该复杂反应的特征在于酮-烯醇互变异构平衡和酯交换反应。
This complex reaction is characterized by a keto-enol tautomerism equilibrium and ester exchange reaction.
该酯交换反应遵循二级反应动力学。
The transesterification obeys a second order reaction kinetics.
并提出了如何测定酯交换反应程度的设想。
The way of how to measure the degree of transesterification is given.
探讨了酯交换反应和磷酸化反应的合成原理。
Synthetic principles of ester exchanging reaction and phosphating reaction were investigated.
非水相中的酶促酯交换反应广泛应用于油脂的改性。
Enzymatic interesterification in non-aqueous phase has been widely used for improving the quality of oil and fats.
此螯合反应是由酮—烯醇互变异构平衡过程和酯交换反应组成。
This complex reaction is characterized by a keto enol tautomerism equilibrium and ester exchange reaction.
此螯合反应是由酮一烯醇互变异构平衡过程和酯交换反应组成。
This complex reaction is characterized by a keto-enol tautomerism eqilibrium and ester exchange reaction .
固体碱催化植物油酯交换反应，产率、转化率达98.5 %以上。
Vegetable oil ester-exchange reaction is catalyzed by solid base catalyst, the yield and conversion of oil is over 98.5%.
生物柴油作为一种可再生能源，可以由动植物油脂通过酯交换反应来制备。
Biodiesel fuel, as a renewable energy and pro-environmental energy, can be produced by the transesterification reaction of vegetable oils or fatty acids with short chain alcohols.
这些香料都是以草酸二乙酯与相应的醇为原料，通过酯交换反应来合成的。
This flavour is synthesized by the ester interchange using diethyl oxalate and relative alcohol as materials.
该文以牛油为原料，在KOH的催化作用下与甲醇酯交换反应制备生物柴油。
The biodiesel production through transesterification reaction from tallow with methanol was studied, and KOH was used as catalyst.
动力学分析表明：酯交换反应在转化率为95%之前，符合二级反应动力学模型。
The analysis of transesterification kinetics shows that the transesterification obeys a second-order reaction kinetics model when the transform ratio is under 95%.
生物柴油作为一种清洁的可再生能源，可以由动植物油脂通过酯交换反应来制备。
Biodiesel is a kind of clean and renewable energy, which can be produced by transesterification reaction of vegetable oils or animal fat.
三酯型乌头生物碱的C位乙酰基被各种长链脂肪酰基取代的酯交换反应为首次报道。
It is the first time to report that C8-acetyl is displaced by long chain fatty acyl for triester-aconitines in the ester-exchange reactions.
加入催化剂所引起的酯交换反应改变了共混物的结构，使共混物的力学性能有所下降。
The transesterification, caused by the addition of catalyst, affects the structure of blends and the mechanical properties of blends decrease.
由硬脂酸乙酯与蔗糖在无毒溶剂丙二醇存在下进行酯交换反应，合成了硬脂酸蔗糖酯。
The poison methyl alcohol has been replaced by alcohol to react with Stearic acid and to synthesize the ethyl stearate.
在乳化反应体系中，对固定化脂肪酶催化菜籽油与甲醇的酯交换反应条件进行了优化。
Optimized the immobilized lipase catalyze transesterification reaction of rapeseed oil with methanol which was in emulsified reaction system.
由硬脂酸乙酯与蔗糖在无毒溶剂丙二醇存在下进行酯交换反应，合成了硬脂酸蔗糖酯。
The ethyl stearate react with sucrose and to synthesize the sucrose fatty acid ester in the poisonless solvent (propanediol).
综述了固体碱催化剂的种类及其特点，讨论了固体碱催化剂在油脂酯交换反应中的应用。
The variety and characteristics of solid base catalyst were summarized. And the application of solid base catalyst in the transesterification of lipid was discussed.
大豆油脚浸出油与甲醇在催化剂koh作用下通过酯交换反应制得生物柴油(BDF)。
Biodiesel fuel (BDF) has been made by transesterification of extracted oil of soybean oil sediment with methanol in the presence of KOH as catalyst.
以碳酸钾为催化剂，在一定温度下乙醇和碳酸二甲酯进行酯交换反应合成了碳酸甲乙酯。
The synthesis of ethyl methyl carbonate(MEC) using the transesterification of ethanol and dimethyl carbonate(DMC) catalyzed by K 2CO 3 under certain temperature was studied.
研究了D,L -丙交酯在浓硫酸催化作用下与正丁醇进行酯交换反应合成乳酸丁酯的条件。
Butyl lactate was synthesized by the ester exchange reaction of d, L-lactide and n-butanol under the catalysis of sulfuric acid.
用MNDO方法对磷酰化组氨酸磷上酯交换反应侧链咪唑基所参与的六配位磷机理进行了研究。
The ester exchange reaction on phosphorus of N-phosphorylhistidine with primary alcohol has been studied by MNDO method.
考察了钛酸盐的种类、制备方法、晶型对催化碳酸二甲酯（DMC）与正丁醇酯交换反应的影响。
Performance of nano-titanate as catalyst for synthesis of dibutyl carbonate(DBC)from methyl-carbonate(DMC)and n-butanol was investigated.
本文采用固体碱催化油脂和醇进行酯交换反应制备脂肪酸酯，着重于固体碱催化剂的研制及工艺优化。
The paper describes the transesterification reaction of oil and fat with alcohol to make fatty acid ester in presence of a solid base catalyst.
酯交换抑制剂的加入，降低了共混体系的力学性能，适当的酯交换反应有利于共混体系力学性能的提高；
The result showed that impact strength of the blending system increased, while tensile strength, flexural strength and flexural modulus decreased with the addition of impact modifier ACR;
水蒸汽蒸馏技术实现生物柴油与未反应原料的有效分离，不需要二次酯交换反应就获得了高纯度的生物柴油。
Biodiesel and material is separated effectively through water vapour distillation, and the high pure degree biodiesel is acquired without double transesterification.
在气相色谱上，乙酰乙酸甲酯、乙酰乙酸乙酯、3-氧代戊酸甲酯与醇在无任何催化剂存在下，发生酯交换反应。
Gas chromatography(GC) as a chemical reactor, methyl acetoacetate, ethyl acetoacetate, and methyl(3-oxo) pentanoate can undergo transesterfication with various alcohols without any catalyzers.
在气相色谱上，乙酰乙酸甲酯、乙酰乙酸乙酯、3-氧代戊酸甲酯与醇在无任何催化剂存在下，发生酯交换反应。
Gas chromatography(GC) as a chemical reactor, methyl acetoacetate, ethyl acetoacetate, and methyl(3-oxo) pentanoate can undergo transesterfication with various alcohols without any catalyzers.
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