… Liquid 4He , or liquid helium-4, transitions to a superfluid state where viscosity disappears at 2.172 K (0.0497 atm). Liquid helium-4 in a superfluid state is sometimes called liquid helium II, while liquid helium-4 above the superfluid transition temperature is called liquid helium I. Liquid helium-3 (liquid 3He ) also transitions to a superfluid state at 0.93 mK (0 atm). … *Some of the terminology that mentions "Liquid Helium I" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…4Heの液体,液体ヘリウム4は2.172K(0.0497気圧)で粘性が消失する超流動状態に転移する。超流動状態の液体ヘリウム4を液体ヘリウムII,これに対して超流動転移温度以上の液体ヘリウム4を液体ヘリウムIと呼ぶこともある。液体ヘリウム3(3Heの液体)も0.93mK(0気圧)で超流動状態に転移する。… ※「液体ヘリウム I」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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