, , . , . , . . . , . , .
, .
. 4.
.4
, ,
= C1 + 2 + 3,
C1 = bg/q,
2 = sg.
,
RT = (p g)t ,
q = pt .
(p-g)q/2p.
= bg/q + sg + q(p- g)/2p.
dC/dq = 0, :
,
, , , .
q . L, g. (q = Lg).
, L , . , . q , q.
, , , , . , , , .
, , , .
.5.
.5
:
h ;
.
:
= C1 + 2 ,
C1 ; 2 .
|
|
(. .5), /2. /g,
C1 = h*k/2* /g = hk2/2g.
= (q )/g, "-", , ABC.
(g-)/g*(g-)/2,
2 = p(q - )2/2.
C = hk2 /2g+ p(q-k)2/2g.
dC/dk , dC/dk = 0, :
k =pq/(h+p)
k , , :
min= q2hp/2g(h+p).