Table 5. Calorific Value of Coal Samples.

	30 °C		40 °C		50 °C
coal sample	ΔT (°C)	ΔE (J/g)	ΔT (°C)	ΔE (J/g)	ΔT (°C)	ΔE (J/g)
Kiamusze	0.86	377.83	0.67	295.23	0.52	228.31
	1.07	467.21	0.98	430.92	0.88	383.13
	1.49	650.96	1.39	607.32	1.13	492.82
	2.10	917.26	1.82	794.70	1.60	698.93
	3.17	1386.44	2.55	1117.47	2.35	1027.83
	3.33	1456.95	3.20	1400.01	2.98	1302.93
Panxi	0.78	381.30	0.63	306.70	0.63	305.87
	1.28	625.83	1.16	565.76	1.03	503.05
	1.95	951.19	1.90	923.42	1.82	884.54
	4.02	1956.61	3.96	1927.96	3.84	1868.67
	5.01	2439.44	4.90	2385.02	4.73	2305.46
	5.90	2872.24	5.64	2748.63	5.44	2648.27
Haitian	0.86	322.19	0.69	257.08	0.50	188.27
	1.02	383.69	0.79	294.13	0.69	259.74
	2.25	841.07	2.21	826.31	2.14	801.66
	3.26	1220.01	3.12	1170.19	3.06	1147.68
	3.59	1344.19	3.48	1302.76	3.40	1273.01
	4.14	1550.77	4.09	1532.64	3.83	1434.80
Pingba	0.39	181.01	0.22	103.79	0.20	94.73
	0.46	216.64	0.39	185.29	0.39	182.94
	1.06	496.14	0.92	433.52	0.88	412.87
	1.54	724.38	1.51	708.33	1.49	697.11
	1.95	914.69	1.91	895.12	1.84	864.98
	2.18	1021.16	2.18	1025.34	1.94	910.47
Pingbao	0.44	189.92	0.31	134.67	0.29	126.73
	0.61	265.54	0.58	254.86	0.50	219.14
	1.21	527.03	1.16	505.44	0.95	413.56
	1.88	821.62	1.76	768.80	1.53	667.45
	2.17	944.73	2.06	898.24	1.99	869.85
	2.67	1164.57	2.49	1085.59	2.18	950.09
Matigou	0.58	220.46	0.39	149.13	0.24	91.33
	0.92	348.92	0.84	317.58	0.73	276.30
	1.71	645.36	1.61	607.67	1.35	508.78
	2.32	875.35	2.04	769.50	1.82	686.79
	3.39	1280.55	2.77	1048.26	2.57	970.84
	3.55	1341.45	3.42	1292.27	3.20	1208.43
Ordos	0.76	334.35	0.57	251.60	0.42	184.54
	1.17	511.62	1.08	475.26	0.97	427.37
	1.91	838.60	1.81	794.88	1.55	680.15
	2.52	1105.42	2.24	982.63	2.02	886.67
	3.59	1575.51	2.98	1306.02	2.77	1216.20
	3.75	1646.16	3.62	1589.10	3.40	1491.83
Zhaozhuang	1.10	414.99	0.94	357.12	0.94	356.48
	1.60	604.72	1.48	558.11	1.35	509.46
	2.27	857.17	2.21	835.62	2.13	805.45
	4.33	1637.26	4.27	1615.03	4.15	1569.02
	5.32	2011.88	5.21	1969.65	5.05	1907.92
	6.21	2347.68	5.96	2251.77	5.75	2173.90