expression and purification

• 表达与纯化

expression and purification的用法和样例：

例句

1. Separation and purification of a highly effective emulsified viscosity reducer were performed.
   采取一系列分离方法对一种高效乳化降粘剂进行分离与纯化。
2. Preliminary Extraction and Purification of Anticoagulant Component From Morus alba L.
   桑叶中抗凝血活性成分的初步分离与纯化。