direct extraction method 直接萃取法
direct extraction of serum DNA 直接法提取DNA技术
direct extraction sampling 直接抽取采样
expansion-direct extraction 膨化一次浸出
direct extraction procedures 直接提取法
direct extraction by methanol 甲醇一步提取法
heating type direct extraction 加热式直接抽取法
Enzyme use in rapeseed direct extraction technology was studied.
对菜籽酶法直接浸出工艺进行了研究。
The process of alkyl naphthalene preparation by alkylation, acylation and direct extraction are also discussed.
讨论了烷基化、 酰基化和直接提取制备烷基萘的工艺路线。
It is considered that use of direct extraction technology for recovery of low-grade mineral resources is the trend of The Times and broad in prospects.
认为采用湿法浸出直接提取技术回收低品位矿产资源是大势所趋，前景广阔。
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