Besonderhede van voorbeeld: 6559567109084892013

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English[en]
He succeeded in arranging the spectral lines of helium in two spectral series and, until 1897, this was thought to be evidence that hydrogen was a mixture of two elements.
Korean[ko]
두 스펙트럼 시리즈 헬륨의 스펙트럼 선 정리에 성공하고 1897 년까지,이 증거는 수소 두 가지 요소의 혼합가 될 것으로 생각했다.

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