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- Because of all these disvantages acetylchloride is used to react with absolute ethyl alcohol and synthesize ethyl acetate. 鉴于传统方法存在以上缺点,采用乙酰氯代替乙酸作为原料,不使用任何催化剂,不加热,常温反应来合成乙酸乙酯。
- Conclusion There is the best ratio different matching of and Frankincense Myrrh resisting gastric ulcer in mice induced by absolute ethyl alcohol. 结论乳香没药配伍抗无水乙醇致胃溃疡作用存在最佳配比。
- Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent. 采用无水乙醇、乙醚、丙酮及水作溶剂,对四川汉源花椒作了精油提取研究。
- Objective To observe the effect of different matching of Frankincense and Myrrh on resisting gastric ulcer in mice induced by absolute ethyl alcohol. 摘要目的观察乳香没药药对不同配比对无水乙醇致小鼠胃溃疡的保护作用。
- In the experiment, ethyl propionate was synthesized by reaction of propionic acid with absolute ethyl alcohol in the presence of p-Toluene sulfonic acid. 以丙酸和无水乙醇为原料,对甲苯磺酸作催化剂合成了丙酸乙酯。
- Absolute ethyl alcohol production by azeotropic distillation method 共沸精馏制备无水乙醇
- Keywords ethyl acetate;absolute ethyl alcohol;acetylchloride; 乙酸乙酯;无水乙醇;乙酰氯;
- Dispersion Behavior of Nanosized TiN Powder in Water and Absolute Ethyl Alcohol 纳米TiN粉末在水溶液和无水乙醇中的分散行为
- The Effect of Sea-buckthorn Seed Oil on Gastric Mucosa Lesion Caused by Absolute Ethyl Alcohol in Rat Model 沙棘籽油对实验性急性胃黏膜损伤的作用
- Evaluation of absolute ethyl alcohol for bilateral celiac plexus block guided by CT in the treatment of carcinomatous pain of abdomen CT引导下无水乙醇阻滞双侧腹腔神经丛治疗腹部癌性疼痛的评价
- Protective Effect of Sika Deer Immunocyte Active Factor on Gastric Mucosa Lesion Caused by Absolute Ethyl Alcohol in Mouse Model 梅花鹿免疫细胞活性因子对乙醇型胃粘膜损伤模型鼠的保护作用
- Critical Technique for Producing Absolute Ethyl Alcohol in the Process of Glycol Dehydration with Salt by Membrance Separation 用膜分离技术探析乙二醇加盐脱水法生产无水乙醇的关键技术
- absolute ethyl alcohol 无水乙醇
- the yield of the product is 72.0% under the reaction condition of the suitable amount of phosphate of 8g in 50mL absolute ethyl alcohol and the theoretical amount of sodium hydroxide, which is lower than the above evidently. 50mL无水乙醇中适宜的磷酸酯投入量为8g;氢氧化钠投入理论量;以磷酸酯计钠盐收率为72.;0%25;显著低于以95%25乙醇作溶剂的情况。
- Remove the ethyl alcohol use calcium carbonate impurity method? 用碳酸钙除去乙醇中的乙酸杂质的方法？？？
- A liquid containing iodine dissolved in ethyl alcohol, used as an antiseptic for wounds. 碘酊; 碘酒溶于酒精的碘的一种液体，用作防止伤口感染的药剂
- In Brazil, about 40% of all motor fuel is ethanol, also known as ethyl alcohol. 在巴西,所有机动燃料的大约40%25是乙醇,也就是酒精。
- In Brazil, about40% of all motor fuel is ethanol, also known as ethyl alcohol. 在巴西40%25机油是酒精，也是熟知的乙醛酒精。
- Label Statement: Contains flavor, propylene glycol and ethyl alcohol. 标签声明:本品含有香精,丙二醇和乙醇。
- The pigment was extracted with 80% ethyl alcohol containing 0.5% malic acid. 色素提取溶剂为含有0.;5%25苹果酸的80%25乙醉溶液。
