例文・使い方で印象づける「helium」の覚え方
スポンサーリンク...Itwas too deep for me, but it is basedupon changing hydrogen into helium,I think... 
Various 「Astounding Stories of Super-Science, December 1930」
..."Those tubes sticking from the bottom contain something you arefamiliar with: non-burning and non-explosive helium gas...
Various 「Astounding Stories of Super-Science, June, 1930」
...The element helium was firstisolated by Ramsey some twenty-sevenyears later...
Various 「Astounding Stories of Super-Science April 1930」
...It was full of bright lines of hydrogen, calcium, helium, andothers not identified...
George Forbes 「History of Astronomy」
...Three are due to hydrogen;two (discovered by Copeland) are helium lines; others are unknown...
George Forbes 「History of Astronomy」
...The quiescent prominences, whose elevation is often from forty thousand to sixty thousand miles, consist, as the spectroscope shows, mainly of hydrogen and helium...
Garrett Serviss 「Curiosities of the Sky」
...It was, therefore, supposed to be caused by somehitherto unknown body to which the name of helium, or the sun element,was given...
Robert Stawell Ball 「The Story of the Heavens」
...Type B (Orion type, Helium stars)...
Carl Vilhelm Ludvig Charlier 「Lectures on Stellar Statistics」
...To the helium stars (B) belong Rigel, Achernar, β Centauri,Spica, Regulus and β Crucis...
Carl Vilhelm Ludvig Charlier 「Lectures on Stellar Statistics」
...Its spectrum shows that it is composedchiefly of hydrogen, calcium and helium, in the state of vapour...
Cecil G. Dolmage 「Astronomy of To-day」
...About a dozen less conspicuous lines were graduallyidentified in the spectrum of the prominences and the chromosphere,which appeared also to be caused by this same mysterious helium...
Robert Stawell Ball 「The Story of the Heavens」
...Here againwe have hydrogen and helium represented by bright lines, while theorigin of the remaining bright lines is doubtful...
Robert Stawell Ball 「The Story of the Heavens」
...The helium lines have vanished...
Carl Vilhelm Ludvig Charlier 「Lectures on Stellar Statistics」
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