fluorescence
noun [ U ] physics specialized uk/flɔːˈres.əns/ us/flɔːˈres.əns/
荧光
light produced by a substance that has absorbed light or other radiation, which has a longer wavelength than the light that has been absorbed
The compound emits blue fluorescence. 这种化合物发出蓝色的荧光。
荧光现象
the quality of absorbing light of a short wavelength and producing light of a longer wavelength
The mechanisms of fluorescence have applications in television, fluorescent lighting, and radiography. 荧光现象的原理被应用在电视、荧光照明和放射医学方面。
- More examples
- They check the samples under a microscope for bright-green fluorescence.
- The sky glared with the blanched fluorescence of a shaving light.
- This phenomenon, known as daylight fluorescence, is common to fluorite from many Weardale locations.
- UV radiation is often used in visible spectrophotometry to determine the existence of fluorescence in a given sample.
- When submitted to UV light, the image seems to dim the natural fluorescence of the cloth.