transesterification

英音[ trænsəsterəfɪˈkeɪʃən ] 美音[ trænsəsterəfɪˈkeɪʃən ]

酯交换反应

常用释义

n. [有化] 酯基转移；酯基转移作用

扩展信息

转酯化

以转酯化(Transesterification)反应或其它制程方式，将植物油制备为较低密度及黏度之甲基酯或称脂肪酸甲酯也就是所谓「生质 …

酯交换反应

酯交换反应(transesterification),即酯与醇在酸或碱的催化下生成一个新酯和一个新醇的反应，即酯的醇解反应。酯化反应为可逆 …

转酯化反应

目前生质柴油工业上生产的方式是转酯化反应 (transesterification)，即利用动、植物油脂 (三酸甘油脂) 和低碳醇以 NaOH 为触 …

转酯作用

转酯作用(transesterification)Claisen 缩合(condensation)? 酮(ketone) 与醛(aldehyde) 胺类(一级、二级、三级) 酮与醛的转化 se…

转酯基酌

化工英语常用词汇Z - 译帮专业英语在线翻译 ... 转子临计 rotameter 转酯基酌 transesterification 装料 charging ...

例句

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。

Biodiesel has been greatly interested as an alternative fuel and is produced by a transesterification reaction of oil with alcohol.

生物柴油作为一种代用燃料已引起广泛关注，并且可通过油与醇的转酯反应合成。

the temperature of transesterification should not be too high, and time not suitable to be too long.

酯交换反应的温度不宜太高，时间也不宜过长。

In this paper, biodiesel was pre- . pared by transesterification of lard by means of methanol, using solid basic catalyst.

本实验采用猪油在固体碱催化剂（氢氧化钾）与甲醇酯化反应制备生物柴油。

After the transesterification, happens the two phases separation, followed by the alcohol excess recovery and dehydration.

经过酯基转移后，进行两次相位分离，然后进行剩余酒精的复原和脱水。

Butyl methacrylate(BMA) was synthesized from n ? butanol and methyl methacrylate at homogeneous reaction by transesterification process.

采用酯交换工艺，在均相条件下，由甲基丙烯酸甲酯和正丁醇合成了甲基丙烯酸丁酯（BMA）。

Methods of synthesizing diphenyl carbonate included transesterification, urea and carbon disulfide.

其合成方法主要有酯交换法、尿素法和二硫化碳法等。

Biodiesel is long-chain fatty-acid methyl ester in essence, which can be produced by transesterification in industry.

生物柴油本质上是长链脂肪酸甲酯，工业上多通过酯交换反应进行生产。

The Ti-PILC catalyst showed high catalytic activity to the transesterification of DMC with phenol and DPC yield could reach up to 29. 1%.

该催化剂对于酯交换法合成 DPC 反应表现出良好的催化活性，其上 DPC 产率最高达 29.1%；

Ethyl lactate was synthesized by transesterification of D, L- lactide with ethanol utilizing concentrated sulfuric acid as catalyst.

研究了 D，L-丙交酯在浓硫酸催化作用下，与乙醇进行酯交换反应合成乳酸乙酯。

Activity of the zinc oxide catalysts was tested and the transesterification condition investigated.

对氧化锌催化剂进行了活性评价和反应条件研究。

The oil transesterification catalysts include usually used acid-base catalyst, solid base, lipase, iodine, metal complex, et al.

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。

Biodiesel is a kind of clean and renewable energy, which can be produced by transesterification reaction of vegetable oils or animal fat.

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。

The method of transesterification reaction for producing DPC was outlined, and the catalyst for the synthesis of DPC was reviewed.

笔者概述了碳酸二苯酯酯交换法的合成工艺，并对催化剂研究作了介绍。

The results show that, microwave and ionic liquid had synergetic effect on transesterification when using NaOH as catalyst.

研究结果表明，用碱作催化剂时，微波和离子液体对绝缘油的制备有协同促进作用。

What is the minimum number of transesterification reactions needed to splice an intron from an mRNA transcript? Why?

酯基转移反应从一个 mRNA 转录来拼接一个内含子的最小数目是多少？

The catalyst was reused for 10 times while the ratio of transesterification would not decrease.

这种催化剂循环使用 10 次，酯交换率没有下降。

Under the optimized conditions, the transesterification conversion of cottonseed oil reached 99. 42% and repeated use for ten times.

在此最佳工艺条件下，酯交换反应转化率达到了 99 .

transesterification type polymerization, ester exchange polycondensation

酯交换型聚合

Synthesis of Diphenyl Oxalate from the Transesterification of Dimethyl Oxalate with Phenol over the Different Molecular Sieve Catalysts

苯酚和草酸二甲酯在不同分子筛催化下的酯交换反应

Preparation of Dimethyl Carbonate through Transesterification in a Catalytic Distillation Column

酯交换法合成碳酸二甲酯的催化精馏过程研究

Synthesis of Dimethyl Carbonate by the Transesterification of Propylene Carbonate with Methanol Catalyzed by Potassium Titanate

钛酸钾催化碳酸丙烯酯和甲醇酯交换合成碳酸二甲酯

Determination of the components in transesterification synthesis of dimethyl carbonate by gas chromatography

酯交换法合成碳酸二甲酯过程产物的气相色谱分析

更新时间：2025-06-11 05:16