|
Test number
|
Cu2+ (A)
|
Fe2+ (B)
|
Zn2+ (C)
|
Mn2+ (D)
|
OD600 60 h
| |
|---|
|
Results of the orthogonal experiment
|
|
1
|
1
|
1
|
1
|
1
|
0.9379
| |
|
2
|
1
|
2
|
2
|
2
|
1.0552
| |
|
3
|
1
|
3
|
3
|
3
|
0.7374
| |
|
4
|
2
|
1
|
2
|
3
|
0.6545
| |
|
5
|
2
|
2
|
3
|
1
|
0.6614
| |
|
6
|
2
|
3
|
1
|
2
|
1.2293
| |
|
7
|
3
|
1
|
3
|
2
|
0.7192
| |
|
8
|
3
|
2
|
1
|
3
|
0.8526
| |
|
9
|
3
|
3
|
2
|
1
|
0.9106
| |
|
T1
|
2.7305
|
2.3116
|
3.0198
|
2.5099
|
7.7581
| |
|
T2
|
2.5452
|
2.5692
|
2.6203
|
3.0037
| | |
|
T3
|
2.4824
|
2.8773
|
2.1180
|
2.2445
| | |
|
The average k1
|
0.9102
|
0.7705
|
1.0066
|
0.8366
| | |
|
k2
|
0.8484
|
0.8564
|
0.8734
|
1.0012
| | |
|
k3
|
0.8275
|
0.9591
|
0.7060
|
0.7482
| | |
|
R value
|
0.0827
|
0.1886
|
0.3006
|
0.2530
| | |
| |
SS
|
df
|
MS
|
F
|
F0.05(2,2)
|
Significant
|
|---|
|
Variance analysis
|
|
A
|
0.0111
|
2
|
0.0056
|
56.0000
|
19.0000
|
*
|
|
B
|
0.0534
|
2
|
0.0267
|
267.0000
| |
**
|
|
C
|
0.1361
|
2
|
0.0681
|
681.0000
| |
****
|
|
D
|
0.0989
|
2
|
0.0495
|
495.0000
| |
***
|
|
Error
|
0.0001
|
2
| | | | |
