separation and purity

• 分离纯化

separation and purity的用法和样例：

例句

1. Application and Purification of the Antivirus of Penicillin sp.
   一类新型抑病毒菌素的分离纯化与应用。
2. Separation and purification of lycopene by column chromatogram were studied.
   采用柱层析法分离纯化番茄红素。