The fluorescence quantum efficiencyof oxazine 1perohlorate in1-dichloro-ethane was measured with photoacoustic speetroscopy in which the fluorescence quenching wag used.
利用光声光谱技术，采取猝灭的方法对（口恶）嗪1高氯酸盐的二氯乙烷溶液进行荧光量子效率的测量。
2
The fluorescenceof dominant species leaves is decreasing at noon shows that efficiency of light energy conversion at noon is decreasing and further to explain photo inhibition.
中午优势种叶片荧光降低表明中午的实际光能转化效率降低，进而说明了中午发生光合作用光抑制。
3
Comparing with the chemical analysis, X-ray fluorescence analysis has feature of more efficiency and lower cost.