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英汉例句

\ diflubenzuron的例句（diflubenzuron在句子中的用法）

diflubenzuron的例句（diflubenzuron在句子中的用法）

The separation and determination of the primary impurities of diflubenzuron by liquid chromatography were carried out. 通过反相液相色谱方法往甲醇与水的混合流动相中加入适当调节剂,分离和测定除虫脲原药中的主要杂质.
The method was established for purification of diflubenzuron by crystal technique with mixed solvents. 本文论述了利用混合溶剂——结晶法提纯除虫脲的分析技术.

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