pyrethrin

常见例句

It is mainly pyrethrin (pyrethroid) with 50 percent in the insecticides.
它们多属拟除虫菊酯类农药,占总数的50%25;
A synthetic clear or amber - colored viscous insecticide, C19H26O3, similar to pyrethrin.
丙烯除虫菊酯一种合成的透明或琥珀色粘性杀虫剂，C19H26O3，与除虫菊酯相似
A synthetic clear or amber-colored viscous insecticide, C19H26O3, similar to pyrethrin.
丙烯除虫菊酯一种合成的透明或琥珀色粘性杀虫剂，c19h26o3，与除虫菊酯相似
A synthetic clear or amber - colored viscous insecticide,C19H26O3,similar to pyrethrin.
为了纪念结婚三周年，马克给妻子买了一条琥珀项链。
Pyrethrin is a leader, the future will be the coverage of debugging, weeding, sterilization of the three series of integrated pesticide companies.
公司是除虫菊酯的龙头，未来将成为覆盖除虫、除草、杀菌三大系列的综合性农药公司。
Abstract: In the conventional analysis of pyrethrin residues,the extractions are treated for purification by method of abstraction for many times.
中文摘要: 报道了一种蔬菜拟除虫菊酯类农药残留量的简便分析法。