id	sid	tid	token	lemma	pos
ajst-17373	1	1	academic	academic	ADJ
ajst-17373	1	2	journal	journal	NOUN
ajst-17373	1	3	of	of	ADP
ajst-17373	1	4	science	science	NOUN
ajst-17373	1	5	and	and	CCONJ
ajst-17373	1	6	technology	technology	NOUN
ajst-17373	1	7	issn	issn	NOUN
ajst-17373	1	8	:	:	PUNCT
ajst-17373	1	9	2771	2771	NUM
ajst-17373	1	10	-	-	SYM
ajst-17373	1	11	3032	3032	NUM
ajst-17373	1	12	|	|	NOUN
ajst-17373	1	13	vol	vol	NOUN
ajst-17373	1	14	.	.	PROPN
ajst-17373	2	1	9	9	NUM
ajst-17373	2	2	,	,	PUNCT
ajst-17373	2	3	no	no	INTJ
ajst-17373	2	4	.	.	NOUN
ajst-17373	2	5	2	2	NUM
ajst-17373	2	6	,	,	PUNCT
ajst-17373	2	7	2024	2024	NUM
ajst-17373	2	8	9	9	NUM
ajst-17373	2	9	research	research	NOUN
ajst-17373	2	10	on	on	ADP
ajst-17373	2	11	the	the	DET
ajst-17373	2	12	prevention	prevention	NOUN
ajst-17373	2	13	and	and	CCONJ
ajst-17373	2	14	control	control	NOUN
ajst-17373	2	15	technology	technology	NOUN
ajst-17373	2	16	of	of	ADP
ajst-17373	2	17	low	low	ADJ
ajst-17373	2	18	oxygen	oxygen	NOUN
ajst-17373	2	19	in	in	ADP
ajst-17373	2	20	the	the	DET
ajst-17373	2	21	upper	upper	ADJ
ajst-17373	2	22	corner	corner	NOUN
ajst-17373	2	23	of	of	ADP
ajst-17373	2	24	fully	fully	ADV
ajst-17373	2	25	mechanized	mechanized	ADJ
ajst-17373	2	26	coal	coal	NOUN
ajst-17373	2	27	mining	mining	NOUN
ajst-17373	2	28	face	face	NOUN
ajst-17373	2	29	in	in	ADP
ajst-17373	2	30	daliuta	daliuta	ADJ
ajst-17373	2	31	coal	coal	NOUN
ajst-17373	2	32	mine	mine	NOUN
ajst-17373	2	33	xipei	xipei	PROPN
ajst-17373	2	34	yang	yang	PROPN
ajst-17373	2	35	national	national	PROPN
ajst-17373	2	36	energy	energy	PROPN
ajst-17373	2	37	group	group	PROPN
ajst-17373	2	38	wuhai	wuhai	PROPN
ajst-17373	2	39	energy	energy	PROPN
ajst-17373	2	40	co.	co.	PROPN
ajst-17373	2	41	,	,	PUNCT
ajst-17373	2	42	ltd	ltd	PROPN
ajst-17373	2	43	.	.	PROPN
ajst-17373	2	44	,	,	PUNCT
ajst-17373	2	45	wuhai	wuhai	PROPN
ajst-17373	2	46	,	,	PUNCT
ajst-17373	2	47	inner	inner	PROPN
ajst-17373	2	48	mongolia	mongolia	PROPN
ajst-17373	2	49	,	,	PUNCT
ajst-17373	2	50	016000	016000	NUM
ajst-17373	2	51	,	,	PUNCT
ajst-17373	2	52	china	china	PROPN
ajst-17373	2	53	abstract	abstract	PROPN
ajst-17373	2	54	:	:	PUNCT
ajst-17373	2	55	in	in	ADP
ajst-17373	2	56	response	response	NOUN
ajst-17373	2	57	to	to	ADP
ajst-17373	2	58	the	the	DET
ajst-17373	2	59	problem	problem	NOUN
ajst-17373	2	60	of	of	ADP
ajst-17373	2	61	low	low	ADJ
ajst-17373	2	62	oxygen	oxygen	NOUN
ajst-17373	2	63	in	in	ADP
ajst-17373	2	64	the	the	DET
ajst-17373	2	65	upper	upper	ADJ
ajst-17373	2	66	corner	corner	NOUN
ajst-17373	2	67	of	of	ADP
ajst-17373	2	68	the	the	DET
ajst-17373	2	69	return	return	NOUN
ajst-17373	2	70	air	air	NOUN
ajst-17373	2	71	of	of	ADP
ajst-17373	2	72	the	the	DET
ajst-17373	2	73	52506	52506	NUM
ajst-17373	2	74	fully	fully	ADV
ajst-17373	2	75	mechanized	mechanized	ADJ
ajst-17373	2	76	mining	mining	NOUN
ajst-17373	2	77	face	face	NOUN
ajst-17373	2	78	in	in	ADP
ajst-17373	2	79	daliuta	daliuta	ADJ
ajst-17373	2	80	coal	coal	NOUN
ajst-17373	2	81	mine	mine	NOUN
ajst-17373	2	82	,	,	PUNCT
ajst-17373	2	83	the	the	DET
ajst-17373	2	84	impact	impact	NOUN
ajst-17373	2	85	of	of	ADP
ajst-17373	2	86	atmospheric	atmospheric	ADJ
ajst-17373	2	87	pressure	pressure	NOUN
ajst-17373	2	88	and	and	CCONJ
ajst-17373	2	89	temperature	temperature	NOUN
ajst-17373	2	90	changes	change	NOUN
ajst-17373	2	91	on	on	ADP
ajst-17373	2	92	the	the	DET
ajst-17373	2	93	low	low	ADJ
ajst-17373	2	94	oxygen	oxygen	NOUN
ajst-17373	2	95	in	in	ADP
ajst-17373	2	96	the	the	DET
ajst-17373	2	97	upper	upper	ADJ
ajst-17373	2	98	corner	corner	NOUN
ajst-17373	2	99	of	of	ADP
ajst-17373	2	100	the	the	DET
ajst-17373	2	101	52506	52506	NUM
ajst-17373	2	102	fully	fully	ADV
ajst-17373	2	103	mechanized	mechanized	ADJ
ajst-17373	2	104	coal	coal	NOUN
ajst-17373	2	105	mining	mining	NOUN
ajst-17373	2	106	face	face	NOUN
ajst-17373	2	107	is	be	AUX
ajst-17373	2	108	analyzed	analyze	VERB
ajst-17373	2	109	,	,	PUNCT
ajst-17373	2	110	and	and	CCONJ
ajst-17373	2	111	the	the	DET
ajst-17373	2	112	source	source	NOUN
ajst-17373	2	113	and	and	CCONJ
ajst-17373	2	114	cause	cause	NOUN
ajst-17373	2	115	of	of	ADP
ajst-17373	2	116	the	the	DET
ajst-17373	2	117	low	low	ADJ
ajst-17373	2	118	oxygen	oxygen	NOUN
ajst-17373	2	119	gas	gas	NOUN
ajst-17373	2	120	in	in	ADP
ajst-17373	2	121	the	the	DET
ajst-17373	2	122	upper	upper	ADJ
ajst-17373	2	123	corner	corner	NOUN
ajst-17373	2	124	of	of	ADP
ajst-17373	2	125	the	the	DET
ajst-17373	2	126	52506	52506	NUM
ajst-17373	2	127	fully	fully	ADV
ajst-17373	2	128	mechanized	mechanized	ADJ
ajst-17373	2	129	coal	coal	NOUN
ajst-17373	2	130	mining	mining	NOUN
ajst-17373	2	131	face	face	NOUN
ajst-17373	2	132	are	be	AUX
ajst-17373	2	133	analyzed	analyze	VERB
ajst-17373	2	134	from	from	ADP
ajst-17373	2	135	multiple	multiple	ADJ
ajst-17373	2	136	perspectives	perspective	NOUN
ajst-17373	2	137	.	.	PUNCT
ajst-17373	3	1	a	a	DET
ajst-17373	3	2	comprehensive	comprehensive	ADJ
ajst-17373	3	3	treatment	treatment	NOUN
ajst-17373	3	4	method	method	NOUN
ajst-17373	3	5	is	be	AUX
ajst-17373	3	6	adopted	adopt	VERB
ajst-17373	3	7	,	,	PUNCT
ajst-17373	3	8	including	include	VERB
ajst-17373	3	9	installing	instal	VERB
ajst-17373	3	10	windshields	windshield	NOUN
ajst-17373	3	11	and	and	CCONJ
ajst-17373	3	12	air	air	NOUN
ajst-17373	3	13	guide	guide	NOUN
ajst-17373	3	14	boards	board	NOUN
ajst-17373	3	15	at	at	ADP
ajst-17373	3	16	the	the	DET
ajst-17373	3	17	head	head	NOUN
ajst-17373	3	18	and	and	CCONJ
ajst-17373	3	19	tail	tail	NOUN
ajst-17373	3	20	ends	end	VERB
ajst-17373	3	21	,	,	PUNCT
ajst-17373	3	22	joint	joint	ADJ
ajst-17373	3	23	sealing	sealing	NOUN
ajst-17373	3	24	and	and	CCONJ
ajst-17373	3	25	leak	leak	NOUN
ajst-17373	3	26	-	-	PUNCT
ajst-17373	3	27	repairing	repairing	NOUN
ajst-17373	3	28	at	at	ADP
ajst-17373	3	29	the	the	DET
ajst-17373	3	30	ground	ground	NOUN
ajst-17373	3	31	and	and	CCONJ
ajst-17373	3	32	underground	underground	ADJ
ajst-17373	3	33	levels	level	NOUN
ajst-17373	3	34	,	,	PUNCT
ajst-17373	3	35	sealing	seal	VERB
ajst-17373	3	36	the	the	DET
ajst-17373	3	37	adjacent	adjacent	ADJ
ajst-17373	3	38	goaf	goaf	NOUN
ajst-17373	3	39	communication	communication	NOUN
ajst-17373	3	40	alleys	alley	NOUN
ajst-17373	3	41	,	,	PUNCT
ajst-17373	3	42	pressure	pressure	NOUN
ajst-17373	3	43	ventilation	ventilation	NOUN
ajst-17373	3	44	,	,	PUNCT
ajst-17373	3	45	negative	negative	ADJ
ajst-17373	3	46	pressure	pressure	NOUN
ajst-17373	3	47	suction	suction	NOUN
ajst-17373	3	48	,	,	PUNCT
ajst-17373	3	49	monitoring	monitoring	NOUN
ajst-17373	3	50	and	and	CCONJ
ajst-17373	3	51	control	control	NOUN
ajst-17373	3	52	management	management	NOUN
ajst-17373	3	53	,	,	PUNCT
ajst-17373	3	54	etc	etc	X
ajst-17373	3	55	.	.	X
ajst-17373	4	1	this	this	DET
ajst-17373	4	2	method	method	NOUN
ajst-17373	4	3	solves	solve	VERB
ajst-17373	4	4	the	the	DET
ajst-17373	4	5	problem	problem	NOUN
ajst-17373	4	6	of	of	ADP
ajst-17373	4	7	low	low	ADJ
ajst-17373	4	8	oxygen	oxygen	NOUN
ajst-17373	4	9	in	in	ADP
ajst-17373	4	10	the	the	DET
ajst-17373	4	11	upper	upper	ADJ
ajst-17373	4	12	corner	corner	NOUN
ajst-17373	4	13	of	of	ADP
ajst-17373	4	14	the	the	DET
ajst-17373	4	15	52506	52506	NUM
ajst-17373	4	16	fully	fully	ADV
ajst-17373	4	17	mechanized	mechanized	ADJ
ajst-17373	4	18	coal	coal	NOUN
ajst-17373	4	19	mining	mining	NOUN
ajst-17373	4	20	face	face	NOUN
ajst-17373	4	21	.	.	PUNCT
ajst-17373	5	1	keywords	keyword	NOUN
ajst-17373	5	2	:	:	PUNCT
ajst-17373	5	3	fully	fully	ADV
ajst-17373	5	4	mechanized	mechanized	ADJ
ajst-17373	5	5	coal	coal	NOUN
ajst-17373	5	6	mining	mining	NOUN
ajst-17373	5	7	face	face	NOUN
ajst-17373	5	8	,	,	PUNCT
ajst-17373	5	9	low	low	ADJ
ajst-17373	5	10	oxygen	oxygen	NOUN
ajst-17373	5	11	,	,	PUNCT
ajst-17373	5	12	return	return	VERB
ajst-17373	5	13	air	air	NOUN
ajst-17373	5	14	upper	upper	ADJ
ajst-17373	5	15	corner	corner	NOUN
ajst-17373	5	16	,	,	PUNCT
ajst-17373	5	17	prevention	prevention	NOUN
ajst-17373	5	18	and	and	CCONJ
ajst-17373	5	19	control	control	PROPN
ajst-17373	5	20	technology	technology	NOUN
ajst-17373	5	21	.	.	PUNCT
ajst-17373	6	1	1	1	X
ajst-17373	6	2	.	.	X
ajst-17373	6	3	introduction	introduction	NOUN
ajst-17373	6	4	the	the	DET
ajst-17373	6	5	shallow	shallow	ADV
ajst-17373	6	6	-	-	PUNCT
ajst-17373	6	7	buried	bury	VERB
ajst-17373	6	8	and	and	CCONJ
ajst-17373	6	9	close	close	ADJ
ajst-17373	6	10	-	-	PUNCT
ajst-17373	6	11	distance	distance	NOUN
ajst-17373	6	12	coal	coal	NOUN
ajst-17373	6	13	seam	seam	NOUN
ajst-17373	6	14	groups	group	NOUN
ajst-17373	6	15	are	be	AUX
ajst-17373	6	16	affected	affect	VERB
ajst-17373	6	17	by	by	ADP
ajst-17373	6	18	multiple	multiple	ADJ
ajst-17373	6	19	factors	factor	NOUN
ajst-17373	6	20	during	during	ADP
ajst-17373	6	21	the	the	DET
ajst-17373	6	22	mining	mining	NOUN
ajst-17373	6	23	process	process	NOUN
ajst-17373	6	24	,	,	PUNCT
ajst-17373	6	25	resulting	result	VERB
ajst-17373	6	26	in	in	ADP
ajst-17373	6	27	irregular	irregular	ADJ
ajst-17373	6	28	hypoxia	hypoxia	NOUN
ajst-17373	6	29	phenomenon	phenomenon	NOUN
ajst-17373	6	30	in	in	ADP
ajst-17373	6	31	the	the	DET
ajst-17373	6	32	upper	upper	ADJ
ajst-17373	6	33	corner	corner	NOUN
ajst-17373	6	34	of	of	ADP
ajst-17373	6	35	fully	fully	ADV
ajst-17373	6	36	mechanized	mechanized	ADJ
ajst-17373	6	37	coal	coal	NOUN
ajst-17373	6	38	mining	mining	NOUN
ajst-17373	6	39	faces	face	NOUN
ajst-17373	6	40	.	.	PUNCT
ajst-17373	7	1	the	the	DET
ajst-17373	7	2	buried	bury	VERB
ajst-17373	7	3	depth	depth	NOUN
ajst-17373	7	4	of	of	ADP
ajst-17373	7	5	the	the	DET
ajst-17373	7	6	52506	52506	NUM
ajst-17373	7	7	fully	fully	ADV
ajst-17373	7	8	mechanized	mechanized	ADJ
ajst-17373	7	9	coal	coal	NOUN
ajst-17373	7	10	mining	mining	NOUN
ajst-17373	7	11	face	face	NOUN
ajst-17373	7	12	in	in	ADP
ajst-17373	7	13	daliuta	daliuta	ADJ
ajst-17373	7	14	coal	coal	NOUN
ajst-17373	7	15	mine	mine	NOUN
ajst-17373	7	16	is	be	AUX
ajst-17373	7	17	about	about	ADP
ajst-17373	7	18	80~200	80~200	NUM
ajst-17373	7	19	m	m	NOUN
ajst-17373	7	20	,	,	PUNCT
ajst-17373	7	21	and	and	CCONJ
ajst-17373	7	22	it	it	PRON
ajst-17373	7	23	is	be	AUX
ajst-17373	7	24	adjacent	adjacent	ADJ
ajst-17373	7	25	to	to	ADP
ajst-17373	7	26	the	the	DET
ajst-17373	7	27	mined	mine	VERB
ajst-17373	7	28	-	-	PUNCT
ajst-17373	7	29	out	out	ADP
ajst-17373	7	30	area	area	NOUN
ajst-17373	7	31	of	of	ADP
ajst-17373	7	32	the	the	DET
ajst-17373	7	33	52505	52505	NUM
ajst-17373	7	34	working	working	NOUN
ajst-17373	7	35	face	face	NOUN
ajst-17373	7	36	,	,	PUNCT
ajst-17373	7	37	located	locate	VERB
ajst-17373	7	38	in	in	ADP
ajst-17373	7	39	the	the	DET
ajst-17373	7	40	co2	co2	NOUN
ajst-17373	7	41	~	~	SYM
ajst-17373	7	42	n2	n2	ADJ
ajst-17373	7	43	gas	gas	NOUN
ajst-17373	7	44	weathering	weathering	NOUN
ajst-17373	7	45	zone	zone	NOUN
ajst-17373	7	46	.	.	PUNCT
ajst-17373	8	1	due	due	ADP
ajst-17373	8	2	to	to	ADP
ajst-17373	8	3	the	the	DET
ajst-17373	8	4	influence	influence	NOUN
ajst-17373	8	5	of	of	ADP
ajst-17373	8	6	geological	geological	ADJ
ajst-17373	8	7	conditions	condition	NOUN
ajst-17373	8	8	,	,	PUNCT
ajst-17373	8	9	coal	coal	NOUN
ajst-17373	8	10	seam	seam	NOUN
ajst-17373	8	11	occurrence	occurrence	NOUN
ajst-17373	8	12	,	,	PUNCT
ajst-17373	8	13	mining	mining	NOUN
ajst-17373	8	14	methods	method	NOUN
ajst-17373	8	15	,	,	PUNCT
ajst-17373	8	16	and	and	CCONJ
ajst-17373	8	17	working	working	NOUN
ajst-17373	8	18	face	face	NOUN
ajst-17373	8	19	layout	layout	NOUN
ajst-17373	8	20	,	,	PUNCT
ajst-17373	8	21	during	during	ADP
ajst-17373	8	22	the	the	DET
ajst-17373	8	23	mining	mining	NOUN
ajst-17373	8	24	activities	activity	NOUN
ajst-17373	8	25	,	,	PUNCT
ajst-17373	8	26	the	the	DET
ajst-17373	8	27	roof	roof	NOUN
ajst-17373	8	28	of	of	ADP
ajst-17373	8	29	the	the	DET
ajst-17373	8	30	mined	mine	VERB
ajst-17373	8	31	-	-	PUNCT
ajst-17373	8	32	out	out	ADP
ajst-17373	8	33	area	area	NOUN
ajst-17373	8	34	falls	fall	VERB
ajst-17373	8	35	down	down	ADV
ajst-17373	8	36	,	,	PUNCT
ajst-17373	8	37	leading	lead	VERB
ajst-17373	8	38	to	to	ADP
ajst-17373	8	39	the	the	DET
ajst-17373	8	40	connection	connection	NOUN
ajst-17373	8	41	of	of	ADP
ajst-17373	8	42	the	the	DET
ajst-17373	8	43	overlying	overlie	VERB
ajst-17373	8	44	mined	mine	VERB
ajst-17373	8	45	-	-	PUNCT
ajst-17373	8	46	out	out	ADP
ajst-17373	8	47	area	area	NOUN
ajst-17373	8	48	and	and	CCONJ
ajst-17373	8	49	the	the	DET
ajst-17373	8	50	formation	formation	NOUN
ajst-17373	8	51	of	of	ADP
ajst-17373	8	52	a	a	DET
ajst-17373	8	53	larger	large	ADJ
ajst-17373	8	54	regional	regional	ADJ
ajst-17373	8	55	complex	complex	ADJ
ajst-17373	8	56	mined	mine	VERB
ajst-17373	8	57	-	-	PUNCT
ajst-17373	8	58	out	out	ADP
ajst-17373	8	59	area	area	NOUN
ajst-17373	8	60	.	.	PUNCT
ajst-17373	9	1	the	the	DET
ajst-17373	9	2	large	large	ADJ
ajst-17373	9	3	-	-	PUNCT
ajst-17373	9	4	area	area	NOUN
ajst-17373	9	5	collapse	collapse	NOUN
ajst-17373	9	6	zone	zone	NOUN
ajst-17373	9	7	causes	cause	VERB
ajst-17373	9	8	a	a	DET
ajst-17373	9	9	large	large	ADJ
ajst-17373	9	10	number	number	NOUN
ajst-17373	9	11	of	of	ADP
ajst-17373	9	12	through	through	ADP
ajst-17373	9	13	cracks	crack	NOUN
ajst-17373	9	14	and	and	CCONJ
ajst-17373	9	15	pores	pore	NOUN
ajst-17373	9	16	to	to	PART
ajst-17373	9	17	form	form	VERB
ajst-17373	9	18	in	in	ADP
ajst-17373	9	19	the	the	DET
ajst-17373	9	20	rock	rock	NOUN
ajst-17373	9	21	strata	strata	NOUN
ajst-17373	9	22	,	,	PUNCT
ajst-17373	9	23	resulting	result	VERB
ajst-17373	9	24	in	in	ADP
ajst-17373	9	25	surface	surface	NOUN
ajst-17373	9	26	and	and	CCONJ
ajst-17373	9	27	interlayer	interlayer	NOUN
ajst-17373	9	28	air	air	NOUN
ajst-17373	9	29	leakage	leakage	PROPN
ajst-17373	9	30	.	.	PUNCT
ajst-17373	10	1	under	under	ADP
ajst-17373	10	2	the	the	DET
ajst-17373	10	3	environment	environment	NOUN
ajst-17373	10	4	of	of	ADP
ajst-17373	10	5	surface	surface	NOUN
ajst-17373	10	6	air	air	NOUN
ajst-17373	10	7	leakage	leakage	PROPN
ajst-17373	10	8	and	and	CCONJ
ajst-17373	10	9	interlayer	interlayer	NOUN
ajst-17373	10	10	air	air	NOUN
ajst-17373	10	11	leakage	leakage	PROPN
ajst-17373	10	12	,	,	PUNCT
ajst-17373	10	13	broken	broken	ADJ
ajst-17373	10	14	coal	coal	NOUN
ajst-17373	10	15	body	body	NOUN
