id	sid	tid	token	lemma	pos
ajst-20229	1	1	academic	academic	ADJ
ajst-20229	1	2	journal	journal	NOUN
ajst-20229	1	3	of	of	ADP
ajst-20229	1	4	science	science	NOUN
ajst-20229	1	5	and	and	CCONJ
ajst-20229	1	6	technology	technology	NOUN
ajst-20229	1	7	issn	issn	NOUN
ajst-20229	1	8	:	:	PUNCT
ajst-20229	1	9	2771	2771	NUM
ajst-20229	1	10	-	-	SYM
ajst-20229	1	11	3032	3032	NUM
ajst-20229	1	12	|	|	NOUN
ajst-20229	1	13	vol	vol	NOUN
ajst-20229	1	14	.	.	PROPN
ajst-20229	2	1	10	10	NUM
ajst-20229	2	2	,	,	PUNCT
ajst-20229	2	3	no	no	INTJ
ajst-20229	2	4	.	.	NOUN
ajst-20229	2	5	2	2	NUM
ajst-20229	2	6	,	,	PUNCT
ajst-20229	2	7	2024	2024	NUM
ajst-20229	2	8	235	235	NUM
ajst-20229	2	9	the	the	DET
ajst-20229	2	10	properties	property	NOUN
ajst-20229	2	11	and	and	CCONJ
ajst-20229	2	12	development	development	NOUN
ajst-20229	2	13	of	of	ADP
ajst-20229	2	14	sulfur‐free	sulfur‐free	ADJ
ajst-20229	2	15	odorant	odorant	NOUN
ajst-20229	2	16	for	for	ADP
ajst-20229	2	17	town	town	NOUN
ajst-20229	2	18	gas	gas	NOUN
ajst-20229	2	19	liyu	liyu	NOUN
ajst-20229	2	20	qin	qin	PROPN
ajst-20229	2	21	,	,	PUNCT
ajst-20229	2	22	mengyue	mengyue	PROPN
ajst-20229	2	23	wang	wang	PROPN
ajst-20229	2	24	and	and	CCONJ
ajst-20229	2	25	peng	peng	PROPN
ajst-20229	2	26	zhang	zhang	PROPN
ajst-20229	2	27	school	school	PROPN
ajst-20229	2	28	of	of	ADP
ajst-20229	2	29	southwest	southwest	PROPN
ajst-20229	2	30	petroleum	petroleum	PROPN
ajst-20229	2	31	university	university	PROPN
ajst-20229	2	32	,	,	PUNCT
ajst-20229	2	33	sichuan	sichuan	PROPN
ajst-20229	2	34	610000	610000	NUM
ajst-20229	2	35	,	,	PUNCT
ajst-20229	2	36	china	china	PROPN
ajst-20229	2	37	abstract	abstract	NOUN
ajst-20229	2	38	:	:	PUNCT
ajst-20229	2	39	in	in	ADP
ajst-20229	2	40	this	this	DET
ajst-20229	2	41	paper	paper	NOUN
ajst-20229	2	42	,	,	PUNCT
ajst-20229	2	43	the	the	DET
ajst-20229	2	44	characteristics	characteristic	NOUN
ajst-20229	2	45	,	,	PUNCT
ajst-20229	2	46	advantages	advantage	NOUN
ajst-20229	2	47	and	and	CCONJ
ajst-20229	2	48	disadvantages	disadvantage	NOUN
ajst-20229	2	49	of	of	ADP
ajst-20229	2	50	natural	natural	ADJ
ajst-20229	2	51	gas	gas	NOUN
ajst-20229	2	52	sulfur	sulfur	NOUN
ajst-20229	2	53	-	-	PUNCT
ajst-20229	2	54	free	free	ADJ
ajst-20229	2	55	odorants	odorant	NOUN
ajst-20229	2	56	and	and	CCONJ
ajst-20229	2	57	traditional	traditional	ADJ
ajst-20229	2	58	sulfide	sulfide	NOUN
ajst-20229	2	59	odorants	odorant	NOUN
ajst-20229	2	60	,	,	PUNCT
ajst-20229	2	61	as	as	ADV
ajst-20229	2	62	well	well	ADV
ajst-20229	2	63	as	as	ADP
ajst-20229	2	64	the	the	DET
ajst-20229	2	65	application	application	NOUN
ajst-20229	2	66	examples	example	NOUN
ajst-20229	2	67	of	of	ADP
ajst-20229	2	68	sulfur	sulfur	NOUN
ajst-20229	2	69	-	-	PUNCT
ajst-20229	2	70	free	free	ADJ
ajst-20229	2	71	odorants	odorant	NOUN
ajst-20229	2	72	at	at	ADP
ajst-20229	2	73	home	home	ADV
ajst-20229	2	74	and	and	CCONJ
ajst-20229	2	75	abroad	abroad	ADV
ajst-20229	2	76	are	be	AUX
ajst-20229	2	77	analyzed	analyze	VERB
ajst-20229	2	78	and	and	CCONJ
ajst-20229	2	79	compared	compare	VERB
ajst-20229	2	80	,	,	PUNCT
ajst-20229	2	81	and	and	CCONJ
ajst-20229	2	82	the	the	DET
ajst-20229	2	83	differences	difference	NOUN
ajst-20229	2	84	between	between	ADP
ajst-20229	2	85	the	the	DET
ajst-20229	2	86	two	two	NUM
ajst-20229	2	87	odorants	odorant	NOUN
ajst-20229	2	88	in	in	ADP
ajst-20229	2	89	natural	natural	ADJ
ajst-20229	2	90	gas	gas	NOUN
ajst-20229	2	91	treatment	treatment	NOUN
ajst-20229	2	92	are	be	AUX
ajst-20229	2	93	discussed	discuss	VERB
ajst-20229	2	94	.	.	PUNCT
ajst-20229	3	1	the	the	DET
ajst-20229	3	2	research	research	NOUN
ajst-20229	3	3	shows	show	VERB
ajst-20229	3	4	that	that	SCONJ
ajst-20229	3	5	the	the	DET
ajst-20229	3	6	natural	natural	ADJ
ajst-20229	3	7	gas	gas	NOUN
ajst-20229	3	8	sulfurfree	sulfurfree	NOUN
ajst-20229	3	9	odorant	odorant	NOUN
ajst-20229	3	10	has	have	VERB
ajst-20229	3	11	the	the	DET
ajst-20229	3	12	advantages	advantage	NOUN
ajst-20229	3	13	of	of	ADP
ajst-20229	3	14	being	be	AUX
ajst-20229	3	15	more	more	ADV
ajst-20229	3	16	environmentally	environmentally	ADV
ajst-20229	3	17	friendly	friendly	ADJ
ajst-20229	3	18	,	,	PUNCT
ajst-20229	3	19	safer	safe	ADJ
ajst-20229	3	20	and	and	CCONJ
ajst-20229	3	21	more	more	ADV
ajst-20229	3	22	economical	economical	ADJ
ajst-20229	3	23	than	than	ADP
ajst-20229	3	24	the	the	DET
ajst-20229	3	25	traditional	traditional	ADJ
ajst-20229	3	26	sulfide	sulfide	NOUN
ajst-20229	3	27	odorant	odorant	NOUN
ajst-20229	3	28	.	.	PUNCT
ajst-20229	4	1	combined	combine	VERB
ajst-20229	4	2	with	with	ADP
ajst-20229	4	3	the	the	DET
ajst-20229	4	4	actual	actual	ADJ
ajst-20229	4	5	application	application	NOUN
ajst-20229	4	6	cases	case	NOUN
ajst-20229	4	7	,	,	PUNCT
ajst-20229	4	8	the	the	DET
ajst-20229	4	9	future	future	ADJ
ajst-20229	4	10	development	development	NOUN
ajst-20229	4	11	trend	trend	NOUN
ajst-20229	4	12	and	and	CCONJ
ajst-20229	4	13	prospect	prospect	NOUN
ajst-20229	4	14	of	of	ADP
ajst-20229	4	15	sulfur	sulfur	NOUN
ajst-20229	4	16	-	-	PUNCT
ajst-20229	4	17	free	free	ADJ
ajst-20229	4	18	odorant	odorant	NOUN
ajst-20229	4	19	in	in	ADP
ajst-20229	4	20	the	the	DET
ajst-20229	4	21	natural	natural	ADJ
ajst-20229	4	22	gas	gas	NOUN
ajst-20229	4	23	industry	industry	NOUN
ajst-20229	4	24	are	be	AUX
ajst-20229	4	25	prospected	prospect	VERB
ajst-20229	4	26	.	.	PUNCT
ajst-20229	5	1	keywords	keyword	NOUN
ajst-20229	5	2	:	:	PUNCT
ajst-20229	5	3	natural	natural	ADJ
ajst-20229	5	4	gas	gas	NOUN
ajst-20229	5	5	odorization	odorization	NOUN
ajst-20229	5	6	;	;	PUNCT
ajst-20229	5	7	sulphur	sulphur	NOUN
ajst-20229	5	8	-	-	PUNCT
ajst-20229	5	9	free	free	ADJ
ajst-20229	5	10	odorant	odorant	NOUN
ajst-20229	5	11	;	;	PUNCT
ajst-20229	5	12	traditional	traditional	ADJ
ajst-20229	5	13	sulfide	sulfide	NOUN
ajst-20229	5	14	odorant	odorant	NOUN
ajst-20229	5	15	;	;	PUNCT
ajst-20229	5	16	future	future	ADJ
ajst-20229	5	17	development	development	NOUN
ajst-20229	5	18	.	.	PUNCT
ajst-20229	6	1	1	1	X
ajst-20229	6	2	.	.	X
ajst-20229	6	3	introduction	introduction	NOUN
ajst-20229	6	4	as	as	ADP
ajst-20229	6	5	an	an	DET
ajst-20229	6	6	important	important	ADJ
ajst-20229	6	7	energy	energy	NOUN
ajst-20229	6	8	resource	resource	NOUN
ajst-20229	6	9	,	,	PUNCT
ajst-20229	6	10	natural	natural	ADJ
ajst-20229	6	11	gas	gas	NOUN
ajst-20229	6	12	plays	play	VERB
ajst-20229	6	13	an	an	DET
ajst-20229	6	14	important	important	ADJ
ajst-20229	6	15	role	role	NOUN
ajst-20229	6	16	in	in	ADP
ajst-20229	6	17	the	the	DET
ajst-20229	6	18	energy	energy	NOUN
ajst-20229	6	19	structure	structure	NOUN
ajst-20229	6	20	of	of	ADP
ajst-20229	6	21	the	the	DET
ajst-20229	6	22	world	world	NOUN
ajst-20229	6	23	today	today	NOUN
ajst-20229	6	24	.	.	PUNCT
ajst-20229	7	1	natural	natural	ADJ
ajst-20229	7	2	gas	gas	NOUN
ajst-20229	7	3	is	be	AUX
ajst-20229	7	4	mainly	mainly	ADV
ajst-20229	7	5	composed	compose	VERB
ajst-20229	7	6	of	of	ADP
ajst-20229	7	7	methane	methane	NOUN
ajst-20229	7	8	(	(	PUNCT
ajst-20229	7	9	ch4	ch4	PROPN
ajst-20229	7	10	)	)	PUNCT
ajst-20229	7	11	,	,	PUNCT
ajst-20229	7	12	which	which	PRON
ajst-20229	7	13	also	also	ADV
ajst-20229	7	14	contains	contain	VERB
ajst-20229	7	15	some	some	DET
ajst-20229	7	16	other	other	ADJ
ajst-20229	7	17	hydrocarbons	hydrocarbon	NOUN
ajst-20229	7	18	,	,	PUNCT
ajst-20229	7	19	such	such	ADJ
ajst-20229	7	20	as	as	ADP
ajst-20229	7	21	ethane	ethane	NOUN
ajst-20229	7	22	,	,	PUNCT
ajst-20229	7	23	propane	propane	NOUN
ajst-20229	7	24	and	and	CCONJ
ajst-20229	7	25	butane	butane	NOUN
ajst-20229	8	1	[	[	X
ajst-20229	8	2	1	1	NUM
ajst-20229	8	3	]	]	PUNCT
ajst-20229	8	4	.	.	PUNCT
ajst-20229	8	5	natural	natural	ADJ
ajst-20229	8	6	gas	gas	NOUN
ajst-20229	8	7	is	be	AUX
ajst-20229	8	8	almost	almost	ADV
ajst-20229	8	9	free	free	ADJ
ajst-20229	8	10	of	of	ADP
ajst-20229	8	11	sulfur	sulfur	NOUN
ajst-20229	8	12	,	,	PUNCT
ajst-20229	8	13	dust	dust	NOUN
ajst-20229	8	14	and	and	CCONJ
ajst-20229	8	15	other	other	ADJ
