ester exchange是什么意思

网络释义

用法例句

Intensification of transesterification reaction by hydrodynamic cavitation technique for biodiesel preparation;

水力空化技术强化酯交换(反应)合成生物柴油的研究

Progress in oil and fat transesterification catalysts;

油脂酯交换(反应)催化剂的研究进展

Effect of ultrasonic on the transesterification of methanol-oil immiscible system;

超声波辐射对醇-油不相容体系酯交换(反应)的影响

A new process of ester exchange reaction for producing 1-hydroxy-2-methyl-4-acetyloxy-2-butene from 1-formyloxy-2-methyl-4-acetyloxy-2-butene was proposed.

用碱性阴离子交换树脂催化1-甲酰氧基-2-甲基-4-乙酰氧基-2-丁烯进行酯交换(反应)制备1-羟基-2-甲基-4-乙酰氧基-2-丁烯,反应的选择性由85%提高到99。

Soak method was adopted to make the KF/CaO solid alkali catalyst and applied in the ester exchange reaction of the animal grease-methyl alcohol.

采用浸渍法制备KF/CaO固体碱催化剂,并应用于动物废油脂-甲醇的酯交换(反应)中,考察了催化剂的制备及酯交换(反应)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.

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。

With zinc acetate as catalyst and steric phenol Weizufen 1010 as antioxidant,the transesterification reaction conditions of NDC with EG and processing conditions for BHEN polycondensation were optimized by orthogonal experimentation.

通过2,6-萘二甲酸二甲酯与乙二醇酯交换(反应)合成中间体2,6-萘二甲酸乙二醇酯(BHEN),探讨了BHEN缩聚反应合成聚萘二甲酸乙二醇酯的影响因素,筛选出醋酸锌为催化剂、位阻酚1010为抗氧剂,采用正交实验设计方法,确定了酯交换(反应)和缩聚反应的较优工艺条件。

By orthogonal (experimentation),the optimum transesterification reaction conditions of NDC with EG were obtained as follows: reaction temperature 210 ℃;mole ratio of EG/NDC 2.

聚萘二甲酸乙二醇酯是一种热塑性聚酯材料,文中研究 2,6 萘二甲酸二甲酯与乙二醇酯交换(反应),筛选出适宜的反应催化剂、N2 流量,采用正交实验,确定了 NDC与 EG酯交换(反应)较优的工艺条件:反应温度为210 ℃,EG/NDC摩尔比为2。

Types, characteristics, catalytic activity and life of the diesel oil solid catalyst, which is prepared through transesterification reaction is described.

叙述了催化酯交换(反应)制备生物柴油固体催化剂的类型及特点、催化活性和寿命,介绍了近期有关固体非均相催化酯交换过程强化研究及其对反应和转化率的影响。

Cocoa butter equivalent(CBE)production from palm oil m idfraction(POMF)and stearic acid methyl ester(SAME)by interesterification cataly zed by 1,3 specific lipases in solvent free system was studied.

研究了在无溶剂系统中 ,利用 1,3位置特异性脂肪酶催化POMF与硬脂酸甲酯进行酯交换(反应)制取类可可脂。

The enzymecatalyzed interesterification of Chinese vegetable tallow and methyl stearate to produce cocoa butter equivalent was studied.

考察了无机盐、水活度、温度以及有机溶剂等因素对酯交换(反应)的影响，进行了产物分离和性能检测以及固定化脂肪酶的稳定性实验。

An interesterification reaction between ER and PC in the blends could be concluded from the observations of the shift to low frequencies of the streching vibration bands of carbonyl group of the blends.

FTIR测试揭示了PC在共混固化过程中发生了显著的酯交换(反应)。

Study on ester-exchange reaction of soybean oil catalyzed by solid base;

固体碱催化大豆油酯交换(反应)的研究

Lipo-alkaloids in Sini Decoction stemmed from ester-exchange reactions;

四逆汤中脂类生物碱来源于酯交换(反应)的研究

Vegetable oil ester-exchange reaction catalyzed by solid base catalyst gives the yield and coversion of oil over 98.

固体碱催化剂LDH/LDO进行植物油酯交换(反应) ,产率、转化率达 98。

The ester exchange reaction on phosphorus of N - phosphorylhistidine with primary alcohol has been studied by MNDO method.

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。