ajst-17373	10	16	gas	gas	NOUN
ajst-17373	10	17	analysis	analysis	NOUN
ajst-17373	10	18	or	or	CCONJ
ajst-17373	10	19	multiple	multiple	ADJ
ajst-17373	10	20	oxidation	oxidation	NOUN
ajst-17373	10	21	occurs	occur	VERB
ajst-17373	10	22	in	in	ADP
ajst-17373	10	23	the	the	DET
ajst-17373	10	24	mined	mine	VERB
ajst-17373	10	25	-	-	PUNCT
ajst-17373	10	26	out	out	ADP
ajst-17373	10	27	area	area	NOUN
ajst-17373	10	28	,	,	PUNCT
ajst-17373	10	29	causing	cause	VERB
ajst-17373	10	30	abnormal	abnormal	ADJ
ajst-17373	10	31	emergence	emergence	NOUN
ajst-17373	10	32	of	of	ADP
ajst-17373	10	33	oxygen	oxygen	NOUN
ajst-17373	10	34	-	-	PUNCT
ajst-17373	10	35	deficient	deficient	ADJ
ajst-17373	10	36	air	air	NOUN
ajst-17373	10	37	in	in	ADP
ajst-17373	10	38	the	the	DET
ajst-17373	10	39	mined	mine	VERB
ajst-17373	10	40	-	-	PUNCT
ajst-17373	10	41	out	out	ADP
ajst-17373	10	42	area	area	NOUN
ajst-17373	10	43	and	and	CCONJ
ajst-17373	10	44	leading	lead	VERB
ajst-17373	10	45	to	to	ADP
ajst-17373	10	46	hypoxia	hypoxia	NOUN
ajst-17373	10	47	phenomenon	phenomenon	NOUN
ajst-17373	10	48	in	in	ADP
ajst-17373	10	49	the	the	DET
ajst-17373	10	50	working	work	VERB
ajst-17373	10	51	face	face	NOUN
ajst-17373	10	52	.	.	PUNCT
ajst-17373	11	1	numerous	numerous	ADJ
ajst-17373	11	2	scholars	scholar	NOUN
ajst-17373	11	3	in	in	ADP
ajst-17373	11	4	china	china	PROPN
ajst-17373	11	5	have	have	AUX
ajst-17373	11	6	conducted	conduct	VERB
ajst-17373	11	7	extensive	extensive	ADJ
ajst-17373	11	8	research	research	NOUN
ajst-17373	11	9	on	on	ADP
ajst-17373	11	10	the	the	DET
ajst-17373	11	11	issue	issue	NOUN
ajst-17373	11	12	of	of	ADP
ajst-17373	11	13	low	low	ADJ
ajst-17373	11	14	oxygen	oxygen	NOUN
ajst-17373	11	15	in	in	ADP
ajst-17373	11	16	coal	coal	NOUN
ajst-17373	11	17	mining	mining	NOUN
ajst-17373	11	18	faces	face	NOUN
ajst-17373	11	19	.	.	PUNCT
ajst-17373	12	1	among	among	ADP
ajst-17373	12	2	them	they	PRON
ajst-17373	12	3	,	,	PUNCT
ajst-17373	12	4	zhang	zhang	PROPN
ajst-17373	12	5	lihui	lihui	PROPN
ajst-17373	13	1	[	[	X
ajst-17373	13	2	1	1	NUM
ajst-17373	13	3	]	]	PUNCT
ajst-17373	13	4	investigated	investigate	VERB
ajst-17373	13	5	the	the	DET
ajst-17373	13	6	causes	cause	NOUN
ajst-17373	13	7	of	of	ADP
ajst-17373	13	8	low	low	ADJ
ajst-17373	13	9	oxygen	oxygen	NOUN
ajst-17373	13	10	in	in	ADP
ajst-17373	13	11	the	the	DET
ajst-17373	13	12	22306	22306	NUM
ajst-17373	13	13	fully	fully	ADV
ajst-17373	13	14	mechanized	mechanized	ADJ
ajst-17373	13	15	mining	mining	NOUN
ajst-17373	13	16	face	face	NOUN
ajst-17373	13	17	of	of	ADP
ajst-17373	13	18	bulianta	bulianta	PROPN
ajst-17373	13	19	coal	coal	NOUN
ajst-17373	13	20	mine	mine	NOUN
ajst-17373	13	21	in	in	ADP
ajst-17373	13	22	the	the	DET
ajst-17373	13	23	shendong	shendong	ADJ
ajst-17373	13	24	mining	mining	NOUN
ajst-17373	13	25	area	area	NOUN
ajst-17373	13	26	during	during	ADP
ajst-17373	13	27	the	the	DET
ajst-17373	13	28	mining	mining	NOUN
ajst-17373	13	29	process	process	NOUN
ajst-17373	13	30	.	.	PUNCT
ajst-17373	14	1	based	base	VERB
ajst-17373	14	2	on	on	ADP
ajst-17373	14	3	the	the	DET
ajst-17373	14	4	measurement	measurement	NOUN
ajst-17373	14	5	results	result	NOUN
ajst-17373	14	6	,	,	PUNCT
ajst-17373	14	7	the	the	DET
ajst-17373	14	8	coal	coal	NOUN
ajst-17373	14	9	mining	mining	NOUN
ajst-17373	14	10	face	face	NOUN
ajst-17373	14	11	was	be	AUX
ajst-17373	14	12	divided	divide	VERB
ajst-17373	14	13	into	into	ADP
ajst-17373	14	14	three	three	NUM
ajst-17373	14	15	areas	area	NOUN
ajst-17373	14	16	:	:	PUNCT
ajst-17373	14	17	low	low	ADJ
ajst-17373	14	18	oxygen	oxygen	NOUN
ajst-17373	14	19	area	area	NOUN
ajst-17373	14	20	in	in	ADP
ajst-17373	14	21	the	the	DET
ajst-17373	14	22	working	work	VERB
ajst-17373	14	23	face	face	NOUN
ajst-17373	14	24	,	,	PUNCT
ajst-17373	14	25	low	low	ADJ
ajst-17373	14	26	oxygen	oxygen	NOUN
ajst-17373	14	27	area	area	NOUN
ajst-17373	14	28	in	in	ADP
ajst-17373	14	29	the	the	DET
ajst-17373	14	30	return	return	NOUN
ajst-17373	14	31	air	air	NOUN
ajst-17373	14	32	corner	corner	NOUN
ajst-17373	14	33	,	,	PUNCT
ajst-17373	14	34	and	and	CCONJ
ajst-17373	14	35	low	low	ADJ
ajst-17373	14	36	oxygen	oxygen	NOUN
ajst-17373	14	37	area	area	NOUN
ajst-17373	14	38	in	in	ADP
ajst-17373	14	39	the	the	DET
ajst-17373	14	40	machine	machine	NOUN
ajst-17373	14	41	lane	lane	NOUN
ajst-17373	14	42	,	,	PUNCT
ajst-17373	14	43	providing	provide	VERB
ajst-17373	14	44	reference	reference	NOUN
ajst-17373	14	45	for	for	ADP
ajst-17373	14	46	the	the	DET
ajst-17373	14	47	treatment	treatment	NOUN
ajst-17373	14	48	of	of	ADP
ajst-17373	14	49	low	low	ADJ
ajst-17373	14	50	oxygen	oxygen	NOUN
ajst-17373	14	51	areas	area	NOUN
ajst-17373	14	52	.	.	PUNCT
ajst-17373	15	1	a	a	DET
ajst-17373	15	2	comprehensive	comprehensive	ADJ
ajst-17373	15	3	analysis	analysis	NOUN
ajst-17373	15	4	is	be	AUX
ajst-17373	15	5	conducted	conduct	VERB
ajst-17373	15	6	on	on	ADP
ajst-17373	15	7	the	the	DET
ajst-17373	15	8	combination	combination	NOUN
ajst-17373	15	9	of	of	ADP
ajst-17373	15	10	gas	gas	NOUN
ajst-17373	15	11	warning	warning	NOUN
ajst-17373	15	12	,	,	PUNCT
ajst-17373	15	13	mining	mining	NOUN
ajst-17373	15	14	methods	method	NOUN
ajst-17373	15	15	,	,	PUNCT
ajst-17373	15	16	and	and	CCONJ
ajst-17373	15	17	ventilation	ventilation	NOUN
ajst-17373	15	18	methods	method	NOUN
ajst-17373	15	19	in	in	ADP
ajst-17373	15	20	goaf	goaf	NOUN
ajst-17373	15	21	to	to	PART
ajst-17373	15	22	obtain	obtain	VERB
ajst-17373	15	23	measures	measure	NOUN
ajst-17373	15	24	for	for	ADP
ajst-17373	15	25	low	low	ADJ
ajst-17373	15	26	oxygen	oxygen	NOUN
ajst-17373	15	27	prevention	prevention	NOUN
ajst-17373	15	28	and	and	CCONJ
ajst-17373	15	29	control	control	NOUN
ajst-17373	16	1	[	[	X
ajst-17373	16	2	2	2	NUM
ajst-17373	16	3	-	-	SYM
ajst-17373	16	4	4	4	NUM
ajst-17373	16	5	]	]	PUNCT
ajst-17373	16	6	,	,	PUNCT
ajst-17373	16	7	which	which	PRON
ajst-17373	16	8	has	have	VERB
ajst-17373	16	9	guiding	guide	VERB
ajst-17373	16	10	significance	significance	NOUN
ajst-17373	16	11	for	for	ADP
ajst-17373	16	12	low	low	ADJ
ajst-17373	16	13	oxygen	oxygen	NOUN
ajst-17373	16	14	prevention	prevention	NOUN
ajst-17373	16	15	and	and	CCONJ
ajst-17373	16	16	control	control	NOUN
ajst-17373	16	17	in	in	ADP
ajst-17373	16	18	goaf	goaf	NOUN
ajst-17373	16	19	.	.	PUNCT
ajst-17373	17	1	therefore	therefore	ADV
ajst-17373	17	2	,	,	PUNCT
ajst-17373	17	3	this	this	DET
ajst-17373	17	4	article	article	NOUN
ajst-17373	17	5	analyzes	analyze	VERB
ajst-17373	17	6	the	the	DET
ajst-17373	17	7	reasons	reason	NOUN
ajst-17373	17	8	for	for	ADP
ajst-17373	17	9	the	the	DET
ajst-17373	17	10	low	low	ADJ
ajst-17373	17	11	oxygen	oxygen	NOUN
ajst-17373	17	12	problem	problem	NOUN
ajst-17373	17	13	in	in	ADP
ajst-17373	17	14	the	the	DET
ajst-17373	17	15	upper	upper	ADJ
ajst-17373	17	16	corner	corner	NOUN
ajst-17373	17	17	of	of	ADP
ajst-17373	17	18	the	the	DET
ajst-17373	17	19	return	return	NOUN
ajst-17373	17	20	air	air	NOUN
ajst-17373	17	21	of	of	ADP
ajst-17373	17	22	the	the	DET
ajst-17373	17	23	52506	52506	NUM
ajst-17373	17	24	fully	fully	ADV
ajst-17373	17	25	mechanized	mechanized	ADJ
ajst-17373	17	26	mining	mining	NOUN
ajst-17373	17	27	face	face	NOUN
ajst-17373	17	28	in	in	ADP
ajst-17373	17	29	daliuta	daliuta	ADJ
ajst-17373	17	30	coal	coal	NOUN
ajst-17373	17	31	mine	mine	NOUN
ajst-17373	17	32	,	,	PUNCT
ajst-17373	17	33	and	and	CCONJ
ajst-17373	17	34	analyzes	analyze	VERB
ajst-17373	17	35	the	the	DET
ajst-17373	17	36	law	law	NOUN
ajst-17373	17	37	of	of	ADP
ajst-17373	17	38	low	low	ADJ
ajst-17373	17	39	oxygen	oxygen	NOUN
ajst-17373	17	40	gas	gas	NOUN
ajst-17373	17	41	emission	emission	NOUN
ajst-17373	17	42	from	from	ADP
ajst-17373	17	43	the	the	DET
ajst-17373	17	44	aspects	aspect	NOUN
ajst-17373	17	45	of	of	ADP
ajst-17373	17	46	temperature	temperature	NOUN
ajst-17373	17	47	,	,	PUNCT
ajst-17373	17	48	atmospheric	atmospheric	ADJ
ajst-17373	17	49	pressure	pressure	NOUN
ajst-17373	17	50	,	,	PUNCT
ajst-17373	17	51	etc	etc	X
ajst-17373	17	52	.	.	X
ajst-17373	18	1	a	a	DET
ajst-17373	18	2	comprehensive	comprehensive	ADJ
ajst-17373	18	3	treatment	treatment	NOUN
ajst-17373	18	4	plan	plan	NOUN
ajst-17373	18	5	has	have	AUX
ajst-17373	18	6	been	be	AUX
ajst-17373	18	7	proposed	propose	VERB
ajst-17373	18	8	,	,	PUNCT
ajst-17373	18	9	including	include	VERB
ajst-17373	18	10	uniform	uniform	ADJ
ajst-17373	18	11	pressure	pressure	NOUN
ajst-17373	18	12	ventilation	ventilation	NOUN
ajst-17373	18	13	and	and	CCONJ
ajst-17373	18	14	extraction	extraction	NOUN
ajst-17373	18	15	technology	technology	NOUN
ajst-17373	18	16	,	,	PUNCT
ajst-17373	18	17	to	to	PART
ajst-17373	18	18	provide	provide	VERB
ajst-17373	18	19	reference	reference	NOUN
ajst-17373	18	20	for	for	ADP
ajst-17373	18	21	the	the	DET
ajst-17373	18	22	low	low	ADJ
ajst-17373	18	23	oxygen	oxygen	NOUN
ajst-17373	18	24	treatment	treatment	NOUN
ajst-17373	18	25	in	in	ADP
ajst-17373	18	26	the	the	DET
ajst-17373	18	27	upper	upper	ADJ
ajst-17373	18	28	corner	corner	NOUN
ajst-17373	18	29	of	of	ADP
ajst-17373	18	30	the	the	DET
ajst-17373	18	31	working	work	VERB
ajst-17373	18	32	face	face	NOUN
ajst-17373	18	33	in	in	ADP
ajst-17373	18	34	the	the	DET
ajst-17373	18	35	shendong	shendong	ADJ
ajst-17373	18	36	mining	mining	NOUN
ajst-17373	18	37	area	area	NOUN
ajst-17373	18	38	.	.	PUNCT
ajst-17373	19	1	2	2	X
ajst-17373	19	2	.	.	X
ajst-17373	19	3	analysis	analysis	NOUN
ajst-17373	19	4	of	of	ADP
ajst-17373	19	5	reasons	reason	NOUN
ajst-17373	19	6	for	for	ADP
ajst-17373	19	7	low	low	ADJ
ajst-17373	19	8	oxygen	oxygen	NOUN
ajst-17373	19	9	in	in	ADP
ajst-17373	19	10	fully	fully	ADV
ajst-17373	19	11	mechanized	mechanized	ADJ
ajst-17373	19	12	mining	mining	NOUN
ajst-17373	19	13	face	face	NOUN
ajst-17373	19	14	the	the	DET
ajst-17373	19	15	52506	52506	NUM
ajst-17373	19	16	fully	fully	ADV
ajst-17373	19	17	mechanized	mechanized	ADJ
ajst-17373	19	18	mining	mining	NOUN
ajst-17373	19	19	face	face	NOUN
ajst-17373	19	20	of	of	ADP
ajst-17373	19	21	daliuta	daliuta	ADJ
ajst-17373	19	22	coal	coal	NOUN
ajst-17373	19	23	mine	mine	NOUN
ajst-17373	19	24	is	be	AUX
ajst-17373	19	25	located	locate	VERB
ajst-17373	19	26	on	on	ADP
ajst-17373	19	27	the	the	DET
ajst-17373	19	28	east	east	ADJ
ajst-17373	19	29	side	side	NOUN
ajst-17373	19	30	of	of	ADP
ajst-17373	19	31	the	the	DET
ajst-17373	19	32	main	main	ADJ
ajst-17373	19	33	roadway	roadway	NOUN
ajst-17373	19	34	in	in	ADP
ajst-17373	19	35	the	the	DET
ajst-17373	19	36	fifth	fifth	ADJ
ajst-17373	19	37	panel	panel	NOUN
ajst-17373	19	38	area	area	NOUN
ajst-17373	19	39	of	of	ADP
ajst-17373	19	40	52	52	NUM
ajst-17373	19	41	coal	coal	NOUN
ajst-17373	19	42	seam	seam	NOUN
ajst-17373	19	43	,	,	PUNCT
ajst-17373	19	44	the	the	DET
ajst-17373	19	45	west	west	ADJ
ajst-17373	19	46	side	side	NOUN
ajst-17373	19	47	of	of	ADP
ajst-17373	19	48	the	the	DET
ajst-17373	19	49	boundary	boundary	NOUN
ajst-17373	19	50	of	of	ADP
ajst-17373	19	51	the	the	DET
ajst-17373	19	52	mine	mine	ADJ
ajst-17373	19	53	field	field	NOUN
ajst-17373	19	54	,	,	PUNCT
ajst-17373	19	55	the	the	DET
ajst-17373	19	56	south	south	ADJ
ajst-17373	19	57	side	side	NOUN
ajst-17373	19	58	is	be	AUX
ajst-17373	19	59	the	the	DET
ajst-17373	19	60	52505	52505	NUM
ajst-17373	19	61	goaf	goaf	NOUN
ajst-17373	19	62	,	,	PUNCT
ajst-17373	19	63	and	and	CCONJ
ajst-17373	19	64	the	the	DET
ajst-17373	19	65	north	north	NOUN
ajst-17373	19	66	side	side	NOUN
ajst-17373	19	67	is	be	AUX
ajst-17373	19	68	the	the	DET
ajst-17373	19	69	52507	52507	NUM
ajst-17373	19	70	design	design	NOUN
ajst-17373	19	71	working	work	VERB
ajst-17373	19	72	face	face	NOUN
ajst-17373	19	73	.	.	PUNCT
ajst-17373	20	1	the	the	DET
ajst-17373	20	2	52506	52506	NUM
ajst-17373	20	3	fully	fully	ADV
ajst-17373	20	4	mechanized	mechanized	ADJ
ajst-17373	20	5	coal	coal	NOUN
ajst-17373	20	6	mining	mining	NOUN
ajst-17373	20	7	face	face	NOUN
ajst-17373	20	8	adopts	adopt	VERB
ajst-17373	20	9	a	a	DET
ajst-17373	20	10	strike	strike	NOUN
ajst-17373	20	11	long	long	ADJ
ajst-17373	20	12	wall	wall	PROPN
ajst-17373	20	13	retreat	retreat	PROPN
ajst-17373	20	14	style	style	NOUN
ajst-17373	20	15	full	full	ADJ
ajst-17373	20	16	height	height	NOUN
ajst-17373	20	17	comprehensive	comprehensive	ADJ
ajst-17373	20	18	mechanized	mechanized	ADJ
ajst-17373	20	19	mining	mining	NOUN
ajst-17373	20	20	method	method	NOUN
ajst-17373	20	21	.	.	PUNCT
ajst-17373	21	1	the	the	DET
ajst-17373	21	2	treatment	treatment	NOUN
ajst-17373	21	3	method	method	NOUN
ajst-17373	21	4	for	for	ADP
ajst-17373	21	5	the	the	DET
ajst-17373	21	6	roof	roof	NOUN
ajst-17373	21	7	of	of	ADP
ajst-17373	21	8	the	the	DET
ajst-17373	21	9	goaf	goaf	NOUN
ajst-17373	21	10	is	be	AUX
ajst-17373	21	11	the	the	DET
ajst-17373	21	12	full	full	ADJ
ajst-17373	21	13	collapse	collapse	NOUN
ajst-17373	21	14	method	method	NOUN
ajst-17373	21	15	.	.	PUNCT
ajst-17373	22	1	the	the	DET
ajst-17373	22	2	working	work	VERB
ajst-17373	22	3	face	face	NOUN
ajst-17373	22	4	has	have	VERB
ajst-17373	22	5	a	a	DET
ajst-17373	22	6	mining	mining	NOUN
ajst-17373	22	7	strike	strike	NOUN
ajst-17373	22	8	length	length	NOUN
ajst-17373	22	9	of	of	ADP
ajst-17373	22	10	3871.8	3871.8	NUM
ajst-17373	22	11	m	m	NOUN
ajst-17373	22	12	,	,	PUNCT
ajst-17373	22	13	a	a	DET
ajst-17373	22	14	inclined	inclined	ADJ
ajst-17373	22	15	layout	layout	NOUN
ajst-17373	22	16	length	length	NOUN
ajst-17373	22	17	of	of	ADP
ajst-17373	22	18	301.0	301.0	NUM
ajst-17373	22	19	m	m	NOUN
ajst-17373	22	20	,	,	PUNCT
ajst-17373	22	21	a	a	DET
ajst-17373	22	22	design	design	NOUN
ajst-17373	22	23	mining	mining	NOUN
ajst-17373	22	24	height	height	NOUN
ajst-17373	22	25	of	of	ADP
ajst-17373	22	26	6.8	6.8	NUM
ajst-17373	22	27	m	m	NOUN
ajst-17373	22	28	,	,	PUNCT
ajst-17373	22	29	a	a	DET
ajst-17373	22	30	geological	geological	ADJ
ajst-17373	22	31	reserve	reserve	NOUN
ajst-17373	22	32	of	of	ADP
ajst-17373	22	33	10.9746mt	10.9746mt	NUM
ajst-17373	22	34	,	,	PUNCT
ajst-17373	22	35	a	a	DET
ajst-17373	22	36	mining	mining	NOUN
ajst-17373	22	37	reserve	reserve	NOUN
ajst-17373	22	38	of	of	ADP
ajst-17373	22	39	10.206mt	10.206mt	NUM
ajst-17373	22	40	,	,	PUNCT
ajst-17373	22	41	and	and	CCONJ
