This article describes the experiment of the toxicity testing for the mixture of Permethrin? Dtrans allethrin, and Tetramethrin on, and explained the theory and method for mixture of drug.
本文介绍了二氯苯醚菊酯、富右旋丙烯菊酯和胺菊酯混剂对家蝇的毒力测定方法 ，复配杀虫剂的原理与方法。
2
We study the property of D-conharmonic transformation and obtain that the D-conharmonic trans- formation is actually the identity transformation.
研究了D-共调和变换，证得D-共调和变换事实上就是恒等变换。
3
Trans-9,10-dehydroepothilone C and D, analogs thereof and methods of making the same.