The relationship between microlithotype and the distribution of cleat in coal bed is discussed through a case from Hedong coalfield, combining microstratigraphy and statistics methods.
摘要综合利用显微地和方法,以河东田中北部8#,研究了显微岩类型与裂隙分布的关系。
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Thus were formed those immense coalfields, which nevertheless, are not inexhaustible, and which three centuries at the present accelerated rate of consumption will exhaust unless the industrial world will devise a remedy.
这样就形成那些巨大的煤田,然而,这些煤田并不是取之不尽用之不竭的,而且按照目前加速的消费速度, 三个世纪之后, 除非工业世界能够想出补救办法, 否则这些煤田将会耗尽。