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.
以碳酸钙为基础材料，制成高效酯交换催化剂甲醇钙。
A new solid base catalyst of calcium methoxide was made with calcium carbonate as the starting material.
固体酸性催化剂作为酯交换的催化剂是当前的研究热点。
The solid acid catalyst attracted much attention as the transesterification catalyst in recent research.
酯交换和相容是聚酯共混物熔融时相互关联的两个过程。
Both events are interrelated in the molten state of polyester blends.
该反应通过酯交换替换甘三酯中的酰基基团来改善油脂性质。
This reaction provides a useful alternative for replacing the acyl group of glycerides to modify oil and fats.
重点综述了无溶剂酯交换二步法合成蔗糖脂肪酸多酯的工艺；
Different technologies for the preparations of SPE, including solvent method, non-solvent method and phase transfer catalyst method, were introduced.
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 .
介绍了碳酸二甲酯与苯酚酯交换合成碳酸二苯酯的反应热力学。
Reaction thermodynamics of diphenyl carbonate (DPC) synthesis by the transesterification reaction from dimethyl carbonate and phenol is introduced.
在42个酯交换油样品中有39个样品的酯交换效果是十分满意的。
Among the 42 samples the interesterification effect of 39 samples are satisfactory.
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.
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.
油脂酯交换催化剂有：常用酸碱催化剂、酶、固体碱、碘、金属配合物等。
The oil transesterification catalysts include usually used acid-base catalyst, solid base, lipase, iodine, metal complex, et al.
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.
酯交换是油脂改性主要方法之一，使用催化剂可降低反应温度，加快反应速度。
Transesterification is one of main methods of oil modification. Catalysts are used to decrease reaction temperature, accelerate reaction velocity.
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.
可见，反应-萃取技术对PC与甲醇酯交换合成DMC反应具有较好的促进作用。
It is obvious that the reaction of synthesizing DMC by transesterification of PC and methanol can be promoted preferably by the reactive extraction technique.
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 ethyl stearate react with sucrose and to synthesize the sucrose fatty acid ester in the poisonless solvent (propanediol).
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.
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.
它需要进行一个被称作“酯交换”的过程，就是在催化剂的作用下，将咖啡渣与乙醇进行反应。
It employs a process called transesterification, which reacts the grounds with an alcohol in the presence of a catalyst.
它需要进行一个被称作“酯交换”的过程，就是在催化剂的作用下，将咖啡渣与乙醇进行反应。
It employs a process called transesterification, which reacts the grounds with an alcohol in the presence of a catalyst.
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