Table 2 Numerical characteristics of the cloud model for an index of coal spontaneous combustion.
Indicators | Grade I (Ex, En, He) | Grade II (Ex, En, He) | Grade III (Ex, En, He) | Grade IV (Ex, En, He) |
|---|---|---|---|---|
U11 | (0.10, 0.03, 0.05) | (0.35, 0.05, 0.05) | (0.65, 0.05, 0.05) | (0.90, 0.03, 0.05) |
U12 | (5.50, 0.42, 0.05) | (4.25, 0.42, 0.05) | (2.00, 0.33, 0.05) | (0.50, 0.17, 0.05) |
U13 | (0.25, 0.08, 0.05) | (1.00, 0.17, 0.05) | (2.25, 0.25, 0.05) | (3.00, 0.25, 0.05) |
U14 | (24.00, 0.25, 0.05) | (23.25, 0.25, 0.05) | (21.75, 0.25, 0.05) | (10.50, 3.50, 0.05) |
U15 | (2.00, 0.67, 0.05) | (7.00, 1.00, 0.05) | (13.00, 1.00, 0.05) | (16.00, 1.00, 0.05) |
U21 | (0.10, 0.03, 0.05) | (0.30, 0.03, 0.05) | (0.55, 0.05, 0.05) | (0.85, 0.05, 0.05) |
U22 | (0.15, 0.05, 0.05) | (0.65, 0.12, 0.05) | (1.25, 0.08, 0.05) | (1.50, 0.08, 0.05) |
U23 | (6.00, 0.25, 0.05) | (5.25, 0.25, 0.05) | (3.75, 0.25, 0.05) | (1.50, 0.50, 0.05) |
U24 | (0.10, 0.03, 0.05) | (0.35, 0.05, 0.05) | (0.625, 0.04, 0.05) | (0.875, 0.04, 0.05) |
U31 | (10.00, 3.33, 0.05) | (25.00, 1.67, 0.05) | (35.00, 1.67, 0.05) | (40.00, 1.67, 0.05) |
U32 | (150.00, 16.70, 0.05) | (300.00, 33.30, 0.05) | (550.00, 50.00, 0.05) | (700.00, 50.00, 0.05) |
U33 | (0.10, 0.03, 0.05) | (0.30, 0.03, 0.05) | (0.55, 0.05, 0.05) | (0.85, 0.05, 0.05) |