ajst-20229	8	16	harmful	harmful	ADJ
ajst-20229	8	17	substances	substance	NOUN
ajst-20229	8	18	.	.	PUNCT
ajst-20229	9	1	it	it	PRON
ajst-20229	9	2	is	be	AUX
ajst-20229	9	3	non	non	ADJ
ajst-20229	9	4	-	-	ADJ
ajst-20229	9	5	toxic	toxic	ADJ
ajst-20229	9	6	and	and	CCONJ
ajst-20229	9	7	easy	easy	ADJ
ajst-20229	9	8	to	to	PART
ajst-20229	9	9	emit	emit	VERB
ajst-20229	9	10	.	.	PUNCT
ajst-20229	10	1	the	the	DET
ajst-20229	10	2	carbon	carbon	NOUN
ajst-20229	10	3	dioxide	dioxide	NOUN
ajst-20229	10	4	produced	produce	VERB
ajst-20229	10	5	during	during	ADP
ajst-20229	10	6	combustion	combustion	NOUN
ajst-20229	10	7	is	be	AUX
ajst-20229	10	8	less	less	ADJ
ajst-20229	10	9	than	than	ADP
ajst-20229	10	10	other	other	ADJ
ajst-20229	10	11	fossil	fossil	ADJ
ajst-20229	10	12	fuels	fuel	NOUN
ajst-20229	10	13	,	,	PUNCT
ajst-20229	10	14	which	which	PRON
ajst-20229	10	15	has	have	VERB
ajst-20229	10	16	little	little	ADJ
ajst-20229	10	17	effect	effect	NOUN
ajst-20229	10	18	on	on	ADP
ajst-20229	10	19	the	the	DET
ajst-20229	10	20	greenhouse	greenhouse	NOUN
ajst-20229	10	21	effect	effect	NOUN
ajst-20229	10	22	of	of	ADP
ajst-20229	10	23	the	the	DET
ajst-20229	10	24	environment	environment	NOUN
ajst-20229	10	25	.	.	PUNCT
ajst-20229	11	1	it	it	PRON
ajst-20229	11	2	is	be	AUX
ajst-20229	11	3	a	a	DET
ajst-20229	11	4	clean	clean	ADJ
ajst-20229	11	5	energy	energy	NOUN
ajst-20229	11	6	,	,	PUNCT
ajst-20229	11	7	and	and	CCONJ
ajst-20229	11	8	the	the	DET
ajst-20229	11	9	price	price	NOUN
ajst-20229	11	10	is	be	AUX
ajst-20229	11	11	economical	economical	ADJ
ajst-20229	11	12	.	.	PUNCT
ajst-20229	12	1	it	it	PRON
ajst-20229	12	2	is	be	AUX
ajst-20229	12	3	not	not	PART
ajst-20229	12	4	easy	easy	ADJ
ajst-20229	12	5	to	to	PART
ajst-20229	12	6	accumulate	accumulate	VERB
ajst-20229	12	7	into	into	ADP
ajst-20229	12	8	explosive	explosive	ADJ
ajst-20229	12	9	gas	gas	NOUN
ajst-20229	12	10	after	after	ADP
ajst-20229	12	11	leakage	leakage	NOUN
ajst-20229	12	12	,	,	PUNCT
ajst-20229	12	13	which	which	PRON
ajst-20229	12	14	is	be	AUX
ajst-20229	12	15	relatively	relatively	ADV
ajst-20229	12	16	safe	safe	ADJ
ajst-20229	12	17	.	.	PUNCT
ajst-20229	13	1	natural	natural	ADJ
ajst-20229	13	2	gas	gas	NOUN
ajst-20229	13	3	plays	play	VERB
ajst-20229	13	4	an	an	DET
ajst-20229	13	5	important	important	ADJ
ajst-20229	13	6	role	role	NOUN
ajst-20229	13	7	in	in	ADP
ajst-20229	13	8	the	the	DET
ajst-20229	13	9	energy	energy	NOUN
ajst-20229	13	10	field	field	NOUN
ajst-20229	13	11	.	.	PUNCT
ajst-20229	14	1	it	it	PRON
ajst-20229	14	2	not	not	PART
ajst-20229	14	3	only	only	ADV
ajst-20229	14	4	occupies	occupy	VERB
ajst-20229	14	5	an	an	DET
ajst-20229	14	6	increasing	increase	VERB
ajst-20229	14	7	proportion	proportion	NOUN
ajst-20229	14	8	in	in	ADP
ajst-20229	14	9	the	the	DET
ajst-20229	14	10	energy	energy	NOUN
ajst-20229	14	11	consumption	consumption	NOUN
ajst-20229	14	12	structure	structure	NOUN
ajst-20229	14	13	,	,	PUNCT
ajst-20229	14	14	but	but	CCONJ
ajst-20229	14	15	also	also	ADV
ajst-20229	14	16	plays	play	VERB
ajst-20229	14	17	a	a	DET
ajst-20229	14	18	key	key	ADJ
ajst-20229	14	19	role	role	NOUN
ajst-20229	14	20	in	in	ADP
ajst-20229	14	21	promoting	promote	VERB
ajst-20229	14	22	energy	energy	NOUN
ajst-20229	14	23	cleanliness	cleanliness	NOUN
ajst-20229	14	24	,	,	PUNCT
ajst-20229	14	25	ensuring	ensure	VERB
ajst-20229	14	26	energy	energy	NOUN
ajst-20229	14	27	security	security	NOUN
ajst-20229	14	28	and	and	CCONJ
ajst-20229	14	29	promoting	promote	VERB
ajst-20229	14	30	economic	economic	ADJ
ajst-20229	14	31	development	development	NOUN
ajst-20229	14	32	.	.	PUNCT
ajst-20229	15	1	with	with	ADP
ajst-20229	15	2	the	the	DET
ajst-20229	15	3	increasing	increase	VERB
ajst-20229	15	4	demand	demand	NOUN
ajst-20229	15	5	for	for	ADP
ajst-20229	15	6	clean	clean	ADJ
ajst-20229	15	7	energy	energy	NOUN
ajst-20229	15	8	in	in	ADP
ajst-20229	15	9	china	china	PROPN
ajst-20229	15	10	,	,	PUNCT
ajst-20229	15	11	the	the	DET
ajst-20229	15	12	status	status	NOUN
ajst-20229	15	13	of	of	ADP
ajst-20229	15	14	natural	natural	ADJ
ajst-20229	15	15	gas	gas	NOUN
ajst-20229	15	16	is	be	AUX
ajst-20229	15	17	expected	expect	VERB
ajst-20229	15	18	to	to	PART
ajst-20229	15	19	be	be	AUX
ajst-20229	15	20	further	far	ADV
ajst-20229	15	21	enhanced	enhance	VERB
ajst-20229	15	22	in	in	ADP
ajst-20229	15	23	the	the	DET
ajst-20229	15	24	future	future	NOUN
ajst-20229	15	25	.	.	PUNCT
ajst-20229	16	1	however	however	ADV
ajst-20229	16	2	,	,	PUNCT
ajst-20229	16	3	while	while	SCONJ
ajst-20229	16	4	natural	natural	ADJ
ajst-20229	16	5	gas	gas	NOUN
ajst-20229	16	6	brings	bring	VERB
ajst-20229	16	7	convenience	convenience	NOUN
ajst-20229	16	8	to	to	ADP
ajst-20229	16	9	residents	resident	NOUN
ajst-20229	16	10	'	'	PART
ajst-20229	16	11	life	life	NOUN
ajst-20229	16	12	,	,	PUNCT
ajst-20229	16	13	industrial	industrial	ADJ
ajst-20229	16	14	production	production	NOUN
ajst-20229	16	15	and	and	CCONJ
ajst-20229	16	16	commercial	commercial	ADJ
ajst-20229	16	17	activities	activity	NOUN
ajst-20229	16	18	,	,	PUNCT
ajst-20229	16	19	there	there	PRON
ajst-20229	16	20	are	be	VERB
ajst-20229	16	21	also	also	ADV
ajst-20229	16	22	many	many	ADJ
ajst-20229	16	23	safety	safety	NOUN
ajst-20229	16	24	hazards	hazard	NOUN
ajst-20229	16	25	.	.	PUNCT
ajst-20229	17	1	natural	natural	ADJ
ajst-20229	17	2	gas	gas	NOUN
ajst-20229	17	3	itself	itself	PRON
ajst-20229	17	4	is	be	AUX
ajst-20229	17	5	a	a	DET
ajst-20229	17	6	colorless	colorless	ADJ
ajst-20229	17	7	and	and	CCONJ
ajst-20229	17	8	odorless	odorless	ADJ
ajst-20229	17	9	gas	gas	NOUN
ajst-20229	17	10	,	,	PUNCT
ajst-20229	17	11	which	which	PRON
ajst-20229	17	12	is	be	AUX
ajst-20229	17	13	difficult	difficult	ADJ
ajst-20229	17	14	to	to	PART
ajst-20229	17	15	be	be	AUX
ajst-20229	17	16	intuitively	intuitively	ADV
ajst-20229	17	17	detected	detect	VERB
ajst-20229	17	18	when	when	SCONJ
ajst-20229	17	19	it	it	PRON
ajst-20229	17	20	leaks	leak	VERB
ajst-20229	17	21	.	.	PUNCT
ajst-20229	18	1	therefore	therefore	ADV
ajst-20229	18	2	,	,	PUNCT
ajst-20229	18	3	in	in	ADP
ajst-20229	18	4	order	order	NOUN
ajst-20229	18	5	to	to	PART
ajst-20229	18	6	improve	improve	VERB
ajst-20229	18	7	the	the	DET
ajst-20229	18	8	safety	safety	NOUN
ajst-20229	18	9	of	of	ADP
ajst-20229	18	10	natural	natural	ADJ
ajst-20229	18	11	gas	gas	NOUN
ajst-20229	18	12	and	and	CCONJ
ajst-20229	18	13	ensure	ensure	VERB
ajst-20229	18	14	the	the	DET
ajst-20229	18	15	safety	safety	NOUN
ajst-20229	18	16	of	of	ADP
ajst-20229	18	17	people	people	NOUN
ajst-20229	18	18	's	's	PART
ajst-20229	18	19	lives	life	NOUN
ajst-20229	18	20	and	and	CCONJ
ajst-20229	18	21	property	property	NOUN
ajst-20229	18	22	,	,	PUNCT
ajst-20229	18	23	a	a	DET
ajst-20229	18	24	small	small	ADJ
ajst-20229	18	25	amount	amount	NOUN
ajst-20229	18	26	of	of	ADP
ajst-20229	18	27	chemical	chemical	ADJ
ajst-20229	18	28	substances	substance	NOUN
ajst-20229	18	29	containing	contain	VERB
ajst-20229	18	30	irritating	irritate	VERB
ajst-20229	18	31	odor	odor	NOUN
ajst-20229	18	32	are	be	AUX
ajst-20229	18	33	usually	usually	ADV
ajst-20229	18	34	added	add	VERB
ajst-20229	18	35	to	to	ADP
ajst-20229	18	36	natural	natural	ADJ
ajst-20229	18	37	gas	gas	NOUN
ajst-20229	18	38	as	as	ADP
ajst-20229	18	39	a	a	DET
ajst-20229	18	40	odorant	odorant	NOUN
ajst-20229	18	41	,	,	PUNCT
ajst-20229	18	42	so	so	SCONJ
ajst-20229	18	43	that	that	SCONJ
ajst-20229	18	44	it	it	PRON
ajst-20229	18	45	can	can	AUX
ajst-20229	18	46	be	be	AUX
ajst-20229	18	47	detected	detect	VERB
ajst-20229	18	48	when	when	SCONJ
ajst-20229	18	49	it	it	PRON
ajst-20229	18	50	leaks	leak	VERB
ajst-20229	18	51	,	,	PUNCT
ajst-20229	18	52	so	so	SCONJ
ajst-20229	18	53	that	that	SCONJ
ajst-20229	18	54	it	it	PRON
ajst-20229	18	55	can	can	AUX
ajst-20229	18	56	be	be	AUX
ajst-20229	18	57	repaired	repair	VERB
ajst-20229	18	58	and	and	CCONJ
ajst-20229	18	59	processed	process	VERB
ajst-20229	18	60	in	in	ADP
