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. 2020 Feb 11;10:32. doi: 10.1186/s13568-019-0929-8

Table 4.

Analysis of orthogonal experimental results of exogenous conditions

Experiment number Factor level
Glycerol (vol/vol) Training time (h) C (Mg2+)(mM) OD570
1 1 1 1 0.0541
2 1 2 2 0.0973
3 1 3 3 0.1013
4 2 1 2 1.0413
5 2 2 3 1.2146
6 2 3 1 0.5421
7 3 1 3 0.8642
8 3 2 1 0.9421
9 3 3 2 1.1241
K1 0.0842 0.6532 0.5128
K2 0.9327 0.7513 0.7542
K3 0.9768 0.5892 0.7267
Range 0.8926 0.1622 0.2415
Factor A > C>B
Optimal combination A2B2C3