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- To evaluate the immune toxicity of natural pyrethrum. 目的检测天然除虫菊酯的免疫毒性。
- A review is made of the preparation, function and application, of the natural pyrethrum ester. 综述了天然除虫菊酯的制备、作用机理和应用。
- Bamboo vinegar, potash soap and suspending agent of sulfur could increase the effect of Natural Pyrethrum, Baicao I and Kingbo for L. clerkella. 竹醋液、软钾皂和硫悬浮剂作为辅助药剂一定程度上能够增强除虫菊、清源保和百草一号的药效。
- A method for the determination of six pyrethrins from natural pyrethrum extracts by capillary gas chromatography with FID detector was described. 研究了毛细管气相色谱法定量分析天然除虫菊提取液中6种酯的方法,FID检测,邻苯二甲酸二丁酯作为内标物。
- In this paper,natural pyrethrum nano-capsule with a wall of the copolymer of styrene(St) and methyl methactylate(MMA) was prepared by means of microemulsion polymerization. 研究用微乳液聚合法制备以甲基丙烯酸甲酯和苯乙烯共聚体为囊壁,以天然除虫菊酯为囊芯的纳米胶囊。
- Made from natural pyrethrum, can quickly and effectively strike down flies and mosquitoes, and approved by the Chinese state Environmental Protection Administration. 本品采用高效拟除虫菊酯为有效药物,配方合理、气味芳香,能快速杀灭蚊子、苍蝇、蟑螂等害虫。适合家庭、餐厅、宾馆等场所使用。
- Made with natural pyrethrum,it is well tested and passed by the technical experts. Very good smell and effective protection against mosquitoes.kill mosquito last for 8 hours. 本品采用高效拟除虫菊酯及天然优质原料科学精制而成,驱蚊能力强,气味芳香,对人体安全。
- Natural pyrethrum, ester is an active pesticide abstracted form pyrethrum This kind of pesticide is unique in quick killing of pests with low rate of poison. 摘要天然除虫菊酯是从除虫菊中提取得到的杀虫活性成分。其作用机理独特,具有能快速灭杀害虫,广谱、低毒等特点。
- In this paper, natural pyrethrum nano-capsule with a wall of the copolymer of styrene (St) and methyl methactylate (MMA) was prepared by means of microemulsion polymerization. 摘要研究用微乳液聚合法制备以甲基丙烯酸甲酯和苯乙烯共聚体为囊壁,以天然除虫菊酯为囊芯的纳米胶囊。
- We suggested you use Natural Pyrethrum (the compounding of 1500 times' Natural Pyrethrum and 300 times' bamboo vinegar) or 300 times' potash soap to control Lyonetia clerkella Linnaeus in organic management peach orchard. 在有机桃生产中防治桃潜叶蛾建议应用的药剂是除虫菊(以“除虫菊1500倍+竹醋液300倍”组合最好)或软钾皂300倍。
- Immune toxicity of natural pyrethrum 天然除虫菊酯的免疫毒性
- Keywords Insecticide;Natural pyrethrum;Immune toxicity; 杀虫剂;天然除虫菊酯;免疫毒性;
- It is natural for a cat to catch mice. 猫捉老鼠是本能。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- Many natural materials are becoming scarce. 许多天然原料越来越少。
- Keywords natural pyrethrum;mosquito coil;Culex pipiens pallen s;efficacy; 天然除虫菊素;盘式蚊香;淡色库蚊;药效;
- Keywords natural pyrethrum;microemulsion polymerization;nanocapsule; 天然除虫菊酯;微乳液聚合;纳米胶囊;
- Our motherland flows with natural resources. 我们祖国蕴藏着丰富的天然资源。
- Events took their natural course. 事态依自然进程发展。
- She has a natural wave in her hair. 她的头发自然卷曲。