认为在高浓度伞形酮溶液中存在着二聚现象。
To our thinking there are dimerisation phenomena in the umbelliferone solutions at high concentration.
对比研究了数种溶剂中不同浓度伞形酮溶液的荧光光谱。
The fluorescence spectra of umbelliferone (7-hydroxycoumarin) solutions at different concentrations in various solvents are compared and studied.
为提高碱性磷酸酶（ALP）活性测定的灵敏度，对以4-甲基伞形酮磷酸酯（4-MUP）为底物的荧光法进行了研究。
In order to improve the sensitivity of detection of alkaline phosphatase(ALP)activity, a fluorometric method based on 4-methylumbelliferyl phosphate(4-MUP)as substrate was investigated.
伞形科植物的成分主要有挥发油、香豆素、色原酮及其苷类。
Umbelliferae plants mainly contain essential oil, coumarin, chromone and glycoside.
伞形科植物的成分主要有挥发油、香豆素、色原酮及其苷类。
Umbelliferae plants mainly contain essential oil, coumarin, chromone and glycoside.
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