ajst-20229	18	61	time	time	NOUN
ajst-20229	18	62	to	to	PART
ajst-20229	18	63	avoid	avoid	VERB
ajst-20229	18	64	accidents	accident	NOUN
ajst-20229	18	65	.	.	PUNCT
ajst-20229	19	1	at	at	ADP
ajst-20229	19	2	present	present	ADJ
ajst-20229	19	3	,	,	PUNCT
ajst-20229	19	4	most	most	ADJ
ajst-20229	19	5	of	of	ADP
ajst-20229	19	6	the	the	DET
ajst-20229	19	7	odorants	odorant	NOUN
ajst-20229	19	8	widely	widely	ADV
ajst-20229	19	9	used	use	VERB
ajst-20229	19	10	in	in	ADP
ajst-20229	19	11	the	the	DET
ajst-20229	19	12	world	world	NOUN
ajst-20229	19	13	are	be	AUX
ajst-20229	19	14	tetrahydrothiophene	tetrahydrothiophene	NOUN
ajst-20229	19	15	(	(	PUNCT
ajst-20229	19	16	tht	tht	NOUN
ajst-20229	19	17	)	)	PUNCT
ajst-20229	19	18	or	or	CCONJ
ajst-20229	19	19	thiol	thiol	NOUN
ajst-20229	19	20	compounds	compound	NOUN
ajst-20229	19	21	(	(	PUNCT
ajst-20229	19	22	rsh	rsh	PROPN
ajst-20229	19	23	)	)	PUNCT
ajst-20229	19	24	.	.	PUNCT
ajst-20229	20	1	among	among	ADP
ajst-20229	20	2	them	they	PRON
ajst-20229	20	3	,	,	PUNCT
ajst-20229	20	4	the	the	DET
ajst-20229	20	5	application	application	NOUN
ajst-20229	20	6	time	time	NOUN
ajst-20229	20	7	of	of	ADP
ajst-20229	20	8	thiol	thiol	ADJ
ajst-20229	20	9	odorants	odorant	NOUN
ajst-20229	20	10	is	be	AUX
ajst-20229	20	11	the	the	DET
ajst-20229	20	12	longest	long	ADJ
ajst-20229	20	13	,	,	PUNCT
ajst-20229	20	14	and	and	CCONJ
ajst-20229	20	15	the	the	DET
ajst-20229	20	16	use	use	NOUN
ajst-20229	20	17	range	range	NOUN
ajst-20229	20	18	of	of	ADP
ajst-20229	20	19	tht	tht	PROPN
ajst-20229	20	20	is	be	AUX
ajst-20229	20	21	the	the	DET
ajst-20229	20	22	widest	wide	ADJ
ajst-20229	20	23	.	.	PUNCT
ajst-20229	21	1	with	with	ADP
ajst-20229	21	2	the	the	DET
ajst-20229	21	3	enhancement	enhancement	NOUN
ajst-20229	21	4	of	of	ADP
ajst-20229	21	5	people	people	NOUN
ajst-20229	21	6	's	's	PART
ajst-20229	21	7	awareness	awareness	NOUN
ajst-20229	21	8	of	of	ADP
ajst-20229	21	9	environmental	environmental	ADJ
ajst-20229	21	10	protection	protection	NOUN
ajst-20229	21	11	and	and	CCONJ
ajst-20229	21	12	the	the	DET
ajst-20229	21	13	expansion	expansion	NOUN
ajst-20229	21	14	of	of	ADP
ajst-20229	21	15	the	the	DET
ajst-20229	21	16	natural	natural	ADJ
ajst-20229	21	17	gas	gas	NOUN
ajst-20229	21	18	market	market	NOUN
ajst-20229	21	19	,	,	PUNCT
ajst-20229	21	20	there	there	PRON
ajst-20229	21	21	are	be	VERB
ajst-20229	21	22	higher	high	ADJ
ajst-20229	21	23	requirements	requirement	NOUN
ajst-20229	21	24	for	for	ADP
ajst-20229	21	25	the	the	DET
ajst-20229	21	26	control	control	NOUN
ajst-20229	21	27	of	of	ADP
ajst-20229	21	28	sulfur	sulfur	NOUN
ajst-20229	21	29	content	content	NOUN
ajst-20229	21	30	in	in	ADP
ajst-20229	21	31	natural	natural	ADJ
ajst-20229	21	32	gas	gas	NOUN
ajst-20229	21	33	.	.	PUNCT
ajst-20229	22	1	because	because	SCONJ
ajst-20229	22	2	the	the	DET
ajst-20229	22	3	components	component	NOUN
ajst-20229	22	4	of	of	ADP
ajst-20229	22	5	the	the	DET
ajst-20229	22	6	above	above	ADJ
ajst-20229	22	7	two	two	NUM
ajst-20229	22	8	odorants	odorant	NOUN
ajst-20229	22	9	contain	contain	VERB
ajst-20229	22	10	sulfur	sulfur	NOUN
ajst-20229	22	11	(	(	PUNCT
ajst-20229	22	12	s	s	NOUN
ajst-20229	22	13	)	)	PUNCT
ajst-20229	22	14	elements	element	NOUN
ajst-20229	22	15	,	,	PUNCT
ajst-20229	22	16	they	they	PRON
ajst-20229	22	17	will	will	AUX
ajst-20229	22	18	produce	produce	VERB
ajst-20229	22	19	harmful	harmful	ADJ
ajst-20229	22	20	by	by	ADP
ajst-20229	22	21	-	-	PUNCT
ajst-20229	22	22	products	product	NOUN
ajst-20229	22	23	such	such	ADJ
ajst-20229	22	24	as	as	ADP
ajst-20229	22	25	sulfur	sulfur	NOUN
ajst-20229	22	26	dioxide	dioxide	NOUN
ajst-20229	22	27	during	during	ADP
ajst-20229	22	28	combustion	combustion	NOUN
ajst-20229	22	29	,	,	PUNCT
ajst-20229	22	30	causing	cause	VERB
ajst-20229	22	31	environmental	environmental	ADJ
ajst-20229	22	32	pollution	pollution	NOUN
ajst-20229	22	33	.	.	PUNCT
ajst-20229	23	1	at	at	ADP
ajst-20229	23	2	the	the	DET
ajst-20229	23	3	same	same	ADJ
ajst-20229	23	4	time	time	NOUN
ajst-20229	23	5	,	,	PUNCT
ajst-20229	23	6	it	it	PRON
ajst-20229	23	7	will	will	AUX
ajst-20229	23	8	also	also	ADV
ajst-20229	23	9	have	have	VERB
ajst-20229	23	10	a	a	DET
ajst-20229	23	11	certain	certain	ADJ
ajst-20229	23	12	impact	impact	NOUN
ajst-20229	23	13	on	on	ADP
ajst-20229	23	14	the	the	DET
ajst-20229	23	15	product	product	NOUN
ajst-20229	23	16	quality	quality	NOUN
ajst-20229	23	17	of	of	ADP
ajst-20229	23	18	some	some	DET
ajst-20229	23	19	industrial	industrial	ADJ
ajst-20229	23	20	customers	customer	NOUN
ajst-20229	23	21	.	.	PUNCT
ajst-20229	24	1	the	the	DET
ajst-20229	24	2	research	research	NOUN
ajst-20229	24	3	work	work	NOUN
ajst-20229	24	4	of	of	ADP
ajst-20229	24	5	sulfurfree	sulfurfree	ADJ
ajst-20229	24	6	odorant	odorant	NOUN
ajst-20229	24	7	will	will	AUX
ajst-20229	24	8	become	become	VERB
ajst-20229	24	9	the	the	DET
ajst-20229	24	10	development	development	NOUN
ajst-20229	24	11	trend	trend	NOUN
ajst-20229	24	12	of	of	ADP
ajst-20229	24	13	gas	gas	NOUN
ajst-20229	24	14	industry	industry	NOUN
ajst-20229	24	15	in	in	ADP
ajst-20229	24	16	the	the	DET
ajst-20229	24	17	future	future	NOUN
ajst-20229	24	18	[	[	X
ajst-20229	24	19	2	2	NUM
ajst-20229	24	20	]	]	PUNCT
ajst-20229	24	21	.	.	PUNCT
ajst-20229	25	1	2	2	X
ajst-20229	25	2	.	.	X
ajst-20229	25	3	section	section	NOUN
ajst-20229	25	4	headings	heading	NOUN
ajst-20229	25	5	at	at	ADP
ajst-20229	25	6	present	present	ADJ
ajst-20229	25	7	,	,	PUNCT
ajst-20229	25	8	there	there	PRON
ajst-20229	25	9	are	be	VERB
ajst-20229	25	10	mainly	mainly	ADV
ajst-20229	25	11	three	three	NUM
ajst-20229	25	12	kinds	kind	NOUN
ajst-20229	25	13	of	of	ADP
ajst-20229	25	14	commonly	commonly	ADV
ajst-20229	25	15	used	use	VERB
ajst-20229	25	16	odorants	odorant	NOUN
ajst-20229	25	17	,	,	PUNCT
ajst-20229	25	18	including	include	VERB
ajst-20229	25	19	thiols	thiol	NOUN
ajst-20229	25	20	(	(	PUNCT
ajst-20229	25	21	such	such	ADJ
ajst-20229	25	22	as	as	ADP
ajst-20229	25	23	ethanethiol	ethanethiol	NOUN
ajst-20229	25	24	,	,	PUNCT
ajst-20229	25	25	tert	tert	NOUN
ajst-20229	25	26	-	-	PUNCT
ajst-20229	25	27	butyl	butyl	NOUN
ajst-20229	25	28	mercaptan	mercaptan	NOUN
ajst-20229	25	29	,	,	PUNCT
ajst-20229	25	30	isopropyl	isopropyl	NOUN
ajst-20229	25	31	mercaptan	mercaptan	NOUN
ajst-20229	25	32	,	,	PUNCT
ajst-20229	25	33	etc	etc	X
ajst-20229	25	34	.	.	X
ajst-20229	25	35	)	)	PUNCT
ajst-20229	25	36	and	and	CCONJ
ajst-20229	25	37	tetrahydrothiophene	tetrahydrothiophene	NOUN
ajst-20229	25	38	(	(	PUNCT
ajst-20229	25	39	cyclic	cyclic	ADJ
ajst-20229	25	40	sulfide	sulfide	NOUN
ajst-20229	25	41	)	)	PUNCT
ajst-20229	25	42	in	in	ADP
ajst-20229	25	43	traditional	traditional	ADJ
ajst-20229	25	44	sulfide	sulfide	NOUN
ajst-20229	25	45	odorants	odorant	NOUN
ajst-20229	25	46	and	and	CCONJ
ajst-20229	25	47	sulfur	sulfur	NOUN
ajst-20229	25	48	-	-	PUNCT
ajst-20229	25	49	free	free	ADJ
ajst-20229	25	50	sulfur	sulfur	NOUN
ajst-20229	25	51	-	-	PUNCT
ajst-20229	25	52	free	free	ADJ
ajst-20229	25	53	odorants	odorant	NOUN
ajst-20229	25	54	without	without	ADP
ajst-20229	25	55	sulfur	sulfur	NOUN
ajst-20229	25	56	.	.	PUNCT
ajst-20229	26	1	the	the	DET
ajst-20229	26	2	price	price	NOUN
ajst-20229	26	3	of	of	ADP
ajst-20229	26	4	thiol	thiol	ADJ
ajst-20229	26	5	odorant	odorant	NOUN
ajst-20229	26	6	is	be	AUX
ajst-20229	26	7	relatively	relatively	ADV
ajst-20229	26	8	low	low	ADJ
ajst-20229	26	9	.	.	PUNCT
ajst-20229	27	1	generally	generally	ADV
ajst-20229	27	2	speaking	speak	VERB
ajst-20229	27	3	,	,	PUNCT
ajst-20229	27	4	it	it	PRON
ajst-20229	27	5	is	be	AUX
ajst-20229	27	6	a	a	DET
ajst-20229	27	7	colorless	colorless	ADJ
ajst-20229	27	8	,	,	PUNCT
ajst-20229	27	9	odorous	odorous	ADJ
ajst-20229	27	10	and	and	CCONJ
ajst-20229	27	11	volatile	volatile	ADJ
ajst-20229	27	12	oily	oily	ADJ
ajst-20229	27	13	body	body	NOUN
ajst-20229	27	14	.	.	PUNCT
ajst-20229	28	1	it	it	PRON
ajst-20229	28	2	has	have	VERB
