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- ethyl acetone 乙基丙酮
- The solvents we used were acetone,methyl ethyl ketone,methyl isobutyl ketone,ethyl acetate and vinyl acetate. 对丙酮、甲苯、丁酮、甲基异丁基酮、乙酸乙酯、醋酸乙烯酯等溶剂进行了评选。
- In the two eluants, the ratio of ethyl acetate or acetone to benzene depended on the elution order. 在两种洗脱剂系统中,乙酸乙酯或丙酮对苯的比例根据试验的洗脱顺序而定。
- The extracts were easy to dissove in water, diluent acidic solutions and diluent alkaline solutions except ethanol, aether, ethyl acetate and acetone. 然后，对林蛙头提取物进行了理化性质分析。 结果表明，林蛙头提取物易溶解于水中和稀酸溶液中，尤其易溶于稀碱溶液中，不溶于乙醇，乙醚，乙酸乙酯，丙酮等有机溶剂。
- The ginger powder extracted with acetone was 8. 6%. 用丙酮和鲜姜汁制取丙酮粉，得率为8.;6%25。
- Results The bacteriostasis effece of aqueous extract and alcohol extract is better than that of acoet extract, acetone, ethyl. 结果：乌蕨醇提物、水提物抑菌作用明显强于其乙酸乙酯提物、丙酮提物、正丁醇提物。
- The result shows that, on over 2.5 times content of Daidzin in materials can be arrived with the hybrid extraction of acetone and ethyl acetate. 结果表明;丙酮和乙酸乙酯的组合萃取可以将原料中大豆黄苷的含量提高2.;5倍以上。
- To introduce the ethyl group into(a compound). 使乙基化把乙基引入（一化合物）
- Abstract： The antioxidant of Terminalia chebula Rotz are distilled by the ultrasonic extraction method with acetone, ethyl acetate and 85% ethanol. 摘 要： 以丙酮、乙酸乙酯、85%25乙醇作溶剂，用超声法提取诃子中的抗氧化成分。
- The antioxidant of Terminalia chebula Rotz are distilled by the ultrasonic extraction method with acetone, ethyl acetate and 85% ethanol. 摘要以丙酮、乙酸乙酯、85%25乙醇作溶剂，用超声法提取诃子中的抗氧化成分。
- 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。
- The Daidzin was obtained with a purity of 90% using acetone circumfluence extraction and the hybrid extraction of acetone and ethyl acetate. 利用丙酮回流萃取，然后丙酮、乙酸乙酯组合萃取可以得到90%25纯度的Daidzin产品；
- Soluble in acetone, diethyle ether, ethyl acetate, hot CCL4 and hot alcohol, slightly soluble in gasoline, insoluble in kerosene &H2O. 溶于丙酮、苯、甲苯、乙醚、乙酸乙酯、热四氯化碳、热醇，微溶于汽油，不溶于煤油和水。
- Results:The bacteriostasis effece of aqueous extract and alcohol extract is better than that of acoet extract,acetone,ethyl. 结果:乌蕨醇提物、水提物抑菌作用明显强于其乙酸乙酯提物、丙酮提物、正丁醇提物。
- The process for renovating acetone stripper system is described. 介绍了丙酮汽提塔系统的工艺改造过程。
- Such organic solvent as turpentine, gasoline and acetone etc. 松节油、汽油、丙酮有机溶液。
- Is water repellent, insoluble in alcohol or acetone. 圈内切片或细胞可用醛类,乙醇或丙酮固定。
- The dry fruiting body of Dictyophora echinovolvata is extracted by acetone,ethyl alcohol,waler in room temperature (20-28t) and at boiling point respectively. 用丙酮、乙醇、水对棘托竹荪子实体干品进行室温和沸点提取;丙酮提取得率为3.;05%25和4
- Ethyl acetate(71. 41b)was added to the slurry in the vessel. 把醋酸乙酯71.;4磅加到容器中的浆液内。
- BDM are prepared in acetone with different water content. 用含水量不同的丙酮作溶剂,合成了二苯甲烷双马来酰亚胺(BDM)。
