id	sid	tid	token	lemma	pos
ajst-2528	1	1	academic	academic	ADJ
ajst-2528	1	2	journal	journal	NOUN
ajst-2528	1	3	of	of	ADP
ajst-2528	1	4	science	science	NOUN
ajst-2528	1	5	and	and	CCONJ
ajst-2528	1	6	technology	technology	NOUN
ajst-2528	1	7	issn	issn	NOUN
ajst-2528	1	8	:	:	PUNCT
ajst-2528	1	9	2771	2771	NUM
ajst-2528	1	10	-	-	SYM
ajst-2528	1	11	3032	3032	NUM
ajst-2528	1	12	|	|	NOUN
ajst-2528	1	13	vol	vol	NOUN
ajst-2528	1	14	.	.	PROPN
ajst-2528	2	1	3	3	NUM
ajst-2528	2	2	,	,	PUNCT
ajst-2528	2	3	no	no	INTJ
ajst-2528	2	4	.	.	NOUN
ajst-2528	2	5	3	3	NUM
ajst-2528	2	6	,	,	PUNCT
ajst-2528	2	7	2022	2022	NUM
ajst-2528	2	8	18	18	NUM
ajst-2528	2	9	research	research	NOUN
ajst-2528	2	10	progress	progress	NOUN
ajst-2528	2	11	on	on	ADP
ajst-2528	2	12	spontaneous	spontaneous	ADJ
ajst-2528	2	13	combustion	combustion	NOUN
ajst-2528	2	14	characteristics	characteristic	NOUN
ajst-2528	2	15	of	of	ADP
ajst-2528	2	16	coal	coal	NOUN
ajst-2528	2	17	qiangyan	qiangyan	PROPN
ajst-2528	2	18	xie	xie	PROPN
ajst-2528	2	19	ccteg	ccteg	PROPN
ajst-2528	2	20	chongqing	chongqing	PROPN
ajst-2528	2	21	research	research	PROPN
ajst-2528	2	22	institute	institute	PROPN
ajst-2528	2	23	,	,	PUNCT
ajst-2528	2	24	chongqing	chongqe	VERB
ajst-2528	2	25	400037	400037	NUM
ajst-2528	2	26	,	,	PUNCT
ajst-2528	2	27	china	china	PROPN
ajst-2528	2	28	abstract	abstract	NOUN
ajst-2528	2	29	:	:	PUNCT
ajst-2528	2	30	based	base	VERB
ajst-2528	2	31	on	on	ADP
ajst-2528	2	32	coal	coal	NOUN
ajst-2528	2	33	spontaneous	spontaneous	ADJ
ajst-2528	2	34	combustion	combustion	NOUN
ajst-2528	2	35	characteristics	characteristic	NOUN
ajst-2528	2	36	under	under	ADP
ajst-2528	2	37	different	different	ADJ
ajst-2528	2	38	influence	influence	NOUN
ajst-2528	2	39	differ	differ	VERB
ajst-2528	2	40	greatly	greatly	ADV
ajst-2528	2	41	.	.	PUNCT
ajst-2528	3	1	the	the	DET
ajst-2528	3	2	oxidation	oxidation	NOUN
ajst-2528	3	3	mechanism	mechanism	NOUN
ajst-2528	3	4	of	of	ADP
ajst-2528	3	5	coal	coal	NOUN
ajst-2528	3	6	is	be	AUX
ajst-2528	3	7	reviewed	review	VERB
ajst-2528	3	8	.	.	PUNCT
ajst-2528	4	1	the	the	DET
ajst-2528	4	2	surface	surface	NOUN
ajst-2528	4	3	active	active	ADJ
ajst-2528	4	4	functional	functional	ADJ
ajst-2528	4	5	groups	group	NOUN
ajst-2528	4	6	of	of	ADP
ajst-2528	4	7	coal	coal	NOUN
ajst-2528	4	8	which	which	PRON
ajst-2528	4	9	influence	influence	VERB
ajst-2528	4	10	the	the	DET
ajst-2528	4	11	spontaneous	spontaneous	ADJ
ajst-2528	4	12	combustion	combustion	NOUN
ajst-2528	4	13	characteristics	characteristic	NOUN
ajst-2528	4	14	of	of	ADP
ajst-2528	4	15	coal	coal	NOUN
ajst-2528	4	16	were	be	AUX
ajst-2528	4	17	studied	study	VERB
ajst-2528	4	18	.	.	PUNCT
ajst-2528	5	1	the	the	DET
ajst-2528	5	2	factors	factor	NOUN
ajst-2528	5	3	affecting	affect	VERB
ajst-2528	5	4	spontaneous	spontaneous	ADJ
ajst-2528	5	5	combustion	combustion	NOUN
ajst-2528	5	6	of	of	ADP
ajst-2528	5	7	coal	coal	NOUN
ajst-2528	5	8	were	be	AUX
ajst-2528	5	9	analyzed	analyze	VERB
ajst-2528	5	10	,	,	PUNCT
ajst-2528	5	11	including	include	VERB
ajst-2528	5	12	volatile	volatile	ADJ
ajst-2528	5	13	matter	matter	NOUN
ajst-2528	5	14	,	,	PUNCT
ajst-2528	5	15	ash	ash	NOUN
ajst-2528	5	16	,	,	PUNCT
ajst-2528	5	17	moisture	moisture	NOUN
ajst-2528	5	18	content	content	NOUN
ajst-2528	5	19	and	and	CCONJ
ajst-2528	5	20	metal	metal	NOUN
ajst-2528	5	21	elements	element	NOUN
ajst-2528	5	22	.	.	PUNCT
ajst-2528	6	1	it	it	PRON
ajst-2528	6	2	provides	provide	VERB
ajst-2528	6	3	reference	reference	NOUN
ajst-2528	6	4	and	and	CCONJ
ajst-2528	6	5	guidance	guidance	NOUN
ajst-2528	6	6	for	for	ADP
ajst-2528	6	7	further	further	ADJ
ajst-2528	6	8	study	study	NOUN
ajst-2528	6	9	of	of	ADP
ajst-2528	6	10	coal	coal	NOUN
ajst-2528	6	11	spontaneous	spontaneous	ADJ
ajst-2528	6	12	combustion	combustion	NOUN
ajst-2528	6	13	characteristics	characteristic	NOUN
ajst-2528	6	14	.	.	PUNCT
ajst-2528	7	1	keywords	keyword	NOUN
ajst-2528	7	2	:	:	PUNCT
ajst-2528	7	3	coal	coal	NOUN
ajst-2528	7	4	spontaneous	spontaneous	ADJ
ajst-2528	7	5	combustion	combustion	NOUN
ajst-2528	7	6	,	,	PUNCT
ajst-2528	7	7	low	low	ADJ
ajst-2528	7	8	-	-	PUNCT
ajst-2528	7	9	temperature	temperature	NOUN
ajst-2528	7	10	oxidation	oxidation	NOUN
ajst-2528	7	11	of	of	ADP
ajst-2528	7	12	coal	coal	NOUN
ajst-2528	7	13	,	,	PUNCT
ajst-2528	7	14	influencing	influence	VERB
ajst-2528	7	15	factors	factor	NOUN
ajst-2528	7	16	.	.	PUNCT
ajst-2528	8	1	1	1	X
ajst-2528	8	2	.	.	X
ajst-2528	8	3	introduction	introduction	NOUN
ajst-2528	8	4	coal	coal	NOUN
ajst-2528	8	5	mine	mine	NOUN
ajst-2528	8	6	fire	fire	NOUN
ajst-2528	8	7	would	would	AUX
ajst-2528	8	8	produce	produce	VERB
ajst-2528	8	9	smoke	smoke	NOUN
ajst-2528	8	10	and	and	CCONJ
ajst-2528	8	11	soot	soot	NOUN
ajst-2528	8	12	,	,	PUNCT
ajst-2528	8	13	which	which	PRON
ajst-2528	8	14	would	would	AUX
ajst-2528	8	15	affect	affect	VERB
ajst-2528	8	16	the	the	DET
ajst-2528	8	17	work	work	NOUN
ajst-2528	8	18	efficiency	efficiency	NOUN
ajst-2528	8	19	and	and	CCONJ
ajst-2528	8	20	health	health	NOUN
ajst-2528	8	21	of	of	ADP
ajst-2528	8	22	workers	worker	NOUN
ajst-2528	8	23	.	.	PUNCT
ajst-2528	9	1	and	and	CCONJ
ajst-2528	9	2	coal	coal	NOUN
ajst-2528	9	3	mine	mine	NOUN
ajst-2528	9	4	fire	fire	NOUN
ajst-2528	9	5	would	would	AUX
ajst-2528	9	6	produce	produce	VERB
ajst-2528	9	7	large	large	ADJ
ajst-2528	9	8	amounts	amount	NOUN
ajst-2528	9	9	of	of	ADP
ajst-2528	9	10	greenhouse	greenhouse	NOUN
ajst-2528	9	11	gases	gas	NOUN
ajst-2528	9	12	,	,	PUNCT
ajst-2528	9	13	greenhouse	greenhouse	NOUN
ajst-2528	9	14	gas	gas	NOUN
ajst-2528	9	15	emissions	emission	NOUN
ajst-2528	9	16	easily	easily	ADV
ajst-2528	9	17	for	for	ADP
ajst-2528	9	18	open	open	ADJ
ajst-2528	9	19	-	-	PUNCT
ajst-2528	9	20	pit	pit	NOUN
ajst-2528	9	21	coal	coal	NOUN
ajst-2528	9	22	mine	mine	NOUN
ajst-2528	9	23	,	,	PUNCT
ajst-2528	9	24	impact	impact	NOUN
ajst-2528	9	25	on	on	ADP
ajst-2528	9	26	atmospheric	atmospheric	ADJ
ajst-2528	9	27	environment	environment	NOUN
ajst-2528	9	28	,	,	PUNCT
ajst-2528	9	29	for	for	ADP
ajst-2528	9	30	underground	underground	ADJ
ajst-2528	9	31	coal	coal	NOUN
ajst-2528	9	32	mine	mine	NOUN
ajst-2528	9	33	,	,	PUNCT
ajst-2528	9	34	gas	gas	NOUN
ajst-2528	9	35	emissions	emission	NOUN
ajst-2528	9	36	is	be	AUX
ajst-2528	9	37	not	not	PART
ajst-2528	9	38	easy	easy	ADJ
ajst-2528	9	39	,	,	PUNCT
ajst-2528	9	40	but	but	CCONJ
ajst-2528	9	41	in	in	ADP
ajst-2528	9	42	the	the	DET
ajst-2528	9	43	accumulation	accumulation	NOUN
ajst-2528	9	44	of	of	ADP
ajst-2528	9	45	roadway	roadway	NOUN
ajst-2528	9	46	,	,	PUNCT
ajst-2528	9	47	the	the	DET
ajst-2528	9	48	action	action	NOUN
ajst-2528	9	49	of	of	ADP
ajst-2528	9	50	external	external	ADJ
ajst-2528	9	51	force	force	NOUN
ajst-2528	9	52	would	would	AUX
ajst-2528	9	53	appear	appear	VERB
ajst-2528	9	54	deflagration	deflagration	NOUN
ajst-2528	9	55	,	,	PUNCT
ajst-2528	9	56	pouring	pouring	NOUN
ajst-2528	9	57	,	,	PUNCT
ajst-2528	9	58	gas	gas	NOUN
ajst-2528	9	59	suffocation	suffocation	NOUN
ajst-2528	9	60	accidents	accident	NOUN
ajst-2528	9	61	,	,	PUNCT
ajst-2528	9	62	easy	easy	ADJ
ajst-2528	9	63	to	to	PART
ajst-2528	9	64	cause	cause	VERB
ajst-2528	9	65	the	the	DET
ajst-2528	9	66	secondary	secondary	ADJ
ajst-2528	9	67	accidents	accident	NOUN
ajst-2528	9	68	.	.	PUNCT
ajst-2528	10	1	some	some	DET
ajst-2528	10	2	coal	coal	NOUN
ajst-2528	10	3	mines	mine	NOUN
ajst-2528	10	4	with	with	ADP
ajst-2528	10	5	high	high	ADJ
ajst-2528	10	6	sulfur	sulfur	NOUN
ajst-2528	10	7	content	content	NOUN
ajst-2528	10	8	would	would	AUX
ajst-2528	10	9	emit	emit	VERB
ajst-2528	10	10	a	a	DET
ajst-2528	10	11	large	large	ADJ
ajst-2528	10	12	amount	amount	NOUN
ajst-2528	10	13	of	of	ADP
ajst-2528	10	14	sulfur	sulfur	NOUN
ajst-2528	10	15	oxides	oxide	NOUN
ajst-2528	10	16	after	after	ADP
ajst-2528	10	17	spontaneous	spontaneous	ADJ
ajst-2528	10	18	combustion	combustion	NOUN
ajst-2528	10	19	,	,	PUNCT
ajst-2528	10	20	which	which	PRON
ajst-2528	10	21	would	would	AUX
ajst-2528	10	22	cause	cause	VERB
ajst-2528	10	23	acid	acid	ADJ
ajst-2528	10	24	rain	rain	NOUN
ajst-2528	10	25	and	and	CCONJ
ajst-2528	10	26	other	other	ADJ
ajst-2528	10	27	hazards[1	hazards[1	NOUN
ajst-2528	10	28	-	-	SYM
ajst-2528	10	29	2	2	NUM
ajst-2528	10	30	]	]	PUNCT
ajst-2528	10	31	.	.	PUNCT
ajst-2528	11	1	moreover	moreover	ADV
ajst-2528	11	2	,	,	PUNCT
ajst-2528	11	3	the	the	DET
ajst-2528	11	4	season	season	NOUN
ajst-2528	11	5	has	have	VERB
ajst-2528	11	6	a	a	DET
ajst-2528	11	7	certain	certain	ADJ
ajst-2528	11	8	influence	influence	NOUN
ajst-2528	11	9	on	on	ADP
ajst-2528	11	10	the	the	DET
ajst-2528	11	11	opencast	opencast	ADJ
ajst-2528	11	12	coal	coal	NOUN
ajst-2528	11	13	mine	mine	NOUN
ajst-2528	11	14	.	.	PUNCT
ajst-2528	12	1	in	in	ADP
ajst-2528	12	2	the	the	DET
ajst-2528	12	3	season	season	NOUN
ajst-2528	12	4	of	of	ADP
ajst-2528	12	5	drought	drought	NOUN
ajst-2528	12	6	,	,	PUNCT
ajst-2528	12	7	high	high	ADJ
ajst-2528	12	8	temperature	temperature	NOUN
ajst-2528	12	9	and	and	CCONJ
ajst-2528	12	10	strong	strong	ADJ
ajst-2528	12	11	wind	wind	NOUN
ajst-2528	12	12	,	,	PUNCT
ajst-2528	12	13	fire	fire	NOUN
ajst-2528	12	14	is	be	AUX
ajst-2528	12	15	more	more	ADV
ajst-2528	12	16	likely	likely	ADJ
ajst-2528	12	17	to	to	PART
ajst-2528	12	18	occur	occur	VERB
ajst-2528	12	19	.	.	PUNCT
ajst-2528	13	1	in	in	ADP
ajst-2528	13	2	the	the	DET
ajst-2528	13	3	process	process	NOUN
ajst-2528	13	4	of	of	ADP
ajst-2528	13	5	coal	coal	NOUN
ajst-2528	13	6	accumulation	accumulation	NOUN
ajst-2528	13	7	,	,	PUNCT
ajst-2528	13	8	the	the	DET
ajst-2528	13	9	factors	factor	NOUN
ajst-2528	13	10	caused	cause	VERB
ajst-2528	13	11	by	by	ADP
ajst-2528	13	12	these	these	DET
ajst-2528	13	13	seasons	season	NOUN
ajst-2528	13	14	would	would	AUX
ajst-2528	13	15	reduce	reduce	VERB
ajst-2528	13	16	the	the	DET
ajst-2528	13	17	evaporation	evaporation	NOUN
ajst-2528	13	18	of	of	ADP
ajst-2528	13	19	water	water	NOUN
ajst-2528	13	20	in	in	ADP
ajst-2528	13	21	the	the	DET
ajst-2528	13	22	coal	coal	NOUN
ajst-2528	13	23	,	,	PUNCT
ajst-2528	13	24	and	and	CCONJ
ajst-2528	13	25	fully	fully	ADV
ajst-2528	13	26	react	react	VERB
ajst-2528	13	27	with	with	ADP
ajst-2528	13	28	oxygen	oxygen	NOUN
ajst-2528	13	29	,	,	PUNCT
ajst-2528	13	30	saving	save	VERB
ajst-2528	13	31	the	the	DET
ajst-2528	13	32	heat	heat	NOUN
ajst-2528	13	33	generated	generate	VERB
ajst-2528	13	34	by	by	ADP
ajst-2528	13	35	oxidation	oxidation	NOUN
ajst-2528	13	36	.	.	PUNCT
ajst-2528	14	1	when	when	SCONJ
ajst-2528	14	2	the	the	DET
ajst-2528	14	3	heat	heat	NOUN
ajst-2528	14	4	reaches	reach	VERB
ajst-2528	14	5	the	the	DET
ajst-2528	14	6	ignition	ignition	NOUN
ajst-2528	14	7	point	point	NOUN
ajst-2528	14	8	of	of	ADP
ajst-2528	14	9	the	the	DET
ajst-2528	14	10	coal	coal	NOUN
ajst-2528	14	11	itself	itself	PRON
ajst-2528	14	12	,	,	PUNCT
ajst-2528	14	13	it	it	PRON
ajst-2528	14	14	would	would	AUX
ajst-2528	14	15	lead	lead	VERB
ajst-2528	14	16	to	to	ADP
ajst-2528	14	17	spontaneous	spontaneous	ADJ
ajst-2528	14	18	combustion[3	combustion[3	NOUN
ajst-2528	14	19	-	-	PUNCT
ajst-2528	14	20	4	4	NUM
ajst-2528	14	21	]	]	PUNCT
ajst-2528	14	22	.	.	PUNCT
ajst-2528	15	1	once	once	ADV
ajst-2528	15	2	a	a	DET
ajst-2528	15	3	coal	coal	NOUN
ajst-2528	15	4	fire	fire	NOUN
ajst-2528	15	5	occurs	occur	VERB
ajst-2528	15	6	,	,	PUNCT
ajst-2528	15	7	it	it	PRON
ajst-2528	15	8	is	be	AUX
ajst-2528	15	9	very	very	ADV
ajst-2528	15	10	difficult	difficult	ADJ
ajst-2528	15	11	to	to	PART
ajst-2528	15	12	extinguish	extinguish	VERB
ajst-2528	15	13	the	the	DET
ajst-2528	15	14	fire	fire	NOUN
ajst-2528	15	15	due	due	ADP
ajst-2528	15	16	to	to	ADP
ajst-2528	15	17	the	the	DET
ajst-2528	15	18	high	high	ADJ
ajst-2528	15	19	temperature	temperature	NOUN
ajst-2528	15	20	and	and	CCONJ
ajst-2528	15	21	ventilation	ventilation	NOUN
ajst-2528	15	22	of	of	ADP
ajst-2528	15	23	the	the	DET
ajst-2528	15	24	roadway	roadway	NOUN
ajst-2528	15	25	.	.	PUNCT
ajst-2528	16	1	therefore	therefore	ADV
ajst-2528	16	2	,	,	PUNCT
ajst-2528	16	3	preventing	prevent	VERB
ajst-2528	16	4	coal	coal	NOUN
ajst-2528	16	5	fire	fire	NOUN
ajst-2528	16	6	is	be	AUX
ajst-2528	16	7	very	very	ADV
ajst-2528	16	8	important	important	ADJ
ajst-2528	16	9	in	in	ADP
ajst-2528	16	10	coal	coal	NOUN
ajst-2528	16	11	mining	mining	NOUN
ajst-2528	16	12	and	and	CCONJ
ajst-2528	16	13	storage[5	storage[5	PROPN
ajst-2528	16	14	]	]	PUNCT
ajst-2528	16	15	.	.	PUNCT
ajst-2528	17	1	the	the	DET
ajst-2528	17	2	accident	accident	NOUN
ajst-2528	17	3	injury	injury	NOUN
ajst-2528	17	4	caused	cause	VERB
ajst-2528	17	5	by	by	ADP
ajst-2528	17	6	fire	fire	NOUN
ajst-2528	17	7	accident	accident	NOUN
ajst-2528	17	8	is	be	AUX
ajst-2528	17	9	aggravated	aggravate	VERB
ajst-2528	17	10	,	,	PUNCT
ajst-2528	17	11	so	so	CCONJ
ajst-2528	17	12	it	it	PRON
ajst-2528	17	13	is	be	AUX
ajst-2528	17	14	very	very	ADV
ajst-2528	17	15	important	important	ADJ
ajst-2528	17	16	to	to	PART
ajst-2528	17	17	explore	explore	VERB
ajst-2528	17	18	the	the	DET
ajst-2528	17	19	influencing	influence	VERB
ajst-2528	17	20	factors	factor	NOUN
ajst-2528	17	21	of	of	ADP
ajst-2528	17	22	coal	coal	NOUN
ajst-2528	17	23	low	low	ADJ
ajst-2528	17	24	-	-	PUNCT
ajst-2528	17	25	temperature	temperature	NOUN
ajst-2528	17	26	oxidation	oxidation	NOUN
ajst-2528	17	27	process	process	NOUN
ajst-2528	17	28	.	.	PUNCT
ajst-2528	18	1	2	2	X
ajst-2528	18	2	.	.	X
ajst-2528	18	3	theory	theory	NOUN
ajst-2528	18	4	of	of	ADP
ajst-2528	18	5	coal	coal	NOUN
ajst-2528	18	6	spontaneous	spontaneous	ADJ
ajst-2528	18	7	combustion	combustion	NOUN
ajst-2528	18	8	mechanism	mechanism	NOUN
ajst-2528	18	9	by	by	ADP
ajst-2528	18	10	studying	study	VERB
ajst-2528	18	11	the	the	DET
ajst-2528	18	12	complex	complex	ADJ
ajst-2528	18	13	physical	physical	ADJ
ajst-2528	18	14	and	and	CCONJ
ajst-2528	18	15	chemical	chemical	ADJ
ajst-2528	18	16	reactions	reaction	NOUN
ajst-2528	18	17	in	in	ADP
ajst-2528	18	18	the	the	DET
ajst-2528	18	19	process	process	NOUN
ajst-2528	18	20	of	of	ADP
ajst-2528	18	21	coal	coal	NOUN
ajst-2528	18	22	oxidation	oxidation	NOUN
ajst-2528	18	23	,	,	PUNCT
ajst-2528	18	24	many	many	ADJ
ajst-2528	18	25	scholars	scholar	NOUN
ajst-2528	18	26	have	have	AUX
ajst-2528	18	27	explored	explore	VERB
ajst-2528	18	28	the	the	DET
ajst-2528	18	29	mechanism	mechanism	NOUN
ajst-2528	18	30	of	of	ADP
ajst-2528	18	31	coal	coal	NOUN
ajst-2528	18	32	oxidation	oxidation	NOUN
ajst-2528	18	33	and	and	CCONJ
ajst-2528	18	34	obtained	obtain	VERB
ajst-2528	18	35	a	a	DET
ajst-2528	18	36	variety	variety	NOUN
ajst-2528	18	37	of	of	ADP
ajst-2528	18	38	hypotheses	hypothesis	NOUN
ajst-2528	18	39	of	of	ADP
ajst-2528	18	40	coal	coal	NOUN
ajst-2528	18	41	spontaneous	spontaneous	ADJ
ajst-2528	18	42	combustion	combustion	NOUN
ajst-2528	18	43	.	.	PUNCT
ajst-2528	19	1	(	(	PUNCT
ajst-2528	19	2	1	1	X
ajst-2528	19	3	)	)	PUNCT
ajst-2528	19	4	pyrite	pyrite	NOUN
ajst-2528	19	5	theory	theory	NOUN
ajst-2528	19	6	:	:	PUNCT
ajst-2528	19	7	it	it	PRON
ajst-2528	19	8	was	be	AUX
ajst-2528	19	9	put	put	VERB
ajst-2528	19	10	forward	forward	ADV
ajst-2528	19	11	by	by	ADP
ajst-2528	19	12	british	british	ADJ
ajst-2528	19	13	scholars	scholars	PROPN
ajst-2528	19	14	plolt	plolt	NOUN
ajst-2528	19	15	and	and	CCONJ
ajst-2528	19	16	berzelius	berzelius	NOUN
ajst-2528	19	17	in	in	ADP
ajst-2528	19	18	the	the	DET
ajst-2528	19	19	17th	17th	ADJ
ajst-2528	19	20	century	century	NOUN
ajst-2528	19	21	.	.	PUNCT
ajst-2528	20	1	they	they	PRON
ajst-2528	20	2	believed	believe	VERB
ajst-2528	20	3	that	that	SCONJ
ajst-2528	20	4	the	the	DET
ajst-2528	20	5	spontaneous	spontaneous	ADJ
ajst-2528	20	6	combustion	combustion	NOUN
ajst-2528	20	7	of	of	ADP
ajst-2528	20	8	coal	coal	NOUN
ajst-2528	20	9	was	be	AUX
ajst-2528	20	10	mainly	mainly	ADV
ajst-2528	20	11	due	due	ADP
ajst-2528	20	12	to	to	ADP
ajst-2528	20	13	the	the	DET
ajst-2528	20	14	fact	fact	NOUN
ajst-2528	20	15	that	that	SCONJ
ajst-2528	20	16	iron	iron	NOUN
ajst-2528	20	17	disulphide	disulphide	NOUN
ajst-2528	20	18	in	in	ADP
ajst-2528	20	19	coal	coal	NOUN
ajst-2528	20	20	reacted	react	VERB
ajst-2528	20	21	with	with	ADP
ajst-2528	20	22	oxygen	oxygen	NOUN
ajst-2528	20	23	and	and	CCONJ
ajst-2528	20	24	water	water	NOUN
ajst-2528	20	25	around	around	ADP
ajst-2528	20	26	to	to	PART
ajst-2528	20	27	release	release	VERB
ajst-2528	20	28	heat	heat	NOUN
ajst-2528	20	29	and	and	CCONJ
ajst-2528	20	30	accumulated	accumulate	VERB
ajst-2528	20	31	enough	enough	ADJ
ajst-2528	20	32	heat	heat	NOUN
ajst-2528	20	33	to	to	PART
ajst-2528	20	34	make	make	VERB
ajst-2528	20	35	coal	coal	NOUN
ajst-2528	20	36	spontaneous	spontaneous	ADJ
ajst-2528	20	37	combustion	combustion	NOUN
ajst-2528	21	1	[	[	X
ajst-2528	21	2	6,7	6,7	NUM
ajst-2528	21	3	]	]	PUNCT
ajst-2528	21	4	.	.	PUNCT
ajst-2528	22	1	(	(	PUNCT
ajst-2528	22	2	2	2	X
ajst-2528	22	3	)	)	PUNCT
ajst-2528	22	4	bacterial	bacterial	ADJ
ajst-2528	22	5	causation	causation	NOUN
ajst-2528	22	6	theory	theory	NOUN
ajst-2528	22	7	:	:	PUNCT
ajst-2528	22	8	it	it	PRON
ajst-2528	22	9	was	be	AUX
ajst-2528	22	10	proposed	propose	VERB
ajst-2528	22	11	by	by	ADP
ajst-2528	22	12	british	british	ADJ
ajst-2528	22	13	scholars	scholars	PROPN
ajst-2528	22	14	potter	potter	PROPN
ajst-2528	22	15	and	and	CCONJ
ajst-2528	22	16	m.c	m.c	PROPN
ajst-2528	22	17	.	.	PROPN
ajst-2528	22	18	,	,	PUNCT
ajst-2528	22	19	et	et	PROPN
ajst-2528	22	20	al	al	PROPN
ajst-2528	22	21	.	.	PROPN
ajst-2528	22	22	,	,	PUNCT
ajst-2528	22	23	in	in	ADP
ajst-2528	22	24	1927	1927	NUM
ajst-2528	22	25	,	,	PUNCT
ajst-2528	22	26	and	and	CCONJ
ajst-2528	22	27	they	they	PRON
ajst-2528	22	28	mainly	mainly	ADV
ajst-2528	22	29	believed	believe	VERB
ajst-2528	22	30	that	that	SCONJ
ajst-2528	22	31	coal	coal	NOUN
ajst-2528	22	32	spontaneous	spontaneous	ADJ
ajst-2528	22	33	combustion	combustion	NOUN
ajst-2528	22	34	was	be	AUX
ajst-2528	22	35	caused	cause	VERB
ajst-2528	22	36	by	by	ADP
ajst-2528	22	37	bacterial	bacterial	ADJ
ajst-2528	22	38	fermentation	fermentation	NOUN
ajst-2528	22	39	,	,	PUNCT