ajst-20229	28	3	a	a	DET
ajst-20229	28	4	strong	strong	ADJ
ajst-20229	28	5	odor	odor	NOUN
ajst-20229	28	6	and	and	CCONJ
ajst-20229	28	7	can	can	AUX
ajst-20229	28	8	effectively	effectively	ADV
ajst-20229	28	9	odorize	odorize	VERB
ajst-20229	28	10	,	,	PUNCT
ajst-20229	28	11	but	but	CCONJ
ajst-20229	28	12	it	it	PRON
ajst-20229	28	13	is	be	AUX
ajst-20229	28	14	easy	easy	ADJ
ajst-20229	28	15	to	to	PART
ajst-20229	28	16	oxidize	oxidize	VERB
ajst-20229	28	17	and	and	CCONJ
ajst-20229	28	18	unstable	unstable	ADJ
ajst-20229	28	19	,	,	PUNCT
ajst-20229	28	20	and	and	CCONJ
ajst-20229	28	21	has	have	VERB
ajst-20229	28	22	certain	certain	ADJ
ajst-20229	28	23	pollution	pollution	NOUN
ajst-20229	28	24	to	to	ADP
ajst-20229	28	25	the	the	DET
ajst-20229	28	26	environment	environment	NOUN
ajst-20229	28	27	.	.	PUNCT
ajst-20229	29	1	tht	tht	PROPN
ajst-20229	29	2	is	be	AUX
ajst-20229	29	3	an	an	DET
ajst-20229	29	4	organic	organic	ADJ
ajst-20229	29	5	sulfur	sulfur	NOUN
ajst-20229	29	6	compound	compound	NOUN
ajst-20229	29	7	.	.	PUNCT
ajst-20229	30	1	its	its	PRON
ajst-20229	30	2	pure	pure	ADJ
ajst-20229	30	3	substance	substance	NOUN
ajst-20229	30	4	is	be	AUX
ajst-20229	30	5	a	a	DET
ajst-20229	30	6	colorless	colorless	ADJ
ajst-20229	30	7	or	or	CCONJ
ajst-20229	30	8	yellowish	yellowish	VERB
ajst-20229	30	9	transparent	transparent	ADJ
ajst-20229	30	10	volatile	volatile	ADJ
ajst-20229	30	11	liquid	liquid	NOUN
ajst-20229	30	12	.	.	PUNCT
ajst-20229	31	1	it	it	PRON
ajst-20229	31	2	is	be	AUX
ajst-20229	31	3	insoluble	insoluble	ADJ
ajst-20229	31	4	in	in	ADP
ajst-20229	31	5	water	water	NOUN
ajst-20229	31	6	and	and	CCONJ
ajst-20229	31	7	soluble	soluble	ADJ
ajst-20229	31	8	in	in	ADP
ajst-20229	31	9	ethanol	ethanol	NOUN
ajst-20229	31	10	,	,	PUNCT
ajst-20229	31	11	ether	ether	NOUN
ajst-20229	31	12	,	,	PUNCT
ajst-20229	31	13	benzene	benzene	NOUN
ajst-20229	31	14	,	,	PUNCT
ajst-20229	31	15	acetone	acetone	NOUN
ajst-20229	31	16	,	,	PUNCT
ajst-20229	31	17	etc	etc	X
ajst-20229	31	18	.	.	X
ajst-20229	32	1	it	it	PRON
ajst-20229	32	2	has	have	VERB
ajst-20229	32	3	good	good	ADJ
ajst-20229	32	4	stability	stability	NOUN
ajst-20229	32	5	and	and	CCONJ
ajst-20229	32	6	oxidation	oxidation	NOUN
ajst-20229	32	7	resistance	resistance	NOUN
ajst-20229	32	8	.	.	PUNCT
ajst-20229	33	1	the	the	DET
ajst-20229	33	2	odor	odor	NOUN
ajst-20229	33	3	effect	effect	NOUN
ajst-20229	33	4	is	be	AUX
ajst-20229	33	5	good	good	ADJ
ajst-20229	33	6	,	,	PUNCT
ajst-20229	33	7	the	the	DET
ajst-20229	33	8	pollution	pollution	NOUN
ajst-20229	33	9	to	to	ADP
ajst-20229	33	10	the	the	DET
ajst-20229	33	11	environment	environment	NOUN
ajst-20229	33	12	is	be	AUX
ajst-20229	33	13	relatively	relatively	ADV
ajst-20229	33	14	small	small	ADJ
ajst-20229	33	15	,	,	PUNCT
ajst-20229	33	16	but	but	CCONJ
ajst-20229	33	17	the	the	DET
ajst-20229	33	18	cost	cost	NOUN
ajst-20229	33	19	is	be	AUX
ajst-20229	33	20	high	high	ADJ
ajst-20229	33	21	[	[	X
ajst-20229	33	22	4	4	NUM
ajst-20229	33	23	]	]	PUNCT
ajst-20229	33	24	.	.	PUNCT
ajst-20229	34	1	sulfur	sulfur	NOUN
ajst-20229	34	2	-	-	PUNCT
ajst-20229	34	3	free	free	ADJ
ajst-20229	34	4	odorant	odorant	NOUN
ajst-20229	34	5	is	be	AUX
ajst-20229	34	6	a	a	DET
ajst-20229	34	7	colorless	colorless	ADJ
ajst-20229	34	8	transparent	transparent	ADJ
ajst-20229	34	9	liquid	liquid	NOUN
ajst-20229	34	10	with	with	ADP
ajst-20229	34	11	a	a	DET
ajst-20229	34	12	strong	strong	ADJ
ajst-20229	34	13	irritating	irritating	ADJ
ajst-20229	34	14	odor	odor	NOUN
ajst-20229	34	15	.	.	PUNCT
ajst-20229	35	1	it	it	PRON
ajst-20229	35	2	is	be	AUX
ajst-20229	35	3	a	a	DET
ajst-20229	35	4	mixture	mixture	NOUN
ajst-20229	35	5	of	of	ADP
ajst-20229	35	6	37.4%c4h6o2(methyl	37.4%c4h6o2(methyl	NUM
ajst-20229	35	7	acrylate),60%c5h8o2(ethyl	acrylate),60%c5h8o2(ethyl	PROPN
ajst-20229	35	8	acrylate	acrylate	PROPN
ajst-20229	35	9	)	)	PUNCT
ajst-20229	35	10	,	,	PUNCT
ajst-20229	35	11	2.5%c7h10n2(3	2.5%c7h10n2(3	PROPN
ajst-20229	35	12	-	-	PUNCT
ajst-20229	35	13	ethyl2	ethyl2	NOUN
ajst-20229	35	14	-	-	PUNCT
ajst-20229	35	15	methylpyrazine	methylpyrazine	NOUN
ajst-20229	35	16	)	)	PUNCT
ajst-20229	35	17	and	and	CCONJ
ajst-20229	35	18	0.1%c15h24o	0.1%c15h24o	PROPN
ajst-20229	35	19	(	(	PUNCT
ajst-20229	35	20	2,6	2,6	NUM
ajst-20229	35	21	-	-	NOUN
ajst-20229	35	22	di	di	NOUN
ajst-20229	35	23	-	-	PUNCT
ajst-20229	35	24	tert	tert	NOUN
ajst-20229	35	25	-	-	PUNCT
ajst-20229	35	26	butyl-4methylphenol	butyl-4methylphenol	NOUN
ajst-20229	35	27	)	)	PUNCT
ajst-20229	36	1	[	[	X
ajst-20229	36	2	5].sulfur	5].sulfur	NUM
ajst-20229	36	3	-	-	PUNCT
ajst-20229	36	4	free	free	ADJ
ajst-20229	36	5	odorants	odorant	NOUN
ajst-20229	36	6	have	have	VERB
ajst-20229	36	7	less	less	ADJ
ajst-20229	36	8	pollution	pollution	NOUN
ajst-20229	36	9	to	to	ADP
ajst-20229	36	10	the	the	DET
ajst-20229	36	11	environment	environment	NOUN
ajst-20229	36	12	and	and	CCONJ
ajst-20229	36	13	meet	meet	VERB
ajst-20229	36	14	the	the	DET
ajst-20229	36	15	requirements	requirement	NOUN
ajst-20229	36	16	of	of	ADP
ajst-20229	36	17	environmental	environmental	ADJ
ajst-20229	36	18	protection	protection	NOUN
ajst-20229	36	19	,	,	PUNCT
ajst-20229	36	20	but	but	CCONJ
ajst-20229	36	21	some	some	DET
ajst-20229	36	22	sulfur	sulfur	NOUN
ajst-20229	36	23	-	-	PUNCT
ajst-20229	36	24	free	free	ADJ
ajst-20229	36	25	odorants	odorant	NOUN
ajst-20229	36	26	have	have	VERB
ajst-20229	36	27	low	low	ADJ
ajst-20229	36	28	odor	odor	NOUN
ajst-20229	36	29	intensity	intensity	NOUN
ajst-20229	36	30	and	and	CCONJ
ajst-20229	36	31	may	may	AUX
ajst-20229	36	32	need	need	VERB
ajst-20229	36	33	to	to	PART
ajst-20229	36	34	be	be	AUX
ajst-20229	36	35	used	use	VERB
ajst-20229	36	36	in	in	ADP
ajst-20229	36	37	combination	combination	NOUN
ajst-20229	36	38	.	.	PUNCT
ajst-20229	37	1	the	the	DET
ajst-20229	37	2	physical	physical	ADJ
ajst-20229	37	3	and	and	CCONJ
ajst-20229	37	4	chemical	chemical	NOUN
ajst-20229	37	5	properties	property	NOUN
ajst-20229	37	6	of	of	ADP
ajst-20229	37	7	four	four	NUM
ajst-20229	37	8	common	common	ADJ
ajst-20229	37	9	odorants	odorant	NOUN
ajst-20229	37	10	are	be	AUX
ajst-20229	37	11	listed	list	VERB
ajst-20229	37	12	in	in	ADP
ajst-20229	37	13	table	table	NOUN
ajst-20229	37	14	1	1	NUM
ajst-20229	37	15	-	-	SYM
ajst-20229	37	16	1	1	NUM
ajst-20229	37	17	.	.	PUNCT
ajst-20229	38	1	in	in	ADP
ajst-20229	38	2	this	this	DET
ajst-20229	38	3	paper	paper	NOUN
ajst-20229	38	4	,	,	PUNCT
ajst-20229	38	5	the	the	DET
ajst-20229	38	6	characteristics	characteristic	NOUN
ajst-20229	38	7	of	of	ADP
ajst-20229	38	8	the	the	DET
ajst-20229	38	9	most	most	ADV
ajst-20229	38	10	commonly	commonly	ADV
ajst-20229	38	11	used	use	VERB
ajst-20229	38	12	tht	tht	NOUN
ajst-20229	38	13	and	and	CCONJ
ajst-20229	38	14	emerging	emerge	VERB
ajst-20229	38	15	sulfur	sulfur	NOUN
ajst-20229	38	16	-	-	PUNCT
ajst-20229	38	17	free	free	ADJ
ajst-20229	38	18	odorants	odorant	NOUN
ajst-20229	38	19	at	at	ADP
ajst-20229	38	20	home	home	ADV
ajst-20229	38	21	and	and	CCONJ
ajst-20229	38	22	abroad	abroad	ADV
ajst-20229	38	23	and	and	CCONJ
ajst-20229	38	24	their	their	PRON
ajst-20229	38	25	application	application	NOUN
ajst-20229	38	26	effects	effect	NOUN
ajst-20229	38	27	in	in	ADP
ajst-20229	38	28	practical	practical	ADJ
ajst-20229	38	29	engineering	engineering	NOUN
ajst-20229	38	30	are	be	AUX
ajst-20229	38	31	compared	compare	VERB
ajst-20229	38	32	and	and	CCONJ
ajst-20229	38	33	analyzed	analyze	VERB
ajst-20229	38	34	.	.	PUNCT
ajst-20229	39	1	236	236	NUM
ajst-20229	39	2	table	table	NOUN
ajst-20229	39	3	1	1	NUM
ajst-20229	39	4	-	-	SYM
ajst-20229	39	5	1	1	NUM
ajst-20229	39	6	.	.	PUNCT
ajst-20229	39	7	physicochemical	physicochemical	ADJ
ajst-20229	39	8	properties	property	NOUN
ajst-20229	39	9	of	of	ADP
ajst-20229	39	10	common	common	ADJ
ajst-20229	39	11	odorants	odorant	NOUN
ajst-20229	39	12	category	category	NOUN
ajst-20229	39	13	tert	tert	NOUN
ajst-20229	39	14	-	-	PUNCT