ajst-17373	22	42	a	a	DET
ajst-17373	22	43	recovery	recovery	NOUN
ajst-17373	22	44	rate	rate	NOUN
ajst-17373	22	45	of	of	ADP
ajst-17373	22	46	93	93	NUM
ajst-17373	22	47	%	%	NOUN
ajst-17373	22	48	.	.	PUNCT
ajst-17373	23	1	the	the	DET
ajst-17373	23	2	phenomenon	phenomenon	NOUN
ajst-17373	23	3	of	of	ADP
ajst-17373	23	4	low	low	ADJ
ajst-17373	23	5	oxygen	oxygen	NOUN
ajst-17373	23	6	in	in	ADP
ajst-17373	23	7	the	the	DET
ajst-17373	23	8	upper	upper	ADJ
ajst-17373	23	9	corner	corner	NOUN
ajst-17373	23	10	of	of	ADP
ajst-17373	23	11	the	the	DET
ajst-17373	23	12	return	return	NOUN
ajst-17373	23	13	air	air	NOUN
ajst-17373	23	14	of	of	ADP
ajst-17373	23	15	the	the	DET
ajst-17373	23	16	52506	52506	NUM
ajst-17373	23	17	working	working	NOUN
ajst-17373	23	18	face	face	NOUN
ajst-17373	23	19	is	be	AUX
ajst-17373	23	20	the	the	DET
ajst-17373	23	21	result	result	NOUN
ajst-17373	23	22	of	of	ADP
ajst-17373	23	23	multiple	multiple	ADJ
ajst-17373	23	24	factors	factor	NOUN
ajst-17373	23	25	working	work	VERB
ajst-17373	23	26	together	together	ADV
ajst-17373	23	27	,	,	PUNCT
ajst-17373	23	28	mainly	mainly	ADV
ajst-17373	23	29	including	include	VERB
ajst-17373	23	30	coal	coal	NOUN
ajst-17373	23	31	seam	seam	NOUN
ajst-17373	23	32	occurrence	occurrence	NOUN
ajst-17373	23	33	,	,	PUNCT
ajst-17373	23	34	spontaneous	spontaneous	ADJ
ajst-17373	23	35	combustion	combustion	NOUN
ajst-17373	23	36	characteristics	characteristic	NOUN
ajst-17373	23	37	,	,	PUNCT
ajst-17373	23	38	climatic	climatic	ADJ
ajst-17373	23	39	conditions	condition	NOUN
ajst-17373	23	40	,	,	PUNCT
ajst-17373	23	41	goaf	goaf	PROPN
ajst-17373	23	42	air	air	NOUN
ajst-17373	23	43	leakage	leakage	PROPN
ajst-17373	23	44	,	,	PUNCT
ajst-17373	23	45	working	work	VERB
ajst-17373	23	46	face	face	NOUN
ajst-17373	23	47	layout	layout	NOUN
ajst-17373	23	48	,	,	PUNCT
ajst-17373	23	49	ventilation	ventilation	NOUN
ajst-17373	23	50	system	system	NOUN
ajst-17373	23	51	,	,	PUNCT
ajst-17373	23	52	and	and	CCONJ
ajst-17373	23	53	working	work	VERB
ajst-17373	23	54	face	face	NOUN
ajst-17373	23	55	footage	footage	NOUN
ajst-17373	23	56	[	[	X
ajst-17373	23	57	5	5	NUM
ajst-17373	23	58	-	-	SYM
ajst-17373	23	59	10	10	NUM
ajst-17373	23	60	]	]	PUNCT
ajst-17373	23	61	.	.	PUNCT
ajst-17373	24	1	based	base	VERB
ajst-17373	24	2	on	on	ADP
ajst-17373	24	3	the	the	DET
ajst-17373	24	4	above	above	ADJ
ajst-17373	24	5	factors	factor	NOUN
ajst-17373	24	6	,	,	PUNCT
ajst-17373	24	7	this	this	DET
ajst-17373	24	8	paper	paper	NOUN
ajst-17373	24	9	analyzes	analyze	VERB
ajst-17373	24	10	and	and	CCONJ
ajst-17373	24	11	studies	study	NOUN
ajst-17373	24	12	the	the	DET
ajst-17373	24	13	reasons	reason	NOUN
ajst-17373	24	14	for	for	ADP
ajst-17373	24	15	the	the	DET
ajst-17373	24	16	low	low	ADJ
ajst-17373	24	17	oxygen	oxygen	NOUN
ajst-17373	24	18	phenomenon	phenomenon	NOUN
ajst-17373	24	19	in	in	ADP
ajst-17373	24	20	the	the	DET
ajst-17373	24	21	52506	52506	NUM
ajst-17373	24	22	fully	fully	ADV
ajst-17373	24	23	mechanized	mechanized	ADJ
ajst-17373	24	24	working	working	NOUN
ajst-17373	24	25	face	face	NOUN
ajst-17373	24	26	of	of	ADP
ajst-17373	24	27	daliuta	daliuta	ADJ
ajst-17373	24	28	coal	coal	NOUN
ajst-17373	24	29	mine	mine	NOUN
ajst-17373	24	30	.	.	PUNCT
ajst-17373	25	1	by	by	ADP
ajst-17373	25	2	conducting	conduct	VERB
ajst-17373	25	3	bundle	bundle	NOUN
ajst-17373	25	4	tube	tube	NOUN
ajst-17373	25	5	sampling	sample	VERB
ajst-17373	25	6	analysis	analysis	NOUN
ajst-17373	25	7	on	on	ADP
ajst-17373	25	8	the	the	DET
ajst-17373	25	9	upper	upper	ADJ
ajst-17373	25	10	corner	corner	NOUN
ajst-17373	25	11	of	of	ADP
ajst-17373	25	12	the	the	DET
ajst-17373	25	13	return	return	NOUN
ajst-17373	25	14	air	air	NOUN
ajst-17373	25	15	and	and	CCONJ
ajst-17373	25	16	the	the	DET
ajst-17373	25	17	gas	gas	NOUN
ajst-17373	25	18	in	in	ADP
ajst-17373	25	19	the	the	DET
ajst-17373	25	20	goaf	goaf	NOUN
ajst-17373	25	21	of	of	ADP
ajst-17373	25	22	the	the	DET
ajst-17373	25	23	52506	52506	NUM
ajst-17373	25	24	fully	fully	ADV
ajst-17373	25	25	mechanized	mechanized	ADJ
ajst-17373	25	26	mining	mining	NOUN
ajst-17373	25	27	face	face	NOUN
ajst-17373	25	28	,	,	PUNCT
ajst-17373	25	29	the	the	DET
ajst-17373	25	30	sampling	sampling	NOUN
ajst-17373	25	31	points	point	NOUN
ajst-17373	25	32	are	be	AUX
ajst-17373	25	33	arranged	arrange	VERB
ajst-17373	25	34	as	as	SCONJ
ajst-17373	25	35	shown	show	VERB
ajst-17373	25	36	in	in	ADP
ajst-17373	25	37	figure	figure	NOUN
ajst-17373	25	38	1	1	NUM
ajst-17373	25	39	.	.	PUNCT
ajst-17373	26	1	the	the	DET
ajst-17373	26	2	main	main	ADJ
ajst-17373	26	3	components	component	NOUN
ajst-17373	26	4	of	of	ADP
ajst-17373	26	5	low	low	ADJ
ajst-17373	26	6	oxygen	oxygen	NOUN
ajst-17373	26	7	gases	gas	NOUN
ajst-17373	26	8	were	be	AUX
ajst-17373	26	9	analyzed	analyze	VERB
ajst-17373	26	10	using	use	VERB
ajst-17373	26	11	a	a	DET
ajst-17373	26	12	gas	gas	NOUN
ajst-17373	26	13	chromatograph	chromatograph	NOUN
ajst-17373	26	14	,	,	PUNCT
ajst-17373	26	15	and	and	CCONJ
ajst-17373	26	16	the	the	DET
ajst-17373	26	17	results	result	NOUN
ajst-17373	26	18	are	be	AUX
ajst-17373	26	19	shown	show	VERB
ajst-17373	26	20	in	in	ADP
ajst-17373	26	21	table	table	NOUN
ajst-17373	26	22	1	1	NUM
ajst-17373	26	23	.	.	PUNCT
ajst-17373	27	1	based	base	VERB
ajst-17373	27	2	on	on	ADP
ajst-17373	27	3	the	the	DET
ajst-17373	27	4	analysis	analysis	NOUN
ajst-17373	27	5	of	of	ADP
ajst-17373	27	6	on	on	ADP
ajst-17373	27	7	-	-	PUNCT
ajst-17373	27	8	site	site	NOUN
ajst-17373	27	9	measured	measure	VERB
ajst-17373	27	10	data	datum	NOUN
ajst-17373	27	11	,	,	PUNCT
ajst-17373	27	12	it	it	PRON
ajst-17373	27	13	is	be	AUX
ajst-17373	27	14	determined	determine	VERB
ajst-17373	27	15	that	that	SCONJ
ajst-17373	27	16	the	the	DET
ajst-17373	27	17	occurrence	occurrence	NOUN
ajst-17373	27	18	of	of	ADP
ajst-17373	27	19	low	low	ADJ
ajst-17373	27	20	oxygen	oxygen	NOUN
ajst-17373	27	21	in	in	ADP
ajst-17373	27	22	the	the	DET
ajst-17373	27	23	52506	52506	NUM
ajst-17373	27	24	fully	fully	ADV
ajst-17373	27	25	mechanized	mechanized	ADJ
ajst-17373	27	26	mining	mining	NOUN
ajst-17373	27	27	face	face	NOUN
ajst-17373	27	28	is	be	AUX
ajst-17373	27	29	mainly	mainly	ADV
ajst-17373	27	30	due	due	ADJ
ajst-17373	27	31	to	to	ADP
ajst-17373	27	32	the	the	DET
ajst-17373	27	33	high	high	ADJ
ajst-17373	27	34	concentration	concentration	NOUN
ajst-17373	27	35	of	of	ADP
ajst-17373	27	36	n2	n2	NOUN
ajst-17373	27	37	.	.	PUNCT
ajst-17373	28	1	10	10	NUM
ajst-17373	28	2	figure	figure	NOUN
ajst-17373	28	3	1	1	NUM
ajst-17373	28	4	.	.	PUNCT
ajst-17373	28	5	layout	layout	NOUN
ajst-17373	28	6	of	of	ADP
ajst-17373	28	7	sampling	sample	VERB
ajst-17373	28	8	points	point	NOUN
ajst-17373	28	9	for	for	ADP
ajst-17373	28	10	the	the	DET
ajst-17373	28	11	upper	upper	ADJ
ajst-17373	28	12	corner	corner	NOUN
ajst-17373	28	13	of	of	ADP
ajst-17373	28	14	the	the	DET
ajst-17373	28	15	return	return	NOUN
ajst-17373	28	16	air	air	NOUN
ajst-17373	28	17	and	and	CCONJ
ajst-17373	28	18	goaf	goaf	NOUN
ajst-17373	28	19	in	in	ADP
ajst-17373	28	20	the	the	DET
ajst-17373	28	21	52506	52506	NUM
ajst-17373	28	22	fully	fully	ADV
ajst-17373	28	23	mechanized	mechanized	ADJ
ajst-17373	28	24	mining	mining	NOUN
ajst-17373	28	25	face	face	NOUN
ajst-17373	28	26	table	table	NOUN
ajst-17373	28	27	1	1	NUM
ajst-17373	28	28	.	.	PUNCT
ajst-17373	28	29	gas	gas	NOUN
ajst-17373	28	30	volume	volume	NOUN
ajst-17373	28	31	fraction	fraction	NOUN
ajst-17373	28	32	detected	detect	VERB
ajst-17373	28	33	at	at	ADP
ajst-17373	28	34	the	the	DET
ajst-17373	28	35	upper	upper	ADJ
ajst-17373	28	36	corner	corner	NOUN
ajst-17373	28	37	of	of	ADP
ajst-17373	28	38	the	the	DET
ajst-17373	28	39	return	return	NOUN
ajst-17373	28	40	air	air	NOUN
ajst-17373	28	41	and	and	CCONJ
ajst-17373	28	42	goaf	goaf	NOUN
ajst-17373	28	43	of	of	ADP
ajst-17373	28	44	the	the	DET
ajst-17373	28	45	52506	52506	NUM
ajst-17373	28	46	fully	fully	ADV
ajst-17373	28	47	mechanized	mechanized	ADJ
ajst-17373	28	48	mining	mining	NOUN
ajst-17373	28	49	face	face	NOUN
ajst-17373	28	50	number	number	NOUN
ajst-17373	28	51	sampling	sample	VERB
ajst-17373	28	52	location	location	NOUN
ajst-17373	28	53	o2/%	o2/%	PROPN
ajst-17373	28	54	n2/%	n2/%	PROPN
ajst-17373	28	55	co/%	co/%	PROPN
ajst-17373	28	56	co2/%	co2/%	NOUN
ajst-17373	28	57	ch4/%	ch4/%	PROPN
ajst-17373	28	58	total/%	total/%	ADP
ajst-17373	28	59	1	1	NUM
ajst-17373	28	60	#	#	NOUN
ajst-17373	28	61	upper	upper	ADJ
ajst-17373	28	62	corner	corner	NOUN
ajst-17373	28	63	16.895	16.895	NUM
ajst-17373	28	64	82.795	82.795	NUM
ajst-17373	28	65	0.0048	0.0048	NUM
ajst-17373	28	66	0.2922	0.2922	NUM
ajst-17373	28	67	0.013	0.013	NUM
ajst-17373	28	68	100	100	NUM
ajst-17373	28	69	2	2	NUM
ajst-17373	28	70	#	#	NOUN
ajst-17373	28	71	mined	mine	VERB
ajst-17373	28	72	out	out	ADP
ajst-17373	28	73	area	area	NOUN
ajst-17373	28	74	(	(	PUNCT
ajst-17373	28	75	30	30	NUM
ajst-17373	28	76	m	m	NOUN
ajst-17373	28	77	)	)	PUNCT
ajst-17373	28	78	16.435	16.435	NUM
ajst-17373	28	79	83.2201	83.2201	NUM
ajst-17373	29	1	0.0068	0.0068	NUM
ajst-17373	29	2	0.3381	0.3381	NUM
ajst-17373	29	3	0	0	NUM
ajst-17373	29	4	100	100	NUM
ajst-17373	29	5	3	3	NUM
ajst-17373	29	6	#	#	NOUN
ajst-17373	29	7	mined	mine	VERB
ajst-17373	29	8	out	out	ADP
ajst-17373	29	9	area	area	NOUN
ajst-17373	29	10	(	(	PUNCT
ajst-17373	29	11	220	220	NUM
ajst-17373	29	12	m	m	NOUN
ajst-17373	29	13	)	)	PUNCT
ajst-17373	29	14	8.1254	8.1254	NUM
ajst-17373	29	15	91.202	91.202	NUM
ajst-17373	29	16	0.0049	0.0049	NUM
ajst-17373	29	17	0.6028	0.6028	NUM
ajst-17373	29	18	0.0649	0.0649	NUM
ajst-17373	29	19	100	100	NUM
ajst-17373	29	20	4	4	NUM
ajst-17373	29	21	#	#	NOUN
ajst-17373	29	22	mined	mine	VERB
ajst-17373	29	23	out	out	ADP
ajst-17373	29	24	area	area	NOUN
ajst-17373	29	25	(	(	PUNCT
ajst-17373	29	26	500	500	NUM
ajst-17373	29	27	m	m	NOUN
ajst-17373	29	28	)	)	PUNCT
ajst-17373	29	29	2.9568	2.9568	NUM
ajst-17373	29	30	95.543	95.543	NUM
ajst-17373	29	31	0.00089	0.00089	NUM
ajst-17373	29	32	1.3896	1.3896	NUM
ajst-17373	29	33	0.10971	0.10971	NUM
ajst-17373	29	34	100	100	NUM
ajst-17373	29	35	5	5	NUM
ajst-17373	29	36	#	#	NOUN
ajst-17373	29	37	auxiliary	auxiliary	ADJ
ajst-17373	29	38	transportation	transportation	NOUN
ajst-17373	29	39	63	63	NUM
ajst-17373	29	40	connecting	connect	VERB
ajst-17373	29	41	alley	alley	NOUN
ajst-17373	29	42	in	in	ADP
ajst-17373	29	43	goaf	goaf	PROPN
ajst-17373	29	44	9.9832	9.9832	NUM
ajst-17373	29	45	89.158	89.158	NUM
ajst-17373	29	46	0	0	NUM
ajst-17373	29	47	%	%	NOUN
ajst-17373	29	48	0.7842	0.7842	NUM
ajst-17373	29	49	0.0746	0.0746	NUM
ajst-17373	29	50	100	100	NUM
ajst-17373	29	51	6	6	NUM
ajst-17373	29	52	#	#	NOUN
ajst-17373	29	53	auxiliary	auxiliary	ADJ
ajst-17373	29	54	transportation	transportation	NOUN
ajst-17373	29	55	65	65	NUM
ajst-17373	29	56	connecting	connect	VERB
ajst-17373	29	57	alley	alley	NOUN
ajst-17373	29	58	in	in	ADP
ajst-17373	29	59	goaf	goaf	PROPN
ajst-17373	29	60	3.6945	3.6945	NUM
ajst-17373	29	61	93.689	93.689	NUM
ajst-17373	29	62	0	0	NUM
ajst-17373	29	63	%	%	NOUN
ajst-17373	29	64	1.7981	1.7981	NUM
ajst-17373	29	65	0.8184	0.8184	NUM
ajst-17373	29	66	100	100	NUM
ajst-17373	29	67	2.1	2.1	NUM
ajst-17373	29	68	.	.	PUNCT
ajst-17373	30	1	relationship	relationship	NOUN
ajst-17373	30	2	between	between	ADP
ajst-17373	30	3	oxygen	oxygen	NOUN
ajst-17373	30	4	volume	volume	NOUN
ajst-17373	30	5	fraction	fraction	NOUN
ajst-17373	30	6	at	at	ADP
ajst-17373	30	7	the	the	DET
ajst-17373	30	8	upper	upper	ADJ
ajst-17373	30	9	corner	corner	NOUN
ajst-17373	30	10	of	of	ADP
ajst-17373	30	11	the	the	DET
ajst-17373	30	12	return	return	NOUN
ajst-17373	30	13	air	air	NOUN
ajst-17373	30	14	and	and	CCONJ
ajst-17373	30	15	temperature	temperature	NOUN
ajst-17373	30	16	and	and	CCONJ
ajst-17373	30	17	pressure	pressure	NOUN
ajst-17373	30	18	by	by	ADP
ajst-17373	30	19	analyzing	analyze	VERB
ajst-17373	30	20	the	the	DET
ajst-17373	30	21	changes	change	NOUN
ajst-17373	30	22	in	in	ADP
ajst-17373	30	23	oxygen	oxygen	NOUN
ajst-17373	30	24	volume	volume	NOUN
ajst-17373	30	25	fraction	fraction	NOUN
ajst-17373	30	26	data	datum	NOUN
ajst-17373	30	27	at	at	ADP
ajst-17373	30	28	the	the	DET
ajst-17373	30	29	upper	upper	ADJ
ajst-17373	30	30	corner	corner	NOUN
ajst-17373	30	31	of	of	ADP
ajst-17373	30	32	the	the	DET
ajst-17373	30	33	return	return	NOUN
ajst-17373	30	34	air	air	NOUN
ajst-17373	30	35	of	of	ADP
ajst-17373	30	36	the	the	DET
ajst-17373	30	37	52506	52506	NUM
ajst-17373	30	38	fully	fully	ADV
ajst-17373	30	39	mechanized	mechanized	ADJ
ajst-17373	30	40	mining	mining	NOUN
ajst-17373	30	41	face	face	NOUN
ajst-17373	30	42	,	,	PUNCT
ajst-17373	30	43	the	the	DET
ajst-17373	30	44	relationship	relationship	NOUN
ajst-17373	30	45	between	between	ADP
ajst-17373	30	46	oxygen	oxygen	NOUN
ajst-17373	30	47	volume	volume	NOUN
ajst-17373	30	48	fraction	fraction	NOUN
ajst-17373	30	49	and	and	CCONJ
ajst-17373	30	50	temperature	temperature	NOUN
ajst-17373	30	51	and	and	CCONJ
ajst-17373	30	52	atmospheric	atmospheric	ADJ
ajst-17373	30	53	pressure	pressure	NOUN
ajst-17373	30	54	was	be	AUX
ajst-17373	30	55	analyzed	analyze	VERB
ajst-17373	30	56	.	.	PUNCT
ajst-17373	31	1	the	the	DET
ajst-17373	31	2	law	law	NOUN
ajst-17373	31	3	of	of	ADP
ajst-17373	31	4	the	the	DET
ajst-17373	31	5	temperature	temperature	NOUN
ajst-17373	31	6	and	and	CCONJ
ajst-17373	31	7	atmospheric	atmospheric	ADJ
ajst-17373	31	8	pressure	pressure	NOUN
ajst-17373	31	9	at	at	ADP
ajst-17373	31	10	the	the	DET
ajst-17373	31	11	upper	upper	ADJ
ajst-17373	31	12	corner	corner	NOUN
ajst-17373	31	13	of	of	ADP
ajst-17373	31	14	the	the	DET
ajst-17373	31	15	return	return	NOUN
ajst-17373	31	16	air	air	NOUN
ajst-17373	31	17	of	of	ADP
ajst-17373	31	18	the	the	DET
ajst-17373	31	19	52506	52506	NUM
ajst-17373	31	20	fully	fully	ADV
ajst-17373	31	21	mechanized	mechanized	ADJ
ajst-17373	31	22	mining	mining	NOUN
ajst-17373	31	23	face	face	NOUN
ajst-17373	31	24	on	on	ADP
ajst-17373	31	25	the	the	DET
ajst-17373	31	26	emission	emission	NOUN
ajst-17373	31	27	of	of	ADP
ajst-17373	31	28	low	low	ADJ
ajst-17373	31	29	oxygen	oxygen	NOUN
ajst-17373	31	30	gas	gas	NOUN
