primary isolation

• 提取

primary isolation的用法和样例：

例句

1. Technology for extraction and isolation of curcumin from Curcuma longa L.
   姜黄中姜黄素的提取及分离工艺研究。
2. Studies on the extraction and isolation and antivirus effect of chemical constituents in Morus alba L.
   桑白皮抗病毒有效成分的提取分离及体外抗病毒活性研究。