查询词典 insecticides

That would be welcome, Leal says, because spraying insecticides is controversial.

利尔说，这种蚊子诱捕器将会受到欢迎，因为喷洒杀虫剂来灭蚊是有争议的。

Bt cotton and corn may affect natural enemies indirectly by decreasing the population of lepidopteran insects that serve as hosts of parasitoids or predators. Population densities of predators in Bt fields were significantly higher than those in non-Bt fields treated with insecticides for control of target pests.

杀虫剂用量的减少，降低了对天敌的杀伤力，Bt田中捕食性天敌的种类和数量均显著高于常规施药田；但Bt田内靶标害虫数量的减少和质量的降低，在一定程度上影响了寄生性天敌的种类和数量。

Relapsing fever is much more common in developingcountries, where it is more difficultto obtain insecticides such as lindane.

复发性发烧是更为常见的在发展中国家，这是更难以取得杀虫剂如林丹。

Lindane is another type of insecticide although it is a lot stronger than other insecticides and has neurotoxin chemicals so it needs to be used carefully.

林丹是另一种类型的杀虫剂，虽然这是很多比其他杀虫剂，并已神经毒素的化学品，因此需要加以审慎使用。

We applied continuous cultivation of ditch water microorganisms with and without FB, an organism capable of hydrolyzing a variety of organophosphorus insecticides, to study the effect of competitive interaction under different macroelement limitations on this organism.

们申请了垄沟水微生物的连续的耕种与和没有FB，有机体能水解各种各样的organophosphorus 杀虫药，学习竞争互作用的作用在不同的macroelement 局限之下在这个有机体。

Objective To test toxicities of several insecticides on susceptible strains of Musca domestica and Blattella germanica in the laboratory.

目的研究室内条件下，几种杀虫剂对家蝇及德国小蠊敏感品系的毒力。

However the variation of the Musca domestica acetylcholinesterase gene and the relationship of insensitivity to insecticides in various populations have not been explored in-depth.

然而家蝇乙酰胆碱酯酶基因多态性在不同家蝇抗性品系中的分布及与抗性谱的关系还没有得到充分探究。

It should be stressed however that any non-poisonous plant becomes toxic for a certain time after insecticides have been applied.

一些参考文献表明在食用它们还可以帮助我们解渴，不过一些无毒植物变得有毒有可能石由于喷洒了一定的杀毒剂引起。

This paper outlines the present situation,development and application of microbial insecticides at home and abroad.

综述了国内外微生物杀虫剂的研究、应用情况，展望了其发展前景。

"Arsenic pentoxide (As2O5) is also used in insecticides, herbicides, metal adhesives, and pigments ."

五氧化二砷(AS2O5)是杀虫剂、除草剂以及金属黏合剂的主要成分。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。