;It is the unsolidified sediment consisting of disordered kaolinite and small amount organic matter and lignite materials.
常含少量有
质或与褐煤矿层等
。
It is the unsolidified sediment consisting of disordered kaolinite and small amount organic matter and lignite materials.
常含少量有质或与褐煤矿层等。
In this study a series of different maturation degree coals are yielded by thermally treating a lowgrade lignite, and are used as the sorbents for sorption equilibrium study of phenanthrene.
云南先锋褐煤采用热模拟的实验方法制得一组成熟度不同的煤,并煤中的干酪根用于对菲的吸附研究。
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