ajst-20229	39	15	butyl	butyl	NOUN
ajst-20229	39	16	thiols	thiol	NOUN
ajst-20229	39	17	ethyl	ethyl	PROPN
ajst-20229	39	18	mercaptan	mercaptan	PROPN
ajst-20229	39	19	thiophane	thiophane	PROPN
ajst-20229	39	20	sulphur	sulphur	NOUN
ajst-20229	39	21	-	-	PUNCT
ajst-20229	39	22	free	free	ADJ
ajst-20229	39	23	odorant	odorant	NOUN
ajst-20229	39	24	for	for	ADP
ajst-20229	39	25	short	short	ADJ
ajst-20229	39	26	tbm	tbm	NOUN
ajst-20229	40	1	em	em	PRON
ajst-20229	40	2	tht	tht	PROPN
ajst-20229	40	3	s	s	VERB
ajst-20229	40	4	-	-	PUNCT
ajst-20229	40	5	free	free	ADJ
ajst-20229	40	6	the	the	DET
ajst-20229	40	7	main	main	ADJ
ajst-20229	40	8	component	component	NOUN
ajst-20229	40	9	molecular	molecular	ADJ
ajst-20229	40	10	formula	formula	NOUN
ajst-20229	40	11	c4h10s	c4h10s	PROPN
ajst-20229	40	12	c2h5sh	c2h5sh	ADP
ajst-20229	40	13	c4h8s	c4h8	NOUN
ajst-20229	40	14	c4h6o2、c5h8o2	c4h6o2、c5h8o2	NOUN
ajst-20229	40	15	character	character	NOUN
ajst-20229	40	16	no	no	DET
ajst-20229	40	17	color	color	NOUN
ajst-20229	40	18	liquid	liquid	NOUN
ajst-20229	40	19	no	no	DET
ajst-20229	40	20	color	color	NOUN
ajst-20229	40	21	liquid	liquid	NOUN
ajst-20229	40	22	no	no	DET
ajst-20229	40	23	color	color	NOUN
ajst-20229	40	24	liquid	liquid	NOUN
ajst-20229	40	25	no	no	DET
ajst-20229	40	26	color	color	NOUN
ajst-20229	40	27	liquid	liquid	NOUN
ajst-20229	40	28	boiling	boiling	NOUN
ajst-20229	40	29	point	point	NOUN
ajst-20229	40	30	(	(	PUNCT
ajst-20229	40	31	℃	℃	PROPN
ajst-20229	40	32	)	)	PUNCT
ajst-20229	40	33	64.3	64.3	NUM
ajst-20229	40	34	35.1	35.1	NUM
ajst-20229	40	35	121.0	121.0	NUM
ajst-20229	40	36	80	80	NUM
ajst-20229	40	37	solidifying	solidifying	NOUN
ajst-20229	40	38	point	point	NOUN
ajst-20229	40	39	(	(	PUNCT
ajst-20229	40	40	℃	℃	PROPN
ajst-20229	40	41	)	)	PUNCT
ajst-20229	40	42	-0.5	-0.5	PROPN
ajst-20229	41	1	-147.8	-147.8	PROPN
ajst-20229	41	2	-96.1	-96.1	NUM
ajst-20229	41	3	-72.0	-72.0	NOUN
ajst-20229	41	4	flash	flash	NOUN
ajst-20229	41	5	point	point	NOUN
ajst-20229	41	6	(	(	PUNCT
ajst-20229	41	7	℃	℃	PROPN
ajst-20229	41	8	)	)	PUNCT
ajst-20229	41	9	-24	-24	PUNCT
ajst-20229	41	10	-45	-45	PUNCT
ajst-20229	41	11	19	19	NUM
ajst-20229	41	12	5	5	NUM
ajst-20229	41	13	ignition	ignition	NOUN
ajst-20229	41	14	point	point	NOUN
ajst-20229	41	15	(	(	PUNCT
ajst-20229	41	16	℃	℃	PROPN
ajst-20229	41	17	)	)	PUNCT
ajst-20229	41	18	304	304	NUM
ajst-20229	41	19	304	304	NUM
ajst-20229	41	20	202	202	NUM
ajst-20229	41	21	395	395	NUM
ajst-20229	41	22	density	density	NOUN
ajst-20229	41	23	(	(	PUNCT
ajst-20229	41	24	20	20	NUM
ajst-20229	41	25	℃	℃	PROPN
ajst-20229	41	26	,g	,g	ADJ
ajst-20229	41	27	/	/	SYM
ajst-20229	41	28	cm3	cm3	NOUN
ajst-20229	41	29	)	)	PUNCT
ajst-20229	41	30	0.7943	0.7943	NUM
ajst-20229	41	31	0.8315	0.8315	NUM
ajst-20229	41	32	0.9987	0.9987	NUM
ajst-20229	41	33	0.933	0.933	NUM
ajst-20229	41	34	explosion	explosion	NOUN
ajst-20229	41	35	limit	limit	NOUN
ajst-20229	41	36	(	(	PUNCT
ajst-20229	41	37	%	%	NOUN
ajst-20229	41	38	)	)	PUNCT
ajst-20229	41	39	2.8	2.8	NUM
ajst-20229	41	40	-	-	SYM
ajst-20229	41	41	18.0	18.0	NUM
ajst-20229	41	42	2.8	2.8	NUM
ajst-20229	41	43	-	-	SYM
ajst-20229	41	44	18.2	18.2	NUM
ajst-20229	41	45	1.1	1.1	NUM
ajst-20229	41	46	-	-	SYM
ajst-20229	41	47	12.1	12.1	NUM
ajst-20229	41	48	1.6	1.6	NUM
ajst-20229	41	49	-	-	SYM
ajst-20229	41	50	23	23	NUM
ajst-20229	41	51	water	water	NOUN
ajst-20229	41	52	solubility	solubility	NOUN
ajst-20229	41	53	slightly	slightly	ADV
ajst-20229	41	54	soluble	soluble	ADJ
ajst-20229	41	55	in	in	ADP
ajst-20229	41	56	water	water	NOUN
ajst-20229	41	57	slightly	slightly	ADV
ajst-20229	41	58	soluble	soluble	ADJ
ajst-20229	41	59	in	in	ADP
ajst-20229	41	60	water	water	NOUN
ajst-20229	41	61	heteroalbumose	heteroalbumose	AUX
ajst-20229	41	62	heteroalbumose	heteroalbumose	VERB
ajst-20229	41	63	3	3	NUM
ajst-20229	41	64	.	.	PUNCT
ajst-20229	41	65	factors	factor	NOUN
ajst-20229	41	66	affecting	affect	VERB
ajst-20229	41	67	the	the	DET
ajst-20229	41	68	conversion	conversion	NOUN
ajst-20229	41	69	of	of	ADP
ajst-20229	41	70	sulfur	sulfur	NOUN
ajst-20229	41	71	-	-	PUNCT
ajst-20229	41	72	free	free	ADJ
ajst-20229	41	73	odorants	odorant	NOUN
ajst-20229	41	74	in	in	ADP
ajst-20229	41	75	order	order	NOUN
ajst-20229	41	76	to	to	PART
ajst-20229	41	77	use	use	VERB
ajst-20229	41	78	sulfur	sulfur	NOUN
ajst-20229	41	79	-	-	PUNCT
ajst-20229	41	80	free	free	ADJ
ajst-20229	41	81	odorant	odorant	NOUN
ajst-20229	41	82	instead	instead	ADV
ajst-20229	41	83	of	of	ADP
ajst-20229	41	84	traditional	traditional	ADJ
ajst-20229	41	85	tht	tht	NOUN
ajst-20229	41	86	,	,	PUNCT
ajst-20229	41	87	the	the	DET
ajst-20229	41	88	following	follow	VERB
ajst-20229	41	89	main	main	ADJ
ajst-20229	41	90	factors	factor	NOUN
ajst-20229	41	91	need	need	VERB
ajst-20229	41	92	to	to	PART
ajst-20229	41	93	be	be	AUX
ajst-20229	41	94	considered	consider	VERB
ajst-20229	41	95	in	in	ADP
ajst-20229	41	96	the	the	DET
ajst-20229	41	97	natural	natural	ADJ
ajst-20229	41	98	gas	gas	NOUN
ajst-20229	41	99	pipeline	pipeline	NOUN
ajst-20229	41	100	network	network	NOUN
ajst-20229	41	101	:	:	PUNCT
ajst-20229	41	102	(	(	PUNCT
ajst-20229	41	103	1	1	X
ajst-20229	41	104	)	)	PUNCT
ajst-20229	41	105	odor	odor	NOUN
ajst-20229	41	106	intensity	intensity	NOUN
ajst-20229	41	107	and	and	CCONJ
ajst-20229	41	108	perception	perception	NOUN
ajst-20229	41	109	difference	difference	NOUN
ajst-20229	41	110	the	the	DET
ajst-20229	41	111	main	main	ADJ
ajst-20229	41	112	function	function	NOUN
ajst-20229	41	113	of	of	ADP
ajst-20229	41	114	gas	gas	NOUN
ajst-20229	41	115	odorant	odorant	NOUN
ajst-20229	41	116	is	be	AUX
ajst-20229	41	117	to	to	PART
ajst-20229	41	118	enhance	enhance	VERB
ajst-20229	41	119	the	the	DET
ajst-20229	41	120	odor	odor	NOUN
ajst-20229	41	121	of	of	ADP
ajst-20229	41	122	specific	specific	ADJ
ajst-20229	41	123	gases	gas	NOUN
ajst-20229	41	124	in	in	ADP
ajst-20229	41	125	natural	natural	ADJ
ajst-20229	41	126	gas	gas	NOUN
ajst-20229	41	127	or	or	CCONJ
ajst-20229	41	128	other	other	ADJ
ajst-20229	41	129	gas	gas	NOUN
ajst-20229	41	130	,	,	PUNCT
ajst-20229	41	131	so	so	SCONJ
ajst-20229	41	132	that	that	SCONJ
ajst-20229	41	133	it	it	PRON
ajst-20229	41	134	can	can	AUX
ajst-20229	41	135	be	be	AUX
ajst-20229	41	136	quickly	quickly	ADV
ajst-20229	41	137	detected	detect	VERB
ajst-20229	41	138	when	when	SCONJ
ajst-20229	41	139	the	the	DET
ajst-20229	41	140	gas	gas	NOUN
ajst-20229	41	141	leaks	leak	NOUN
ajst-20229	41	142	.	.	PUNCT
ajst-20229	42	1	therefore	therefore	ADV
ajst-20229	42	2	,	,	PUNCT
ajst-20229	42	3	the	the	DET
ajst-20229	42	4	odorant	odorant	NOUN
ajst-20229	42	5	needs	need	VERB
ajst-20229	42	6	to	to	PART
ajst-20229	42	7	have	have	VERB
ajst-20229	42	8	sufficient	sufficient	ADJ
ajst-20229	42	9	odor	odor	NOUN
ajst-20229	42	10	intensity	intensity	NOUN
ajst-20229	42	11	to	to	PART
ajst-20229	42	12	meet	meet	VERB
ajst-20229	42	13	the	the	DET
ajst-20229	42	14	threshold	threshold	NOUN
ajst-20229	42	15	that	that	PRON
ajst-20229	42	16	can	can	AUX
ajst-20229	42	17	be	be	AUX
ajst-20229	42	18	detected	detect	VERB
ajst-20229	42	19	by	by	ADP
ajst-20229	42	20	users	user	NOUN
ajst-20229	42	21	when	when	SCONJ
ajst-20229	42	22	the	the	DET
ajst-20229	42	23	gas	gas	NOUN
ajst-20229	42	24	leaks	leak	NOUN
ajst-20229	42	25	.	.	PUNCT
ajst-20229	43	1	the	the	DET
ajst-20229	43	2	odor	odor	NOUN
ajst-20229	43	3	of	of	ADP
ajst-20229	43	4	tht	tht	PRON
ajst-20229	43	5	is	be	AUX
ajst-20229	43	6	often	often	ADV
ajst-20229	43	7	described	describe	VERB
ajst-20229	43	8	as	as	ADP
ajst-20229	43	9	a	a	DET
ajst-20229	43	10	pungent	pungent	ADJ
ajst-20229	43	11	odor	odor	NOUN
ajst-20229	43	12	similar	similar	ADJ
ajst-20229	43	13	to	to	ADP
ajst-20229	43	14	that	that	PRON
ajst-20229	43	15	of	of	ADP
ajst-20229	43	16	rubber	rubber	NOUN
ajst-20229	43	17	or	or	CCONJ
ajst-20229	43	18	gasoline	gasoline	NOUN
ajst-20229	43	19	.	.	PUNCT
ajst-20229	44	1	its	its	PRON
ajst-20229	44	2	odor	odor	NOUN
