Table 9.
Model prediction results.
| Number | Mining unit volume of ore mining equipment consumption | Production process parameters | Performance price ratio | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Powdery ammonium nitrate/(yuan/m3) | Diesel/(yuan/m3) | Detonating cord/(yuan/m3) | Nonel/(yuan/m3) | Detonator/(kg/m3) | Explosive unit consumption/(kg/m3) | Row spacing/m | Hole bottom distance/m | Ore drawing step pitch/row | Predicted | Actual | |
| 1 | 459 | 51 | 241 | 40 | 53 | 86 | 161 | 21 | 5 | 2735 | 2690 |
| 2 | 459 | 48 | 223 | 31 | 41 | 85 | 170 | 21 | 3 | 3023 | 3071 |
| 3 | 459 | 48 | 228 | 33 | 45 | 86 | 176 | 22 | 4 | 3293 | 3374 |
| 4 | 459 | 49 | 230 | 35 | 43 | 85 | 165 | 21 | 3 | 3123 | 3141 |
| 5 | 471 | 49 | 238 | 34 | 46 | 88 | 176 | 22 | 4 | 3009 | 3034 |
| 6 | 464 | 51 | 264 | 33 | 45 | 86 | 18 | 22 | 4 | 3021 | 2993 |
| 7 | 470 | 48 | 224 | 30 | 40 | 87 | 155 | 22 | 4 | 336 | 3357 |