摘要 本文利用表征分子特性的拓扑指标3ξ,关联二元溶液活度系数。得出: 1.v_i=l_n (θ_i)/(sum from j=1 to 2(1/j)θ_j x_j)+1-(θ_i)/(sum from j=1 to 2(1/j)θ_j x_j)+K[((θ_x)≠i)/(sum from j=1 to 2(1/j)θ_j x_j)]~2 ·θ_i/RT K为通过实验确定的参数。利用上式,计算了27种二元低共熔物系的固液平衡(t-x)关系,得到令人满意的结果。
Abstract：
The activity coefficients of binary solutions have been correlated with topologicalindex~3ξ characteristic of a molecule. The resulting equation is Where and It is a Paramneter determined by experiment. With the above equation, the solid--liquid equilibria (t--x) of 27 binary eutectic systems have been calculated with the satisfactory results.
Tan Qiu;Jin Ke-Xin;Xie Chao-Gang Tian jin University, Department of Chemical Engineering.Studies of Solid-Liguid Eguilibria-Correlation of Activity Coefficient with Topalogical Index[J]. Chemcial Industry and Engineering, 1989,6(2): 13-19
1989, Vol. 6 
