酸性水解

suān xìnɡ shuǐ jiě
  • acidic hydrolysis
酸性水解酸性水解
  1. 水胺硫磷工业废水的酸性水解处理研究ACE工艺用于氮肥生产企业废水处理工程

    Study on acidic hydrolysis of wastewater from commercial manufacture of isocarbophos Application of ACE Process to Nitrogen Fertilizer Industry Wastewater Treatment

  2. 然后经酸性水解得苯丙氨酸消旋体。

    After acidic hydrolysis , phenylalanine was obtained with total yield of 62.5 % .

  3. 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 .

  4. 但酸性水解时温度、溶剂对其ee值影响很大。

    Both temperature and solvent had great influence on ee under acid condition .

  5. 山梨酸聚酯酸性水解过程中HCl吸收工艺技术改造

    Technological transformation of HCl absorption craft in acidic hydrolisis process of sorbic acid polyester

  6. 最后采用氯硝柳胺粗品与有机胺成盐继酸性水解精制产品,通过HPLC内标法测定其纯度达99%以上,符合医药级标准,回收率高达≥97%,产品质量稳定。

    Finally , good results were obtained with above 99 % product purity by HPLC and more than 97 % recovery through purification of the crude with some organic amines . grade .

  7. 硫代草酸铁(Ⅲ)配合物的酸性水解动力学

    Kinetics of the acid hydrolysis of ( thiooxalato-o , s ) ferric complex

  8. 计算机求解氰乙基醋酸纤维素酸性水解动力学参数

    Computer aid to calculate the kinetic parameters of the acid hydrolysis of cyanoethyl cellulose acetate

  9. 本文详细地研究了以玉米淀粉为原料,经酸性水解,硝酸氧化制造草酸的新方法。

    This paper deals with a new process for making Oxalic acid from corn starch in detail .

  10. 通过酸性水解获得低分子量壳聚糖,并和银离子配位制备出低分子量壳聚糖银配合物。

    Water-soluble low molecular weight chitosan was achieved from acidic hydrolysis method and its silver complex was alse prepared .

  11. 香薷酮缩氨脲酸性水解时的副反应&香薷酮吖嗪的分离与结构鉴定

    A side reaction in the acid-catalyzed hydrolysis of elsholtzione semicarbazone & the isolation and structure proof of Elsholtzia ketazine

  12. 我们通过选择性降解可行性材料,使得纤维素纤维酸性水解,从而产生高度结晶状的微粒。

    Acid hydrolysis of cellulose fibers yields highly crystalline rod like particles through selective degradation of the more accessible material .

  13. 利用酸性水解乙醇沉淀法提取果胶,分别测定了不同的浸泡时间、酸碱度及水解温度对果胶产率的影响。

    Pectin of orange bark was extracted by acid hydrolysis ethanol precipitation at different marinating time , pH and temperature conditions .

  14. 铁-草酸配合物光解降解对氯苯酚的研究硫代草酸铁(Ⅲ)配合物的酸性水解动力学

    Study of degradation of p-chlorophenol induced by photolysis of fe (ⅲ) - oxalic acid complexes kinetics of the acid hydrolysis of ( thiooxalato-o , s ) ferric complex

  15. 氯乙酸和硫脲在乙醇中反应环合成2-亚氨基-4-噻唑酮盐酸盐,然后经酸性水解得到2,4-噻唑二酮,总收率为67.8%。

    Thiazolidinedione was synthesized from chloroacetic acid and thiourea via cyclization in ethanol to give 2-imino-4-thiazolidinone hydrochloride followed by acid hydrolysis in an overall yield of 67.8 % .

  16. 在用蛋白质酸性水解制备氨基酸时,因中和残留的酸会使水解液中带入大量的盐。

    In the preparation of amino acids through acidic hydrolysis of proteins , high concentration of salt is introduced into the hydrolysate when the residual acid is neutralized .

