, -90 -68, . . 2 1 273 , 7 900 . - . 1/273.16 .
t (C) = T (K) − 273.15
, . 18.1,
1. 0.65 5.0 3He 4He .
2. 3.0 24.5561 ( ) 3He 4He.
3. 13.8033 ( ) 961.78 ( ) , .
(18.3)
R (273.16K) - .
, , . 11 , W r(T) W (T)− W r(T). .
3. 13.8033 273.16 (13.8033), (24.5561), (54.3584), (83.8058), (234.3156) (273.16) , 17.0 20.3, .
3. 0 961.78 (0.01 ), (231.928 ), (419.527 ), (660.323 ) (961.78 ).
4. 961.78 .
, (18.4)
T (x) - , , - , c 2 = 0.014338 K.
, , . , , . . 18.1 .
, , , , . : , .
|
|
. . 18.15-18.17.
18.1
.
. 18.15.
. 18.16.
, (), , .
, . . .
. 18.17.