Research Article
Orthogonal Experimental Study on Multifactor Conditions for Gas Desorption in Coal
Table 4
Sensitivity analysis results of the gas desorption amount per unit mass in 30 min.
| Level | A: particle size (mm) | B: temperature (°C) | C: pressure (MPa) | D: moisture content (%) | E: molding pressure (kN) |
| k1 | 16.65 | 16.25 | 27.35 | 17.48 | 18.82 | k2 | 18.18 | 16.69 | 23.90 | 17.88 | 18.94 | k3 | 17.12 | 19.59 | 20.04 | 19.16 | 18.18 | k4 | 20.56 | 18.23 | 13.14 | 20.46 | 18.12 | k5 | 19.09 | 20.83 | 7.16 | 16.63 | 17.54 | R | 3.91 | 4.58 | 20.19 | 3.83 | 1.39 |
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