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2024
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Invention
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Mof-derived nitrogen cobalt heterogeneous nanobox electrocatalyst, preparation method therefor, a... |
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Invention
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Ferrocenyl-doped mof-derived metal carbide electrocatalyst, preparation method therefor and use t... |
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2023
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Invention
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Test system and method for measuring efficiency of underground coal gasification.
The present di... |
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Invention
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Drying furnace device of gasifier capable of automatically adjusting temperature.
A drying furna... |
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Invention
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Belt conveyor belt replacement device and replacement process thereof. A belt conveyor belt repla... |
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Invention
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Magnetic suspension carrier roller device. Disclosed is a magnetic suspension carrier roller devi... |
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Invention
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Test system and method for measuring underground coal gasification efficiency. Provided in the pr... |
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Invention
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Gasification furnace drying furnace device capable of automatically adjusting temperature. Disclo... |
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Invention
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Research and test system for influencing factors of rock breaking and cuttings removal efficiency... |
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Invention
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Step-by-step paired and up-down reciprocating combined fishway and fish passage method.
Disclose... |
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Invention
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Stepped, paired vertically reciprocating combined type fishway and fish passage method. Disclosed... |
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Invention
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Nickel-carbon composite and preparation method and use thereof.
Wave-absorbing materials in the ... |
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Invention
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Nickel-carbon composite material, and preparation method therefor and use thereof. A nickel-carbo... |
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2022
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Invention
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Polyvinyl chloride polymer heat stabilizer, preparation method therefor and use thereof, composit... |
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Invention
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Method for monitoring and supporting surrounding rock of stoping roadway. A method for monitoring... |
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Invention
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Optical fiber sensing system, method and apparatus for simultaneously measuring temperature, stra... |
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2021
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Invention
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Method for preparation of 2,5-dimethylphenol by selective catalytic conversion of lignin. The pre... |
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Invention
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Catalyst and method for preparation of 2-ethoxyphenol by catalytic depolymerization of lignin. Th... |
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2020
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Invention
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Rake-free thickening device including driving area. Disclosed is a rake-free thickening device in... |
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Invention
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Multi-stage sedimentation rake-free thickening device. Disclosed is a multi-stage sedimentation r... |
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Invention
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Foam material for fire prevention and extinguishing and a preparation method and a use thereof. T... |
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2019
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Invention
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Hydraulic perforation unmanned gas extraction method. Disclosed is a hydraulic perforation unmann... |
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Invention
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Grouting reinforcement method for ground drilling to coal seam broken roof, and grouting apparatu... |
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2018
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Invention
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Artificial ground freezing experimental device and experimental method for dynamically acquiring ... |
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2017
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Invention
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System for monitoring ground pre-grouting of newly-built deep vertical shaft of colliery under th... |