ajst-20229	44	3	is	be	AUX
ajst-20229	44	4	strong	strong	ADJ
ajst-20229	44	5	and	and	CCONJ
ajst-20229	44	6	persistent	persistent	ADJ
ajst-20229	44	7	,	,	PUNCT
ajst-20229	44	8	and	and	CCONJ
ajst-20229	44	9	can	can	AUX
ajst-20229	44	10	be	be	AUX
ajst-20229	44	11	easily	easily	ADV
ajst-20229	44	12	detected	detect	VERB
ajst-20229	44	13	even	even	ADV
ajst-20229	44	14	at	at	ADP
ajst-20229	44	15	low	low	ADJ
ajst-20229	44	16	concentrations	concentration	NOUN
ajst-20229	44	17	,	,	PUNCT
ajst-20229	44	18	and	and	CCONJ
ajst-20229	44	19	the	the	DET
ajst-20229	44	20	olfactory	olfactory	ADJ
ajst-20229	44	21	threshold	threshold	NOUN
ajst-20229	44	22	of	of	ADP
ajst-20229	44	23	tht	tht	PRON
ajst-20229	44	24	is	be	AUX
ajst-20229	44	25	relatively	relatively	ADV
ajst-20229	44	26	low	low	ADJ
ajst-20229	44	27	,	,	PUNCT
ajst-20229	44	28	which	which	PRON
ajst-20229	44	29	means	mean	VERB
ajst-20229	44	30	that	that	SCONJ
ajst-20229	44	31	people	people	NOUN
ajst-20229	44	32	can	can	AUX
ajst-20229	44	33	notice	notice	VERB
ajst-20229	44	34	its	its	PRON
ajst-20229	44	35	odor	odor	NOUN
ajst-20229	44	36	very	very	ADV
ajst-20229	44	37	early	early	ADV
ajst-20229	44	38	in	in	ADP
ajst-20229	44	39	the	the	DET
ajst-20229	44	40	leak	leak	NOUN
ajst-20229	44	41	.	.	PUNCT
ajst-20229	45	1	sulfur	sulfur	NOUN
ajst-20229	45	2	-	-	PUNCT
ajst-20229	45	3	free	free	ADJ
ajst-20229	45	4	odorants	odorant	NOUN
ajst-20229	45	5	have	have	VERB
ajst-20229	45	6	different	different	ADJ
ajst-20229	45	7	odor	odor	NOUN
ajst-20229	45	8	characteristics	characteristic	NOUN
ajst-20229	45	9	.	.	PUNCT
ajst-20229	46	1	their	their	PRON
ajst-20229	46	2	odors	odor	NOUN
ajst-20229	46	3	are	be	AUX
ajst-20229	46	4	usually	usually	ADV
ajst-20229	46	5	described	describe	VERB
ajst-20229	46	6	as	as	ADP
ajst-20229	46	7	odors	odor	NOUN
ajst-20229	46	8	similar	similar	ADJ
ajst-20229	46	9	to	to	ADP
ajst-20229	46	10	rotten	rotten	ADJ
ajst-20229	46	11	eggs	egg	NOUN
ajst-20229	46	12	or	or	CCONJ
ajst-20229	46	13	sulfur	sulfur	NOUN
ajst-20229	46	14	.	.	PUNCT
ajst-20229	47	1	this	this	DET
ajst-20229	47	2	odor	odor	NOUN
ajst-20229	47	3	is	be	AUX
ajst-20229	47	4	usually	usually	ADV
ajst-20229	47	5	obvious	obvious	ADJ
ajst-20229	47	6	,	,	PUNCT
ajst-20229	47	7	and	and	CCONJ
ajst-20229	47	8	its	its	PRON
ajst-20229	47	9	olfactory	olfactory	ADJ
ajst-20229	47	10	threshold	threshold	NOUN
ajst-20229	47	11	is	be	AUX
ajst-20229	47	12	also	also	ADV
ajst-20229	47	13	low	low	ADJ
ajst-20229	47	14	.	.	PUNCT
ajst-20229	48	1	it	it	PRON
ajst-20229	48	2	can	can	AUX
ajst-20229	48	3	also	also	ADV
ajst-20229	48	4	be	be	AUX
ajst-20229	48	5	detected	detect	VERB
ajst-20229	48	6	at	at	ADP
ajst-20229	48	7	low	low	ADJ
ajst-20229	48	8	concentrations	concentration	NOUN
ajst-20229	48	9	.	.	PUNCT
ajst-20229	49	1	(	(	PUNCT
ajst-20229	49	2	2	2	X
ajst-20229	49	3	)	)	PUNCT
ajst-20229	49	4	chemical	chemical	ADJ
ajst-20229	49	5	stability	stability	NOUN
ajst-20229	49	6	and	and	CCONJ
ajst-20229	49	7	reactivity	reactivity	NOUN
ajst-20229	49	8	under	under	ADP
ajst-20229	49	9	normal	normal	ADJ
ajst-20229	49	10	conditions	condition	NOUN
ajst-20229	49	11	,	,	PUNCT
ajst-20229	49	12	the	the	DET
ajst-20229	49	13	sulfur	sulfur	NOUN
ajst-20229	49	14	-	-	PUNCT
ajst-20229	49	15	free	free	ADJ
ajst-20229	49	16	odorant	odorant	NOUN
ajst-20229	49	17	is	be	AUX
ajst-20229	49	18	relatively	relatively	ADV
ajst-20229	49	19	stable	stable	ADJ
ajst-20229	49	20	,	,	PUNCT
ajst-20229	49	21	does	do	AUX
ajst-20229	49	22	not	not	PART
ajst-20229	49	23	react	react	VERB
ajst-20229	49	24	with	with	ADP
ajst-20229	49	25	the	the	DET
ajst-20229	49	26	pipe	pipe	NOUN
ajst-20229	49	27	,	,	PUNCT
ajst-20229	49	28	and	and	CCONJ
ajst-20229	49	29	has	have	VERB
ajst-20229	49	30	strong	strong	ADJ
ajst-20229	49	31	adaptability	adaptability	NOUN
ajst-20229	49	32	and	and	CCONJ
ajst-20229	49	33	no	no	DET
ajst-20229	49	34	corrosion	corrosion	NOUN
ajst-20229	49	35	to	to	ADP
ajst-20229	49	36	various	various	ADJ
ajst-20229	49	37	pipes	pipe	NOUN
ajst-20229	49	38	.	.	PUNCT
ajst-20229	50	1	however	however	ADV
ajst-20229	50	2	,	,	PUNCT
ajst-20229	50	3	it	it	PRON
ajst-20229	50	4	may	may	AUX
ajst-20229	50	5	decompose	decompose	VERB
ajst-20229	50	6	at	at	ADP
ajst-20229	50	7	high	high	ADJ
ajst-20229	50	8	temperature	temperature	NOUN
ajst-20229	50	9	,	,	PUNCT
ajst-20229	50	10	high	high	ADJ
ajst-20229	50	11	humidity	humidity	NOUN
ajst-20229	50	12	or	or	CCONJ
ajst-20229	50	13	in	in	ADP
ajst-20229	50	14	the	the	DET
ajst-20229	50	15	presence	presence	NOUN
ajst-20229	50	16	of	of	ADP
ajst-20229	50	17	catalysts	catalyst	NOUN
ajst-20229	50	18	,	,	PUNCT
ajst-20229	50	19	and	and	CCONJ
ajst-20229	50	20	it	it	PRON
ajst-20229	50	21	is	be	AUX
ajst-20229	50	22	easy	easy	ADJ
ajst-20229	50	23	to	to	PART
ajst-20229	50	24	cause	cause	VERB
ajst-20229	50	25	polymerization	polymerization	NOUN
ajst-20229	50	26	under	under	ADP
ajst-20229	50	27	the	the	DET
ajst-20229	50	28	contact	contact	NOUN
ajst-20229	50	29	of	of	ADP
ajst-20229	50	30	sunlight	sunlight	NOUN
ajst-20229	50	31	,	,	PUNCT
ajst-20229	50	32	ultraviolet	ultraviolet	ADJ
ajst-20229	50	33	light	light	NOUN
ajst-20229	50	34	,	,	PUNCT
ajst-20229	50	35	x	x	NOUN
ajst-20229	50	36	-	-	NOUN
ajst-20229	50	37	ray	ray	NOUN
ajst-20229	50	38	,	,	PUNCT
ajst-20229	50	39	etc	etc	X
ajst-20229	50	40	.	.	X
ajst-20229	50	41	,	,	PUNCT
ajst-20229	50	42	which	which	PRON
ajst-20229	50	43	means	mean	VERB
ajst-20229	50	44	that	that	SCONJ
ajst-20229	50	45	under	under	ADP
ajst-20229	50	46	specific	specific	ADJ
ajst-20229	50	47	environmental	environmental	ADJ
ajst-20229	50	48	conditions	condition	NOUN
ajst-20229	50	49	,	,	PUNCT
ajst-20229	50	50	sulfur	sulfur	NOUN
ajst-20229	50	51	-	-	PUNCT
ajst-20229	50	52	free	free	ADJ
ajst-20229	50	53	odorants	odorant	NOUN
ajst-20229	50	54	may	may	AUX
ajst-20229	50	55	lose	lose	VERB
ajst-20229	50	56	their	their	PRON
ajst-20229	50	57	odorization	odorization	NOUN
ajst-20229	50	58	efficiency	efficiency	NOUN
ajst-20229	50	59	or	or	CCONJ
ajst-20229	50	60	generate	generate	VERB
ajst-20229	50	61	additional	additional	ADJ
ajst-20229	50	62	gases	gas	NOUN
ajst-20229	50	63	,	,	PUNCT
ajst-20229	50	64	which	which	PRON
ajst-20229	50	65	may	may	AUX
ajst-20229	50	66	affect	affect	VERB
ajst-20229	50	67	the	the	DET
ajst-20229	50	68	safety	safety	NOUN
ajst-20229	50	69	of	of	ADP
ajst-20229	50	70	the	the	DET
ajst-20229	50	71	pipeline	pipeline	NOUN
ajst-20229	50	72	network	network	NOUN
ajst-20229	50	73	.	.	PUNCT
ajst-20229	51	1	in	in	ADP
ajst-20229	51	2	contrast	contrast	NOUN
ajst-20229	51	3	,	,	PUNCT
ajst-20229	51	4	tht	tht	PROPN
ajst-20229	51	5	has	have	VERB
ajst-20229	51	6	relatively	relatively	ADV
ajst-20229	51	7	good	good	ADJ
ajst-20229	51	8	stability	stability	NOUN
ajst-20229	51	9	in	in	ADP
ajst-20229	51	10	natural	natural	ADJ
ajst-20229	51	11	gas	gas	NOUN
ajst-20229	51	12	.	.	PUNCT
ajst-20229	52	1	(	(	PUNCT
ajst-20229	52	2	3	3	NUM
ajst-20229	52	3	)	)	PUNCT
ajst-20229	52	4	toxicity	toxicity	NOUN
ajst-20229	52	5	and	and	CCONJ
ajst-20229	52	6	environmental	environmental	ADJ
ajst-20229	52	7	impact	impact	NOUN
ajst-20229	52	8	traditional	traditional	ADJ
ajst-20229	52	9	sulfide	sulfide	NOUN
ajst-20229	52	10	odorants	odorant	NOUN
ajst-20229	52	11	(	(	PUNCT
ajst-20229	52	12	such	such	ADJ
ajst-20229	52	13	as	as	ADP
ajst-20229	52	14	tht	tht	PROPN
ajst-20229	52	15	)	)	PUNCT
ajst-20229	52	16	usually	usually	ADV
ajst-20229	52	17	use	use	VERB
ajst-20229	52	18	sulfides	sulfide	NOUN
ajst-20229	52	19	such	such	ADJ
ajst-20229	52	20	as	as	ADP
ajst-20229	52	21	hydrogen	hydrogen	NOUN
ajst-20229	52	22	sulfide	sulfide	NOUN
ajst-20229	52	23	as	as	ADP
ajst-20229	52	24	raw	raw	ADJ
ajst-20229	52	25	materials	material	NOUN
ajst-20229	52	26	[	[	X
ajst-20229	52	27	6	6	NUM
ajst-20229	52	28	]	]	PUNCT
ajst-20229	52	29	,	,	PUNCT
ajst-20229	52	30	which	which	PRON
ajst-20229	52	31	have	have	VERB
ajst-20229	52	32	obvious	obvious	ADJ
