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- The effects of 4 pyrethroids insecticides and methomyl are ... 4种拟除虫菊酯类杀虫剂及灭多威对该虫效果差。
- synthetic pyrethroid insecticide 拟除虫菊除虫菊酯杀虫剂
- fiuorin-containing pyrethroid insecticide 含氟拟除虫菊酯
- In China,pyrethroid insecticides were forbidden to apply in rice field. 但是,在中国一直被禁止应用于水田害虫防治。
- Synthetic pyrethroid insecticides is the third largest class of insecticides.The residue of this kind of insecticides has become one of the most dominant insecticide residues in farm produce. 摘要拟除虫菊酯类农药是杀虫剂中的第三大类，这类农药残留己成为目前农产品中的主要农药残留类型之一。
- Abstract： Dichlorochrysanthemate is the important intermediate of pyrethroid insecticides. 摘 要： 二氯菊酯是拟除虫菊酯杀虫剂的重要中间体。
- To minimise the detrimental effect to non-target living organisms, we choose synthetic pyrethroid insecticides which generate less hazards to human beings. 为尽量减轻对非目标生物的影响,本署选用对人类危害较少的合成除虫菊脂杀虫剂。
- Cyfluthrin and cypermethrin among 7 pyrethroid insecticides possess the highest selective toxicity for the aphid to the ladybird, the STRs are 55.16 and 30.00, respectively. 7种菊酯类杀虫剂中以氟氯氰菊酯和氯氰菊酯的选择性最高，其选择性毒力比值分别为55.;16和30
- Therefore, it is an ideal and widely used material in drug design of the heterocyclic and polypeptides drugs and pesticide such as pyrethrum and pyrethroid insecticides. 环丙烷还是药物设计中的“明星”分子，很多杂环药物、多肽类生物药物及农用杀虫剂(如天然除虫菊素和拟除虫菊酯类杀虫剂)的分子中都能见到它的身影。
- Following removal from the market of organochlorine insecticides, certain organophosphorus and synthetic pyrethroid insecticides have become the chemicals of choice for preventive termite control. 摘要在有机氯杀虫剂退出市场之后，有机磷和拟除虫菊酯类杀虫剂中的一些产品成为白蚁预防性药剂的首选。
- The airplane dusted the crops with an insecticide. 飞机给农作物撒农药。
- Pyrethroid insecticides have been widely used in control of housefly,Musca domestica.Resistance to these insecticides has been evolved in various housefly populations around the world. 拟除虫菊酯的广泛使用使家蝇普遍产生了抗药性,为有效的控制家蝇的危害,需要了解家蝇对轮换或新杀虫剂的交互抗性状况。
- Pyrethroid insecticides applied to the company's agricultural and health fields, namely, DE Series (Health with pyrethroid series) and the DV Series (agricultural pyrethroid series). 公司的拟除虫菊酯杀虫剂应用于农用和卫生两个领域，即DE系列(卫生用拟除虫菊酯系列)和DV系列(农用拟除虫菊酯系列)。
- pyrethroid insecticides poisoning 拟除虫菊酯类杀虫药中毒
- The gardener sprayed insecticide on the flowers. 那园丁给花喷洒了杀虫剂。
- Synthetic pyrethroid insecticides 拟除虫菊酯
- The plant began making Rogor insecticide in 1960. 这工厂在1960年开始制造罗格尔杀虫剂。
- The farmers dusted crops with an insecticide. 农民们给作物喷洒杀虫剂。
- The insecticide will kill off the insect pests. 这情形剂可消灭害虫。
- An aeroplane was used to dust insecticide. 使用了一架飞机来喷洒杀虫剂。
