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前言煤中瓦斯的形成、保存与迁移是一个复杂过程的几个部份,有时产生不同的结果。即或是相邻矿井,同一煤层内的瓦斯含量和甲烷涌出量都有很大不同。在煤矿井下,特别是煤层完整地区,控制甲烷需要有煤的最大的瓦斯含量、实际瓦斯含量、影响甲烷涌出的因素等等这些方面的基本知识。作为甲烷控制综合计划的一部分,矿业局开展了煤层瓦斯成份及甲烷与其它气体的形成方面的研究。
Preface The formation, preservation and relocation of methane in coal are parts of a complex process that sometimes produce different results. That is to say, the gas content and the methane emission in the same coal seam are very different in adjacent mines. In coal mines, especially in the coal seam integrity area, methane control requires the basics of maximum coal content, actual gas content, factors affecting methane emission, and so on. As part of a comprehensive methane control program, Mines conducted research on coal seam gas composition and the formation of methane and other gases.