ajst-2528	22	40	which	which	PRON
ajst-2528	22	41	made	make	VERB
ajst-2528	22	42	coal	coal	NOUN
ajst-2528	22	43	generate	generate	NOUN
ajst-2528	22	44	heat	heat	NOUN
ajst-2528	22	45	and	and	CCONJ
ajst-2528	22	46	make	make	VERB
ajst-2528	22	47	coal	coal	NOUN
ajst-2528	22	48	spontaneous	spontaneous	ADJ
ajst-2528	22	49	combustion	combustion	NOUN
ajst-2528	22	50	under	under	ADP
ajst-2528	22	51	the	the	DET
ajst-2528	22	52	condition	condition	NOUN
ajst-2528	22	53	of	of	ADP
ajst-2528	22	54	continuous	continuous	ADJ
ajst-2528	22	55	heat	heat	NOUN
ajst-2528	22	56	storage	storage	NOUN
ajst-2528	22	57	[	[	X
ajst-2528	22	58	8	8	NUM
ajst-2528	22	59	]	]	PUNCT
ajst-2528	22	60	.	.	PUNCT
ajst-2528	23	1	(	(	PUNCT
ajst-2528	23	2	3	3	X
ajst-2528	23	3	)	)	PUNCT
ajst-2528	23	4	phenolic	phenolic	ADJ
ajst-2528	23	5	origin	origin	NOUN
ajst-2528	23	6	theory	theory	NOUN
ajst-2528	23	7	:	:	PUNCT
ajst-2528	23	8	it	it	PRON
ajst-2528	23	9	was	be	AUX
ajst-2528	23	10	proposed	propose	VERB
ajst-2528	23	11	that	that	SCONJ
ajst-2528	23	12	unsaturated	unsaturated	ADJ
ajst-2528	23	13	phenolic	phenolic	ADJ
ajst-2528	23	14	compounds	compound	NOUN
ajst-2528	23	15	in	in	ADP
ajst-2528	23	16	coal	coal	NOUN
ajst-2528	23	17	are	be	AUX
ajst-2528	23	18	oxidized	oxidize	VERB
ajst-2528	23	19	by	by	ADP
ajst-2528	23	20	oxygen	oxygen	NOUN
ajst-2528	23	21	in	in	ADP
ajst-2528	23	22	the	the	DET
ajst-2528	23	23	air	air	NOUN
ajst-2528	23	24	,	,	PUNCT
ajst-2528	23	25	leading	lead	VERB
ajst-2528	23	26	to	to	ADP
ajst-2528	23	27	spontaneous	spontaneous	ADJ
ajst-2528	23	28	combustion	combustion	NOUN
ajst-2528	23	29	of	of	ADP
ajst-2528	23	30	coal	coal	NOUN
ajst-2528	23	31	.	.	PUNCT
ajst-2528	24	1	(	(	PUNCT
ajst-2528	24	2	4	4	X
ajst-2528	24	3	)	)	PUNCT
ajst-2528	24	4	theory	theory	NOUN
ajst-2528	24	5	of	of	ADP
ajst-2528	24	6	free	free	ADJ
ajst-2528	24	7	radical	radical	ADJ
ajst-2528	24	8	action	action	NOUN
ajst-2528	24	9	:	:	PUNCT
ajst-2528	24	10	it	it	PRON
ajst-2528	24	11	was	be	AUX
ajst-2528	24	12	proposed	propose	VERB
ajst-2528	24	13	that	that	SCONJ
ajst-2528	24	14	when	when	SCONJ
ajst-2528	24	15	coal	coal	NOUN
ajst-2528	24	16	is	be	AUX
ajst-2528	24	17	subjected	subject	VERB
ajst-2528	24	18	to	to	ADP
ajst-2528	24	19	external	external	ADJ
ajst-2528	24	20	force	force	NOUN
ajst-2528	24	21	,	,	PUNCT
ajst-2528	24	22	covalent	covalent	ADJ
ajst-2528	24	23	bond	bond	NOUN
ajst-2528	24	24	of	of	ADP
ajst-2528	24	25	coal	coal	NOUN
ajst-2528	24	26	itself	itself	PRON
ajst-2528	24	27	would	would	AUX
ajst-2528	24	28	be	be	AUX
ajst-2528	24	29	broken	break	VERB
ajst-2528	24	30	,	,	PUNCT
ajst-2528	24	31	and	and	CCONJ
ajst-2528	24	32	when	when	SCONJ
ajst-2528	24	33	covalent	covalent	ADJ
ajst-2528	24	34	bond	bond	NOUN
ajst-2528	24	35	is	be	AUX
ajst-2528	24	36	broken	break	VERB
ajst-2528	24	37	,	,	PUNCT
ajst-2528	24	38	a	a	DET
ajst-2528	24	39	large	large	ADJ
ajst-2528	24	40	number	number	NOUN
ajst-2528	24	41	of	of	ADP
ajst-2528	24	42	free	free	ADJ
ajst-2528	24	43	radicals	radical	NOUN
ajst-2528	24	44	would	would	AUX
ajst-2528	24	45	be	be	AUX
ajst-2528	24	46	generated	generate	VERB
ajst-2528	24	47	.	.	PUNCT
ajst-2528	25	1	free	free	ADJ
ajst-2528	25	2	radicals	radical	NOUN
ajst-2528	25	3	may	may	AUX
ajst-2528	25	4	exist	exist	VERB
ajst-2528	25	5	not	not	PART
ajst-2528	25	6	only	only	ADV
ajst-2528	25	7	on	on	ADP
ajst-2528	25	8	the	the	DET
ajst-2528	25	9	surface	surface	NOUN
ajst-2528	25	10	of	of	ADP
ajst-2528	25	11	coal	coal	NOUN
ajst-2528	25	12	,	,	PUNCT
ajst-2528	25	13	but	but	CCONJ
ajst-2528	25	14	also	also	ADV
ajst-2528	25	15	in	in	ADP
ajst-2528	25	16	cracks	crack	NOUN
ajst-2528	25	17	formed	form	VERB
ajst-2528	25	18	when	when	SCONJ
ajst-2528	25	19	coal	coal	NOUN
ajst-2528	25	20	is	be	AUX
ajst-2528	25	21	damaged	damage	VERB
ajst-2528	25	22	.	.	PUNCT
ajst-2528	26	1	these	these	DET
ajst-2528	26	2	free	free	ADJ
ajst-2528	26	3	radicals	radical	NOUN
ajst-2528	26	4	react	react	VERB
ajst-2528	26	5	with	with	ADP
ajst-2528	26	6	oxygen	oxygen	NOUN
ajst-2528	26	7	to	to	PART
ajst-2528	26	8	cause	cause	VERB
ajst-2528	26	9	spontaneous	spontaneous	ADJ
ajst-2528	26	10	combustion	combustion	NOUN
ajst-2528	26	11	.	.	PUNCT
ajst-2528	27	1	(	(	PUNCT
ajst-2528	27	2	5	5	X
ajst-2528	27	3	)	)	PUNCT
ajst-2528	27	4	coal	coal	NOUN
ajst-2528	27	5	-	-	PUNCT
ajst-2528	27	6	oxygen	oxygen	NOUN
ajst-2528	27	7	complex	complex	ADJ
ajst-2528	27	8	theory	theory	NOUN
ajst-2528	27	9	[	[	X
ajst-2528	27	10	9,10	9,10	NUM
ajst-2528	27	11	]	]	PUNCT
ajst-2528	27	12	:	:	PUNCT
ajst-2528	27	13	according	accord	VERB
ajst-2528	27	14	to	to	ADP
ajst-2528	27	15	this	this	DET
ajst-2528	27	16	theory	theory	NOUN
ajst-2528	27	17	,	,	PUNCT
ajst-2528	27	18	when	when	SCONJ
ajst-2528	27	19	the	the	DET
ajst-2528	27	20	coal	coal	NOUN
ajst-2528	27	21	sample	sample	NOUN
ajst-2528	27	22	is	be	AUX
ajst-2528	27	23	completely	completely	ADV
ajst-2528	27	24	exposed	expose	VERB
ajst-2528	27	25	in	in	ADP
ajst-2528	27	26	the	the	DET
ajst-2528	27	27	atmosphere	atmosphere	NOUN
ajst-2528	27	28	,	,	PUNCT
ajst-2528	27	29	it	it	PRON
ajst-2528	27	30	may	may	AUX
ajst-2528	27	31	react	react	VERB
ajst-2528	27	32	with	with	ADP
ajst-2528	27	33	oxygen	oxygen	NOUN
ajst-2528	27	34	in	in	ADP
ajst-2528	27	35	the	the	DET
ajst-2528	27	36	air	air	NOUN
ajst-2528	27	37	,	,	PUNCT
ajst-2528	27	38	and	and	CCONJ
ajst-2528	27	39	certain	certain	ADJ
ajst-2528	27	40	heat	heat	NOUN
ajst-2528	27	41	would	would	AUX
ajst-2528	27	42	be	be	AUX
ajst-2528	27	43	generated	generate	VERB
ajst-2528	27	44	in	in	ADP
ajst-2528	27	45	the	the	DET
ajst-2528	27	46	reaction	reaction	NOUN
ajst-2528	27	47	.	.	PUNCT
ajst-2528	28	1	when	when	SCONJ
ajst-2528	28	2	the	the	DET
ajst-2528	28	3	generated	generate	VERB
ajst-2528	28	4	heat	heat	NOUN
ajst-2528	28	5	accumulates	accumulate	VERB
ajst-2528	28	6	to	to	ADP
ajst-2528	28	7	a	a	DET
ajst-2528	28	8	certain	certain	ADJ
ajst-2528	28	9	extent	extent	NOUN
ajst-2528	28	10	,	,	PUNCT
ajst-2528	28	11	the	the	DET
ajst-2528	28	12	temperature	temperature	NOUN
ajst-2528	28	13	of	of	ADP
ajst-2528	28	14	the	the	DET
ajst-2528	28	15	coal	coal	NOUN
ajst-2528	28	16	seam	seam	NOUN
ajst-2528	28	17	would	would	AUX
ajst-2528	28	18	continue	continue	VERB
ajst-2528	28	19	to	to	PART
ajst-2528	28	20	rise	rise	VERB
ajst-2528	28	21	,	,	PUNCT
ajst-2528	28	22	which	which	PRON
ajst-2528	28	23	may	may	AUX
ajst-2528	28	24	lead	lead	VERB
ajst-2528	28	25	to	to	ADP
ajst-2528	28	26	spontaneous	spontaneous	ADJ
ajst-2528	28	27	combustion	combustion	NOUN
ajst-2528	28	28	of	of	ADP
ajst-2528	28	29	the	the	DET
ajst-2528	28	30	coal	coal	NOUN
ajst-2528	28	31	seam	seam	NOUN
ajst-2528	28	32	.	.	PUNCT
ajst-2528	29	1	however	however	ADV
ajst-2528	29	2	,	,	PUNCT
ajst-2528	29	3	not	not	PART
ajst-2528	29	4	all	all	DET
ajst-2528	29	5	coal	coal	NOUN
ajst-2528	29	6	would	would	AUX
ajst-2528	29	7	spontaneously	spontaneously	ADV
ajst-2528	29	8	ignite	ignite	VERB
ajst-2528	29	9	after	after	ADP
ajst-2528	29	10	the	the	DET
ajst-2528	29	11	oxidation	oxidation	NOUN
ajst-2528	29	12	process	process	NOUN
ajst-2528	29	13	.	.	PUNCT
ajst-2528	30	1	this	this	DET
ajst-2528	30	2	hypothesis	hypothesis	NOUN
ajst-2528	30	3	has	have	AUX
ajst-2528	30	4	been	be	AUX
ajst-2528	30	5	proved	prove	VERB
ajst-2528	30	6	in	in	ADP
ajst-2528	30	7	laboratory	laboratory	NOUN
ajst-2528	30	8	and	and	CCONJ
ajst-2528	30	9	field	field	NOUN
ajst-2528	30	10	practice	practice	NOUN
ajst-2528	30	11	.	.	PUNCT
ajst-2528	31	1	academic	academic	ADJ
ajst-2528	31	2	experts	expert	NOUN
ajst-2528	31	3	at	at	ADP
ajst-2528	31	4	home	home	ADV
ajst-2528	31	5	and	and	CCONJ
ajst-2528	31	6	abroad	abroad	ADV
ajst-2528	31	7	have	have	AUX
ajst-2528	31	8	done	do	VERB
ajst-2528	31	9	a	a	DET
ajst-2528	31	10	lot	lot	NOUN
ajst-2528	31	11	of	of	ADP
ajst-2528	31	12	experiments	experiment	NOUN
ajst-2528	31	13	to	to	PART
ajst-2528	31	14	explore	explore	VERB
ajst-2528	31	15	whether	whether	SCONJ
ajst-2528	31	16	coal	coal	NOUN
ajst-2528	31	17	spontaneous	spontaneous	ADJ
ajst-2528	31	18	combustion	combustion	NOUN
ajst-2528	31	19	is	be	AUX
ajst-2528	31	20	related	relate	VERB
ajst-2528	31	21	to	to	ADP
ajst-2528	31	22	oxygen	oxygen	NOUN
ajst-2528	31	23	.	.	PUNCT
ajst-2528	32	1	they	they	PRON
ajst-2528	32	2	take	take	VERB
ajst-2528	32	3	the	the	DET
ajst-2528	32	4	oxygen	oxygen	NOUN
ajst-2528	32	5	consumption	consumption	NOUN
ajst-2528	32	6	and	and	CCONJ
ajst-2528	32	7	consumption	consumption	NOUN
ajst-2528	32	8	rate	rate	NOUN
ajst-2528	32	9	of	of	ADP
ajst-2528	32	10	coal	coal	NOUN
ajst-2528	32	11	in	in	ADP
ajst-2528	32	12	the	the	DET
ajst-2528	32	13	process	process	NOUN
ajst-2528	32	14	of	of	ADP
ajst-2528	32	15	spontaneous	spontaneous	ADJ
ajst-2528	32	16	combustion	combustion	NOUN
ajst-2528	32	17	as	as	ADP
ajst-2528	32	18	the	the	DET
ajst-2528	32	19	basis	basis	NOUN
ajst-2528	32	20	,	,	PUNCT
ajst-2528	32	21	and	and	CCONJ
ajst-2528	32	22	put	put	VERB
ajst-2528	32	23	forward	forward	ADV
ajst-2528	32	24	the	the	DET
ajst-2528	32	25	coal	coal	NOUN
ajst-2528	32	26	-	-	PUNCT
ajst-2528	32	27	oxygen	oxygen	NOUN
ajst-2528	32	28	composite	composite	ADJ
ajst-2528	32	29	theory	theory	NOUN
ajst-2528	32	30	of	of	ADP
ajst-2528	32	31	coal	coal	NOUN
ajst-2528	32	32	spontaneous	spontaneous	ADJ
ajst-2528	32	33	combustion	combustion	NOUN
ajst-2528	32	34	.	.	PUNCT
ajst-2528	33	1	the	the	DET
ajst-2528	33	2	chinese	chinese	PROPN
ajst-2528	33	3	coal	coal	PROPN
ajst-2528	33	4	research	research	PROPN
ajst-2528	33	5	institute	institute	NOUN
ajst-2528	33	6	put	put	VERB
ajst-2528	33	7	forward	forward	ADP
ajst-2528	33	8	the	the	DET
ajst-2528	33	9	chromatographic	chromatographic	ADJ
ajst-2528	33	10	oxygen	oxygen	NOUN
ajst-2528	33	11	absorption	absorption	NOUN
ajst-2528	33	12	identification	identification	NOUN
ajst-2528	33	13	method	method	NOUN
ajst-2528	33	14	,	,	PUNCT
ajst-2528	33	15	which	which	PRON
ajst-2528	33	16	determines	determine	VERB
ajst-2528	33	17	the	the	DET
ajst-2528	33	18	difficulty	difficulty	NOUN
ajst-2528	33	19	of	of	ADP
ajst-2528	33	20	coal	coal	NOUN
ajst-2528	33	21	spontaneous	spontaneous	ADJ
ajst-2528	33	22	combustion	combustion	NOUN
ajst-2528	33	23	by	by	ADP
ajst-2528	33	24	measuring	measure	VERB
ajst-2528	33	25	the	the	DET
ajst-2528	33	26	oxygen	oxygen	NOUN
ajst-2528	33	27	absorption	absorption	NOUN
ajst-2528	33	28	of	of	ADP
ajst-2528	33	29	1	1	NUM
ajst-2528	33	30	g	g	NOUN
ajst-2528	33	31	coal	coal	NOUN
ajst-2528	33	32	under	under	ADP
ajst-2528	33	33	the	the	DET
ajst-2528	33	34	test	test	NOUN
ajst-2528	33	35	conditions	condition	NOUN
ajst-2528	33	36	by	by	ADP
ajst-2528	33	37	the	the	DET
ajst-2528	33	38	coal	coal	NOUN
ajst-2528	33	39	spontaneous	spontaneous	ADJ
ajst-2528	33	40	combustion	combustion	NOUN
ajst-2528	33	41	instrument	instrument	NOUN
ajst-2528	33	42	.	.	PUNCT
ajst-2528	34	1	it	it	PRON
ajst-2528	34	2	can	can	AUX
ajst-2528	34	3	be	be	AUX
ajst-2528	34	4	seen	see	VERB
ajst-2528	34	5	from	from	ADP
ajst-2528	34	6	the	the	DET
ajst-2528	34	7	previous	previous	ADJ
ajst-2528	34	8	academic	academic	ADJ
ajst-2528	34	9	research	research	NOUN
ajst-2528	34	10	results	result	VERB
ajst-2528	34	11	that	that	SCONJ
ajst-2528	34	12	the	the	DET
ajst-2528	34	13	coal	coal	NOUN
ajst-2528	34	14	-	-	PUNCT
ajst-2528	34	15	oxygen	oxygen	NOUN
ajst-2528	34	16	composite	composite	ADJ
ajst-2528	34	17	theory	theory	NOUN
ajst-2528	34	18	has	have	VERB
ajst-2528	34	19	a	a	DET
ajst-2528	34	20	positive	positive	ADJ
ajst-2528	34	21	effect	effect	NOUN
ajst-2528	34	22	on	on	ADP
ajst-2528	34	23	the	the	DET
ajst-2528	34	24	judgment	judgment	NOUN
ajst-2528	34	25	of	of	ADP
ajst-2528	34	26	the	the	DET
ajst-2528	34	27	tendency	tendency	NOUN
ajst-2528	34	28	of	of	ADP
ajst-2528	34	29	coal	coal	NOUN
ajst-2528	34	30	spontaneous	spontaneous	ADJ
ajst-2528	34	31	combustion	combustion	NOUN
ajst-2528	34	32	,	,	PUNCT
ajst-2528	34	33	but	but	CCONJ
ajst-2528	34	34	there	there	PRON
ajst-2528	34	35	is	be	VERB
ajst-2528	34	36	no	no	DET
ajst-2528	34	37	in	in	ADP
ajst-2528	34	38	-	-	PUNCT
ajst-2528	34	39	depth	depth	NOUN
ajst-2528	34	40	explanation	explanation	NOUN
ajst-2528	34	41	of	of	ADP
ajst-2528	34	42	the	the	DET
ajst-2528	34	43	principle	principle	NOUN
ajst-2528	34	44	of	of	ADP
ajst-2528	34	45	coal	coal	NOUN
ajst-2528	34	46	spontaneous	spontaneous	ADJ
ajst-2528	34	47	combustion	combustion	NOUN
ajst-2528	34	48	in	in	ADP
ajst-2528	34	49	these	these	DET
ajst-2528	34	50	literatures	literature	NOUN
ajst-2528	34	51	.	.	PUNCT
ajst-2528	35	1	many	many	ADJ
ajst-2528	35	2	scholars	scholar	NOUN
ajst-2528	35	3	have	have	AUX
ajst-2528	35	4	proposed	propose	VERB
ajst-2528	35	5	many	many	ADJ
ajst-2528	35	6	reaction	reaction	NOUN
ajst-2528	35	7	models	model	NOUN
ajst-2528	35	8	based	base	VERB
ajst-2528	35	9	on	on	ADP
ajst-2528	35	10	the	the	DET
ajst-2528	35	11	action	action	NOUN
ajst-2528	35	12	hypothesis	hypothesis	NOUN
ajst-2528	35	13	of	of	ADP
ajst-2528	35	14	coal	coal	NOUN
ajst-2528	35	15	samples	sample	NOUN
ajst-2528	35	16	,	,	PUNCT
ajst-2528	35	17	such	such	ADJ
ajst-2528	35	18	as	as	ADP
ajst-2528	35	19	those	those	PRON
ajst-2528	35	20	proposed	propose	VERB
ajst-2528	35	21	by	by	ADP
ajst-2528	35	22	kam	kam	PROPN
ajst-2528	36	1	[	[	X
ajst-2528	36	2	11	11	NUM
ajst-2528	36	3	]	]	PUNCT
ajst-2528	36	4	,	,	PUNCT
ajst-2528	36	5	karsner[12	karsner[12	PROPN
ajst-2528	36	6	]	]	X
ajst-2528	36	7	and	and	CCONJ
ajst-2528	36	8	itay[13	itay[13	NOUN
ajst-2528	36	9	]	]	X
ajst-2528	36	10	.	.	PUNCT
ajst-2528	37	1	in	in	ADP
ajst-2528	37	2	these	these	DET
ajst-2528	37	3	19	19	NUM
ajst-2528	37	4	reaction	reaction	NOUN
ajst-2528	37	5	models	model	NOUN
ajst-2528	37	6	,	,	PUNCT
ajst-2528	37	7	they	they	PRON
ajst-2528	37	8	all	all	PRON
ajst-2528	37	9	believe	believe	VERB
ajst-2528	37	10	that	that	SCONJ
ajst-2528	37	11	an	an	DET
ajst-2528	37	12	important	important	ADJ
ajst-2528	37	13	reaction	reaction	NOUN
ajst-2528	37	14	process	process	NOUN
ajst-2528	37	15	in	in	ADP
ajst-2528	37	16	the	the	DET
ajst-2528	37	17	process	process	NOUN
ajst-2528	37	18	of	of	ADP
ajst-2528	37	19	coal	coal	NOUN
ajst-2528	37	20	spontaneous	spontaneous	ADJ
ajst-2528	37	21	combustion	combustion	NOUN
ajst-2528	37	22	is	be	AUX
ajst-2528	37	23	coal	coal	NOUN
ajst-2528	37	24	oxidation	oxidation	NOUN
ajst-2528	37	25	adsorption	adsorption	NOUN
ajst-2528	37	26	reaction	reaction	NOUN
ajst-2528	37	27	.	.	PUNCT
ajst-2528	38	1	figure	figure	NOUN
ajst-2528	38	2	1	1	NUM
ajst-2528	38	3	.	.	PUNCT
ajst-2528	38	4	reaction	reaction	NOUN
ajst-2528	38	5	process	process	NOUN
ajst-2528	38	6	of	of	ADP
ajst-2528	38	7	coal	coal	NOUN
ajst-2528	38	8	oxygen	oxygen	NOUN
ajst-2528	38	9	adsorption	adsorption	NOUN
ajst-2528	38	10	3	3	X
ajst-2528	38	11	.	.	PUNCT
ajst-2528	39	1	study	study	NOUN
ajst-2528	39	2	on	on	ADP
ajst-2528	39	3	surface	surface	NOUN
ajst-2528	39	4	active	active	ADJ
ajst-2528	39	5	functional	functional	ADJ
ajst-2528	39	6	groups	group	NOUN
ajst-2528	39	7	of	of	ADP
ajst-2528	39	8	coal	coal	NOUN
ajst-2528	39	9	since	since	SCONJ
ajst-2528	39	10	coal	coal	NOUN
ajst-2528	39	11	molecular	molecular	ADJ
ajst-2528	39	12	structure	structure	NOUN
ajst-2528	39	13	was	be	AUX
ajst-2528	39	14	studied	study	VERB
ajst-2528	39	15	by	by	ADP
ajst-2528	39	16	many	many	ADJ
ajst-2528	39	17	scholars	scholar	NOUN
ajst-2528	39	18	in	in	ADP
ajst-2528	39	19	the	the	DET
ajst-2528	39	20	early	early	ADJ
ajst-2528	39	21	20th	20th	ADJ
ajst-2528	39	22	century	century	NOUN
ajst-2528	39	23	,	,	PUNCT
ajst-2528	39	24	many	many	ADJ
ajst-2528	39	25	models	model	NOUN
ajst-2528	39	26	of	of	ADP
ajst-2528	39	27	coal	coal	NOUN
ajst-2528	39	28	molecular	molecular	ADJ
ajst-2528	39	29	structure	structure	NOUN
ajst-2528	39	30	have	have	AUX
ajst-2528	39	31	been	be	AUX
ajst-2528	39	32	proposed	propose	VERB
ajst-2528	39	33	.	.	PUNCT
ajst-2528	40	1	in	in	ADP
ajst-2528	40	2	these	these	DET
ajst-2528	40	3	models	model	NOUN
ajst-2528	40	4	,	,	PUNCT
ajst-2528	40	5	there	there	PRON
ajst-2528	40	6	are	be	VERB
ajst-2528	40	7	more	more	ADV
ajst-2528	40	8	or	or	CCONJ
ajst-2528	40	9	less	less	ADJ
ajst-2528	40	10	some	some	DET
ajst-2528	40	11	differences	difference	NOUN
ajst-2528	40	12	,	,	PUNCT
ajst-2528	40	13	but	but	CCONJ
ajst-2528	40	14	some	some	DET
ajst-2528	40	15	basic	basic	ADJ
ajst-2528	40	16	views	view	NOUN
ajst-2528	40	17	are	be	AUX
ajst-2528	40	18	consistent	consistent	ADJ
ajst-2528	40	19	,	,	PUNCT
ajst-2528	40	20	for	for	ADP
ajst-2528	40	21	example	example	NOUN
ajst-2528	40	22	:	:	PUNCT
ajst-2528	40	23	(	(	PUNCT
ajst-2528	40	24	1	1	X
ajst-2528	40	25	)	)	PUNCT
ajst-2528	40	26	the	the	DET
ajst-2528	40	27	aggregate	aggregate	NOUN
ajst-2528	40	28	composed	compose	VERB
ajst-2528	40	29	of	of	ADP
ajst-2528	40	30	aromatic	aromatic	ADJ
ajst-2528	40	31	structure	structure	NOUN
ajst-2528	40	32	is	be	AUX
ajst-2528	40	33	the	the	DET
ajst-2528	40	34	main	main	ADJ
ajst-2528	40	35	structure	structure	NOUN
ajst-2528	40	36	of	of	ADP
ajst-2528	40	37	coal	coal	NOUN
ajst-2528	40	38	;	;	PUNCT
ajst-2528	40	39	(	(	PUNCT
ajst-2528	40	40	2	2	X
ajst-2528	40	41	)	)	PUNCT
ajst-2528	40	42	the	the	DET
ajst-2528	40	43	connection	connection	NOUN
ajst-2528	40	44	mode	mode	NOUN
ajst-2528	40	45	between	between	ADP
ajst-2528	40	46	aromatic	aromatic	ADJ
ajst-2528	40	47	groups	group	NOUN
ajst-2528	40	48	and	and	CCONJ
ajst-2528	40	49	aromatic	aromatic	ADJ
ajst-2528	40	50	groups	group	NOUN
ajst-2528	40	51	is	be	AUX
ajst-2528	40	52	bridge	bridge	NOUN
ajst-2528	40	53	bond	bond	NOUN
ajst-2528	40	54	;	;	PUNCT
ajst-2528	40	55	(	(	PUNCT
ajst-2528	40	56	3	3	X
ajst-2528	40	57	)	)	PUNCT
ajst-2528	40	58	many	many	ADJ
ajst-2528	40	59	different	different	ADJ
ajst-2528	40	60	kinds	kind	NOUN
ajst-2528	40	61	of	of	ADP
ajst-2528	40	62	chemical	chemical	NOUN
ajst-2528	40	63	structures	structure	NOUN
ajst-2528	40	64	are	be	AUX
ajst-2528	40	65	connected	connect	VERB
ajst-2528	40	66	by	by	ADP
ajst-2528	40	67	bridge	bridge	NOUN
ajst-2528	40	68	bonds	bond	NOUN
ajst-2528	40	69	,	,	PUNCT
ajst-2528	40	70	and	and	CCONJ
