Based onthe molecular QCLC model, a group contribution quasi-chemical local composition model is proposed, in which polar molecule is divided into several non-polar functional groups.
本文在前文的分子模型基础上，提出了似化学局部组成的基团模型，可用于极性分子混合物申组分活度系数的预测。
A local composition activity coefficient model was proposed and applied to calculate the wax precipitation from crude oil. The calculation result was compared with that of the regular solution model.
将局部组成活度系数模型用于复杂石油流体中石蜡沉淀量的计算，并与正规溶液理论模型进行了比较。
A local composition activity coefficient model was proposed and applied to calculate the wax precipitation from crude oil. The calculation result was compared with that of the regular solution model.
将局部组成活度系数模型用于复杂石油流体中石蜡沉淀量的计算，并与正规溶液理论模型进行了比较。
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