• 谱法、磁共振波谱法、红外光谱,确定了未知铵盐型阳离子表面活性的结构。

    Structute of nitrogen heterocyclic ring quaternary ammonium salt cationic surfactants was identi fied by mass spectrography, nuclear magnetic resonance spectra, infrared spectra and etc.

    youdao

  • 近年来三试剂测定离子表面活性离子表面活性剂光度分析中的应用进行了综述引用文献25篇。

    A review on the application of triazenes reagents to the determination of anionic surfactants and cationic surfactants in recent years was presented in this paper with 25 references cited.

    youdao

  • 对于相同官能团离子液体的催化活性

    The longer carbon chain the higher catalytic activity with the same nitrogen functional groups.

    youdao

  • 研究十二烷基苯并三DBCS离子表面活性缓蚀性能。

    The inhibition behavior of N-dodecyl benzotriazole cationic surfactant(DBCS)for mild carbon steel in 1.

    youdao

  • 研究十二烷基苯并三DBCS离子表面活性缓蚀性能。

    The inhibition behavior of N-dodecyl benzotriazole cationic surfactant(DBCS)for mild carbon steel in 1.

    youdao

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