活性中间体

  • 网络reactive intermediate;active intermediate
活性中间体活性中间体
  1. 利用二氯乙烷、三氯乙烷、三氯乙烯、N,N-二甲基甲酰胺、丙酮作为典型污染物与Fe2+/EDTA/H2O2/联氨模拟体系反应,所产生的活性中间体与4-(对硝基苄基)吡啶反应生成了紫红色物质。

    As typical pollutants , dichloroethane , trichloromethane , trichloroethylene , N , N-Dimethylformamide and acetone were selected to react with the mimic system of Fe ~ ( 2 + ) / EDTA / H_2O_2 / hydrazine , and the reactive intermediates formed .

  2. 卡宾活性中间体在有机合成中的应用&Ⅱ.马鞭草烯醇类似物的合成

    Application of carbene reactive intermediates in organic synthesis & ⅱ . synthesis of analogy of verbenol

  3. Fenton试剂的活性中间体是一亲核加合物,其反应活性及其产物不同于游离态羟自由基的反应活性及产物。

    The reactive intermediate of Fenton reagents is a nucleophilic adduct .

  4. 残留有CH2Cl2溶剂的γ-Al2O3程序升温脱附结果显示,反应中产生的亚甲基是CO加氢反应的活性中间体。

    The TPD results of supporter with residual solvent showed that methene produced by thermal resolving residual solvent was the surface active species in CO hydrogenation .

  5. 捕获了两种重要活性中间体TiCl3和TiOCl2,从而导出该反应的机理模型。

    Two important active intermediates TiOCl_2 , TiCl_3 were observed .

  6. 用有机硅活性中间体对环氧树脂E44进行接枝共聚改性,得到一种具有良好耐热性和机械性能的新型改性树脂,研究了催化剂种类、原料配比、反应温度和时间对产物的影响。

    A heat-resistant modified epoxy resin with good mechanical properties is prepared by condensation polymerization of epoxy resin ( E44 ) and silicone intermediate . The influences of catalyst , stoichiometric composition , reaction temperature and time on the properties of production are investigated .

  7. 铝硅酸盐活性中间体对有机染料脱色的实验研究

    Study on Organic Dye Decolourization Conditions of Aluminosilicate Salt Active Intermediate

  8. 动力学分析方法检测酶反应活性中间体的研究

    Studies on Kinetic Method for Detecting Active Intermediate in Enzyme Reaction

  9. 活性中间体失水甘油基三甲基氯化铵的性质研究

    Study on Characteristics of Active Intermediate : Glycidyl Trimethyl Ammonium Chloride

  10. 碳正离子&一种有机化学反应中的活性中间体

    Carbonium Ion & an Active Intermediate in Organic Chemistry Reaction

  11. 分析了聚合反应机理;有机反应活性中间体&苯炔

    The polymerization mechanism is assumed . REACTIVE INTERMEDIATE IN ORGANIC REACTIONS & BENZYNE

  12. 动力学分析法研究生物反应活性中间体及其相关反应

    Kinetics Analysis of Active Intermediate Species and Its Relative Reaction in Biochemical System

  13. 有机活性中间体稳定性原理及其应用研究

    Study on the Stability Principle of the Organic Activity Intermediates and lts Application

  14. 光学活性中间体化学合成技术进展

    Progress in Industrial Chemical Synthesis of Optically Active Intermediates

  15. 铑催化转化合成气活性中间体的量子化学研究

    Active Intermediates in the Process of Syngas Conversion & Studied by Quantum Chemical Method

  16. 有机反应活性中间体&苯炔

    Reactive intermediate in organic reactions & benzyne

  17. 可作为活性中间体用以制备一系列活性染料。

    All of them can be used for the preparation of a series of reactive dyes .

  18. 活性中间体和过渡状态性质的许多计算机也可能被实现。

    Many calculations of the properties of reactive intermediates and transition states have also been performed .

  19. 这些配合物能氧化苯乙烯,环己醇,环己烯和环己烷,可作为细胞色素P&450模拟体系的活性中间体。

    Cyclohexanol . cyclohexene and cyclohexane . They are the active intermediates of cytochrome P-450 model systems .

  20. 有机化学反应中,活性中间体的稳定性大小与该分子的反应活性有很大的关系。

    There is a close relationship between the stability of activated intermediate and the molecular activity of reaction .

  21. 有机硅活性中间体的研究Ⅱ.一些含环丙基的有机硅化合物的合成及其结构

    Studies on the Organosilicon Reactive Intermediates ⅱ . Synthesis and Structures of Some Organosilicon Compounds Containing Cyclopropyl Group

  22. 在这些反应中,人们普遍认为反应经过了一个原位生成的磷叶立德活性中间体。

    In these reported reactions , it is generally considered that an in situ formed phosphorus ylide is the key intermediate .

  23. 活性中间体越稳定,其越容易形成,反应活性就越大。

    The more stable an activated intermediate is , the easier the formation is , and the more active the reaction is .

  24. 许多重要生命现象及疾病的发生都与活性中间体的产生有关,如机体的氧化与衰老、肝脏病变等。

    Reactive intermediates can conjugate with important biological macromolecules and result in body damage , such as oxidation , aging , and liver diseases .

  25. 提出单斜硫(Sβ)较斜方硫,(Sα)在有机溶剂中更易溶解,且与有机溶剂可形成游离基活性中间体的假设。

    S is more easily soluble than Sain organic solvent , the assumption that S can produce a free-radical reactive intermediate are also mentioned .

  26. 重点叙述了某些光学活性中间体的工业合成技术,包括手性氨基酸、手性羧酸、手性醇、手性胺和手性环氧化物。

    The industrial synthesis of certain optically active intermediates , including chiral amino acids , carboxylic acids , alcohols , amines and epoxides is reviewed .

  27. 首次引入反应体系中氧化降解有机污染物。着重研究了无光(暗)反应、光反应降解动力学、光反应机理、活性中间体和自由基的形成和光降解产物等方面内容。

    The emphasis was placed on the dark-degradation and the photodegradation kinetics , the photodegradation mechanism , the formation of active oxygen radicals and the degraded products .

  28. 计算还表明,所有脱氢气的反应生成表面烷氧活性中间体,都是吸热过程,随后的脱质子反应是放热过程,而且能垒较低。

    All the products of dehydrogenation steps are surface alkoxide intermediates and the reaction are endothermic , and the subsequent deprotonation are exothermic and have lower energy barriers .

  29. 根据产生活性中间体的多少对模拟体系的组成和反应条件进行了优化,对活化机理进行了初步探讨。

    According to the amount of the intermediate produced , the compositions and the metabolic conditions of the simulated system were optimized , and the simulated metabolic mechanism was briefly discussed .

  30. 正常生理条件下,机体会产生相应机制来对抗活性中间体的损伤,使活性中间体和自由基在产生不断的同时也被不断的清除,维持机体平衡。

    Under normal physiological conditions , the body has evolved mechanisms to counteract the damage caused by reactive metabolites to keep the reactive intermediates in a steady , balanced and low level .