Progress on vapor-liquid equilibria in complex systems by cubic EOS,PHCT and the group contribution type EOS is reviewed,and the deviation of application for each equation are discussed.

• 本文综述了近年来计算复杂体系汽液相平衡的立方型状态方程、扰动硬链理论(PHCT)及基团贡献型状态方程的进展情况,并对每一方程的适用范围和偏差情况进行了讨论。