您要查找的是不是：
- Low initial content of i butene or high t butanol content in the aqueous phase were unfavorable to the reaction. 原料中低异丁烯含量或水相中高叔丁醇含量均对反应过程有不利影响。
- Title： Study on Toxicity and Safety of 7 Insecticides such as Fipronil on Carassius auratus (L. 关键词：急性毒性;氟虫腈;阿维菌素;鲫鱼;安全性
- The copolymer of propylene with a small amount of butene was prepared by heterogeneous Ziegler?Natta catalyst. 用负载型Ziegler－Nata催化剂合成了丙烯同少量丁烯的共聚物，考察了单体进料比对催化活性的影响，发现此体系存在“共单体效应”。
- Uses：Used as intermediate for agrochemical(e.g., Fipronil),especially for synthesizing pyrazole derivatives. 用途：用于合成农药中间体（如：锐劲特），特别用于合成吡唑类衍生物。
- The C x H 1- x film are prepared using low pressure plasma CVD with trans 2 butene. 以反式?2?丁烯为工作气体，采用低压等离子体化学气相沉积法制备 Cx H1－ x薄膜。
- The acute toxic effects of Fipronil and other insecticides on Carassius auratus(L.)were studied. 本文研究了氟虫腈等杀虫剂对鲫鱼的急性毒性作用。
- In addition, the reaction mechanism of double bond isomerization of butene catalyzed by HF has been investigated. 此外，对氟化氢催化丁烯的反应机理进行了探索研究，为研究水滑石催化反应机理打下基础。
- The results showed that Regent (fipronil), malathion and carbosulfan could be hoped to be the ideal insecticdes to control L. lucorum M. 结果表明：锐劲特（氟虫腈）、马拉硫磷和丁硫克百威有望成为防治绿盲蝽的理想药剂。
- This paper elucidates the present situation of research and development of solid acid catalysts for the alkylation of isobutane with butene. 综述了异丁烷与丁烯烷基化反应用固体酸催化剂的研究现状及发展趋势。
- Two flow sheets i.e. acetonitrile (ACN) method and dimethyl formamide (DMF) method for separating butane and butene are described. 介绍了两种分离丁烷 /丁烯的方法 ,即乙腈 (ACN)法和二甲基甲酰胺 (DMF)法。
- The application of zeolites,solid superacid and other catalysts in alkylation of isobutane with butene has been reviewed. 概述了沸石催化剂、固体超强酸催化剂等在异丁烷／丁烯烷基化反应中的研究进展及其应用效益。
- From the isobutane alkylation with butene at the presence of acidic catalyst, alkylate is the ideal blend composition of gasoline. 中孔材料由于具有高的BET比表面积和集中的中孔分布，引起人的强烈兴趣。
- This article reviewed the development of fipronil and its metabolites, emphasizing the fate of environment, action of fipronil and toxicology of antimer and metabolites. 氟虫腈对映体之间的毒性存在差异以及氟虫腈及其代谢物的毒理学效应。
- Furyl) 3 buten 2 one is synthesized from furfural and acetone in water sodium hydroxide medium. 以呋喃醛(糠醛)为原料,在水-氢氧化钠体系中合成了糠叉丙酮,探讨了丙酮用量,氢氧化钠浓度对反应的影
- Sorption and desorption behaviors of five common organic contaminants-naphthalene, phenanthrene, lindane, atrazine and fipronil in meadow soil were evaluated. 摘要研究5种有机污染物在草甸土中的吸附和解吸行为。
- The selectivity of C8 was increased with raising of weight hourly space velocity, but the conversion of butene was reduced. 进料空速增大C8产物选择性增大，但丁烯转化率降低；
- The results showed that susceptibility of the borer to insecticide is in the order as follws: abamectin, fipronil > organophosphorus > carbamate > nereistoxin. 结果表明：二化螟对锐劲特、阿维菌素及三唑磷的敏感性较高，而对灭多威、杀虫单、杀虫双等敏感性低；
- The effects of temperature, feed flow rate and O2/C4H8 ratio on butene conversion and selectivity for butadiene were systematically studied. 系统地考察了反应温度、进料量、氧／烃比对丁烯转化率及丁二烯选择性的影响。
- POD activity rises on the average, and the range of increase in Fipronil treatment and Abamectin treatment is a little high, reaching 598% and 247% respectively. 施药后白菜叶片POD活性总体呈上升趋势，其中以锐劲特处理和阿维菌素处理增幅较大，分别达598%25和247%25。
- The condensation compound was synthesized by 2 butene 1,4 diol and iso butyric aldehyde,and was characterized by elemental analysis and IR. 将异丁醛与1,4丁烯二醇缩合得到产物二氧七环,对产物进行了元素分析和IR分析。