ajst-2528	40	71	fatty	fatty	NOUN
ajst-2528	40	72	structures	structure	NOUN
ajst-2528	40	73	account	account	VERB
ajst-2528	40	74	for	for	ADP
ajst-2528	40	75	a	a	DET
ajst-2528	40	76	large	large	ADJ
ajst-2528	40	77	proportion;(4	proportion;(4	NOUN
ajst-2528	40	78	)	)	PUNCT
ajst-2528	40	79	the	the	DET
ajst-2528	40	80	coal	coal	NOUN
ajst-2528	40	81	structure	structure	NOUN
ajst-2528	40	82	contains	contain	VERB
ajst-2528	40	83	o	o	NOUN
ajst-2528	40	84	,	,	PUNCT
ajst-2528	40	85	n	n	CCONJ
ajst-2528	40	86	,	,	PUNCT
ajst-2528	40	87	s	s	X
ajst-2528	40	88	and	and	CCONJ
ajst-2528	40	89	other	other	ADJ
ajst-2528	40	90	structures	structure	NOUN
ajst-2528	40	91	,	,	PUNCT
ajst-2528	40	92	n	n	CCONJ
ajst-2528	40	93	mainly	mainly	ADV
ajst-2528	40	94	exists	exist	VERB
ajst-2528	40	95	in	in	ADP
ajst-2528	40	96	heterocycles	heterocycle	NOUN
ajst-2528	40	97	,	,	PUNCT
ajst-2528	40	98	and	and	CCONJ
ajst-2528	40	99	a	a	DET
ajst-2528	40	100	small	small	ADJ
ajst-2528	40	101	part	part	NOUN
ajst-2528	40	102	exists	exist	VERB
ajst-2528	40	103	in	in	ADP
ajst-2528	40	104	the	the	DET
ajst-2528	40	105	outer	outer	ADJ
ajst-2528	40	106	groups	group	NOUN
ajst-2528	40	107	of	of	ADP
ajst-2528	40	108	aromatic	aromatic	ADJ
ajst-2528	40	109	rings	ring	NOUN
ajst-2528	40	110	.	.	PUNCT
ajst-2528	41	1	the	the	DET
ajst-2528	41	2	oxygen	oxygen	NOUN
ajst-2528	41	3	atom	atom	NOUN
ajst-2528	41	4	groups	group	NOUN
ajst-2528	41	5	are	be	AUX
ajst-2528	41	6	mainly	mainly	ADV
ajst-2528	41	7	in	in	ADP
ajst-2528	41	8	the	the	DET
ajst-2528	41	9	form	form	NOUN
ajst-2528	41	10	of	of	ADP
ajst-2528	41	11	phenolic	phenolic	ADJ
ajst-2528	41	12	hydroxyl	hydroxyl	PROPN
ajst-2528	41	13	group	group	NOUN
ajst-2528	41	14	,	,	PUNCT
ajst-2528	41	15	alcohol	alcohol	NOUN
ajst-2528	41	16	hydroxyl	hydroxyl	PROPN
ajst-2528	41	17	group	group	NOUN
ajst-2528	41	18	,	,	PUNCT
ajst-2528	41	19	methoxy	methoxy	ADJ
ajst-2528	41	20	group	group	NOUN
ajst-2528	41	21	,	,	PUNCT
ajst-2528	41	22	carbonyl	carbonyl	NOUN
ajst-2528	41	23	group	group	NOUN
ajst-2528	41	24	and	and	CCONJ
ajst-2528	41	25	furanone	furanone	NOUN
ajst-2528	41	26	.	.	PUNCT
ajst-2528	42	1	the	the	DET
ajst-2528	42	2	existing	exist	VERB
ajst-2528	42	3	form	form	NOUN
ajst-2528	42	4	of	of	ADP
ajst-2528	42	5	s	s	PRON
ajst-2528	42	6	,	,	PUNCT
ajst-2528	42	7	compared	compare	VERB
ajst-2528	42	8	with	with	ADP
ajst-2528	42	9	the	the	DET
ajst-2528	42	10	existing	exist	VERB
ajst-2528	42	11	form	form	NOUN
ajst-2528	42	12	of	of	ADP
ajst-2528	42	13	n	n	CCONJ
ajst-2528	42	14	,	,	PUNCT
ajst-2528	42	15	also	also	ADV
ajst-2528	42	16	exists	exist	VERB
ajst-2528	42	17	in	in	ADP
ajst-2528	42	18	the	the	DET
ajst-2528	42	19	sulfide	sulfide	NOUN
ajst-2528	42	20	bond	bond	NOUN
ajst-2528	42	21	and	and	CCONJ
ajst-2528	42	22	other	other	ADJ
ajst-2528	42	23	structures	structure	NOUN
ajst-2528	42	24	;	;	PUNCT
ajst-2528	42	25	(	(	PUNCT
ajst-2528	42	26	5	5	X
ajst-2528	42	27	)	)	PUNCT
ajst-2528	42	28	there	there	PRON
ajst-2528	42	29	are	be	VERB
ajst-2528	42	30	some	some	DET
ajst-2528	42	31	small	small	ADJ
ajst-2528	42	32	molecular	molecular	ADJ
ajst-2528	42	33	structures	structure	NOUN
ajst-2528	42	34	in	in	ADP
ajst-2528	42	35	the	the	DET
ajst-2528	42	36	main	main	ADJ
ajst-2528	42	37	structure	structure	NOUN
ajst-2528	42	38	of	of	ADP
ajst-2528	42	39	coal	coal	NOUN
ajst-2528	42	40	,	,	PUNCT
ajst-2528	42	41	which	which	PRON
ajst-2528	42	42	are	be	AUX
ajst-2528	42	43	not	not	PART
ajst-2528	42	44	closely	closely	ADV
ajst-2528	42	45	related	relate	VERB
ajst-2528	42	46	to	to	ADP
ajst-2528	42	47	the	the	DET
ajst-2528	42	48	main	main	ADJ
ajst-2528	42	49	body	body	NOUN
ajst-2528	42	50	and	and	CCONJ
ajst-2528	42	51	are	be	AUX
ajst-2528	42	52	called	call	VERB
ajst-2528	42	53	free	free	ADJ
ajst-2528	42	54	phase	phase	NOUN
ajst-2528	42	55	structures	structure	NOUN
ajst-2528	42	56	.	.	PUNCT
ajst-2528	43	1	they	they	PRON
ajst-2528	43	2	may	may	AUX
ajst-2528	43	3	be	be	AUX
ajst-2528	43	4	embedded	embed	VERB
ajst-2528	43	5	in	in	ADP
ajst-2528	43	6	the	the	DET
ajst-2528	43	7	main	main	ADJ
ajst-2528	43	8	structure	structure	NOUN
ajst-2528	43	9	,	,	PUNCT
ajst-2528	43	10	or	or	CCONJ
ajst-2528	43	11	they	they	PRON
ajst-2528	43	12	may	may	AUX
ajst-2528	43	13	maintain	maintain	VERB
ajst-2528	43	14	different	different	ADJ
ajst-2528	43	15	degrees	degree	NOUN
ajst-2528	43	16	of	of	ADP
ajst-2528	43	17	weak	weak	ADJ
ajst-2528	43	18	ties	tie	NOUN
ajst-2528	43	19	with	with	ADP
ajst-2528	43	20	the	the	DET
ajst-2528	43	21	main	main	ADJ
ajst-2528	43	22	structure	structure	NOUN
ajst-2528	43	23	of	of	ADP
ajst-2528	43	24	coal	coal	NOUN
ajst-2528	43	25	by	by	ADP
ajst-2528	43	26	hydrogen	hydrogen	NOUN
ajst-2528	43	27	bonds	bond	NOUN
ajst-2528	43	28	or	or	CCONJ
ajst-2528	43	29	van	van	PROPN
ajst-2528	43	30	der	der	NOUN
ajst-2528	43	31	waals	waal	NOUN
ajst-2528	43	32	forces.(6)the	forces.(6)the	DET
ajst-2528	43	33	chemical	chemical	NOUN
ajst-2528	43	34	structure	structure	NOUN
ajst-2528	43	35	of	of	ADP
ajst-2528	43	36	coal	coal	NOUN
ajst-2528	43	37	contains	contain	VERB
ajst-2528	43	38	free	free	ADJ
ajst-2528	43	39	radicals	radical	NOUN
ajst-2528	43	40	with	with	ADP
ajst-2528	43	41	different	different	ADJ
ajst-2528	43	42	reactivity	reactivity	NOUN
ajst-2528	43	43	,	,	PUNCT
ajst-2528	43	44	and	and	CCONJ
ajst-2528	43	45	their	their	PRON
ajst-2528	43	46	types	type	NOUN
ajst-2528	43	47	and	and	CCONJ
ajst-2528	43	48	quantities	quantity	NOUN
ajst-2528	43	49	are	be	AUX
ajst-2528	43	50	different[14	different[14	NOUN
ajst-2528	43	51	]	]	PUNCT
ajst-2528	43	52	.	.	PUNCT
ajst-2528	44	1	researchers	researcher	NOUN
ajst-2528	44	2	at	at	ADP
ajst-2528	44	3	home	home	ADV
ajst-2528	44	4	and	and	CCONJ
ajst-2528	44	5	abroad	abroad	ADV
ajst-2528	44	6	have	have	AUX
ajst-2528	44	7	proposed	propose	VERB
ajst-2528	44	8	hundreds	hundred	NOUN
ajst-2528	44	9	of	of	ADP
ajst-2528	44	10	macromolecular	macromolecular	ADJ
ajst-2528	44	11	structure	structure	NOUN
ajst-2528	44	12	models	model	NOUN
ajst-2528	44	13	of	of	ADP
ajst-2528	44	14	coal	coal	NOUN
ajst-2528	44	15	,	,	PUNCT
ajst-2528	44	16	and	and	CCONJ
ajst-2528	44	17	the	the	DET
ajst-2528	44	18	main	main	ADJ
ajst-2528	44	19	research	research	NOUN
ajst-2528	44	20	methods	method	NOUN
ajst-2528	44	21	include	include	VERB
ajst-2528	44	22	industrial	industrial	ADJ
ajst-2528	44	23	analysis	analysis	NOUN
ajst-2528	44	24	,	,	PUNCT
ajst-2528	44	25	elemental	elemental	ADJ
ajst-2528	44	26	analysis	analysis	NOUN
ajst-2528	44	27	,	,	PUNCT
ajst-2528	44	28	nuclear	nuclear	ADJ
ajst-2528	44	29	magnetic	magnetic	ADJ
ajst-2528	44	30	resonance	resonance	NOUN
ajst-2528	44	31	carbon	carbon	NOUN
ajst-2528	44	32	spectroscopy	spectroscopy	NOUN
ajst-2528	44	33	,	,	PUNCT
ajst-2528	44	34	xray	xray	ADJ
ajst-2528	44	35	photoelectron	photoelectron	NOUN
ajst-2528	44	36	spectroscopy	spectroscopy	NOUN
ajst-2528	44	37	and	and	CCONJ
ajst-2528	44	38	high	high	ADJ
ajst-2528	44	39	-	-	PUNCT
ajst-2528	44	40	resolution	resolution	NOUN
ajst-2528	44	41	transmission	transmission	NOUN
ajst-2528	44	42	electron	electron	NOUN
ajst-2528	44	43	microscopy	microscopy	NOUN
ajst-2528	44	44	(	(	PUNCT
ajst-2528	44	45	hrtem	hrtem	NOUN
ajst-2528	44	46	)	)	PUNCT
ajst-2528	44	47	.	.	PUNCT
ajst-2528	45	1	the	the	DET
ajst-2528	45	2	industrial	industrial	ADJ
ajst-2528	45	3	analysis	analysis	NOUN
ajst-2528	45	4	and	and	CCONJ
ajst-2528	45	5	elemental	elemental	ADJ
ajst-2528	45	6	analysis	analysis	NOUN
ajst-2528	45	7	are	be	AUX
ajst-2528	45	8	indispensable	indispensable	ADJ
ajst-2528	45	9	methods	method	NOUN
ajst-2528	45	10	to	to	PART
ajst-2528	45	11	explore	explore	VERB
ajst-2528	45	12	the	the	DET
ajst-2528	45	13	coal	coal	NOUN
ajst-2528	45	14	molecular	molecular	ADJ
ajst-2528	45	15	model[15	model[15	NOUN
ajst-2528	45	16	]	]	PUNCT
ajst-2528	45	17	.	.	PUNCT
ajst-2528	46	1	from	from	ADP
ajst-2528	46	2	the	the	DET
ajst-2528	46	3	perspective	perspective	NOUN
ajst-2528	46	4	of	of	ADP
ajst-2528	46	5	the	the	DET
ajst-2528	46	6	macromolecular	macromolecular	ADJ
ajst-2528	46	7	structure	structure	NOUN
ajst-2528	46	8	of	of	ADP
ajst-2528	46	9	coal	coal	NOUN
ajst-2528	46	10	,	,	PUNCT
ajst-2528	46	11	first	first	ADV
ajst-2528	46	12	carries	carry	VERB
ajst-2528	46	13	on	on	ADP
ajst-2528	46	14	the	the	DET
ajst-2528	46	15	determination	determination	NOUN
ajst-2528	46	16	of	of	ADP
ajst-2528	46	17	industrial	industrial	ADJ
ajst-2528	46	18	analysis	analysis	NOUN
ajst-2528	46	19	and	and	CCONJ
ajst-2528	46	20	elemental	elemental	ADJ
ajst-2528	46	21	analysis	analysis	NOUN
ajst-2528	46	22	,	,	PUNCT
ajst-2528	46	23	secondly	secondly	ADV
ajst-2528	46	24	combining	combine	VERB
ajst-2528	46	25	the	the	DET
ajst-2528	46	26	13	13	NUM
ajst-2528	46	27	c	c	PROPN
ajst-2528	46	28	nuclear	nuclear	PROPN
ajst-2528	46	29	magnetic	magnetic	ADJ
ajst-2528	46	30	resonance	resonance	NOUN
ajst-2528	46	31	(	(	PUNCT
ajst-2528	46	32	nmr	nmr	NOUN
ajst-2528	46	33	)	)	PUNCT
ajst-2528	46	34	spectrum	spectrum	NOUN
ajst-2528	46	35	,	,	PUNCT
ajst-2528	46	36	x	x	PART
ajst-2528	46	37	ray	ray	NOUN
ajst-2528	46	38	photoelectron	photoelectron	NOUN
ajst-2528	46	39	spectroscopy	spectroscopy	NOUN
ajst-2528	46	40	and	and	CCONJ
ajst-2528	46	41	fourier	fourier	NOUN
ajst-2528	46	42	transform	transform	VERB
ajst-2528	46	43	infrared	infrared	ADJ
ajst-2528	46	44	spectroscopy	spectroscopy	NOUN
ajst-2528	46	45	analysis	analysis	NOUN
ajst-2528	46	46	results	result	NOUN
ajst-2528	46	47	,	,	PUNCT
ajst-2528	46	48	such	such	ADJ
ajst-2528	46	49	as	as	ADP
ajst-2528	46	50	its	its	PRON
ajst-2528	46	51	chemical	chemical	NOUN
ajst-2528	46	52	structure	structure	NOUN
ajst-2528	46	53	model	model	NOUN
ajst-2528	46	54	was	be	AUX
ajst-2528	46	55	constructed	construct	VERB
ajst-2528	46	56	.	.	PUNCT
ajst-2528	47	1	the	the	DET
ajst-2528	47	2	simulation	simulation	NOUN
ajst-2528	47	3	results	result	NOUN
ajst-2528	47	4	show	show	VERB
ajst-2528	47	5	that	that	SCONJ
ajst-2528	47	6	the	the	DET
ajst-2528	47	7	model	model	NOUN
ajst-2528	47	8	can	can	AUX
ajst-2528	47	9	reflect	reflect	VERB
ajst-2528	47	10	the	the	DET
ajst-2528	47	11	structural	structural	ADJ
ajst-2528	47	12	characteristics	characteristic	NOUN
ajst-2528	47	13	of	of	ADP
ajst-2528	47	14	macromolecules	macromolecule	NOUN
ajst-2528	47	15	well.the	well.the	DET
ajst-2528	47	16	chemical	chemical	NOUN
ajst-2528	47	17	structure	structure	NOUN
ajst-2528	47	18	of	of	ADP
ajst-2528	47	19	coal	coal	NOUN
ajst-2528	47	20	is	be	AUX
ajst-2528	47	21	relatively	relatively	ADV
ajst-2528	47	22	complex	complex	ADJ
ajst-2528	47	23	.	.	PUNCT
ajst-2528	48	1	active	active	ADJ
ajst-2528	48	2	structures	structure	NOUN
ajst-2528	48	3	in	in	ADP
ajst-2528	48	4	coal	coal	NOUN
ajst-2528	48	5	include	include	VERB
ajst-2528	48	6	free	free	ADJ
ajst-2528	48	7	radicals	radical	NOUN
ajst-2528	48	8	and	and	CCONJ
ajst-2528	48	9	active	active	ADJ
ajst-2528	48	10	functional	functional	ADJ
ajst-2528	48	11	groups	group	NOUN
ajst-2528	48	12	,	,	PUNCT
ajst-2528	48	13	etc	etc	X
ajst-2528	48	14	.	.	X
ajst-2528	49	1	the	the	DET
ajst-2528	49	2	actual	actual	ADJ
ajst-2528	49	3	process	process	NOUN
ajst-2528	49	4	of	of	ADP
ajst-2528	49	5	coal	coal	NOUN
ajst-2528	49	6	oxidation	oxidation	NOUN
ajst-2528	49	7	reaction	reaction	NOUN
ajst-2528	49	8	also	also	ADV
ajst-2528	49	9	includes	include	VERB
ajst-2528	49	10	the	the	DET
ajst-2528	49	11	reaction	reaction	NOUN
ajst-2528	49	12	between	between	ADP
ajst-2528	49	13	active	active	ADJ
ajst-2528	49	14	functional	functional	ADJ
ajst-2528	49	15	groups	group	NOUN
ajst-2528	49	16	in	in	ADP
ajst-2528	49	17	coal	coal	NOUN
ajst-2528	49	18	and	and	CCONJ
ajst-2528	49	19	oxygen	oxygen	NOUN
ajst-2528	49	20	and	and	CCONJ
ajst-2528	49	21	the	the	DET
ajst-2528	49	22	reaction	reaction	NOUN
ajst-2528	49	23	between	between	ADP
ajst-2528	49	24	secondary	secondary	ADJ
ajst-2528	49	25	active	active	ADJ
ajst-2528	49	26	structures[16,17	structures[16,17	NOUN
ajst-2528	49	27	]	]	PUNCT
ajst-2528	49	28	.	.	PUNCT
ajst-2528	50	1	hydroxyl	hydroxyl	PROPN
ajst-2528	50	2	group	group	PROPN
ajst-2528	50	3	,	,	PUNCT
ajst-2528	50	4	carboxyl	carboxyl	NOUN
ajst-2528	50	5	group	group	NOUN
ajst-2528	50	6	,	,	PUNCT
ajst-2528	50	7	carbonyl	carbonyl	NOUN
ajst-2528	50	8	group	group	NOUN
ajst-2528	50	9	,	,	PUNCT
ajst-2528	50	10	aliphatic	aliphatic	ADJ
ajst-2528	50	11	hydrocarbon	hydrocarbon	NOUN
ajst-2528	50	12	group	group	NOUN
ajst-2528	50	13	,	,	PUNCT
ajst-2528	50	14	n	n	PROPN
ajst-2528	50	15	and	and	CCONJ
ajst-2528	50	16	s	s	AUX
ajst-2528	50	17	exist	exist	VERB
ajst-2528	50	18	as	as	ADP
ajst-2528	50	19	active	active	ADJ
ajst-2528	50	20	structures	structure	NOUN
ajst-2528	50	21	in	in	ADP
ajst-2528	50	22	the	the	DET
ajst-2528	50	23	functional	functional	ADJ
ajst-2528	50	24	group	group	NOUN
ajst-2528	50	25	structural	structural	ADJ
ajst-2528	50	26	unit	unit	NOUN
ajst-2528	50	27	group	group	NOUN
ajst-2528	50	28	.	.	PUNCT
ajst-2528	51	1	the	the	DET
ajst-2528	51	2	main	main	ADJ
ajst-2528	51	3	active	active	ADJ
ajst-2528	51	4	reaction	reaction	NOUN
ajst-2528	51	5	front	front	ADJ
ajst-2528	51	6	orbitals	orbital	NOUN
ajst-2528	51	7	focus	focus	VERB
ajst-2528	51	8	on	on	ADP
ajst-2528	51	9	oxygen	oxygen	NOUN
ajst-2528	51	10	-	-	PUNCT
ajst-2528	51	11	hydrogen	hydrogen	NOUN
ajst-2528	51	12	bond	bond	NOUN
ajst-2528	51	13	and	and	CCONJ
ajst-2528	51	14	ch	ch	NOUN
ajst-2528	51	15	bond	bond	NOUN
ajst-2528	51	16	,	,	PUNCT
ajst-2528	51	17	which	which	PRON
ajst-2528	51	18	provides	provide	VERB
ajst-2528	51	19	the	the	DET
ajst-2528	51	20	chemical	chemical	NOUN
ajst-2528	51	21	bond	bond	NOUN
ajst-2528	51	22	basis	basis	NOUN
ajst-2528	51	23	for	for	ADP
ajst-2528	51	24	the	the	DET
ajst-2528	51	25	priority	priority	NOUN
ajst-2528	51	26	reaction	reaction	NOUN
ajst-2528	51	27	for	for	ADP
ajst-2528	51	28	the	the	DET
ajst-2528	51	29	determination	determination	NOUN
ajst-2528	51	30	of	of	ADP
ajst-2528	51	31	all	all	DET
ajst-2528	51	32	reaction	reaction	NOUN
ajst-2528	51	33	sequences	sequence	NOUN
ajst-2528	51	34	of	of	ADP
ajst-2528	51	35	functional	functional	ADJ
ajst-2528	51	36	group	group	NOUN
ajst-2528	51	37	structural	structural	ADJ
ajst-2528	51	38	unit	unit	NOUN
ajst-2528	51	39	[	[	X
ajst-2528	51	40	18	18	NUM
ajst-2528	51	41	]	]	PUNCT
ajst-2528	51	42	.	.	PUNCT
ajst-2528	52	1	hydroxyl	hydroxyl	PROPN
ajst-2528	52	2	group	group	NOUN
ajst-2528	52	3	is	be	AUX
ajst-2528	52	4	the	the	DET
ajst-2528	52	5	most	most	ADV
ajst-2528	52	6	active	active	ADJ
ajst-2528	52	7	oxygen	oxygen	NOUN
ajst-2528	52	8	-	-	PUNCT
ajst-2528	52	9	containing	contain	VERB
ajst-2528	52	10	functional	functional	ADJ
ajst-2528	52	11	group	group	NOUN
ajst-2528	52	12	,	,	PUNCT
ajst-2528	52	13	which	which	PRON
ajst-2528	52	14	is	be	AUX
ajst-2528	52	15	involved	involve	VERB
ajst-2528	52	16	in	in	ADP
ajst-2528	52	17	coal	coal	NOUN
ajst-2528	52	18	-	-	PUNCT
ajst-2528	52	19	oxygen	oxygen	NOUN
ajst-2528	52	20	complex	complex	ADJ
ajst-2528	52	21	reaction	reaction	NOUN
ajst-2528	52	22	at	at	ADP
ajst-2528	52	23	low	low	ADJ
ajst-2528	52	24	temperature	temperature	NOUN
ajst-2528	52	25	.	.	PUNCT
ajst-2528	53	1	carboxyl	carboxyl	NOUN
ajst-2528	53	2	compounds	compound	NOUN
ajst-2528	53	3	are	be	AUX
ajst-2528	53	4	important	important	ADJ
ajst-2528	53	5	transition	transition	NOUN
ajst-2528	53	6	products	product	NOUN
ajst-2528	53	7	of	of	ADP
ajst-2528	53	8	coal	coal	NOUN
ajst-2528	53	9	-	-	PUNCT
ajst-2528	53	10	oxygen	oxygen	NOUN
ajst-2528	53	11	complex	complex	ADJ
ajst-2528	53	12	reaction	reaction	NOUN
ajst-2528	53	13	,	,	PUNCT
ajst-2528	53	14	and	and	CCONJ
ajst-2528	53	15	the	the	DET
ajst-2528	53	16	content	content	NOUN
ajst-2528	53	17	of	of	ADP
ajst-2528	53	18	c	c	PROPN
ajst-2528	53	19	=	=	NOUN
ajst-2528	53	20	o	o	PROPN
ajst-2528	53	21	also	also	ADV
ajst-2528	53	22	increases	increase	VERB
ajst-2528	53	23	greatly	greatly	ADV
ajst-2528	53	24	in	in	ADP
ajst-2528	53	25	this	this	DET
ajst-2528	53	26	process	process	NOUN
ajst-2528	53	27	.	.	PUNCT
ajst-2528	54	1	the	the	DET
ajst-2528	54	2	chemical	chemical	ADJ
ajst-2528	54	3	properties	property	NOUN
ajst-2528	54	4	of	of	ADP
ajst-2528	54	5	adipose	adipose	ADJ
ajst-2528	54	6	ether	ether	NOUN
ajst-2528	54	7	are	be	AUX
ajst-2528	54	8	more	more	ADV
ajst-2528	54	9	active	active	ADJ
ajst-2528	54	10	than	than	ADP
ajst-2528	54	11	aromatic	aromatic	ADJ
ajst-2528	54	12	ether[19	ether[19	NOUN
ajst-2528	54	13	]	]	PUNCT
ajst-2528	54	14	.	.	PUNCT
ajst-2528	55	1	the	the	DET
ajst-2528	55	2	main	main	ADJ
ajst-2528	55	3	factor	factor	NOUN
ajst-2528	55	4	affecting	affect	VERB
ajst-2528	55	5	whether	whether	SCONJ
ajst-2528	55	6	coal	coal	NOUN
ajst-2528	55	7	is	be	AUX
ajst-2528	55	8	prone	prone	ADJ
ajst-2528	55	9	to	to	ADP
ajst-2528	55	10	spontaneous	spontaneous	ADJ
ajst-2528	55	11	combustion	combustion	NOUN
ajst-2528	55	12	is	be	AUX
ajst-2528	55	13	the	the	DET
ajst-2528	55	14	number	number	NOUN
ajst-2528	55	15	of	of	ADP
ajst-2528	55	16	active	active	ADJ
ajst-2528	55	17	groups	group	NOUN
ajst-2528	55	18	involved	involve	VERB
ajst-2528	55	19	in	in	ADP
ajst-2528	55	20	the	the	DET
ajst-2528	55	21	reaction	reaction	NOUN
ajst-2528	55	22	.	.	PUNCT
ajst-2528	56	1	different	different	ADJ
ajst-2528	56	2	active	active	ADJ
ajst-2528	56	3	groups	group	NOUN
ajst-2528	56	4	,	,	PUNCT
ajst-2528	56	5	such	such	ADJ
ajst-2528	56	6	as	as	ADP
ajst-2528	56	7	hydroxyl	hydroxyl	NOUN
ajst-2528	56	8	,	,	PUNCT
ajst-2528	56	9	methyl	methyl	NOUN
ajst-2528	56	10	,	,	PUNCT
ajst-2528	56	11	methylene	methylene	NOUN
ajst-2528	56	12	,	,	PUNCT
ajst-2528	56	13	etc	etc	X
ajst-2528	56	14	.	.	X
ajst-2528	56	15	,	,	PUNCT
ajst-2528	56	16	have	have	VERB
ajst-2528	56	17	different	different	ADJ
ajst-2528	56	18	oxidation	oxidation	NOUN
ajst-2528	56	19	properties	property	NOUN
ajst-2528	56	20	[	[	X
ajst-2528	56	21	20	20	NUM
ajst-2528	56	22	]	]	PUNCT
ajst-2528	56	23	.	.	PUNCT
ajst-2528	57	1	in	in	ADP
ajst-2528	57	2	the	the	DET
ajst-2528	57	3	coal	coal	NOUN
ajst-2528	57	4	experienced	experience	VERB
