sample pre-preparation

• 样品前处理

sample pre-preparation的用法和样例：

例句

1. This review is focused on the advances in sample pretreatment technique coupled to capillary electrophoresis.
   作者对毛细管电泳与样品前处理联用技术的研究进展进行了综述，以期对相关的研究工作提供参考。
2. The cold receptor was designed as an exchangeable part to avoid the cross interferences from one sample to another one.
   本文用组合蒸馏技术研制了一套用于气相色谱分析的样品前处理装置。