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爱与雨下: 金币+1 2012-08-03 21:01:43
sltmac: 金币+5, 翻译EPI+1 2012-08-25 07:53:50

Fluorescence lifetime is the average duration of singlet excited state of molecules. The fluorescence lifetime of a fluorescent material depends on not only its structure, but also the micro-environment conditions, including polarity, viscosity, and so on. Thus, the change of the concerned system can be indicated by determining the fluorescence lifetime, which is fitted by the sigle index I(t)=I0exp(-t/T), where T stands for the fluorescence lifetime.

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