ajst-17373	31	31	in	in	ADP
ajst-17373	31	32	the	the	DET
ajst-17373	31	33	goaf	goaf	NOUN
ajst-17373	31	34	was	be	AUX
ajst-17373	31	35	obtained	obtain	VERB
ajst-17373	31	36	,	,	PUNCT
ajst-17373	31	37	as	as	SCONJ
ajst-17373	31	38	shown	show	VERB
ajst-17373	31	39	in	in	ADP
ajst-17373	31	40	figure	figure	NOUN
ajst-17373	31	41	2	2	NUM
ajst-17373	31	42	.	.	PUNCT
ajst-17373	31	43	figure	figure	NOUN
ajst-17373	32	1	2	2	NUM
ajst-17373	32	2	.	.	PUNCT
ajst-17373	32	3	changes	change	NOUN
ajst-17373	32	4	in	in	ADP
ajst-17373	32	5	oxygen	oxygen	NOUN
ajst-17373	32	6	concentration	concentration	NOUN
ajst-17373	32	7	at	at	ADP
ajst-17373	32	8	the	the	DET
ajst-17373	32	9	upper	upper	ADJ
ajst-17373	32	10	corner	corner	NOUN
ajst-17373	32	11	of	of	ADP
ajst-17373	32	12	the	the	DET
ajst-17373	32	13	return	return	NOUN
ajst-17373	32	14	air	air	NOUN
ajst-17373	32	15	in	in	ADP
ajst-17373	32	16	the	the	DET
ajst-17373	32	17	52506	52506	NUM
ajst-17373	32	18	fully	fully	ADV
ajst-17373	32	19	mechanized	mechanized	ADJ
ajst-17373	32	20	mining	mining	NOUN
ajst-17373	32	21	face	face	NOUN
ajst-17373	32	22	according	accord	VERB
ajst-17373	32	23	to	to	ADP
ajst-17373	32	24	the	the	DET
ajst-17373	32	25	analysis	analysis	NOUN
ajst-17373	32	26	in	in	ADP
ajst-17373	32	27	figure	figure	NOUN
ajst-17373	32	28	2	2	NUM
ajst-17373	32	29	,	,	PUNCT
ajst-17373	32	30	it	it	PRON
ajst-17373	32	31	can	can	AUX
ajst-17373	32	32	be	be	AUX
ajst-17373	32	33	seen	see	VERB
ajst-17373	32	34	that	that	SCONJ
ajst-17373	32	35	from	from	ADP
ajst-17373	32	36	0:00	0:00	NUM
ajst-17373	32	37	to	to	ADP
ajst-17373	32	38	12:00	12:00	NUM
ajst-17373	32	39	,	,	PUNCT
ajst-17373	32	40	the	the	DET
ajst-17373	32	41	range	range	NOUN
ajst-17373	32	42	of	of	ADP
ajst-17373	32	43	oxygen	oxygen	NOUN
ajst-17373	32	44	volume	volume	NOUN
ajst-17373	32	45	fraction	fraction	NOUN
ajst-17373	32	46	changes	change	NOUN
ajst-17373	32	47	is	be	AUX
ajst-17373	32	48	17	17	NUM
ajst-17373	32	49	%	%	NOUN
ajst-17373	32	50	to	to	ADP
ajst-17373	32	51	18.5	18.5	NUM
ajst-17373	32	52	%	%	NOUN
ajst-17373	32	53	,	,	PUNCT
ajst-17373	32	54	showing	show	VERB
ajst-17373	32	55	an	an	DET
ajst-17373	32	56	overall	overall	ADJ
ajst-17373	32	57	downward	downward	ADJ
ajst-17373	32	58	trend	trend	NOUN
ajst-17373	32	59	.	.	PUNCT
ajst-17373	33	1	during	during	ADP
ajst-17373	33	2	this	this	DET
ajst-17373	33	3	period	period	NOUN
ajst-17373	33	4	,	,	PUNCT
ajst-17373	33	5	atmospheric	atmospheric	ADJ
ajst-17373	33	6	pressure	pressure	NOUN
ajst-17373	33	7	shows	show	VERB
ajst-17373	33	8	a	a	DET
ajst-17373	33	9	first	first	ADJ
ajst-17373	33	10	decrease	decrease	NOUN
ajst-17373	33	11	and	and	CCONJ
ajst-17373	33	12	then	then	ADV
ajst-17373	33	13	an	an	DET
ajst-17373	33	14	increase	increase	NOUN
ajst-17373	33	15	trend	trend	NOUN
ajst-17373	33	16	,	,	PUNCT
ajst-17373	33	17	and	and	CCONJ
ajst-17373	33	18	the	the	DET
ajst-17373	33	19	temperature	temperature	NOUN
ajst-17373	33	20	first	first	ADJ
ajst-17373	33	21	decreases	decrease	NOUN
ajst-17373	33	22	and	and	CCONJ
ajst-17373	33	23	then	then	ADV
ajst-17373	33	24	increases	increase	VERB
ajst-17373	33	25	.	.	PUNCT
ajst-17373	34	1	from	from	ADP
ajst-17373	34	2	12	12	NUM
ajst-17373	34	3	:	:	SYM
ajst-17373	34	4	00	00	NUM
ajst-17373	34	5	to	to	ADP
ajst-17373	34	6	16:00	16:00	NUM
ajst-17373	34	7	,	,	PUNCT
ajst-17373	34	8	the	the	DET
ajst-17373	34	9	oxygen	oxygen	NOUN
ajst-17373	34	10	volume	volume	NOUN
ajst-17373	34	11	fraction	fraction	NOUN
ajst-17373	34	12	gradually	gradually	ADV
ajst-17373	34	13	decreases	decrease	VERB
ajst-17373	34	14	and	and	CCONJ
ajst-17373	34	15	a	a	DET
ajst-17373	34	16	phenomenon	phenomenon	NOUN
ajst-17373	34	17	of	of	ADP
ajst-17373	34	18	low	low	ADJ
ajst-17373	34	19	oxygen	oxygen	NOUN
ajst-17373	34	20	occurs	occur	NOUN
ajst-17373	34	21	,	,	PUNCT
ajst-17373	34	22	with	with	ADP
ajst-17373	34	23	the	the	DET
ajst-17373	34	24	lowest	low	ADJ
ajst-17373	34	25	oxygen	oxygen	NOUN
ajst-17373	34	26	volume	volume	NOUN
ajst-17373	34	27	fraction	fraction	NOUN
ajst-17373	34	28	reaching	reach	VERB
ajst-17373	34	29	16.4	16.4	NUM
ajst-17373	34	30	%	%	NOUN
ajst-17373	34	31	.	.	PUNCT
ajst-17373	35	1	at	at	ADP
ajst-17373	35	2	this	this	DET
ajst-17373	35	3	stage	stage	NOUN
ajst-17373	35	4	,	,	PUNCT
ajst-17373	35	5	the	the	DET
ajst-17373	35	6	atmospheric	atmospheric	ADJ
ajst-17373	35	7	pressure	pressure	NOUN
ajst-17373	35	8	decreases	decrease	VERB
ajst-17373	35	9	by	by	ADP
ajst-17373	35	10	200pa	200pa	NOUN
ajst-17373	35	11	and	and	CCONJ
ajst-17373	35	12	the	the	DET
ajst-17373	35	13	temperature	temperature	NOUN
ajst-17373	35	14	11	11	NUM
ajst-17373	35	15	shows	show	VERB
ajst-17373	35	16	an	an	DET
ajst-17373	35	17	upward	upward	ADJ
ajst-17373	35	18	trend	trend	NOUN
ajst-17373	35	19	.	.	PUNCT
ajst-17373	36	1	from	from	ADP
ajst-17373	36	2	17	17	NUM
ajst-17373	36	3	:	:	SYM
ajst-17373	36	4	00	00	NUM
ajst-17373	36	5	to	to	ADP
ajst-17373	36	6	24:00	24:00	NUM
ajst-17373	36	7	,	,	PUNCT
ajst-17373	36	8	the	the	DET
ajst-17373	36	9	oxygen	oxygen	NOUN
ajst-17373	36	10	volume	volume	NOUN
ajst-17373	36	11	fraction	fraction	NOUN
ajst-17373	36	12	gradually	gradually	ADV
ajst-17373	36	13	increases	increase	VERB
ajst-17373	36	14	,	,	PUNCT
ajst-17373	36	15	with	with	ADP
ajst-17373	36	16	a	a	DET
ajst-17373	36	17	range	range	NOUN
ajst-17373	36	18	of	of	ADP
ajst-17373	36	19	16.8	16.8	NUM
ajst-17373	36	20	%	%	NOUN
ajst-17373	36	21	to	to	PART
ajst-17373	36	22	18	18	NUM
ajst-17373	36	23	6	6	NUM
ajst-17373	36	24	%	%	NOUN
ajst-17373	36	25	.	.	PUNCT
ajst-17373	37	1	during	during	ADP
ajst-17373	37	2	this	this	DET
ajst-17373	37	3	period	period	NOUN
ajst-17373	37	4	,	,	PUNCT
ajst-17373	37	5	the	the	DET
ajst-17373	37	6	temperature	temperature	NOUN
ajst-17373	37	7	and	and	CCONJ
ajst-17373	37	8	atmospheric	atmospheric	ADJ
ajst-17373	37	9	pressure	pressure	NOUN
ajst-17373	37	10	showed	show	VERB
ajst-17373	37	11	an	an	DET
ajst-17373	37	12	overall	overall	ADJ
ajst-17373	37	13	upward	upward	ADJ
ajst-17373	37	14	trend	trend	NOUN
ajst-17373	37	15	.	.	PUNCT
ajst-17373	38	1	based	base	VERB
ajst-17373	38	2	on	on	ADP
ajst-17373	38	3	the	the	DET
ajst-17373	38	4	actual	actual	ADJ
ajst-17373	38	5	situation	situation	NOUN
ajst-17373	38	6	underground	underground	ADV
ajst-17373	38	7	in	in	ADP
ajst-17373	38	8	daliuta	daliuta	ADJ
ajst-17373	38	9	coal	coal	NOUN
ajst-17373	38	10	mine	mine	NOUN
ajst-17373	38	11	and	and	CCONJ
ajst-17373	38	12	the	the	DET
ajst-17373	38	13	data	datum	NOUN
ajst-17373	38	14	analysis	analysis	NOUN
ajst-17373	38	15	in	in	ADP
ajst-17373	38	16	figure	figure	NOUN
ajst-17373	38	17	2	2	NUM
ajst-17373	38	18	,	,	PUNCT
ajst-17373	38	19	the	the	DET
ajst-17373	38	20	environmental	environmental	ADJ
ajst-17373	38	21	temperature	temperature	NOUN
ajst-17373	38	22	,	,	PUNCT
ajst-17373	38	23	atmospheric	atmospheric	ADJ
ajst-17373	38	24	pressure	pressure	NOUN
ajst-17373	38	25	,	,	PUNCT
ajst-17373	38	26	and	and	CCONJ
ajst-17373	38	27	low	low	ADJ
ajst-17373	38	28	oxygen	oxygen	NOUN
ajst-17373	38	29	gas	gas	NOUN
ajst-17373	38	30	emission	emission	NOUN
ajst-17373	38	31	law	law	NOUN
ajst-17373	38	32	of	of	ADP
ajst-17373	38	33	52506	52506	NUM
ajst-17373	38	34	fully	fully	ADV
ajst-17373	38	35	mechanized	mechanized	ADJ
ajst-17373	38	36	mining	mining	NOUN
ajst-17373	38	37	face	face	NOUN
ajst-17373	38	38	are	be	AUX
ajst-17373	38	39	obtained	obtain	VERB
ajst-17373	38	40	.	.	PUNCT
ajst-17373	39	1	an	an	DET
ajst-17373	39	2	increase	increase	NOUN
ajst-17373	39	3	in	in	ADP
ajst-17373	39	4	ambient	ambient	ADJ
ajst-17373	39	5	temperature	temperature	NOUN
ajst-17373	39	6	over	over	ADP
ajst-17373	39	7	a	a	DET
ajst-17373	39	8	period	period	NOUN
ajst-17373	39	9	of	of	ADP
ajst-17373	39	10	time	time	NOUN
ajst-17373	39	11	can	can	AUX
ajst-17373	39	12	lead	lead	VERB
ajst-17373	39	13	to	to	ADP
ajst-17373	39	14	a	a	DET
ajst-17373	39	15	decrease	decrease	NOUN
ajst-17373	39	16	in	in	ADP
ajst-17373	39	17	atmospheric	atmospheric	ADJ
ajst-17373	39	18	pressure	pressure	NOUN
ajst-17373	39	19	.	.	PUNCT
ajst-17373	40	1	due	due	ADP
ajst-17373	40	2	to	to	ADP
ajst-17373	40	3	the	the	DET
ajst-17373	40	4	correlation	correlation	NOUN
ajst-17373	40	5	between	between	ADP
ajst-17373	40	6	the	the	DET
ajst-17373	40	7	air	air	NOUN
ajst-17373	40	8	supply	supply	NOUN
ajst-17373	40	9	of	of	ADP
ajst-17373	40	10	the	the	DET
ajst-17373	40	11	52506	52506	NUM
ajst-17373	40	12	fully	fully	ADV
ajst-17373	40	13	mechanized	mechanized	ADJ
ajst-17373	40	14	mining	mining	NOUN
ajst-17373	40	15	face	face	NOUN
ajst-17373	40	16	and	and	CCONJ
ajst-17373	40	17	the	the	DET
ajst-17373	40	18	ground	ground	NOUN
ajst-17373	40	19	atmosphere	atmosphere	NOUN
ajst-17373	40	20	,	,	PUNCT
ajst-17373	40	21	the	the	DET
ajst-17373	40	22	pressure	pressure	NOUN
ajst-17373	40	23	on	on	ADP
ajst-17373	40	24	the	the	DET
ajst-17373	40	25	working	work	VERB
ajst-17373	40	26	face	face	NOUN
ajst-17373	40	27	decreases	decrease	NOUN
ajst-17373	40	28	accordingly	accordingly	ADV
ajst-17373	40	29	,	,	PUNCT
ajst-17373	40	30	resulting	result	VERB
ajst-17373	40	31	in	in	ADP
ajst-17373	40	32	a	a	DET
ajst-17373	40	33	pressure	pressure	NOUN
ajst-17373	40	34	difference	difference	NOUN
ajst-17373	40	35	between	between	ADP
ajst-17373	40	36	the	the	DET
ajst-17373	40	37	working	work	VERB
ajst-17373	40	38	face	face	NOUN
ajst-17373	40	39	and	and	CCONJ
ajst-17373	40	40	the	the	DET
ajst-17373	40	41	goaf	goaf	NOUN
ajst-17373	40	42	,	,	PUNCT
ajst-17373	40	43	leading	lead	VERB
ajst-17373	40	44	to	to	ADP
ajst-17373	40	45	the	the	DET
ajst-17373	40	46	influx	influx	NOUN
ajst-17373	40	47	of	of	ADP
ajst-17373	40	48	low	low	ADJ
ajst-17373	40	49	oxygen	oxygen	NOUN
ajst-17373	40	50	gas	gas	NOUN
ajst-17373	40	51	into	into	ADP
ajst-17373	40	52	the	the	DET
ajst-17373	40	53	working	work	VERB
ajst-17373	40	54	face	face	NOUN
ajst-17373	40	55	.	.	PUNCT
ajst-17373	41	1	the	the	DET
ajst-17373	41	2	amount	amount	NOUN
ajst-17373	41	3	of	of	ADP
ajst-17373	41	4	low	low	ADJ
ajst-17373	41	5	oxygen	oxygen	NOUN
ajst-17373	41	6	gas	gas	NOUN
ajst-17373	41	7	emitted	emit	VERB
ajst-17373	41	8	is	be	AUX
ajst-17373	41	9	related	relate	VERB
ajst-17373	41	10	to	to	ADP
ajst-17373	41	11	the	the	DET
ajst-17373	41	12	pressure	pressure	NOUN
ajst-17373	41	13	difference	difference	NOUN
ajst-17373	41	14	.	.	PUNCT
ajst-17373	42	1	when	when	SCONJ
ajst-17373	42	2	the	the	DET
ajst-17373	42	3	static	static	ADJ
ajst-17373	42	4	pressure	pressure	NOUN
ajst-17373	42	5	is	be	AUX
ajst-17373	42	6	lower	low	ADJ
ajst-17373	42	7	than	than	ADP
ajst-17373	42	8	the	the	DET
ajst-17373	42	9	pressure	pressure	NOUN
ajst-17373	42	10	in	in	ADP
ajst-17373	42	11	the	the	DET
ajst-17373	42	12	goaf	goaf	NOUN
ajst-17373	42	13	,	,	PUNCT
ajst-17373	42	14	the	the	DET
ajst-17373	42	15	gas	gas	NOUN
ajst-17373	42	16	in	in	ADP
ajst-17373	42	17	the	the	DET
ajst-17373	42	18	goaf	goaf	NOUN
ajst-17373	42	19	is	be	AUX
ajst-17373	42	20	in	in	ADP
ajst-17373	42	21	an	an	DET
ajst-17373	42	22	expanding	expand	VERB
ajst-17373	42	23	state	state	NOUN
ajst-17373	42	24	,	,	PUNCT
ajst-17373	42	25	presenting	present	VERB
ajst-17373	42	26	an	an	DET
ajst-17373	42	27	output	output	NOUN
ajst-17373	42	28	state	state	NOUN
ajst-17373	42	29	similar	similar	ADJ
ajst-17373	42	30	to	to	ADP
ajst-17373	42	31	the	the	DET
ajst-17373	42	32	sound	sound	NOUN
ajst-17373	42	33	of	of	ADP
ajst-17373	42	34	wind	wind	NOUN
ajst-17373	42	35	.	.	PUNCT
ajst-17373	43	1	as	as	ADP
ajst-17373	43	2	a	a	DET
ajst-17373	43	3	result	result	NOUN
ajst-17373	43	4	,	,	PUNCT
ajst-17373	43	5	low	low	ADJ
ajst-17373	43	6	oxygen	oxygen	NOUN
ajst-17373	43	7	gas	gas	NOUN
ajst-17373	43	8	flows	flow	NOUN
ajst-17373	43	9	into	into	ADP
ajst-17373	43	10	the	the	DET
ajst-17373	43	11	working	work	VERB
ajst-17373	43	12	face	face	NOUN
ajst-17373	43	13	in	in	ADP
ajst-17373	43	14	the	the	DET
ajst-17373	43	15	goaf	goaf	NOUN
ajst-17373	43	16	,	,	PUNCT
ajst-17373	43	17	leading	lead	VERB
ajst-17373	43	18	to	to	ADP
ajst-17373	43	19	low	low	ADJ
ajst-17373	43	20	oxygen	oxygen	NOUN
ajst-17373	43	21	phenomenon	phenomenon	NOUN
ajst-17373	43	22	in	in	ADP
ajst-17373	43	23	the	the	DET
ajst-17373	43	24	upper	upper	ADJ
ajst-17373	43	25	corner	corner	NOUN
ajst-17373	43	26	of	of	ADP
ajst-17373	43	27	the	the	DET
ajst-17373	43	28	return	return	NOUN
ajst-17373	43	29	air	air	NOUN
ajst-17373	43	30	of	of	ADP
ajst-17373	43	31	the	the	DET
ajst-17373	43	32	working	work	VERB
ajst-17373	43	33	face	face	NOUN
ajst-17373	43	34	.	.	PUNCT
ajst-17373	44	1	2.2	2.2	NUM
ajst-17373	44	2	.	.	PUNCT
ajst-17373	44	3	sources	source	NOUN
ajst-17373	44	4	and	and	CCONJ
ajst-17373	44	5	causes	cause	NOUN
ajst-17373	44	6	of	of	ADP
ajst-17373	44	7	low	low	ADJ
ajst-17373	44	8	oxygen	oxygen	NOUN
ajst-17373	44	9	gas	gas	NOUN
ajst-17373	44	10	emission	emission	NOUN
ajst-17373	44	11	in	in	ADP
ajst-17373	44	12	52506	52506	NUM
ajst-17373	44	13	fully	fully	ADV
ajst-17373	44	14	mechanized	mechanized	ADJ
ajst-17373	44	15	mining	mining	NOUN
ajst-17373	44	16	face	face	NOUN
ajst-17373	44	17	(	(	PUNCT
ajst-17373	44	18	1	1	X
ajst-17373	44	19	)	)	PUNCT
ajst-17373	44	20	the	the	DET
ajst-17373	44	21	52506	52506	NUM
ajst-17373	44	22	fully	fully	ADV
ajst-17373	44	23	mechanized	mechanized	ADJ
ajst-17373	44	24	mining	mining	NOUN
ajst-17373	44	25	face	face	NOUN
ajst-17373	44	26	is	be	AUX
ajst-17373	44	27	located	locate	VERB
ajst-17373	44	28	in	in	ADP
ajst-17373	44	29	the	the	DET
ajst-17373	44	30	co2	co2	NOUN
ajst-17373	44	31	~	~	SYM
ajst-17373	44	32	n2	n2	ADJ
ajst-17373	44	33	gas	gas	NOUN
ajst-17373	44	34	weathering	weathering	NOUN
ajst-17373	44	35	zone	zone	NOUN
ajst-17373	44	36	.	.	PUNCT
ajst-17373	45	1	according	accord	VERB
ajst-17373	45	2	to	to	ADP
ajst-17373	45	3	the	the	DET
ajst-17373	45	4	analysis	analysis	NOUN
ajst-17373	45	5	of	of	ADP
ajst-17373	45	6	mine	mine	ADJ
ajst-17373	45	7	gas	gas	NOUN
ajst-17373	45	8	composition	composition	NOUN
ajst-17373	45	9	,	,	PUNCT
ajst-17373	45	10	n2	n2	ADJ
ajst-17373	45	11	ranges	range	VERB
ajst-17373	45	12	from	from	ADP
ajst-17373	45	13	83.72	83.72	NUM
ajst-17373	45	14	%	%	NOUN
ajst-17373	45	15	to	to	ADP
ajst-17373	45	16	99.14	99.14	NUM
