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[期刊论文] 作者:Tian Yujiao Qin Zhihong Li Bao,
来源:矿业科学技术学报:英文版 年份:2012
Tongting coal(TTC) was exhaustively extracted with carbon disulfide and N-melthy-2-pyrolidinone(CS 2 /NMP) mixed solvents to afford brown particles of extract,w...
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