  17. 本论文分为五个部分,报道了在对甲基苯磺酸催化下季戊四醇缩醛(酮)化合物的合成、表征及酸性水解性能的研究。

    The thesis contains five parts , which reports that the synthesis , characterization and acid hydrolytic property of pentaerythritol acetals ( ketals ) with the catalysis of p-toluene sulfonic acid .

  18. 咪唑和氯乙酸乙酯通过非均相反应合成咪唑乙酸乙酯,酸性水解得到咪唑乙酸盐酸盐,和三氯化磷、磷酸反应后再水解制得唑来膦酸。原料价廉易得,操作简便,反应总收率36%。

    Zoledronic acid was synthesized from imidazole and ethyl chloroacetate by heterogeneous reaction and hydrolysis to give imidazol-1-acetic acid hydrochloride which reacted with phosphorus trichloride and phosphoric acid followed by hydrolysis with an overall yield of 36 % .

  19. 染料在纯棉织物上的应用采用先轧染、汽蒸,再酸性水解成隐色体和氧化固着的方法。

    The dyeing on cotton was conducted by padding and steaming , then by hydrolysis of the dye to the leuco form in acidic medium , and finally by oxidation of the leuco form to the corresponding oxidized form with peroxide .

  20. 磷酸+酸性蛋白酶水解副产物复合蛋白效果最佳。

    Effects of byproducts compound after phosphorus plus enzyme hydrolyzing were optimum .

  21. 中性蛋白酶和酸性蛋白酶水解鲢鱼蛋白的研究

    Studies on hydrolyzing protein of silver carp with neutral protease and acid protease peptic hydrolysis

  22. 氯化铁酸性溶液升温水解中相转化规律

    The Rules of Phase-Transformation on the Hydrolysis of Acidic Ferric Chloride Solution

  23. 研究了它们在酸性介质中水解反应机理。

    In the paper is studied the mechanism of hydrolysis reaction in acidic medium .

  24. 对碱性蛋白酶和酸性蛋白酶联合水解菜籽粕进行了研究。

    The united hydrolysis of rapeseed meal with acidic protease and alkali protease was investigated .

  25. 胃蛋白酶广泛存在于脊椎动物胃液中,是一种能在酸性环境下水解多种蛋白质的蛋白水解酶。

    Pepsin is wildly presented in gastric juice of vertebrates and can hydrolysis various proteins in the acidic environment .

  26. 而后再将α、β分别在酸性条件下水解,得到目的产品,收率分别为94%和91%。

    The α and β anomers were isolated and then hydrolyzed under acidic condition to afford the desired products in 94 % and 91 % yields , respectively .

  27. 在常见的微生物发酵法生产的蛋白酶中,酸性蛋白酶的水解作用能显著提高棉子蛋白的起泡性能。

    In the common proteolytic enzymes made with the method of microbe fermentation , the hydrolysis of acid proteolytic enzyme is very effective in improving the foaming Property of cottonseed protein .

  28. 水解脱羧反应:β-酮酸酯在酸性条件下水解生成β-酮酸,β-酮酸脱羧,即得产品2-甲氧基-4'-三氟甲基苯乙酮。

    Hydrolysis and decarboxylation reaction : In acid condition , the β - carbonyl carboxylic ester was hydrolyzed to give β - carbonyl carboxylic acid , and the β - carbonyl carboxylic acid was decarboxylated to give 2-methoxy-4 ' - trifluoromethyl acetophenone .

  29. 研究结果表明:(1)红花黄不易被酸和碱水解,栀子黄易在碱性条件下水解;红米红易在酸性条件下水解。

    The major results were shown in the following : ( 1 ) Saffron yellow was difficult to be hydrolyzed by acid and alkali , whereas Gardenia yellow and red rice pigment were easy to be hydrolyzed under alkaline and acidic conditions , respectively .

  30. 该酶在酸性范围内有水解蛋白活性,最适作用pH为4.0,最适温度为37℃。

    The enzyme had an acidic proteolytic activity profile with the optimum pH of 4.0 . The optimum temperature of the enzyme activity was 37 ℃ .