The method of enzyme-solvent extraction process for ginkgo biloba leaves was studied.
研究了酶法与溶剂提取相结合提取银杏叶中活性成分银杏黄酮的工艺条件。
In this paper, the superiority of solvent extraction process for furfural separation is emphasized and distribution coefficients of 31 solvents are compared.
本文介绍了溶剂萃取法分离糠醛的优越性，比较了31种溶剂对糠醛水溶液的分配系数。
The characteristics and applications of complexation extraction process, duel solvent extraction process, membrane extraction process and extraction displacement process are discussed.
综述了有机废水的络合萃取、双溶剂萃取、膜萃取和萃取置换等工艺过程的特点及应用。
Methods. Solvent-extraction process was carried out on extracting the eugenol of the leaves. the content of the eugenol was studied by GC.
方法：利用溶剂提取的方法对木樨科丁香叶中的丁香酚进行提取，采用气相色谱对丁香酚进行含量测定。
Methods. Solvent-extraction process was carried out on extracting the eugenol of the leaves. the content of the eugenol was studied by GC.
方法：利用溶剂提取的方法对木樨科丁香叶中的丁香酚进行提取，采用气相色谱对丁香酚进行含量测定。
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