乙酯

yǐ zhǐ
  • ethyl ester
乙酯乙酯
乙酯[yǐ zhǐ]
  1. N,N-二甲基甘氨酸乙酯分解反应机理的理论研究

    Theoretical Study on the Mechanism of N , N-Dimethylglycine Ethyl Ester Pyrolysis

  2. 结果酮洛芬乙酯在人皮肤匀浆中的代谢产物以R酮洛芬为主。

    Results The main metabolite of ketoprofen ethyl ester in human skin homogenate was R-ketoprofen .

  3. N,N-二(8-羟基-5-喹啉甲基)甘氨酸乙酯的量子化学研究

    Studies on N , N-bis ( 8-hydroxy-5-quinolinemethyl ) glycine ethylester in quantum chemistry

  4. 乙酸乙酯协同超临界CO2结晶分离穿心莲内酯的研究

    Supercritical CO_2 Cooperated with Ethyl Acetate Crystallizing Andrographolide

  5. 采用酸碱滴定法测定了甘油三乙酯酸性水解的总速率常数k。

    Total rate constants k of acidity hydrolysis of glycerol triacetate were determined by acid alkali titration .

  6. 不对称合成(R)-2-羟基-4-苯基丁酸乙酯的动力学

    Kinetics of enantioselective hydrogenation to synthesize ethyl ( R ) - 2 - hydroxy - 4 - phenylbutyrate

  7. KF-Al2O3催化丙烯酸-β-羟乙酯合成

    The synthesis of β hydroxyethyl acrylate by KF Al 2O 3 Catalyst

  8. BF3,络合的丙烯酸乙酯与丙烯的共聚机理

    The mechanism of copolymerization of bf_3-complexed ethyl acrylate with propylene

  9. 研究了丙烯酸羟乙酯的用量及A组分与B组分的配比对双组分丙烯酸酯胶粘剂性能的影响。

    The influence of hydroxyethyl acrylate quantity and composing ratio between A and B component on the properties of the two-component acrylic adhesive was investigated .

  10. 霉酚酸吗啉乙酯治疗重症肌无力合并原发性CNS淋巴瘤

    Primary CNS lymphoma complicating treatment of myasthenia gravis with mycophenolate mofetil

  11. 甲基磺酸乙酯(EMS)在创造玉米新种质中的应用

    Application of EMS to Create Corn New Germplasm

  12. 方法给小鼠注射马来酸二乙酯(DEM),耗竭GSH。

    Method Diethyl maleate ( DEM ) was injected to mice to exhaust their GSH .

  13. 用积分反应器在固定床连续流动反应体系中进行CO气相催化合成碳酸二乙酯。

    The catalytic synthesis of diethyl carbonate in carbon monoxide vapor phase was conducted in the fixed-bed continuous flow system by using an integral reactor .

  14. 结论:通过IR谱确证一个化合物是目标物2-苄氧基-5-氟-4-嘧啶酮-3-丁酸乙酯,另一化合物是它的同分异构体。

    Conclusions : One compound is identified as the title compound 2-benzyloxy-5-fluoro-4-oxo-pyrimidine-3-butyric acid ethyl ester , and the other one is its formula isomer .

  15. 硅烷偶联剂作为一种具有特殊性质的分散剂,对从正硅酸乙酯水解制得的SiO2微球形态会产生很大的影响。

    With different added sequence of silane coupling agents , the morphology of silica spheres can be controlled .

  16. 微波辐射SnCl4·5H2O催化合成苯甲酸苯乙酯

    Synthesis of the Phenylethyl Benzoate by SnCl_4 · 5H_2O Under Microwave Irradiation

  17. 4种提取物对玉米象成虫熏蒸活性差异较大,活性大小为印楝油>超临界CO2提取物>乙酸乙酯粗提物>印楝素A。

    The fumigant activity of the 4 different neem extracts was neem oil > neem SFE extracts > neem ethyl acetate extracts > azadirachtin A.

  18. R(+)-香茅醛的烯胺与丙烯酸乙酯反应,得2-(2′-乙氧羰基乙基)香茅醛。

    The enamine of R ( + ) - citronellal was treated with ethyl acrylate to give 2 - ( 2 ' - eth )(?) thy (?) - citronellal .

  19. 发现K2S2O8(KPS)是丙烯酸乙酯与玉米淀粉接枝共聚的有效引发剂。

    Potassium peroxydisulfate ( KPS ) is a quite effective initiator in graft copolymerization of ethyl acrylate and corn starch .

  20. SiO2负载磷钨酸(盐)催化剂对乙酰乙酸乙酯与乙二醇缩合反应的催化性能

    Catalytic Performance of Phosphotungstic Acid ( Salt ) Supported on SiO_2 for Acetalization of Ethyl Acetoacetate with Glycol

  21. 方法:微孔滤膜过滤、乙酸乙酯福尔马林分离、Giemsa染色、油镜及相差显微镜观察。

    Methods : Micromembrane filtration , ethyl acetate-formalin separation , giemsa stain .

  22. 本文研究了气相色谱法分离和内标法测定碳酸二乙酯(DEC)含量。

    The gas chromatographic separation and detection of diethyl carbonate ( DEC ) has been studied .

  23. 硝酸甲酯与硝酸乙酯的结构、振动频率和热力学性质的密度函数理论(DFT)研究

    Density Functional Theory ( DFT ) Studies on Molecular Geometries , IR Frequencies and Thermodynamic Properties of Methyl and Ethyl Nitrates

  24. 通过溶胶凝胶法,在碱性条件下水解缩聚正硅酸乙酯获得含有SiO2颗粒的溶胶;

    A sol containing SiO_2 particles was prepared by the base catalyzed hydrolysis and polycondensation of tetraethoxysilane ( TEOS ) through sol-gel process .

  25. 为制备出适用于电子墨水的白色电泳颗粒,采用控制正硅酸乙酯在氨水-乙醇溶液中的水解来合成SiO2颗粒。

    In order to prepare white electrophoretic particles , SiO_2 particles were prepared by hydrolysis of ethyl orthosilicate in ammonia / alcohol solution .

  26. 以正硅酸乙酯(TEOS)为硅源,采用酸碱二步催化溶胶-凝胶法,结合超临界干燥技术制备了超低密度SiO2气凝胶。

    The two-step ( acid-base ) sol-gel process is employed to prepare SiO_2 aerogels with TEOS as the precursor .

  27. CTAB胶束溶液对正脂肪酸乙酯碱性水解反应的催化动力学行为研究

    Study on the Catalytic Kinetics of Basic Hydrolysis of Ethyl Esters of Normal Aliphatic Acids in CTAB Aqueous Micelle Solution

  28. 采用活性炭上Ni、Cu负载量分别为5%、10%的催化剂对乙醇气相羰基化合成丙酸与丙酸乙酯催化性能进行试验。

    Gas phase carbonylation of ethanol to propionic acid and ethyl propionate under normal atmosphere with nickel ( 5 % ) and copper ( 10 % ) catalyst over active charcoal was investigated .

  29. 试验采用大口径HP-快速GC残留溶剂柱为分离柱,对顶空平衡温度、平衡时间对残留有机溶剂乙酸乙酯测定的影响进行了分析研究。

    A wide bore HP-fast GC residual solvent column was performed , and the effects of the equilibrium temperature and equilibrium time on the determination of ethyl acetate were studied .

  30. 双金属Ni-Cu催化剂用于催化乙醇羰化合成丙酸和丙酸乙酯

    Carbonylation of ethanol to propionic acid and ethyl propionate on supported bimetallic Ni-Cu catalysts