ajst-20229	52	33	odorizing	odorizing	NOUN
ajst-20229	52	34	effect	effect	NOUN
ajst-20229	52	35	and	and	CCONJ
ajst-20229	52	36	can	can	AUX
ajst-20229	52	37	play	play	VERB
ajst-20229	52	38	a	a	DET
ajst-20229	52	39	role	role	NOUN
ajst-20229	52	40	quickly	quickly	ADV
ajst-20229	52	41	and	and	CCONJ
ajst-20229	52	42	effectively	effectively	ADV
ajst-20229	52	43	.	.	PUNCT
ajst-20229	53	1	however	however	ADV
ajst-20229	53	2	,	,	PUNCT
ajst-20229	53	3	sulfides	sulfide	NOUN
ajst-20229	53	4	have	have	VERB
ajst-20229	53	5	certain	certain	ADJ
ajst-20229	53	6	toxicity	toxicity	NOUN
ajst-20229	53	7	and	and	CCONJ
ajst-20229	53	8	corrosivity	corrosivity	NOUN
ajst-20229	53	9	,	,	PUNCT
ajst-20229	53	10	and	and	CCONJ
ajst-20229	53	11	there	there	PRON
ajst-20229	53	12	are	be	VERB
ajst-20229	53	13	safety	safety	NOUN
ajst-20229	53	14	risks	risk	NOUN
ajst-20229	53	15	in	in	ADP
ajst-20229	53	16	the	the	DET
ajst-20229	53	17	production	production	NOUN
ajst-20229	53	18	and	and	CCONJ
ajst-20229	53	19	use	use	NOUN
ajst-20229	53	20	process	process	NOUN
ajst-20229	53	21	,	,	PUNCT
ajst-20229	53	22	which	which	PRON
ajst-20229	53	23	have	have	VERB
ajst-20229	53	24	potential	potential	ADJ
ajst-20229	53	25	hazards	hazard	NOUN
ajst-20229	53	26	to	to	ADP
ajst-20229	53	27	the	the	DET
ajst-20229	53	28	environment	environment	NOUN
ajst-20229	53	29	and	and	CCONJ
ajst-20229	53	30	human	human	ADJ
ajst-20229	53	31	health	health	NOUN
ajst-20229	53	32	.	.	PUNCT
ajst-20229	54	1	high	high	ADJ
ajst-20229	54	2	concentrations	concentration	NOUN
ajst-20229	54	3	of	of	ADP
ajst-20229	54	4	tht	tht	PRON
ajst-20229	54	5	can	can	AUX
ajst-20229	54	6	cause	cause	VERB
ajst-20229	54	7	discomfort	discomfort	NOUN
ajst-20229	54	8	to	to	ADP
ajst-20229	54	9	the	the	DET
ajst-20229	54	10	human	human	ADJ
ajst-20229	54	11	body	body	NOUN
ajst-20229	54	12	,	,	PUNCT
ajst-20229	54	13	such	such	ADJ
ajst-20229	54	14	as	as	ADP
ajst-20229	54	15	headache	headache	NOUN
ajst-20229	54	16	,	,	PUNCT
ajst-20229	54	17	eye	eye	NOUN
ajst-20229	54	18	irritation	irritation	NOUN
ajst-20229	54	19	,	,	PUNCT
ajst-20229	54	20	etc	etc	X
ajst-20229	54	21	.	.	X
ajst-20229	54	22	long	long	ADJ
ajst-20229	54	23	-	-	PUNCT
ajst-20229	54	24	term	term	NOUN
ajst-20229	54	25	exposure	exposure	NOUN
ajst-20229	54	26	to	to	ADP
ajst-20229	54	27	high	high	ADJ
ajst-20229	54	28	concentrations	concentration	NOUN
ajst-20229	54	29	of	of	ADP
ajst-20229	54	30	tht	tht	PRON
ajst-20229	54	31	may	may	AUX
ajst-20229	54	32	have	have	VERB
ajst-20229	54	33	adverse	adverse	ADJ
ajst-20229	54	34	effects	effect	NOUN
ajst-20229	54	35	on	on	ADP
ajst-20229	54	36	health	health	NOUN
ajst-20229	54	37	.	.	PUNCT
ajst-20229	55	1	for	for	ADP
ajst-20229	55	2	the	the	DET
ajst-20229	55	3	environment	environment	NOUN
ajst-20229	55	4	,	,	PUNCT
ajst-20229	55	5	tht	tht	PROPN
ajst-20229	55	6	has	have	VERB
ajst-20229	55	7	poor	poor	ADJ
ajst-20229	55	8	biodegradability	biodegradability	NOUN
ajst-20229	55	9	and	and	CCONJ
ajst-20229	55	10	may	may	AUX
ajst-20229	55	11	stay	stay	VERB
ajst-20229	55	12	in	in	ADP
ajst-20229	55	13	the	the	DET
ajst-20229	55	14	environment	environment	NOUN
ajst-20229	55	15	for	for	ADP
ajst-20229	55	16	a	a	DET
ajst-20229	55	17	long	long	ADJ
ajst-20229	55	18	time	time	NOUN
ajst-20229	55	19	,	,	PUNCT
ajst-20229	55	20	and	and	CCONJ
ajst-20229	55	21	will	will	AUX
ajst-20229	55	22	produce	produce	VERB
ajst-20229	55	23	sulfide	sulfide	NOUN
ajst-20229	55	24	during	during	ADP
ajst-20229	55	25	use	use	NOUN
ajst-20229	55	26	,	,	PUNCT
ajst-20229	55	27	thus	thus	ADV
ajst-20229	55	28	affecting	affect	VERB
ajst-20229	55	29	the	the	DET
ajst-20229	55	30	ecosystem	ecosystem	NOUN
ajst-20229	55	31	.	.	PUNCT
ajst-20229	56	1	sulfur	sulfur	NOUN
ajst-20229	56	2	-	-	PUNCT
ajst-20229	56	3	free	free	ADJ
ajst-20229	56	4	odorants	odorant	NOUN
ajst-20229	56	5	usually	usually	ADV
ajst-20229	56	6	use	use	VERB
ajst-20229	56	7	organic	organic	ADJ
ajst-20229	56	8	compounds	compound	NOUN
ajst-20229	56	9	as	as	ADP
ajst-20229	56	10	raw	raw	ADJ
ajst-20229	56	11	materials	material	NOUN
ajst-20229	56	12	.	.	PUNCT
ajst-20229	57	1	compared	compare	VERB
ajst-20229	57	2	with	with	ADP
ajst-20229	57	3	traditional	traditional	ADJ
ajst-20229	57	4	sulfide	sulfide	NOUN
ajst-20229	57	5	odorants	odorant	NOUN
ajst-20229	57	6	,	,	PUNCT
ajst-20229	57	7	sulfur	sulfur	NOUN
ajst-20229	57	8	-	-	PUNCT
ajst-20229	57	9	free	free	ADJ
ajst-20229	57	10	odorants	odorant	NOUN
ajst-20229	57	11	do	do	AUX
ajst-20229	57	12	not	not	PART
ajst-20229	57	13	contain	contain	VERB
ajst-20229	57	14	sulfur	sulfur	NOUN
ajst-20229	57	15	elements	element	NOUN
ajst-20229	57	16	,	,	PUNCT
ajst-20229	57	17	and	and	CCONJ
ajst-20229	57	18	their	their	PRON
ajst-20229	57	19	toxicity	toxicity	NOUN
ajst-20229	57	20	is	be	AUX
ajst-20229	57	21	usually	usually	ADV
ajst-20229	57	22	lower	low	ADJ
ajst-20229	57	23	than	than	ADP
ajst-20229	57	24	that	that	PRON
ajst-20229	57	25	of	of	ADP
ajst-20229	57	26	traditional	traditional	ADJ
ajst-20229	57	27	sulfide	sulfide	NOUN
ajst-20229	57	28	odorants	odorant	NOUN
ajst-20229	57	29	.	.	PUNCT
ajst-20229	58	1	in	in	ADP
ajst-20229	58	2	the	the	DET
ajst-20229	58	3	process	process	NOUN
ajst-20229	58	4	of	of	ADP
ajst-20229	58	5	production	production	NOUN
ajst-20229	58	6	and	and	CCONJ
ajst-20229	58	7	use	use	NOUN
ajst-20229	58	8	,	,	PUNCT
ajst-20229	58	9	the	the	DET
ajst-20229	58	10	safety	safety	NOUN
ajst-20229	58	11	risk	risk	NOUN
ajst-20229	58	12	is	be	AUX
ajst-20229	58	13	also	also	ADV
ajst-20229	58	14	reduced	reduce	VERB
ajst-20229	58	15	,	,	PUNCT
ajst-20229	58	16	and	and	CCONJ
ajst-20229	58	17	the	the	DET
ajst-20229	58	18	sulfur	sulfur	NOUN
ajst-20229	58	19	-	-	PUNCT
ajst-20229	58	20	free	free	ADJ
ajst-20229	58	21	odorants	odorant	NOUN
ajst-20229	58	22	are	be	AUX
ajst-20229	58	23	more	more	ADV
ajst-20229	58	24	easily	easily	ADV
ajst-20229	58	25	degraded	degrade	VERB
ajst-20229	58	26	in	in	ADP
ajst-20229	58	27	the	the	DET
ajst-20229	58	28	environment	environment	NOUN
ajst-20229	58	29	,	,	PUNCT
ajst-20229	58	30	and	and	CCONJ
ajst-20229	58	31	will	will	AUX
ajst-20229	58	32	not	not	PART
ajst-20229	58	33	produce	produce	VERB
ajst-20229	58	34	sulfide	sulfide	NOUN
ajst-20229	58	35	emissions	emission	NOUN
ajst-20229	58	36	during	during	ADP
ajst-20229	58	37	use	use	NOUN
ajst-20229	58	38	,	,	PUNCT
ajst-20229	58	39	reducing	reduce	VERB
ajst-20229	58	40	the	the	DET
ajst-20229	58	41	risk	risk	NOUN
ajst-20229	58	42	of	of	ADP
ajst-20229	58	43	pollution	pollution	NOUN
ajst-20229	58	44	to	to	ADP
ajst-20229	58	45	the	the	DET
ajst-20229	58	46	atmosphere	atmosphere	NOUN
ajst-20229	58	47	and	and	CCONJ
ajst-20229	58	48	water	water	NOUN
ajst-20229	58	49	sources	source	NOUN
ajst-20229	58	50	,	,	PUNCT
ajst-20229	58	51	which	which	PRON
ajst-20229	58	52	is	be	AUX
ajst-20229	58	53	conducive	conducive	ADJ
ajst-20229	58	54	to	to	ADP
ajst-20229	58	55	sustainable	sustainable	ADJ
ajst-20229	58	56	development	development	NOUN
ajst-20229	58	57	.	.	PUNCT
ajst-20229	59	1	(	(	PUNCT
ajst-20229	59	2	4	4	X
ajst-20229	59	3	)	)	PUNCT
ajst-20229	59	4	compatibility	compatibility	NOUN
ajst-20229	59	5	and	and	CCONJ
ajst-20229	59	6	diffusion	diffusion	NOUN
ajst-20229	59	7	ability	ability	NOUN
ajst-20229	59	8	the	the	DET
ajst-20229	59	9	sulfur	sulfur	NOUN
ajst-20229	59	10	-	-	PUNCT
ajst-20229	59	11	free	free	ADJ
ajst-20229	59	12	odorant	odorant	NOUN
ajst-20229	59	13	should	should	AUX
ajst-20229	59	14	have	have	VERB
ajst-20229	59	15	good	good	ADJ
ajst-20229	59	16	compatibility	compatibility	NOUN
ajst-20229	59	17	with	with	ADP
ajst-20229	59	18	natural	natural	ADJ
ajst-20229	59	19	gas	gas	NOUN
ajst-20229	59	20	and	and	CCONJ
ajst-20229	59	21	will	will	AUX
ajst-20229	59	22	not	not	PART
ajst-20229	59	23	react	react	VERB
ajst-20229	59	24	with	with	ADP
ajst-20229	59	25	other	other	ADJ
ajst-20229	59	26	components	component	NOUN
ajst-20229	59	27	in	in	ADP
