N a type of coal occurring as horizontal glassy bands of a nonsoiling friable material 镜煤
The paper had a coal water mixture test with vitrain coal, bright coal and dull coal from Ningtiaota coal in Shenfu mining area.
选择神府矿区柠条塔煤中的镜煤、亮煤和暗煤进行了制水煤浆试验。
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。
Vitrinite and inertinite were formed distinct peat swamp environment as main origin of vitrain and fusain, which was essential reason for liquefaction properties.
镜质组和惰质组分别作为镜煤和丝炭的主要物源，形成于截然不同的泥炭沼泽环境，致使结构和性质差异大。
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