查询词典 insecticides

Some organic insecticides are natural, such as rotenone, pyrethrins, and nicotine. Others are synthetic, such as chlorinated hydrocarbon s (e.g., DDT, dieldrin, lindane); carbamates, related to urea (e.g., carbaryl, carbofuran); and parathions, organic phosphorus esters.

有机的杀虫剂可能是天然的，如鱼藤酮、除虫菊和尼古丁；或是合成的，如氯代烃类(例如，滴滴涕、狄氏剂、林丹)、氨基甲酸酯，与尿素有关(如氨基甲醯、灭多虫和卡甲喃)、巴拉松、有机磷酸盐。

"Cinerin:Either of two compounds, CHO or CHO, used in insecticides."

瓜菊酯：CHO和CHO两种化合物中的任一种，用作杀虫剂。

Lepidoptera: Plutellidae, has become a major pest on vegetable crucifers due to its overlapping generations, high reproductive rate and high ability to develop resistance to insecticides, especially hi tropical and subtropical regions.

小菜蛾分布广，在热带和亚热带地区世代重叠严重，繁殖力高，对杀虫剂易产生抗性，已成为十字花科蔬菜上的一种主要害虫。

The susceptibilities of the 3th instar larvae of Spodoptera litura fed on diets treated with nicotine and rutin to AucaNPV, fipronil and spinosad were studied. The activities of CarE and GSTs in different treated cutworms were also tested. The results showed that the nicotine enhanced significantly the susceptibility of Spodoptera litura to insecticides, and the susceptibility enhanced as the nicotine concentration in the diets increased.

以在人工饲料中添加植物次生物质的方法，研究了取食不同含量烟碱、芸香苷的斜纹夜蛾Spodoptera litura 3龄幼虫对银纹夜蛾核多角体病毒、氟虫腈及多杀菌素的敏感性，同时测定了各处理组幼虫体内羧酸酯酶和谷胱甘肽转移酶的活性。

ALA is known to have prospective applications in herbicides, insecticides, defoliants and growth regulators. Also the applications of ALA in agriculture, medicine and organic synthesis are introduced.

介绍了ALA在农业领域作为无公害绿色除草剂、杀虫剂、落叶剂、植物生长调节剂等的应用，及其在医学领域和有机合成中的应用。

Some organic insecticides are natural, such as rotenone, pyrethrins, and nicotine. Others are synthetic, such as chlorinated hydrocarbons (e.g., DDT, dieldrin, lindane); carbamates, related to urea (e.g., carbaryl, carbofuran); and parathions, organic phosphorus esters.

有机的杀虫剂可能是天然的，如鱼藤酮、除虫菊和尼古丁；或是合成的，如氯代烃类(例如，滴滴涕、狄氏剂、林丹)、氨基甲酸酯，与尿素有关(如氨基甲醯、灭多虫和卡甲喃)、巴拉松、有机磷酸盐。

An oily,colorless liquid,CCl3NO2,used as a lung irritant in poison gas and in dyestuffs, disinfectant s,insecticides,and soil fumigants.

三氯硝基甲烷一种油性、无色的液体，CCl3NO2，在毒气中用作肺刺激物，并用于染料、杀菌剂、杀虫剂和土壤熏剂

Those used to apply insecticides and fungicides.

二申请使用的杀虫剂、杀菌剂。

More pesticides, fungicides and insecticides were detected in women than in men, and in older adults rather than younger people.

更多的杀虫剂，杀菌剂和杀虫剂被发现女性比男性，并在老年人，而不是年轻的人。

At present, there are 3 series more than 20 species pesticide obtained certificate, including four germicides, three aerosols, fifteen insecticides.

目前，公司已拥有农药获证产品三大系列二十多种产品，其中杀菌剂四个、烟雾剂三个、杀虫剂十五个。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。