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Updated: Jun 10, 2025

A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System
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通过可控制的冲击波裂变在低透性煤层中增强气体提取的建模

Hao Sun1, Chaojun Fan1, Lei Yang2

  • 1College of Mining, Liaoning Technical University, Fuxin, 123000, China.

Scientific reports
|October 15, 2024
PubMed
概括

控制式冲击波 (CSW) 断裂增强了煤层的透性,改善了气体的提取. 这项研究模拟了CSW破裂,证明了其在提高气体提取效率和降低煤层气压力和含量的有效性.

关键词:
可控制的冲击波可以控制.气体开采 气体开采 气体开采低透性的煤层.数字模拟 数字模拟提高透性的增强剂

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Quarrying of Stone01:15

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Quarrying is the process of extracting stone from a quarry, where specialized techniques are employed to remove large blocks of stone safely and efficiently. This process can involve controlled explosions or more precision-oriented methods such as cutting and drilling.
One common method involves using a diamond belt saw to cut large blocks from the quarry face. These blocks can be about 50 feet long and 12 feet high. After the initial vertical cut, drilling is performed at the base of the...
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