1. The extraction process of nucleoprotein and protamine from freshwater fish spermary was studied. 研究淡水鱼精巢中的核蛋白和鱼精蛋白的提取工艺。
2. Better conservation methods and a focus on fresh fossils could boost DNA extraction from more delicate specimens. 更好的保护方法和对新化石的关注可以帮助我们从更脆弱的标本中提取 DNA 。
3. Community members may reside temporarily in one of the lower zones to manage the extraction of products unavailable in the homeland. 社区成员可以暂时居住在一个较低的区域,以管理在本土无法获得的产品的提取。
4. Her real father was of Italian extraction. 她的生父是意大利裔。
5. Petroleum engineers plan and manage the extraction of oil. 石油工程师们规划并管理石油的提炼。