在各提取物中氯仿提取物活性最强。

The chloroform extract was the most active.

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不久它被氯仿所代替。

It was soon replaced by chloroform.

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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.

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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.

youdao