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。
The mechanism of diflubenzuron and its application in control of forest pests were introduced, so as to provide reference for the utilization of diflubenzuron.
介绍了灭幼脲的作用机理，总结了其农林业害虫防治上的应用情况，以期为灭幼脲的应用提供参考。
The mechanism of diflubenzuron and its application in control of forest pests were introduced, so as to provide reference for the utilization of diflubenzuron.
介绍了灭幼脲的作用机理，总结了其农林业害虫防治上的应用情况，以期为灭幼脲的应用提供参考。
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