XIX . XX ., , :
.Գ;
. .ϳ.
.. - ( , 1916 .), . ³ , , , , , , . : , , ( ).
.Գ , :
();
V ( );
( , , 1);
Q ( );
N ;
V - .
, , , , , .Գ :
MV = PQ, P = MV / Q,
P = (MV + NV) / Q.
: . , .ϳ, .. ϳ , ᒺ . , ϳ , :
= ,
( ):
( , );
( );
, ( , , ( )).
Գ , = 1 / V, , .
Գ | |
ᒺ ( - ) | |
- | , |
ᒺ | ᒺ |
(s) | (Md) |
. .
|
|
30- XX . , . , , . . , , , . , ᒺ . :
1) , .
2) .
3) , . , : . , , . , , , .
Md = MdT + MdS,
Md - ,
MdT - ,
MdS .
MdT = f (Y) . (Y) .
MdS = f(Y) , f(r) . (r) dS.
Md = f(Y) + f(r). . , . , . , , , . . ³ , .