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1)  natural pyrethrum
天然除虫菊酯
1.
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。
2)  natural pyrethrins
天然除虫菊酯
1.
Progress in detecting natural pyrethrins in Chrysanthemum cinerariifolium;
天然除虫菊酯检测方法的研究进展
3)  Pyrethrins
天然除虫菊素
1.
Efficacy of Pyrethrins against Xenopsylla cheopis;
天然除虫菊素对印鼠客蚤杀灭效果研究
2.
Efficacy of pyrethrins aerosol against cockroaches;
天然除虫菊素杀虫气雾剂对蟑螂的药效研究
4)  pyrethrins
除虫菊酯
1.
Influence of supercritical carbon dioxide extraction of pyrethrins by using ultrasound;
超声场对超临界CO_2萃取除虫菊酯的影响
2.
Preliminary study on the effect of ultrasound on supercritical carbon dioxide extraction of pyrethrins;
超声场强化超临界CO_2萃取除虫菊酯的初步研究
3.
Separation and Purification of Natural Pyrethrins by Reversed Phase High Performance Liquid Chromatography;
反相高效液相色谱分离纯化天然除虫菊酯
5)  pyrethrin [英][pai'ri:θrin]  [美][paɪ'riθrɪn, -'rɛθrɪn]
除虫菊酯
1.
Study on extraction of pyrethrin by compressed CO_2;
压缩态CO_2萃取除虫菊酯的初步研究
2.
Supercritical carbon dioxide was used to extract pyrethrin from pyrethrum flowers.
采用超临界二氧化碳萃取除虫菊花中的有效成分除虫菊酯,设计了一个突然降压的过程,使除虫菊花的细胞壁破碎,减少过程的传质阻力。
3.
Compared with Soxhlet method and supercritical carbon dioxide extraction, microwave extraction of pyrethrins is a rapid method (about 200 s) with less solvent consumption (about 240 mL), higher yield and better product with light color.
对微波萃取、索氏提取和超临界二氧化碳萃取除虫菊酯的效果进行了比较 ,结果表明微波萃取法具有萃取时间短 (约 2 0 0 s) ,提取率高 ,溶剂用量少 (约 2 4 0 m L) ,产物品质好 ,色泽浅等优点。
6)  pyrethroids
拟除虫菊酯
1.
Determination of Pyrethroids Residues in Tea by High Performance Liquid Chromatography with Ultrasonic Extraction;
超声波提取-高效液相色谱测定茶叶中拟除虫菊酯农药残留
2.
Study of Three Kinds of Pyrethroids in Poisonous Fish Sample with Gas Chromatography;
气相色谱法测定中毒样品鱼体中三种拟除虫菊酯农药的方法研究
3.
Progress of Pyrethroids Insecticides;
拟除虫菊酯类杀虫剂的研究进展
补充资料:除虫菊
除虫菊
pyrethrum cinerariifolium;Dalmatian chrysanthemum 
    菊科匹菊属的一种。原产欧洲,中国南北部分省区有栽培。是多年生草本杀虫植物,高15~80厘米,全株银灰色,被绒毛,叶羽状分裂。头状花序,边缘花为舌状花,雌性,花冠白色,中央管状花黄色。头状花序含有除虫菊素甲、乙及灰菊素甲、乙,除虫菊素甲的杀虫能力最强,10倍于除虫菊素乙。一般用于驱杀蚊虫,是蚊香的原料。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条