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3
2 0 1 1
10
1
1.
2008
4
2.
3.
2
10km 2
26km
(
Google
2
Google
2
)
4.
(1)
1
2km
9
1
(
No.
1
(
(
2
3
)
32
)
PA(
)
4-7
(
1
6-11
)
4
1-39
5
1-26
6
3-7-18
7
5-8-19
8
2-6-10
9
(
1-1-1
)
3
Google
3
)
p6
2
4
5
PA(
6
7
8
9
4
)
10
11
12
(2)
H
④COD(
H
)
5
5.
2
(
)
tide736.net
(
)
×8
pH
(℃)
32
8.0
30
7.5
28
7.0
26
24
6.5
22
6.0
20
PA
PA
13
14 pH
6
(cm)
40
COD
(ppm)
9
8
35
7
30
6
25
5
20
4
15
3
10
2
5
1
0
0
PA
PA
15
16 COD
(ppm)
(ppm)
4.5
0.25
4.0
0.20
3.5
3.0
0.15
2.5
2.0
0.10
1.5
1.0
0.05
0.5
0.0
0.00
PA
PA
17
18
(ppm)
(ppm)
7
0.16
6
0.14
5
0.12
4
0.10
0.08
3
0.06
2
0.04
1
0.02
0
PA
PA
19
20
7
6.
(1)
20.9℃
30.3℃
3
(℃)
21
(2009
)
(
)
21
21
(2)
(2009
)
6.4
7.8
(
)
2009 8 19
29.8
2009 8 19
27.5
2009 8 19
29.1
2009
27.0
2009 8
28.3
pH
4 pH
pH
AA
21
(2009
)
(
)
21
21
(2009
)
(
)
8
C
6.5 8.5
2009
8.1
2009
7.6
2009
7.4
2009
7.7
2009
6.9
(3)
5
(cm)
21
(2009
)
(
)
21
21
(4)
(2009
)
(
)
2009
>50
2009
>50
2009
>50
2009
>50
2009
3.0
COD
PA
PA
6 COD
COD(ppm)
1 2
2 10
0 5
21
(2009
)
(
)
21
21
(2009
)
(
)
9
2009
4.4
2009
6.2
2009
6.7
2009
4.5
2009
6.1
(5)
PA
7
NH4+-N
(ppm)
(
0.2
)
≧0.5
21
21
2009
2009
0.50
2009
0.83
2009
1.0
2009
4.4
(6)
8
NO2—-N
(ppm)
(
0
)
≦0.02
21
21
2009
10
2009
0.10
2009
0.25
2009
0.3
2009
1.5
(7)
9
NO3—-N
(ppm)
(
1
)
1 2
21
21
2009
2009
1.4
2009
2.4
2009
0.3
2009
1.5
(8)
(9)
10
PO43--P
(ppm)
(
0.05
)
0.05 0.2
21
21
2009
11
2009
0.18
2009
0.41
2009
0.4
2009
1.8
7.
21
Google
11
(ppm)
21
11
(2009
(
33.9
)
1280
)
4390
21
16:58
15000
(
18
)
2
22
12
tide736.net
8.
12
COD
ppm
8
7
6
5
4
3
2
1
0
2008 6
2009
23
2009
8
2010
1
2011
(COD)
8
1
ppm
9
8
7
6
2009
2010
2011
5
4
3
2
1
0
25
24
(COD)
2
2010
2010
3
13
7
7
22
9.
20
18
16
14
ppm
12
10
8
6
4
2
08
20
06
20
04
20
02
20
00
20
98
19
96
19
94
19
92
19
90
19
88
19
86
19
84
19
82
19
80
19
19
76
19
74
19
78
0
26 COD
1974
28
27
2011
27 1974
1974
7
28 2010
8
10.
2010
2010
2
28
Web
Google
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