.


:




:

































 

 

 

 


=f(S); t=f(S); I = f(S). , ∙

= + , (41)

- , ∙;

- , ∙.

, (42)

, , Uc=3000 :

, (43)

n - . , . 10.

10.

, / I, , / I, I, t, ∑ I∙t, ∙
1 2 3 4 5 6 7 8

, ∙:

= ∙ t, (44)

- I ∙ /; . 11.

t - , .

104 ∙ , ∙/104 ∙:

. (45)

11.

I

.

.

, ∙ / , ∙ /
23 8 10, 10 11 15   1,25 1,67 2,08 2,08 2,08 60 80 80, 80 85     3,33 4,83 5,50 5,50

=f(S) t=f(S). Id = f(S) ( , ).

Id = f(S) Id = f(), [3] =f(S).

(42)-(45), .4. , ∙:

. (46)

, . 10, I Id.



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