英语语法分析

Results: The purity of neferine prepared according to this method was 98.85%.

结果该方法得到的甲基莲心碱的纯度达到了98.85%。

Objective: To investigate the preparation of the reference material of neferine.

前言：目的制备甲基莲心碱对照品。

It was suggested that neferine had effects of decreasing blood pressure as well as an...

此结果表明甲基莲心碱具有降压与抗血小板聚集和血栓形成的双重作用。