The paper introduces the catalyst research advances in esterification reaction of carboxylic acid.
本文介绍了羧酸酯化反应催化剂的研究进展。
The conditions of esterification reaction and the catalytic stability of the resin were investigated.
考察了反应条件对酯化反应的影响和树脂的催化稳定性。
The effects of reaction conditions and catalysts surface acidity on esterification reaction were investigated.
考察了反应条件对酯化反应的影响，催化剂的表面总酸度与酯化活性的关系。
In this paper, study on esterification reaction catalyzed with polymer compound of urushiol and metal salt was studied.
探讨了漆酚金属盐高分子复合试剂催化酯化反应的情况。
The optimum conditions of the esterification reaction were determined with the yield of 97.96% by orthogonal experiment.
用正交试验确定了酯化反应的优化条件，酯化率达97.96%。
The synthetic methods of ester include acyl chloride reaction, carboxylic acid reaction, and inter-esterification reaction.
酯化的方法包括：酰氯法、羧酸法、酯交换法。
The methyl- esterification reaction of low -methoxyl pectin with methylalcohol by the presence of some catalysts was observed .
研究了在催化剂存在下低酯化度果胶与甲醇进行的甲酯化反应。
Benzyl propionate was synthesized by the esterification reaction of benzyl alcohol with propionic acid using potassium bisulfate.
用硫酸氢钾催化苯甲醇与丙酸的酯化反应合成了丙酸苄酯。
Catalytic effect of alkyl stannate on rosin esterification was studied. Factors affecting the esterification reaction are discussed in detail.
以松香树脂酸的酯化反应为例，研究了烷基锡酸对酯化反应的催化作用，系统的探讨了影响反应的各种因素。
The esterification reaction of a long chain fatty acid and a fatty alcohol catalyzed by sugar ester modified lipases in organic media was studied.
本文研究了不同糖脂化合物修饰的脂肪酶在有机溶剂中催化长碳链脂肪酸和脂肪醇的酯化反应。
The structural character of zeolite solid acid and zeolite solid-Superstrong acid and their application in esterification reaction systems are presented.
介绍了沸石分子筛固体酸和固体超强酸的结构特征及其在酯化反应体系中的应用。
The amyl pentanoate was synthesized by the esterification reaction of n-pentanol with pentanoic acid using aluminophosphate molecular sieve as a catalyst.
首次用磷酸铝分子筛催化戊酸与正戊醇的酯化反应合成了戊酸正戊酯。
The main route for obtaining optically active alcohols is resolution of racemic alcohols catalyzed by enzyme in organic solvents by the esterification reaction.
有机相中应用酯化反应，酶法催化拆分消旋醇是获得光学活性醇的重要途径。
Some different kinds of solid superacid, the influence of stir speed, the amount of catalyst, and the roasting temperature on esterification reaction was studied.
分别考察了不同类型固体超强酸的催化酯化作用，并且研究了搅拌速度、催化剂用量以及焙烧温度对酯化反应的影响。
The esterification reaction of propionic acid with n-pentanol was studied by using novel aluminophosphate and silicoaluminophosphate molecular sieves as catalysts.
用新型磷酸铝分子筛和硅磷酸铝分子筛作催化剂，对丙酸和正戊醇液—固相酯化反应进行了研究。
The experimental result shows that this catalyst has better catalytic activity and makes the period of esterification reaction much shorter and the yield much higher.
实验结果表明，对甲苯磺酸有较好的催化活性，可使酯化反应时间大大缩短，收率明显提高。
The invention discloses a fructo-oligose maleic acid ester which is formed by the method that maleic anhydride is used for carrying out esterification reaction on fructo-oligose.
本发明公开了一种低聚果糖马来酸酯，该产品通过马来酸酐对低 聚果糖进行酯化反应而成。
In esterification reaction, the influences of catalyst amount, materials ratio, reaction time, prepared method of the expandable graphite on esterification reaction were discussed.
在酯化反应中，催化剂用量，原料配比，反应时间对酯化反应的可膨胀石墨的制备方法的影响进行了讨论。
The craft of esterification reaction and supercritical CO2 extraction has been optimized through the orthogonal experimental technique and we have obtained the best craft condition.
通过正交试验方法对脂化反应和超临界CO2萃取工艺进行优化，得到最佳工艺条件。
The effects of microwave irradiation power, reaction time, molar ratio of isoamyl alcohol ton-butyric acid and the use level of catalyst on esterification reaction were investigated.
探讨微波辐射功率、辐射时间、醇酸摩尔比以及催化剂用量等因素对酯化反应的影响。
Taking the soybean oil dreg as the raw material, using the method of esterification reaction and supercritical CO2 extracting, we carry through the research of extraction of natural VE.
以大豆油脚为原料，采用酯化反应和超临界CO2萃取方法，进行了天然ve的提取研究。
Esterification is a classical organic synthetic reaction, with the development of peptide synthesis, much research work has been done in this field.
酯化是一经典的有机合成反应，随着肽合成的进展，在此领域已做了大量的研究工作。
Screening for 2 - bromo-butyric acid as the starting material, after ammonolysis, esterification, ester amine solution, split, five-step cyclization reaction Levetiracetam.
筛选以2-溴代丁酸为起始原料，经氨解，酯化，酯胺解，拆分，环合五步反应制得左乙拉西坦。
The influence of reaction temperature and reaction time on degree of esterification were investigated.
通过正交实验考察了反应时间、反应温度对聚乙烯醇酯化程度的影响。
It was founded from experimentally that the reaction temperature is the most important parameter determining the shift of esterification equilibrium.
实验发现反应(分离)温度是影响酯化反应化学平衡移动的最重要因素。
The properties, aroma characteristics and application of methyl-furoate were discussed. Methyl-furoate was synthesized by Cannizzaro reaction and esterification.
概述了糠酸甲酯的性质、香气特征和应用，通过康尼查罗反应和酯化反应合成了糠酸甲酯。
A new esterification equipment with a water separator by azeotropic rectification was used to the synthetic reaction of isopentyl acetate.
一种带共沸精馏分水的新型酯化反应实验装置用于合成乙酸异戊酯。
The hydrated ferric sulfate was used as a catalyst for esterification of alcohol with glacial acetic acid and discussed the best condition in reaction of esterification.
报道了以硫酸铁水合物作催化剂合成乙酸酯的研究结果，并讨论了该酯化反应的最佳条件。
The hydrated ferric sulfate was used as a catalyst for esterification of alcohol with glacial acetic acid and discussed the best condition in reaction of esterification.
报道了以硫酸铁水合物作催化剂合成乙酸酯的研究结果，并讨论了该酯化反应的最佳条件。
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