Modification of Coal Samples with Bursting Liability Subjected to Microwave Irradiation

Table 3

AE parameters of coal samples before and after microwave heating under uniaxial loading.

Serial number	The statistics of event count			The statistics of hit count
	Events	Energy (aJ)	Average energy(aJ)	Hits	Energy(aJ)	Average energy(aJ)
CGN1-1	366	2.33 E + 07	6.37 E + 04	14791	2.80 E + 07	1.89 E + 03
CGN1-2	457	3.52 E + 07	7.70 E + 04	27300	8.85 E + 07	3.24 E + 03
CGN1-3	610	3.75 E + 07	6.15 E + 04	28120	8.59 E + 07	3.05 E + 03
CGY2-1	453	1.56 E + 07	3.44 E + 04	83144	3.01 E + 08	3.62 E + 03
CGY2-2	399	1.13 E + 07	2.83 E + 04	69280	1.56 E + 08	2.25 E + 03
CGY2-3	617	0.92 E + 07	1.49 E + 04	42214	1.49 E + 08	3.53 E + 03
HSN2-1	315	0.50 E + 07	1.59 E + 04	34488	1.09 E + 08	3.16 E + 03
HSN2-2	700	0.59 E + 07	8.43 E + 03	34111	0.75 E + 08	2.20 E + 03
HSN2-3	281	7.24 E + 07	2.58 E + 05	33387	5.21 E + 08	1.56 E + 04
HSY1-1	717	2.27 E + 07	3.17 E + 04	36560	8.15 E + 08	2.23 E + 04
HSY1-2	506	0.84 E + 07	1.66 E + 04	44725	2.34 E + 08	5.23 E + 03
HSY1-3	808	1.45 E + 07	1.79 E + 04	48717	1.55 E + 08	3.18 E + 03