英语语法分析

Conversely, sucralfate had no antisecretory action.

硫糖铝无抑酸作用。

Objective: To study the effect and mechanism constipation caused from sucralfate.

前言：目的：研究硫糖铝的致便秘作用及其作用机制。

Objective: To prepare the dispersible tablets of compound sucralfate and evaluate their quality.

目的：制备复方硫糖铝分散片并对其质量进行评价。