英语语法分析

This paper introduced the preparation of emamectin benzoate 5% WG.

本文介绍了5％ WG 苯甲酸酯类的制备方法。

Under this conditions, the yield of propyl benzoate reached 70.5%.

上述条件下，苯甲酸丙酯的产率可达70.5%。

The fluorescence of tryptophan residue in BSA was quenched by benzoate.

白蛋白中色氨酸残基的荧光被苯甲酸钠淬灭。