the liquefaction experiment results showed that the oil production rate and conversion rate of the vitrain would be higher than the fusain.
液化试验结果表明,镜煤的油收率和转化率都要高于丝炭。
analysis of structure between vitrain and fusain x-ray diffraction analysis
镜煤与丝炭结构的X射线衍射初步分析
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