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- Biodiesel is a kind of clean and renewable energy, which can be produced by transesterification reaction of vegetable oils or animal fat. 摘要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。
- A biodiesel was prepared by transesterification reaction between waste oils and methanol using self-made solid catalyst in a fixed bed reactor. 在固定床反应器中,采用自制固体催化剂催化废油脂与甲醇发生酯交换反应制备生物柴油。
- 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。
- It was found out the transesterification reaction of PEN and PET was significantly affected by the reaction time and temperature. 研究表明:PEN与PET的酯交换反应主要由反应时间和温度决定。
- The biodiesel production through transesterification reaction from tallow with methanol was studied, and KOH was used as catalyst. 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 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。
- Finds of the ultrasonic power, reaction time, ratio of wax to ethanol, catalyst dosage and reaction temperature on the transesterification reaction were studied. 研究了超声波功率、反应时间、蜡醇比、反应温度以及催化剂用量对二十八烷醇提取效果的影响。
- Glycerol monostearate with high purity was synthesized by transesterification reaction of methyl stearate and 3-hydroxyl of protected glycerol and hydrolyzation. 以硬脂酸甲酯和保护甘油的3-位羟基选择性地进行酯交换反应,再经过水解得到高纯度甘油单硬脂酸酯。
- The esterification of free fatty acids in the vegetable oil is particularly important, because it will affect the transesterification reaction, product yield and quality. 其中植物油脂中的游离脂肪酸的酯化特别重要,因为这将影响到酯交换反应及产品的收率与质量问题。
- The kinetic model of the lipase-catalyzed transesterification reaction was established to simulate the reaction process using the parameters regressed from the experiment data. 建立了用盐/盐水合物控制系统水活度的方法,并从理论上证明了该方法的可行性。
- METHODS: The chelating agent of the cement Calar, 1-hydroxy-2-ethylexyl salicylate, was synthesized by transesterification reaction between methyl salicylate and 1,3-butylenes glycol. 方法 :由水杨酸甲酯和 1,3-丁二醇在催化剂的作用下通过酯交换制成凝固螯合剂水杨酸 1,3-丁二醇酯 ,参照国外有关配方配制成Calar双糊剂型自凝氢氧化钙水门汀。
- At the same time the nonpolar solution containing high quality cottonseed oil was directly used for the transesterification reaction to produce fatty acid ester and glycerol at a lower cost. 以双液相萃取技术处理棉籽,在得到营养价值较高的无毒粗蛋白的同时,将含有高质量棉籽油的非极性溶液直接用于酯交换反应,从而生产出成本较低的脂肪酸酯与甘油。
- Many new technologies, such as elevated temperature and pressure technique, supper critical technique, can greatly accelerate the transesterification reaction of biodiesel production. 高温高压技术、超临界技术等被用于酯交换反应过程,反应可以在数分钟内完成。
- 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?
- Could I ask for your reaction to this policy? 我能问一下您对这个政策的反应吗?
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- I'm displeased at your reaction. 我对你的反应很不满意。
- The forces of reaction made reform difficult. 反动势力给改革造成了困难。
- His reaction on this matter is unexpected. 没料到,他对这件事的反应是这样的。
- Simulation and Optimization of Reactive Distillation for Dimethyl Carbonate Synthesis by Transesterification Reaction 酯交换法合成碳酸二甲酯的反应精馏过程模拟与优化