| 词汇 | fluorescence |
| 释义 | fluorescence noun[ U ] physics specializeduk /flɔːˈres.əns/ us /flɔːˈres.əns/ light produced by a substance that has absorbed light or other radiation, which has a longer wavelength than the light that has been absorbed: 荧光 The compound emits blue fluorescence. 这种化合物发出蓝色的荧光。 the quality of absorbing light of a short wavelength and producing light of a longer wavelength: 荧光现象 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。 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. Light backlight backlighting beam brilliance candlelight coruscation helio- illumination incandescence incident ray infrared lamplight phosphene phosphorescence photo shininess starlight sun sunshine torchlight You can also find related words, phrases, and synonyms in the topics: The qualities of light Collocations withfluorescencefluorescenceThese are words often used in combination with fluorescence. Click on a collocation to see more examples of it. chlorophyll fluorescence Three phases of dark-recovery course from photoinhibition resolved by the chlorophyll fluorescence analysis in soybean leaves under field conditions. fluorescence imaging Long-term two-photon fluorescence imaging of mammalian embryos without compromising viability. fluorescence intensity The difference between unsegregated and segregated retinal projections can be further quantified by analyzing the fluorescence intensity of individual pixels. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. See all collocations with fluorescence |
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