2023
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Invention
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Roadway surrounding rock stress state detection method based on three-dimensional potential respo... |
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Invention
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2 in partitioned sections. 222222 gas may be achieved. |
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Invention
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Fly ash-based fire-prevention and extinguishing material with carbon dioxide mineralized and stor... |
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Invention
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Cooperative control method for multi-channel braking system of mine hoist. A cooperative control ... |
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Invention
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Method for regulating quality of oil derived from plastic wastes by supercritical hydrothermal li... |
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Invention
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Liquid explosive for in-situ explosive fracturing in low-permeability oilfields and application t... |
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Invention
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Method and system for simulating contact and interaction between support member and chamber surro... |
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Invention
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Method and system for reducing discharge fluctuation of spirally conveying materials for weightle... |
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Invention
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Mine underground fracturing and proppant injection integrated apparatus and construction method. ... |
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Invention
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High-entropy alloy-based nano super-hard composite material reinforced by embedded particles, and... |
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Invention
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Grouting material for modifying mudstone, preparation method and application thereof. Disclosed a... |
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Invention
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Single-layer shaft lining with joint sealing structure and grouting system and its construction m... |
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Invention
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Single-layer well wall having jointed water-stop structure and grouting system, and construction ... |
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Invention
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Separating density forecasting method and forecasting model construction method and device. A sep... |
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Invention
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Method for improving monitoring capability of borehole-surface micro-seismic monitoring system.
... |
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Invention
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Ellipsoidal hollow floor system-based airflow flow construction method and airflow loss-based cal... |
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Invention
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Mine stress field twin modeling assimilation system for full space-time mining process, and metho... |
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Invention
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Mine digital model construction method based on three-dimensional point cloud database. The prese... |
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Invention
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Control method for composite metal ions in solid waste landfill. A control method for composite m... |
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Invention
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Method for controlling composite metal ions in solid waste dump. The present invention discloses ... |
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Invention
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Whole size-fraction sorting pre-enrichment system and process for coal-series co-associated miner... |
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Invention
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Full-particle fraction sorting and pre-enrichment process for coal-based co-associated mineral ge... |
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Invention
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Method for determining mercury and arsenic in briquettes based on atomic fluorescence spectrometr... |
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Invention
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Passive combined indoor positioning system and method based on intelligent terminal sensor.
The ... |
2022
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Invention
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Axial magnetic flux switch reluctance electric motor with full-pitch winding, and multi-objective... |
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Invention
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Winding switching type switched reluctance motor power circuit and control method therefor. The p... |
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Invention
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Axial flux switched reluctance motor having wide and narrow stator poles, and control method ther... |
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Invention
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Online soft measurement method for clean coal ash content during lump coal shallow trough sorting... |
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Invention
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Massive data-driven method for automatically locating mine microseismic source.
Disclosed is a m... |
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Invention
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Method for analyzing and predicting the main fracture orientation of mining face based on microse... |
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Invention
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Boring machine structure achieving front support, and working method. A boring machine structure ... |
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Invention
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Method for extracting and recovering gold from aqueous solution. A method for extracting and reco... |
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Invention
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Method for extracting and recovering gold from aqueous solution.
The present disclosure provides... |
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Invention
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Electromagnetic probe transmitter system suitable for deep earth probe, and control method theref... |
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Invention
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Time service and positioning network system for underground chain-shaped large space in coal mine... |
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Invention
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High-precision positioning system for underground monorail hoist in coal mine and positioning met... |
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Invention
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Hoisting wire rope tension measurement method based on visual vibration frequency identification.... |
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Invention
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Tunnel boring robot and automatic cutting control method. Disclosed is a tunnel boring robot, com... |
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Invention
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Timing and positioning network system for coal mine underground chain-shaped large space. Disclos... |
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Invention
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High-precision positioning system and positioning method for coal-mine underground monorail crane... |
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Invention
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Low-energy-consumption grading and positioning method for coal mine auxiliary transportation vehi... |
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Invention
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Series-parallel monorail hoist based on oil-electric hybrid power and controlling method thereof.... |
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Invention
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Slope and curve passage method for unmanned rail electric locomotive in deep limited space. Discl... |
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Invention
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Multipoint synchronous braking control system for monorail crane, and use method therefor. Disclo... |
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Invention
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Monorail crane brake shoe lost motion time detection device and detection method thereof. A monor... |
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Invention
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Attitude self-correcting underground transportation apparatus based on uwb technology and control... |
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Invention
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Industrial process soft sensor method based on federated stochastic configuration network.
Provi... |
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Invention
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Variable-range valve leakage detection device. A variable-range valve leakage detection device co... |
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Invention
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Hoist for transferred materials in underground auxiliary transportation system and method thereof... |
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Invention
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Automatic driving system of monorail hoist driven based on digital twin and method thereof.
The ... |