame is provided on a dock. The dock is provided with a free guide roller. The free guide roller is wound with a cable. An upper end of the cable is horizontally connected to a spring fixed on a lower side of a cross arm of the support frame, through a free guide roller provided on the lower side of the cross arm of the support frame (corresponding to the free guide roller on the dock). The middle of the cable penetrates through an inertial induction self-locking connection joint fixed on an end of a platform arm. The platform arm is fixed on a platform. The present invention provides an omnidirectional restoring force for the moored platform through the elastic deformation of the springs to control the movement response of the platform within a certain range.
The present invention belongs to the technical field of 3D reconstruction in the field of computer vision, and provides a dataset generation method for self-supervised learning scene point cloud completion based on panoramas. Pairs of incomplete point cloud and target point cloud with RGB information and normal information can be generated by taking RGB panoramas, depth panoramas and normal panoramas in the same view as input for constructing a self-supervised learning dataset for training of the scene point cloud completion network. The key points of the present invention are occlusion prediction and equirectangular projection based on view conversion, and processing of the stripe problem and point-to-point occlusion problem during conversion. The method of the present invention includes simplification of the collection mode of the point cloud data in a real scene; occlusion prediction idea of view conversion; and design of view selection strategy.
The present invention provides a string-type mooring system. A support frame is provided on a dock. Two free guide rollers are provided at vertical corresponding positions that are respectively below a cross arm of the support frame and above the dock. The two free guide rollers are respectively wound with a cable. One end of each cable is connected to a platform arm fixed on a platform, and the other end thereof is horizontally connected with one end of a spring. The other ends of the two springs are respectively connected with a hydraulic device. The present invention provides an omnidirectional restoring force for the moored platform through the elastic deformation of the springs to control the movement response of the platform within a certain range. The present invention can adjust the slow change of the vertical position of the platform caused by tidal fluctuation.
A vulcanizing agent is added during the processing of a polymer, and can form a crosslinking structure network in the polymer, thereby improving the mechanical properties of the material. Furthermore, the crosslinking agent can also de-crosslink the polymer material at a high temperature, and after being cooled, same can be crosslinked again to produce a network structure, thus endowing the polymer material with thermoplasticity for repeated processing.
B29C 48/00 - Moulage par extrusion, c. à d. en exprimant la matière à mouler dans une matrice ou une filière qui lui donne la forme désirée; Appareils à cet effet
B29C 48/40 - Moyens pour plastifier ou homogénéiser la matière à mouler ou pour la forcer dans la filière ou la matrice utilisant des vis entourées par un fourreau coopérant, p.ex. des extrudeuses à vis simple utilisant au moins deux vis parallèles, p.ex. extrudeuses à vis doubles
93.
Image encryption method based on improved class boosting scheme
The present invention discloses an image encryption method based on an improved class boosting scheme, which comprises the following steps: acquiring parameters of a hyperchaotic system according to plaintext image information; generating weights required by class perceptron networks through the plain text image information; bringing the parameters into the hyperchaotic system to obtain chaotic sequences, and shuffling the chaotic sequences by a shuffling algorithm; pre-processing the chaotic sequences after shuffling to obtain a sequence required by encryption: and bringing a plaintext image and the sequence into an improved class boosting scheme to obtain a ciphertext image, wherein the improved class boosting scheme is realized based on the class perception networks. The method solves the problems that update and prediction functions in an original boosting network are too simple and easy to predict or the like, so as to obtain the ciphertext image with higher information entropy.
H04L 9/00 - Dispositions pour les communications secrètes ou protégées; Protocoles réseaux de sécurité
H04L 9/06 - Dispositions pour les communications secrètes ou protégées; Protocoles réseaux de sécurité l'appareil de chiffrement utilisant des registres à décalage ou des mémoires pour le codage par blocs, p.ex. système DES
94.
IMAGE ENCRYPTION METHOD BASED ON MULTI-SCALE COMPRESSED SENSING AND MARKOV MODEL
The present disclosure discloses an image encryption method based on multi-scale compressed sensing and a Markov model. According to the difference in information carried by low-frequency coefficients and high-frequency coefficients of an image, different sampling rates are set for the low-frequency coefficients and the high-frequency coefficients of the image, which can effectively improve the reconstruction quality of a decrypted image. The decrypted image obtained by the present disclosure has higher quality than the decrypted image generated by the existing scheme, and a better visual effect and more complete original image information can be obtained.
