.


:




:

































 

 

 

 


. u u,




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)

.





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