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Originally posted by pxjiushun100 at 2009-9-26 03:44:


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Originally posted by ϦÑôÎ÷Ï at 2009-9-25 12:45:
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Originally posted by bote at 2009-9-26 05:40:


This is Fermi-Dirac distribution. And this why pertubation theory of room temperature in condensed matter physics is a good approximation.

T is measurement of entropy S (or change o ... [/qu ...

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Originally posted by bote at 2009-9-26 05:49:

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Originally posted by peterh at 2009-9-26 09:32:


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