() | |
I | 106 ≥ K > 104 |
II | 104 ≥ K >103 |
III | 103 ≥ K > 102 |
IV | 102 ≥ K > 10 |
V ( ) | K ≤ 10 |
1. i, Zi, Wi i i , .
2. .
3. .
13.5.
, / | , , , |
, , , - , () ( 2 ) |
13.5.
, / | - - , |
, | |
, , , . . - , 2 3 | |
, / | , , |
, /3 | , 24 , () |
, /3 | 30- , , 30 . ( , ) |
, /3 | , ( ) 8 , 41 , , . ( , , ..) |
13.5.
|
|
, / | , (, , ) , |
S, / | () 20 |
, /3 | 20 |
Kow | / 20 |
LD50, / | 1 , 50% |
LD50, / | 1 , 50% |
LC50, /3 | , 50% |
: - , | |
5 | , (5 ) , |
, , 0,2%- 2 50%- ( ) |
14.
()
17.2.3.02-75 () , , , , , .
|
|
(/) :
2 ( ) (V DT)1/3
= ------------------------------------ (14.1)
A F n n m
) 4/3 V
= ------------------------------- (14.2)
A F n n D
, /3.
, /3.
, , (2/3 1/3 ):
= 250 ;
= 200 ;
= 160 , 52..;
= 140 , , , , , .
F , - . F :
) (, .., 0,05 /) F = 1;
) 90% F = 2; 75 90% F = 2,5; 75% F = 3.
m n , ; .
n .
, .
DT (t) (t. ), ; t. 13.00 .
V , , 3/; :
V = W p D2 / 4 (14.3)
W - ( ), /;
D , .
14.1 , 14.2 . f (/ ), :
f = 1000 W2 D / H2 DT (14.4)
, f £ 100 .
m 2.8:
m = ------------------------------- (14.5)
0,67 + 0,1 f1/2 + 0,34 f 1/3
0,30 1,40.
n 14.7-14.9 V, 14.6:
V = 0,65 (V DT / H)1/3 (14.6)
V ³ 2 n = 1 (14.7)
0,5 £ V < 2 n = 0,532 V2 2,13 V + 3,13 (14.8)
V < 0,5 n = 4,4 V (14.9)
f > 100 DT 0, , m 14.10:
m = 1,47 / f1/3 (14.10)
n 14.7-14.9, V V', 14.11:
|
|
V' = 1,3 W D / H (14.11)