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3 7 ( 72 168 ) .

2 72 .

.

.

t, lg t q t, / lg q t
  0,301   1,113
  0,602   1,204
  0,778   1,301
... ... ... ...
  1,857   2,312

1 lg qt = f (lgt), t = 72 孭, (. 3).

. 3

(k) (a) . (k) .

( ) (t)

, (4)

q 72 - 72 , /.

. t = 72 q 72 = 205 /. , Dlg q t = 0,420; Dlgt = 0,631 k = 0,420/0,631 = 0,668. t =168 (4)

q 168 = 205(168:72)0,668 = 361 /.

. lgqt = f (lgt) , , . 168 .

3

v = 20 /, Å = 1,25×10-4 /(×.) =1,0 / t =12 l 12 = 20×12 = 240 .

l 12 = 240 .

= 41 . N 12 = 38, :

W 12 = l,25×10-4×41= 5×10-3 /;

q 12 =1,0×38 = 38 /.

.

t, Wt, / q t, /
     
     
     
...    
     

4

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1. (), ___________________________________________________

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3. _______ _______________

4. ______________________________________

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7.

t, q t, / W t, /
     
     
     
     

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