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Factors and levels of orthogonal experiment.
| Level | Factor | ||
|---|---|---|---|
|
TA A (°C) |
tA B (min) |
RI C |
|
| Level 1 | 700 | 90 | 3.0:1 |
| Level 2 | 750 | 120 | 3.5:1 |
| Level 3 | 800 | 150 | 4.0:1 |
| Level 4 | 850 | 180 | 4.5:1 |
Where TA is the activation temperature, tA is the activation time, RI is the impregnation ratio.
