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2024
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Invention
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Digital twin utility tunnel system based on reduced-order simulation model and real-time calibrat... |
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Invention
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Grouting and water blocking method for directional hole with large offset in hard rock stratum. D... |
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Invention
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Directional drilling method for branching borehole with short radius and system. A directional dr... |
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Invention
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Three-dimensional image, electronic device and storage medium. A method and an apparatus for augm... |
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Invention
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Device and method for evaluating damage to surrounding rock porous structure due to high-temperat... |
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Invention
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Rock burst active prevention and control mechanism. A rock burst active prevention and control me... |
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Invention
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Method for repairing aquifer in coal mine area. Disclosed is a method for repairing an aquifer in... |
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Invention
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Method and device for determining development status of separation layer of coal mine. Disclosed ... |
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Invention
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Directional drilling device and drilling method of aquifer remediation of coal seam roof. A curva... |
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2023
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Invention
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Efficient blasting method for similar cutting in rock tunnel. An efficient blasting method for si... |
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Invention
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Tracer diffusion device, system for tracing development of water conducting fracture zone and rel... |
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Invention
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Method for blocking mine water inrush. A method for blocking mine water inrush includes: grouting... |
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Invention
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Test table for monitoring operating state of coal caving mechanism, and use of test table. The pr... |
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Invention
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System and method for sensing and controlling relative position between coal caving mechanism and... |
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Invention
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Method for recovering lead, antimony and tin from complex lead-antimony hazardous waste material.... |
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Invention
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Arsenic-sulfur separation method for arsenic-tin-lead-zinc-antimony polymetallic ore. An arsenic-... |
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Invention
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Marmatite and jamesonite flotation method . A marmatite and jamesonite flotation method, comprisi... |
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Invention
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Self-cage-breaking anti-seepage agent and anti-seepage method. A self-cage-breaking anti-seepage ... |
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Invention
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Full-field quantification method for complex discontinuous structure stress field, and experiment... |
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2022
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Invention
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Noble metal-transition metal-based nano-catalyst thin film and preparation method thereof.
The p... |
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Invention
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Large-deformation and constant-resistance support grouting anchor cable. A large-deformation and ... |
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Invention
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Method for acquiring dynamic evolution information of displacement field and strain field inside ... |
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Invention
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Pressure-preserving conventional triaxial compression loading apparatus and method for performing... |
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Invention
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Filling bag and sealing method for drilled hole for detection in three zones of overburden. A sea... |
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Invention
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Ecological reconstructed sponge structure of strip mine dump and application of the same. An ecol... |
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Invention
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Aerial seeding bioremediation method for coal mining subsidence area.
An aerial seeding bioremed... |
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Invention
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Slide valve type hydraulic reversing valve having special sealing valve core structure. A slide v... |
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2021
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Invention
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System and method for testing stress strain of porous rock under fluid-solid coupling effects. Di... |
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Invention
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Device and method for active measurement of cross-fault interface newton force in shale gas minin... |
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Invention
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Npr anchor rod monitoring and control system and method for rock slope collapse disaster. Provide... |
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Invention
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Method for automatically picking up seismic velocity based on depth learning.
A method for autom... |
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Invention
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Fluidized coal mining method for implementing co2 underground storage.
A fluidized coal mining m... |
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Invention
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Fluidized coal mining method for implementing co2 underground storage. 222222 is realized, thereb... |
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Invention
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Fluidized coal mining method for implementing co2 underground storage. Disclosed is a fluidized c... |
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Invention
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Pseudo-triaxial pressure-maintaining loading device and method for performing pseudo-triaxial pre... |
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Invention
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Intelligent position sensing system based on spatial three-dimensional model image matching. The ... |
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Invention
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Mining method without coal pillars with roof-cutting and roadway retaining. A mining method is pr... |
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Invention
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Three-dimensional ventilation method and system for mining by 110 construction method in coal and... |
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Invention
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Vertical ventilation method and system for coal and gas outburst mining using 110 mining method. ... |
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Invention
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Roof-cutting tunnel-retaining no-pillar mining method. A roof-cutting tunnel-retaining no-pillar ... |
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2020
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Invention
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Magnetic suspension local ventilator for mining. A magnetic suspension local ventilator for minin... |
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Invention
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Experimental platform for measuring coal spontaneous combustion characteristic parameters. An exp... |
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Invention
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Visualization system and method for multiphase fluids displacement experiment with large viscosit... |
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Invention
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Experiment visualization system and method for multiphase large-viscosity-difference fluid displa... |
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Invention
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Experimental method and system for simulating evolution of reservoir fracture stress field. An ex... |
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Invention
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Experimental method and system for simulating evolution of fracturing stress field of reservoir. ... |
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Invention
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Surrounding rock stability control method adapted for coal mining area main roadway.
The present... |
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Invention
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Method of no-pillar mining with gob-entry retaining adapted for fully-mechanized top coal caving ... |
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2018
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Invention
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Automatic coal mining machine and fluidized coal mining method. An automatic coal mining machine ... |