ajst-17373	45	17	%	%	NOUN
ajst-17373	45	18	,	,	PUNCT
ajst-17373	45	19	with	with	ADP
ajst-17373	45	20	an	an	DET
ajst-17373	45	21	average	average	NOUN
ajst-17373	45	22	of	of	ADP
ajst-17373	45	23	97.71	97.71	NUM
ajst-17373	45	24	%	%	NOUN
ajst-17373	45	25	;	;	PUNCT
ajst-17373	45	26	ch4	ch4	NOUN
ajst-17373	45	27	ranges	range	VERB
ajst-17373	45	28	from	from	ADP
ajst-17373	45	29	1.67	1.67	NUM
ajst-17373	45	30	%	%	NOUN
ajst-17373	45	31	to	to	ADP
ajst-17373	45	32	15.29	15.29	NUM
ajst-17373	45	33	%	%	NOUN
ajst-17373	45	34	,	,	PUNCT
ajst-17373	45	35	with	with	ADP
ajst-17373	45	36	an	an	DET
ajst-17373	45	37	average	average	NOUN
ajst-17373	45	38	of	of	ADP
ajst-17373	45	39	7.28	7.28	NUM
ajst-17373	45	40	%	%	NOUN
ajst-17373	45	41	;	;	PUNCT
ajst-17373	45	42	co2	co2	NOUN
ajst-17373	45	43	ranges	range	NOUN
ajst-17373	45	44	from	from	ADP
ajst-17373	45	45	0.85	0.85	NUM
ajst-17373	45	46	%	%	NOUN
ajst-17373	45	47	to	to	PART
ajst-17373	45	48	5.33	5.33	NUM
ajst-17373	45	49	%	%	NOUN
ajst-17373	45	50	,	,	PUNCT
ajst-17373	45	51	with	with	ADP
ajst-17373	45	52	an	an	DET
ajst-17373	45	53	average	average	NOUN
ajst-17373	45	54	of	of	ADP
ajst-17373	45	55	3.61	3.61	NUM
ajst-17373	45	56	%	%	NOUN
ajst-17373	45	57	.	.	PUNCT
ajst-17373	46	1	so	so	ADV
ajst-17373	46	2	the	the	DET
ajst-17373	46	3	52506	52506	NUM
ajst-17373	46	4	fully	fully	ADV
ajst-17373	46	5	mechanized	mechanized	ADJ
ajst-17373	46	6	mining	mining	NOUN
ajst-17373	46	7	face	face	NOUN
ajst-17373	46	8	is	be	AUX
ajst-17373	46	9	located	locate	VERB
ajst-17373	46	10	in	in	ADP
ajst-17373	46	11	the	the	DET
ajst-17373	46	12	co2	co2	NOUN
ajst-17373	46	13	~	~	SYM
ajst-17373	46	14	n2	n2	ADJ
ajst-17373	46	15	gas	gas	NOUN
ajst-17373	46	16	weathering	weathering	NOUN
ajst-17373	46	17	zone	zone	NOUN
ajst-17373	46	18	,	,	PUNCT
ajst-17373	46	19	and	and	CCONJ
ajst-17373	46	20	the	the	DET
ajst-17373	46	21	main	main	ADJ
ajst-17373	46	22	gas	gas	NOUN
ajst-17373	46	23	emitted	emit	VERB
ajst-17373	46	24	is	be	AUX
ajst-17373	46	25	n2	n2	ADJ
ajst-17373	46	26	.	.	PUNCT
ajst-17373	47	1	(	(	PUNCT
ajst-17373	47	2	2	2	X
ajst-17373	47	3	)	)	PUNCT
ajst-17373	47	4	the	the	DET
ajst-17373	47	5	impact	impact	NOUN
ajst-17373	47	6	of	of	ADP
ajst-17373	47	7	shallow	shallow	ADJ
ajst-17373	47	8	and	and	CCONJ
ajst-17373	47	9	deep	deep	ADJ
ajst-17373	47	10	mining	mining	NOUN
ajst-17373	47	11	.	.	PUNCT
ajst-17373	48	1	the	the	DET
ajst-17373	48	2	burial	burial	ADJ
ajst-17373	48	3	depth	depth	NOUN
ajst-17373	48	4	of	of	ADP
ajst-17373	48	5	the	the	DET
ajst-17373	48	6	52506	52506	NUM
ajst-17373	48	7	fully	fully	ADV
ajst-17373	48	8	mechanized	mechanized	ADJ
ajst-17373	48	9	mining	mining	NOUN
ajst-17373	48	10	face	face	NOUN
ajst-17373	48	11	is	be	AUX
ajst-17373	48	12	about	about	ADP
ajst-17373	48	13	80~200	80~200	NUM
ajst-17373	48	14	m.	m.	NOUN
ajst-17373	48	15	during	during	ADP
ajst-17373	48	16	the	the	DET
ajst-17373	48	17	mining	mining	NOUN
ajst-17373	48	18	process	process	NOUN
ajst-17373	48	19	,	,	PUNCT
ajst-17373	48	20	there	there	PRON
ajst-17373	48	21	may	may	AUX
ajst-17373	48	22	be	be	AUX
ajst-17373	48	23	cracks	crack	NOUN
ajst-17373	48	24	communicating	communicate	VERB
ajst-17373	48	25	with	with	ADP
ajst-17373	48	26	the	the	DET
ajst-17373	48	27	surface	surface	NOUN
ajst-17373	48	28	.	.	PUNCT
ajst-17373	49	1	under	under	ADP
ajst-17373	49	2	the	the	DET
ajst-17373	49	3	negative	negative	ADJ
ajst-17373	49	4	pressure	pressure	NOUN
ajst-17373	49	5	,	,	PUNCT
ajst-17373	49	6	gas	gas	NOUN
ajst-17373	49	7	from	from	ADP
ajst-17373	49	8	the	the	DET
ajst-17373	49	9	52506	52506	NUM
ajst-17373	49	10	goaf	goaf	NOUN
ajst-17373	49	11	gushes	gush	NOUN
ajst-17373	49	12	out	out	ADP
ajst-17373	49	13	towards	towards	ADP
ajst-17373	49	14	the	the	DET
ajst-17373	49	15	working	work	VERB
ajst-17373	49	16	face	face	NOUN
ajst-17373	49	17	,	,	PUNCT
ajst-17373	49	18	causing	cause	VERB
ajst-17373	49	19	the	the	DET
ajst-17373	49	20	occurrence	occurrence	NOUN
ajst-17373	49	21	of	of	ADP
ajst-17373	49	22	low	low	ADJ
ajst-17373	49	23	oxygen	oxygen	NOUN
ajst-17373	49	24	phenomenon	phenomenon	NOUN
ajst-17373	49	25	.	.	PUNCT
ajst-17373	50	1	(	(	PUNCT
ajst-17373	50	2	3	3	X
ajst-17373	50	3	)	)	PUNCT
ajst-17373	50	4	the	the	DET
ajst-17373	50	5	impact	impact	NOUN
ajst-17373	50	6	of	of	ADP
ajst-17373	50	7	adjacent	adjacent	ADJ
ajst-17373	50	8	goafs	goafs	NOUN
ajst-17373	50	9	.	.	PUNCT
ajst-17373	51	1	the	the	DET
ajst-17373	51	2	52506	52506	NUM
ajst-17373	51	3	fully	fully	ADV
ajst-17373	51	4	mechanized	mechanized	ADJ
ajst-17373	51	5	mining	mining	NOUN
ajst-17373	51	6	face	face	NOUN
ajst-17373	51	7	is	be	AUX
ajst-17373	51	8	adjacent	adjacent	ADJ
ajst-17373	51	9	to	to	ADP
ajst-17373	51	10	the	the	DET
ajst-17373	51	11	52505	52505	NUM
ajst-17373	51	12	goaf	goaf	NOUN
ajst-17373	51	13	.	.	PUNCT
ajst-17373	52	1	as	as	ADP
ajst-17373	52	2	the	the	DET
ajst-17373	52	3	roof	roof	NOUN
ajst-17373	52	4	of	of	ADP
ajst-17373	52	5	the	the	DET
ajst-17373	52	6	goaf	goaf	NOUN
ajst-17373	52	7	collapses	collapse	VERB
ajst-17373	52	8	,	,	PUNCT
ajst-17373	52	9	the	the	DET
ajst-17373	52	10	coal	coal	NOUN
ajst-17373	52	11	pillars	pillar	NOUN
ajst-17373	52	12	or	or	CCONJ
ajst-17373	52	13	connecting	connect	VERB
ajst-17373	52	14	tunnels	tunnel	NOUN
ajst-17373	52	15	between	between	ADP
ajst-17373	52	16	the	the	DET
ajst-17373	52	17	52506	52506	NUM
ajst-17373	52	18	return	return	NOUN
ajst-17373	52	19	flow	flow	NOUN
ajst-17373	52	20	and	and	CCONJ
ajst-17373	52	21	the	the	DET
ajst-17373	52	22	52505	52505	NUM
ajst-17373	52	23	transport	transport	NOUN
ajst-17373	52	24	flow	flow	NOUN
ajst-17373	52	25	are	be	AUX
ajst-17373	52	26	sealed	seal	VERB
ajst-17373	52	27	,	,	PUNCT
ajst-17373	52	28	resulting	result	VERB
ajst-17373	52	29	in	in	ADP
ajst-17373	52	30	air	air	NOUN
ajst-17373	52	31	leakage	leakage	NOUN
ajst-17373	52	32	channels	channel	NOUN
ajst-17373	52	33	.	.	PUNCT
ajst-17373	53	1	under	under	ADP
ajst-17373	53	2	the	the	DET
ajst-17373	53	3	action	action	NOUN
ajst-17373	53	4	of	of	ADP
ajst-17373	53	5	negative	negative	ADJ
ajst-17373	53	6	pressure	pressure	NOUN
ajst-17373	53	7	ventilation	ventilation	NOUN
ajst-17373	53	8	,	,	PUNCT
ajst-17373	53	9	low	low	ADJ
ajst-17373	53	10	oxygen	oxygen	NOUN
ajst-17373	53	11	gas	gas	NOUN
ajst-17373	53	12	from	from	ADP
ajst-17373	53	13	the	the	DET
ajst-17373	53	14	52505	52505	NUM
ajst-17373	53	15	goaf	goaf	NOUN
ajst-17373	53	16	gushes	gush	NOUN
ajst-17373	53	17	out	out	ADP
ajst-17373	53	18	towards	towards	ADP
ajst-17373	53	19	the	the	DET
ajst-17373	53	20	52506	52506	NUM
ajst-17373	53	21	working	working	NOUN
ajst-17373	53	22	face	face	NOUN
ajst-17373	53	23	,	,	PUNCT
ajst-17373	53	24	causing	cause	VERB
ajst-17373	53	25	the	the	DET
ajst-17373	53	26	occurrence	occurrence	NOUN
ajst-17373	53	27	of	of	ADP
ajst-17373	53	28	low	low	ADJ
ajst-17373	53	29	oxygen	oxygen	NOUN
ajst-17373	53	30	phenomenon	phenomenon	NOUN
ajst-17373	53	31	.	.	PUNCT
ajst-17373	54	1	(	(	PUNCT
ajst-17373	54	2	4	4	X
ajst-17373	54	3	)	)	PUNCT
ajst-17373	54	4	affected	affect	VERB
ajst-17373	54	5	by	by	ADP
ajst-17373	54	6	changes	change	NOUN
ajst-17373	54	7	in	in	ADP
ajst-17373	54	8	atmospheric	atmospheric	ADJ
ajst-17373	54	9	pressure	pressure	NOUN
ajst-17373	54	10	.	.	PUNCT
ajst-17373	55	1	through	through	ADP
ajst-17373	55	2	observation	observation	NOUN
ajst-17373	55	3	,	,	PUNCT
ajst-17373	55	4	it	it	PRON
ajst-17373	55	5	was	be	AUX
ajst-17373	55	6	found	find	VERB
ajst-17373	55	7	that	that	SCONJ
ajst-17373	55	8	the	the	DET
ajst-17373	55	9	highest	high	ADJ
ajst-17373	55	10	atmospheric	atmospheric	ADJ
ajst-17373	55	11	pressure	pressure	NOUN
ajst-17373	55	12	in	in	ADP
ajst-17373	55	13	a	a	DET
ajst-17373	55	14	day	day	NOUN
ajst-17373	55	15	at	at	ADP
ajst-17373	55	16	the	the	DET
ajst-17373	55	17	52506	52506	NUM
ajst-17373	55	18	fully	fully	ADV
ajst-17373	55	19	mechanized	mechanized	ADJ
ajst-17373	55	20	mining	mining	NOUN
ajst-17373	55	21	face	face	NOUN
ajst-17373	55	22	generally	generally	ADV
ajst-17373	55	23	occurs	occur	VERB
ajst-17373	55	24	between	between	ADP
ajst-17373	55	25	21:00	21:00	NUM
ajst-17373	55	26	and	and	CCONJ
ajst-17373	55	27	2:00	2:00	NUM
ajst-17373	55	28	,	,	PUNCT
ajst-17373	55	29	and	and	CCONJ
ajst-17373	55	30	the	the	DET
ajst-17373	55	31	lowest	low	ADJ
ajst-17373	55	32	value	value	NOUN
ajst-17373	55	33	generally	generally	ADV
ajst-17373	55	34	occurs	occur	VERB
ajst-17373	55	35	between	between	ADP
ajst-17373	55	36	14:00	14:00	NUM
ajst-17373	55	37	and	and	CCONJ
ajst-17373	55	38	18:00	18:00	NUM
ajst-17373	55	39	in	in	ADP
ajst-17373	55	40	the	the	DET
ajst-17373	55	41	afternoon	afternoon	NOUN
ajst-17373	55	42	.	.	PUNCT
ajst-17373	56	1	this	this	DET
ajst-17373	56	2	change	change	NOUN
ajst-17373	56	3	in	in	ADP
ajst-17373	56	4	atmospheric	atmospheric	ADJ
ajst-17373	56	5	pressure	pressure	NOUN
ajst-17373	56	6	also	also	ADV
ajst-17373	56	7	leads	lead	VERB
ajst-17373	56	8	to	to	ADP
ajst-17373	56	9	breathing	breathe	VERB
ajst-17373	56	10	phenomena	phenomenon	NOUN
ajst-17373	56	11	in	in	ADP
ajst-17373	56	12	the	the	DET
ajst-17373	56	13	goaf	goaf	NOUN
ajst-17373	56	14	,	,	PUNCT
ajst-17373	56	15	which	which	PRON
ajst-17373	56	16	can	can	AUX
ajst-17373	56	17	easily	easily	ADV
ajst-17373	56	18	induce	induce	VERB
ajst-17373	56	19	hypoxia	hypoxia	NOUN
ajst-17373	56	20	.	.	PUNCT
ajst-17373	57	1	3	3	X
ajst-17373	57	2	.	.	X
ajst-17373	57	3	low	low	ADJ
ajst-17373	57	4	oxygen	oxygen	NOUN
ajst-17373	57	5	prevention	prevention	NOUN
ajst-17373	57	6	and	and	CCONJ
ajst-17373	57	7	control	control	NOUN
ajst-17373	57	8	measures	measure	NOUN
ajst-17373	57	9	in	in	ADP
ajst-17373	57	10	fully	fully	ADV
ajst-17373	57	11	mechanized	mechanized	ADJ
ajst-17373	57	12	mining	mining	NOUN
ajst-17373	57	13	face	face	NOUN
ajst-17373	57	14	(	(	PUNCT
ajst-17373	57	15	1	1	X
ajst-17373	57	16	)	)	PUNCT
ajst-17373	57	17	install	install	NOUN
ajst-17373	57	18	wind	wind	NOUN
ajst-17373	57	19	curtains	curtain	NOUN
ajst-17373	57	20	and	and	CCONJ
ajst-17373	57	21	air	air	NOUN
ajst-17373	57	22	flow	flow	NOUN
ajst-17373	57	23	guide	guide	NOUN
ajst-17373	57	24	plates	plate	NOUN
ajst-17373	57	25	at	at	ADP
ajst-17373	57	26	the	the	DET
ajst-17373	57	27	front	front	NOUN
ajst-17373	57	28	and	and	CCONJ
ajst-17373	57	29	rear	rear	NOUN
ajst-17373	57	30	of	of	ADP
ajst-17373	57	31	the	the	DET
ajst-17373	57	32	working	work	VERB
ajst-17373	57	33	face	face	NOUN
ajst-17373	57	34	.	.	PUNCT
ajst-17373	58	1	install	install	VERB
ajst-17373	58	2	wind	wind	NOUN
ajst-17373	58	3	curtains	curtain	NOUN
ajst-17373	58	4	and	and	CCONJ
ajst-17373	58	5	airflow	airflow	NOUN
ajst-17373	58	6	guide	guide	NOUN
ajst-17373	58	7	plates	plate	NOUN
ajst-17373	58	8	at	at	ADP
ajst-17373	58	9	the	the	DET
ajst-17373	58	10	upper	upper	ADJ
ajst-17373	58	11	and	and	CCONJ
ajst-17373	58	12	lower	low	ADJ
ajst-17373	58	13	corners	corner	NOUN
ajst-17373	58	14	of	of	ADP
ajst-17373	58	15	the	the	DET
ajst-17373	58	16	52506	52506	NUM
ajst-17373	58	17	fully	fully	ADV
ajst-17373	58	18	mechanized	mechanized	ADJ
ajst-17373	58	19	mining	mining	NOUN
ajst-17373	58	20	face	face	NOUN
ajst-17373	58	21	to	to	PART
ajst-17373	58	22	prevent	prevent	VERB
ajst-17373	58	23	the	the	DET
ajst-17373	58	24	airflow	airflow	NOUN
ajst-17373	58	25	from	from	ADP
ajst-17373	58	26	flowing	flow	VERB
ajst-17373	58	27	into	into	ADP
ajst-17373	58	28	the	the	DET
ajst-17373	58	29	goaf	goaf	NOUN
ajst-17373	58	30	.	.	PUNCT
ajst-17373	59	1	install	install	VERB
ajst-17373	59	2	an	an	DET
ajst-17373	59	3	l	l	ADV
ajst-17373	59	4	-	-	ADJ
ajst-17373	59	5	shaped	shape	VERB
ajst-17373	59	6	air	air	NOUN
ajst-17373	59	7	guide	guide	NOUN
ajst-17373	59	8	curtain	curtain	NOUN
ajst-17373	59	9	in	in	ADP
ajst-17373	59	10	the	the	DET
ajst-17373	59	11	tail	tail	NOUN
ajst-17373	59	12	lane	lane	NOUN
ajst-17373	59	13	of	of	ADP
ajst-17373	59	14	the	the	DET
ajst-17373	59	15	machine	machine	NOUN
ajst-17373	59	16	to	to	PART
ajst-17373	59	17	guide	guide	VERB
ajst-17373	59	18	the	the	DET
ajst-17373	59	19	airflow	airflow	NOUN
ajst-17373	59	20	of	of	ADP
ajst-17373	59	21	the	the	DET
ajst-17373	59	22	52506	52506	NUM
ajst-17373	59	23	fully	fully	ADV
ajst-17373	59	24	mechanized	mechanized	ADJ
ajst-17373	59	25	mining	mining	NOUN
ajst-17373	59	26	face	face	NOUN
ajst-17373	59	27	to	to	ADP
ajst-17373	59	28	the	the	DET
ajst-17373	59	29	upper	upper	ADJ
ajst-17373	59	30	corner	corner	NOUN
ajst-17373	59	31	and	and	CCONJ
ajst-17373	59	32	increase	increase	VERB
ajst-17373	59	33	the	the	DET
ajst-17373	59	34	oxygen	oxygen	NOUN
ajst-17373	59	35	volume	volume	NOUN
ajst-17373	59	36	fraction	fraction	NOUN
ajst-17373	59	37	of	of	ADP
ajst-17373	59	38	the	the	DET
ajst-17373	59	39	return	return	NOUN
ajst-17373	59	40	air	air	NOUN
ajst-17373	59	41	at	at	ADP
ajst-17373	59	42	the	the	DET
ajst-17373	59	43	upper	upper	ADJ
ajst-17373	59	44	corner	corner	NOUN
ajst-17373	59	45	of	of	ADP
ajst-17373	59	46	the	the	DET
ajst-17373	59	47	52506	52506	NUM
ajst-17373	59	48	fully	fully	ADV
ajst-17373	59	49	mechanized	mechanized	ADJ
ajst-17373	59	50	mining	mining	NOUN
ajst-17373	59	51	face	face	NOUN
ajst-17373	59	52	.	.	PUNCT
ajst-17373	60	1	(	(	PUNCT
ajst-17373	60	2	2	2	X
ajst-17373	60	3	)	)	PUNCT
ajst-17373	60	4	joint	joint	ADJ
ajst-17373	60	5	measures	measure	NOUN
ajst-17373	60	6	will	will	AUX
ajst-17373	60	7	be	be	AUX
ajst-17373	60	8	taken	take	VERB
ajst-17373	60	9	above	above	ADP
ajst-17373	60	10	and	and	CCONJ
ajst-17373	60	11	below	below	ADP
ajst-17373	60	12	the	the	DET
ajst-17373	60	13	mine	mine	NOUN
ajst-17373	60	14	to	to	PART
ajst-17373	60	15	backfill	backfill	VERB
ajst-17373	60	16	the	the	DET
ajst-17373	60	17	surface	surface	NOUN
ajst-17373	60	18	,	,	PUNCT
ajst-17373	60	19	optimize	optimize	VERB
ajst-17373	60	20	the	the	DET
ajst-17373	60	21	sealing	sealing	NOUN
ajst-17373	60	22	facilities	facility	NOUN
ajst-17373	60	23	in	in	ADP
ajst-17373	60	24	the	the	DET
ajst-17373	60	25	goaf	goaf	NOUN
ajst-17373	60	26	,	,	PUNCT
ajst-17373	60	27	and	and	CCONJ
ajst-17373	60	28	improve	improve	VERB
ajst-17373	60	29	the	the	DET
ajst-17373	60	30	sealing	sealing	NOUN
ajst-17373	60	31	effect	effect	NOUN
