英语语法分析

OBJECTIVE To study and improve the synthesis of liposome excipient phosphatidyl ethanolamine.

目的研究并改进脂质体辅料磷脂酰乙醇胺的合成工艺。

By this mechanism, new phosphatides containing the fatty acids of phosphatidyl choline may be prepared.

根据这个原理，可以制备含有磷脂胆堿脂肪酸的新磷脂。

OBJECTIVE:In this paper, we discussed the protective effect of phosphatidyl choline(PC) on peroxide damage in mice.

前言： 目的：研究磷脂酰胆碱对小鼠过氧化损伤的保护作用。