The average molecular weight, critical state parameters and acentric factor of the two kinds of coal liquids were calculated as details.

• 本论文还根据以上基本性质详细计算了神华煤和胜利煤液化油各窄沸点馏分的平均分子量、临界性质和偏心因子。 计算平均分子量考察了七种关联式，推荐采用Gray推荐式等三种关联式。