ajst-17373	60	32	.	.	PUNCT
ajst-17373	61	1	due	due	ADP
ajst-17373	61	2	to	to	ADP
ajst-17373	61	3	the	the	DET
ajst-17373	61	4	shallow	shallow	ADJ
ajst-17373	61	5	burial	burial	NOUN
ajst-17373	61	6	depth	depth	NOUN
ajst-17373	61	7	of	of	ADP
ajst-17373	61	8	the	the	DET
ajst-17373	61	9	52506	52506	NUM
ajst-17373	61	10	fully	fully	ADV
ajst-17373	61	11	mechanized	mechanized	ADJ
ajst-17373	61	12	mining	mining	NOUN
ajst-17373	61	13	face	face	NOUN
ajst-17373	61	14	,	,	PUNCT
ajst-17373	61	15	there	there	PRON
ajst-17373	61	16	may	may	AUX
ajst-17373	61	17	be	be	AUX
ajst-17373	61	18	cracks	crack	NOUN
ajst-17373	61	19	communicating	communicate	VERB
ajst-17373	61	20	with	with	ADP
ajst-17373	61	21	the	the	DET
ajst-17373	61	22	surface	surface	NOUN
ajst-17373	61	23	during	during	ADP
ajst-17373	61	24	the	the	DET
ajst-17373	61	25	mining	mining	NOUN
ajst-17373	61	26	process	process	NOUN
ajst-17373	61	27	.	.	PUNCT
ajst-17373	62	1	under	under	ADP
ajst-17373	62	2	the	the	DET
ajst-17373	62	3	negative	negative	ADJ
ajst-17373	62	4	pressure	pressure	NOUN
ajst-17373	62	5	,	,	PUNCT
ajst-17373	62	6	gas	gas	NOUN
ajst-17373	62	7	from	from	ADP
ajst-17373	62	8	the	the	DET
ajst-17373	62	9	52506	52506	NUM
ajst-17373	62	10	goaf	goaf	NOUN
ajst-17373	62	11	gushes	gush	NOUN
ajst-17373	62	12	out	out	ADP
ajst-17373	62	13	towards	towards	ADP
ajst-17373	62	14	the	the	DET
ajst-17373	62	15	working	work	VERB
ajst-17373	62	16	face	face	NOUN
ajst-17373	62	17	,	,	PUNCT
ajst-17373	62	18	causing	cause	VERB
ajst-17373	62	19	the	the	DET
ajst-17373	62	20	occurrence	occurrence	NOUN
ajst-17373	62	21	of	of	ADP
ajst-17373	62	22	low	low	ADJ
ajst-17373	62	23	oxygen	oxygen	NOUN
ajst-17373	62	24	phenomenon	phenomenon	NOUN
ajst-17373	62	25	.	.	PUNCT
ajst-17373	63	1	therefore	therefore	ADV
ajst-17373	63	2	,	,	PUNCT
ajst-17373	63	3	timely	timely	ADV
ajst-17373	63	4	backfilling	backfilling	NOUN
ajst-17373	63	5	and	and	CCONJ
ajst-17373	63	6	sealing	sealing	NOUN
ajst-17373	63	7	of	of	ADP
ajst-17373	63	8	surface	surface	NOUN
ajst-17373	63	9	cracks	crack	NOUN
ajst-17373	63	10	should	should	AUX
ajst-17373	63	11	be	be	AUX
ajst-17373	63	12	carried	carry	VERB
ajst-17373	63	13	out	out	ADP
ajst-17373	63	14	.	.	PUNCT
ajst-17373	64	1	due	due	ADP
ajst-17373	64	2	to	to	ADP
ajst-17373	64	3	factors	factor	NOUN
ajst-17373	64	4	such	such	ADJ
ajst-17373	64	5	as	as	ADP
ajst-17373	64	6	repeated	repeat	VERB
ajst-17373	64	7	mining	mining	NOUN
ajst-17373	64	8	,	,	PUNCT
ajst-17373	64	9	water	water	NOUN
ajst-17373	64	10	flow	flow	NOUN
ajst-17373	64	11	erosion	erosion	NOUN
ajst-17373	64	12	,	,	PUNCT
ajst-17373	64	13	and	and	CCONJ
ajst-17373	64	14	natural	natural	ADJ
ajst-17373	64	15	factors	factor	NOUN
ajst-17373	64	16	,	,	PUNCT
ajst-17373	64	17	multiple	multiple	ADJ
ajst-17373	64	18	collapses	collapse	NOUN
ajst-17373	64	19	have	have	AUX
ajst-17373	64	20	occurred	occur	VERB
ajst-17373	64	21	,	,	PUNCT
ajst-17373	64	22	resulting	result	VERB
ajst-17373	64	23	in	in	ADP
ajst-17373	64	24	the	the	DET
ajst-17373	64	25	emergence	emergence	NOUN
ajst-17373	64	26	of	of	ADP
ajst-17373	64	27	new	new	ADJ
ajst-17373	64	28	cracks	crack	NOUN
ajst-17373	64	29	and	and	CCONJ
ajst-17373	64	30	pores	pore	NOUN
ajst-17373	64	31	.	.	PUNCT
ajst-17373	65	1	multiple	multiple	ADJ
ajst-17373	65	2	backfilling	backfilling	NOUN
ajst-17373	65	3	is	be	AUX
ajst-17373	65	4	required	require	VERB
ajst-17373	65	5	to	to	PART
ajst-17373	65	6	improve	improve	VERB
ajst-17373	65	7	the	the	DET
ajst-17373	65	8	sealing	sealing	NOUN
ajst-17373	65	9	quality	quality	NOUN
ajst-17373	65	10	of	of	ADP
ajst-17373	65	11	backfilling	backfilling	NOUN
ajst-17373	65	12	and	and	CCONJ
ajst-17373	65	13	prevent	prevent	VERB
ajst-17373	65	14	air	air	NOUN
ajst-17373	65	15	leakage	leakage	NOUN
ajst-17373	65	16	.	.	PUNCT
ajst-17373	66	1	(	(	PUNCT
ajst-17373	66	2	3	3	X
ajst-17373	66	3	)	)	PUNCT
ajst-17373	66	4	seal	seal	VERB
ajst-17373	66	5	the	the	DET
ajst-17373	66	6	adjacent	adjacent	ADJ
ajst-17373	66	7	goaf	goaf	NOUN
ajst-17373	66	8	connecting	connect	VERB
ajst-17373	66	9	roadway	roadway	NOUN
ajst-17373	66	10	to	to	PART
ajst-17373	66	11	improve	improve	VERB
ajst-17373	66	12	its	its	PRON
ajst-17373	66	13	sealing	sealing	NOUN
ajst-17373	66	14	quality	quality	NOUN
ajst-17373	66	15	and	and	CCONJ
ajst-17373	66	16	prevent	prevent	VERB
ajst-17373	66	17	the	the	DET
ajst-17373	66	18	inflow	inflow	NOUN
ajst-17373	66	19	of	of	ADP
ajst-17373	66	20	low	low	ADJ
ajst-17373	66	21	oxygen	oxygen	NOUN
ajst-17373	66	22	gas	gas	NOUN
ajst-17373	66	23	into	into	ADP
ajst-17373	66	24	the	the	DET
ajst-17373	66	25	52506	52506	NUM
ajst-17373	66	26	fully	fully	ADV
ajst-17373	66	27	mechanized	mechanized	ADJ
ajst-17373	66	28	mining	mining	NOUN
ajst-17373	66	29	face	face	NOUN
ajst-17373	66	30	,	,	PUNCT
ajst-17373	66	31	which	which	PRON
ajst-17373	66	32	may	may	AUX
ajst-17373	66	33	cause	cause	VERB
ajst-17373	66	34	low	low	ADJ
ajst-17373	66	35	oxygen	oxygen	NOUN
ajst-17373	66	36	phenomenon	phenomenon	NOUN
ajst-17373	66	37	in	in	ADP
ajst-17373	66	38	the	the	DET
ajst-17373	66	39	working	work	VERB
ajst-17373	66	40	face	face	NOUN
ajst-17373	66	41	.	.	PUNCT
ajst-17373	67	1	(	(	PUNCT
ajst-17373	67	2	4	4	X
ajst-17373	67	3	)	)	PUNCT
ajst-17373	67	4	adopting	adopt	VERB
ajst-17373	67	5	uniform	uniform	ADJ
ajst-17373	67	6	pressure	pressure	NOUN
ajst-17373	67	7	ventilation	ventilation	NOUN
ajst-17373	67	8	system	system	NOUN
ajst-17373	67	9	to	to	PART
ajst-17373	67	10	prevent	prevent	VERB
ajst-17373	67	11	low	low	ADJ
ajst-17373	67	12	oxygen	oxygen	NOUN
ajst-17373	67	13	.	.	PUNCT
ajst-17373	68	1	when	when	SCONJ
ajst-17373	68	2	there	there	PRON
ajst-17373	68	3	is	be	VERB
ajst-17373	68	4	a	a	DET
ajst-17373	68	5	large	large	ADJ
ajst-17373	68	6	area	area	NOUN
ajst-17373	68	7	of	of	ADP
ajst-17373	68	8	low	low	ADJ
ajst-17373	68	9	oxygen	oxygen	NOUN
ajst-17373	68	10	and	and	CCONJ
ajst-17373	68	11	a	a	DET
ajst-17373	68	12	low	low	ADJ
ajst-17373	68	13	degree	degree	NOUN
ajst-17373	68	14	of	of	ADP
ajst-17373	68	15	low	low	ADJ
ajst-17373	68	16	oxygen	oxygen	NOUN
ajst-17373	68	17	in	in	ADP
ajst-17373	68	18	the	the	DET
ajst-17373	68	19	52506	52506	NUM
ajst-17373	68	20	fully	fully	ADV
ajst-17373	68	21	mechanized	mechanized	ADJ
ajst-17373	68	22	mining	mining	NOUN
ajst-17373	68	23	face	face	NOUN
ajst-17373	68	24	,	,	PUNCT
ajst-17373	68	25	timely	timely	ADJ
ajst-17373	68	26	use	use	NOUN
ajst-17373	68	27	of	of	ADP
ajst-17373	68	28	a	a	DET
ajst-17373	68	29	uniform	uniform	ADJ
ajst-17373	68	30	pressure	pressure	NOUN
ajst-17373	68	31	ventilation	ventilation	NOUN
ajst-17373	68	32	system	system	NOUN
ajst-17373	68	33	for	for	ADP
ajst-17373	68	34	regulation	regulation	NOUN
ajst-17373	68	35	.	.	PUNCT
ajst-17373	69	1	while	while	SCONJ
ajst-17373	69	2	ensuring	ensure	VERB
ajst-17373	69	3	the	the	DET
ajst-17373	69	4	basic	basic	ADJ
ajst-17373	69	5	demand	demand	NOUN
ajst-17373	69	6	for	for	ADP
ajst-17373	69	7	underground	underground	ADJ
ajst-17373	69	8	air	air	NOUN
ajst-17373	69	9	volume	volume	NOUN
ajst-17373	69	10	,	,	PUNCT
ajst-17373	69	11	reducing	reduce	VERB
ajst-17373	69	12	the	the	DET
ajst-17373	69	13	air	air	NOUN
ajst-17373	69	14	volume	volume	NOUN
ajst-17373	69	15	of	of	ADP
ajst-17373	69	16	the	the	DET
ajst-17373	69	17	52506	52506	NUM
ajst-17373	69	18	fully	fully	ADV
ajst-17373	69	19	mechanized	mechanized	ADJ
ajst-17373	69	20	mining	mining	NOUN
ajst-17373	69	21	face	face	NOUN
ajst-17373	69	22	can	can	AUX
ajst-17373	69	23	increase	increase	VERB
ajst-17373	69	24	the	the	DET
ajst-17373	69	25	resistance	resistance	NOUN
ajst-17373	69	26	along	along	ADP
ajst-17373	69	27	the	the	DET
ajst-17373	69	28	return	return	NOUN
ajst-17373	69	29	air	air	NOUN
ajst-17373	69	30	section	section	NOUN
ajst-17373	69	31	,	,	PUNCT
ajst-17373	69	32	achieve	achieve	VERB
ajst-17373	69	33	a	a	DET
ajst-17373	69	34	reduction	reduction	NOUN
ajst-17373	69	35	in	in	ADP
ajst-17373	69	36	the	the	DET
ajst-17373	69	37	pressure	pressure	NOUN
ajst-17373	69	38	difference	difference	NOUN
ajst-17373	69	39	of	of	ADP
ajst-17373	69	40	the	the	DET
ajst-17373	69	41	return	return	NOUN
ajst-17373	69	42	air	air	NOUN
ajst-17373	69	43	at	at	ADP
ajst-17373	69	44	the	the	DET
ajst-17373	69	45	upper	upper	ADJ
ajst-17373	69	46	corner	corner	NOUN
ajst-17373	69	47	of	of	ADP
ajst-17373	69	48	the	the	DET
ajst-17373	69	49	52506	52506	NUM
ajst-17373	69	50	fully	fully	ADV
ajst-17373	69	51	mechanized	mechanized	ADJ
ajst-17373	69	52	mining	mining	NOUN
ajst-17373	69	53	face	face	NOUN
ajst-17373	69	54	,	,	PUNCT
ajst-17373	69	55	and	and	CCONJ
ajst-17373	69	56	reduce	reduce	VERB
ajst-17373	69	57	the	the	DET
ajst-17373	69	58	inflow	inflow	NOUN
ajst-17373	69	59	of	of	ADP
ajst-17373	69	60	low	low	ADJ
ajst-17373	69	61	oxygen	oxygen	NOUN
ajst-17373	69	62	gas	gas	NOUN
ajst-17373	69	63	into	into	ADP
ajst-17373	69	64	the	the	DET
ajst-17373	69	65	52506	52506	NUM
ajst-17373	69	66	fully	fully	ADV
ajst-17373	69	67	mechanized	mechanized	ADJ
ajst-17373	69	68	mining	mining	NOUN
ajst-17373	69	69	face	face	NOUN
ajst-17373	69	70	.	.	PUNCT
ajst-17373	70	1	the	the	DET
ajst-17373	70	2	use	use	NOUN
ajst-17373	70	3	of	of	ADP
ajst-17373	70	4	uniform	uniform	ADJ
ajst-17373	70	5	pressure	pressure	NOUN
ajst-17373	70	6	ventilation	ventilation	NOUN
ajst-17373	70	7	system	system	NOUN
ajst-17373	70	8	can	can	AUX
ajst-17373	70	9	significantly	significantly	ADV
ajst-17373	70	10	increase	increase	VERB
ajst-17373	70	11	the	the	DET
ajst-17373	70	12	oxygen	oxygen	NOUN
ajst-17373	70	13	volume	volume	NOUN
ajst-17373	70	14	fraction	fraction	NOUN
ajst-17373	70	15	of	of	ADP
ajst-17373	70	16	52506	52506	NUM
ajst-17373	70	17	fully	fully	ADV
ajst-17373	70	18	mechanized	mechanized	ADJ
ajst-17373	70	19	mining	mining	NOUN
ajst-17373	70	20	face	face	NOUN
ajst-17373	70	21	,	,	PUNCT
ajst-17373	70	22	effectively	effectively	ADV
ajst-17373	70	23	solving	solve	VERB
ajst-17373	70	24	the	the	DET
ajst-17373	70	25	problem	problem	NOUN
ajst-17373	70	26	of	of	ADP
ajst-17373	70	27	low	low	ADJ
ajst-17373	70	28	oxygen	oxygen	NOUN
ajst-17373	70	29	in	in	ADP
ajst-17373	70	30	52506	52506	NUM
ajst-17373	70	31	fully	fully	ADV
ajst-17373	70	32	mechanized	mechanized	ADJ
ajst-17373	70	33	mining	mining	NOUN
ajst-17373	70	34	face	face	NOUN
ajst-17373	70	35	.	.	PUNCT
ajst-17373	71	1	(	(	PUNCT
ajst-17373	71	2	5	5	X
ajst-17373	71	3	)	)	PUNCT
ajst-17373	71	4	install	install	VERB
ajst-17373	71	5	a	a	DET
ajst-17373	71	6	negative	negative	ADJ
ajst-17373	71	7	pressure	pressure	NOUN
ajst-17373	71	8	pumping	pumping	NOUN
ajst-17373	71	9	system	system	NOUN
ajst-17373	71	10	at	at	ADP
ajst-17373	71	11	the	the	DET
ajst-17373	71	12	upper	upper	ADJ
ajst-17373	71	13	corner	corner	NOUN
ajst-17373	71	14	of	of	ADP
ajst-17373	71	15	the	the	DET
ajst-17373	71	16	return	return	NOUN
ajst-17373	71	17	air	air	NOUN
ajst-17373	71	18	of	of	ADP
ajst-17373	71	19	the	the	DET
ajst-17373	71	20	52506	52506	NUM
ajst-17373	71	21	fully	fully	ADV
ajst-17373	71	22	mechanized	mechanized	ADJ
ajst-17373	71	23	mining	mining	NOUN
ajst-17373	71	24	face	face	NOUN
ajst-17373	71	25	.	.	PUNCT
ajst-17373	72	1	cooperate	cooperate	VERB
ajst-17373	72	2	with	with	ADP
ajst-17373	72	3	the	the	DET
ajst-17373	72	4	overlying	overlie	VERB
ajst-17373	72	5	goaf	goaf	NOUN
ajst-17373	72	6	extraction	extraction	NOUN
ajst-17373	72	7	of	of	ADP
ajst-17373	72	8	the	the	DET
ajst-17373	72	9	52506	52506	NUM
ajst-17373	72	10	fully	fully	ADV
ajst-17373	72	11	mechanized	mechanized	ADJ
ajst-17373	72	12	mining	mining	NOUN
ajst-17373	72	13	face	face	NOUN
ajst-17373	72	14	to	to	PART
ajst-17373	72	15	achieve	achieve	VERB
ajst-17373	72	16	the	the	DET
ajst-17373	72	17	effect	effect	NOUN
ajst-17373	72	18	of	of	ADP
ajst-17373	72	19	low	low	ADJ
ajst-17373	72	20	oxygen	oxygen	NOUN
ajst-17373	72	21	treatment	treatment	NOUN
ajst-17373	72	22	.	.	PUNCT
ajst-17373	73	1	install	install	VERB
ajst-17373	73	2	a	a	DET
ajst-17373	73	3	ventilation	ventilation	NOUN
ajst-17373	73	4	duct	duct	NOUN
ajst-17373	73	5	at	at	ADP
ajst-17373	73	6	a	a	DET
ajst-17373	73	7	distance	distance	NOUN
ajst-17373	73	8	of	of	ADP
ajst-17373	73	9	100	100	NUM
ajst-17373	73	10	m	m	NOUN
ajst-17373	73	11	from	from	ADP
ajst-17373	73	12	the	the	DET
ajst-17373	73	13	52506	52506	NUM
ajst-17373	73	14	fully	fully	ADV
ajst-17373	73	15	mechanized	mechanized	ADJ
ajst-17373	73	16	mining	mining	NOUN
ajst-17373	73	17	face	face	NOUN
ajst-17373	73	18	,	,	PUNCT
ajst-17373	73	19	and	and	CCONJ
ajst-17373	73	20	use	use	VERB
ajst-17373	73	21	negative	negative	ADJ
ajst-17373	73	22	pressure	pressure	NOUN
ajst-17373	73	23	ventilation	ventilation	NOUN
ajst-17373	73	24	to	to	PART
ajst-17373	73	25	create	create	VERB
ajst-17373	73	26	a	a	DET
ajst-17373	73	27	negative	negative	ADJ
ajst-17373	73	28	pressure	pressure	NOUN
ajst-17373	73	29	zone	zone	NOUN
ajst-17373	73	30	at	at	ADP
ajst-17373	73	31	the	the	DET
ajst-17373	73	32	upper	upper	ADJ
ajst-17373	73	33	corner	corner	NOUN
ajst-17373	73	34	of	of	ADP
ajst-17373	73	35	the	the	DET
ajst-17373	73	36	return	return	NOUN
ajst-17373	73	37	air	air	NOUN
ajst-17373	73	38	of	of	ADP
ajst-17373	73	39	the	the	DET
ajst-17373	73	40	52506	52506	NUM
ajst-17373	73	41	fully	fully	ADV
ajst-17373	73	42	mechanized	mechanized	ADJ
ajst-17373	73	43	mining	mining	NOUN
ajst-17373	73	44	face	face	NOUN
ajst-17373	73	45	,	,	PUNCT
ajst-17373	73	46	thereby	thereby	ADV
ajst-17373	73	47	changing	change	VERB
ajst-17373	73	48	the	the	DET
ajst-17373	73	49	direction	direction	NOUN
ajst-17373	73	50	of	of	ADP
ajst-17373	73	51	toxic	toxic	ADJ
ajst-17373	73	52	and	and	CCONJ
ajst-17373	73	53	harmful	harmful	ADJ
ajst-17373	73	54	gas	gas	NOUN
ajst-17373	73	55	flow	flow	NOUN
ajst-17373	73	56	in	in	ADP
ajst-17373	73	57	the	the	DET
ajst-17373	73	58	upper	upper	ADJ
ajst-17373	73	59	corner	corner	NOUN
ajst-17373	73	60	of	of	ADP
ajst-17373	73	61	the	the	DET
ajst-17373	73	62	return	return	NOUN
ajst-17373	73	63	air	air	NOUN
ajst-17373	73	64	of	of	ADP
ajst-17373	73	65	the	the	DET
ajst-17373	73	66	working	work	VERB
ajst-17373	73	67	face	face	NOUN
ajst-17373	73	68	and	and	CCONJ
ajst-17373	73	69	avoiding	avoid	VERB
ajst-17373	73	70	the	the	DET
