The method of little amount material DNA extraction was improved in some degree.
改良的小量法提取DNA，可快速、经济的提取高质量的DNA。
The method of DNA extraction was explored.
摸索了大白菜dna的提取方法。
Objective: to study the extraction method of total DNA of Fructus Corni.
前言：目的：研究山茱萸叶总dna的提取方法。
Objective: Study on extraction of plasmid DNA with phenol-chloroform from clone.
目的：对用酚-氯仿直接从克隆中提取质粒dna的方法进行了研究。
Objective: Study on extraction of plasmid DNA with phenol-chloroform from clone.
目的：对用酚-氯仿直接从克隆中提取质粒dna的方法进行了研究。
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