| 单词 | fluorescence spectrum |
| 释义 | > as lemmasfluorescence spectrum fluorescence spectrum n. [after German Fluorescenzspectrum (1858 or earlier; now Fluoreszenzspektrum)] the spectrum of the light emitted by a substance when it is excited to fluorescence.The spectrum is distinctive of the substance concerned, and does not vary with the wavelength of the incident light. ΘΚΠ the world > matter > physics > electromagnetic radiation > light > chromatism > [noun] > spectrum > types of Fraunhofer spectrum1837 gas spectrum1859 interference spectrum1860 flame spectrum1862 absorption spectrum1864 fluorescence spectrum1867 band spectrum1869 comparison spectrum1877 infra-red1881 emission spectrum1888 X-ray spectrum1910 1867 Index Foreign Sci. Periodicals 19 Apr. 47/2 J. Müller.—On the fluorescence spectrum of the electric light. 1885 J. Lassell & C. Lassell tr. H. Schellen Spectrum Anal. (ed. 2) lxi. 242 The visible part of the spectrum is then removed from sight, and the fluorescence spectrum alone occupies the field. 1953 A. G. E. Pearse Histochem. iv. 61 No reactions are known by which tryptochrome could be demonstrated histochemically, although it has a characteristic fluorescence spectrum. 2007 R. Menzel Photonics (ed. 2) vii. 547 The aggregation in the sample can usually be observed via the ground state absorption and the fluorescence spectrum. < as lemmas |
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