| 1. | Progress in transesterification of dimethyl carbonate 碳酸二甲酯酯交换反应研究进展 |
| 2. | Reaction kinetics of transesterification between vegetable oil and supercritical methanol 超临界甲醇中的酯交换反应及其动力学 |
| 3. | Ester exchange reaction 酯交换反应 |
| 4. | 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。 |
| 5. | 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。 |
| 6. | For instance , in the above case the methyl ethyl phenylmalonate may be accompanied by the products formed by ester - interchange reactions , namely the dimethyl and diethyl phenylmalonates 比如在上面的例子中,甲基乙基苯基丙二酸酯伴随有酯交换反应形成的产品,也就是二甲基苯基丙二酸酯和二乙基苯基丙二酸酯。 |
| 7. | 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。 |
| 8. | 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。 |