By comparing the absorption spectrum and fluorescence spectrum of the 7-HQ in DMS solution, which was radiated with ultraviolet light and without, the mechanism is investigated.

• 比较了经强紫外光照射前后7-HQ的DMS溶液的吸收光谱和荧光光谱，报道了这一新现象并探讨了其产生的机理。