丙醛

bǐng quán
  • Propionaldehyde;propanal;propionic aldehyde;propylaldehyde;propional dehyde
丙醛丙醛
丙醛[bǐng quán]
  1. 丙醛、丙酸、丙醇的生产技术及市场前景

    Production Techniques and Market of Propionic Aldehyde and Propionic Acid and Propanol

  2. 介绍了以甲醛、丙醛为原料,水为反应介质,碱催化进行交叉康尼扎罗反应制备三羟甲基乙烷的方法。

    A method of preparing trimethylolethane from formaldehyde and propionic aldehyde in water was introduced in the presence of the base through cross Cannizzero reaction .

  3. PPh3-Rh/SiO2催化剂上干气中的乙烯氢甲酰化制丙醛研究

    Research for Hydroformylation of Ethylene in FCC Off-gas to Propanal Over PPh_3-Rh / SiO_2 Catalysts

  4. 光促CO2和C2H6反应主要生成丙醛、乙醇和乙醛;

    Photocatalysis reaction of CO_2 and C_2H_6 produced mainly propanal , ethanol and acetaldehyde .

  5. 应用RTPCR法和RNA酶保护试验(RPA)法测定2种NOS的表达,以2,3二羟基丙醛3磷酸脱氢酶(GAPDH)为内参。

    NOS expression was detected by using RT PCR and RNAase protection assay ( RPA ), and GAPDH was used as an internal standard .

  6. 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。

    The experimental results showed that UASB could effectively remove 3 - ( Methylthio ) propionaldehyde which was main malodor component of wastewater .

  7. 乙烯插入、羰基插入、H2的氧化加成和丙醛还原消除过程中三元环的形成是协同进行的。

    During the ethylene insertion , the carbonyl insertion , the oxidative addition of H 2 , and the aldehyde reductive elimination , the three-membered structures are formed .

  8. 本文采用四种降解体系(苯肼、硝基苯-过氧化氢、过硫酸钾-丙醛和高碘酸)制备液体天然橡胶(LNR)。

    This paper studied that liquid natural rubber ( LNR ) was prepared respectively by four types of oxidative degradation agents ( phenyl hydrazine , nitrobenzene-hydrogen peroxide , potassium persulfate-propionaldehyde and periodic acid ) .

  9. 结果表明,乙烯的氢甲酰化反应有两条主要的反应路径,经历了乙烯络合、乙烯插入、膦加成、羰基插入、H2的氧化加成和丙醛还原消除及催化剂的再生等过程。

    As shown , there are two domination reaction paths for this reaction and it passes through coordination of ethylene to rhodium , ethylene insertion , addition of phosphine , carbonyl insertion , oxidative addition of H 2 , and aldehyde reductive elimination with the regeneration of the catalyst .

  10. 以KF/Al2O3作催化剂,催化洋茉莉醛和丙醛的Claisen-Schmidt缩合反应合成了2-甲基-3-(3,4-亚甲二氧基苯基)丙烯醛,收率超过80%。

    Methyl 3 ( 3,4 methylenedioxyphenyl ) acraldehyde was synthesized through Claisen Schmidt condensation reaction of the heliotropin and propanal with KF / Al 2O 3 as a catalyst , in yield over 80 % .

  11. 利用吉化高压羰基合成装置生产丙醛及其系列产品

    Manufacturing propanal and its derivatives by high-pressure oxo - process

  12. 丙醛氧化法生产丙酸的技术与经济

    Process and Economic Evalution of Propanoic Acid Produced by Propionaldehyde Oxidation Method

  13. 丙醛的等离子体聚合以及聚合物的结构与性质初探

    Plasma polymerization of propylaldehyde and the structure and properties of the polymer

  14. 乙烯氢甲酰化催化合成丙醛的研究进展

    Progress in hydroformylation of ethene to propanal by catalytic synthesis

  15. 间苯二酚光度法测定环氧丙烷中丙醛的研究

    The Spectrophotometric Determination of Micro Propylaldehyde in the Epoxy Propane With Resorcin

  16. S-脯氨酸催化丙酮与2,2-二甲基丙醛不对称直接羟醛缩合反应过渡态的理论研究

    Transition State Study on the S-Proline-catalyzed Direct Aldol Reaction between Acetone and 2,2-Dimethyl-propionaldehyde

  17. 气相色谱法分析丙醛加氢制备正丙醇的过程产物

    Determination of propanal hydrogenation process product propanol by gaschromatography

  18. 丙醛均相催化加氢制丙醇的研究

    Study of Homogeneous Catalytic Hydrogenation of Propionaldehyde to Propanol

  19. 三氯甲基负离子进攻苯丙醛合成2-羟基-4-苯基丁酸

    Synthesis of 2-Hydroxy-4-Phenylbutyric Acid with Trichloromethyl Anion Attacking Hydrocinnamaldehyde

  20. 丙酮和丙醛分子的多光子电离碎片化机理

    The Multiphoton Ionization - fragmentation ( MPI F ) Study on Acetone and Propanal

  21. 肉桂醛选择性氢化合成苯丙醛工业技术研究

    Study on industrial process for synthesis of phenylpropyl aldehyde by selective hydrogenation of Cinnamaldehyde

  22. 3-羟基丙醛制备工艺的最新研究进展

    Research Progress of technological processes for 3-HPA preparation

  23. 酒精性肝病患者抗丙醛-乙醛加合物循环抗体滴度的测定

    The measurement of circulating antibodies against malondialdehyde-acetaldehyde adducts titers in patients with alcohol-induced liver disease

  24. 3&羟基丙醛加氢固定床催化剂的研究

    Study on fixed-bed hydrogenation catalysts for 3-hydroxy-propionaldehyde

  25. O(~3p)原子与丙醛和正丁醛化学反应动力学研究

    The Kinetic Study of Reactions of O ( ~ 3p ) with Propionaldehyde and Butyraldehyde

  26. 利用炼厂乙烯生产丙醛的技术及其市场分析

    Manufacture Technique and Market of Propaldehyde

  27. 乙醛、丙醛和反式石竹烯在黄瓜发育和贮藏过程中的变化

    Changes of Acetaldehyde . Propionaldehyde and Trans-caryophyllene Contents on Cucumber Fruit during Fruits Development and Storage

  28. β-羟基丙醛基态与激发态氢迁移反应的从头算研究

    Ab initio Study on the Hydrogen-transfer Mechanisms of the Ground-state and Exited-state of β - hydroxy Propaldehyde

  29. 本文综述了采用均相催化剂、均相固载化催化剂以及多相催化剂催化合成丙醛的研究成果。

    Recent development in hydroformylation of ethene to propanal by catalytic synthesis is introduced in this paper .

  30. 目的探讨丙醛-乙醛加合物是否参与了酒精性肝病患者的免疫反应。

    Objective To examine whether MAA adducts might participate in the immune response associated with human alcohol-induced liver disease .