pyrethroid
英[paɪ'riːθrɔɪd]
美[paɪ'reθrɔɪd]
- n. [化]拟除虫菊酯；合成除虫菊酯
双语例句
- 1. To develop a pyrethroid intragastric administration death model.
- 建立家兔拟除虫菊酯类农药灌胃染毒致死模型。
youdao
- 2. Dichlorochrysanthemate is the important intermediate of pyrethroid insecticides.
- 二氯菊酯是拟除虫菊酯杀虫剂的重要中间体。
youdao
- 3. Methods the larvae dipping method was used to test the resistance to pyrethroid.
- 方法采用幼虫浸渍法，测定其对拟除虫菊酯类杀虫剂的抗性倍数。
youdao
- 4. Objective:To know the killing effect of pyrethroid preparation against cockroach;
- 目的：了解拟除虫菊酯类制剂杀灭蟑螂的效果；
youdao
- 5. Objective To observe the estrogenicity of organophosphorus and pyrethroid pesticides.
- 目的观察有机磷与拟除虫菊酯农药的拟雌激素活性。
youdao
- 6. Possible metabolic mechanisms for pyrethroid resistance in this strain were discussed.
- 还讨论了烟粉虱对拟除虫菊酯抗性的代谢机理。
youdao
- 7. The gas chromatographic method was reported for the analysis of pyrethroid pesticide residues in water.
- 本文介绍了气相色谱法测定水中五种拟除虫菊酯农药的多残留分析方法。
youdao
- 8. This paper reports the regularity of pyrethroid-pollution of various vegetable and presents some control measures.
- 本文报道了拟除虫菊酯在蔬菜上的污染规律和控制措施。
youdao
- 9. It implies that the decreased nerve sensitivity is an important pyrethroid resistance mechanism of cotton bollworm.
- 这些结果说明神经敏感性降低是棉铃虫对拟除虫菊酯抗药性的重要机制。
youdao
- 10. A method to determine pyrethroid residues in traditional Chinese medicines based on microwave-assisted extraction was studied.
- 研究了采用微波辅助萃取法从中药材中提取拟除虫菊酯类农药的影响因素。
youdao
- 11. A new nitrogen-containing heterocyclic pyrethroid library was designed and constructed using combinatorial parallel synthesis.
- 以菊酯为骨架，采用组合平行法，设计合成了新型含氮杂环的菊酯类化合物库。
youdao
- 12. Objective to investigate the relationships between cytokine and the mechanism of central nervous system impaired by pyrethroid.
- 目的探讨细胞因子与拟除虫菊酯中枢神经系统损害机制的关系。
youdao
- 13. Our results indicated that L925I mutation was tightly associated with pyrethroid resistance in the tobacco whitefly from Nanjing.
- 该结果表明了烟粉虱钠离子通道L925I突变与对拟除虫菊酯抗性密切相关。
youdao
- 14. Results Pyrethroid residue in mandril increased by 400% and porosity reduced by 45% after heating electrothermal vaporizing liquid.
- 结果电热蚊香液在加热后期芯棒中的拟除虫菊酯残留量增加400%，孔隙率降低45%。
youdao
- 15. But with time past, the resistance of pest to the pyrethroid is found to develop quickly as well as its extension application scale.
- 目前的研究表明尽管使用拟除虫菊酯防制昆虫见效快，但其对昆虫产生抗性的速度也快。
youdao
- 16. Obiective Test the relationship between the heating time of electrothermal vaporizing liquid and the residues of pyrethroid in mandril.
- 目的测试电热蚊香液加热时间与芯棒中拟除虫菊酯残留量的关系。
youdao
- 17. This paper reviews the progress of pyrethroid and the method of sifting and molecular de-sigh of pyrethroid. 58 references are presented.
- 综述了拟除虫菊酯的进展及新拟除虫菊酯的筛选和分子设计的方法等。参考文献58篇。
youdao
- 18. Toxicological and electrophysiological studies have demonstrated the presence of Kdr-type resistance in many pyrethroid-resistant insects.
- 毒理学和电生理学的研究表明，在许多拟除虫菊酯类杀虫剂抗性昆虫中存在击倒抗性。
youdao
- 19. The design and synthesis of a new pyrethroid is described. This new compound has a simple structure and light stability. It is easy to synthesis.
- 本文报道了一种新的拟除虫菊酯分子的设计及合成，这种新化合物具有结构简单、光稳定性好和易合成的特点。
youdao
- 20. Pyrethroid pesticides are mainly used in killing pests in cotton, vegetable, fruit and tea trees, public health and also in killing parasites in fish.
- 拟除虫菊酯杀虫剂主要用于防治棉田、菜地、果树和茶叶上的农业害虫以及卫生害虫，也用于渔业生产上杀灭寄生虫。
youdao
- 21. This article summarizes the difference of pyrethroid isomers in degradation and chiral stability from aspects as cis-trans isomers and optical isomers.
- 从顺反异构体、光学异构体两方面对拟除虫菊酯异构体的降解差异及稳定性差异进行了综述。
youdao
- 22. The combined application of S101 and organophate or pyrethroid insecticides had obvious synergism to pest insects, its toxicity to mammalian was not increased.
- S101与有机磷、拟除虫菊酯类杀虫剂复配防治害虫有增效作用，对动物不增毒。
youdao
- 23. The present report deals with the synthesis of a series of pyrethroid-like oxime-ether compounds, their structure characteristic and the relation of structure-biologic activity.
- 本文报导一类具有拟除虫菊酯活性的肟醚类化合物的合成、结构特性及生物活性。
youdao
- 24. Objective to make a clear understanding of the sensitivity of main malaria vectors to pyrethroid in Sichuan province and to provide the evidence for using pyrethroid to control Anopheles.
- 目的了解四川省主要媒介按蚊对菊酯类杀虫剂的敏感性，为继续使用菊酯类杀虫剂控制媒介按蚊提供依据。
youdao
- 25. Objective to make a clear understanding of the sensitivity of main malaria vectors to pyrethroid in Sichuan province and to provide the evidence for using pyrethroid to control Anopheles.
- 目的了解四川省主要媒介按蚊对菊酯类杀虫剂的敏感性，为继续使用菊酯类杀虫剂控制媒介按蚊提供依据。
youdao
- Methods The larvae dipping method was used to test the resistance to pyrethroid.
方法采用幼虫浸渍法，测定其对拟除虫菊酯类杀虫剂的抗性倍数。
用作名词 (n.)
相关词汇
大家正在查
Copyright © 2023 256查询网 All Rights Reserved
