天然除虫菊素,Pyrethrins英语短句,例句大全

天然除虫菊素,Pyrethrins
1)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

英文短句/例句

1.Quantitative Analysis of Natural Pyrethrins by Capillary Gas Chromatography天然除虫菊素的毛细管气相色谱定量分析(英文)
2.YESTERDAY,TODAY AND TOMORROW OF PYRETHRUM INDUSTRY IN CHINA中国天然除虫菊酯农药产业的过去、现在和将来
3.Research on Separation Natural Prethrins Six Composition and Immunological Detection Method of Chrysanthemum Cineraraeflium;天然除虫菊有效成分的分离及其免疫学检测方法研究
4.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。
5.Control Effect of 2.5% Pyrethrins EC on Myzus persicae (Sulzer) in Tobacco Field2.5%除虫菊素乳油防治烟蚜田间药效试验
6.Determination of environmental estrogenic activity of four pyrethroid pesticides四种拟除虫菊酯类农药的环境雌激素活性研究
7.The Synthesis of Pesticide on Non Imitative Pyrethrum Ester;不含菊酸类拟除虫菊酯化合物的合成
8.An insecticide derived from a plant, e.g. pyrethrum (from Chrysanthemum flowers).3来源于植物的杀虫剂，例如除虫菊（来源于菊花）。
9.Effects of Organophosphorus and Pyrethroid Pesticides on Estrogen;有机磷与拟除虫菊酯农药的雌激素干扰作用研究
10.Study on the Antiandrogenic Activity and Mechanism of Six Pyrethroids;6种拟除虫菊酯类农药的抗雄激素作用及其机制
11.Research on Degradation and Influence Factors of Four Pyrethroid Pesticides on Apple四种拟除虫菊酯类农药在苹果中的残留降解及其影响因素研究
12.Anti-androgenic Activity of Cypermethrin and Fenpropathrin in Hershberger Assays两种拟除虫菊酯类农药抗雄激素活性的Hershberger实验研究
13.insecticidal preparation or articles based on pyrethrum extract with a pyrethrum content of less than 2%以除虫菊含量低于2%的除虫菊提取物为基料的杀虫剂或制品
14.Dtrans allethrin(植物性杀虫剂) 反丙烯除虫菊
15.An insecticide made from the dried flower heads of Chrysanthemum cinerariifolium or C.coccineum.干菊头杀虫剂由除虫菊或红花除虫菊的干燥的花头制成的一种杀虫药剂
16.made of dried flower heads of pyrethrum plants.用除虫菊植物的干花头制成。
17.EFFECTS OF PYRETHROIDS ON THE STRUCTURES OF RED BLOOD CELLS拟除虫菊酯对人红细胞膜结构的影响
18.Three Methods for Pyrethrum Cell Suspension Culture;除虫菊细胞悬浮培养3种方法的比较

相关短句/例句

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。
3)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
4)pyrethrin[英][pai'ri:θrin][美][pa?'riθr?n, -'r?θr?n]除虫菊素
1.Efficacy of pyrethrin aerosol against mosquitoes and flies;除虫菊素杀虫气雾剂对蚊蝇的药效研究
2.Chromatographic techniques used in the sepration, preparation, structural comfirmation and determination of pyrethrin, cinerin, jasmolin, pyrethrin, cinerin and jasmolin are mainly TLCGCHPLC and GC-MS.总结了TLC、GC、HPLC和GC-MS联用等现代色谱技术在除虫菊素各有效组分的分离、制备、结构鉴定和含量测定中的应用。
3.The variety selection was also conducted by yield determination, pyrethrin content analysis and pesticide controlling experiment.为了获取适宜在云南推广的高含量除虫菊素优良品种,从国外引进的8份除虫菊(PyrethrumcinerariaefoliumTrev)种质材料中,经组培快繁后,在云南省昆明、曲靖、楚雄、大理等地开展了组培苗的种植与品种选育研究,并经产量测定、含量分析和药效试验。
5)pyrethrins除虫菊素
1.Control Effect of 2.5% Pyrethrins EC on Myzus persicae (Sulzer) in Tobacco Field;2.5%除虫菊素乳油防治烟蚜田间药效试验
2.Extracted pyrethrins from pyrethrum dried flower by super critical CO2 .用超临界CO2从除虫菊干花中萃取的除虫菊素,这种膏状物不能直接用来加工或深加工杀虫产品。
3.Application of microwave aid technique in the extraction of pyrethrins from the natural pyrethrum flower s was studied.根据天然除虫菊花的生物化学特性,应用微波协助萃取技术来萃取天然植物除虫菊花中的菊素,在遵循不破坏除虫菊素中杀虫活性的前提下,选择适当的微波波长、萃取溶剂、溶剂用量、溶剂的pH值、微波计量、物料水分、温度、时间等因素控制得当,萃取效果十分明显;实践表明:采用此工艺,具有快速安全、简化工艺、节省能源、降低溶剂用量、降低成本、改善环境条件、提高产品纯度、减少装备投资等特点。
6)pyrethrin I除虫菊素I