ajst-17373	73	71	influx	influx	NOUN
ajst-17373	73	72	of	of	ADP
ajst-17373	73	73	toxic	toxic	ADJ
ajst-17373	73	74	and	and	CCONJ
ajst-17373	73	75	harmful	harmful	ADJ
ajst-17373	73	76	gases	gas	NOUN
ajst-17373	73	77	into	into	ADP
ajst-17373	73	78	the	the	DET
ajst-17373	73	79	52506	52506	NUM
ajst-17373	73	80	fully	fully	ADV
ajst-17373	73	81	mechanized	mechanized	ADJ
ajst-17373	73	82	mining	mining	NOUN
ajst-17373	73	83	face	face	NOUN
ajst-17373	73	84	.	.	PUNCT
ajst-17373	74	1	at	at	ADP
ajst-17373	74	2	the	the	DET
ajst-17373	74	3	same	same	ADJ
ajst-17373	74	4	time	time	NOUN
ajst-17373	74	5	,	,	PUNCT
ajst-17373	74	6	install	install	VERB
ajst-17373	74	7	wind	wind	NOUN
ajst-17373	74	8	barriers	barrier	NOUN
ajst-17373	74	9	at	at	ADP
ajst-17373	74	10	the	the	DET
ajst-17373	74	11	cutting	cut	VERB
ajst-17373	74	12	line	line	NOUN
ajst-17373	74	13	of	of	ADP
ajst-17373	74	14	the	the	DET
ajst-17373	74	15	upper	upper	ADJ
ajst-17373	74	16	and	and	CCONJ
ajst-17373	74	17	lower	low	ADJ
ajst-17373	74	18	hydraulic	hydraulic	NOUN
ajst-17373	74	19	supports	support	NOUN
ajst-17373	74	20	to	to	PART
ajst-17373	74	21	ensure	ensure	VERB
ajst-17373	74	22	the	the	DET
ajst-17373	74	23	extraction	extraction	NOUN
ajst-17373	74	24	of	of	ADP
ajst-17373	74	25	gas	gas	NOUN
ajst-17373	74	26	from	from	ADP
ajst-17373	74	27	the	the	DET
ajst-17373	74	28	upper	upper	ADJ
ajst-17373	74	29	corner	corner	NOUN
ajst-17373	74	30	of	of	ADP
ajst-17373	74	31	the	the	DET
ajst-17373	74	32	return	return	NOUN
ajst-17373	74	33	air	air	NOUN
ajst-17373	74	34	in	in	ADP
ajst-17373	74	35	a	a	DET
ajst-17373	74	36	closed	closed	ADJ
ajst-17373	74	37	space	space	NOUN
ajst-17373	74	38	and	and	CCONJ
ajst-17373	74	39	improve	improve	VERB
ajst-17373	74	40	the	the	DET
ajst-17373	74	41	extraction	extraction	NOUN
ajst-17373	74	42	efficiency	efficiency	NOUN
ajst-17373	74	43	.	.	PUNCT
ajst-17373	75	1	(	(	PUNCT
ajst-17373	75	2	6	6	X
ajst-17373	75	3	)	)	PUNCT
ajst-17373	75	4	strengthen	strengthen	VERB
ajst-17373	75	5	the	the	DET
ajst-17373	75	6	monitoring	monitoring	NOUN
ajst-17373	75	7	and	and	CCONJ
ajst-17373	75	8	control	control	NOUN
ajst-17373	75	9	of	of	ADP
ajst-17373	75	10	oxygen	oxygen	NOUN
ajst-17373	75	11	volume	volume	NOUN
ajst-17373	75	12	fraction	fraction	NOUN
ajst-17373	75	13	at	at	ADP
ajst-17373	75	14	the	the	DET
ajst-17373	75	15	upper	upper	ADJ
ajst-17373	75	16	corner	corner	NOUN
ajst-17373	75	17	of	of	ADP
ajst-17373	75	18	the	the	DET
ajst-17373	75	19	return	return	NOUN
ajst-17373	75	20	air	air	NOUN
ajst-17373	75	21	of	of	ADP
ajst-17373	75	22	the	the	DET
ajst-17373	75	23	52506	52506	NUM
ajst-17373	75	24	fully	fully	ADV
ajst-17373	75	25	mechanized	mechanized	ADJ
ajst-17373	75	26	mining	mining	NOUN
ajst-17373	75	27	face	face	NOUN
ajst-17373	75	28	.	.	PUNCT
ajst-17373	76	1	by	by	ADP
ajst-17373	76	2	installing	instal	VERB
ajst-17373	76	3	"	"	PUNCT
ajst-17373	76	4	oxygen	oxygen	NOUN
ajst-17373	76	5	sensors	sensor	NOUN
ajst-17373	76	6	"	"	PUNCT
ajst-17373	76	7	and	and	CCONJ
ajst-17373	76	8	"	"	PUNCT
ajst-17373	76	9	portable	portable	ADJ
ajst-17373	76	10	oxygen	oxygen	NOUN
ajst-17373	76	11	alarm	alarm	NOUN
ajst-17373	76	12	devices	device	NOUN
ajst-17373	76	13	"	"	PUNCT
ajst-17373	76	14	to	to	PART
ajst-17373	76	15	detect	detect	VERB
ajst-17373	76	16	changes	change	NOUN
ajst-17373	76	17	in	in	ADP
ajst-17373	76	18	the	the	DET
ajst-17373	76	19	oxygen	oxygen	NOUN
ajst-17373	76	20	volume	volume	NOUN
ajst-17373	76	21	at	at	ADP
ajst-17373	76	22	the	the	DET
ajst-17373	76	23	upper	upper	ADJ
ajst-17373	76	24	corner	corner	NOUN
ajst-17373	76	25	of	of	ADP
ajst-17373	76	26	the	the	DET
ajst-17373	76	27	return	return	NOUN
ajst-17373	76	28	air	air	NOUN
ajst-17373	76	29	in	in	ADP
ajst-17373	76	30	the	the	DET
ajst-17373	76	31	52506	52506	NUM
ajst-17373	76	32	fully	fully	ADV
ajst-17373	76	33	mechanized	mechanized	ADJ
ajst-17373	76	34	mining	mining	NOUN
ajst-17373	76	35	face	face	NOUN
ajst-17373	76	36	,	,	PUNCT
ajst-17373	76	37	timely	timely	ADV
ajst-17373	76	38	grasp	grasp	VERB
ajst-17373	76	39	the	the	DET
ajst-17373	76	40	changes	change	NOUN
ajst-17373	76	41	in	in	ADP
ajst-17373	76	42	the	the	DET
ajst-17373	76	43	oxygen	oxygen	NOUN
ajst-17373	76	44	volume	volume	NOUN
ajst-17373	76	45	fraction	fraction	NOUN
ajst-17373	76	46	at	at	ADP
ajst-17373	76	47	the	the	DET
ajst-17373	76	48	upper	upper	ADJ
ajst-17373	76	49	corner	corner	NOUN
ajst-17373	76	50	12	12	NUM
ajst-17373	76	51	of	of	ADP
ajst-17373	76	52	the	the	DET
ajst-17373	76	53	return	return	NOUN
ajst-17373	76	54	air	air	NOUN
ajst-17373	76	55	.	.	PUNCT
ajst-17373	77	1	timely	timely	ADV
ajst-17373	77	2	analyze	analyze	VERB
ajst-17373	77	3	the	the	DET
ajst-17373	77	4	variation	variation	NOUN
ajst-17373	77	5	law	law	NOUN
ajst-17373	77	6	between	between	ADP
ajst-17373	77	7	oxygen	oxygen	NOUN
ajst-17373	77	8	volume	volume	NOUN
ajst-17373	77	9	fraction	fraction	NOUN
ajst-17373	77	10	,	,	PUNCT
ajst-17373	77	11	ground	ground	NOUN
ajst-17373	77	12	temperature	temperature	NOUN
ajst-17373	77	13	,	,	PUNCT
ajst-17373	77	14	and	and	CCONJ
ajst-17373	77	15	atmospheric	atmospheric	ADJ
ajst-17373	77	16	pressure	pressure	NOUN
ajst-17373	77	17	in	in	ADP
ajst-17373	77	18	the	the	DET
ajst-17373	77	19	52506	52506	NUM
ajst-17373	77	20	fully	fully	ADV
ajst-17373	77	21	mechanized	mechanized	ADJ
ajst-17373	77	22	mining	mining	NOUN
ajst-17373	77	23	face	face	NOUN
ajst-17373	77	24	,	,	PUNCT
ajst-17373	77	25	and	and	CCONJ
ajst-17373	77	26	then	then	ADV
ajst-17373	77	27	take	take	VERB
ajst-17373	77	28	effective	effective	ADJ
ajst-17373	77	29	governance	governance	NOUN
ajst-17373	77	30	measures	measure	NOUN
ajst-17373	77	31	[	[	X
ajst-17373	77	32	11	11	NUM
ajst-17373	77	33	]	]	PUNCT
ajst-17373	77	34	.	.	PUNCT
ajst-17373	78	1	4	4	X
ajst-17373	78	2	.	.	X
ajst-17373	78	3	conclusion	conclusion	VERB
ajst-17373	78	4	low	low	ADJ
ajst-17373	78	5	oxygen	oxygen	NOUN
ajst-17373	78	6	in	in	ADP
ajst-17373	78	7	the	the	DET
ajst-17373	78	8	52506	52506	NUM
ajst-17373	78	9	fully	fully	ADV
ajst-17373	78	10	mechanized	mechanized	ADJ
ajst-17373	78	11	mining	mining	NOUN
ajst-17373	78	12	face	face	NOUN
ajst-17373	78	13	of	of	ADP
ajst-17373	78	14	daliuta	daliuta	ADJ
ajst-17373	78	15	coal	coal	NOUN
ajst-17373	78	16	mine	mine	NOUN
ajst-17373	78	17	is	be	AUX
ajst-17373	78	18	a	a	DET
ajst-17373	78	19	unique	unique	ADJ
ajst-17373	78	20	disaster	disaster	NOUN
ajst-17373	78	21	caused	cause	VERB
ajst-17373	78	22	by	by	ADP
ajst-17373	78	23	the	the	DET
ajst-17373	78	24	mining	mining	NOUN
ajst-17373	78	25	conditions	condition	NOUN
ajst-17373	78	26	of	of	ADP
ajst-17373	78	27	shallow	shallow	ADJ
ajst-17373	78	28	,	,	PUNCT
ajst-17373	78	29	deep	deep	ADJ
ajst-17373	78	30	,	,	PUNCT
ajst-17373	78	31	and	and	CCONJ
ajst-17373	78	32	close	close	ADJ
ajst-17373	78	33	range	range	NOUN
ajst-17373	78	34	coal	coal	NOUN
ajst-17373	78	35	seams	seam	NOUN
ajst-17373	78	36	.	.	PUNCT
ajst-17373	79	1	through	through	ADP
ajst-17373	79	2	the	the	DET
ajst-17373	79	3	analysis	analysis	NOUN
ajst-17373	79	4	of	of	ADP
ajst-17373	79	5	the	the	DET
ajst-17373	79	6	reasons	reason	NOUN
ajst-17373	79	7	for	for	ADP
ajst-17373	79	8	low	low	ADJ
ajst-17373	79	9	oxygen	oxygen	NOUN
ajst-17373	79	10	in	in	ADP
ajst-17373	79	11	the	the	DET
ajst-17373	79	12	52506	52506	NUM
ajst-17373	79	13	fully	fully	ADV
ajst-17373	79	14	mechanized	mechanized	ADJ
ajst-17373	79	15	mining	mining	NOUN
ajst-17373	79	16	face	face	NOUN
ajst-17373	79	17	,	,	PUNCT
ajst-17373	79	18	various	various	ADJ
ajst-17373	79	19	technologies	technology	NOUN
ajst-17373	79	20	such	such	ADJ
ajst-17373	79	21	as	as	ADP
ajst-17373	79	22	installing	instal	VERB
ajst-17373	79	23	wind	wind	NOUN
ajst-17373	79	24	curtains	curtain	NOUN
ajst-17373	79	25	and	and	CCONJ
ajst-17373	79	26	guide	guide	VERB
ajst-17373	79	27	plates	plate	NOUN
ajst-17373	79	28	at	at	ADP
ajst-17373	79	29	the	the	DET
ajst-17373	79	30	head	head	NOUN
ajst-17373	79	31	and	and	CCONJ
ajst-17373	79	32	tail	tail	NOUN
ajst-17373	79	33	of	of	ADP
ajst-17373	79	34	the	the	DET
ajst-17373	79	35	machine	machine	NOUN
ajst-17373	79	36	,	,	PUNCT
ajst-17373	79	37	implementing	implement	VERB
ajst-17373	79	38	joint	joint	ADJ
ajst-17373	79	39	mining	mining	NOUN
ajst-17373	79	40	measures	measure	NOUN
ajst-17373	79	41	above	above	ADP
ajst-17373	79	42	and	and	CCONJ
ajst-17373	79	43	below	below	ADP
ajst-17373	79	44	the	the	DET
ajst-17373	79	45	shaft	shaft	NOUN
ajst-17373	79	46	,	,	PUNCT
ajst-17373	79	47	sealing	seal	VERB
ajst-17373	79	48	the	the	DET
ajst-17373	79	49	adjacent	adjacent	ADJ
ajst-17373	79	50	goaf	goaf	NOUN
ajst-17373	79	51	connecting	connect	VERB
ajst-17373	79	52	roadway	roadway	NOUN
ajst-17373	79	53	,	,	PUNCT
ajst-17373	79	54	uniform	uniform	ADJ
ajst-17373	79	55	pressure	pressure	NOUN
ajst-17373	79	56	ventilation	ventilation	NOUN
ajst-17373	79	57	,	,	PUNCT
ajst-17373	79	58	negative	negative	ADJ
ajst-17373	79	59	pressure	pressure	NOUN
ajst-17373	79	60	extraction	extraction	NOUN
ajst-17373	79	61	technology	technology	NOUN
ajst-17373	79	62	,	,	PUNCT
ajst-17373	79	63	monitoring	monitoring	NOUN
ajst-17373	79	64	and	and	CCONJ
ajst-17373	79	65	management	management	NOUN
ajst-17373	79	66	,	,	PUNCT
ajst-17373	79	67	etc	etc	X
ajst-17373	79	68	.	.	X
ajst-17373	79	69	were	be	AUX
ajst-17373	79	70	comprehensively	comprehensively	ADV
ajst-17373	79	71	managed	manage	VERB
ajst-17373	79	72	to	to	PART
ajst-17373	79	73	successfully	successfully	ADV
ajst-17373	79	74	solve	solve	VERB
ajst-17373	79	75	the	the	DET
ajst-17373	79	76	problem	problem	NOUN
ajst-17373	79	77	of	of	ADP
ajst-17373	79	78	low	low	ADJ
ajst-17373	79	79	oxygen	oxygen	NOUN
ajst-17373	79	80	in	in	ADP
ajst-17373	79	81	the	the	DET
ajst-17373	79	82	upper	upper	ADJ
ajst-17373	79	83	corner	corner	NOUN
ajst-17373	79	84	of	of	ADP
ajst-17373	79	85	the	the	DET
ajst-17373	79	86	return	return	NOUN
ajst-17373	79	87	air	air	NOUN
ajst-17373	79	88	in	in	ADP
ajst-17373	79	89	the	the	DET
ajst-17373	79	90	52506	52506	NUM
ajst-17373	79	91	fully	fully	ADV
ajst-17373	79	92	mechanized	mechanized	ADJ
ajst-17373	79	93	mining	mining	NOUN
ajst-17373	79	94	face	face	NOUN
ajst-17373	79	95	,	,	PUNCT
ajst-17373	79	96	ensuring	ensure	VERB
ajst-17373	79	97	the	the	DET
ajst-17373	79	98	safe	safe	ADJ
ajst-17373	79	99	production	production	NOUN
ajst-17373	79	100	of	of	ADP
ajst-17373	79	101	the	the	DET
ajst-17373	79	102	mining	mining	NOUN
ajst-17373	79	103	face	face	NOUN
ajst-17373	79	104	.	.	PUNCT
ajst-17373	80	1	acknowledgment	acknowledgment	NOUN
ajst-17373	80	2	the	the	DET
ajst-17373	80	3	study	study	NOUN
ajst-17373	80	4	was	be	AUX
ajst-17373	80	5	supported	support	VERB
ajst-17373	80	6	by	by	ADP
ajst-17373	80	7	national	national	ADJ
ajst-17373	80	8	natural	natural	PROPN
ajst-17373	80	9	science	science	PROPN
ajst-17373	80	10	foundation	foundation	NOUN
ajst-17373	80	11	project	project	NOUN
ajst-17373	80	12	(	(	PUNCT
ajst-17373	80	13	51204217	51204217	NUM
ajst-17373	80	14	)	)	PUNCT
ajst-17373	80	15	,	,	PUNCT
ajst-17373	80	16	chongqing	chongqe	VERB
ajst-17373	80	17	education	education	NOUN
ajst-17373	80	18	commission	commission	PROPN
ajst-17373	80	19	science	science	NOUN
ajst-17373	80	20	and	and	CCONJ
ajst-17373	80	21	technology	technology	NOUN
ajst-17373	80	22	research	research	NOUN
ajst-17373	80	23	project	project	NOUN
ajst-17373	80	24	(	(	PUNCT
ajst-17373	80	25	kjqn202003405	kjqn202003405	PROPN
ajst-17373	80	26	)	)	PUNCT
ajst-17373	80	27	.	.	PUNCT
ajst-17373	81	1	references	reference	NOUN
ajst-17373	81	2	[	[	X
ajst-17373	81	3	1	1	NUM
ajst-17373	81	4	]	]	X
ajst-17373	81	5	zhang	zhang	PROPN
ajst-17373	81	6	lihui	lihui	PROPN
ajst-17373	81	7	.	.	PUNCT
ajst-17373	81	8	prevention	prevention	PROPN
ajst-17373	81	9	and	and	CCONJ
ajst-17373	81	10	control	control	NOUN
ajst-17373	81	11	technology	technology	NOUN
ajst-17373	81	12	of	of	ADP
ajst-17373	81	13	low	low	ADJ
ajst-17373	81	14	oxygen	oxygen	NOUN
ajst-17373	81	15	in	in	ADP
ajst-17373	81	16	fully	fully	ADV
ajst-17373	81	17	mechanized	mechanized	ADJ
ajst-17373	81	18	coal	coal	NOUN
ajst-17373	81	19	mining	mining	NOUN
ajst-17373	81	20	face	face	NOUN
ajst-17373	81	21	with	with	ADP
ajst-17373	81	22	super	super	ADJ
ajst-17373	81	23	large	large	ADJ
ajst-17373	81	24	area	area	NOUN
ajst-17373	81	25	goaf	goaf	NOUN
ajst-17373	81	26	in	in	ADP
ajst-17373	81	27	shallow	shallow	ADJ
ajst-17373	81	28	seam	seam	NOUN
ajst-17373	81	29	prone	prone	ADJ
ajst-17373	81	30	to	to	ADP
ajst-17373	81	31	spontaneous	spontaneous	ADJ
ajst-17373	81	32	combustion	combustion	NOUN
ajst-17373	82	1	[	[	X
ajst-17373	82	2	j	j	X
ajst-17373	82	3	]	]	X
ajst-17373	82	4	.	.	PUNCT
ajst-17373	83	1	china	china	PROPN
ajst-17373	83	2	coal	coal	PROPN
ajst-17373	83	3	,	,	PUNCT
ajst-17373	83	4	2014	2014	NUM
ajst-17373	83	5	,	,	PUNCT
ajst-17373	83	6	40(s1	40(s1	NUM
ajst-17373	83	7	):	):	PUNCT
ajst-17373	83	8	73	73	NUM
ajst-17373	83	9	-	-	SYM
ajst-17373	83	10	77	77	NUM
ajst-17373	83	11	.	.	PUNCT
ajst-17373	84	1	[	[	X
ajst-17373	84	2	2	2	NUM
ajst-17373	84	3	]	]	X
ajst-17373	84	4	chi	chi	NOUN
ajst-17373	84	5	guoming	guoming	PROPN
ajst-17373	84	6	,	,	PUNCT
ajst-17373	84	7	zhang	zhang	PROPN
ajst-17373	84	8	lihui	lihui	PROPN
ajst-17373	84	9	,	,	PUNCT
ajst-17373	84	10	li	li	PROPN
ajst-17373	84	11	bin	bin	PROPN
ajst-17373	84	12	.	.	PUNCT
ajst-17373	84	13	prevention	prevention	PROPN
ajst-17373	84	14	and	and	CCONJ
ajst-17373	84	15	control	control	NOUN
ajst-17373	84	16	technology	technology	NOUN
ajst-17373	84	17	of	of	ADP
ajst-17373	84	18	low	low	ADJ
ajst-17373	84	19	oxygen	oxygen	NOUN
ajst-17373	84	20	in	in	ADP
ajst-17373	84	21	the	the	DET
ajst-17373	84	22	corner	corner	NOUN
ajst-17373	84	23	of	of	ADP
ajst-17373	84	24	fully	fully	ADV
ajst-17373	84	25	mechanized	mechanized	ADJ
ajst-17373	84	26	coal	coal	NOUN
ajst-17373	84	27	mining	mining	NOUN
ajst-17373	84	28	face	face	NOUN
ajst-17373	84	29	with	with	ADP
ajst-17373	84	30	large	large	ADJ
ajst-17373	84	31	mining	mining	NOUN
ajst-17373	84	32	height	height	NOUN
ajst-17373	84	33	in	in	ADP
ajst-17373	84	34	shallow	shallow	ADJ
ajst-17373	84	35	buried	bury	VERB
ajst-17373	84	36	and	and	CCONJ
