. . , , , - . , . t
.
. . (35), . , , s, Þ
. (39)
: . s . .
, (40)
ρ , t, oC :
, (41)
α ; ρ , a .
.
. (42)
R ( ) ,
, (43)
l , S . : [ R ]=[ ]. [ ρ ]=[ × ].
, .. . , r (.15). U = I (R + r) (38), Þ
I (R + r)=() + e. (44)
: .
1 2 =0,
. (45)
, ,
| | = e. (46)
.