查询词典 pesticide

Palenque is a kind of corn imported from Japan.It is a kind of fruit corn growing in the rainy country Thailand.This kind of corn is rich in plant fiber and pesticide and industrialfertilizer are not used when it is growing.Its growing time is strictly controled.

帕伦克玉米属于日本进口品种，雨润之国泰国种植的水果型玉米，含丰富的植物纤维，种植中不施加农药与工业化肥，严格控制玉米种植周期。

The north temperate, the pantropic, the East Asia, the cosmopolitan, the old world temperate and the East Asia and North America disjuncted distribution were main types of pesticide seed plants in Henan Province.

河南农药植物区系组成中，以北温带、泛热带、东亚分布、世界广布、旧世界温带分布、东亚和北美洲间断分布6种为主，植物区系中热带成分约为温带成分的3/5。

To evalute the efficacy of SIOC-I-013 against cockroches, fire ants and termites, it was tested in laboratory according to bioassay methods of pesticide and the GB/T17322.11-1998. The results showed that the values of LT50 against Blattella germanica and Periplaneta Americana were 1.61 d and 1.38 d respectively.

参照农药生物活性测定方法和国标GB/T17322.11-1998的有关规定进行了该化合物对蜚蠊、红火蚁和台湾乳白蚁等卫生害虫的实验室杀灭效果观察和毒效作用的评价。

A review of 31 new pesticides and 35 new lead compounds with pesticidal activities disclosed in 11th IUPAC international congress of pesticide chemistry .

概述了第11届IUPAC国际农药化学会议中公开的31个新农药品种和35个具有生物活性的新化合物。

The present invention provides important theoretic base for constituting recombinant virus with expanded host domain and provides one hopeful way for developing recombinant virus pesticide with wide spectrum pesticidal activity, and improving and developing genetically the expression vector system.

本发明为构建宿主域拓展的重组病毒提供了重要理论依据，并且为开发出具有广谱杀虫活性的重组病毒杀虫剂以及表达载体系统的遗传改良和开发提供了一条有希望的途径。

As a new type biological pesticide, metarhizium anisopliae （ L8500） causes no pollution, is environmentally compatible, has a low cost, clear pesticidal effects, and good economic, social and biological benefits and good prospects for promotion and application.

绿僵菌（ L8500）作为一种新型生物杀虫剂，无污染，环境相容性好，成本低，杀虫效果明显，具有良好的经济、社会、生态效益和推广应用前景。

In order to find highly active pesticide, three series of 5--12-substituent-benzo phenanthridine derivatives were synthesized through the reaction of 2-methylbenzonitrile with dif-ferent aldehyde, and further dehydration with DDQ or N-methylation with NaH and CH3I, respectively.

为了寻找新的高活性农药，利用2-甲基苯甲腈与不同的醛反应，再通过2，3-二氯－5，6-二氰基－1，4-苯醌脱氢或NaH和CH3I氮甲基化，合成了3个系列共18个5-取代氨基－12-取代苯并菲啶衍生物，其中15个是未见文献报道的化合物。

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。

So, a lot of fundamental research work needed to be done, including screening Daphnia, as a biomonitor, that is sensitive to toxicant but less to environment changing so as to decrease the environmental interferences for obtaining more accurate determination results; exploring the relationship between the phototactic behavior of Daphnia and pollutants such as nitrogen, phosphate, heavy metal, hormone and pesticide, especially their mixtures; studying the effect of environmental conditions such as temperature, pH and fish kairomones on the phototactic behavior of Daphnia.

口。。。口国。国里华典翩胭角嗓国但由于缺乏有效的研究方法，致使有关研究难于开展，人们不得不忽略有害物质之间的互相作用，把有害物质共同存在情况视为单一存在。因此，研究氮、磷和重金属对水搔趋光行为的影响规律，有益于认识富营养化水体和重金属污染的土壤中污染物之间的相互作用，弄清这些污染元素共存时产生的生物和环境效应，这些研究是治理土壤和水体污染之前必须解决的重大科学问题。

So, a lot of fundamental research work needed to be done, including screening Daphnia, as a biomonitor, that is sensitive to toxicant but less to environment changing so as to decrease the environmental interferences for obtaining more accurate determination results; exploring the relationship between the phototactic behavior of Daphnia and pollutantssuch as nitrogen, phosphate, heavy metal, hormone and pesticide, especially their mixtures; studying the effect of environmental conditions such as temperature, pH and fish kairomones on the phototactic behavior of Daphnia.

口。。。口国。国里华典翩胭角嗓国但由于缺乏有效的研究方法，致使有关研究难于开展，人们不得不忽略有害物质之间的互相作用，把有害物质共同存在情况视为单一存在。因此，研究氮、磷和重金属对水搔趋光行为的影响规律，有益于认识富营养化水体和重金属污染的土壤中污染物之间的相互作用，弄清这些污染元素共存时产生的生物和环境效应，这些研究是治理土壤和水体污染之前必须解决的重大科学问题。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。