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AU2021100103A4
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Method for Determining Staggered Distance of Simultaneous Mining Face of Shallow-Buried Coal Seam Group Based on Pressure-Stabilizing Arrangement
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CN112253194A
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Support device and method for grouting anchor rod cable
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CN112196536A
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Method for determining advancing speed of rock burst mine coal face based on mining dynamics
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CN112213010A
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Temperature compensation type optical fiber pressure sensor and stress calculation method thereof
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Intelligent fire fighting helmet based on mobile communication and facing to high-rise building fire
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CN112156384A
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High-rise quick escape and fire rescue device
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CN112147057A
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Experimental device for observing thermal performance and structural damage of liquid nitrogen injected coal body
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CN112260576A
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Single crystal splicing method for annular ultrasonic motor
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CN112211657A
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Method for intelligently judging closing of coal discharge port of top coal caving hydraulic support
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CN112288765A
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Image processing method for vehicle-mounted infrared pedestrian detection and tracking
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CN112288652A
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PSO optimization-based guide filtering-Retinex low-illumination image enhancement method
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Method for detecting foreign matters on belt surface of underground belt conveyor
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CN112197884A
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Experimental device and method for measuring temperature of loose medium based on acoustic method
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CN112155295A
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Portable humidifying sun-proof umbrella and use method thereof
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CN112287813A
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Intelligent ferrographic image identification method based on deep belief network
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CN112288000A
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Intelligent ferrographic image identification method based on support vector machine
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CN112096449A
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Coal mine goaf paste strip grouting combined filling mining method
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CN112145146A
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Method for exploring inclined columnar danger source in kerosene overlapping area
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CN112081558A
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Coal underground gasification and coalbed methane collaborative mining method, structure and construction method
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CN112186190A
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High-voltage lithium ion battery
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