, , . , , () . , , (. . ) 0 . , . ( ) , ().
, . , () , . , , , . . , . , - , . , ( ), ( ). ( ) , , , . .
() :
dWv, dv , ( ) v v+dv.
(Rv,T) (/2).
:
, (v l) . . ,
(197.1)
(197.1) Rv,T Rl,T, .
, ( ) ( ), :
(197.2)
, , v v+dv, . . Rv,T v,T , . v (, v v+dv).
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, , . , (v,T = 1). , , , , , .
, (. 286). , , , . , , 0,1 , . , - .
, , , . , v,T = =const <1.
. 286
, , .
, , . ; ( ) ( ):
(198.1)
v,T ≡ 1, (. (198.1)) , Rv,T rv,T. , rv,T , . , , .
, ( v), v,T < 1 Rv,T < rv,T. , (198.1) , T v v+dv, T , v,T = 0 Rv,T = 0.
, (197.2)
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(198.2)
( ).
, , . , , .