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“氦保護(hù)”的英語(yǔ)可以翻譯為:helium-atmosphere,heliumshield ...
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“氦核”的拼音為:hài hé...
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“氦”的拼音為:hài...
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“氦層”的拼音為:hài céng...
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“氦”的英語(yǔ)可以翻譯為:[化] helium (2號(hào)元素, 符號(hào) He) ...
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氦是一種非常輕的氣體。Helium is a very light gas.氦是一種用于氣球的氣體.Helium is a gas used in balloons.與氦 - 4不同之處是, 氦-3不能由放射性衰變產(chǎn)生.Unlike helium - 4, it cannot be produced by radioactive decay....
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“反氦”的英語(yǔ)可以翻譯為:antihelium ...
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“氦層”的英語(yǔ)可以翻譯為:heilosphere ...
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“氦核”的英語(yǔ)可以翻譯為:helion ...
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α粒子是從天然放射性蛻變得到的帶正電的氦核.Alpha particles are positively charged helium nuclei obtained from natural radioactive decay.粒子 —— 氦核 —— 正通過(guò)試管被拋出, 從而在試管中形成人造迷霧.Alpha particles -- helium nuclei -- were being hurled through the tube...