fractionation factor

例句：

1. 1. The process of fractionation requires precise control over the temperature and pressure conditions.
   分馏过程需要精确控制温度和压力条件。
2. 2. The fractionation factor is a crucial parameter in determining the purity of a compound.
   分馏因子是决定化合物纯度的关键参数。
3. 3. During the fractionation process, the sample is separated into different fractions based on their solubilityproperties.
   在分馏过程中，样品根据其溶解性质被分离成不同的部分。