The present invention provides a semi-active vibration absorption and energy dissipation control system for restraining vortex-induced vibration of bridges. It has the advantages and characteristics that: (1) springs are horizontally placed at the bottom of a beam, and lengths are not limited, so that the frequency requirement of a low-frequency target can be satisfied; (2) different target frequencies can be realized through different combinations of a plurality of springs connected in series and in parallel, so that multi-order vortex-induced vibration control needs are satisfied; (3) the springs made of fiber reinforced nylon materials are adopted, and are notched, so that a frequency implementation range can be greatly widened; (4) the material and the form of a mass body are not limited, and a water bag can be used, which has low cost and is convenient for disassembly, assembly and mass adjustment.
F16F 15/067 - 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 avec ressorts métalliques utilisant uniquement des ressorts enroulés
96.
FORMING METHOD OF DEEP CAVITY THIN-WALLED METAL COMPONENT WITH EXTREMELY SMALL FILLET RADIUS
A forming method of a deep cavity thin-walled metal component with extremely small fillet radius is provided. In the forming method of a deep cavity thin-walled metal component with extremely small fillet radius, a global cavity is formed by deep drawing by means of a rigid die, an extremely small fillet is formed by means of a extrusion/pushing die, so that the deep drawing process is independent of the extremely small fillet forming process, and the problems of wrinkling, cracking and the like in the process of forming the two simultaneously are avoided. Thus, the problem that the extremely small fillet is difficult or impossible to form can be solved.
A two-dimensionality detection method for industrial control system attacks: collecting data; transmitting the data to a PLC and an embedded attack detection system; uploading, by the PLC, received data to an SCADA system; transmitting, by the SCADA system, the data to the embedded attack detection system after classifying and counting the data; before starting detection, directly reading, by the embedded attack detection system, the data measured by sensors; refining data association relationships and probability distribution characteristics of the sensors of normal operation to complete storage of health data model; after starting detection, in first dimensionality, comparing the data collected directly by the sensors with statistical data of the SCADA system to judge the attacked condition of the SCADA system, and in second dimensionality, comparing the characteristics of the data collected directly by the sensors and counted online with the health data model to judge the attacked condition of the sensors.
Laser additive manufacturing and a method for preparing thin-walled preforms by laser metal deposition and follow-up rolling. This can solve the problems that when the existing laser metal deposition technology prepares the thin-walled preforms, the limit width size of a molten pool at high power affects the forming wall thickness of the preforms so that it is difficult to prepare preforms with wall thickness less than 2 mm, and the problems of poor surface quality and low accuracy of preforms due to convex and concave peaks caused by the interlayer overlapping, but also can solve the problems that a laser beam with a preset trajectory cannot act on the end surfaces of the preforms due to preform deformation caused by residual stress in a printing process so that the preforms cannot be continuously formed.
The present invention relates to a disinfection device of door handle being rotational and transpositional, the composition is as follows: a plurality of door handles are provided, which are respectively in the states of “to be used”, “in disinfection”, “in disinfection post-treatment” and/or “in ready”; and the door handle transposition shaft is driven by the rotary driving device of door handle transposition shaft to rotate counterclockwise, thus to complete synchronous rotation of the door handles and realize transposition operation. The use, disinfection and disinfection post-treatment of the door handles of the present invention are carried out synchronously, which can meet the requirements of immediate use of the door handles and safety to the users; the transposition of the door handles is implemented by the pure mechanical driving device; the door handles automatically rotates for transposition after a door opening and closing, therefore “disinfection after each use” is realized.
E05B 1/00 - Boutons ou poignées pour battants; Boutons, poignées ou boutons à pression pour serrures ou clenches sur battants
A61L 2/10 - Procédés ou appareils de désinfection ou de stérilisation de matériaux ou d'objets autres que les denrées alimentaires ou les lentilles de contact; Accessoires à cet effet utilisant des phénomènes physiques des radiations des ultraviolets
100.
Structure multi-dimensional loading test system considering real complex boundary conditions
A structure multi-dimensional loading test system considering real complex boundary conditions considering real complex boundary conditions comprises a main part of machine, a base part, a hydraulic power supply and a control system. The system can simulate the load borne by a structure in a real working environment better and more accurately, realize multi-dimensional loading of the structure with six degrees of freedom in space and provide more real and valuable experimental data for the research on damage of reinforced concrete materials, components and structures under the action of an earthquake, and the research results will help researchers further reveal the damage mechanism of reinforced concrete structures, put forward the corresponding damage criteria and develop the corresponding seismic design methods.
G01N 3/10 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique par application d'efforts permanents de traction ou de compression engendrés par pression pneumatique ou hydraulique