• The effects on acid-catalysis reactions and some unsolved problems are mentioned.

    最后酸催化反应影响因素以及存在问题稍加叙述

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  • Furthermore, samples, as catalysis, were used to degrade simulation dye effluents, such as solutions of Acid Red g, Direct Bordeaux, Direct Red and Methylene Blue.

    同时酸性g直接枣红和直接大红(直接染料)亚甲基对象模拟染料废水进行催化降解实验。

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  • Polyphenol substances in beer had the properties of oxidative polymerization, acid catalysis polymerization, complexing of polyphenol and proteins, polyphenol dissolving and dimer crack etc.

    啤酒物质具有氧化聚合催化聚合、多酚蛋白质络合、多酚溶出与二体裂解等性质

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  • Mandelic acid was synthesized by means of ultrasonic phase transfer catalysis(PTC) method.

    采用超声波转移催化技术合成扁桃

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  • Reaction character, reaction mechanism of solid acid catalysis and requirements for solid acid catalysts used are discussed.

    探讨了该反应特点固体催化反应机理用于此反应的固体酸催化剂满足的条件。

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  • CONCLUSION: Basic catalysis is superior to Lewis acid catalysis. Using metal oxide is suitable for industrialization.

    结论碱性催化剂优于路易斯酸性催化剂,金属氧化物催化适合于工业化生产。

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  • In this paper, the optimized technological requirement of the synthesis of acrylate under the catalysis of heteropoly acid was gotten and polymerization retarder for acrylate.

    本文研究了杂多酸催化合成丙烯酸工艺条件及其丙烯酸酯的阻聚作用。

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  • Then-octyl gallate was prepared by esterification of alcohol and gallic acid in catalysis system of dodecyl benzene sulfonic acid.

    十二烷基磺酸为催化剂直接酯化合成没食子酸正辛酯。

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  • Niobic acid and compounds containing niobium are applied in a wide range of catalysis fields for their unique acidic property and thermal stability.

    化合物独特酸性稳定性,广泛应用催化领域中。

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  • The catalysis of big pore strong acid resin for 1,4-butanediol dehydration to tetrahydrofuran is investigated.

    考察孔强酸性树脂1,4 丁二醇脱水四氢呋喃催化作用。

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  • The bamboo residues could be liquefied to be biopolyol in the mixed solvent of polyether alcohol and crude glycerol under the catalysis of concentrated sulfuric acid.

    硫酸催化作用废料由聚多元醇和甘油组成混合液化剂中液化成多羟基化合物。

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  • Butyl lactate was synthesized by the ester exchange reaction of d, L-lactide and n-butanol under the catalysis of sulfuric acid.

    研究了D,L -丙交酯硫酸催化作用正丁醇进行交换反应合成乳酸丁酯条件。

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  • The dioctyl glutaricate was prepared by esterification of octyl alcohol and glutaric acid separated from dicarboxylic acid in catalysis of sulfuric acid.

    辛醇和羧酸分离为原料,硫酸催化剂酯化合成了戊二酸二辛酯。

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  • Experiments showed organic acid catalysis could increase TI-PS fraction content of modified pitches and the same result could be get by changing component and structure of pitches.

    实验表明有机酸催化提高沥青ti - PS组份含量,而改变原料沥青组成结构得到同样效果

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  • The progress of isomerization technology of conjugated linoleic acid (CLA) was introduced. The methods of alkaline catalysis, metal catalysis and bio-enzymes isomerization were discussed respectively.

    介绍共轭油酸(CLA)异构技术研究进展,评述异构CLA的碱性催化法、金属催化法生物酶异构法。

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  • Zanamivir was synthesized with salic acid as starting material by enzymatic catalysis method.

    自制唾液起始原料,对扎那米韦的合成工艺进行研究。

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  • The use foreground of these compounds will be extensive in the field of molecular discernment, nucleic acid probe, anti-tumour medicine, molecular catalysis and self-assemble etc.

    该类配合物分子识别核酸探针抗肿瘤药物、分子催化自组装等领域广泛应用前景

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  • The preparation process of epoxy soybean oil under the catalysis of sulfuric acid and 732 type cation exchange resin is introduced, and the optimum technological conditions have been obtained.

    介绍了在硫酸、732阳离子交换树脂催化作用制备环氧豆油工艺得出最佳工艺条件

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  • The research was concentrated on the co catalysis effect and the related catalytic mechanism of strong acids, such as amino sulfonic acid, p toluenesulfonic acid and fluoroboric acid.

    研究氨基磺酸、氟硼酸甲苯磺酸催化作用探讨了其催化机理

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  • The composition of the catalysis system containing concentrated sulfuric acid and its regeneration method are also investigated.

    硫酸催化体系组成再生方法进行了探索

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  • This article aims at summarizing the development of research on synthesis of tributyl citrate and the catalysis of sulfonic acid inorganic salt solid superacid heteropoly acid rare earth compound.

    综述磺酸、无机盐、固体超强酸杂多酸稀土化合物等催化体系合成柠檬酸三丁酯催化作用研究进展

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  • Methods: Urinary iodine of the 426 early pregnant women was determined by chloric acid-digestion and arsenic-cerium catalysis.

    方法采用酸消化-砷铈接触法测定426例早期妊娠妇女尿

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  • The method is based on the catalysis of phenanthroline to the discoloring reaction of bordeaux R oxidized by potassium periodate in the dilute acetic acid solution.

    醋酸介质中,痕量邻菲咯碘酸氧化玫瑰桃红R褪色反应有明显催化作用,据此建立测定邻菲咯啉催化动力学光度

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  • Then (iso) butyl gallate was prepared by esterification of alcohol and gallic acid in catalysis ofp methyl benzene sulfonic acid and the reaction temperature was risen in a gradient style.

    甲苯磺酸为催化剂梯度升温法直接酯化合成没食子酸正(酯。

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  • Although perovskite and non platinum anode catalysts are less cost, their electro catalysis activities in methanol oxidation and stabilities in acid medium have to be improved for further work.

    基钙钛矿类催化剂成本,但需要进一步解决酸性介质中的寿命短和活性低的问题。

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  • The tri-n-butyl citrate was synthesized by esterification of citric acid with butyl alcohol in the catalysis of sodium bisulfate.

    一水硫酸氢催化下柠檬酸丁醇合成了柠檬酸正丁酯。

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  • The process includes hydrochloric acid pretreatment, acetone extraction, hydrolysis of astaxanthin esters by catalysis of basic ion exchange resin, and adsorption separation.

    工艺包括粗色素油提取素酯水解虾青素粗品的纯化

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  • Esterification is a common organic reaction, usually with the catalysis of acid carboxylic acid and alcohol produce ester.

    酯化反应常见有机反应通常是催化作用下由羧酸反应生成酯。

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  • Esterification is a common organic reaction, usually with the catalysis of acid carboxylic acid and alcohol produce ester.

    酯化反应常见有机反应通常是催化作用下由羧酸反应生成酯。

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