T'=T"=T (2-1) ==F〓 (2-2) fi=fi=f fi=fi fi /y fi /x, P a'y P=x P (2-8) y,P=yixi (2-10) y Yi xi K1=y2/x1 Vi/y, K K K y 1n=1 RT V-lnz (2-15) dP RT So L On,/Pm (2-16) RT P Vm -bm To vm(vm +b a,=0.42748R272/P b,=0.08664RT/P 27R272/64PT = T = T = (2-1) P = P = P = (2-2) ˆ ˆ ˆ i i i f f f = = = (2-3) L i V i f ~ f ~ = (2-4) f / y P ~ ˆ i v i i V = (2-5) f / x P ~ ˆ i L i i L = (2-6) l i OL i ˆ f i xf = (2-7) ˆ i yiP ˆ i xiP V L = (2-8) oL i i i i i V y P x f ˆ = (2-9) 2 i 1 i f ~ f ~ = (2-10) 2 i 2 i 1 i 1 i x = x (2-11) (2-12) j i i j i j ij K K x x y y = = (2-13) V L i i i i i ˆ ˆ x y K = = (2-14) t m t v i i d ln 1 ln j V Z V RT n P RT ˆ T ,V ,n − − = (2-15) dP 1 ln j 0 i t i − = P RT n V RT ˆ T ,P,n P (2-16) ( ) m m m m m m T v v b a V b RT P + − − = 0.5 ai R Tc,i Pc,i 2 2 = 0.42748 bi = 0.08664 RTc,i Pc,i ai 27R Tc,i 64Pc,i 2 2 = i i i K = y x