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- A modified method for the synthesis of propionoin from ethyl propionate and sodium by ultrasonic wave was studied. 丙酸乙酯与金属钠还原缩合,采用超声波加速反应合成丙偶姻。
- Using liquid-phase esterification as a probe-reaction the catalytic activity of niobic acid on the synthesis of ethyl propionate was studied. 首次以丙酸与乙醇的酯化反应为探针反应,探索了铌酸液相催化合成丙酸乙酯的适宜条件。
- Additionally, the compounds such as juice of cushaw, juice of cucumber, ethyl butanoate, ethyl propionate and butyl acetate at a volume of 1.0, 3.0, 0.1, 0.05 and 0.5 mL acts as oviposition-lured. 结果表明，南瓜、黄瓜、丁酸乙酯、丙酸乙酯和乙酸异丁酯在瓜实蝇幼虫人工饲料中添加量分别为1.;0、3
- 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。
- Alkaline Lipase Catalyzed Syntheses of Ethyl Propionate 碱性脂肪酶催化合成丙酸乙酯的研究
- This paper deals with the application of a Ni/C catalyst to the reaction for synthetising propionic acid and ethyl propionic by vapor phase carbonylation of ethanol. 研究了负载在活性炭上的镍催化剂在乙醇气相羰化合成丙酸及丙酸乙酯反应中的应用，考察了各种影响反应的因素。
- Catalytic Synthesis of Ethyl Propionate with P-Toluene Sulfonic Acid 对甲苯磺酸催化合成丙酸乙酯
- Catalytic synthesis of ethyl propionate by copper p-toluene sulfonate 对甲苯磺酸铜催化合成丙酸乙酯
- Keywords alkaline hyarolysis of ethyl propionate;CTAB micellar solution;activationparameter;ion-exchange model;thermokinetics; 丙酸乙酯碱解反应;CTAB胶束溶液;活化参数;离子交换模型;热动力学;
- ethyl propionate 丙酸乙酯
- OBJECTIVE To synthesize Fluticasone propionate. 目的合成丙酸氟替卡松。
- To introduce the ethyl group into(a compound). 使乙基化把乙基引入（一化合物）
- Isoamyl propionate is a colorless liquid with a pineapple and pear aroma, slightly soluble in water, miscible in ethanol, ethyl ether, insoluble in glycerin. 丙酸异戊酯是无色液体，具有菠萝及洋梨香气,微溶于水，可混溶于乙醇、乙醚，不溶于甘油 。
- The sodium 2C 14 alkyloxy propionate (2TAPS) was synthesized by ethyl 2chloropropinate prepared from acrylicacid and tetradecanol.Its physicochemical properties were determined. 以丙烯酸和十四醇为主要原料,首先合成了2氯丙酸乙酯,然后制得了2十四烷氧基丙酸钠;
- Fluticasone propionate was adopted to treat for 12 weeks. 选用丙酸氟替卡松连续治疗12周,比较治疗前后病情、肺功能变化。
- The best Sodium dehydroacetate/Calcium propionate ratio is 2:3. 脱氢醋酸纳和丙酸钙的最佳比例为2:3。
- Clobetasol propionate is a potent topical corticosteroid. 丙酸氯倍他索属外用的强效皮质激素。
- 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。
- Ethyl lactate was synthesized with sodium bisulfate. 采用硫酸氢钠为催化剂合成乳酸乙酯。
- An alcoholic liquor distilled from grain, such as corn, rye, or barley, and containing approximately40 to50 percent ethyl alcohol by volume. 威士忌酒一种从谷类如玉米、黑麦或大麦等提炼出来含酒精液体，按容量包含约40％至50％的乙醇
