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单词 spark line
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spark line
spark line n. a spectral line corresponding to an atom in a given state of ionization.
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the world > matter > physics > atomic physics > decomposition of light, spectrum > [noun] > spectrum produced by ionized atom > line corresponding to atom
spark line1879
1879 Proc. Royal Soc. 30 27 The spark lines are in the sun, but the less refrangible member of the wide triplet and the blue line seen in the flame are absent.
1932 Proc. Royal Soc. 134 611 It is proposed to give a complete catalogue of the spark lines of arsenic.
1950 Jrnl. Optical Soc. Amer. 40 180/1 By adjusting the conditions of discharge either arc or spark lines may be made to predominate.
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