| 单词 | bec |
| 释义 | > as lemmasBEC BEC n. Physics Bose–Einstein condensation; (also) Bose–Einstein condensate. ΚΠ 1975 Jrnl. Low Temperature Physics 21 543 We treat the question of the existence of Bose-Einstein condensation (BEC) in Bose lattice systems. 1976 Progress Theoret. Physics 56 1689 Dynamics of Bose-Einstein Condensate (BEC) is treated on the basis of the Mori theory of non-equilibrium thermodynamics. 2001 Nature 24 May 427/1 For BEC to occur, the quantum wavelengths of the atoms must be greater than their average separation, which for liquid helium is about 0.4 nanometres. < as lemmas |
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