• To our thinking there are dimerisation phenomena in the umbelliferone solutions at high concentration.

    认为高浓度伞形酮溶液中存在着二聚现象

    youdao

  • The fluorescence spectra of umbelliferone (7-hydroxycoumarin) solutions at different concentrations in various solvents are compared and studied.

    对比研究了数种溶剂不同浓度伞形溶液荧光光谱

    youdao

  • The fluorescence spectra of umbelliferone (7-hydroxycoumarin) solutions at different concentrations in various solvents are compared and studied.

    对比研究了数种溶剂不同浓度伞形溶液荧光光谱

    youdao

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