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CN45 patents
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Barium slag-modified aluminate quick-hardening special cementing material and preparation method thereof
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Self drilling pressure simulation test device and method for formation containing natural gas hydrate
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Method and apparatus for monitoring the interaction between surrounding rocks and TBM in TBM tunneling process
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Multi-probe nuclear magnetic resonance rock soil in-situ monitoring method
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Rock hollow cylinder torsional shear apparatus
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Ring shear and seepage-coupled apparatus and ring shear and seepage-coupled test system for rock and rock fracture under tension or compression stress
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Hard-shell inclusion strain gauge and high frequency real-time monitoring system for 3D stress in surrounding rockmass of underground engineering
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Device, system and method for triaxial compression test with/without jacket by gas confining pressure on rock
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Static cone penetration test device and test method incorporating hyperspectral imaging technology
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Multi-scale photoacoustic detection method of geological structure around borehole and related devices
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Large-space high-temperature and high-pressure true triaxial flexible loading device
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Deformation and control simulation test system for tunnel engineering supporting structure
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Modified montmorillonite self-repairing agent and preparation method and use thereof
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Method for determining a performance of an unsaturated subgrade of a multi-layered expressway section and processing device thereof
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Method and equipment for transformation of point cloud coordinates of structure plane of deep-buried tunnel based on target device
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Intelligent frequency reading method applicable to low-temperature environment and wireless vibrating wire acquisition instrument
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Multiphase flow cylindrical model test system and test method
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Flexible gastight material for landfill site, and preparation method and use method thereof
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In-situ vapor injection thermal desorption device
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Multi-probe multi-frequency nuclear magnetic resonance rock soil in-situ monitoring system
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Testing device and method for interface mechanical parameters of hydrated soil containing natural gas
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Portable in-situ gas pressure measuring device for shallow gas-bearing stratum and measuring method thereof
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Automatic microseismic monitoring-intelligent rockburst early warning integrated system and method for tunnel boring machine (TBM)-based construction
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Physical simulation experiment system for vapor-liquid multiphase seepage in underground gas storage facility in depleted gas reservoir
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Preparation and application of in-situ high efficient degradation carbon based materials of VOCs in landfill based on waste recycling
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Rock high-stress high-temperature micro-nano indentation test system
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Heat collection bag, device and method for solidifying and filling calcium sand foundation
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Dual channel nondestructive testing method for rock bolt and related devices
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Device and method for measuring dynamic evolution of three-dimensional disturbed stress under mining disturbance
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Combined rock-breaking TBM tunneling method in complex strata for realizing three-way force detection
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Specimen preparation method for eliminating membrane penetration effect on highly-weathered rock
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Lidar-based convergence deformation monitoring system for surrounding rock around TBM shield region
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System and method for testing rock fracture under vacuum and extreme-temperature condition
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Fiber grating sensor, strain monitoring method and system for a surrounding rock of a deep roadway
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Quantitative assessment method, apparatus, and device for global stability of surrounding rocks of underground caverns
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Method for determining three-dimensional in-situ stress based on displacement measurement of borehole wall
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Device for storing electrical energy of salt cavern flow battery
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Liquid taking device and liquid taking method
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Safety early warning method and device for full-section tunneling of tunnel featuring dynamic water and weak surrounding rock
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Vibrating wire stress gauge and stress testing equipment suitable for use in low temperature environments
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Mounting device and method of tandem-type rock mass three-dimensional disturbance stress sensor
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Stereoscopic identification method and apparatus for disturbance stress evolution process of underground cave surrounding rock
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Device and method for health diagnosis of subgrade service performance
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Sensing-acquisition-wireless transmission integrated microseismic monitoring system and method
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Recyclable sand-consolidated anchor head prestressed anchor, anchorage jack and its application method
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