相关考题
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判断题
Stokes位移是指分子的荧光发射波长总比其相应的磷光发射波长要长。 -
单项选择题
Which of the following group can enhance fluorescence intensity（）。
A.—NH2
B.—COOH
C.—NO2
D.—NO -
单项选择题
Which factor has no effect on the fluorescence quantum yield molecule（）。
A.molecular structure
B.the presence of heavy atoms
C.the concentration of the solution
D.the temperature of solution
