helium 在《牛津英西词典》中的词汇

词条helium在英语»西班牙语中的译文 (跳至 西班牙语»英语)

词条helium在西班牙语»英语中的译文 (跳至 英语»西班牙语)

helium 在《PONS词典》中的词汇

词条helium在英语»西班牙语中的译文 (跳至 西班牙语»英语)

词条helium在西班牙语»英语中的译文 (跳至 英语»西班牙语)

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单语范例（未经PONS编辑处理）

英语
Copper is insensitive to hydrogen and impermeable to hydrogen and helium, has low sensitivity to water vapor, but is attacked by mercury.
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Such magnets, therefore, require regular topping-up with liquid helium.
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Hydrogen burning continues in the stars shell, producing helium ash that falls into the core.
en.wikipedia.org
Generally a cryocooler, also known as a coldhead, is used to recondense some helium vapor back into the liquid helium bath.
en.wikipedia.org
As of 2007, no stable neutral molecules involving covalently bound helium or neon are known.
en.wikipedia.org
Proceeding outward, there is an oxygen-burning shell, followed by the neon shell, the carbon shell, the helium shell, and the hydrogen shell.
en.wikipedia.org
The (helium-3) helion consists of two protons and one neutron.
en.wikipedia.org
The splitting of the lithium nuclei produced helium nuclei.
en.wikipedia.org
Helium 1 produces of liquid helium, which is approximately 10% of the world's total helium production.
en.wikipedia.org
In a final production step, most of the helium that is produced is liquefied via a cryogenic process.
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