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helium I
释义
helium I
n.
(名词)
Liquid helium existing as a normal fluid between the superfluid transition point of approximately 2.2°K at 1 atmosphere pressure and its boiling point of 4.2°K.
(低温物理学用语)氦I:液体氦,以普通液体形式存在于超流体之间,一个大气压下其转变点约为2.2°K,沸点为4.2°K
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更新时间:2026/4/30 10:48:12