The results show that the CS2 extracts of Yima coal mainly consist of aliphatic hydrocarbons,aromatic hydrocarbons and heteroatom-containing compounds.

• 结果表明:萃取物主要由脂肪烃、芳烃和杂原子化合物三类成分组成。其中脂肪烃以正构烷烃为主,另有部分三环萜和五环萜类化合物;