ajst-2528	57	5	a	a	DET
ajst-2528	57	6	long	long	ADJ
ajst-2528	57	7	time	time	NOUN
ajst-2528	57	8	under	under	ADP
ajst-2528	57	9	the	the	DET
ajst-2528	57	10	geological	geological	ADJ
ajst-2528	57	11	action	action	NOUN
ajst-2528	57	12	and	and	CCONJ
ajst-2528	57	13	external	external	ADJ
ajst-2528	57	14	force	force	NOUN
ajst-2528	57	15	formation	formation	NOUN
ajst-2528	57	16	,	,	PUNCT
ajst-2528	57	17	and	and	CCONJ
ajst-2528	57	18	after	after	SCONJ
ajst-2528	57	19	these	these	DET
ajst-2528	57	20	processes	process	NOUN
ajst-2528	57	21	still	still	ADV
ajst-2528	57	22	exist	exist	VERB
ajst-2528	57	23	in	in	ADP
ajst-2528	57	24	the	the	DET
ajst-2528	57	25	coal	coal	NOUN
ajst-2528	57	26	groups	group	NOUN
ajst-2528	57	27	belong	belong	VERB
ajst-2528	57	28	to	to	ADP
ajst-2528	57	29	the	the	DET
ajst-2528	57	30	original	original	ADJ
ajst-2528	57	31	group	group	NOUN
ajst-2528	57	32	.	.	PUNCT
ajst-2528	58	1	coal	coal	NOUN
ajst-2528	58	2	is	be	AUX
ajst-2528	58	3	a	a	DET
ajst-2528	58	4	macromolecular	macromolecular	ADJ
ajst-2528	58	5	organic	organic	ADJ
ajst-2528	58	6	structure	structure	NOUN
ajst-2528	58	7	.	.	PUNCT
ajst-2528	59	1	although	although	SCONJ
ajst-2528	59	2	the	the	DET
ajst-2528	59	3	volatile	volatile	ADJ
ajst-2528	59	4	fractions	fraction	NOUN
ajst-2528	59	5	of	of	ADP
ajst-2528	59	6	coal	coal	NOUN
ajst-2528	59	7	samples	sample	NOUN
ajst-2528	59	8	with	with	ADP
ajst-2528	59	9	different	different	ADJ
ajst-2528	59	10	metamorphic	metamorphic	ADJ
ajst-2528	59	11	degrees	degree	NOUN
ajst-2528	59	12	are	be	AUX
ajst-2528	59	13	different	different	ADJ
ajst-2528	59	14	,	,	PUNCT
ajst-2528	59	15	the	the	DET
ajst-2528	59	16	primary	primary	ADJ
ajst-2528	59	17	groups	group	NOUN
ajst-2528	59	18	exist	exist	VERB
ajst-2528	59	19	in	in	ADP
ajst-2528	59	20	the	the	DET
ajst-2528	59	21	coal	coal	NOUN
ajst-2528	59	22	body	body	NOUN
ajst-2528	59	23	,	,	PUNCT
ajst-2528	59	24	and	and	CCONJ
ajst-2528	59	25	their	their	PRON
ajst-2528	59	26	quantities	quantity	NOUN
ajst-2528	59	27	may	may	AUX
ajst-2528	59	28	be	be	AUX
ajst-2528	59	29	different	different	ADJ
ajst-2528	59	30	,	,	PUNCT
ajst-2528	59	31	which	which	PRON
ajst-2528	59	32	are	be	AUX
ajst-2528	59	33	mainly	mainly	ADV
ajst-2528	59	34	related	relate	VERB
ajst-2528	59	35	to	to	ADP
ajst-2528	59	36	volatile	volatile	ADJ
ajst-2528	59	37	fractions	fraction	NOUN
ajst-2528	59	38	[	[	X
ajst-2528	59	39	21,22	21,22	X
ajst-2528	59	40	]	]	X
ajst-2528	59	41	.	.	PUNCT
ajst-2528	60	1	the	the	DET
ajst-2528	60	2	groups	group	NOUN
ajst-2528	60	3	in	in	ADP
ajst-2528	60	4	coal	coal	NOUN
ajst-2528	60	5	are	be	AUX
ajst-2528	60	6	all	all	ADV
ajst-2528	60	7	related	related	ADJ
ajst-2528	60	8	to	to	ADP
ajst-2528	60	9	the	the	DET
ajst-2528	60	10	inherent	inherent	ADJ
ajst-2528	60	11	characteristics	characteristic	NOUN
ajst-2528	60	12	of	of	ADP
ajst-2528	60	13	coal	coal	NOUN
ajst-2528	60	14	,	,	PUNCT
ajst-2528	60	15	weak	weak	ADJ
ajst-2528	60	16	transitivity	transitivity	NOUN
ajst-2528	60	17	of	of	ADP
ajst-2528	60	18	groups	group	NOUN
ajst-2528	60	19	,	,	PUNCT
ajst-2528	60	20	delocalization	delocalization	NOUN
ajst-2528	60	21	of	of	ADP
ajst-2528	60	22	unpaired	unpaired	ADJ
ajst-2528	60	23	electrons	electron	NOUN
ajst-2528	60	24	in	in	ADP
ajst-2528	60	25	aromatic	aromatic	ADJ
ajst-2528	60	26	structure	structure	NOUN
ajst-2528	60	27	and	and	CCONJ
ajst-2528	60	28	other	other	ADJ
ajst-2528	60	29	factors	factor	NOUN
ajst-2528	60	30	.	.	PUNCT
ajst-2528	61	1	the	the	DET
ajst-2528	61	2	primary	primary	ADJ
ajst-2528	61	3	group	group	NOUN
ajst-2528	61	4	can	can	AUX
ajst-2528	61	5	survive	survive	VERB
ajst-2528	61	6	because	because	SCONJ
ajst-2528	61	7	it	it	PRON
ajst-2528	61	8	is	be	AUX
ajst-2528	61	9	in	in	ADP
ajst-2528	61	10	a	a	DET
ajst-2528	61	11	relatively	relatively	ADV
ajst-2528	61	12	closed	closed	ADJ
ajst-2528	61	13	underground	underground	ADJ
ajst-2528	61	14	environment	environment	NOUN
ajst-2528	61	15	for	for	ADP
ajst-2528	61	16	a	a	DET
ajst-2528	61	17	long	long	ADJ
ajst-2528	61	18	time	time	NOUN
ajst-2528	61	19	and	and	CCONJ
ajst-2528	61	20	does	do	AUX
ajst-2528	61	21	not	not	PART
ajst-2528	61	22	have	have	VERB
ajst-2528	61	23	the	the	DET
ajst-2528	61	24	conditions	condition	NOUN
ajst-2528	61	25	for	for	ADP
ajst-2528	61	26	oxidation	oxidation	NOUN
ajst-2528	61	27	reaction	reaction	NOUN
ajst-2528	61	28	.	.	PUNCT
ajst-2528	62	1	when	when	SCONJ
ajst-2528	62	2	mining	mining	NOUN
ajst-2528	62	3	coal	coal	NOUN
ajst-2528	62	4	,	,	PUNCT
ajst-2528	62	5	a	a	DET
ajst-2528	62	6	large	large	ADJ
ajst-2528	62	7	amount	amount	NOUN
ajst-2528	62	8	of	of	ADP
ajst-2528	62	9	air	air	NOUN
ajst-2528	62	10	flows	flow	NOUN
ajst-2528	62	11	into	into	ADP
ajst-2528	62	12	the	the	DET
ajst-2528	62	13	underground	underground	NOUN
ajst-2528	62	14	,	,	PUNCT
ajst-2528	62	15	and	and	CCONJ
ajst-2528	62	16	the	the	DET
ajst-2528	62	17	coal	coal	NOUN
ajst-2528	62	18	seam	seam	NOUN
ajst-2528	62	19	is	be	AUX
ajst-2528	62	20	in	in	ADP
ajst-2528	62	21	full	full	ADJ
ajst-2528	62	22	contact	contact	NOUN
ajst-2528	62	23	with	with	ADP
ajst-2528	62	24	oxygen	oxygen	NOUN
ajst-2528	62	25	,	,	PUNCT
ajst-2528	62	26	and	and	CCONJ
ajst-2528	62	27	the	the	DET
ajst-2528	62	28	more	more	ADV
ajst-2528	62	29	active	active	ADJ
ajst-2528	62	30	groups	group	NOUN
ajst-2528	62	31	would	would	AUX
ajst-2528	62	32	participate	participate	VERB
ajst-2528	62	33	in	in	ADP
ajst-2528	62	34	the	the	DET
ajst-2528	62	35	reaction	reaction	NOUN
ajst-2528	62	36	,	,	PUNCT
ajst-2528	62	37	resulting	result	VERB
ajst-2528	62	38	in	in	ADP
ajst-2528	62	39	the	the	DET
ajst-2528	62	40	reduction	reduction	NOUN
ajst-2528	62	41	of	of	ADP
ajst-2528	62	42	their	their	PRON
ajst-2528	62	43	number	number	NOUN
ajst-2528	62	44	[	[	X
ajst-2528	62	45	23	23	NUM
ajst-2528	62	46	]	]	PUNCT
ajst-2528	62	47	.	.	PUNCT
ajst-2528	63	1	while	while	SCONJ
ajst-2528	63	2	the	the	DET
ajst-2528	63	3	more	more	ADV
ajst-2528	63	4	active	active	ADJ
ajst-2528	63	5	groups	group	NOUN
ajst-2528	63	6	are	be	AUX
ajst-2528	63	7	reduced	reduce	VERB
ajst-2528	63	8	,	,	PUNCT
ajst-2528	63	9	some	some	DET
ajst-2528	63	10	groups	group	NOUN
ajst-2528	63	11	that	that	PRON
ajst-2528	63	12	do	do	AUX
ajst-2528	63	13	not	not	PART
ajst-2528	63	14	exist	exist	VERB
ajst-2528	63	15	originally	originally	ADV
ajst-2528	63	16	would	would	AUX
ajst-2528	63	17	be	be	AUX
ajst-2528	63	18	generated	generate	VERB
ajst-2528	63	19	,	,	PUNCT
ajst-2528	63	20	and	and	CCONJ
ajst-2528	63	21	these	these	DET
ajst-2528	63	22	groups	group	NOUN
ajst-2528	63	23	are	be	AUX
ajst-2528	63	24	called	call	VERB
ajst-2528	63	25	secondary	secondary	ADJ
ajst-2528	63	26	groups	group	NOUN
ajst-2528	63	27	.	.	PUNCT
ajst-2528	64	1	in	in	ADP
ajst-2528	64	2	addition	addition	NOUN
ajst-2528	64	3	,	,	PUNCT
ajst-2528	64	4	the	the	DET
ajst-2528	64	5	transport	transport	NOUN
ajst-2528	64	6	process	process	NOUN
ajst-2528	64	7	by	by	ADP
ajst-2528	64	8	the	the	DET
ajst-2528	64	9	external	external	ADJ
ajst-2528	64	10	influence	influence	NOUN
ajst-2528	64	11	or	or	CCONJ
ajst-2528	64	12	reaction	reaction	NOUN
ajst-2528	64	13	with	with	ADP
ajst-2528	64	14	the	the	DET
ajst-2528	64	15	air	air	NOUN
ajst-2528	64	16	formed	form	VERB
ajst-2528	64	17	group	group	NOUN
ajst-2528	64	18	also	also	ADV
ajst-2528	64	19	belongs	belong	VERB
ajst-2528	64	20	to	to	ADP
ajst-2528	64	21	the	the	DET
ajst-2528	64	22	secondary	secondary	ADJ
ajst-2528	64	23	group	group	NOUN
ajst-2528	64	24	.	.	PUNCT
ajst-2528	65	1	secondary	secondary	ADJ
ajst-2528	65	2	free	free	ADJ
ajst-2528	65	3	radical	radical	ADJ
ajst-2528	65	4	xxygen	xxygen	NOUN
ajst-2528	65	5	molecule	molecule	NOUN
ajst-2528	65	6	free	free	ADJ
ajst-2528	65	7	carbon	carbon	NOUN
ajst-2528	65	8	atom	atom	NOUN
ajst-2528	65	9	hyperoxide	hyperoxide	NOUN
ajst-2528	65	10	the	the	DET
ajst-2528	65	11	centre	centre	NOUN
ajst-2528	65	12	of	of	ADP
ajst-2528	65	13	carbon	carbon	NOUN
ajst-2528	65	14	atom	atom	NOUN
ajst-2528	65	15	hydrogen	hydrogen	NOUN
ajst-2528	65	16	peroxide	peroxide	NOUN
ajst-2528	65	17	deacidification	deacidification	NOUN
ajst-2528	65	18	,	,	PUNCT
ajst-2528	65	19	decarboxylation	decarboxylation	NOUN
ajst-2528	65	20	reaction	reaction	NOUN
ajst-2528	65	21	carboxyl	carboxyl	NOUN
ajst-2528	65	22	hydroxide	hydroxide	NOUN
ajst-2528	65	23	radical	radical	ADJ
ajst-2528	65	24	ether	ether	NOUN
ajst-2528	65	25	groups	group	NOUN
ajst-2528	65	26	+	+	ADP
ajst-2528	65	27	h	h	NOUN
ajst-2528	65	28	thermal	thermal	ADJ
ajst-2528	65	29	decomposition	decomposition	NOUN
ajst-2528	65	30	20	20	NUM
ajst-2528	65	31	groups	group	NOUN
ajst-2528	65	32	mainly	mainly	ADV
ajst-2528	65	33	include	include	VERB
ajst-2528	65	34	groups	group	NOUN
ajst-2528	65	35	with	with	ADP
ajst-2528	65	36	carbon	carbon	NOUN
ajst-2528	65	37	atoms	atom	NOUN
ajst-2528	65	38	as	as	ADP
ajst-2528	65	39	the	the	DET
ajst-2528	65	40	center	center	NOUN
ajst-2528	65	41	of	of	ADP
ajst-2528	65	42	the	the	DET
ajst-2528	65	43	structure	structure	NOUN
ajst-2528	65	44	and	and	CCONJ
ajst-2528	65	45	heteroatomic	heteroatomic	ADJ
ajst-2528	65	46	groups	group	NOUN
ajst-2528	65	47	.	.	PUNCT
ajst-2528	66	1	the	the	DET
ajst-2528	66	2	heteroatomic	heteroatomic	ADJ
ajst-2528	66	3	groups	group	NOUN
ajst-2528	66	4	are	be	AUX
ajst-2528	66	5	mainly	mainly	ADV
ajst-2528	66	6	groups	group	NOUN
ajst-2528	66	7	with	with	ADP
ajst-2528	66	8	oxygen	oxygen	NOUN
ajst-2528	66	9	,	,	PUNCT
ajst-2528	66	10	nitrogen	nitrogen	NOUN
ajst-2528	66	11	and	and	CCONJ
ajst-2528	66	12	sulfur	sulfur	NOUN
ajst-2528	66	13	as	as	ADP
ajst-2528	66	14	the	the	DET
ajst-2528	66	15	center	center	NOUN
ajst-2528	66	16	of	of	ADP
ajst-2528	66	17	the	the	DET
ajst-2528	66	18	structure	structure	NOUN
ajst-2528	66	19	,	,	PUNCT
ajst-2528	66	20	as	as	ADV
ajst-2528	66	21	well	well	ADV
ajst-2528	66	22	as	as	ADP
ajst-2528	66	23	a	a	DET
ajst-2528	66	24	small	small	ADJ
ajst-2528	66	25	number	number	NOUN
ajst-2528	66	26	of	of	ADP
ajst-2528	66	27	groups	group	NOUN
ajst-2528	66	28	containing	contain	VERB
ajst-2528	66	29	metal	metal	NOUN
ajst-2528	66	30	ions	ion	NOUN
ajst-2528	66	31	.	.	PUNCT
ajst-2528	67	1	table	table	NOUN
ajst-2528	67	2	1	1	NUM
ajst-2528	67	3	.	.	PUNCT
ajst-2528	67	4	source	source	NOUN
ajst-2528	67	5	of	of	ADP
ajst-2528	67	6	primary	primary	ADJ
ajst-2528	67	7	group	group	NOUN
ajst-2528	67	8	in	in	ADP
ajst-2528	67	9	coal[23	coal[23	NOUN
ajst-2528	67	10	]	]	X
ajst-2528	67	11	variety	variety	NOUN
ajst-2528	67	12	form	form	NOUN
ajst-2528	67	13	the	the	DET
ajst-2528	67	14	source	source	NOUN
ajst-2528	67	15	main	main	ADJ
ajst-2528	67	16	way	way	NOUN
ajst-2528	67	17	1	1	NUM
ajst-2528	67	18	sedimentary	sedimentary	ADJ
ajst-2528	67	19	metamorphism	metamorphism	NOUN
ajst-2528	67	20	,	,	PUNCT
ajst-2528	67	21	air	air	NOUN
ajst-2528	67	22	oxidation	oxidation	NOUN
ajst-2528	67	23	or	or	CCONJ
ajst-2528	67	24	enzymatic	enzymatic	ADJ
ajst-2528	67	25	action	action	NOUN
ajst-2528	67	26	of	of	ADP
ajst-2528	67	27	organic	organic	ADJ
ajst-2528	67	28	sediments	sediment	NOUN
ajst-2528	67	29	during	during	ADP
ajst-2528	67	30	coal	coal	NOUN
ajst-2528	67	31	formation	formation	NOUN
ajst-2528	67	32	organic	organic	ADJ
ajst-2528	67	33	matter	matter	NOUN
ajst-2528	67	34	reaction	reaction	NOUN
ajst-2528	67	35	generates	generate	VERB
ajst-2528	67	36	-cooh	-cooh	ADJ
ajst-2528	67	37	,	,	PUNCT
ajst-2528	67	38	c	c	NOUN
ajst-2528	67	39	=	=	SYM
ajst-2528	67	40	o	o	NOUN
ajst-2528	67	41	,	,	PUNCT
ajst-2528	67	42	-och3	-och3	ADJ
ajst-2528	67	43	,	,	PUNCT
ajst-2528	67	44	-oh	-oh	NOUN
ajst-2528	67	45	,	,	PUNCT
ajst-2528	67	46	and	and	CCONJ
ajst-2528	67	47	side	side	NOUN
ajst-2528	67	48	chain	chain	NOUN
ajst-2528	67	49	reaction	reaction	NOUN
ajst-2528	67	50	generates	generate	VERB
ajst-2528	67	51	h2o	h2o	NOUN
ajst-2528	67	52	,	,	PUNCT
ajst-2528	67	53	co2	co2	NOUN
ajst-2528	67	54	,	,	PUNCT
ajst-2528	67	55	ch4	ch4	PROPN
ajst-2528	67	56	,	,	PUNCT
ajst-2528	67	57	etc	etc	X
ajst-2528	67	58	.	.	X
ajst-2528	67	59	side	side	NOUN
ajst-2528	67	60	chain	chain	NOUN
ajst-2528	67	61	breaks	break	NOUN
ajst-2528	67	62	;	;	PUNCT
ajst-2528	67	63	later	later	ADV
ajst-2528	67	64	,	,	PUNCT
ajst-2528	67	65	other	other	ADJ
ajst-2528	67	66	reactions	reaction	NOUN
ajst-2528	67	67	form	form	VERB
ajst-2528	67	68	groups	group	NOUN
ajst-2528	67	69	that	that	PRON
ajst-2528	67	70	do	do	AUX
ajst-2528	67	71	not	not	PART
ajst-2528	67	72	participate	participate	VERB
ajst-2528	67	73	in	in	ADP
ajst-2528	67	74	the	the	DET
ajst-2528	67	75	reaction	reaction	NOUN
ajst-2528	67	76	and	and	CCONJ
ajst-2528	67	77	survive	survive	VERB
ajst-2528	67	78	2	2	NUM
ajst-2528	67	79	chemical	chemical	NOUN
ajst-2528	67	80	bonds	bond	NOUN
ajst-2528	67	81	undergo	undergo	VERB
ajst-2528	67	82	thermal	thermal	ADJ
ajst-2528	67	83	cleavage	cleavage	NOUN
ajst-2528	67	84	over	over	ADP
ajst-2528	67	85	hundreds	hundred	NOUN
ajst-2528	67	86	of	of	ADP
ajst-2528	67	87	years	year	NOUN
ajst-2528	67	88	at	at	ADP
ajst-2528	67	89	200	200	NUM
ajst-2528	67	90	°	°	NOUN
ajst-2528	67	91	c	c	NOUN
ajst-2528	67	92	in	in	ADP
ajst-2528	67	93	the	the	DET
ajst-2528	67	94	most	most	ADV
ajst-2528	67	95	important	important	ADJ
ajst-2528	67	96	form	form	NOUN
ajst-2528	67	97	,	,	PUNCT
ajst-2528	67	98	according	accord	VERB
ajst-2528	67	99	to	to	ADP
ajst-2528	67	100	the	the	DET
ajst-2528	67	101	burial	burial	ADJ
ajst-2528	67	102	depth	depth	NOUN
ajst-2528	67	103	and	and	CCONJ
ajst-2528	67	104	temperature	temperature	NOUN
ajst-2528	67	105	gradient	gradient	NOUN
ajst-2528	67	106	,	,	PUNCT
ajst-2528	67	107	the	the	DET
ajst-2528	67	108	coal	coal	NOUN
ajst-2528	67	109	formation	formation	NOUN
ajst-2528	67	110	period	period	NOUN
ajst-2528	67	111	is	be	AUX
ajst-2528	67	112	often	often	ADV
ajst-2528	67	113	in	in	ADP
ajst-2528	67	114	the	the	DET
ajst-2528	67	115	metamorphic	metamorphic	ADJ
ajst-2528	67	116	environment	environment	NOUN
ajst-2528	67	117	of	of	ADP
ajst-2528	67	118	200	200	NUM
ajst-2528	67	119	�	�	NOUN
ajst-2528	67	120	or	or	CCONJ
ajst-2528	67	121	slightly	slightly	ADV
ajst-2528	67	122	lower	low	ADJ
ajst-2528	67	123	,	,	PUNCT
ajst-2528	67	124	although	although	SCONJ
ajst-2528	67	125	this	this	DET
ajst-2528	67	126	temperature	temperature	NOUN
ajst-2528	67	127	is	be	AUX
ajst-2528	67	128	not	not	PART
ajst-2528	67	129	high	high	ADJ
ajst-2528	67	130	,	,	PUNCT
ajst-2528	67	131	but	but	CCONJ
ajst-2528	67	132	the	the	DET
ajst-2528	67	133	chemical	chemical	NOUN
ajst-2528	67	134	bond	bond	NOUN
ajst-2528	67	135	in	in	ADP
ajst-2528	67	136	this	this	DET
ajst-2528	67	137	temperature	temperature	NOUN
ajst-2528	67	138	for	for	ADP
ajst-2528	67	139	a	a	DET
ajst-2528	67	140	long	long	ADJ
ajst-2528	67	141	time	time	NOUN
ajst-2528	67	142	would	would	AUX
ajst-2528	67	143	occur	occur	VERB
ajst-2528	67	144	thermal	thermal	ADJ
ajst-2528	67	145	cracking	cracking	NOUN
ajst-2528	67	146	and	and	CCONJ
ajst-2528	67	147	form	form	VERB
ajst-2528	67	148	various	various	ADJ
ajst-2528	67	149	groups	group	NOUN
ajst-2528	67	150	.	.	PUNCT
ajst-2528	68	1	3	3	NUM
ajst-2528	68	2	chemical	chemical	NOUN
ajst-2528	68	3	bonds	bond	NOUN
ajst-2528	68	4	in	in	ADP
ajst-2528	68	5	coal	coal	NOUN
ajst-2528	68	6	are	be	AUX
ajst-2528	68	7	broken	break	VERB
ajst-2528	68	8	by	by	ADP
ajst-2528	68	9	millions	million	NOUN
ajst-2528	68	10	of	of	ADP
ajst-2528	68	11	years	year	NOUN
ajst-2528	68	12	of	of	ADP
ajst-2528	68	13	natural	natural	ADJ
ajst-2528	68	14	radiation	radiation	NOUN
ajst-2528	68	15	studies	study	NOUN
ajst-2528	68	16	have	have	AUX
ajst-2528	68	17	shown	show	VERB
ajst-2528	68	18	that	that	SCONJ
ajst-2528	68	19	only	only	ADV
ajst-2528	68	20	when	when	SCONJ
ajst-2528	68	21	high	high	ADJ
ajst-2528	68	22	rank	rank	NOUN
ajst-2528	68	23	coal	coal	NOUN
ajst-2528	68	24	(	(	PUNCT
ajst-2528	68	25	c%	c%	VERB
ajst-2528	68	26	>	>	X
ajst-2528	68	27	85	85	NUM
ajst-2528	68	28	%	%	NOUN
ajst-2528	68	29	)	)	PUNCT
ajst-2528	68	30	is	be	AUX
ajst-2528	68	31	placed	place	VERB
ajst-2528	68	32	in	in	ADP
ajst-2528	68	33	a	a	DET
ajst-2528	68	34	radioactive	radioactive	ADJ
ajst-2528	68	35	environment	environment	NOUN
ajst-2528	68	36	,	,	PUNCT
ajst-2528	68	37	the	the	DET
ajst-2528	68	38	group	group	NOUN
ajst-2528	68	39	concentration	concentration	NOUN
ajst-2528	68	40	in	in	ADP
ajst-2528	68	41	coal	coal	NOUN
ajst-2528	68	42	would	would	AUX
ajst-2528	68	43	change	change	VERB
ajst-2528	68	44	significantly	significantly	ADV
ajst-2528	68	45	.	.	PUNCT
ajst-2528	69	1	there	there	PRON
ajst-2528	69	2	is	be	VERB
ajst-2528	69	3	some	some	DET
ajst-2528	69	4	debate	debate	NOUN
ajst-2528	69	5	about	about	ADP
ajst-2528	69	6	whether	whether	SCONJ
ajst-2528	69	7	the	the	DET
ajst-2528	69	8	chemical	chemical	NOUN
ajst-2528	69	9	bond	bond	NOUN
ajst-2528	69	10	breaks	break	NOUN
ajst-2528	69	11	in	in	ADP
ajst-2528	69	12	coal	coal	NOUN
ajst-2528	69	13	are	be	AUX
ajst-2528	69	14	caused	cause	VERB
ajst-2528	69	15	by	by	ADP
ajst-2528	69	16	radiation	radiation	NOUN
ajst-2528	69	17	4	4	NUM
ajst-2528	69	18	.	.	PUNCT
ajst-2528	69	19	influencing	influence	VERB
ajst-2528	69	20	factors	factor	NOUN
ajst-2528	69	21	of	of	ADP
ajst-2528	69	22	coal	coal	NOUN
ajst-2528	69	23	spontaneous	spontaneous	ADJ
ajst-2528	69	24	combustion	combustion	NOUN
ajst-2528	69	25	the	the	DET
ajst-2528	69	26	process	process	NOUN
ajst-2528	69	27	of	of	ADP
ajst-2528	69	28	coal	coal	NOUN
ajst-2528	69	29	spontaneous	spontaneous	ADJ
ajst-2528	69	30	combustion	combustion	NOUN
ajst-2528	69	31	,	,	PUNCT
ajst-2528	69	32	the	the	DET
ajst-2528	69	33	conditions	condition	NOUN
ajst-2528	69	34	of	of	ADP
ajst-2528	69	35	coal	coal	NOUN
ajst-2528	69	36	itself	itself	PRON
ajst-2528	69	37	have	have	VERB
ajst-2528	69	38	a	a	DET
ajst-2528	69	39	great	great	ADJ
ajst-2528	69	40	influence	influence	NOUN
ajst-2528	69	41	on	on	ADP
ajst-2528	69	42	coal	coal	NOUN
ajst-2528	69	43	spontaneous	spontaneous	ADJ
ajst-2528	69	44	combustion	combustion	NOUN
ajst-2528	69	45	,	,	PUNCT
ajst-2528	69	46	including	include	VERB
