| 试验号 | 超声时间/min | KH2PO4质量分数/% | 乙醇质量分数/% | 萘普生萃取率/% | 尼莫地平萃取率/% |
| 1 | −1 | 1 | 0 | 85．01 | 83.83 |
| 2 | 0 | −1 | −1 | 88.11 | 85.87 |
| 3 | −1 | 0 | 1 | 84.44 | 81.09 |
| 4 | 1 | 0 | −1 | 90.1 | 84.80 |
| 5 | 0 | 0 | 0 | 95.23 | 88.17 |
| 6 | 0 | 1 | 1 | 87.70 | 83.05 |
| 7 | 0 | 0 | 0 | 95.20 | 89.32 |
| 8 | 0 | 0 | 0 | 94.98 | 89.15 |
| 9 | 0 | −1 | 1 | 84.40 | 81.09 |
| 10 | 1 | −1 | 0 | 85.32 | 79.84 |
| 11 | 0 | 0 | 0 | 97.23 | 89.74 |
| 12 | 1 | 0 | 1 | 89.67 | 81.37 |
| 13 | −1 | 0 | -1 | 91.74 | 82.77 |