Table 1.
Factors and levels.
| Factors | Levels | ||
|---|---|---|---|
| −1 | 0 | 1 | |
| A | 0.33 | 1.67 | 3 |
| B | 0.06 | 0.16 | 0.25 |
| C | 15 | 30 | 45 |
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