英语语法分析

Dimethylpyrazine reacted with phenylacetic acid, silver nitrate and ammonium persulfate.

二甲基吡嗪与苯乙酸，硝酸银和过硫酸铵反应。

The objective is to establish a quantitative method for determining the content of saponin G2 and ammonium glycyrrhizinate in Glycyrrhiza uralensis.

目的是建立测定甘草药材中甘草皂苷 G2 和甘草酸铵含量的方法。

Ammonium nitrate and powdered aluminum.

硝酸铵加铝粉。