| 1. | Ester exchange reaction
酯交换反应 |
| 2. | This complex reaction is characterized by a keto - enol tautomerism eqilibrium 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。 |
| 3. | Put together the pre - esterified grease and the methanol ; adopt secondary reaction to eliminate the glycerin engendered in the first reaction to continue the ester exchange reaction
经预处理的油脂与甲醇一起，采用二步反应，除去初反应中生成的甘油，使酯交换反应继续进行。 |
| 4. | The results of the study show that , when compared with the reaction intensified with mechanical agitation , low - frequency ultrasonic wave can greatly promote the ester exchange reaction and shorten the reaction time
研究结果表明，与机械搅拌增强反应比较，低频超声波可以大大强化酯交换反应过程，缩短反应时间。 |
| 5. | This article mainly focus on the selection and amelioration of catalyst . we think the mechanism of depolymerization reaction of the poly lactic acid ( oligomer ) is a intramolecular ester exchange reaction
本文从改善合成反应的催化条件入手，通过对丙交酯合成反应的机理分析，认为整个反应是一个酯化和分子内的酯交换的反应过程。 |
| 6. | Biodiesel oil is prepared from soya bean oil and methanol , the ester exchange reaction is conducted under ultrasonic conditions with alkali as the catalyst , and the effect is discussed of ultrasonic wave on the reaction
摘要以大豆油和甲醇为原料制备生物柴油，酯交换反应在超声波条件下以碱作为催化剂进行，讨论了超声波对反应的影响。 |
