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- dimethyl butene 二甲基丁烯
- 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 Dimethyl Sulfate has an annual output of 15,000 tons. 同时我司也是国内最大的磺胺类产品出口基地。
- Dimethyl ether (DME) is produced normally from syngas or methanol. 介绍了二甲醚的应用及其下游产品的开发利用情况。
- Dimethyl 5-sulfoisophthalate sodium salt hydrate, 98... 二甲基5-磺酸异邻苯二酸钠盐；
- Triethylene glycol dimethyl ether, stabilized, 99%... 三乙二醇二甲醚/三甘醇二甲醚；
- Acetone (or dimethyl ketone): Simplest and most important ketone (CH3COCH3). 丙酮:亦称二甲基酮:分子式为CH3COCH3,最简单和最重要的酮。
- Acetone (or dimethyl ketone): Simplest and most important ketone (CH3COCH3). 丙酮:亦称二甲基酮:分子式为CH3COCH3，最简单和最重要的酮。
- Study on the kinetics of dimethyl ether one step synthesis from syngas. 合成气一步法制二甲醚的动力学研究
- 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。
- Recent methods of dimethyl fumarate synthesis are reviewed in this article. 本文对近年来富马酸二甲酯的合成方法进行了评述。
- Dimethyl dioxirane was prepared with potassium monoperoxy sulfate and acetone. 通过过一硫酸和丙酮反应,合成了新型高效的氧化剂二甲二氧环烷。
- 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”。
- 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。
- 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。
- 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。
- 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。
- Green environmental protection, harmful solvents are free such as dimethyl benzene, methanal ect. 绿色环保，不含二甲苯、甲醛等有害溶剂。
- 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。
- Methods of qualitative and quantitative analysis for benzene,toluene,ethyl benzene,dimethyl benzene in blood and urine. 血、尿中的苯、甲苯、乙苯、二甲苯的定性及定量分析方法.
