This paper reviews the main achievements and conclusions in research of coal chemical structure and characteristics in solvent refining processes in the world.
本文简要介绍了国内外对煤的化学结构，及其在溶剂精炼工艺中的特性研究的主要成果和结论。
Porous structure characteristics of coal in outburst zone was studied by pressurized mercury method and CO2 absorption method.
用压汞法和CO2吸附法对突出区煤的孔隙结构特征进行了研究。
In view of characteristics of composition and structure of coal gangue, in this paper a series of analysis and research on activation of coal gangue have been made.
鉴于煤矸石的组成和结构等特性，本文力图从煤矸石的活性激发着手，对其进行了一系列的分析研究。
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