英语语法分析

Objective: To determine emodin and chrysophanol in Zhouchewan pills.

目的：测定舟车丸中大黄素和大黄酚含量。

Objective: To determine the quantity of emodin in Paidu Yangyan Capsule.

目的：测定排毒养颜胶囊中大黄素的含量。

The contents of Polydatin and Emodin of Huzhang tablet are measured by UV.

采用紫外分光光度法测定虎杖片中白藜芦醇甙和大黄素的含量。