Twelve derivates of S-tetrazine including three of 1,6-dihydro-S-tetrazines prepared recently were screened by pesticide activity.

对12个S四嗪衍生物,包括3个新合成的1,6二氢S四嗪衍生物,除草、杀菌、杀虫活性进行筛选。

The pesticide was spread over the vegetable plot.

菜田里农药。

Organohalogen compounds, or OHCs, include dioxins, polychlorinated biphenyls and some pesticides.

有机卤化物，或称OHC，包含戴奥辛、多氯联苯及数种杀虫剂。

The toxicity effect of 6 carbamic ester pesticides on Anabaena flos-aquae was studied.

以水华鱼腥藻为材料研究6种氨基甲酸酯类农药对藻类的毒性效应。

Male workers were made permanently sterile by this pesticide.

这种杀虫剂得男性工人终生不育。

There is a lot of concern over the amount of herbicides and pesticides used in farming.

人们对农业灭草剂和杀虫剂的量非常担忧。

Objective:To determine the pesticide hexachlorocyclohexane(BHC),dich lorodiphenyl trichloroethane(DDT)and pentachloronitrobenzene(PCNB)contents in home-planted Hedyotis diffusa Willd.

检测家种白花蛇舌草中六六六(BHC)、滴滴(DDT)、五氯硝基苯(PCNB)的残留量。

The purpose of bleaching is to wipe off some pigment minim-metal ,soap, lecithoid ,remnant pesticide and other impurity.

脱色的目的在于去除色素、微量金属、皂粒、胶质、残留农药和其它的杂质。

The results revealed that there was the toxicity effect of 6 different carbamic ester pesticides on Anabaena flos-aquae.

结果发现,6种氨基甲酸酯类农药对水华鱼腥藻都有不同程度的毒性作。

Chlorpyrifos was one kind of organophosphorus pesticides with higher efficacy and could substitute highly poisonous metham-sodium and parathion.

毒死蜱是替代甲胺磷和对硫磷等高毒农药的高效有机磷杀虫剂,在世界范围得到广。

There are four kinds of products:powered,granular,nubbly and over-slender,which are widely used in the field of rubber,pesticide,paint,fodder,vinylite,adhesive and so on.

粉状、造粒、块状、超细四大类产品，广应于橡胶、农药、涂料、饲料、塑料、合成树脂、胶粘剂等行业。

In addition, avermectin was made into the formulation of cyclodextrin inclusion, so as to increase the photostability of pesticide molecules.

另外将阿维菌素制备成合适的环糊精剂型有利于提高农药的光稳定性。

In this gaper, the developments md study on biologically activeisoxazole derivatives and their applications in pesticide and medicine were reviewed.

许多异恶唑衍生物显示良好的生物活性，并被开发成为农化学品和医化学品。本文对这类化合物的研究开发动态进行概述。

Objective To observe the effect of the new cholinolytic Changtuoning and Atropine on the treatment of acute organophosphorus pesticides poisoning.

摘要目的观察长托宁与阿托品治疗急性有机磷农药中毒的效果。

The two simple methods can be employed to check the performance of depurant uesed in the analysis of residual pesticide.

这两种方法可以方便地检查出农药残留分析中净化剂的性能。

The toxicity of mercury ion and pesticide cy-permethrin to tetrahymena pyriformis was observed in this study according to the method of aquatic toxicology.

采梨形四膜虫为实验生物评价汞离子和安绿宝农药的毒性。

It elaborates the definitions of epimer and epimerization, states the applications of epimerization in medicine and pesticide,and points out its expansive prospect .

阐述差向异构体和差向异构化的定义。差向异构化技术在医药和农药中间体中应广,前景广阔。

A method for the simultaneous determination of captan and folpet pesticide residues in apples was developed by solid-phase extraction and high performance liquid chromatography.

采硅镁吸附剂和硅胶作吸附剂,建立固相萃取-高效液相色谱法同时测定苹果中残留的克菌丹和灭菌丹的分析方法。

In this paper, a MTT-based semiautomated colormetric assay was used to study the sensitivity difference among eight cultured insect cell lines to Methomyl pesticide.

采MTT法，研究灭多威农药对八种昆虫离体细胞系敏感性的差异。

A better method was presented by adopting an external standard method of high performance liquid chromatography for the determination of Anilazine pesticides residue in foods.

建立一套较为完善的检测食品中农药敌菌灵残留量的高效液相色谱外标法。