ajst-2528	69	47	the	the	DET
ajst-2528	69	48	volatile	volatile	ADJ
ajst-2528	69	49	matter	matter	NOUN
ajst-2528	69	50	,	,	PUNCT
ajst-2528	69	51	ash	ash	NOUN
ajst-2528	69	52	and	and	CCONJ
ajst-2528	69	53	moisture	moisture	NOUN
ajst-2528	69	54	content	content	NOUN
ajst-2528	69	55	of	of	ADP
ajst-2528	69	56	coal	coal	NOUN
ajst-2528	69	57	,	,	PUNCT
ajst-2528	69	58	etc	etc	X
ajst-2528	69	59	.	.	X
ajst-2528	70	1	in	in	ADP
ajst-2528	70	2	addition	addition	NOUN
ajst-2528	70	3	,	,	PUNCT
ajst-2528	70	4	under	under	ADP
ajst-2528	70	5	long	long	ADJ
ajst-2528	70	6	-	-	PUNCT
ajst-2528	70	7	term	term	NOUN
ajst-2528	70	8	geological	geological	ADJ
ajst-2528	70	9	conditions	condition	NOUN
ajst-2528	70	10	,	,	PUNCT
ajst-2528	70	11	the	the	DET
ajst-2528	70	12	associated	associated	ADJ
ajst-2528	70	13	metal	metal	NOUN
ajst-2528	70	14	elements	element	NOUN
ajst-2528	70	15	in	in	ADP
ajst-2528	70	16	coal	coal	NOUN
ajst-2528	70	17	would	would	AUX
ajst-2528	70	18	also	also	ADV
ajst-2528	70	19	affect	affect	VERB
ajst-2528	70	20	coal	coal	NOUN
ajst-2528	70	21	spontaneous	spontaneous	ADJ
ajst-2528	70	22	combustion	combustion	NOUN
ajst-2528	70	23	.	.	PUNCT
ajst-2528	71	1	(	(	PUNCT
ajst-2528	71	2	1	1	X
ajst-2528	71	3	)	)	PUNCT
ajst-2528	71	4	the	the	DET
ajst-2528	71	5	effect	effect	NOUN
ajst-2528	71	6	of	of	ADP
ajst-2528	71	7	particle	particle	NOUN
ajst-2528	71	8	size	size	NOUN
ajst-2528	71	9	the	the	DET
ajst-2528	71	10	pore	pore	ADJ
ajst-2528	71	11	structure	structure	NOUN
ajst-2528	71	12	of	of	ADP
ajst-2528	71	13	coal	coal	NOUN
ajst-2528	71	14	samples	sample	NOUN
ajst-2528	71	15	would	would	AUX
ajst-2528	71	16	affect	affect	VERB
ajst-2528	71	17	the	the	DET
ajst-2528	71	18	natural	natural	ADJ
ajst-2528	71	19	propensity	propensity	NOUN
ajst-2528	71	20	of	of	ADP
ajst-2528	71	21	coal	coal	NOUN
ajst-2528	71	22	,	,	PUNCT
ajst-2528	71	23	and	and	CCONJ
ajst-2528	71	24	the	the	PRON
ajst-2528	71	25	larger	large	ADJ
ajst-2528	71	26	the	the	DET
ajst-2528	71	27	specific	specific	ADJ
ajst-2528	71	28	surface	surface	NOUN
ajst-2528	71	29	area	area	NOUN
ajst-2528	71	30	of	of	ADP
ajst-2528	71	31	coal	coal	NOUN
ajst-2528	71	32	,	,	PUNCT
ajst-2528	71	33	the	the	PRON
ajst-2528	71	34	easier	easy	ADJ
ajst-2528	71	35	it	it	PRON
ajst-2528	71	36	was	be	AUX
ajst-2528	71	37	to	to	ADP
ajst-2528	71	38	spontaneously	spontaneously	ADV
ajst-2528	71	39	ignite[24	ignite[24	NOUN
ajst-2528	71	40	]	]	PUNCT
ajst-2528	71	41	.	.	PUNCT
ajst-2528	72	1	(	(	PUNCT
ajst-2528	72	2	2	2	X
ajst-2528	72	3	)	)	PUNCT
ajst-2528	72	4	the	the	DET
ajst-2528	72	5	influence	influence	NOUN
ajst-2528	72	6	of	of	ADP
ajst-2528	72	7	moisture	moisture	NOUN
ajst-2528	72	8	due	due	ADP
ajst-2528	72	9	to	to	ADP
ajst-2528	72	10	the	the	DET
ajst-2528	72	11	complex	complex	ADJ
ajst-2528	72	12	geological	geological	ADJ
ajst-2528	72	13	and	and	CCONJ
ajst-2528	72	14	hydrological	hydrological	ADJ
ajst-2528	72	15	conditions	condition	NOUN
ajst-2528	72	16	of	of	ADP
ajst-2528	72	17	the	the	DET
ajst-2528	72	18	mine	mine	NOUN
ajst-2528	72	19	,	,	PUNCT
ajst-2528	72	20	the	the	DET
ajst-2528	72	21	mechanism	mechanism	NOUN
ajst-2528	72	22	of	of	ADP
ajst-2528	72	23	action	action	NOUN
ajst-2528	72	24	of	of	ADP
ajst-2528	72	25	original	original	ADJ
ajst-2528	72	26	moisture	moisture	NOUN
ajst-2528	72	27	in	in	ADP
ajst-2528	72	28	coal	coal	NOUN
ajst-2528	72	29	on	on	ADP
ajst-2528	72	30	coal	coal	NOUN
ajst-2528	72	31	spontaneous	spontaneous	ADJ
ajst-2528	72	32	combustion	combustion	NOUN
ajst-2528	72	33	process	process	NOUN
ajst-2528	72	34	presented	present	VERB
ajst-2528	72	35	phased	phase	VERB
ajst-2528	72	36	characteristics	characteristic	NOUN
ajst-2528	72	37	with	with	ADP
ajst-2528	72	38	the	the	DET
ajst-2528	72	39	development	development	NOUN
ajst-2528	72	40	of	of	ADP
ajst-2528	72	41	coal	coal	NOUN
ajst-2528	72	42	spontaneous	spontaneous	ADJ
ajst-2528	72	43	combustion	combustion	NOUN
ajst-2528	72	44	process[25	process[25	NOUN
ajst-2528	72	45	]	]	X
ajst-2528	72	46	.	.	PUNCT
ajst-2528	73	1	(	(	PUNCT
ajst-2528	73	2	3	3	X
ajst-2528	73	3	)	)	PUNCT
ajst-2528	73	4	the	the	DET
ajst-2528	73	5	influence	influence	NOUN
ajst-2528	73	6	of	of	ADP
ajst-2528	73	7	minerals	mineral	NOUN
ajst-2528	73	8	the	the	DET
ajst-2528	73	9	results	result	NOUN
ajst-2528	73	10	show	show	VERB
ajst-2528	73	11	that	that	SCONJ
ajst-2528	73	12	manganese	manganese	NOUN
ajst-2528	73	13	and	and	CCONJ
ajst-2528	73	14	iron	iron	NOUN
ajst-2528	73	15	ions	ion	NOUN
ajst-2528	73	16	promote	promote	VERB
ajst-2528	73	17	the	the	DET
ajst-2528	73	18	combustion	combustion	NOUN
ajst-2528	73	19	of	of	ADP
ajst-2528	73	20	coal	coal	NOUN
ajst-2528	73	21	,	,	PUNCT
ajst-2528	73	22	while	while	SCONJ
ajst-2528	73	23	calcium	calcium	NOUN
ajst-2528	73	24	and	and	CCONJ
ajst-2528	73	25	magnesium	magnesium	NOUN
ajst-2528	73	26	ions	ion	NOUN
ajst-2528	73	27	inhibit	inhibit	VERB
ajst-2528	73	28	the	the	DET
ajst-2528	73	29	spontaneous	spontaneous	ADJ
ajst-2528	73	30	combustion	combustion	NOUN
ajst-2528	73	31	of	of	ADP
ajst-2528	73	32	coal.the	coal.the	DET
ajst-2528	73	33	ca2	ca2	PROPN
ajst-2528	73	34	+	+	PROPN
ajst-2528	73	35	could	could	AUX
ajst-2528	73	36	form	form	VERB
ajst-2528	73	37	complexes	complex	NOUN
ajst-2528	73	38	with	with	ADP
ajst-2528	73	39	active	active	ADJ
ajst-2528	73	40	groups	group	NOUN
ajst-2528	73	41	in	in	ADP
ajst-2528	73	42	coal	coal	NOUN
ajst-2528	73	43	through	through	ADP
ajst-2528	73	44	infrared	infrared	PROPN
ajst-2528	73	45	spectrum	spectrum	NOUN
ajst-2528	73	46	and	and	CCONJ
ajst-2528	73	47	tg	tg	PROPN
ajst-2528	73	48	results	result	NOUN
ajst-2528	73	49	,	,	PUNCT
ajst-2528	73	50	which	which	PRON
ajst-2528	73	51	increased	increase	VERB
ajst-2528	73	52	the	the	DET
ajst-2528	73	53	activation	activation	NOUN
ajst-2528	73	54	energy	energy	NOUN
ajst-2528	73	55	of	of	ADP
ajst-2528	73	56	coal	coal	NOUN
ajst-2528	73	57	to	to	ADP
ajst-2528	73	58	a	a	DET
ajst-2528	73	59	certain	certain	ADJ
ajst-2528	73	60	extent	extent	NOUN
ajst-2528	73	61	,	,	PUNCT
ajst-2528	73	62	thus	thus	ADV
ajst-2528	73	63	making	make	VERB
ajst-2528	73	64	coal	coal	NOUN
ajst-2528	73	65	less	less	ADV
ajst-2528	73	66	prone	prone	ADJ
ajst-2528	73	67	to	to	ADP
ajst-2528	73	68	spontaneous	spontaneous	ADJ
ajst-2528	73	69	combustion	combustion	NOUN
ajst-2528	73	70	.	.	PUNCT
ajst-2528	74	1	the	the	DET
ajst-2528	74	2	manganese	manganese	ADJ
ajst-2528	74	3	ions	ion	NOUN
ajst-2528	74	4	could	could	AUX
ajst-2528	74	5	promote	promote	VERB
ajst-2528	74	6	the	the	DET
ajst-2528	74	7	generation	generation	NOUN
ajst-2528	74	8	of	of	ADP
ajst-2528	74	9	free	free	ADJ
ajst-2528	74	10	radicals	radical	NOUN
ajst-2528	74	11	through	through	ADP
ajst-2528	74	12	electron	electron	NOUN
ajst-2528	74	13	transfer	transfer	NOUN
ajst-2528	74	14	,	,	PUNCT
ajst-2528	74	15	and	and	CCONJ
ajst-2528	74	16	phosphorus	phosphorus	NOUN
ajst-2528	74	17	could	could	AUX
ajst-2528	74	18	inhibit	inhibit	VERB
ajst-2528	74	19	the	the	DET
ajst-2528	74	20	oxidation	oxidation	NOUN
ajst-2528	74	21	of	of	ADP
ajst-2528	74	22	coal	coal	NOUN
ajst-2528	74	23	by	by	ADP
ajst-2528	74	24	trapping	trap	VERB
ajst-2528	74	25	free	free	ADJ
ajst-2528	74	26	radicals	radical	NOUN
ajst-2528	74	27	.	.	PUNCT
ajst-2528	75	1	in	in	ADP
ajst-2528	75	2	addition	addition	NOUN
ajst-2528	75	3	,	,	PUNCT
ajst-2528	75	4	the	the	DET
ajst-2528	75	5	content	content	NOUN
ajst-2528	75	6	of	of	ADP
ajst-2528	75	7	mn	mn	PROPN
ajst-2528	75	8	and	and	CCONJ
ajst-2528	75	9	p	p	NOUN
ajst-2528	75	10	in	in	ADP
ajst-2528	75	11	18	18	NUM
ajst-2528	75	12	coal	coal	NOUN
ajst-2528	75	13	fields	field	NOUN
ajst-2528	75	14	in	in	ADP
ajst-2528	75	15	china	china	PROPN
ajst-2528	75	16	is	be	AUX
ajst-2528	75	17	investigated	investigate	VERB
ajst-2528	75	18	,	,	PUNCT
ajst-2528	75	19	and	and	CCONJ
ajst-2528	75	20	the	the	DET
ajst-2528	75	21	investigation	investigation	NOUN
ajst-2528	75	22	finds	find	VERB
ajst-2528	75	23	that	that	SCONJ
ajst-2528	75	24	the	the	DET
ajst-2528	75	25	coal	coal	NOUN
ajst-2528	75	26	mine	mine	NOUN
ajst-2528	75	27	containing	contain	VERB
ajst-2528	75	28	more	more	ADJ
ajst-2528	75	29	p	p	NOUN
ajst-2528	75	30	has	have	VERB
ajst-2528	75	31	fewer	few	ADJ
ajst-2528	75	32	spontaneous	spontaneous	ADJ
ajst-2528	75	33	combustion	combustion	NOUN
ajst-2528	75	34	accidents[26	accidents[26	NOUN
ajst-2528	75	35	]	]	PUNCT
ajst-2528	75	36	.	.	PUNCT
ajst-2528	76	1	(	(	PUNCT
ajst-2528	76	2	4	4	X
ajst-2528	76	3	)	)	PUNCT
ajst-2528	76	4	the	the	DET
ajst-2528	76	5	influence	influence	NOUN
ajst-2528	76	6	of	of	ADP
ajst-2528	76	7	oxidation	oxidation	NOUN
ajst-2528	76	8	temperature	temperature	NOUN
ajst-2528	76	9	and	and	CCONJ
ajst-2528	76	10	time	time	NOUN
ajst-2528	76	11	the	the	DET
ajst-2528	76	12	temperature	temperature	NOUN
ajst-2528	76	13	rise	rise	NOUN
ajst-2528	76	14	rate	rate	NOUN
ajst-2528	76	15	of	of	ADP
ajst-2528	76	16	coal	coal	NOUN
ajst-2528	76	17	is	be	AUX
ajst-2528	76	18	0.2	0.2	NUM
ajst-2528	76	19	,	,	PUNCT
ajst-2528	76	20	0.4	0.4	NUM
ajst-2528	76	21	and	and	CCONJ
ajst-2528	76	22	0.6	0.6	NUM
ajst-2528	76	23	℃	℃	PROPN
ajst-2528	76	24	/min	/min	NOUN
ajst-2528	76	25	in	in	ADP
ajst-2528	76	26	the	the	DET
ajst-2528	76	27	process	process	NOUN
ajst-2528	76	28	of	of	ADP
ajst-2528	76	29	low	low	ADJ
ajst-2528	76	30	temperature	temperature	NOUN
ajst-2528	76	31	oxidation	oxidation	NOUN
ajst-2528	76	32	.	.	PUNCT
ajst-2528	77	1	when	when	SCONJ
ajst-2528	77	2	the	the	DET
ajst-2528	77	3	temperature	temperature	NOUN
ajst-2528	77	4	rise	rise	NOUN
ajst-2528	77	5	rate	rate	NOUN
ajst-2528	77	6	is	be	AUX
ajst-2528	77	7	lower	low	ADJ
ajst-2528	77	8	,	,	PUNCT
ajst-2528	77	9	the	the	DET
ajst-2528	77	10	oxidation	oxidation	NOUN
ajst-2528	77	11	activation	activation	NOUN
ajst-2528	77	12	energy	energy	NOUN
ajst-2528	77	13	of	of	ADP
ajst-2528	77	14	coal	coal	NOUN
ajst-2528	77	15	would	would	AUX
ajst-2528	77	16	be	be	AUX
ajst-2528	77	17	smaller	small	ADJ
ajst-2528	77	18	and	and	CCONJ
ajst-2528	77	19	spontaneous	spontaneous	ADJ
ajst-2528	77	20	combustion	combustion	NOUN
ajst-2528	77	21	would	would	AUX
ajst-2528	77	22	be	be	AUX
ajst-2528	77	23	easier	easy	ADJ
ajst-2528	77	24	.	.	PUNCT
ajst-2528	78	1	besides	besides	SCONJ
ajst-2528	78	2	,	,	PUNCT
ajst-2528	78	3	compared	compare	VERB
ajst-2528	78	4	with	with	ADP
ajst-2528	78	5	the	the	DET
ajst-2528	78	6	high	high	ADJ
ajst-2528	78	7	temperature	temperature	NOUN
ajst-2528	78	8	rise	rise	NOUN
ajst-2528	78	9	rate	rate	NOUN
ajst-2528	78	10	,	,	PUNCT
ajst-2528	78	11	coal	coal	NOUN
ajst-2528	78	12	would	would	AUX
ajst-2528	78	13	burn	burn	VERB
ajst-2528	78	14	more	more	ADV
ajst-2528	78	15	completely	completely	ADV
ajst-2528	78	16	and	and	CCONJ
ajst-2528	78	17	release	release	VERB
ajst-2528	78	18	higher	high	ADJ
ajst-2528	78	19	heat	heat	NOUN
ajst-2528	78	20	in	in	ADP
ajst-2528	78	21	the	the	DET
ajst-2528	78	22	process	process	NOUN
ajst-2528	78	23	.	.	PUNCT
ajst-2528	79	1	temperature	temperature	NOUN
ajst-2528	79	2	is	be	AUX
ajst-2528	79	3	one	one	NUM
ajst-2528	79	4	of	of	ADP
ajst-2528	79	5	the	the	DET
ajst-2528	79	6	main	main	ADJ
ajst-2528	79	7	reasons	reason	NOUN
ajst-2528	79	8	affecting	affect	VERB
ajst-2528	79	9	the	the	DET
ajst-2528	79	10	degree	degree	NOUN
ajst-2528	79	11	of	of	ADP
ajst-2528	79	12	coal	coal	NOUN
ajst-2528	79	13	metamorphism	metamorphism	NOUN
ajst-2528	79	14	.	.	PUNCT
ajst-2528	80	1	temperature	temperature	NOUN
ajst-2528	80	2	would	would	AUX
ajst-2528	80	3	cause	cause	VERB
ajst-2528	80	4	chemical	chemical	ADJ
ajst-2528	80	5	changes	change	NOUN
ajst-2528	80	6	in	in	ADP
ajst-2528	80	7	the	the	DET
ajst-2528	80	8	aromatic	aromatic	ADJ
ajst-2528	80	9	structure	structure	NOUN
ajst-2528	80	10	of	of	ADP
ajst-2528	80	11	coal	coal	NOUN
ajst-2528	80	12	,	,	PUNCT
ajst-2528	80	13	resulting	result	VERB
ajst-2528	80	14	in	in	ADP
ajst-2528	80	15	the	the	DET
ajst-2528	80	16	reduction	reduction	NOUN
ajst-2528	80	17	of	of	ADP
ajst-2528	80	18	functional	functional	ADJ
ajst-2528	80	19	groups	group	NOUN
ajst-2528	80	20	and	and	CCONJ
ajst-2528	80	21	bonds	bond	NOUN
ajst-2528	80	22	,	,	PUNCT
ajst-2528	80	23	chain	chain	NOUN
ajst-2528	80	24	shortening	shortening	NOUN
ajst-2528	80	25	and	and	CCONJ
ajst-2528	80	26	polycondensation	polycondensation	NOUN
ajst-2528	80	27	,	,	PUNCT
ajst-2528	80	28	thus	thus	ADV
ajst-2528	80	29	increasing	increase	VERB
ajst-2528	80	30	the	the	DET
ajst-2528	80	31	degree	degree	NOUN
ajst-2528	80	32	of	of	ADP
ajst-2528	80	33	coal	coal	NOUN
ajst-2528	80	34	metamorphism	metamorphism	NOUN
ajst-2528	80	35	and	and	CCONJ
ajst-2528	80	36	making	make	VERB
ajst-2528	80	37	it	it	PRON
ajst-2528	80	38	more	more	ADV
ajst-2528	80	39	stable	stable	ADJ
ajst-2528	80	40	,	,	PUNCT
ajst-2528	80	41	and	and	CCONJ
ajst-2528	80	42	the	the	DET
ajst-2528	80	43	number	number	NOUN
ajst-2528	80	44	of	of	ADP
ajst-2528	80	45	oxygen	oxygen	NOUN
ajst-2528	80	46	molecules	molecule	NOUN
ajst-2528	80	47	combined	combine	VERB
ajst-2528	80	48	with	with	ADP
ajst-2528	80	49	it	it	PRON
ajst-2528	80	50	would	would	AUX
ajst-2528	80	51	decrease	decrease	VERB
ajst-2528	80	52	,	,	PUNCT
ajst-2528	80	53	and	and	CCONJ
ajst-2528	80	54	the	the	DET
ajst-2528	80	55	oxygen	oxygen	NOUN
ajst-2528	80	56	consumption	consumption	NOUN
ajst-2528	80	57	would	would	AUX
ajst-2528	80	58	also	also	ADV
ajst-2528	80	59	decrease[27	decrease[27	PRON
ajst-2528	80	60	]	]	PUNCT
ajst-2528	80	61	.	.	PUNCT
ajst-2528	81	1	(	(	PUNCT
ajst-2528	81	2	5	5	X
ajst-2528	81	3	)	)	PUNCT
ajst-2528	81	4	the	the	DET
ajst-2528	81	5	effect	effect	NOUN
ajst-2528	81	6	of	of	ADP
ajst-2528	81	7	sulfur	sulfur	NOUN
ajst-2528	81	8	content	content	NOUN
ajst-2528	81	9	the	the	DET
ajst-2528	81	10	content	content	NOUN
ajst-2528	81	11	of	of	ADP
ajst-2528	81	12	some	some	DET
ajst-2528	81	13	active	active	ADJ
ajst-2528	81	14	functional	functional	ADJ
ajst-2528	81	15	groups	group	NOUN
ajst-2528	81	16	in	in	ADP
ajst-2528	81	17	the	the	DET
ajst-2528	81	18	coal	coal	NOUN
ajst-2528	81	19	sample	sample	NOUN
ajst-2528	81	20	with	with	ADP
ajst-2528	81	21	pyrite	pyrite	NOUN
ajst-2528	81	22	increased	increase	VERB
ajst-2528	81	23	compared	compare	VERB
ajst-2528	81	24	with	with	ADP
ajst-2528	81	25	the	the	DET
ajst-2528	81	26	blank	blank	ADJ
ajst-2528	81	27	sample	sample	NOUN
ajst-2528	81	28	.	.	PUNCT
ajst-2528	82	1	moreover	moreover	ADV
ajst-2528	82	2	,	,	PUNCT
ajst-2528	82	3	the	the	DET
ajst-2528	82	4	experiment	experiment	NOUN
ajst-2528	82	5	proved	prove	VERB
ajst-2528	82	6	that	that	SCONJ
ajst-2528	82	7	pyrite	pyrite	NOUN
ajst-2528	82	8	would	would	AUX
ajst-2528	82	9	accelerate	accelerate	VERB
ajst-2528	82	10	the	the	DET
ajst-2528	82	11	spontaneous	spontaneous	ADJ
ajst-2528	82	12	combustion	combustion	NOUN
ajst-2528	82	13	process	process	NOUN
ajst-2528	82	14	of	of	ADP
ajst-2528	82	15	coal	coal	NOUN
ajst-2528	82	16	gradually	gradually	ADV
ajst-2528	82	17	and	and	CCONJ
ajst-2528	82	18	promote	promote	VERB
ajst-2528	82	19	the	the	DET
ajst-2528	82	20	spontaneous	spontaneous	ADJ
ajst-2528	82	21	combustion	combustion	NOUN
ajst-2528	82	22	of	of	ADP
ajst-2528	82	23	coal[28	coal[28	NOUN
ajst-2528	82	24	]	]	PUNCT
ajst-2528	82	25	.	.	PUNCT
ajst-2528	83	1	(	(	PUNCT
ajst-2528	83	2	6	6	X
ajst-2528	83	3	)	)	PUNCT
ajst-2528	83	4	the	the	DET
ajst-2528	83	5	effect	effect	NOUN
ajst-2528	83	6	of	of	ADP
ajst-2528	83	7	oxygen	oxygen	NOUN
ajst-2528	83	8	concentration	concentration	NOUN
ajst-2528	83	9	the	the	DET
ajst-2528	83	10	accelerated	accelerated	ADJ
ajst-2528	83	11	oxidation	oxidation	NOUN
ajst-2528	83	12	stage	stage	NOUN
ajst-2528	83	13	of	of	ADP
ajst-2528	83	14	coal	coal	NOUN
ajst-2528	83	15	spontaneous	spontaneous	ADJ
ajst-2528	83	16	combustion	combustion	NOUN
ajst-2528	83	17	could	could	AUX
ajst-2528	83	18	be	be	AUX
ajst-2528	83	19	delayed	delay	VERB
ajst-2528	83	20	by	by	ADP
ajst-2528	83	21	reducing	reduce	VERB
ajst-2528	83	22	the	the	DET
ajst-2528	83	23	oxygen	oxygen	NOUN
ajst-2528	83	24	concentration	concentration	NOUN
ajst-2528	83	25	,	,	PUNCT
ajst-2528	83	26	and	and	CCONJ
ajst-2528	83	27	the	the	DET
ajst-2528	83	28	critical	critical	ADJ
ajst-2528	83	29	oxygen	oxygen	NOUN
ajst-2528	83	30	volume	volume	NOUN
ajst-2528	83	31	fraction	fraction	NOUN
ajst-2528	83	32	value	value	NOUN
ajst-2528	83	33	of	of	ADP
ajst-2528	83	34	coal	coal	NOUN
ajst-2528	83	35	spontaneous	spontaneous	ADJ
ajst-2528	83	36	combustion	combustion	NOUN
ajst-2528	83	37	was	be	AUX
ajst-2528	83	38	9	9	NUM
ajst-2528	83	39	%	%	NOUN
ajst-2528	83	40	.	.	PUNCT
ajst-2528	84	1	the	the	DET
ajst-2528	84	2	carbon	carbon	NOUN
ajst-2528	84	3	-	-	PUNCT
ajst-2528	84	4	oxygen	oxygen	NOUN
ajst-2528	84	5	group	group	NOUN
ajst-2528	84	6	was	be	AUX
ajst-2528	84	7	the	the	DET
ajst-2528	84	8	oxidation	oxidation	ADJ
ajst-2528	84	9	intermediate	intermediate	ADJ
ajst-2528	84	10	functional	functional	ADJ
ajst-2528	84	11	group	group	NOUN
ajst-2528	84	12	of	of	ADP
ajst-2528	84	13	co	co	AUX
ajst-2528	84	14	generated	generate	VERB
ajst-2528	84	15	by	by	ADP
ajst-2528	84	16	low	low	ADJ
ajst-2528	84	17	-	-	PUNCT
ajst-2528	84	18	metamorphic	metamorphic	ADJ
ajst-2528	84	19	coal	coal	NOUN
ajst-2528	84	20	oxidation	oxidation	NOUN
ajst-2528	84	21	at	at	ADP
ajst-2528	84	22	low	low	ADJ
ajst-2528	84	23	temperature	temperature	NOUN
ajst-2528	84	24	by	by	ADP
ajst-2528	84	25	comparing	compare	VERB
ajst-2528	84	26	the	the	DET
ajst-2528	84	27	functional	functional	ADJ
ajst-2528	84	28	groups	group	NOUN
ajst-2528	84	29	of	of	ADP
ajst-2528	84	30	coal	coal	NOUN
ajst-2528	84	31	samples	sample	NOUN
ajst-2528	84	32	treated	treat	VERB
ajst-2528	84	33	with	with	ADP
ajst-2528	84	34	and	and	CCONJ
ajst-2528	84	35	without	without	ADP
ajst-2528	84	36	oxygen	oxygen	NOUN
ajst-2528	84	37	isolation	isolation	NOUN
ajst-2528	84	38	heating	heating	NOUN
ajst-2528	84	39	.	.	PUNCT
ajst-2528	85	1	when	when	SCONJ
ajst-2528	85	2	the	the	DET
ajst-2528	85	3	coal	coal	NOUN
ajst-2528	85	4	rank	rank	NOUN
ajst-2528	85	5	increased	increase	VERB
ajst-2528	85	6	,	,	PUNCT
