利用FRKS立方状态方程和改进的LL混合规则，拟合二元系超额体积的实验数据，得到二元参数。
The FRKS equation of state and the improved LL mixing rule were used to correlate excess volumes of binary mixture to gain binary parameters.
利用F函数改进的立方状态方程—FRKS方程，并在二元互作用函数中引入压力项因子，对高压下二元系的超额体积进行拟合。
The FRKS equation of state and the improved LL mixing rule were used to correlate excess volumes of binary mixture to gain binary parameters.
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