The procedures of some typical vapor-liquidequilibrium calculations of petroleum fractions based upon spline techniques are given in the paper with good agreement with laboratory data.
提出了基于样条函数技术对石油馏份所作的若干种典型汽液平衡计算步骤，并给出了令人满意的数值计算结果。
2
In this paper expressions for activity coefficients of dilute solutions are derived, which are suitable for working equations for vaporliquidequilibrium measurements by gas chromatography.
针对稀溶液的相平衡的特点，提出了适用于气液色谱法测定模型的稀溶液活度系数表达式。
3
These parameters can be recommended for the purpose of practical vaporliquidequilibrium calculations over the wide range from low pressure to ordinary pressure.