.


:




:

































 

 

 

 





 

, , , , , , .

10, 15 18; 2 .

, . , . , ( ) . . . ( w < 140 ) , , ( ).

, , , , , .

.

. , .

, (7.1)

max , max = 1246,9 ×.

.

d = 8 [2].

. (7.2)

. (7.3)

.

. (7.4)

. (7.5)

. (7.6)

. (7.7)

 

 

(7.8)

d1 = 17 . 4 [2].

. (7.9)

(7.10)

13.

,

(7.11)

9.

. (7.12)

9.

9 [2].

. (7.13)

, (7.14)

D , D1 = 85 , D2 = 140 .

;

.

. (7.15)

. (7.16)

. (7.17)

, (7.18)

, (7.19)

. (7.20)

, d2

, (7.21)

(7.22)

. (7.23)

, (7.24)

,

.

. (7.25)

.

.

 





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