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1. Ê×ÏÈÍâÍÆH
dH = Cp(T)dT
H(T) = H(Tr) + ¡ÒCp(T)dT
½ÓÏÂÀ´¾ÍÊÇCp(T)µÄÎÊÌâ¡£ÄãÕâÀïÊÖ²á¸øµÄÖµÈÏΪCpºÍTÎ޹أ¬Ò²Êdz£¼ûµÄ¼ò»¯·½°¸¡£´Ó¶ø¾ÍÓУº
H(T) = H(Tr) + Cp (T - Tr)
2. È»ºóÍâÍÆS
dS = Cp(T)dT/T
S(T) = S(Tr) + ¡ÒCp(T)dT/T
ͬÑù¼Ù¶¨CpÓëTÎ޹أ¬ÈÝÒ×»ý·ÖµÃµ½£º
S(T) = S(Tr) + Cp(T) ln(T/Tr)
3. ÕûÀí³ÉG
G(T) = H(T) - TS(T) = [H(Tr) + Cp (T - Tr)] - T[S(Tr) + Cp(T) ln(T/Tr)]
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G(T) = G(Tr) + (Cp - S(Tr))(T - Tr) - TCpln(T/Tr)
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