能够根据给定的操作压力和温度，对化工工艺中的甲烷-戊烷吸收体系进行摩尔分数以及密度进行计算，得到相平衡数据-According to a given operating pressure and temperature, the chemical process of methane- n-pentane mole fraction of the absorption system, as well as to calculate the density, the phase equilibrium data