煤层注水是指在开采之前利用钻孔向煤层注入压力水。预先湿润煤体，可以降低煤尘生成量。将水均匀地注入煤体，其水分达4%以上，可以防止突出发生。水改变了煤的力学性质，使应力分布均匀化，弹性能释放速度变小，功率降低，沼气排放速度降低，比初放时可降低90%。
... pattern water-flooding 面积注水 water-flooding coal seam 煤层注水 separated layer water-flooding 分层注水 ...
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... coagulant removal tank 絮凝除油罐 coal seam water injection 煤层注水 coal-in-oil suspension 煤在油中悬浮液 ...
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... coal seam gas-bearing capacity ==> 煤层瓦斯含量 coal seam infusion ==> 煤层注水 coal seam methane content ==> 煤层瓦斯含量 ...
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The difficulty grade of coal seam affusion is affected by many factors. Distill the attributes parameters according to the factors.
煤层注水难易性受多种因素影响,根据其影响因素,从中提取特征参数,从原始数据出发,引入粗糙集理论,将其运用在煤层注水难易程度诊断的特征参数优化中。
参考来源 - 粗糙集在煤层注水难易程度诊断中的应用Coal seam water infusion scope, wetness degree and distributing appearance are the key index which measures the result is good or not, and acts as the important basis that adjusts water infusion parameters.
煤层注水后的湿润范围、湿润程度及湿润的分布状态是衡量注水效果的关键指标,是调整注水参数的重要依据。
参考来源 - 煤层注水湿润半径的数值模拟研究·2,447,543篇论文数据，部分数据来源于NoteExpress
对煤层注水的水分蒸发现象进行了研究；
The phenomenon of water vaporization during infusing water into coal seam was studied.
煤层注水是防治冲击地压的一种主要措施。
In-seam water infusion is a major measure for prevention of rock burst.
阐述了煤层注水机理，它是注水压力、毛细管力和分子扩散的综合作用结果；
This paper describes the mechanism of the coal seam infusion:it is the synthetical result of the pressure of infusion, the capillary dint and the numerator pervasion.
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