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2025
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Invention
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Chemically end-capped polypiperazine pyrophosphate-modified ammonium polyphosphate with high temp... |
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Invention
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Chemically end-capped melamine pyrophosphate with high temperature resistance and precipitation r... |
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2024
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Invention
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Downhole extraction pipeline blockage clearing system. A downhole extraction pipeline blockage cl... |
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Invention
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Downhole extraction pipeline blockage clearing apparatus. The present invention relates to a down... |
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Invention
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Chemically-endcapped melamine polyphosphate having high temperature resistance and leaching resis... |
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Invention
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Chemical end-capped polypiperazine pyrophosphate-modified ammonium polyphosphate with high temper... |
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Invention
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Rotation angle control and braking apparatus for power head of directional drilling rig. A rotati... |
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Invention
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Natural-fission-based multi-disaster fusion early warning method and system for coal mine. The pr... |
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Invention
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Directional drilling rig power head. A directional drilling rig power head, relating to the techn... |
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Invention
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Connecting rod-synchronized mechanical gripper. A connecting rod-synchronized mechanical gripper,... |
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Invention
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Coal mine rubber-tyred vehicle auxiliary transport roadway accumulated dust cleaning robot. The p... |
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Invention
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Coal mine rubber-tyred vehicle auxiliary transport roadway accumulated dust cleaning system. A co... |
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2023
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Invention
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A method of mine disaster tracing based on knowledge graph.
The present invention discloses a mi... |
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Invention
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Mine disaster tracing method based on knowledge graph. The present invention relates to the field... |
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Invention
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Method and apparatus for regionalized coal mine methane drainage in deep hole. Disclosed is an ap... |
