end group

英 [end ɡruːp] 美 [end ɡruːp]

网络  端基; 末端基团; 末端基; 终端群; 结束组

化学



双语例句

  1. Synthesis and Study of Polydimethylsiloxane with a Diol End Group
    单端双羟烃基聚二甲基硅氧烷的合成及研究烷基多苷磺基琥珀酸单酯二铵盐的合成研究
  2. Improvement on the determination methods of carboxyl end group value in fiber grade PET chip
    纤维级聚酯切片中羧基值测定方法的改进
  3. The spot-checking results of fiber grade PET chip were analysed from intrinsic viscosity, diethylene glycol content, melt point, carboxyl end group, color, agglomerating particle and powder.
    从特性黏度、二甘醇含量、熔点、端羧基值、色度、凝聚粒子、粉末等方面,对纤维级聚酯切片的抽检结果进行了分析。
  4. Conjugated Rotaxanes with Bis-terpyridyl Ruthenium Complex as End Group: Synthesis, Characterization and Properties
    三联吡啶钌配合物为端基的共轭金属轮烷的合成及性质研究
  5. End group has more than one Finish dialog.
    结束组有多个完成对话框。
  6. According to the effects of carboxyl end group value of PET on the carboxyl end group value, viscosity and spinning performance of free?
    通过对熔体端羧基值对无油长丝端羧基、粘度及纺丝加工影响的分析,阐明了聚酯端羧基控制范围;
  7. Effects of end group on the PEG crystallization behavior
    端基对聚乙二醇单甲醚结晶行为的影响
  8. Effect of amino end group concentration in nylon-6 on the impact toughness of nylon-6/ EVA blends
    尼龙6中氨基含量对尼龙6/EVA共混物冲击韧性的影响
  9. Industrial study of carboxyl end group value control of PET in direct filament spinning process
    直纺长丝工艺中聚酯熔体端羧基值控制的工业研究
  10. The methods of determining high active end group content and molecular weight of polyisobutene have been established by nuclear magnetic resonance and near infrared spectra respectively.
    分别建立核磁测定聚异丁烯活性端基含量以及其他烯键含量和近红外光谱快速测定聚异丁烯活性端基含量、其他烯键含量和相对分子质量的分析方法。
  11. Optimization the process parameters to control the carboxyl end group value in chips
    优化工艺参数,控制切片中的端羧基值
  12. This paper researches measuring method of high active end group content and molecular weight of polyisobutene using nuclear magnetic resonance, vapour pressure osmosis and near infrared spectra.
    综合使用核磁、VPO和近红外光谱分析技术对聚异丁烯活性端基含量以及相对分子质量的测定进行了详细研究。
  13. Most of arabinoses and part of xyloses were in the side-chain or at the end group.
    大部分阿拉伯糖和部分木糖位于NFG-1的侧链或末端;
  14. The analysis of the end group titration result s of nylon 11
    对尼龙11端基滴定结果的分析
  15. Through experiments, it is proved that this method is advantageous to improve the accuracy of the measurment of percentage of carboxyl end group by using the mixture of phenol and chloroform ( the volume proportion is 3 to 2). Therefore the original method is improved.
    本文通过实验证实:以苯酚-氯仿混合溶剂(体积比为3:2)溶解切片,对提高测定羧基含量的准确度是有利的,从而对原方法进行改进。
  16. Research of Determining High Active End Group Content and Molecular Weight of Polyisobutene
    聚异丁烯高活性端基含量及相对分子质量测定方法的研究
  17. This thesis includes two parts. One is about synthesis and end group modification of hyperbranched polymer containing crown ether from an A2+ B3 monomer system.
    本论文包括两部分,第一部分为由A2+B3型单体合成了一系列的含有冠醚环的超支化聚合物并对其进行了末端改造,对它们的热稳定性等进行了研究;
  18. The effects of electronic effect of the end group in side chain on the third-order NLO coefficient and the fluorescence behavior of the polymers solutions were investigated.
    考察了侧链端基电子效应对聚合物三阶光学非线性极化率系数和荧光行为的影响。
  19. The effect of the end group on the weight fraction of the individual mono-disperse species both for the experimental UV response data and the theoretical distribution function was discussed.
    讨论了端基对实验的紫外吸收响应以及理论的链长分布函数中各个半分散组分重量分数的影响。
  20. Determination of the carboxyl end group in PET and its intermediate was studied.
    研究PET中间产物和最终产物端羧基含量的测定方法。
  21. The distribution of different chain elements and the end group structure were derived from the chemical shifts and the intensities of the fluorine resonance lines.
    由谱线的化学位移和强度归纳出不同链节结构的分布,同时阐明了端基结构。
  22. Kinetic study of thermo-oxidative degradation for two PET samples are carried out by three methods, i.e. intrinsic viscosity degreasing, carboxy end group increasing and thermal weight loss.
    用测定样品的特性粘度降低、端羧基含量增加和热氧化失重三种方法对不同催化体系合成的两种PET样品进行了热氧化降解的动力学研究。
  23. The influence of end group structure with different length of carbon chain to fixing property of reactive dye was discussed.
    研究了不同长度的碳链端基结构对活性染料固色性能的影响。
  24. The dependencies of the toughening effect on the molecular weight, content and types of end group of the liquid rubbers as well as the types of UP were discussed.
    探讨了这两种液体橡胶的相对分子质量、加入量、端基种类、UP种类等因素对增韧效果的影响。
  25. Polyethylene glycol dimaleate ( MPEG) was prepared by the reaction between the hydroxyl end group of PEG and MAH.
    利用聚乙二醇(PEG)的端羟基与马来酸酐(MAH)进行化学反应,制备了聚乙二醇双马来酸酯(MPEG)。
  26. The decrease of intrinsic viscosity and increase of carboxy end group are affected by the specific surface of resin.
    特性粘度降低和端羧基含量增加这两种方法受树脂比表面积的影响;
  27. An end group correction factor was introduced for getting the true weight distribution of chain length.
    引进了一个端基改正因子以获得真实的重量链长分布。
  28. The classic method developed in recent years for synthesizing mesoporous silica by using amino acid type anionic surfactant as template is to use silane coupling agent with a positively charged end group and alkoxy silicone groups as structure-directing agent.
    近几年发展起来的经典的以氨基酸型阴离子表面活性剂为模板合成介孔二氧化硅的方法采用了同时带有正电荷的极性端基以及含烷氧基硅基团的硅烷偶联剂作为助结构导向剂。
  29. They are characteristic of high solubility, low viscosity, a large number of functional end group and intramolecular holes.
    具有高溶解度、低黏度、大量端基官能团和分子内部空穴结构等独特的性质。