u u,
(5.24)
, , .
S = i/ u . [/] , . 5.4, , , S = Δi/Δu.
, , (5.21) (5.18).
(5.25)
(5.25) , ,
(5.26)
, L Z. d ρ , (. (5.3)). , LK , .
Gi = Δi/Δuc . (. . 5.4, ), , Gi = Δi/Δuc, Δi ( ), Δuc ( ). . , Δuc, , Gi. Gi Ri = 1 / Gi. .
, . μ. , :
(5.27)
, duc dic, du, dic, ic.
μ S Ri. , ,
(5.28)
dic = 0,
(5.29)
(5.30)
(5.27)
(5.31)
.