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- Study on synthesis of ester with rectification method in solid acid catalytic reaction 固体酸催化反应精馏法合成酯的研究
- solid acid catalytic 固体酸催化剂
- It was proposed that the catalytic amination of metyl t-butyl ether by solid acid was a promising "green" process. 指出固体酸催化甲基叔丁基醚的氨化是值得开发的绿色化工技术。
- The solid acid showed a high catalytic activity. At 3 h reaction time, the convertion of acetic acid reached 97.7%. 该固体酸对乙酸丁醇酯化反应有很高的催化活性;催化酯化反应3h;乙酸的转化率高达97.;7%25。
- The catalysis of resinic solid acid catalysts in catalytic distillation is studied for synthesis of methylal from methanol and formaldehyde. 考察了树脂型固体酸催化剂对甲缩醛合成反应的催化性能，并与传统的硫酸催化剂进行了比较。
- The result showed the niobic acid has high catalytic activity and stability when it is used as solid acid catalyst and support, and it can be used more widely. 结果表明,无论是作为固体酸催化剂还是作为载体,铌酸都表现出较高的催化活性和稳定性,具有良好的应用前景。
- Properties, used in the aroma, plastizer, cosmetics, adhesive, coating and catalytic synthesis of Dimethyl maleate by inorganic acid, ion, exchange resin and solid acid as catalyst were introduced. 摘要介绍了马来酸二甲酯的性质，在香料、增塑剂、化妆品、粘合剂、涂料方面的应用及由无机酸、离子交换树脂、固体酸作催化剂的催化合成。
- NH3-TPD showed that the catalyst has both weak and strong acid sites.The catalytic activities of the solid acid catalysts were evaluated by esterification of acetic acid and ethanol. NH3-TPD结果表明;该催化剂同时具有弱酸及强酸位.;用乙酸/乙醇酯化催化反应评估了该固体酸的催化性能
- The mechanism was discussed in the proton acid catalytic reaction of furan phenol cyclization. 探讨了呋喃酚环合反应质子酸催化机理。
- The catalytic nitration of the different aromatic compounds was studied on solid acidic catalyst (sulfuric acid-adsorbing silica gel). 研究了固体酸催化剂(硅胶吸附浓硫酸)催化不同种类芳族化合物的硝化反应。
- After acid catalytic dehydration the condensate subsequent hydrolysis was proceeded in the existence of protective agent, the yield of hydroxycitronellal came up to 87.7%. 缩合物的酸催化水合后的水解反应在保护剂存在下进行;羟基香茅醛的产率达87.;7%25。
- Solid acid catalyst can be substituted for sulphuric acid as esterification catalyst. 固体酸催化剂是能够代替硫酸作为酯化的催化剂。
- A new solid acid based on heteropolyacid has been proved to be a useful catalyst for the synthesis of dibutyl maleate. 新催化剂在顺丁烯二酸二丁酯的合成反应中显示很好的活性和温和的反应条件。
- It point out th solid acid catalyst that we have atudied are all good catalyst for synthesis of diamyl meleat. 指出固体酸催化剂是催化合成马来酸二戊酯的良好催化剂。
- This paper introduces a solid acid (HY zeolite) which can replace the traditional catalysts. 选择合宜的沸石酸量和反应物投料比也对产物生成有利;
- Super solid acid can be classified into two kinds:one containing halogen,the other free of halogen. 固体超强酸可分为两类:一类含有卤素，另一类不含卤素。
- A new type of solid acid was prepared by calcination of titanium sulphate doped with lantha-num oxide. 掺杂了氧化镧的硫酸钛经高温焙烧后制得新型固体酸催化剂。
- The catalysts include homogenous acids or bases and solid acids or bases. 丙二醇甲醚合成催化剂包括均相酸碱和固体酸碱。
- The paper discusses industrial applications and comparison of cylcohexanone production by cobalt salt catalytical oxidation process and boric acid catalytical oxidation process. 介绍了钴盐催化氧化法和硼酸催化氧化法生产环己酮的工业应用,并对两种工艺的优缺点进行了对比。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
