1. r .
2. (r )
(40)
I - , , ;
l - , , :
l = 4 < 5 ;
l = 20,4 = (5¸50) ;
l = > 50 .
r S x S - , ;
- , .
0,4 , . 12-22.
. 12-21 r (s) (l ), (0,4 ) . (40) l = 3 .
. 22 , 0,4 , . (40) , l = 2 .
l , l , - ( - ) :
(41)
z 1 z 1 - , .
3. , , . , 630-1000 ×, . 23.
(z ) :
;
;
. 23 K c f (z )
(42)
.
4. , , . 0,7-0,8.
r = f (s, l ) 630 ×
. 12
r = f (s, l ) 750 ×
|
|
. 13
r = f (s, l ) 1000 ×
. 14
r = f (s, l ) 1600 ×
. 15
r = f (s, l ) 2500 ×
. 16
r = f (s, l ) 400 × ( ) ( )
. 17
r = f (s, l ) 630 × ( ) ( )
. 18
r = f (s, l ) 1000 × ( ) ( )
. 19
r = f (s, l ) 1600 × ( ) ( )
. 20
r = f (s, l ) 2500 × ( )
. 21
r = f (, l ) 1000, 1600 2500 ×
:
1 - -68-1000
2 - -73-1600
3 - -68-2500
4 - -68-4000
. 22
, , ( 1) ( 2)
. 23
10