1
1
銆佸亣瀹氶渶姹傚嚱鏁颁负
Q=MP
-N
锛屽叾涓?/p>
M
琛ㄧず鏀跺叆锛?/p>
P
琛ㄧず鍟嗗搧浠锋牸锛?/p>
N
锛?/p>
N>0
锛変负甯告暟銆傛眰锛氶渶姹傜殑浠锋牸鐐瑰脊鎬у拰闇�
姹傜殑鏀跺叆鐐瑰脊鎬с�?/p>
瑙?/p>
鍥犱负
Q=MP
-N
鎵�浠?
P
Q
d
d
=-MNP
-N-1
锛?
M
Q
d
d
=P
-N
鎵�浠?/p>
N
MP
MNP
Q
Q
P
d
d
E
N
N
P
Q
da
飥?/p>
飥?/p>
飥?/p>
飪?/p>
飥?/p>
飥?/p>
飪?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
-N
1
-
N
-
MNP
Q
P
)
-MNP
(
E
m=
1
P
N
-
飥?/p>
飥?/p>
飥?/p>
飪?/p>
飥?/p>
飪?/p>
飥?/p>
飥?/p>
飥?/p>
N
N
N
M
Q
MP
MP
Q
MP
Q
M
Q
M
d
d
2
銆?/p>
鍋囧畾鏌愭秷璐硅�呯殑闇�姹傜殑浠锋牸寮规�?/p>
E
d
=1.3,
闇�姹傜殑鏀跺叆寮规�?/p>
E
m
=2.2
銆?/p>
姹傦細
锛?/p>
1
锛夊湪鍏朵粬鏉′欢涓嶅彉鐨勬儏鍐典笅锛屽晢鍝佷环鏍间笅闄?/p>
2%
瀵归渶姹傛暟閲忕殑褰卞搷銆?/p>
锛?/p>
2
锛夊湪鍏朵粬鏉′欢涓嶅彉鐨勬儏鍐典笅锛屾秷璐硅�呮敹鍏ユ彁楂?/p>
5%
瀵归渶姹傛暟閲忕殑褰卞搷銆?/p>
瑙?/p>
(1)
鐢遍鐭?/p>
E
d
=1.3
鎵�浠ュ綋浠锋牸涓嬮檷
2%
鏃?/p>
,
鍟嗛渶姹傞噺浼氫笂鍗?/p>
2.6%.
锛?/p>
2
锛夌敱浜?/p>
E
m
=2.2
鎵�浠ュ綋娑堣垂鑰呮敹鍏ユ彁楂?/p>
5%
鏃讹紝娑堣垂鑰呭璇ュ晢鍝佺殑闇�姹傛暟閲忎細涓婂崌
11%
銆?/p>
3
銆?/p>
鍋囧畾鏌愬競鍦轰笂
A
銆?/p>
B
涓ゅ巶鍟嗘槸鐢熶骇鍚岀鏈夊樊寮傜殑浜у搧鐨勭珵浜夎�咃紱璇ュ競鍦哄
A
鍘傚晢鐨勯渶姹傛洸绾夸负
P
A
=200-Q
A
锛?
瀵?/p>
B
鍘傚晢鐨勯渶姹傛洸绾夸负
P
B
=300-0.5脳
Q
B
锛涗袱鍘傚晢鐩墠鐨勯攢鍞儏鍐靛垎鍒负
Q
A
=50
锛?/p>
Q
B
=100
銆?/p>
姹傦細
锛?/p>
1
锛?/p>
A
銆?/p>
B
涓ゅ巶鍟嗙殑闇�姹傜殑浠锋牸寮规�у垎鍒负澶氬皯锛?/p>
i.
濡傛灉
B
鍘傚晢闄嶄环鍚庯紝浣垮緱
B
鍘傚晢鐨勯渶姹傞噺澧炲姞涓?/p>
Q
B
=160
锛屽悓鏃朵娇绔炰簤瀵规墜
A
鍘傚晢鐨勯渶姹傞噺鍑忓皯涓?
Q
A
=40
銆傞偅涔堬紝
A
鍘傚晢鐨勯渶姹傜殑浜ゅ弶浠锋牸寮规�?/p>
E
AB
鏄灏戯紵
ii.
濡傛灉
B
鍘傚晢杩芥眰閿�鍞敹鍏ユ渶澶у寲锛岄偅涔堬紝浣犺涓?/p>
B
鍘傚晢鐨勯檷浠锋槸涓�涓纭殑閫夋嫨鍚楋紵
瑙ｏ紙
1
锛夊綋
Q
A
=50
鏃讹紝
P
A
=200-50=150
褰?/p>
Q
B
=100
鏃讹紝
P
B
=300-0.5脳
100=250
鎵�浠?/p>
3
50
150
)
1
(
飥?/p>
飪?/p>
飥?/p>
飥?/p>
飥?/p>
飪?/p>
飥?/p>
飥?/p>
A
A
PA
QA
dA
Q
P
d
d
E
5
100
250
)
2
(
飥?/p>
飪?/p>
飥?/p>
飥?/p>
飥?/p>
飪?/p>
飥?/p>
飥?/p>
B
B
PB
QB
dB
Q
P
d
d
E
锛?/p>
2
锛?/p>
褰?/p>
Q
A1
=40
鏃讹紝
P
A1
=200-40=160
涓?/p>
10
1
飥?/p>
飥?/p>
飦?/p>
A
Q
褰?/p>
鏃讹紝
160
1
飥?/p>
B
Q
P
B1
=300-0.5脳
160=220
涓?/p>
30
1
飥?/p>
飥?/p>
飦?/p>
B
P
鎵�浠?/p>
3
5
50
250
30
10
1
1
1
1
飥?/p>
飪?/p>
飥?/p>
飥?/p>
飥?/p>
飪?/p>
飦?/p>
飦?/p>
飥?
A
B
B
A
AB
Q
P
P
Q
E
锛?/p>
3
锛夆埖
R=Q
B
路
P
B
=100路
250=25000
R
1
=Q
B1
路
P
B1
=160路
220=35200
R
銆?/p>
R
1
锛?/p>
鍗抽攢鍞敹鍏ュ鍔?/p>
鈭?/p>
B
鍘傚晢闄嶄环鏄竴涓纭殑閫夋嫨