ajst-17373	84	37	close	close	ADJ
ajst-17373	84	38	distance	distance	NOUN
ajst-17373	84	39	coal	coal	NOUN
ajst-17373	84	40	seam	seam	NOUN
ajst-17373	84	41	group	group	NOUN
ajst-17373	85	1	[	[	X
ajst-17373	85	2	j	j	X
ajst-17373	85	3	]	]	X
ajst-17373	85	4	.	.	PUNCT
ajst-17373	86	1	safety	safety	NOUN
ajst-17373	86	2	in	in	ADP
ajst-17373	86	3	coal	coal	NOUN
ajst-17373	86	4	mines	mine	NOUN
ajst-17373	86	5	,	,	PUNCT
ajst-17373	86	6	2018	2018	NUM
ajst-17373	86	7	,	,	PUNCT
ajst-17373	86	8	49(s1	49(s1	NUM
ajst-17373	86	9	):	):	PUNCT
ajst-17373	86	10	22	22	NUM
ajst-17373	86	11	-	-	SYM
ajst-17373	86	12	26	26	NUM
ajst-17373	86	13	.	.	PUNCT
ajst-17373	87	1	[	[	X
ajst-17373	87	2	3	3	NUM
ajst-17373	87	3	]	]	X
ajst-17373	87	4	jian	jian	PROPN
ajst-17373	87	5	yuerong	yuerong	PROPN
ajst-17373	87	6	.	.	PUNCT
ajst-17373	88	1	research	research	NOUN
ajst-17373	88	2	on	on	ADP
ajst-17373	88	3	prevention	prevention	NOUN
ajst-17373	88	4	and	and	CCONJ
ajst-17373	88	5	control	control	NOUN
ajst-17373	88	6	of	of	ADP
ajst-17373	88	7	low	low	ADJ
ajst-17373	88	8	oxygen	oxygen	NOUN
ajst-17373	88	9	in	in	ADP
ajst-17373	88	10	the	the	DET
ajst-17373	88	11	return	return	NOUN
ajst-17373	88	12	air	air	NOUN
ajst-17373	88	13	corner	corner	NOUN
ajst-17373	88	14	of	of	ADP
ajst-17373	88	15	coal	coal	NOUN
ajst-17373	88	16	mining	mining	NOUN
ajst-17373	88	17	face	face	NOUN
ajst-17373	88	18	in	in	ADP
ajst-17373	88	19	close	close	ADJ
ajst-17373	88	20	distance	distance	NOUN
ajst-17373	88	21	coal	coal	NOUN
ajst-17373	88	22	seam	seam	NOUN
ajst-17373	88	23	group	group	NOUN
ajst-17373	89	1	[	[	X
ajst-17373	89	2	j	j	X
ajst-17373	89	3	]	]	X
ajst-17373	89	4	.	.	PUNCT
ajst-17373	90	1	coal	coal	NOUN
ajst-17373	90	2	engineering	engineering	NOUN
ajst-17373	90	3	,	,	PUNCT
ajst-17373	90	4	2018	2018	NUM
ajst-17373	90	5	,	,	PUNCT
ajst-17373	90	6	50(s1	50(s1	NUM
ajst-17373	90	7	):	):	PUNCT
ajst-17373	90	8	94	94	NUM
ajst-17373	90	9	-	-	SYM
ajst-17373	90	10	96	96	NUM
ajst-17373	90	11	.	.	PUNCT
ajst-17373	91	1	[	[	X
ajst-17373	91	2	4	4	X
ajst-17373	91	3	]	]	X
ajst-17373	91	4	qin	qin	PROPN
ajst-17373	91	5	jiangtao	jiangtao	PROPN
ajst-17373	91	6	,	,	PUNCT
ajst-17373	91	7	yang	yang	PROPN
ajst-17373	91	8	chun	chun	PROPN
ajst-17373	91	9	,	,	PUNCT
ajst-17373	91	10	pang	pang	PROPN
ajst-17373	91	11	cheng	cheng	PROPN
ajst-17373	91	12	,	,	PUNCT
ajst-17373	91	13	et	et	PROPN
ajst-17373	92	1	al	al	PROPN
ajst-17373	92	2	.	.	PUNCT
ajst-17373	92	3	application	application	NOUN
ajst-17373	92	4	experiment	experiment	NOUN
ajst-17373	92	5	of	of	ADP
ajst-17373	92	6	a	a	DET
ajst-17373	92	7	-	-	PUNCT
ajst-17373	92	8	b	b	NOUN
ajst-17373	92	9	glue	glue	NOUN
ajst-17373	92	10	sealing	seal	VERB
ajst-17373	92	11	technology	technology	NOUN
ajst-17373	92	12	in	in	ADP
ajst-17373	92	13	coal	coal	NOUN
ajst-17373	92	14	mine	mine	NOUN
ajst-17373	92	15	crosslayer	crosslayer	NOUN
ajst-17373	92	16	extraction	extraction	NOUN
ajst-17373	92	17	boreholes	borehole	NOUN
ajst-17373	93	1	[	[	X
ajst-17373	93	2	j	j	X
ajst-17373	93	3	]	]	X
ajst-17373	93	4	.	.	PUNCT
ajst-17373	94	1	mining	mining	NOUN
ajst-17373	94	2	safety	safety	NOUN
ajst-17373	94	3	and	and	CCONJ
ajst-17373	94	4	environmental	environmental	ADJ
ajst-17373	94	5	protection	protection	NOUN
ajst-17373	94	6	,	,	PUNCT
ajst-17373	94	7	2013	2013	NUM
ajst-17373	94	8	,	,	PUNCT
ajst-17373	94	9	40(6	40(6	NOUN
ajst-17373	94	10	):	):	PUNCT
ajst-17373	94	11	77	77	NUM
ajst-17373	94	12	-	-	SYM
ajst-17373	94	13	78	78	NUM
ajst-17373	94	14	.	.	PUNCT
ajst-17373	95	1	[	[	X
ajst-17373	95	2	5	5	NUM
ajst-17373	95	3	]	]	X
ajst-17373	95	4	zhang	zhang	PROPN
ajst-17373	95	5	jie	jie	PROPN
ajst-17373	95	6	,	,	PUNCT
ajst-17373	95	7	zhang	zhang	PROPN
ajst-17373	95	8	jianchen	jianchen	PROPN
ajst-17373	95	9	,	,	PUNCT
ajst-17373	95	10	liu	liu	PROPN
ajst-17373	95	11	qingzhou	qingzhou	PROPN
ajst-17373	95	12	,	,	PUNCT
ajst-17373	95	13	et	et	PROPN
ajst-17373	95	14	al	al	PROPN
ajst-17373	95	15	.	.	PROPN
ajst-17373	95	16	study	study	NOUN
ajst-17373	95	17	on	on	ADP
ajst-17373	95	18	the	the	DET
ajst-17373	95	19	development	development	NOUN
ajst-17373	95	20	of	of	ADP
ajst-17373	95	21	roof	roof	NOUN
ajst-17373	95	22	crack	crack	NOUN
ajst-17373	95	23	and	and	CCONJ
ajst-17373	95	24	air	air	NOUN
ajst-17373	95	25	leakage	leakage	NOUN
ajst-17373	95	26	law	law	NOUN
ajst-17373	95	27	in	in	ADP
ajst-17373	95	28	shallow	shallow	ADJ
ajst-17373	95	29	buried	bury	VERB
ajst-17373	95	30	fully	fully	ADV
ajst-17373	95	31	mechanized	mechanized	ADJ
ajst-17373	95	32	coal	coal	NOUN
ajst-17373	95	33	mining	mining	NOUN
ajst-17373	95	34	face	face	NOUN
ajst-17373	96	1	[	[	X
ajst-17373	96	2	j	j	X
ajst-17373	96	3	]	]	X
ajst-17373	96	4	.	.	PUNCT
ajst-17373	97	1	coal	coal	NOUN
ajst-17373	97	2	engineering	engineering	NOUN
ajst-17373	97	3	,	,	PUNCT
ajst-17373	97	4	2021	2021	NUM
ajst-17373	97	5	,	,	PUNCT
ajst-17373	97	6	53(3	53(3	NUM
ajst-17373	97	7	):	):	PUNCT
ajst-17373	97	8	118	118	NUM
ajst-17373	97	9	-	-	SYM
ajst-17373	97	10	123	123	NUM
ajst-17373	97	11	.	.	PUNCT
ajst-17373	98	1	[	[	X
ajst-17373	98	2	6	6	NUM
ajst-17373	98	3	]	]	PUNCT
ajst-17373	98	4	tian	tian	PROPN
ajst-17373	98	5	yao	yao	PROPN
ajst-17373	98	6	,	,	PUNCT
ajst-17373	98	7	yang	yang	PROPN
ajst-17373	98	8	chenghao	chenghao	PROPN
ajst-17373	98	9	,	,	PUNCT
ajst-17373	98	10	sun	sun	PROPN
ajst-17373	98	11	quanji	quanji	PROPN
ajst-17373	98	12	,	,	PUNCT
ajst-17373	98	13	et	et	PROPN
ajst-17373	98	14	al	al	PROPN
ajst-17373	98	15	.	.	PROPN
ajst-17373	98	16	study	study	PROPN
ajst-17373	98	17	on	on	ADP
ajst-17373	98	18	air	air	NOUN
ajst-17373	98	19	leakage	leakage	NOUN
ajst-17373	98	20	law	law	NOUN
ajst-17373	98	21	of	of	ADP
ajst-17373	98	22	u	u	NOUN
ajst-17373	98	23	-	-	ADJ
ajst-17373	98	24	type	type	ADJ
ajst-17373	98	25	ventilation	ventilation	NOUN
ajst-17373	98	26	coal	coal	NOUN
ajst-17373	98	27	mine	mine	NOUN
ajst-17373	98	28	face	face	VERB
ajst-17373	99	1	[	[	X
ajst-17373	99	2	j	j	X
ajst-17373	99	3	]	]	X
ajst-17373	99	4	.	.	PUNCT
ajst-17373	100	1	coal	coal	NOUN
ajst-17373	100	2	engineering	engineering	NOUN
ajst-17373	100	3	,	,	PUNCT
ajst-17373	100	4	2020	2020	NUM
ajst-17373	100	5	,	,	PUNCT
ajst-17373	100	6	52(12	52(12	NUM
ajst-17373	100	7	):	):	PUNCT
ajst-17373	100	8	132	132	NUM
ajst-17373	100	9	-	-	SYM
ajst-17373	100	10	136	136	NUM
ajst-17373	100	11	.	.	PUNCT
ajst-17373	101	1	[	[	X
ajst-17373	101	2	7	7	X
ajst-17373	101	3	]	]	X
ajst-17373	101	4	zhao	zhao	PROPN
ajst-17373	101	5	lufei	lufei	PROPN
ajst-17373	101	6	.	.	PUNCT
ajst-17373	102	1	research	research	NOUN
ajst-17373	102	2	on	on	ADP
ajst-17373	102	3	the	the	DET
ajst-17373	102	4	causes	cause	NOUN
ajst-17373	102	5	and	and	CCONJ
ajst-17373	102	6	prevention	prevention	NOUN
ajst-17373	102	7	methods	method	NOUN
ajst-17373	102	8	of	of	ADP
ajst-17373	102	9	low	low	ADJ
ajst-17373	102	10	oxygen	oxygen	NOUN
ajst-17373	102	11	in	in	ADP
ajst-17373	102	12	the	the	DET
ajst-17373	102	13	working	work	VERB
ajst-17373	102	14	face	face	NOUN
ajst-17373	102	15	of	of	ADP
ajst-17373	102	16	bulianta	bulianta	PROPN
ajst-17373	102	17	coal	coal	NOUN
ajst-17373	102	18	mine	mine	NOUN
ajst-17373	103	1	[	[	X
ajst-17373	103	2	d	d	X
ajst-17373	103	3	]	]	X
ajst-17373	103	4	.	.	PUNCT
ajst-17373	104	1	xuzhou	xuzhou	PROPN
ajst-17373	104	2	:	:	PUNCT
ajst-17373	104	3	china	china	PROPN
ajst-17373	104	4	university	university	PROPN
ajst-17373	104	5	of	of	ADP
ajst-17373	104	6	mining	mining	NOUN
ajst-17373	104	7	and	and	CCONJ
ajst-17373	104	8	technology	technology	NOUN
ajst-17373	104	9	,	,	PUNCT
ajst-17373	104	10	2020	2020	NUM
ajst-17373	104	11	.	.	PUNCT
ajst-17373	105	1	[	[	X
ajst-17373	105	2	8	8	NUM
ajst-17373	105	3	]	]	X
ajst-17373	105	4	guo	guo	PROPN
ajst-17373	105	5	jinyi	jinyi	PROPN
ajst-17373	105	6	.	.	PUNCT
ajst-17373	106	1	research	research	NOUN
ajst-17373	106	2	on	on	ADP
ajst-17373	106	3	the	the	DET
ajst-17373	106	4	application	application	NOUN
ajst-17373	106	5	of	of	ADP
ajst-17373	106	6	pressure	pressure	NOUN
ajst-17373	106	7	equalization	equalization	NOUN
ajst-17373	106	8	technology	technology	NOUN
ajst-17373	106	9	in	in	ADP
ajst-17373	106	10	the	the	DET
ajst-17373	106	11	treatment	treatment	NOUN
ajst-17373	106	12	of	of	ADP
ajst-17373	106	13	low	low	ADJ
ajst-17373	106	14	oxygen	oxygen	NOUN
ajst-17373	106	15	problem	problem	NOUN
ajst-17373	106	16	in	in	ADP
ajst-17373	106	17	the	the	DET
ajst-17373	106	18	return	return	NOUN
ajst-17373	106	19	air	air	NOUN
ajst-17373	106	20	corner	corner	NOUN
ajst-17373	106	21	of	of	ADP
ajst-17373	106	22	fully	fully	ADV
ajst-17373	106	23	mechanized	mechanized	ADJ
ajst-17373	106	24	coal	coal	NOUN
ajst-17373	106	25	mining	mining	NOUN
ajst-17373	106	26	face	face	NOUN
ajst-17373	107	1	[	[	X
ajst-17373	107	2	j	j	X
ajst-17373	107	3	]	]	X
ajst-17373	107	4	.	.	PUNCT
ajst-17373	108	1	coal	coal	NOUN
ajst-17373	108	2	engineering	engineering	NOUN
ajst-17373	108	3	,	,	PUNCT
ajst-17373	108	4	2017	2017	NUM
ajst-17373	108	5	,	,	PUNCT
ajst-17373	108	6	49(s2	49(s2	NUM
ajst-17373	108	7	):	):	PUNCT
ajst-17373	108	8	146	146	NUM
ajst-17373	108	9	-	-	SYM
ajst-17373	108	10	148	148	NUM
ajst-17373	108	11	.	.	PUNCT
ajst-17373	109	1	[	[	X
ajst-17373	109	2	9	9	NUM
ajst-17373	109	3	]	]	X
ajst-17373	109	4	sun	sun	PROPN
ajst-17373	109	5	bingcheng	bingcheng	PROPN
ajst-17373	109	6	,	,	PUNCT
ajst-17373	109	7	du	du	PROPN
ajst-17373	109	8	changang	changang	PROPN
ajst-17373	109	9	,	,	PUNCT
ajst-17373	109	10	ding	ding	NOUN
ajst-17373	109	11	wenlong	wenlong	NOUN
ajst-17373	109	12	,	,	PUNCT
ajst-17373	109	13	et	et	PROPN
ajst-17373	109	14	al	al	PROPN
ajst-17373	109	15	.	.	PROPN
ajst-17373	109	16	research	research	NOUN
ajst-17373	109	17	and	and	CCONJ
ajst-17373	109	18	application	application	NOUN
ajst-17373	109	19	of	of	ADP
ajst-17373	109	20	pressure	pressure	NOUN
ajst-17373	109	21	equalization	equalization	NOUN
ajst-17373	109	22	ventilation	ventilation	NOUN
ajst-17373	109	23	technology	technology	NOUN
ajst-17373	109	24	in	in	ADP
ajst-17373	109	25	fully	fully	ADV
ajst-17373	109	26	mechanized	mechanized	ADJ
ajst-17373	109	27	coal	coal	NOUN
ajst-17373	109	28	mining	mining	NOUN
ajst-17373	109	29	face	face	NOUN
ajst-17373	109	30	with	with	ADP
ajst-17373	109	31	steeply	steeply	ADJ
ajst-17373	109	32	inclined	inclined	ADJ
ajst-17373	109	33	thick	thick	ADJ
ajst-17373	109	34	coal	coal	NOUN
ajst-17373	109	35	seam	seam	NOUN
ajst-17373	110	1	[	[	X
ajst-17373	110	2	j	j	X
ajst-17373	110	3	]	]	X
ajst-17373	110	4	.	.	PUNCT
ajst-17373	111	1	coal	coal	NOUN
ajst-17373	111	2	engineering	engineering	NOUN
ajst-17373	111	3	,	,	PUNCT
ajst-17373	111	4	2021	2021	NUM
ajst-17373	111	5	,	,	PUNCT
ajst-17373	111	6	53(6	53(6	NUM
ajst-17373	111	7	):	):	PUNCT
ajst-17373	111	8	77	77	NUM
ajst-17373	111	9	-	-	SYM
ajst-17373	111	10	81	81	NUM
ajst-17373	111	11	.	.	PUNCT
ajst-17373	112	1	[	[	X
ajst-17373	112	2	10	10	NUM
ajst-17373	112	3	]	]	X
ajst-17373	112	4	pan	pan	NOUN
ajst-17373	112	5	rongkun	rongkun	PROPN
ajst-17373	112	6	,	,	PUNCT
ajst-17373	112	7	liu	liu	PROPN
ajst-17373	112	8	wei	wei	PROPN
ajst-17373	112	9	,	,	PUNCT
ajst-17373	112	10	li	li	PROPN
ajst-17373	112	11	huaizhen	huaizhen	PROPN
ajst-17373	112	12	,	,	PUNCT
ajst-17373	112	13	et	et	PROPN
ajst-17373	112	14	al	al	PROPN
ajst-17373	112	15	.	.	PUNCT
ajst-17373	113	1	the	the	DET
ajst-17373	113	2	causes	cause	NOUN
ajst-17373	113	3	and	and	CCONJ
ajst-17373	113	4	comprehensive	comprehensive	ADJ
ajst-17373	113	5	prevention	prevention	NOUN
ajst-17373	113	6	technology	technology	NOUN
ajst-17373	113	7	of	of	ADP
ajst-17373	113	8	oxygen	oxygen	NOUN
ajst-17373	113	9	deficiency	deficiency	NOUN
ajst-17373	113	10	in	in	ADP
ajst-17373	113	11	the	the	DET
ajst-17373	113	12	upper	upper	ADJ
ajst-17373	113	13	corner	corner	NOUN
ajst-17373	113	14	of	of	ADP
ajst-17373	113	15	shallow	shallow	ADJ
ajst-17373	113	16	buried	bury	VERB
ajst-17373	113	17	and	and	CCONJ
ajst-17373	113	18	close	close	ADJ
ajst-17373	113	19	distance	distance	NOUN
ajst-17373	113	20	coal	coal	NOUN
ajst-17373	113	21	seam	seam	NOUN
ajst-17373	113	22	group	group	NOUN
ajst-17373	114	1	[	[	X
ajst-17373	114	2	j	j	X
ajst-17373	114	3	]	]	X
ajst-17373	114	4	.	.	PUNCT
ajst-17373	115	1	coal	coal	NOUN
ajst-17373	115	2	science	science	NOUN
ajst-17373	115	3	and	and	CCONJ
ajst-17373	115	4	technology	technology	NOUN
ajst-17373	115	5	,	,	PUNCT
ajst-17373	115	6	2021	2021	NUM
ajst-17373	115	7	,	,	PUNCT
ajst-17373	115	8	49(2	49(2	NUM
ajst-17373	115	9	):	):	PUNCT
ajst-17373	115	10	102	102	NUM
ajst-17373	115	11	-	-	SYM
ajst-17373	115	12	108	108	NUM
ajst-17373	115	13	.	.	PUNCT
ajst-17373	116	1	[	[	X
ajst-17373	116	2	11	11	NUM
ajst-17373	116	3	]	]	PUNCT
ajst-17373	116	4	wang	wang	PROPN
ajst-17373	116	5	guilin	guilin	PROPN
ajst-17373	116	6	,	,	PUNCT
ajst-17373	116	7	zhao	zhao	PROPN
ajst-17373	116	8	jinbo	jinbo	PROPN
ajst-17373	116	9	,	,	PUNCT
ajst-17373	116	10	hou	hou	PROPN
ajst-17373	116	11	kaida	kaida	PROPN
ajst-17373	116	12	,	,	PUNCT
ajst-17373	116	13	et	et	PROPN
ajst-17373	116	14	al	al	PROPN
ajst-17373	116	15	.	.	PROPN
ajst-17373	116	16	research	research	NOUN
ajst-17373	116	17	on	on	ADP
ajst-17373	116	18	the	the	DET
ajst-17373	116	19	causes	cause	NOUN
ajst-17373	116	20	and	and	CCONJ
ajst-17373	116	21	treatment	treatment	NOUN
ajst-17373	116	22	of	of	ADP
ajst-17373	116	23	low	low	ADJ
ajst-17373	116	24	oxygen	oxygen	NOUN
ajst-17373	116	25	in	in	ADP
ajst-17373	116	26	the	the	DET
ajst-17373	116	27	working	work	VERB
ajst-17373	116	28	face	face	NOUN
ajst-17373	116	29	of	of	ADP
ajst-17373	116	30	no	no	NOUN
ajst-17373	116	31	.	.	PUNCT
ajst-17373	116	32	22104	22104	NUM
ajst-17373	116	33	in	in	ADP
ajst-17373	116	34	shangwan	shangwan	PROPN
ajst-17373	116	35	coal	coal	NOUN
ajst-17373	116	36	mine	mine	NOUN
ajst-17373	117	1	[	[	X
ajst-17373	117	2	j	j	X
ajst-17373	117	3	]	]	X
ajst-17373	117	4	.	.	PUNCT
ajst-17373	118	1	coal	coal	NOUN
ajst-17373	118	2	engineering	engineering	NOUN
ajst-17373	118	3	,	,	PUNCT
ajst-17373	118	4	2022	2022	NUM
ajst-17373	118	5	,	,	PUNCT
ajst-17373	118	6	54(6	54(6	NUM
ajst-17373	118	7	):	):	PUNCT
ajst-17373	118	8	70	70	NUM
ajst-17373	118	9	-	-	SYM
ajst-17373	118	10	74	74	NUM
ajst-17373	118	11	.	.	PUNCT