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煤化作用是煤田地质学的基础理论问题之一,现在公认温度是促进煤化作用的主要因素,压力只在褐煤阶段的早期起作用,随着煤化作用的提高,增加压力还会延迟煤化作用的进行,时间因素对煤化作用的影响还有不少异议。
Coalification is one of the basic theoretical issues of coalfield geology. It is now recognized that temperature is the main factor to promote coalification. Pressure only acts in the early stage of lignite. With the increase of coalification, increasing the pressure will delay the progress of coalification There are many objections to the influence of time on coalification.