| 单词 | gas spectrum |
| 释义 | > as lemmasgas spectrum gas spectrum n. Physics a spectrum of light emitted or absorbed by a gas. 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 1859 London, Edinb. & Dublin Philos. Mag. 4th Ser. 18 12 Nevertheless it seemed to me desirable for our gas-spectra, to support the above law by a direct experiment. 1921 W. T. Hall tr. F. P. Treadwell Anal. Chem. I. ii. 130 To examine gas spectra, small Geissler tubes are used which contain the gas to be detected in a dilute condition. 2000 S. P. Love et al. in P. J. Mouginis-Mark et al. Remote Sensing Active Volcanism 121/1 When the background is cooler than the gas, the gas spectrum in the absence of sunlight appears in emission. < as lemmas |
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