Methods The efficiency of purification was employed as standard, and the different menstruum dosage was studied.

方法以提取率为指标，分别对不同溶媒量进行研究。

youdao

Methods The efficiency of purification was employed as standard, and the different menstruum dosage was studied.

方法以提取率为指标，分别对不同溶媒量进行研究。

youdao