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Statistical analysis of particle size (Y1), particle size distribution (Y2), and sphericity factor (Y3)
| Y1 | Y2 | Y3 | ||||||
|---|---|---|---|---|---|---|---|---|
| Coefficient | P value | Coefficient | P value | Coefficient | P value | |||
| Constant | 0.85 | Constant | 7.59 | Constant | 0.12 | |||
| Nozzle size (X3) | -0.180 | <0.0001 | Flow rate (X1) | -0.040 | 0.9429 | Flow rate (X1) | 0.022 | 0.0148 |
| High voltage (X2) | -0.600 | 0.2937 | ||||||
| Tip distance (X4) | 0.070 | 0.9002 | ||||||
Bold indicates significant value (P < 0.05)
