| 1. | Microwave is very effective to accelerate the esterification reactions
结果表明，微波可显著促进松香的酯化反应。 |
| 2. | Esterification reaction mechanism on the surface of so42 - zro2 solid superacid catalysts
2固体超强酸催化剂上的酯化反应机理 |
| 3. | The esterification reactions of rosin with ethanol , ethane glycol and glycol under the irradiation of microwave and ultrasound have been investigated in the present paper
摘要该文对在微波和超声波辐照下的松香与醇的酯化反应进行研究。 |
| 4. | The conversion , the utilization rate of raw materials and the product yield of esterification reactions are raised by applying the catalytic rectification process
摘要催化精馏技术应用于酯化反应体系，提高了反应的转化率、原材料利用率和产品收率。 |
| 5. | The catalytic activity of iodine in the esterification reaction was studied by synthesis cyclohexyl acetate from acetic anhydride , cyclohexano and acetic acid , cyclohexano
摘要以单质碘为催化剂，通过乙酸酐、环己醇及乙酸、环己醇为原料合成乙酸环己酯，对碘的催化活性进行了研究。 |
| 6. | Soluble in water and many organic solvent , owning good lubricity and thermal stability , almost having no toxicity and excitability , being able to occur esterification reaction and etherification reaction with other compounds
能溶于水和多种有机溶剂，有优越的润滑性及热稳定性，几乎没有毒性和刺激性，可与其他化合物起酯化、醚化反应。 |
| 7. | They were used as efficient lewis acid catalysts for esterification reactions of carboxylic acids with alcohols to afford corresponding saturated esters with 87 % ~ 98 % yields and unsaturated and tertiary ones with 90 % ~ 94 % and 54 % ~ 68 % yields , respectively
结果表明，该有机锡化合物是合成酯的优良催化剂，产品收率高，饱和一元羧酸酯的收率为87 % ~ 98 % ，对不饱和羧酸酯和空间位阻大的叔醇酯也能得到较满意的收率，分别为90 % ~ 94 %和54 % ~ 68 % 。 |
| 8. | Abstract : by comparing the dehydration methods of three catalytic by comparing the dehydration methods of three catalytic esterification reactions and the catalysts used under negative by comparing the dehydration methods of three catalytic esterification reactions and the catalysts used under negative pressure , the better method of synthesizing 2 - ethylhexyl chloroacetate is using stannous oxide as catalyst under negative chloroacetate is using stannous oxide as catalyst under negative pressure
文摘:通过对三种催化酯化反应的脱水方法及负压下使用不同催化剂的比较和通过对三种催化酯化反应的脱水方法及负压下使用不同催化剂的比较和选择，提出了以氧化亚锡为催化剂负压脱水合成氯乙酸2 -乙基己酯的方法。 |
| 9. | The technical difficulties in low - alcohol liquor production mainly cover the following aspects : the bleeding of ethyl palmitate , ethyl oleate and ethyl linoleate etc . after alcohol - degrading might produce the lost of gloss , turbidity and precipitate ; the suspended substances produced in distillation and packing , the production water , and the metal ions contained in production containers are the main reasons for the precipitate in liquor ; besides , the hydrolization reaction and esterification reaction of liquor body during shelf period would also produce the lost of gloss , turbidity and precipitate
低度白酒生产过程的技术难点主要是白酒降度产生失光、浑浊、沉淀，其主要原因是由于降度后棕榈酸乙酯、油酸乙酯和亚油酸乙酯等析出；蒸馏、包装等过程带入的悬浮物，生产用水、生产容器所含金属离子等为低度白酒产生沉淀的主要原因；还有低度白酒酒体在货架期的水解、酯化反应也会引起低度白酒产生失光、浑浊和沉淀。 |
