carboxy group

羧基

机械



双语例句

  1. An emulsion of multi-component copolymer containing hydroxy group, carboxy group, and acrylate, is used for preparing the title adhesive.
    本研究采用带有羟基、羧基、丙烯酸酯的多元共聚乳液体系为粘合剂;
  2. The application of monohydroxy or carboxy group compound to fluoro rubber were analyzed.
    对一羟基或羧基化合物在氟橡胶胶料中的应用进行了研究。
  3. Analyses of Amido Group and Carboxy Group Ratio on Copolymer Size Mixture Property
    酰胺基和羧基配比对共聚浆料性能影响的分析
  4. The change of intrinsic viscosity and carboxy terminal group content was studied for polylactic acid ( PLA) at 10-40 min and 170-200 ℃.
    研究了聚乳酸(PLA)在10-40min和170-200℃的条件下热降解后的特性粘数和端羧基含量的变化。
  5. It was found that the hydroxy group and carboxy group of the copolymer were crosslinked with methoxyl group of HMMM under different temperature. In the presence of acidic catalyst PTSA, curing temperature for hydroxy group is lower than that for carboxy group.
    共聚物上的弪基和羧基与固化剂(六甲氧基甲基三聚氰胺)上的甲氧基在不同温度区间交联,在催化剂(对甲基苯磺酸)的存在下,羟基交联温度低于羧基。
  6. Design and synthesis of tris ( 1-thiogalactopyranoside) having a methyl-protected carboxy group at the aglycon terminals
    端基含甲基保护羧基的三半乳糖苷的设计和合成
  7. Determining terminal carboxy group in PET by three-electrode potential titration
    三电极电位法测定聚酯中端羧基含量
  8. Research on fibrous adsorbent, which was made of polyacrylonitrile fiber by bonding amidoxime and carboxy groups in order to obtain bifunctional group adsorbent, by means of TEM ( Transmisstion Electron Microscone) and SEM-EDAX ( Energy Dispersive Analysis of X-ray).
    本文对纤维吸附剂(聚丙烯腈纤维导入偕胺肟基和羧基的双功能基团纤维吸附剂)藉透射电镜(TEM)和扫描电镜X射线色散能量分析谱(SEMEDAX)进行研究。
  9. Ylides containing carboxy and amino group and their Wittig reactions
    有羧基、氨基存在的叶立德及其Wittig反应
  10. Moreover, catalytic hydrogenation can be used to the reduction of a variety of organic compounds, such as nitro, carbonyl, amino, aromatic and heteroaromatic compound, hydroxy group and carboxy group.
    此外,它除了还原双键以外可以用来还原各种不同的有机化合物,如:硝基、羰基、氨基、芳香族及杂环化合物、羟基、羧基。
  11. The active center carboxy group-COOH in the humidity-sensitive film is mentioned and the change of the active center-cooh in imide reaction is expounded.
    提出感湿膜中存在有活性中心羧基-COOH及活性中心-COOH在酰亚胺化过程中的变化。
  12. Tests of fundamental properties for the above two resins showed that different neutralizer and neutralizing extent, content of carboxy group, ratio of functional group, structure of diol and molecular weights of diol are factors having effects on water-solubility of resin;
    对上述两种类型水性树脂的基本性能的测试表明:在水溶性能上,不同的中和剂及中和程度、羧基含量、官能团比例、二元醇结构、二元醇分子量等因素均影响水溶性能;
  13. The process parameters controlled by CUSUM, such as intrinsic viscosity of polyester chip, end carboxy group and diethylene glycol etc, provide steady product quality and continous production.
    通过对在线聚酯切片的特性粘数、端羧基、二甘醇等指标的累积求和统计控制,可保证产品质量稳定,保持生产连续稳定。
  14. 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。
  15. 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;
  16. The in vitro bioactive assay showed that 3-carboxy group is not a necessary group for antibacterial activity and antitumor activity of quinolones.
    体外活性评价结果表明,C-3位羧基并非是喹诺酮基本结构中产生抗菌、抗肿瘤作用所必需的基团。
  17. Glyoxalic acid is an important fine chemical product. Its molecule contains aldehyde group and carboxy group, and it is widely used for synthetic spices, medicine, pesticides, etc. The oxidation of glyoxal is one of the important ways of synthesizing glyoxalic acid.
    乙醛酸同时含有醛基和羧基,是一种重要的精细化学品,广泛应用于香料、医药、农药等领域。而乙二醛氧化是合成乙醛酸的主要途径之一。