ajst-2528	85	7	the	the	DET
ajst-2528	85	8	coal	coal	NOUN
ajst-2528	85	9	would	would	AUX
ajst-2528	85	10	be	be	AUX
ajst-2528	85	11	less	less	ADV
ajst-2528	85	12	likely	likely	ADJ
ajst-2528	85	13	to	to	PART
ajst-2528	85	14	spontaneous	spontaneous	ADJ
ajst-2528	85	15	combustion	combustion	NOUN
ajst-2528	85	16	and	and	CCONJ
ajst-2528	85	17	more	more	ADV
ajst-2528	85	18	difficult	difficult	ADJ
ajst-2528	85	19	to	to	PART
ajst-2528	85	20	burn	burn	VERB
ajst-2528	85	21	out	out	ADP
ajst-2528	85	22	,	,	PUNCT
ajst-2528	85	23	while	while	SCONJ
ajst-2528	85	24	when	when	SCONJ
ajst-2528	85	25	the	the	DET
ajst-2528	85	26	coal	coal	NOUN
ajst-2528	85	27	sample	sample	NOUN
ajst-2528	85	28	of	of	ADP
ajst-2528	85	29	the	the	DET
ajst-2528	85	30	same	same	ADJ
ajst-2528	85	31	rank	rank	NOUN
ajst-2528	85	32	increased	increase	VERB
ajst-2528	85	33	with	with	ADP
ajst-2528	85	34	the	the	DET
ajst-2528	85	35	oxygen	oxygen	NOUN
ajst-2528	85	36	volume	volume	NOUN
ajst-2528	85	37	fraction	fraction	NOUN
ajst-2528	85	38	,	,	PUNCT
ajst-2528	85	39	the	the	DET
ajst-2528	85	40	coal	coal	NOUN
ajst-2528	85	41	oxygen	oxygen	NOUN
ajst-2528	85	42	reaction	reaction	NOUN
ajst-2528	85	43	was	be	AUX
ajst-2528	85	44	more	more	ADV
ajst-2528	85	45	likely	likely	ADJ
ajst-2528	85	46	to	to	PART
ajst-2528	85	47	occur	occur	VERB
ajst-2528	85	48	.	.	PUNCT
ajst-2528	86	1	compared	compare	VERB
ajst-2528	86	2	with	with	ADP
ajst-2528	86	3	gas	gas	NOUN
ajst-2528	86	4	and	and	CCONJ
ajst-2528	86	5	coal	coal	NOUN
ajst-2528	86	6	,	,	PUNCT
ajst-2528	86	7	c2h6	c2h6	PROPN
ajst-2528	86	8	is	be	AUX
ajst-2528	86	9	more	more	ADV
ajst-2528	86	10	sensitive	sensitive	ADJ
ajst-2528	86	11	to	to	ADP
ajst-2528	86	12	changes	change	NOUN
ajst-2528	86	13	in	in	ADP
ajst-2528	86	14	test	test	NOUN
ajst-2528	86	15	conditions	condition	NOUN
ajst-2528	86	16	.	.	PUNCT
ajst-2528	87	1	when	when	SCONJ
ajst-2528	87	2	oxygen	oxygen	NOUN
ajst-2528	87	3	concentration	concentration	NOUN
ajst-2528	87	4	changes	change	NOUN
ajst-2528	87	5	,	,	PUNCT
ajst-2528	87	6	the	the	DET
ajst-2528	87	7	initial	initial	ADJ
ajst-2528	87	8	temperature	temperature	NOUN
ajst-2528	87	9	generated	generate	VERB
ajst-2528	87	10	by	by	ADP
ajst-2528	87	11	c2h6	c2h6	PROPN
ajst-2528	87	12	would	would	AUX
ajst-2528	87	13	also	also	ADV
ajst-2528	87	14	change	change	VERB
ajst-2528	87	15	,	,	PUNCT
ajst-2528	87	16	so	so	CCONJ
ajst-2528	87	17	c2h6	c2h6	PROPN
ajst-2528	87	18	can	can	AUX
ajst-2528	87	19	be	be	AUX
ajst-2528	87	20	used	use	VERB
ajst-2528	87	21	as	as	ADP
ajst-2528	87	22	an	an	DET
ajst-2528	87	23	indicator	indicator	NOUN
ajst-2528	87	24	gas	gas	NOUN
ajst-2528	87	25	to	to	PART
ajst-2528	87	26	judge	judge	VERB
ajst-2528	87	27	the	the	DET
ajst-2528	87	28	degree	degree	NOUN
ajst-2528	87	29	of	of	ADP
ajst-2528	87	30	spontaneous	spontaneous	ADJ
ajst-2528	87	31	combustion	combustion	NOUN
ajst-2528	87	32	of	of	ADP
ajst-2528	87	33	coal[29	coal[29	PROPN
ajst-2528	87	34	]	]	X
ajst-2528	87	35	.	.	PUNCT
ajst-2528	88	1	(	(	PUNCT
ajst-2528	88	2	7	7	X
ajst-2528	88	3	)	)	PUNCT
ajst-2528	88	4	the	the	DET
ajst-2528	88	5	influence	influence	NOUN
ajst-2528	88	6	of	of	ADP
ajst-2528	88	7	coal	coal	NOUN
ajst-2528	88	8	and	and	CCONJ
ajst-2528	88	9	rock	rock	NOUN
ajst-2528	88	10	composition	composition	NOUN
ajst-2528	88	11	according	accord	VERB
ajst-2528	88	12	to	to	ADP
ajst-2528	88	13	the	the	DET
ajst-2528	88	14	relevant	relevant	ADJ
ajst-2528	88	15	theories	theory	NOUN
ajst-2528	88	16	of	of	ADP
ajst-2528	88	17	coal	coal	NOUN
ajst-2528	88	18	petrology	petrology	NOUN
ajst-2528	88	19	,	,	PUNCT
ajst-2528	88	20	the	the	DET
ajst-2528	88	21	macroscopic	macroscopic	ADJ
ajst-2528	88	22	components	component	NOUN
ajst-2528	88	23	of	of	ADP
ajst-2528	88	24	coal	coal	NOUN
ajst-2528	88	25	include	include	VERB
ajst-2528	88	26	bright	bright	ADJ
ajst-2528	88	27	coal	coal	NOUN
ajst-2528	88	28	,	,	PUNCT
ajst-2528	88	29	dark	dark	ADJ
ajst-2528	88	30	coal	coal	NOUN
ajst-2528	88	31	,	,	PUNCT
ajst-2528	88	32	mirror	mirror	NOUN
ajst-2528	88	33	coal	coal	NOUN
ajst-2528	88	34	and	and	CCONJ
ajst-2528	88	35	silk	silk	NOUN
ajst-2528	88	36	carbon	carbon	NOUN
ajst-2528	88	37	.	.	PUNCT
ajst-2528	89	1	while	while	SCONJ
ajst-2528	89	2	silk	silk	NOUN
ajst-2528	89	3	carbon	carbon	NOUN
ajst-2528	89	4	is	be	AUX
ajst-2528	89	5	the	the	DET
ajst-2528	89	6	least	least	ADV
ajst-2528	89	7	easily	easily	ADV
ajst-2528	89	8	oxidized	oxidize	VERB
ajst-2528	89	9	.	.	PUNCT
ajst-2528	90	1	however	however	ADV
ajst-2528	90	2	,	,	PUNCT
ajst-2528	90	3	it	it	PRON
ajst-2528	90	4	is	be	AUX
ajst-2528	90	5	proved	prove	VERB
ajst-2528	90	6	through	through	ADP
ajst-2528	90	7	the	the	DET
ajst-2528	90	8	ignition	ignition	NOUN
ajst-2528	90	9	temperature	temperature	NOUN
ajst-2528	90	10	experiment	experiment	NOUN
ajst-2528	90	11	of	of	ADP
ajst-2528	90	12	coal	coal	NOUN
ajst-2528	90	13	and	and	CCONJ
ajst-2528	90	14	rock	rock	NOUN
ajst-2528	90	15	components	component	NOUN
ajst-2528	90	16	that	that	PRON
ajst-2528	90	17	due	due	ADP
ajst-2528	90	18	to	to	ADP
ajst-2528	90	19	the	the	DET
ajst-2528	90	20	large	large	ADJ
ajst-2528	90	21	specific	specific	ADJ
ajst-2528	90	22	surface	surface	NOUN
ajst-2528	90	23	area	area	NOUN
ajst-2528	90	24	,	,	PUNCT
ajst-2528	90	25	silk	silk	NOUN
ajst-2528	90	26	carbon	carbon	NOUN
ajst-2528	90	27	can	can	AUX
ajst-2528	90	28	adsorb	adsorb	VERB
ajst-2528	90	29	more	more	ADJ
ajst-2528	90	30	oxygen	oxygen	NOUN
ajst-2528	90	31	at	at	ADP
ajst-2528	90	32	low	low	ADJ
ajst-2528	90	33	temperature	temperature	NOUN
ajst-2528	90	34	and	and	CCONJ
ajst-2528	90	35	react	react	VERB
ajst-2528	90	36	most	most	ADV
ajst-2528	90	37	fully	fully	ADV
ajst-2528	90	38	with	with	ADP
ajst-2528	90	39	oxygen	oxygen	NOUN
ajst-2528	90	40	,	,	PUNCT
ajst-2528	90	41	so	so	SCONJ
ajst-2528	90	42	it	it	PRON
ajst-2528	90	43	has	have	VERB
ajst-2528	90	44	a	a	DET
ajst-2528	90	45	high	high	ADJ
ajst-2528	90	46	spontaneous	spontaneous	ADJ
ajst-2528	90	47	ignition	ignition	NOUN
ajst-2528	90	48	tendency	tendency	NOUN
ajst-2528	90	49	.	.	PUNCT
ajst-2528	91	1	at	at	ADP
ajst-2528	91	2	the	the	DET
ajst-2528	91	3	same	same	ADJ
ajst-2528	91	4	time	time	NOUN
ajst-2528	91	5	,	,	PUNCT
ajst-2528	91	6	the	the	DET
ajst-2528	91	7	large	large	ADJ
ajst-2528	91	8	holes	hole	NOUN
ajst-2528	91	9	in	in	ADP
ajst-2528	91	10	the	the	DET
ajst-2528	91	11	silk	silk	NOUN
ajst-2528	91	12	charcoal	charcoal	NOUN
ajst-2528	91	13	can	can	AUX
ajst-2528	91	14	also	also	ADV
ajst-2528	91	15	provide	provide	VERB
ajst-2528	91	16	oxygen	oxygen	NOUN
ajst-2528	91	17	channels	channel	NOUN
ajst-2528	91	18	,	,	PUNCT
ajst-2528	91	19	which	which	PRON
ajst-2528	91	20	is	be	AUX
ajst-2528	91	21	helpful	helpful	ADJ
ajst-2528	91	22	for	for	ADP
ajst-2528	91	23	the	the	DET
ajst-2528	91	24	combustion	combustion	NOUN
ajst-2528	91	25	of	of	ADP
ajst-2528	91	26	other	other	ADJ
ajst-2528	91	27	components	component	NOUN
ajst-2528	91	28	in	in	ADP
ajst-2528	91	29	the	the	DET
ajst-2528	91	30	coal	coal	NOUN
ajst-2528	91	31	.	.	PUNCT
ajst-2528	92	1	it	it	PRON
ajst-2528	92	2	is	be	AUX
ajst-2528	92	3	also	also	ADV
ajst-2528	92	4	found	find	VERB
ajst-2528	92	5	that	that	SCONJ
ajst-2528	92	6	pyrite	pyrite	NOUN
ajst-2528	92	7	is	be	AUX
ajst-2528	92	8	usually	usually	ADV
ajst-2528	92	9	included	include	VERB
ajst-2528	92	10	in	in	ADP
ajst-2528	92	11	the	the	DET
ajst-2528	92	12	silk	silk	NOUN
ajst-2528	92	13	carbon	carbon	NOUN
ajst-2528	92	14	,	,	PUNCT
ajst-2528	92	15	which	which	PRON
ajst-2528	92	16	further	far	ADV
ajst-2528	92	17	promotes	promote	VERB
ajst-2528	92	18	the	the	DET
ajst-2528	92	19	oxidation	oxidation	NOUN
ajst-2528	92	20	heat	heat	NOUN
ajst-2528	92	21	release	release	NOUN
ajst-2528	92	22	of	of	ADP
ajst-2528	92	23	coal[30	coal[30	NOUN
ajst-2528	92	24	]	]	PUNCT
ajst-2528	92	25	.	.	PUNCT
ajst-2528	92	26	　 	　 	SPACE
ajst-2528	93	1	(	(	PUNCT
ajst-2528	93	2	8)	8)	NUM
ajst-2528	93	3	influence	influence	NOUN
ajst-2528	93	4	of	of	ADP
ajst-2528	93	5	ash	ash	NOUN
ajst-2528	93	6	content	content	NOUN
ajst-2528	93	7	the	the	DET
ajst-2528	93	8	spontaneous	spontaneous	ADJ
ajst-2528	93	9	combustion	combustion	NOUN
ajst-2528	93	10	tendency	tendency	NOUN
ajst-2528	93	11	of	of	ADP
ajst-2528	93	12	coal	coal	NOUN
ajst-2528	93	13	would	would	AUX
ajst-2528	93	14	first	first	ADV
ajst-2528	93	15	21	21	NUM
ajst-2528	93	16	increase	increase	NOUN
ajst-2528	93	17	and	and	CCONJ
ajst-2528	93	18	then	then	ADV
ajst-2528	93	19	decrease	decrease	VERB
ajst-2528	93	20	with	with	ADP
ajst-2528	93	21	the	the	DET
ajst-2528	93	22	increase	increase	NOUN
ajst-2528	93	23	of	of	ADP
ajst-2528	93	24	ash	ash	NOUN
ajst-2528	93	25	content	content	NOUN
ajst-2528	93	26	,	,	PUNCT
ajst-2528	93	27	and	and	CCONJ
ajst-2528	93	28	the	the	DET
ajst-2528	93	29	critical	critical	ADJ
ajst-2528	93	30	ash	ash	NOUN
ajst-2528	93	31	content	content	NOUN
ajst-2528	93	32	was	be	AUX
ajst-2528	93	33	40%[31	40%[31	NOUN
ajst-2528	93	34	]	]	PUNCT
ajst-2528	93	35	.	.	PUNCT
ajst-2528	94	1	(	(	PUNCT
ajst-2528	94	2	9	9	X
ajst-2528	94	3	)	)	PUNCT
ajst-2528	94	4	the	the	DET
ajst-2528	94	5	effect	effect	NOUN
ajst-2528	94	6	of	of	ADP
ajst-2528	94	7	volatile	volatile	ADJ
ajst-2528	94	8	matter	matter	NOUN
ajst-2528	94	9	the	the	DET
ajst-2528	94	10	relationship	relationship	NOUN
ajst-2528	94	11	between	between	ADP
ajst-2528	94	12	the	the	DET
ajst-2528	94	13	quality	quality	NOUN
ajst-2528	94	14	of	of	ADP
ajst-2528	94	15	coal	coal	NOUN
ajst-2528	94	16	samples	sample	NOUN
ajst-2528	94	17	and	and	CCONJ
ajst-2528	94	18	the	the	DET
ajst-2528	94	19	production	production	NOUN
ajst-2528	94	20	amount	amount	NOUN
ajst-2528	94	21	of	of	ADP
ajst-2528	94	22	carbon	carbon	NOUN
ajst-2528	94	23	oxides	oxide	NOUN
ajst-2528	94	24	,	,	PUNCT
ajst-2528	94	25	and	and	CCONJ
ajst-2528	94	26	found	find	VERB
ajst-2528	94	27	that	that	SCONJ
ajst-2528	94	28	there	there	PRON
ajst-2528	94	29	were	be	VERB
ajst-2528	94	30	two	two	NUM
ajst-2528	94	31	sources	source	NOUN
ajst-2528	94	32	of	of	ADP
ajst-2528	94	33	carbon	carbon	NOUN
ajst-2528	94	34	oxides	oxide	NOUN
ajst-2528	94	35	,	,	PUNCT
ajst-2528	94	36	namely	namely	ADV
ajst-2528	94	37	,	,	PUNCT
ajst-2528	94	38	the	the	DET
ajst-2528	94	39	oxygencontaining	oxygencontaining	ADJ
ajst-2528	94	40	functional	functional	ADJ
ajst-2528	94	41	groups	group	NOUN
ajst-2528	94	42	in	in	ADP
ajst-2528	94	43	coal	coal	NOUN
ajst-2528	94	44	and	and	CCONJ
ajst-2528	94	45	the	the	DET
ajst-2528	94	46	reaction	reaction	NOUN
ajst-2528	94	47	with	with	ADP
ajst-2528	94	48	coal	coal	NOUN
ajst-2528	94	49	oxygen	oxygen	NOUN
ajst-2528	94	50	.	.	PUNCT
ajst-2528	95	1	the	the	DET
ajst-2528	95	2	number	number	NOUN
ajst-2528	95	3	of	of	ADP
ajst-2528	95	4	active	active	ADJ
ajst-2528	95	5	functional	functional	ADJ
ajst-2528	95	6	groups	group	NOUN
ajst-2528	95	7	in	in	ADP
ajst-2528	95	8	coal	coal	NOUN
ajst-2528	95	9	was	be	AUX
ajst-2528	95	10	in	in	ADP
ajst-2528	95	11	positive	positive	ADJ
ajst-2528	95	12	proportion	proportion	NOUN
ajst-2528	95	13	to	to	ADP
ajst-2528	95	14	the	the	DET
ajst-2528	95	15	difficulty	difficulty	NOUN
ajst-2528	95	16	of	of	ADP
ajst-2528	95	17	coal	coal	NOUN
ajst-2528	95	18	spontaneous	spontaneous	ADJ
ajst-2528	95	19	combustion	combustion	NOUN
ajst-2528	95	20	.	.	PUNCT
ajst-2528	96	1	the	the	DET
ajst-2528	96	2	spontaneous	spontaneous	ADJ
ajst-2528	96	3	combustion	combustion	NOUN
ajst-2528	96	4	tendency	tendency	NOUN
ajst-2528	96	5	of	of	ADP
ajst-2528	96	6	coal	coal	NOUN
ajst-2528	96	7	was	be	AUX
ajst-2528	96	8	related	relate	VERB
ajst-2528	96	9	to	to	ADP
ajst-2528	96	10	the	the	DET
ajst-2528	96	11	content	content	NOUN
ajst-2528	96	12	of	of	ADP
ajst-2528	96	13	aryl	aryl	NOUN
ajst-2528	96	14	hydrocarbon	hydrocarbon	NOUN
ajst-2528	96	15	c	c	NOUN
ajst-2528	96	16	=	=	X
ajst-2528	96	17	c-	c-	X
ajst-2528	96	18	,	,	PUNCT
ajst-2528	96	19	and	and	CCONJ
ajst-2528	96	20	when	when	SCONJ
ajst-2528	96	21	the	the	DET
ajst-2528	96	22	content	content	NOUN
ajst-2528	96	23	of	of	ADP
ajst-2528	96	24	aryl	aryl	NOUN
ajst-2528	96	25	hydrocarbon	hydrocarbon	NOUN
ajst-2528	96	26	increased	increase	VERB
ajst-2528	96	27	,	,	PUNCT
ajst-2528	96	28	the	the	DET
ajst-2528	96	29	spontaneous	spontaneous	ADJ
ajst-2528	96	30	combustion	combustion	NOUN
ajst-2528	96	31	tendency	tendency	NOUN
ajst-2528	96	32	of	of	ADP
ajst-2528	96	33	coal	coal	NOUN
ajst-2528	96	34	became	become	VERB
ajst-2528	96	35	weaker	weak	ADJ
ajst-2528	96	36	.	.	PUNCT
ajst-2528	97	1	when	when	SCONJ
ajst-2528	97	2	the	the	DET
ajst-2528	97	3	relative	relative	ADJ
ajst-2528	97	4	content	content	NOUN
ajst-2528	97	5	of	of	ADP
ajst-2528	97	6	oxygen	oxygen	NOUN
ajst-2528	97	7	-	-	PUNCT
ajst-2528	97	8	containing	contain	VERB
ajst-2528	97	9	functional	functional	ADJ
ajst-2528	97	10	groups	group	NOUN
ajst-2528	97	11	-cooh	-cooh	ADJ
ajst-2528	97	12	and	and	CCONJ
ajst-2528	97	13	-oh	-oh	NOUN
ajst-2528	97	14	decreases	decrease	NOUN
ajst-2528	97	15	,	,	PUNCT
ajst-2528	97	16	the	the	DET
ajst-2528	97	17	spontaneous	spontaneous	ADJ
ajst-2528	97	18	combustion	combustion	NOUN
ajst-2528	97	19	tendency	tendency	NOUN
ajst-2528	97	20	of	of	ADP
ajst-2528	97	21	coal	coal	NOUN
ajst-2528	97	22	becomes	become	VERB
ajst-2528	97	23	weaker[32	weaker[32	NOUN
ajst-2528	97	24	]	]	PUNCT
ajst-2528	97	25	.	.	PUNCT
ajst-2528	98	1	5	5	X
ajst-2528	98	2	.	.	X
ajst-2528	98	3	conclusion	conclusion	NOUN
ajst-2528	98	4	there	there	PRON
ajst-2528	98	5	are	be	VERB
ajst-2528	98	6	many	many	ADJ
ajst-2528	98	7	influencing	influence	VERB
ajst-2528	98	8	factors	factor	NOUN
ajst-2528	98	9	of	of	ADP
ajst-2528	98	10	coal	coal	NOUN
ajst-2528	98	11	spontaneous	spontaneous	ADJ
ajst-2528	98	12	combustion	combustion	NOUN
ajst-2528	98	13	.	.	PUNCT
ajst-2528	99	1	the	the	DET
ajst-2528	99	2	results	result	NOUN
ajst-2528	99	3	obtained	obtain	VERB
ajst-2528	99	4	by	by	ADP
ajst-2528	99	5	studying	study	VERB
ajst-2528	99	6	coal	coal	NOUN
ajst-2528	99	7	spontaneous	spontaneous	ADJ
ajst-2528	99	8	combustion	combustion	NOUN
ajst-2528	99	9	with	with	ADP
ajst-2528	99	10	a	a	DET
ajst-2528	99	11	single	single	ADJ
ajst-2528	99	12	factor	factor	NOUN
ajst-2528	99	13	are	be	AUX
ajst-2528	99	14	not	not	PART
ajst-2528	99	15	comprehensive	comprehensive	ADJ
ajst-2528	99	16	nor	nor	CCONJ
ajst-2528	99	17	objective.the	objective.the	DET
ajst-2528	99	18	progress	progress	NOUN
ajst-2528	99	19	of	of	ADP
ajst-2528	99	20	science	science	NOUN
ajst-2528	99	21	and	and	CCONJ
ajst-2528	99	22	technology	technology	NOUN
ajst-2528	99	23	and	and	CCONJ
ajst-2528	99	24	the	the	DET
ajst-2528	99	25	improvement	improvement	NOUN
ajst-2528	99	26	of	of	ADP
ajst-2528	99	27	the	the	DET
ajst-2528	99	28	detection	detection	NOUN
ajst-2528	99	29	level	level	NOUN
ajst-2528	99	30	of	of	ADP
ajst-2528	99	31	instruments	instrument	NOUN
ajst-2528	99	32	and	and	CCONJ
ajst-2528	99	33	equipment	equipment	NOUN
ajst-2528	99	34	provide	provide	VERB
ajst-2528	99	35	a	a	DET
ajst-2528	99	36	guarantee	guarantee	NOUN
ajst-2528	99	37	for	for	ADP
ajst-2528	99	38	the	the	DET
ajst-2528	99	39	indepth	indepth	ADJ
ajst-2528	99	40	study	study	NOUN
ajst-2528	99	41	of	of	ADP
ajst-2528	99	42	the	the	DET
ajst-2528	99	43	influencing	influence	VERB
ajst-2528	99	44	factors	factor	NOUN
ajst-2528	99	45	and	and	CCONJ
ajst-2528	99	46	correlation	correlation	NOUN
ajst-2528	99	47	of	of	ADP
ajst-2528	99	48	coal	coal	NOUN
ajst-2528	99	49	spontaneous	spontaneous	ADJ
ajst-2528	99	50	combustion	combustion	NOUN
ajst-2528	99	51	tendency	tendency	NOUN
ajst-2528	99	52	.	.	PUNCT
ajst-2528	100	1	by	by	ADP
ajst-2528	100	2	analyzing	analyze	VERB
ajst-2528	100	3	different	different	ADJ
ajst-2528	100	4	metamorphic	metamorphic	ADJ
ajst-2528	100	5	degree	degree	NOUN
ajst-2528	100	6	of	of	ADP
ajst-2528	100	7	coal	coal	NOUN
ajst-2528	100	8	structure	structure	NOUN
ajst-2528	100	9	and	and	CCONJ
ajst-2528	100	10	composition	composition	NOUN
ajst-2528	100	11	of	of	ADP
ajst-2528	100	12	the	the	DET
ajst-2528	100	13	basic	basic	ADJ
ajst-2528	100	14	data	datum	NOUN
ajst-2528	100	15	itself	itself	PRON
ajst-2528	100	16	,	,	PUNCT
ajst-2528	100	17	probing	probe	VERB
ajst-2528	100	18	into	into	ADP
ajst-2528	100	19	the	the	DET
ajst-2528	100	20	cause	cause	NOUN
ajst-2528	100	21	of	of	ADP
ajst-2528	100	22	the	the	DET
ajst-2528	100	23	coal	coal	NOUN
ajst-2528	100	24	spontaneous	spontaneous	ADJ
ajst-2528	100	25	combustion	combustion	NOUN
ajst-2528	100	26	propensity	propensity	NOUN
ajst-2528	100	27	to	to	PART
ajst-2528	100	28	show	show	VERB
ajst-2528	100	29	differences	difference	NOUN
ajst-2528	100	30	,	,	PUNCT
ajst-2528	100	31	and	and	CCONJ
ajst-2528	100	32	analyzes	analyze	VERB
ajst-2528	100	33	the	the	DET
ajst-2528	100	34	influence	influence	NOUN
ajst-2528	100	35	factors	factor	NOUN
ajst-2528	100	36	on	on	ADP
ajst-2528	100	37	the	the	DET
ajst-2528	100	38	spontaneous	spontaneous	ADJ
ajst-2528	100	39	combustion	combustion	NOUN
ajst-2528	100	40	tendency	tendency	NOUN
ajst-2528	100	41	of	of	ADP
ajst-2528	100	42	"	"	PUNCT
ajst-2528	100	43	contribution	contribution	NOUN
ajst-2528	100	44	value	value	NOUN
ajst-2528	100	45	"	"	PUNCT
ajst-2528	100	46	and	and	CCONJ
ajst-2528	100	47	the	the	DET
ajst-2528	100	48	effect	effect	NOUN
ajst-2528	100	49	of	of	ADP
ajst-2528	100	50	the	the	DET
ajst-2528	100	51	impact	impact	NOUN
ajst-2528	100	52	,	,	PUNCT
ajst-2528	100	53	explore	explore	VERB
ajst-2528	100	54	the	the	DET
ajst-2528	100	55	mechanism	mechanism	NOUN
ajst-2528	100	56	of	of	ADP
ajst-2528	100	57	spontaneous	spontaneous	ADJ
ajst-2528	100	58	combustion	combustion	NOUN
ajst-2528	100	59	,	,	PUNCT
ajst-2528	100	60	can	can	AUX
ajst-2528	100	61	provide	provide	VERB
ajst-2528	100	62	reference	reference	NOUN
ajst-2528	100	63	for	for	ADP
ajst-2528	100	64	the	the	DET
ajst-2528	100	65	study	study	NOUN
ajst-2528	100	66	of	of	ADP
ajst-2528	100	67	the	the	DET
ajst-2528	100	68	coal	coal	NOUN
ajst-2528	100	69	spontaneous	spontaneous	ADJ
ajst-2528	100	70	combustion	combustion	NOUN
ajst-2528	100	71	and	and	CCONJ
