• The esterification conversion was about 90%.

    反应最终转化率可接近90%。

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  • The esterification rate is over 98% under the optimized conditions.

    在此条件下脂肪酸甲酯化达到98%以上。

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  • The kinetics of esterification is discussed and kinetic equation set up.

    探讨了酯化动力学建立了动力学方程

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  • The esterification mechanism of unsaturated carboxylic acid was analyzed.

    分析不饱和羧酸酯化反应机理

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  • Results Optimum conditions of esterification were determined with yield of 94.6%.

    结果优化反应条件下收率最高达94.6%。

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  • The effects of reaction temperature and catalyst on esterification has been discussed.

    讨论了反应温度催化剂酯化过程影响

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  • Sodium bisulfate can be used as a catalyst for esterification instead of sulphuric acid.

    硫酸氢能够代替硫酸作为酯化作用催化剂

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  • The catalysis of PTFE strong acidic cation exchange fiber was studied in esterification.

    研究PTFE酸性离子交换纤维材料酯化反应中的催化性能。

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  • Ferric chloride can be ased as catalyst for the esterification instead of Sulphuric acid.

    氯化铁能够代替硫酸作为酯化作用催化剂

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  • Pre-esterification of China wood oil catalyzed by solid acid in fixed bed reactor was researched.

    利用固定反应器固体为催化剂催化桐油预酯化反应。

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  • 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研究进展

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  • The delustrant adding position was moved from slurry autoclave to second esterification autoclave.

    介绍消光剂加入位置浆料改为第二酯化釜的情况。

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  • The preparation and characterization of PVA MA membranes by crosslink esterification are described.

    介绍聚乙烯醇(PVA)与马来酸(MA酯化制备性能表征

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  • The conditions of esterification reaction and the catalytic stability of the resin were investigated.

    考察反应条件酯化反应影响树脂催化稳定性

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  • 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影响

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  • The preparation of Chitosan Sulfate and its application as catalyst in esterification were summarized.

    本文综述壳聚糖硫酸盐制备作为催化剂酯化反应中的应用研究。

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  • The effects of esterification and graft copolymerization on surface free energy of wood were analyzed.

    确定木材酯化接枝共聚改性对木材表面自由变化的影响因素。

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  • The chemical method include treating with sulfuric acid, saponification, acylation, esterification, etc.

    化学方法包括酸洗法、皂化法酰化法酯化法

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  • The esterification condition of Benzoic acid and antimicrobial activity of methyl benzoate were studied.

    苯甲酸甲酯化合成工艺条件菌效果进行了研究。

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  • The effect of the esterification on contact angle is obviously bigger than that of graft copolymerization.

    酯化处理所产生接触增大作用要比接枝共聚所产生的作用大;

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  • Under the influence of heat, the maleate structure formed in the esterification tends to isomerize into fumarate.

    树脂酯化反应生成顺丁烯二酸酯结构受热的影响会产生顺、反异构化反应。

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  • A kind of solid acid catalyst can be used repeatedly as esterification catalyst to synthesize iso-octyl salicylate.

    选用重复使用固体催化剂,复相催化合成水杨酸异辛酯。

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  • Based on the experimental results the mechanism of liquid-phase esterification catalyzed by solid acid is suggested.

    依据实验结果,提出了固体催化剂作用下液相酯化反应机理

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  • Enoxaparin sodium was prepared from heparin sodium via salinization, esterification, depolymerization and purification.

    为原料,成盐、酯化、解聚纯化得到依诺肝素钠。

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  • METHODS Cilnidipine was synthesized from cinnamyl alcohol by esterification, feminization and condensation - cyclization.

    方法肉桂为原料,酯化、氨化缩合-环合而得。

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  • At the same time the esterification of black rice pigment was analysed by infrared spectrum, visible spectrum and solubility.

    同时通过红外光谱可见吸收光谱溶解性黑米色素酯化进行了初步探讨。

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  • 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甲醇进行的甲酯反应

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  • The direct esterification of acetic acid with benzyl alcohol by use of polystyrene supported aluminium trichloride as the catalyst.

    采用聚苯乙烯负载氯化铝催化剂醋酸酯化反应进行了研究。

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  • The phytosterol esters (PE) are the esterification products of phytosterols, its lowering cholesterol effect is better than the later.

    植物甾醇PE酯化产物,具有比植物甾醇优的脂溶和更佳胆固醇效果

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  • The phytosterol esters (PE) are the esterification products of phytosterols, its lowering cholesterol effect is better than the later.

    植物甾醇PE酯化产物,具有比植物甾醇优的脂溶和更佳胆固醇效果

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