丝炭（fusain）色黑易染手，硬度小，矿化后硬度加大。丝炭的轮廓清楚，易于辨认，比其他三种煤岩组分的挥发分和氢含量低，碳含量高，不粘结。
misc. mother of coal
... mother-daughterrelationship母子体关系 mother-of-coal丝炭 mother-sourcerock原始生油岩 ...
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液化试验结果表明，镜煤的油收率和转化率都要高于丝炭。
The liquefaction experiment results showed that the oil production rate and conversion rate of the vitrain would be higher than the fusain.
结果表明：焦炭中的破片、类丝炭来源于煤中的用性组分。
It is found that the inert of coke comes from inert macerals of coal.
镜煤和丝炭的液化水产率非常接近，其部分原因归因于二者所含的羟基强度近似相等。
The liquefied water production rate of the vitrain and fusain would be approximately equal and due to the partial reason, the hydroxyl strength of the vitrain and fusain would be approximately same.
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