propionaldehyde
英
美
网络 丙醛; 正丙醛; 甲基乙醛
双语例句
- The Kinetic Study of Reactions of O (~ 3p) with Propionaldehyde and Butyraldehyde
O（~3p）原子与丙醛和正丁醛化学反应动力学研究 - The ratios of formaldehyde to acetaldehyde and acetaldehyde to propionaldehyde indicated that carbonyl compounds in Beijing air mainly originated from anthropogenic sources.
分析大气中醛酮化合物浓度，结果表明，北京醛酮化合物污染主要来自人为源，并且甲醛、乙醛和丙醛具有相似的源和汇。 - Contents of aldehydes and propionaldehyde reduced on storage and old cucumbers. Trans-caryophyllene disappeared after 3 day of storage.
贮藏果实和衰老果实中乙醛、丙醛含量下降，反式石竹烯经贮藏后消失，特征风味化合物反，顺-2,6-壬二烯醛含量不下降。 - A new path for the preparation of leaf alcohol with 3-chloropropanol, triphenylphosphine and propionaldehyde through Wittig reaction was studied.
本文研究了以3-氯丙醇，三苯基膦和丙醛为原料利用威蒂希反应合成叶醇的新路线。 - The experimental results showed that UASB could effectively remove 3-( Methylthio) propionaldehyde which was main malodor component of wastewater.
试验结果显示，UASB可以有效地去除废水中的主要恶臭物质甲硫基丙醛。 - Process and Economic Evalution of Propanoic Acid Produced by Propionaldehyde Oxidation Method
丙醛氧化法生产丙酸的技术与经济 - Changes of Acetaldehyde. Propionaldehyde and Trans-caryophyllene Contents on Cucumber Fruit during Fruits Development and Storage
乙醛、丙醛和反式石竹烯在黄瓜发育和贮藏过程中的变化 - Study of Homogeneous Catalytic Hydrogenation of Propionaldehyde to Propanol
丙醛均相催化加氢制丙醇的研究 - There were still a small amount of pentanal and hexanal and a little butyraldehyde, acetone, acetaldehyde and propionaldehyde.
醛类挥发物中除甲醛外还有少量的戊醛和己醛，微量的丁醛、丙酮、乙醛和丙醛。 - About the separation problems of propionaldehyde and water, researched propionaldehyde production and separation process, analyzed the advantages and disadvantages of the various separation methods, by referring to a large number of domestic and foreign literature.
针对丙醛和水的分离中存在的问题，查阅了大量的国内外文献，对丙醛的生产和分离工艺进行了研究，分析了各种分离方法的优缺点。 - The production status of the propionaldehyde, the method of synthesis and the separation status of propionaldehyde were summarized at home and abroad in this paper.
本文概述了国内外丙醛的生产状况、合成方法以及丙醛的分离现状。