. , , , . ( 0,05) , . . , . 00 10 , . , , 150-300 0 ( 500).
, , , . . 0 +750 :
, (1)
0; t , ; , ():
= 3,96847´10-3 1/, = 5,847´10-7 ,
= 3,90802´×10-3 1/, = 5,802´10-7 Pt.
50 +180 :
, (2)
a = 4,26(4,28)×10-3 1/.
200, .. .
, , , , 1 mA.
a .
, 6651 . 1.
1
W100 | , D, | 0 | ||
21 () | 1,391 | : D = (0,15 + 2×10-3×t); : D = (0,3 + 5×10-3×t); : D = (0,6 + 8×10-3×t); | 46,0 | |
50 () | 1,391 | 50,0 | ||
Pt | 1,385 | 10, 100, | ||
Pt¢ () | 1,391 | |||
23 () | 1,428 | : D = (0,25 + 3,3×10-3×t); : D = (0,5 + 6,5×10-3×t); | 53,0 | |
Cu | 1,426 | |||
Cu¢ () | 1,428 |
R0 = 10
, :
(3)
100 +400. , . . R 0 .
|
|
() 0200.