ajst-2528	100	72	the	the	DET
ajst-2528	100	73	theory	theory	NOUN
ajst-2528	100	74	support	support	NOUN
ajst-2528	100	75	.	.	PUNCT
ajst-2528	101	1	references	reference	NOUN
ajst-2528	101	2	[	[	X
ajst-2528	101	3	1	1	NUM
ajst-2528	101	4	]	]	X
ajst-2528	101	5	qin	qin	PROPN
ajst-2528	101	6	botao	botao	PROPN
ajst-2528	101	7	,	,	PUNCT
ajst-2528	101	8	zhong	zhong	PROPN
ajst-2528	101	9	xiaoxing	xiaoxing	PROPN
ajst-2528	101	10	,	,	PUNCT
ajst-2528	101	11	wang	wang	PROPN
ajst-2528	101	12	deming	deming	PROPN
ajst-2528	101	13	,	,	PUNCT
ajst-2528	101	14	et	et	NOUN
ajst-2528	101	15	al.ｒesearch	al.ｒesearch	NOUN
ajst-2528	101	16	progress	progress	NOUN
ajst-2528	101	17	of	of	ADP
ajst-2528	101	18	coal	coal	NOUN
ajst-2528	101	19	spontaneous	spontaneous	ADJ
ajst-2528	101	20	combustion	combustion	NOUN
ajst-2528	101	21	process	process	NOUN
ajst-2528	101	22	characteristics	characteristic	NOUN
ajst-2528	101	23	and	and	CCONJ
ajst-2528	101	24	prevention	prevention	NOUN
ajst-2528	101	25	technology[j	technology[j	PROPN
ajst-2528	101	26	]	]	PUNCT
ajst-2528	101	27	.	.	PUNCT
ajst-2528	102	1	coal	coal	NOUN
ajst-2528	102	2	science	science	NOUN
ajst-2528	102	3	and	and	CCONJ
ajst-2528	102	4	technology,2021,49	technology,2021,49	NOUN
ajst-2528	102	5	(	(	PUNCT
ajst-2528	102	6	1	1	NUM
ajst-2528	102	7	)	)	PUNCT
ajst-2528	102	8	:	:	PUNCT
ajst-2528	103	1	6699	6699	NUM
ajst-2528	103	2	[	[	X
ajst-2528	103	3	2	2	NUM
ajst-2528	103	4	]	]	X
ajst-2528	103	5	liangyuntao	liangyuntao	PROPN
ajst-2528	103	6	,	,	PUNCT
ajst-2528	103	7	wang	wang	PROPN
ajst-2528	103	8	wei	wei	PROPN
ajst-2528	103	9	.	.	PUNCT
ajst-2528	104	1	advanced	advanced	ADJ
ajst-2528	104	2	cooperative	cooperative	ADJ
ajst-2528	104	3	prevention	prevention	NOUN
ajst-2528	104	4	and	and	CCONJ
ajst-2528	104	5	control	control	NOUN
ajst-2528	104	6	technology	technology	NOUN
ajst-2528	104	7	of	of	ADP
ajst-2528	104	8	mine	mine	ADJ
ajst-2528	104	9	spontaneous	spontaneous	ADJ
ajst-2528	104	10	combustion	combustion	NOUN
ajst-2528	104	11	fire	fire	NOUN
ajst-2528	104	12	disaster[j	disaster[j	PROPN
ajst-2528	104	13	]	]	PUNCT
ajst-2528	104	14	safety	safety	NOUN
ajst-2528	104	15	in	in	ADP
ajst-2528	104	16	coal	coal	NOUN
ajst-2528	104	17	mines	mine	NOUN
ajst-2528	104	18	,	,	PUNCT
ajst-2528	104	19	2020	2020	NUM
ajst-2528	104	20	,	,	PUNCT
ajst-2528	104	21	51(10	51(10	NUM
ajst-2528	104	22	):	):	PUNCT
ajst-2528	104	23	39	39	NUM
ajst-2528	104	24	-	-	SYM
ajst-2528	104	25	45	45	NUM
ajst-2528	105	1	[	[	X
ajst-2528	105	2	3	3	NUM
ajst-2528	105	3	]	]	X
ajst-2528	105	4	zhu	zhu	PROPN
ajst-2528	105	5	hongqing	hongqing	PROPN
ajst-2528	105	6	,	,	PUNCT
ajst-2528	105	7	hu	hu	PROPN
ajst-2528	105	8	chao	chao	PROPN
ajst-2528	105	9	,	,	PUNCT
ajst-2528	105	10	zhang	zhang	PROPN
ajst-2528	105	11	yongbin	yongbin	PROPN
ajst-2528	105	12	,	,	PUNCT
ajst-2528	105	13	et	et	NOUN
ajst-2528	105	14	al.research	al.research	PRON
ajst-2528	105	15	status	status	NOUN
ajst-2528	105	16	on	on	ADP
ajst-2528	105	17	prevention	prevention	NOUN
ajst-2528	105	18	and	and	CCONJ
ajst-2528	105	19	control	control	NOUN
ajst-2528	105	20	technology	technology	NOUN
ajst-2528	105	21	of	of	ADP
ajst-2528	105	22	coal	coal	NOUN
ajst-2528	105	23	spontaneous	spontaneous	ADJ
ajst-2528	105	24	fire	fire	NOUN
ajst-2528	105	25	in	in	ADP
ajst-2528	105	26	china[j	china[j	PROPN
ajst-2528	105	27	]	]	PUNCT
ajst-2528	105	28	.	.	PUNCT
ajst-2528	106	1	safety	safety	NOUN
ajst-2528	106	2	in	in	ADP
ajst-2528	106	3	coal	coal	NOUN
ajst-2528	106	4	mines	mine	NOUN
ajst-2528	106	5	,	,	PUNCT
ajst-2528	106	6	2020	2020	NUM
ajst-2528	106	7	,	,	PUNCT
ajst-2528	106	8	51(3	51(3	NUM
ajst-2528	106	9	):	):	PUNCT
ajst-2528	106	10	88	88	NUM
ajst-2528	106	11	-	-	SYM
ajst-2528	106	12	92	92	NUM
ajst-2528	106	13	.	.	PUNCT
ajst-2528	107	1	[	[	X
ajst-2528	107	2	4	4	NUM
ajst-2528	107	3	]	]	X
ajst-2528	107	4	guo	guo	PROPN
ajst-2528	107	5	jun	jun	PROPN
ajst-2528	107	6	,	,	PUNCT
ajst-2528	107	7	jin	jin	PROPN
ajst-2528	107	8	yan	yan	PROPN
ajst-2528	107	9	,	,	PUNCT
ajst-2528	107	10	wen	wen	PROPN
ajst-2528	107	11	hu	hu	PROPN
ajst-2528	107	12	,	,	PUNCT
ajst-2528	107	13	et	et	PROPN
ajst-2528	107	14	al.study	al.study	VERB
ajst-2528	107	15	on	on	ADP
ajst-2528	107	16	fine	fine	ADJ
ajst-2528	107	17	division	division	NOUN
ajst-2528	107	18	and	and	CCONJ
ajst-2528	107	19	early	early	ADJ
ajst-2528	107	20	warning	warning	NOUN
ajst-2528	107	21	methods	method	NOUN
ajst-2528	107	22	of	of	ADP
ajst-2528	107	23	spontaneous	spontaneous	ADJ
ajst-2528	107	24	combustion	combustion	NOUN
ajst-2528	107	25	degree	degree	NOUN
ajst-2528	107	26	of	of	ADP
ajst-2528	107	27	coal	coal	NOUN
ajst-2528	107	28	seams	seam	NOUN
ajst-2528	107	29	in	in	ADP
ajst-2528	107	30	mines[j].coal	mines[j].coal	PROPN
ajst-2528	107	31	science	science	NOUN
ajst-2528	107	32	and	and	CCONJ
ajst-2528	107	33	technology,2021,49	technology,2021,49	NOUN
ajst-2528	107	34	(	(	PUNCT
ajst-2528	107	35	10	10	NUM
ajst-2528	107	36	)	)	PUNCT
ajst-2528	107	37	:	:	PUNCT
ajst-2528	107	38	115－121	115－121	NUM
ajst-2528	107	39	[	[	X
ajst-2528	107	40	5	5	NUM
ajst-2528	107	41	]	]	X
ajst-2528	107	42	deng	deng	PROPN
ajst-2528	107	43	jun	jun	PROPN
ajst-2528	107	44	,	,	PUNCT
ajst-2528	107	45	bai	bai	PROPN
ajst-2528	107	46	zujin	zujin	PROPN
ajst-2528	107	47	,	,	PUNCT
ajst-2528	107	48	xiao	xiao	PROPN
ajst-2528	107	49	yang	yang	PROPN
ajst-2528	107	50	,	,	PUNCT
ajst-2528	107	51	et	et	PROPN
ajst-2528	107	52	al	al	PROPN
ajst-2528	107	53	.	.	PROPN
ajst-2528	107	54	present	present	ADJ
ajst-2528	107	55	situation	situation	NOUN
ajst-2528	107	56	and	and	CCONJ
ajst-2528	107	57	challenge	challenge	NOUN
ajst-2528	107	58	of	of	ADP
ajst-2528	107	59	coal	coal	NOUN
ajst-2528	107	60	spontaneous	spontaneous	ADJ
ajst-2528	107	61	combustion	combustion	NOUN
ajst-2528	107	62	disasters	disaster	NOUN
ajst-2528	107	63	prevention	prevention	NOUN
ajst-2528	107	64	and	and	CCONJ
ajst-2528	107	65	control	control	NOUN
ajst-2528	107	66	technology[j	technology[j	PROPN
ajst-2528	107	67	]	]	PUNCT
ajst-2528	107	68	.	.	PUNCT
ajst-2528	108	1	safety	safety	NOUN
ajst-2528	108	2	in	in	ADP
ajst-2528	108	3	coal	coal	NOUN
ajst-2528	108	4	mines	mine	NOUN
ajst-2528	108	5	,	,	PUNCT
ajst-2528	108	6	2020	2020	NUM
ajst-2528	108	7	,	,	PUNCT
ajst-2528	108	8	51(10	51(10	NUM
ajst-2528	108	9	):	):	PUNCT
ajst-2528	108	10	118	118	NUM
ajst-2528	108	11	-	-	SYM
ajst-2528	108	12	125	125	NUM
ajst-2528	108	13	[	[	SYM
ajst-2528	108	14	6	6	NUM
ajst-2528	108	15	]	]	PUNCT
ajst-2528	108	16	attar	attar	PROPN
ajst-2528	108	17	a.	a.	NOUN
ajst-2528	108	18	chemistry	chemistry	PROPN
ajst-2528	108	19	,	,	PUNCT
ajst-2528	108	20	thermodynamics	thermodynamic	NOUN
ajst-2528	108	21	and	and	CCONJ
ajst-2528	108	22	kinetics	kinetic	NOUN
ajst-2528	108	23	of	of	ADP
ajst-2528	108	24	reactions	reaction	NOUN
ajst-2528	108	25	of	of	ADP
ajst-2528	108	26	sulphur	sulphur	NOUN
ajst-2528	108	27	in	in	ADP
ajst-2528	108	28	coal	coal	NOUN
ajst-2528	108	29	-	-	PUNCT
ajst-2528	108	30	gas	gas	NOUN
ajst-2528	108	31	reactions	reaction	NOUN
ajst-2528	108	32	:	:	PUNCT
ajst-2528	108	33	a	a	DET
ajst-2528	108	34	review[j	review[j	PROPN
ajst-2528	108	35	]	]	PUNCT
ajst-2528	108	36	.	.	PUNCT
ajst-2528	109	1	fuel	fuel	NOUN
ajst-2528	109	2	,	,	PUNCT
ajst-2528	109	3	1978	1978	NUM
ajst-2528	109	4	,	,	PUNCT
ajst-2528	109	5	57(4):201	57(4):201	NOUN
ajst-2528	109	6	-	-	SYM
ajst-2528	109	7	212	212	NUM
ajst-2528	109	8	[	[	X
ajst-2528	109	9	7	7	NUM
ajst-2528	109	10	]	]	X
ajst-2528	109	11	buchanan	buchanan	PROPN
ajst-2528	109	12	d	d	PROPN
ajst-2528	109	13	h	h	PROPN
ajst-2528	109	14	,	,	PUNCT
ajst-2528	109	15	coombs	coombs	PROPN
ajst-2528	109	16	k	k	PROPN
ajst-2528	109	17	j	j	PROPN
ajst-2528	109	18	,	,	PUNCT
ajst-2528	109	19	murphy	murphy	PROPN
ajst-2528	109	20	p	p	PROPN
ajst-2528	109	21	m	m	PROPN
ajst-2528	109	22	,	,	PUNCT
ajst-2528	109	23	et	et	PROPN
ajst-2528	109	24	al	al	PROPN
ajst-2528	109	25	.	.	PUNCT
ajst-2528	110	1	a	a	DET
ajst-2528	110	2	convenient	convenient	ADJ
ajst-2528	110	3	method	method	NOUN
ajst-2528	110	4	for	for	ADP
ajst-2528	110	5	the	the	DET
ajst-2528	110	6	quantitative	quantitative	ADJ
ajst-2528	110	7	determination	determination	NOUN
ajst-2528	110	8	of	of	ADP
ajst-2528	110	9	elemental	elemental	ADJ
ajst-2528	110	10	sulfur	sulfur	NOUN
ajst-2528	110	11	in	in	ADP
ajst-2528	110	12	coal	coal	NOUN
ajst-2528	110	13	by	by	ADP
ajst-2528	110	14	hplc	hplc	NOUN
ajst-2528	110	15	analysis	analysis	NOUN
ajst-2528	110	16	of	of	ADP
ajst-2528	110	17	perchloroethylene	perchloroethylene	NOUN
ajst-2528	110	18	extracts[j	extracts[j	PROPN
ajst-2528	110	19	]	]	PUNCT
ajst-2528	110	20	.	.	PUNCT
ajst-2528	111	1	energy	energy	NOUN
ajst-2528	111	2	&	&	CCONJ
ajst-2528	111	3	fuels	fuel	NOUN
ajst-2528	111	4	,	,	PUNCT
ajst-2528	111	5	1993,7(2):219	1993,7(2):219	NOUN
ajst-2528	111	6	-	-	SYM
ajst-2528	111	7	221	221	NUM
ajst-2528	112	1	[	[	X
ajst-2528	112	2	8	8	NUM
ajst-2528	112	3	]	]	X
ajst-2528	112	4	tevrucht	tevrucht	NOUN
ajst-2528	112	5	m	m	PROPN
ajst-2528	112	6	l	l	NOUN
ajst-2528	112	7	e	e	NOUN
ajst-2528	112	8	,	,	PUNCT
ajst-2528	112	9	griffiths	griffiths	PROPN
ajst-2528	112	10	p	p	NOUN
ajst-2528	112	11	r.activation	r.activation	NOUN
ajst-2528	112	12	energy	energy	NOUN
ajst-2528	112	13	of	of	ADP
ajst-2528	112	14	airoxidized	airoxidize	VERB
ajst-2528	112	15	bituminous	bituminous	ADJ
ajst-2528	112	16	coals[j	coals[j	NOUN
ajst-2528	112	17	]	]	PUNCT
ajst-2528	112	18	.	.	PUNCT
ajst-2528	113	1	energy	energy	NOUN
ajst-2528	113	2	&	&	CCONJ
ajst-2528	113	3	fuels	fuel	NOUN
ajst-2528	113	4	,	,	PUNCT
ajst-2528	113	5	1989	1989	NUM
ajst-2528	113	6	,	,	PUNCT
ajst-2528	113	7	3(4):522527	3(4):522527	NUM
ajst-2528	113	8	.	.	PUNCT
ajst-2528	114	1	[	[	X
ajst-2528	114	2	9	9	NUM
ajst-2528	114	3	]	]	X
ajst-2528	114	4	kudynska	kudynska	PROPN
ajst-2528	114	5	j	j	PROPN
ajst-2528	114	6	,	,	PUNCT
ajst-2528	114	7	buckmaster	buckmaster	PROPN
ajst-2528	114	8	h	h	PROPN
ajst-2528	114	9	a.	a.	PROPN
ajst-2528	114	10	low	low	ADJ
ajst-2528	114	11	-	-	PUNCT
ajst-2528	114	12	temperature	temperature	NOUN
ajst-2528	114	13	oxidation	oxidation	NOUN
ajst-2528	114	14	kinetics	kinetic	NOUN
ajst-2528	114	15	of	of	ADP
ajst-2528	114	16	high	high	ADJ
ajst-2528	114	17	-	-	PUNCT
ajst-2528	114	18	volatile	volatile	ADJ
ajst-2528	114	19	bituminous	bituminous	ADJ
ajst-2528	114	20	coal	coal	NOUN
ajst-2528	114	21	studied	study	VERB
ajst-2528	114	22	by	by	ADP
ajst-2528	114	23	dynamic	dynamic	ADJ
ajst-2528	114	24	in	in	ADP
ajst-2528	114	25	situ9	situ9	NOUN
ajst-2528	114	26	ghz	ghz	NOUN
ajst-2528	114	27	c.w.e.p.r	c.w.e.p.r	NOUN
ajst-2528	114	28	.	.	PUNCT
ajst-2528	115	1	spectroscopy[j	spectroscopy[j	NOUN
ajst-2528	115	2	]	]	PUNCT
ajst-2528	115	3	.	.	PUNCT
ajst-2528	116	1	fuel	fuel	NOUN
ajst-2528	116	2	,	,	PUNCT
ajst-2528	116	3	1996,75(7):872878	1996,75(7):872878	NUM
ajst-2528	116	4	.	.	PUNCT
ajst-2528	117	1	[	[	X
ajst-2528	117	2	10	10	NUM
ajst-2528	117	3	]	]	X
ajst-2528	117	4	lopez	lopez	NOUN
ajst-2528	117	5	d	d	PROPN
ajst-2528	117	6	,	,	PUNCT
ajst-2528	117	7	sanada	sanada	PROPN
ajst-2528	117	8	y	y	PROPN
ajst-2528	117	9	,	,	PUNCT
ajst-2528	117	10	mondragon	mondragon	PROPN
ajst-2528	117	11	f.	f.	PROPN
ajst-2528	117	12	effect	effect	PROPN
ajst-2528	117	13	of	of	ADP
ajst-2528	117	14	low	low	ADJ
ajst-2528	117	15	-	-	PUNCT
ajst-2528	117	16	temperature	temperature	NOUN
ajst-2528	117	17	oxidation	oxidation	NOUN
ajst-2528	117	18	of	of	ADP
ajst-2528	117	19	coal	coal	NOUN
ajst-2528	117	20	on	on	ADP
ajst-2528	117	21	hydrogen	hydrogen	NOUN
ajst-2528	117	22	-	-	PUNCT
ajst-2528	117	23	transfer	transfer	NOUN
ajst-2528	117	24	capability[j].fuel	capability[j].fuel	NOUN
ajst-2528	117	25	,	,	PUNCT
ajst-2528	117	26	1998,77(14):1623	1998,77(14):1623	NUM
ajst-2528	117	27	-	-	SYM
ajst-2528	117	28	1628	1628	NUM
ajst-2528	117	29	.	.	PUNCT
ajst-2528	118	1	[	[	X
ajst-2528	118	2	11	11	NUM
ajst-2528	118	3	]	]	X
ajst-2528	118	4	kam	kam	PROPN
ajst-2528	118	5	a	a	DET
ajst-2528	118	6	y	y	PROPN
ajst-2528	118	7	,	,	PUNCT
ajst-2528	118	8	hixson	hixson	PROPN
ajst-2528	118	9	a	a	DET
ajst-2528	118	10	n	n	NOUN
ajst-2528	118	11	,	,	PUNCT
ajst-2528	118	12	perlmutter	perlmutter	PROPN
ajst-2528	118	13	d	d	PROPN
ajst-2528	118	14	d.	d.	PROPN
ajst-2528	118	15	the	the	DET
ajst-2528	118	16	oxidation	oxidation	NOUN
ajst-2528	118	17	of	of	ADP
ajst-2528	118	18	bituminous	bituminous	ADJ
ajst-2528	118	19	coal	coal	NOUN
ajst-2528	118	20	—	—	PUNCT
ajst-2528	118	21	i	i	PRON
ajst-2528	118	22	development	development	NOUN
ajst-2528	118	23	of	of	ADP
ajst-2528	118	24	a	a	DET
ajst-2528	118	25	mathematical	mathematical	ADJ
ajst-2528	118	26	model[j	model[j	NOUN
ajst-2528	118	27	]	]	X
ajst-2528	118	28	.	.	PUNCT
ajst-2528	119	1	chemical	chemical	PROPN
ajst-2528	119	2	engineering	engineering	NOUN
ajst-2528	119	3	science	science	NOUN
ajst-2528	119	4	,	,	PUNCT
ajst-2528	119	5	1976	1976	NUM
ajst-2528	119	6	,	,	PUNCT
ajst-2528	119	7	31(9	31(9	NUM
ajst-2528	119	8	):	):	PUNCT
ajst-2528	119	9	815	815	NUM
ajst-2528	119	10	-	-	PUNCT
ajst-2528	119	11	819	819	NUM
ajst-2528	119	12	.	.	PUNCT
ajst-2528	120	1	[	[	X
ajst-2528	120	2	12	12	NUM
ajst-2528	120	3	]	]	PUNCT
ajst-2528	120	4	karsner	karsner	NOUN
ajst-2528	120	5	g	g	PROPN
ajst-2528	120	6	g	g	PROPN
ajst-2528	120	7	,	,	PUNCT
ajst-2528	120	8	perlmutter	perlmutter	PROPN
ajst-2528	120	9	d	d	PROPN
ajst-2528	120	10	d.	d.	PROPN
ajst-2528	120	11	model	model	PROPN
ajst-2528	120	12	for	for	ADP
ajst-2528	120	13	coal	coal	NOUN
ajst-2528	120	14	oxidation	oxidation	NOUN
ajst-2528	120	15	kinetics	kinetic	NOUN
ajst-2528	120	16	.	.	PUNCT
ajst-2528	121	1	1	1	X
ajst-2528	121	2	.	.	X
ajst-2528	121	3	reaction	reaction	NOUN
ajst-2528	121	4	under	under	ADP
ajst-2528	121	5	chemical	chemical	PROPN
ajst-2528	121	6	control[j	control[j	PROPN
ajst-2528	121	7	]	]	PUNCT
ajst-2528	121	8	.	.	PUNCT
ajst-2528	122	1	fuel	fuel	NOUN
ajst-2528	122	2	,	,	PUNCT
ajst-2528	122	3	1982	1982	NUM
ajst-2528	122	4	,	,	PUNCT
ajst-2528	122	5	61(1	61(1	NOUN
ajst-2528	122	6	):	):	PUNCT
ajst-2528	122	7	2934	2934	NUM
ajst-2528	122	8	.	.	PUNCT
ajst-2528	123	1	[	[	X
ajst-2528	123	2	13	13	NUM
ajst-2528	123	3	]	]	X
ajst-2528	123	4	itay	itay	PROPN
ajst-2528	123	5	m	m	PROPN
ajst-2528	123	6	,	,	PUNCT
ajst-2528	123	7	hill	hill	PROPN
ajst-2528	123	8	c	c	PROPN
ajst-2528	123	9	r	r	PROPN
ajst-2528	123	10	,	,	PUNCT
ajst-2528	123	11	glasser	glasser	PROPN
ajst-2528	123	12	d.	d.	PROPN
ajst-2528	123	13	a	a	DET
ajst-2528	123	14	study	study	NOUN
ajst-2528	123	15	of	of	ADP
ajst-2528	123	16	the	the	DET
ajst-2528	123	17	low	low	ADJ
ajst-2528	123	18	temperature	temperature	NOUN
ajst-2528	123	19	oxidation	oxidation	NOUN
ajst-2528	123	20	of	of	ADP
ajst-2528	123	21	coal[j	coal[j	PROPN
ajst-2528	123	22	]	]	PUNCT
ajst-2528	123	23	.	.	PUNCT
ajst-2528	124	1	fuel	fuel	NOUN
ajst-2528	124	2	processing	processing	NOUN
ajst-2528	124	3	technology	technology	NOUN
ajst-2528	124	4	,	,	PUNCT
ajst-2528	124	5	1989	1989	NUM
ajst-2528	124	6	,	,	PUNCT
ajst-2528	124	7	21(2	21(2	NUM
ajst-2528	124	8	):	):	PUNCT
ajst-2528	124	9	81	81	NUM
ajst-2528	124	10	-	-	SYM
ajst-2528	124	11	97	97	NUM
ajst-2528	124	12	.	.	PUNCT
ajst-2528	125	1	[	[	X
ajst-2528	125	2	14	14	NUM
ajst-2528	125	3	]	]	X
ajst-2528	125	4	dack	dack	PROPN
ajst-2528	125	5	s	s	PROPN
ajst-2528	125	6	w	w	NOUN
ajst-2528	125	7	,	,	PUNCT
ajst-2528	125	8	hobday	hobday	PROPN
ajst-2528	125	9	m	m	PROPN
ajst-2528	125	10	,	,	PUNCT
ajst-2528	125	11	smith	smith	PROPN
ajst-2528	125	12	t	t	PROPN
ajst-2528	125	13	d	d	PROPN
ajst-2528	125	14	,	,	PUNCT
ajst-2528	125	15	et	et	PROPN
ajst-2528	125	16	al	al	PROPN
ajst-2528	125	17	.	.	PROPN
ajst-2528	125	18	free	free	ADJ
ajst-2528	125	19	radical	radical	ADJ
ajst-2528	125	20	involvement	involvement	NOUN
ajst-2528	125	21	in	in	ADP
ajst-2528	125	22	the	the	DET
ajst-2528	125	23	oxidation	oxidation	NOUN
ajst-2528	125	24	of	of	ADP
ajst-2528	125	25	victorian	victorian	ADJ
ajst-2528	125	26	brown	brown	PROPN
ajst-2528	125	27	coal[j	coal[j	PROPN
ajst-2528	125	28	]	]	PUNCT
ajst-2528	125	29	.	.	PUNCT
ajst-2528	126	1	fuel	fuel	NOUN
ajst-2528	126	2	,	,	PUNCT
ajst-2528	126	3	1984	1984	NUM
ajst-2528	126	4	,	,	PUNCT
ajst-2528	126	5	62(12	62(12	PROPN
ajst-2528	126	6	):	):	PUNCT
ajst-2528	126	7	1510	1510	NUM
ajst-2528	126	8	-	-	SYM
ajst-2528	126	9	1512	1512	NUM
ajst-2528	126	10	.	.	PUNCT
ajst-2528	127	1	[	[	X
ajst-2528	127	2	15	15	NUM
ajst-2528	127	3	]	]	X
ajst-2528	127	4	dack	dack	NOUN
ajst-2528	127	5	s	s	PROPN
ajst-2528	127	6	w	w	NOUN
ajst-2528	127	7	,	,	PUNCT
ajst-2528	127	8	hobday	hobday	NOUN
ajst-2528	127	9	m	m	PROPN
ajst-2528	127	10	d	d	PROPN
ajst-2528	127	11	,	,	PUNCT
ajst-2528	127	12	smith	smith	PROPN
ajst-2528	127	13	t	t	PROPN
ajst-2528	127	14	d	d	PROPN
ajst-2528	127	15	,	,	PUNCT
ajst-2528	127	16	et	et	PROPN
ajst-2528	127	17	al	al	PROPN
ajst-2528	127	18	.	.	PUNCT
ajst-2528	127	19	free	free	ADJ
ajst-2528	127	20	-	-	PUNCT
ajst-2528	127	21	radical	radical	ADJ
ajst-2528	127	22	involvement	involvement	NOUN
ajst-2528	127	23	in	in	ADP
ajst-2528	127	24	the	the	DET
ajst-2528	127	25	drying	drying	NOUN
ajst-2528	127	26	and	and	CCONJ
ajst-2528	127	27	oxidation	oxidation	NOUN
ajst-2528	127	28	of	of	ADP
ajst-2528	127	29	victorian	victorian	ADJ
ajst-2528	127	30	brown	brown	PROPN
ajst-2528	127	31	coal[j	coal[j	PROPN
ajst-2528	127	32	]	]	PUNCT
ajst-2528	127	33	.	.	PUNCT
ajst-2528	128	1	fuel	fuel	NOUN
ajst-2528	128	2	,	,	PUNCT
ajst-2528	128	3	1984	1984	NUM
ajst-2528	128	4	,	,	PUNCT
ajst-2528	128	5	63(1	63(1	NUM
ajst-2528	128	6	):	):	PUNCT
ajst-2528	128	7	39	39	NUM
ajst-2528	128	8	-	-	SYM
ajst-2528	128	9	42	42	NUM
ajst-2528	128	10	.	.	PUNCT
ajst-2528	129	1	[	[	X
ajst-2528	129	2	16	16	NUM
ajst-2528	129	3	]	]	X
ajst-2528	129	4	kudynska	kudynska	PROPN
ajst-2528	129	5	j	j	PROPN
ajst-2528	129	6	,	,	PUNCT
ajst-2528	129	7	buckmaster	buckmaster	PROPN
ajst-2528	129	8	h	h	PROPN
ajst-2528	129	9	a.	a.	PROPN
ajst-2528	129	10	low	low	ADJ
ajst-2528	129	11	-	-	PUNCT
ajst-2528	129	12	temperature	temperature	NOUN
