英语词汇“Paschen series”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

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单词	Paschen series
释义	Definition of Paschen series in English: Paschen series nounˈpaʃ(ə)nˈpäSHən ˌsirēz Physics A series of lines in the infrared spectrum of atomic hydrogen, between 1.88 and 0.82 micrometres. Example sentencesExamples See a 1922 paper by Frederick Brackett comparing Bohr's formula for the hydrogen spectral series with the Paschen series and with two members of a new series. The Paschen series describes transitions from a higher level down to n = 3. Origin 1920s: named after L. C. H. Friedrich Paschen (1865–1947), German physicist. Definition of Paschen series in US English: Paschen series nounˈpäSHən ˌsirēz Physics A series of lines in the infrared spectrum of atomic hydrogen, between 1.88 and 0.82 micrometers. Example sentencesExamples See a 1922 paper by Frederick Brackett comparing Bohr's formula for the hydrogen spectral series with the Paschen series and with two members of a new series. The Paschen series describes transitions from a higher level down to n = 3. Origin 1920s: named after L. C. H. Friedrich Paschen (1865–1947), German physicist.
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