impurity mobility

例句：

1. 1. The study of impurity mobility is crucial for understanding thebehavior of pollutants in aqueous systems.
   研究杂质迁移率对于理解污染物在水系统中的行为至关重要。
2. 2. The impurity mobility of the sample was measured usinga high-resolution mass spectrometer.
   使用高分辨率质谱仪测量了样品的杂质迁移率。
3. 3. The impurity mobility of thematerial can be affected by factorssuch as temperature and pressure.
   材料的杂质迁移率可能受到温度和压力等因素的影响。