ventilation air methane

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
ventilation air methane	0.56	0.2	5164	3	23
ventilation	0.49	0.9	6008	12	11
air	0.44	0.8	3643	94	3
methane	0.75	0.3	3787	55	7

Keyword	CPC	PCC	Volume	Score
ventilation air methane	1.85	0.1	5178	4
coal mine ventilation air methane	1.17	1	6320	69
methane in coal mines	0.68	0.8	8407	29
methane gas in coal mines	0.97	0.5	5747	87
methane in coal mining	1.82	0.2	6854	28
underground coal mine ventilation	1.99	0.2	3786	32
coal bed/mine methane	0.91	0.4	6594	95
coal-mine methane	1.01	1	801	89
coal mine methane capture	0.63	0.4	2552	11
coal bed methane production	0.61	0.8	1836	4
coal bed methane pdf	1.54	0.2	4769	57
coal bed methane gas	0.07	0.3	4385	60
coal mine ventilation fans	1.41	0.7	3361	4
mine ventilation and air conditioning pdf	1.98	0.3	2747	9
coal-bed methane	0.83	1	4399	43
mine ventilation and air conditioning	0.51	0.6	7539	100
deep coal bed methane	1.76	0.3	1311	48
driving down coal mine methane emissions	0.11	0.9	2150	30
does coal mining release methane	0.27	0.2	2839	67
coal bed methane ppt	0.15	0.2	289	89
coal bed methane companies	1.98	1	7122	85