ajst-2528	129	13	oxidation	oxidation	NOUN
ajst-2528	129	14	kinetics	kinetic	NOUN
ajst-2528	129	15	of	of	ADP
ajst-2528	129	16	high	high	ADJ
ajst-2528	129	17	-	-	PUNCT
ajst-2528	129	18	volatile	volatile	ADJ
ajst-2528	129	19	bituminous	bituminous	ADJ
ajst-2528	129	20	coal	coal	NOUN
ajst-2528	129	21	studied	study	VERB
ajst-2528	129	22	by	by	ADP
ajst-2528	129	23	dynamic	dynamic	ADJ
ajst-2528	129	24	in	in	ADP
ajst-2528	129	25	situ	situ	ADJ
ajst-2528	129	26	9	9	NUM
ajst-2528	129	27	ghz	ghz	NOUN
ajst-2528	129	28	c.w	c.w	PROPN
ajst-2528	129	29	.	.	PROPN
ajst-2528	129	30	e.p.r	e.p.r	NOUN
ajst-2528	129	31	.	.	PUNCT
ajst-2528	129	32	spectroscopy[j	spectroscopy[j	PROPN
ajst-2528	129	33	]	]	PUNCT
ajst-2528	129	34	.	.	PUNCT
ajst-2528	130	1	fuel	fuel	NOUN
ajst-2528	130	2	,	,	PUNCT
ajst-2528	130	3	1996	1996	NUM
ajst-2528	130	4	,	,	PUNCT
ajst-2528	130	5	75(7	75(7	NUM
ajst-2528	130	6	):	):	PUNCT
ajst-2528	130	7	872878	872878	NUM
ajst-2528	130	8	.	.	PUNCT
ajst-2528	131	1	[	[	X
ajst-2528	131	2	17	17	NUM
ajst-2528	131	3	]	]	X
ajst-2528	131	4	liotta	liotta	NOUN
ajst-2528	131	5	r	r	NOUN
ajst-2528	131	6	,	,	PUNCT
ajst-2528	131	7	brons	bron	VERB
ajst-2528	131	8	g	g	PROPN
ajst-2528	131	9	,	,	PUNCT
ajst-2528	131	10	isaacs	isaacs	PROPN
ajst-2528	131	11	j.	j.	PROPN
ajst-2528	131	12	oxidative	oxidative	ADJ
ajst-2528	131	13	weathering	weathering	NOUN
ajst-2528	131	14	of	of	ADP
ajst-2528	131	15	illinois	illinois	PROPN
ajst-2528	131	16	no.6	no.6	PROPN
ajst-2528	131	17	coal[j	coal[j	PROPN
ajst-2528	131	18	]	]	PUNCT
ajst-2528	131	19	.	.	PUNCT
ajst-2528	132	1	fuel	fuel	NOUN
ajst-2528	132	2	,	,	PUNCT
ajst-2528	132	3	1983	1983	NUM
ajst-2528	132	4	,	,	PUNCT
ajst-2528	132	5	62(7	62(7	NUM
ajst-2528	132	6	):	):	PUNCT
ajst-2528	132	7	781	781	NUM
ajst-2528	132	8	-	-	SYM
ajst-2528	132	9	791	791	NUM
ajst-2528	132	10	.	.	PUNCT
ajst-2528	133	1	[	[	X
ajst-2528	133	2	18	18	NUM
ajst-2528	133	3	]	]	PUNCT
ajst-2528	133	4	given	give	VERB
ajst-2528	133	5	p.	p.	NOUN
ajst-2528	133	6	the	the	DET
ajst-2528	133	7	distribution	distribution	NOUN
ajst-2528	133	8	of	of	ADP
ajst-2528	133	9	hydrogen	hydrogen	NOUN
ajst-2528	133	10	in	in	ADP
ajst-2528	133	11	coals	coal	NOUN
ajst-2528	133	12	and	and	CCONJ
ajst-2528	133	13	its	its	PRON
ajst-2528	133	14	relation	relation	NOUN
ajst-2528	133	15	to	to	ADP
ajst-2528	133	16	coal	coal	NOUN
ajst-2528	133	17	structure[j	structure[j	NOUN
ajst-2528	133	18	]	]	PUNCT
ajst-2528	133	19	.	.	PUNCT
ajst-2528	134	1	fuel	fuel	NOUN
ajst-2528	134	2	,	,	PUNCT
ajst-2528	134	3	1960	1960	NUM
ajst-2528	134	4	,	,	PUNCT
ajst-2528	134	5	39(2	39(2	NUM
ajst-2528	134	6	):	):	PUNCT
ajst-2528	134	7	147	147	NUM
ajst-2528	134	8	-	-	SYM
ajst-2528	134	9	153	153	NUM
ajst-2528	134	10	.	.	PUNCT
ajst-2528	135	1	[	[	X
ajst-2528	135	2	19	19	NUM
ajst-2528	135	3	]	]	X
ajst-2528	135	4	wiser	wise	ADJ
ajst-2528	135	5	w.	w.	PROPN
ajst-2528	135	6	reported	report	VERB
ajst-2528	135	7	in	in	ADP
ajst-2528	135	8	division	division	NOUN
ajst-2528	135	9	of	of	ADP
ajst-2528	135	10	fuel	fuel	NOUN
ajst-2528	135	11	chemistry[j	chemistry[j	PROPN
ajst-2528	135	12	]	]	PUNCT
ajst-2528	135	13	.	.	PUNCT
ajst-2528	136	1	preprints	preprint	NOUN
ajst-2528	136	2	,	,	PUNCT
ajst-2528	136	3	1975	1975	NUM
ajst-2528	136	4	,	,	PUNCT
ajst-2528	136	5	20(1	20(1	NUM
ajst-2528	136	6	):	):	PUNCT
ajst-2528	136	7	122	122	NUM
ajst-2528	136	8	.	.	PUNCT
ajst-2528	137	1	[	[	X
ajst-2528	137	2	20	20	NUM
ajst-2528	137	3	]	]	PUNCT
ajst-2528	137	4	shinn	shinn	PROPN
ajst-2528	137	5	j	j	PROPN
ajst-2528	137	6	h.	h.	PROPN
ajst-2528	137	7	from	from	ADP
ajst-2528	137	8	coal	coal	NOUN
ajst-2528	137	9	to	to	ADP
ajst-2528	137	10	single	single	ADJ
ajst-2528	137	11	-	-	PUNCT
ajst-2528	137	12	stage	stage	NOUN
ajst-2528	137	13	and	and	CCONJ
ajst-2528	137	14	two	two	NUM
ajst-2528	137	15	-	-	PUNCT
ajst-2528	137	16	stage	stage	NOUN
ajst-2528	137	17	products	product	NOUN
ajst-2528	137	18	:	:	PUNCT
ajst-2528	137	19	a	a	DET
ajst-2528	137	20	reactive	reactive	ADJ
ajst-2528	137	21	model	model	NOUN
ajst-2528	137	22	of	of	ADP
ajst-2528	137	23	coal	coal	NOUN
ajst-2528	137	24	structure[j	structure[j	NOUN
ajst-2528	137	25	]	]	PUNCT
ajst-2528	137	26	.	.	PUNCT
ajst-2528	138	1	fuel	fuel	NOUN
ajst-2528	138	2	,	,	PUNCT
ajst-2528	138	3	1984	1984	NUM
ajst-2528	138	4	,	,	PUNCT
ajst-2528	138	5	63(9	63(9	NUM
ajst-2528	138	6	):	):	PUNCT
ajst-2528	138	7	11871196	11871196	NUM
ajst-2528	138	8	.	.	PUNCT
ajst-2528	139	1	[	[	X
ajst-2528	139	2	21	21	NUM
ajst-2528	139	3	]	]	X
ajst-2528	139	4	p.	p.	NOUN
ajst-2528	139	5	,	,	PUNCT
ajst-2528	139	6	r.	r.	PROPN
ajst-2528	139	7	,	,	PUNCT
ajst-2528	139	8	solomon	solomon	PROPN
ajst-2528	139	9	,	,	PUNCT
ajst-2528	139	10	et	et	PROPN
ajst-2528	139	11	al	al	PROPN
ajst-2528	139	12	.	.	PROPN
ajst-2528	139	13	general	general	ADJ
ajst-2528	139	14	model	model	NOUN
ajst-2528	139	15	of	of	ADP
ajst-2528	139	16	coal	coal	NOUN
ajst-2528	139	17	devolatilization[j	devolatilization[j	PROPN
ajst-2528	139	18	]	]	PUNCT
ajst-2528	139	19	.	.	PUNCT
ajst-2528	140	1	energy	energy	NOUN
ajst-2528	140	2	&	&	CCONJ
ajst-2528	140	3	fuels	fuel	NOUN
ajst-2528	140	4	,	,	PUNCT
ajst-2528	140	5	1988	1988	NUM
ajst-2528	140	6	,	,	PUNCT
ajst-2528	140	7	2(4):405	2(4):405	NUM
ajst-2528	140	8	-	-	SYM
ajst-2528	140	9	422	422	NUM
ajst-2528	140	10	.	.	PUNCT
ajst-2528	141	1	[	[	X
ajst-2528	141	2	22	22	NUM
ajst-2528	141	3	]	]	X
ajst-2528	141	4	solomon	solomon	PROPN
ajst-2528	141	5	p	p	PROPN
ajst-2528	141	6	r.	r.	PROPN
ajst-2528	141	7	coal	coal	NOUN
ajst-2528	141	8	structure	structure	NOUN
ajst-2528	141	9	and	and	CCONJ
ajst-2528	141	10	thermal	thermal	ADJ
ajst-2528	141	11	decomposition[m	decomposition[m	NOUN
ajst-2528	141	12	]	]	PUNCT
ajst-2528	141	13	.	.	PUNCT
ajst-2528	142	1	coal	coal	NOUN
ajst-2528	142	2	structure	structure	NOUN
ajst-2528	142	3	and	and	CCONJ
ajst-2528	142	4	thermal	thermal	ADJ
ajst-2528	142	5	decomposition	decomposition	NOUN
ajst-2528	142	6	,	,	PUNCT
ajst-2528	142	7	1981	1981	NUM
ajst-2528	142	8	.	.	PUNCT
ajst-2528	143	1	[	[	X
ajst-2528	143	2	23	23	NUM
ajst-2528	143	3	]	]	X
ajst-2528	143	4	shu	shu	PROPN
ajst-2528	143	5	yiguo	yiguo	PROPN
ajst-2528	143	6	,	,	PUNCT
ajst-2528	143	7	zhao	zhao	PROPN
ajst-2528	143	8	qingwei	qingwei	PROPN
ajst-2528	143	9	,	,	PUNCT
ajst-2528	143	10	yu	yu	PROPN
ajst-2528	143	11	ya’nan	ya’nan	PROPN
ajst-2528	143	12	.	.	PUNCT
ajst-2528	144	1	research	research	NOUN
ajst-2528	144	2	on	on	ADP
ajst-2528	144	3	prediction	prediction	NOUN
ajst-2528	144	4	and	and	CCONJ
ajst-2528	144	5	forecast	forecast	NOUN
ajst-2528	144	6	indicators	indicator	NOUN
ajst-2528	144	7	system	system	NOUN
ajst-2528	144	8	of	of	ADP
ajst-2528	144	9	easy	easy	ADJ
ajst-2528	144	10	spontaneous	spontaneous	ADJ
ajst-2528	144	11	combustion	combustion	NOUN
ajst-2528	144	12	coal	coal	NOUN
ajst-2528	144	13	seam	seam	NOUN
ajst-2528	145	1	[	[	X
ajst-2528	145	2	j	j	X
ajst-2528	145	3	]	]	X
ajst-2528	145	4	.	.	PUNCT
ajst-2528	146	1	coal	coal	NOUN
ajst-2528	146	2	science	science	NOUN
ajst-2528	146	3	and	and	CCONJ
ajst-2528	146	4	technology	technology	NOUN
ajst-2528	146	5	,	,	PUNCT
ajst-2528	146	6	2019	2019	NUM
ajst-2528	146	7	,	,	PUNCT
ajst-2528	146	8	47	47	NUM
ajst-2528	146	9	(	(	PUNCT
ajst-2528	146	10	10	10	NUM
ajst-2528	146	11	)	)	PUNCT
ajst-2528	146	12	:	:	PUNCT
ajst-2528	147	1	229	229	NUM
ajst-2528	147	2	-	-	SYM
ajst-2528	147	3	234	234	NUM
ajst-2528	147	4	.	.	PUNCT
ajst-2528	148	1	[	[	X
ajst-2528	148	2	24	24	NUM
ajst-2528	148	3	]	]	PUNCT
ajst-2528	148	4	jin	jin	PROPN
ajst-2528	148	5	yongfei	yongfei	PROPN
ajst-2528	148	6	,	,	PUNCT
ajst-2528	148	7	guo	guo	PROPN
ajst-2528	148	8	jun	jun	PROPN
ajst-2528	148	9	,	,	PUNCT
ajst-2528	148	10	wen	wen	PROPN
ajst-2528	148	11	hu	hu	PROPN
ajst-2528	148	12	,	,	PUNCT
ajst-2528	148	13	et	et	PROPN
ajst-2528	148	14	al.experimental	al.experimental	PROPN
ajst-2528	148	15	study	study	NOUN
ajst-2528	148	16	on	on	ADP
ajst-2528	148	17	the	the	DET
ajst-2528	148	18	high	high	ADJ
ajst-2528	148	19	temperature	temperature	NOUN
ajst-2528	148	20	lean	lean	ADJ
ajst-2528	148	21	oxygen	oxygen	NOUN
ajst-2528	148	22	oxidation	oxidation	NOUN
ajst-2528	148	23	combustion	combustion	NOUN
ajst-2528	148	24	characteristic	characteristic	ADJ
ajst-2528	148	25	parameters	parameter	NOUN
ajst-2528	148	26	of	of	ADP
ajst-2528	148	27	coal	coal	NOUN
ajst-2528	148	28	spontaneous	spontaneous	ADJ
ajst-2528	148	29	combustion[j].journal	combustion[j].journal	PROPN
ajst-2528	148	30	of	of	ADP
ajst-2528	148	31	china	china	PROPN
ajst-2528	148	32	coal	coal	PROPN
ajst-2528	148	33	society,2015,40	society,2015,40	PROPN
ajst-2528	148	34	(	(	PUNCT
ajst-2528	148	35	3	3	NUM
ajst-2528	148	36	)	)	PUNCT
ajst-2528	148	37	:	:	PUNCT
ajst-2528	148	38	596	596	NUM
ajst-2528	148	39	-	-	SYM
ajst-2528	148	40	602	602	NUM
ajst-2528	148	41	.	.	PUNCT
ajst-2528	149	1	[	[	X
ajst-2528	149	2	25	25	NUM
ajst-2528	149	3	]	]	X
ajst-2528	149	4	liu	liu	PROPN
ajst-2528	149	5	yin	yin	PROPN
ajst-2528	149	6	,	,	PUNCT
ajst-2528	149	7	wen	wen	PROPN
ajst-2528	149	8	hu	hu	PROPN
ajst-2528	149	9	,	,	PUNCT
ajst-2528	149	10	guo	guo	PROPN
ajst-2528	149	11	jun	jun	PROPN
ajst-2528	149	12	,	,	PUNCT
ajst-2528	149	13	et	et	PROPN
ajst-2528	149	14	al.coal	al.coal	NOUN
ajst-2528	149	15	spontaneous	spontaneous	ADJ
ajst-2528	149	16	combustion	combustion	NOUN
ajst-2528	149	17	and	and	CCONJ
ajst-2528	149	18	n2	n2	ADJ
ajst-2528	149	19	suppression	suppression	NOUN
ajst-2528	149	20	in	in	ADP
ajst-2528	149	21	triple	triple	ADJ
ajst-2528	149	22	goafs	goafs	NOUN
ajst-2528	149	23	:	:	PUNCT
ajst-2528	149	24	anumerical	anumerical	ADJ
ajst-2528	149	25	simulation	simulation	NOUN
ajst-2528	149	26	and	and	CCONJ
ajst-2528	149	27	experimental	experimental	ADJ
ajst-2528	149	28	study[j	study[j	NOUN
ajst-2528	149	29	]	]	PUNCT
ajst-2528	149	30	.	.	PUNCT
ajst-2528	150	1	fuel,2020,271	fuel,2020,271	NOUN
ajst-2528	150	2	.	.	PUNCT
ajst-2528	151	1	[	[	X
ajst-2528	151	2	26	26	NUM
ajst-2528	151	3	]	]	X
ajst-2528	151	4	marzec	marzec	PROPN
ajst-2528	151	5	a	a	PROPN
ajst-2528	151	6	,	,	PUNCT
ajst-2528	151	7	barton	barton	PROPN
ajst-2528	151	8	w	w	PROPN
ajst-2528	151	9	a	a	PROPN
ajst-2528	151	10	,	,	PUNCT
ajst-2528	151	11	lynch	lynch	PROPN
ajst-2528	151	12	l	l	PROPN
ajst-2528	151	13	j	j	PROPN
ajst-2528	151	14	,	,	PUNCT
ajst-2528	151	15	et	et	PROPN
ajst-2528	151	16	al	al	PROPN
ajst-2528	151	17	.	.	PUNCT
ajst-2528	152	1	the	the	DET
ajst-2528	152	2	concept	concept	NOUN
ajst-2528	152	3	of	of	ADP
ajst-2528	152	4	a	a	DET
ajst-2528	152	5	mobile	mobile	ADJ
ajst-2528	152	6	or	or	CCONJ
ajst-2528	152	7	molecular	molecular	ADJ
ajst-2528	152	8	phase	phase	NOUN
ajst-2528	152	9	within	within	ADP
ajst-2528	152	10	the	the	DET
ajst-2528	152	11	macromolecular	macromolecular	ADJ
ajst-2528	152	12	network	network	NOUN
ajst-2528	152	13	of	of	ADP
ajst-2528	152	14	coals	coal	NOUN
ajst-2528	152	15	:	:	PUNCT
ajst-2528	152	16	a	a	DET
ajst-2528	152	17	debate[j	debate[j	NOUN
ajst-2528	152	18	]	]	PUNCT
ajst-2528	152	19	.	.	PUNCT
ajst-2528	153	1	fuel	fuel	NOUN
ajst-2528	153	2	,	,	PUNCT
ajst-2528	153	3	1986	1986	NUM
ajst-2528	153	4	,	,	PUNCT
ajst-2528	153	5	65(2	65(2	NUM
ajst-2528	153	6	)	)	PUNCT
ajst-2528	153	7	,	,	PUNCT
ajst-2528	153	8	155	155	NUM
ajst-2528	153	9	-	-	SYM
ajst-2528	153	10	163	163	NUM
ajst-2528	153	11	.	.	PUNCT
ajst-2528	154	1	[	[	X
ajst-2528	154	2	27	27	NUM
ajst-2528	154	3	]	]	X
ajst-2528	154	4	marzec	marzec	PROPN
ajst-2528	154	5	a	a	X
ajst-2528	154	6	,	,	PUNCT
ajst-2528	154	7	czajkowska	czajkowska	NOUN
ajst-2528	154	8	s	s	PROPN
ajst-2528	154	9	,	,	PUNCT
ajst-2528	154	10	moszynski	moszynski	PROPN
ajst-2528	154	11	j	j	PROPN
ajst-2528	154	12	,	,	PUNCT
ajst-2528	154	13	et	et	PROPN
ajst-2528	154	14	al	al	PROPN
ajst-2528	154	15	.	.	PROPN
ajst-2528	154	16	mass	mass	PROPN
ajst-2528	154	17	spectrometric	spectrometric	ADJ
ajst-2528	154	18	and	and	CCONJ
ajst-2528	154	19	chemometric	chemometric	ADJ
ajst-2528	154	20	studies	study	NOUN
ajst-2528	154	21	of	of	ADP
ajst-2528	154	22	thermoplastic	thermoplastic	ADJ
ajst-2528	154	23	properties	property	NOUN
ajst-2528	154	24	of	of	ADP
ajst-2528	154	25	coals	coal	NOUN
ajst-2528	154	26	.	.	PUNCT
ajst-2528	155	1	1	1	X
ajst-2528	155	2	.	.	X
ajst-2528	155	3	chemometry	chemometry	NOUN
ajst-2528	155	4	of	of	ADP
ajst-2528	155	5	conventional	conventional	ADJ
ajst-2528	155	6	,	,	PUNCT
ajst-2528	155	7	solvent	solvent	NOUN
ajst-2528	155	8	22	22	NUM
ajst-2528	155	9	swelling	swelling	NOUN
ajst-2528	155	10	,	,	PUNCT
ajst-2528	155	11	and	and	CCONJ
ajst-2528	155	12	extraction	extraction	NOUN
ajst-2528	155	13	data	datum	NOUN
ajst-2528	155	14	of	of	ADP
ajst-2528	155	15	coals[j	coals[j	NOUN
ajst-2528	155	16	]	]	PUNCT
ajst-2528	155	17	.	.	PUNCT
ajst-2528	156	1	energy	energy	NOUN
ajst-2528	156	2	&	&	CCONJ
ajst-2528	156	3	fuels	fuel	NOUN
ajst-2528	156	4	,	,	PUNCT
ajst-2528	156	5	1992	1992	NUM
ajst-2528	156	6	,	,	PUNCT
ajst-2528	156	7	6(1	6(1	NUM
ajst-2528	156	8	):	):	PUNCT
ajst-2528	156	9	97	97	NUM
ajst-2528	156	10	-	-	SYM
ajst-2528	156	11	103	103	NUM
ajst-2528	156	12	.	.	PUNCT
ajst-2528	157	1	[	[	X
ajst-2528	157	2	28	28	NUM
ajst-2528	157	3	]	]	X
ajst-2528	157	4	mathews	mathews	PROPN
ajst-2528	157	5	,	,	PUNCT
ajst-2528	157	6	j.	j.	PROPN
ajst-2528	157	7	p	p	PROPN
ajst-2528	157	8	,	,	PUNCT
ajst-2528	157	9	chaffee	chaffee	PROPN
ajst-2528	157	10	,	,	PUNCT
ajst-2528	157	11	et	et	PROPN
ajst-2528	157	12	al	al	PROPN
ajst-2528	157	13	.	.	PUNCT
ajst-2528	158	1	the	the	DET
ajst-2528	158	2	molecular	molecular	ADJ
ajst-2528	158	3	representations	representation	NOUN
ajst-2528	158	4	of	of	ADP
ajst-2528	158	5	coal	coal	NOUN
ajst-2528	158	6	a	a	DET
ajst-2528	158	7	review[j	review[j	PROPN
ajst-2528	158	8	]	]	PUNCT
ajst-2528	158	9	.	.	PUNCT
ajst-2528	159	1	fuel	fuel	NOUN
ajst-2528	159	2	-guildford-	-guildford-	PROPN
ajst-2528	159	3	,	,	PUNCT
ajst-2528	159	4	2012	2012	NUM
ajst-2528	159	5	,	,	PUNCT
ajst-2528	159	6	96(1	96(1	NUM
ajst-2528	159	7	):	):	PUNCT
ajst-2528	159	8	1	1	NUM
ajst-2528	159	9	-	-	SYM
ajst-2528	159	10	14	14	NUM
ajst-2528	159	11	.	.	PUNCT
ajst-2528	160	1	[	[	X
ajst-2528	160	2	29	29	NUM
ajst-2528	160	3	]	]	X
ajst-2528	160	4	zhang	zhang	PROPN
ajst-2528	160	5	z	z	PROPN
ajst-2528	160	6	,	,	PUNCT
ajst-2528	160	7	kang	kang	PROPN
ajst-2528	160	8	q	q	PROPN
ajst-2528	160	9	,	,	PUNCT
ajst-2528	160	10	wei	wei	PROPN
ajst-2528	160	11	s	s	PROPN
ajst-2528	160	12	,	,	PUNCT
ajst-2528	160	13	et	et	PROPN
ajst-2528	160	14	al	al	PROPN
ajst-2528	160	15	.	.	PUNCT
ajst-2528	161	1	large	large	ADJ
ajst-2528	161	2	scale	scale	NOUN
ajst-2528	161	3	molecular	molecular	ADJ
ajst-2528	161	4	model	model	NOUN
ajst-2528	161	5	construction	construction	NOUN
ajst-2528	161	6	of	of	ADP
ajst-2528	161	7	xishan	xishan	PROPN
ajst-2528	161	8	bituminous	bituminous	ADJ
ajst-2528	161	9	coal[j	coal[j	PROPN
ajst-2528	161	10	]	]	PUNCT
ajst-2528	161	11	.	.	PUNCT
ajst-2528	162	1	energy	energy	NOUN
ajst-2528	162	2	&	&	CCONJ
ajst-2528	162	3	fuels	fuel	NOUN
ajst-2528	162	4	,	,	PUNCT
ajst-2528	162	5	2017	2017	NUM
ajst-2528	162	6	,	,	PUNCT
ajst-2528	162	7	31(2	31(2	NUM
ajst-2528	162	8	):	):	PUNCT
ajst-2528	162	9	1310	1310	NUM
ajst-2528	162	10	-	-	SYM
ajst-2528	162	11	1317	1317	NUM
ajst-2528	162	12	.	.	PUNCT
ajst-2528	163	1	[	[	X
ajst-2528	163	2	30	30	NUM
ajst-2528	163	3	]	]	X
ajst-2528	163	4	wang	wang	PROPN
ajst-2528	163	5	deming	deming	PROPN
ajst-2528	163	6	,	,	PUNCT
ajst-2528	163	7	xin	xin	PROPN
ajst-2528	163	8	haihui	haihui	PROPN
ajst-2528	163	9	,	,	PUNCT
ajst-2528	163	10	qi	qi	PROPN
ajst-2528	163	11	xuyao	xuyao	NOUN
ajst-2528	163	12	,	,	PUNCT
ajst-2528	163	13	et	et	PROPN
ajst-2528	163	14	al	al	PROPN
ajst-2528	163	15	.	.	PUNCT
ajst-2528	163	16	mechanism	mechanism	NOUN
ajst-2528	163	17	and	and	CCONJ
ajst-2528	163	18	relationships	relationship	NOUN
ajst-2528	163	19	of	of	ADP
ajst-2528	163	20	elementary	elementary	ADJ
ajst-2528	163	21	reactions	reaction	NOUN
ajst-2528	163	22	in	in	ADP
ajst-2528	163	23	spontaneous	spontaneous	ADJ
ajst-2528	163	24	combustion	combustion	NOUN
ajst-2528	163	25	of	of	ADP
ajst-2528	163	26	coal	coal	NOUN
ajst-2528	163	27	:	:	PUNCT
ajst-2528	163	28	the	the	DET
ajst-2528	163	29	coal	coal	NOUN
ajst-2528	163	30	oxidation	oxidation	NOUN
ajst-2528	163	31	kinetics	kinetic	NOUN
ajst-2528	163	32	theory	theory	NOUN
ajst-2528	163	33	and	and	CCONJ
ajst-2528	163	34	application	application	NOUN
ajst-2528	163	35	[	[	X
ajst-2528	163	36	j].journalof	j].journalof	NOUN
ajst-2528	163	37	china	china	PROPN
ajst-2528	163	38	coal	coal	NOUN
ajst-2528	163	39	society,2014,39	society,2014,39	PROPN
ajst-2528	163	40	(	(	PUNCT
ajst-2528	163	41	8)	8)	NUM
ajst-2528	163	42	:	:	SYM
ajst-2528	163	43	1667	1667	NUM
ajst-2528	163	44	-	-	SYM
ajst-2528	163	45	1674	1674	NUM
ajst-2528	163	46	.	.	PUNCT
ajst-2528	164	1	[	[	X
ajst-2528	164	2	31	31	NUM
ajst-2528	164	3	]	]	X
ajst-2528	164	4	guo	guo	PROPN
ajst-2528	164	5	jun	jun	PROPN
ajst-2528	164	6	,	,	PUNCT
ajst-2528	164	7	wen	wen	PROPN
ajst-2528	164	8	hu	hu	PROPN
ajst-2528	164	9	,	,	PUNCT
ajst-2528	164	10	zheng	zheng	PROPN
ajst-2528	164	11	xuezhao	xuezhao	PROPN
ajst-2528	164	12	,	,	PUNCT
ajst-2528	164	13	et	et	PROPN
ajst-2528	164	14	al.a	al.a	NOUN
ajst-2528	164	15	method	method	NOUN
ajst-2528	164	16	for	for	ADP
ajst-2528	164	17	evaluating	evaluate	VERB
ajst-2528	164	18	the	the	DET
ajst-2528	164	19	spontaneous	spontaneous	ADJ
ajst-2528	164	20	combustion	combustion	NOUN
ajst-2528	164	21	of	of	ADP
ajst-2528	164	22	coal	coal	NOUN
ajst-2528	164	23	by	by	ADP
ajst-2528	164	24	monitoring	monitor	VERB
ajst-2528	164	25	various	various	ADJ
ajst-2528	164	26	gases[j].process	gases[j].process	NOUN
ajst-2528	164	27	safety	safety	NOUN
ajst-2528	164	28	and	and	CCONJ
ajst-2528	164	29	environmental	environmental	ADJ
ajst-2528	164	30	protection	protection	NOUN
ajst-2528	164	31	,	,	PUNCT
ajst-2528	164	32	2019	2019	NUM
ajst-2528	164	33	,	,	PUNCT
ajst-2528	164	34	126	126	NUM
ajst-2528	164	35	:	:	PUNCT
ajst-2528	164	36	223	223	NUM
ajst-2528	164	37	-	-	SYM
ajst-2528	164	38	231	231	NUM
ajst-2528	164	39	.	.	PUNCT