Development and Application of Visualization System of Gas Geological Dynamic Characteristics under Big Data Framework

Table 2

The volume of gas discharge on coal face datasheet structure.

Field number	Field name	Field type	Field length	Decimal places	Field name meaning
1	ID	Long	4	0	Serial number
2	CQ	Char	16	—	Mining area
3	GZM_name	Char	16	—	Working face name
4	KC_depth	Single	8	2	Mining depth
5	JL_date	Data	8	—	Record time
6	MC_thick	Single	6	2	Average coal seam thickness
7	KC_thick	Single	6	2	Height mining
8	HC_ways	Char	16	—	Extraction method
9	TF_volume	Single	8	2	Air volume
10	WS_con	Single	8	2	Gas concentration
11	RCL	Single	8	2	Average daily production
12	WS_X	Single	8	2	Gas emission point X coordinate
13	WS_Y	Single	8	2	Gas emission point Y coordinate