n.[农药]除虫菊;除虫菊杀虫剂
网络 除虫菊属; 除虫菊酯; 白花除虫菊
Feverfew and pyrethrum are used in insecticides.
小白菊和红花除虫菊可用来制杀虫剂。
To evaluate the immune toxicity of natural pyrethrum.
目的检测天然除虫菊酯的免疫毒性。
This article draws up the pyrethrum ester insecticide.
本品是拟除虫菊酯类杀虫剂。
The output of some export crops, notably cashews, cotton, and pyrethrum, fell drastically.
有几种出口农作物,特别是腰果、棉花和除虫菊的产量大幅度下降。
The paper introduced the principle , the test conditions and the operation steps of drying the pyrethrum flower ;
本文主要介绍了除虫菊鲜花的真空冷冻干燥技术的原理、条件和操作步骤。