| 单词 | spark spectrum |
| 释义 | > as lemmasspark spectrum spark spectrum n. a spectrum produced by an atom in a given state of ionization, commonly excited under laboratory conditions by an electric spark. ΘΚΠ the world > matter > physics > atomic physics > decomposition of light, spectrum > [noun] > spectrum produced by ionized atom spark spectrum1873 1873 Philos. Trans. (Royal Soc.) 163 266 (table) The spark-spectrum of the chloride. 1879 J. N. Lockyer in Proc. Royal Soc. 30 27 Flame Spectrum... Spark Spectrum. 1905 E. C. C. Baly Spectrosc. 374 The induction coil is used..for the production of the so-called spark spectra of substances. 1970 G. K. Woodgate Elem. Atomic Struct. vi. 105 Na I is also called the arc spectrum of sodium, Mg II the first spark spectrum of magnesium and Al III the second spark spectrum of aluminium. < as lemmas |
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