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从分子缔合的粘滞球模型出发，导出了同时含有自缔合和交叉缔合时亥氏函数的贡献，交叉缔合参数可由自缔合参数计算。常压和高压下二元缔合流体混合物汽液平衡的关联结果令人满意。
Based on the molecular associative viscous sphere model, the contributions of both the self-associative and cross-associative Hei’s functions are derived. The cross-correlation parameters can be calculated by self-association parameters. The correlation between vapor-liquid equilibrium of the binary fluid mixture at atmospheric pressure and high pressure is satisfactory.