, .. .
= ( ) + |
MS = C + D |
100 %− : , . |
− , " ": , . |
1000 (R/D) = 10% R1 = 100 R2 = 90 R3 = 81 1000 L1 = (1−0.1)1000 = 900 L2 = (1−0.1)21000 = 810L3 = (1−0.1)31000= 729... I II III = L1 + L2 + L3 +... = (1/ 0.1) 1000 = 10.000 |
"" , 1/ rr |
MS = ----- × D rr |
1/ rr (m) . |
(D − Rr) |
, , , rr. , . |
, | |
MS = f (MB, rr, cr) + ¯ ¯ | |
MB | , (" ", " "); MB = C + R |
rr | (), ; rr = R/D |
, Rr + , Re R | , : Re = R − Rr − ; − ; − " " |
cr | : cr = C/D |
|
|
( ) |
MS MB |
MS C + D 1 + cr m* = ------- = ---------- = ---------- MB C + R rr + cr |
MS = C + D C = cr×D → MS = cr×D + D → D = MS/ (1 + cr) MB = C + R R = rr×R → MB = cr×D + rr×R = D(cr + rr)→ D = MB/(cr + rr) MS/ (1 + cr) = MB/(cr + rr) → MS = MB × (1 + cr)/ (cr + rr) |
1 + cr MS = m* × MB = MB × -------- rr + cr |
cr = 0 m* = m: = |
1. : ↑MB → ↑MS 2. ( ): ↓(rr, cr) → ↑(m*, MS) 3. ( ): ↑(rr, cr) → ↓(m*, MS) |