查询词典 pesticide

Nerve agents such as Sarin, Tabun and Soman are parts of organic phosphorus esters to which organophosphorus pesticide belong.

神经性毒剂沙林、塔崩、梭曼与有机磷类农药敌敌畏等同属于有机磷酸酯类化合物。

Objective To study impact of pesticide use on sprayers health and the factors affecting productive poisoning.

探讨农药使用所致农药中毒的相关因素及对喷洒员健康的影响。

Selected several kinds of classical humic and fulvic acids molecular model, interacted with metal iconand Simazine of organic pesticide molecule, drawed up its two-dimensional molecular structure modelusing Hyperchem software and converted the two-dimensional drawjings into three-dimensional chemicalmodels and performed a geometry optimization calculation.

选取几种经典的胡敏酸和富里酸模型，使其与金属离子和西玛嗪分子作用，将生成的结合物利用HyperChem软件绘制二维分子结构模型，然后将其进行三维转换和结构优化。

Oxime ethers are very important active compoudes, and many of them are used as insecticide, fungicide, herbicide and so on. Further more, oxime ethers group is often used in new pesticide discovery because of their high biological activities and their good environmental profiles.

肟醚类化合物也是一类重要的活性化合物，它具有很好的杀虫、杀螨、杀菌、除草、解毒、增效等生物活性，大多具有高效、低毒、低残留等优点，因此在新农药的创制中常被选为有效的活性基团。

In search of novel pesticide leading compound with high bioactivity,thirty-five 4-chloro- phenyl methyl ketone oxime ether derivatives were designed and synthesized by the reaction of 2-substituted amino 4-chloro phenyl methyl ketone oxime with halohydrocarbon.

为寻找高活性的新农药化合物，通过2-取代氨基-1-对氯苯乙酮-1-肟与卤代烃反应，设计并合成了35个对氯苯乙酮肟醚衍生物，其结构均经核磁共振氢谱和元素分析确证。

In order to provide a theoretical and practical basis for application of radiation technology in controlling pesticide in food, the irradiation degradation effect and radiolysis products toxicity of chlorpyrifos and cypermethrin were studied.

探讨Y射线辐射对毒死蜱和氯氰菊酯的辐解效果及产物毒性，为辐射技术用于控制食品中的农药残留提供理论及实践依据。

Objective To establish a method for simultaneous determination of kelthane and pyrethroid pesticide residues in water.

目的 建立同时测定水中三氯杀螨醇和7种拟除虫菊酯的气相色谱测定方法。

Objective: To establish a method for detecting 15 kinds of organochlorines and 8 kinds of pyrethroid pesticide multiresidues in vegetable foods and products.

目的：建立蔬菜及其制品中15种有机氯农药和8种拟除虫菊酯类农药的残留气相色谱分析方法。

The method is simple and accurate, sensitive and applicable for simultaneous determination of 8 kinds of pyrethroid pesticide residues in edible fungi.

本方法简便准确，灵敏度高，适用于食用菌中8种菊酯类农药残留的同时测定。

The method is satisfied with the determination demands of organochlorine and pyrethroid pesticide multi-residues for tea samples.

结论］该方法满足茶叶中有机氯和拟除虫菊酯农药残留分析的要求。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。