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- OBJECTIVE To compare the extraction effect of Corydalis yanhusuo by SFE(CO2) and alcohol refluxing method. 目的比较CO2超临界流体萃取法(CO2-SFE)和醇回流法提取元胡有效成分的优劣。
- Keywords Corydalis yanhusuo W.T.WANG;Supercritical fluid extraction（CO2）;Alcohol refluxing method;Tetrahy-dropalmatine; 元胡;CO2超临界流体萃取法;醇回流法;延胡索乙素;
- Alcohol refluxing method 醇回流法
- Methods Uses ultrasound and the ethyl alcohol reflux to extract Pueraria isoflavanones,applies the ultraviolet spectrophotometric method to determine the total content of isoflavanones. 方法采用超声和乙醇回流联合法提取葛根异黄酮,应用紫外分光光度法测定总异黄酮含量。
- MethodsSeveral extraction processes were used, such as decocting method, the refluxing method, leakaging method. 方法比较多种提取工艺。
- The refluxing method is better than the soaking method in determing the content of the polysaccharide. 采用回流提取法比模拟泡茶的方法提取的多糖要高。
- As compared with the conventional refluxing method, the present method showed a much high speed of reaction.The reactionary time shortens 2.5 hours. 与传统加热回流法相比,此法大大加快了反应速度,反应时间从原来的三小时缩短到半小时。
- Dumb-bell ZnO with high purity and uniform size was synthesized by ultrasonic-assisted reflux method. 摘要采用超声波辅助回流法制备了高纯度且尺寸一致的哑铃状氧化锌。
- To remove main disturbing ion,chlorine ion in the COD potassium dichromate reflux method,silver sulfate replaces mercury sulfate as a screening agent. 对COD重铬酸钾回流法中的主要干扰离子，氯化物的消除，选择了用硫酸银代替硫酸汞做掩蔽剂。
- This rapid efficient procedure reduced the reaction time to 10 min, and obtained the products with higher functionalized degree than that by the conventional refluxing method. 这种快速、高效的方法将反应时间缩短至10分钟，并得到了比传统回流方法具有更高接枝率的产物。
- The judge enjoined him from selling alcohol. 法官禁止他卖酒。
- METHODS:Anhydrovinblastine was extracted from catharanthus roseus fresh leaves in different ways:merceration,homogenate-cavitation,ultrasonic wave method and hot reflux method. 方法:分别采用冷浸法、匀浆-空化法、超声法、热回流法对长春花鲜叶进行提取并比较含量。
- Objective:To optimize the optimal alcoholic reflux and extrcact technology of Cortex Phellodendri in the Qinggong Xiaoyan Suppository by the orthogonal test. 目的:用正交实验优选清宫消炎栓中黄柏乙醇回流提取的最佳工艺条件。
- The influence of melt polycondensation and solvent refluxing methods of lactide polymerization and chain extension agents on relative molecular weight of polylactide was studied. 研究了乳酸熔融缩聚和溶剂回流脱水缩聚两种聚合方法及几种扩链剂对乳酸聚合物相对分子质量的影响。
- Objective:To explore the effect of CDFI with different patient positions and evoking reflux methods for diagnosing venous valvular incompetence(VVI). 目的：比较彩超不同体位和诱导方法评价静脉瓣功能不全的准确性。
- The method seems good but it needs to be tried out. 这个方法似乎不错，但需要试验一下。
- Jim's doctor advised him to forbear from alcohol. 吉姆医生建议他尽量不喝酒。
- From then on he abstained from alcohol. 从那时候起他就戒酒了。
- Alcohol has a very bad effect on drivers. 酒精对司机的影响很大。
- This substance is soluble in alcohol. 这种物质能够溶解在酒精中。
