英语语法分析

Method: the single constituents were separated by the methods of phytochemistry.

方法：运用天然药物化学的分离精制方法进行单体化合物的分离。

Our company is a phytochemistry enterprise that specializes in R&D, manufacture and export.

陕西巨集达植物化工有限公司是一家集研发、生产、自营出口于一体的植提企业。

OBJECTIVE: To study the phytochemistry of Pteris semipinnata L. (PSL), and antitumor action of its active constituents and active fraction.

目的：半边旗的植化研究及其有效部位和有效成分的杭种瘤活性研究。