RC LnKg=LnK8+△LnT+△Ln .-. △V △H T RT △V m RT2 T RT2 △,U品 RT 11 11 = ( ) P RTC KP KC P RC LnKP = LnKC + LnT + Ln 2 ( ) ( ) RT H T T LnK T LnK r m P C P P = + = 2 2 ( ) RT U RT T H T LnK r m r m P C = − = 2 ( ) RT U T LnK r m P C =