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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,采用酰氯代替酸作,不使用任何催化剂,不加热,常温反应来合成酯。

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Methods Infrared spectrophotometry with potassium bromide tabletting was adopted,in which the extract was carried out with the absolute alcohol as the solvent.

方法以无水溶剂进行提取,采用红外分光光度法(溴化钾压片)进行定性鉴

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Results Implantable chemotherapy pump by transcatheter right gastroepiploic artery(RGEA) in 3 cases and tumors absolute alcohol injection in 7 cases were operated successfully by laparoscopy.

3例腹腔镜下胃网膜右动脉置入化疗泵和7例无水醇注射均成功,肿瘤区域显影良好,无副损伤和并发症,患者早期恢复顺利。

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3G, 401(K), a,

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