ajst-20229	59	28	natural	natural	ADJ
ajst-20229	59	29	gas	gas	NOUN
ajst-20229	59	30	to	to	PART
ajst-20229	59	31	produce	produce	VERB
ajst-20229	59	32	adverse	adverse	ADJ
ajst-20229	59	33	chemical	chemical	NOUN
ajst-20229	59	34	complexes	complex	NOUN
ajst-20229	59	35	.	.	PUNCT
ajst-20229	60	1	at	at	ADP
ajst-20229	60	2	the	the	DET
ajst-20229	60	3	same	same	ADJ
ajst-20229	60	4	time	time	NOUN
ajst-20229	60	5	,	,	PUNCT
ajst-20229	60	6	compared	compare	VERB
ajst-20229	60	7	with	with	ADP
ajst-20229	60	8	tht	tht	PRON
ajst-20229	60	9	,	,	PUNCT
ajst-20229	60	10	the	the	DET
ajst-20229	60	11	sulfur	sulfur	NOUN
ajst-20229	60	12	-	-	PUNCT
ajst-20229	60	13	free	free	ADJ
ajst-20229	60	14	odorant	odorant	NOUN
ajst-20229	60	15	has	have	VERB
ajst-20229	60	16	a	a	DET
ajst-20229	60	17	stronger	strong	ADJ
ajst-20229	60	18	mixing	mixing	NOUN
ajst-20229	60	19	ability	ability	NOUN
ajst-20229	60	20	with	with	ADP
ajst-20229	60	21	natural	natural	ADJ
ajst-20229	60	22	gas	gas	NOUN
ajst-20229	60	23	,	,	PUNCT
ajst-20229	60	24	and	and	CCONJ
ajst-20229	60	25	the	the	DET
ajst-20229	60	26	diffusion	diffusion	NOUN
ajst-20229	60	27	in	in	ADP
ajst-20229	60	28	natural	natural	ADJ
ajst-20229	60	29	gas	gas	NOUN
ajst-20229	60	30	is	be	AUX
ajst-20229	60	31	faster	fast	ADJ
ajst-20229	60	32	and	and	CCONJ
ajst-20229	60	33	more	more	ADJ
ajst-20229	60	34	uniform	uniform	ADJ
ajst-20229	60	35	,	,	PUNCT
ajst-20229	60	36	effectively	effectively	ADV
ajst-20229	60	37	transmitting	transmit	VERB
ajst-20229	60	38	the	the	DET
ajst-20229	60	39	leakage	leakage	NOUN
ajst-20229	60	40	warning	warning	NOUN
ajst-20229	60	41	.	.	PUNCT
ajst-20229	61	1	(	(	PUNCT
ajst-20229	61	2	5	5	X
ajst-20229	61	3	)	)	PUNCT
ajst-20229	61	4	cost	cost	NOUN
ajst-20229	61	5	-	-	PUNCT
ajst-20229	61	6	benefit	benefit	NOUN
ajst-20229	61	7	analysis	analysis	NOUN
ajst-20229	61	8	at	at	ADP
ajst-20229	61	9	present	present	ADJ
ajst-20229	61	10	,	,	PUNCT
ajst-20229	61	11	most	most	ADJ
ajst-20229	61	12	of	of	ADP
ajst-20229	61	13	the	the	DET
ajst-20229	61	14	tht	tht	NOUN
ajst-20229	61	15	added	add	VERB
ajst-20229	61	16	by	by	ADP
ajst-20229	61	17	domestic	domestic	ADJ
ajst-20229	61	18	gas	gas	NOUN
ajst-20229	61	19	companies	company	NOUN
ajst-20229	61	20	rely	rely	VERB
ajst-20229	61	21	on	on	ADP
ajst-20229	61	22	imports	import	NOUN
ajst-20229	61	23	.	.	PUNCT
ajst-20229	62	1	since	since	SCONJ
ajst-20229	62	2	2020	2020	NUM
ajst-20229	62	3	,	,	PUNCT
ajst-20229	62	4	due	due	ADP
ajst-20229	62	5	to	to	ADP
ajst-20229	62	6	the	the	DET
ajst-20229	62	7	impact	impact	NOUN
ajst-20229	62	8	of	of	ADP
ajst-20229	62	9	the	the	DET
ajst-20229	62	10	new	new	ADJ
ajst-20229	62	11	global	global	ADJ
ajst-20229	62	12	coronavirus	coronavirus	NOUN
ajst-20229	62	13	epidemic	epidemic	NOUN
ajst-20229	62	14	,	,	PUNCT
ajst-20229	62	15	the	the	DET
ajst-20229	62	16	domestic	domestic	ADJ
ajst-20229	62	17	tht	tht	PROPN
ajst-20229	62	18	price	price	NOUN
ajst-20229	62	19	has	have	AUX
ajst-20229	62	20	risen	rise	VERB
ajst-20229	62	21	to	to	ADP
ajst-20229	62	22	more	more	ADJ
ajst-20229	62	23	than	than	ADP
ajst-20229	62	24	4	4	NUM
ajst-20229	62	25	times	time	NOUN
ajst-20229	62	26	the	the	DET
ajst-20229	62	27	conventional	conventional	ADJ
ajst-20229	62	28	price	price	NOUN
ajst-20229	62	29	before	before	ADP
ajst-20229	62	30	the	the	DET
ajst-20229	62	31	epidemic	epidemic	NOUN
ajst-20229	62	32	,	,	PUNCT
ajst-20229	62	33	and	and	CCONJ
ajst-20229	62	34	the	the	DET
ajst-20229	62	35	supply	supply	NOUN
ajst-20229	62	36	is	be	AUX
ajst-20229	62	37	tight	tight	ADJ
ajst-20229	62	38	,	,	PUNCT
ajst-20229	62	39	which	which	PRON
ajst-20229	62	40	brings	bring	VERB
ajst-20229	62	41	certain	certain	ADJ
ajst-20229	62	42	safety	safety	NOUN
ajst-20229	62	43	risks	risk	NOUN
ajst-20229	62	44	to	to	ADP
ajst-20229	62	45	the	the	DET
ajst-20229	62	46	operation	operation	NOUN
ajst-20229	62	47	and	and	CCONJ
ajst-20229	62	48	management	management	NOUN
ajst-20229	62	49	of	of	ADP
ajst-20229	62	50	gas	gas	NOUN
ajst-20229	62	51	companies	company	NOUN
ajst-20229	62	52	.	.	PUNCT
ajst-20229	63	1	in	in	ADP
ajst-20229	63	2	addition	addition	NOUN
ajst-20229	63	3	,	,	PUNCT
ajst-20229	63	4	the	the	DET
ajst-20229	63	5	adsorption	adsorption	NOUN
ajst-20229	63	6	loss	loss	NOUN
ajst-20229	63	7	rate	rate	NOUN
ajst-20229	63	8	of	of	ADP
ajst-20229	63	9	tht	tht	PRON
ajst-20229	63	10	in	in	ADP
ajst-20229	63	11	old	old	ADJ
ajst-20229	63	12	steel	steel	NOUN
ajst-20229	63	13	pipes	pipe	NOUN
ajst-20229	63	14	is	be	AUX
ajst-20229	63	15	high	high	ADJ
ajst-20229	63	16	.	.	PUNCT
ajst-20229	64	1	in	in	ADP
ajst-20229	64	2	the	the	DET
ajst-20229	64	3	case	case	NOUN
ajst-20229	64	4	of	of	ADP
ajst-20229	64	5	a	a	DET
ajst-20229	64	6	substantial	substantial	ADJ
ajst-20229	64	7	increase	increase	NOUN
ajst-20229	64	8	in	in	ADP
ajst-20229	64	9	prices	price	NOUN
ajst-20229	64	10	,	,	PUNCT
ajst-20229	64	11	it	it	PRON
ajst-20229	64	12	affects	affect	VERB
ajst-20229	64	13	the	the	DET
ajst-20229	64	14	gas	gas	NOUN
ajst-20229	64	15	company	company	NOUN
ajst-20229	64	16	to	to	PART
ajst-20229	64	17	complete	complete	VERB
ajst-20229	64	18	the	the	DET
ajst-20229	64	19	production	production	NOUN
ajst-20229	64	20	and	and	CCONJ
ajst-20229	64	21	operation	operation	NOUN
ajst-20229	64	22	goals	goal	NOUN
ajst-20229	64	23	of	of	ADP
ajst-20229	64	24	reducing	reduce	VERB
ajst-20229	64	25	costs	cost	NOUN
ajst-20229	64	26	and	and	CCONJ
ajst-20229	64	27	increasing	increase	VERB
ajst-20229	64	28	efficiency	efficiency	NOUN
ajst-20229	64	29	.	.	PUNCT
ajst-20229	65	1	in	in	ADP
ajst-20229	65	2	contrast	contrast	NOUN
ajst-20229	65	3	,	,	PUNCT
ajst-20229	65	4	the	the	DET
ajst-20229	65	5	production	production	NOUN
ajst-20229	65	6	cost	cost	NOUN
ajst-20229	65	7	of	of	ADP
ajst-20229	65	8	sulfur	sulfur	NOUN
ajst-20229	65	9	-	-	PUNCT
ajst-20229	65	10	free	free	ADJ
ajst-20229	65	11	odorant	odorant	NOUN
ajst-20229	65	12	is	be	AUX
ajst-20229	65	13	lower	low	ADJ
ajst-20229	65	14	,	,	PUNCT
ajst-20229	65	15	and	and	CCONJ
ajst-20229	65	16	the	the	DET
ajst-20229	65	17	adsorption	adsorption	NOUN
ajst-20229	65	18	loss	loss	NOUN
ajst-20229	65	19	rate	rate	NOUN
ajst-20229	65	20	in	in	ADP
ajst-20229	65	21	natural	natural	ADJ
ajst-20229	65	22	gas	gas	NOUN
ajst-20229	65	23	pipeline	pipeline	NOUN
ajst-20229	65	24	is	be	AUX
ajst-20229	65	25	lower	low	ADJ
ajst-20229	65	26	,	,	PUNCT
ajst-20229	65	27	which	which	PRON
ajst-20229	65	28	has	have	VERB
ajst-20229	65	29	better	well	ADJ
ajst-20229	65	30	economy	economy	NOUN
ajst-20229	65	31	.	.	PUNCT
ajst-20229	66	1	(	(	PUNCT
ajst-20229	66	2	6	6	NUM
ajst-20229	66	3	)	)	PUNCT
ajst-20229	66	4	user	user	NOUN
ajst-20229	66	5	perception	perception	NOUN
ajst-20229	66	6	and	and	CCONJ
ajst-20229	66	7	acceptance	acceptance	NOUN
ajst-20229	66	8	if	if	SCONJ
ajst-20229	66	9	you	you	PRON
ajst-20229	66	10	want	want	VERB
ajst-20229	66	11	to	to	PART
ajst-20229	66	12	use	use	VERB
ajst-20229	66	13	a	a	DET
ajst-20229	66	14	new	new	ADJ
ajst-20229	66	15	sulfur	sulfur	NOUN
ajst-20229	66	16	-	-	PUNCT
ajst-20229	66	17	free	free	ADJ
ajst-20229	66	18	odorant	odorant	NOUN
ajst-20229	66	19	to	to	PART
ajst-20229	66	20	replace	replace	VERB
ajst-20229	66	21	the	the	DET
ajst-20229	66	22	traditional	traditional	ADJ
ajst-20229	66	23	tht	tht	NOUN
ajst-20229	66	24	,	,	PUNCT
ajst-20229	66	25	you	you	PRON
ajst-20229	66	26	need	need	VERB
ajst-20229	66	27	to	to	PART
ajst-20229	66	28	consider	consider	VERB
ajst-20229	66	29	the	the	DET
ajst-20229	66	30	end	end	NOUN
ajst-20229	66	31	-	-	PUNCT
ajst-20229	66	32	user	user	NOUN
ajst-20229	66	33	's	's	PART
ajst-20229	66	34	perception	perception	NOUN
ajst-20229	66	35	and	and	CCONJ
ajst-20229	66	36	acceptance	acceptance	NOUN
ajst-20229	66	37	of	of	ADP
ajst-20229	66	38	the	the	DET
ajst-20229	66	39	odor	odor	NOUN
ajst-20229	66	40	of	of	ADP
ajst-20229	66	41	the	the	DET
ajst-20229	66	42	new	new	ADJ
ajst-20229	66	43	odorant	odorant	NOUN
ajst-20229	66	44	,	,	PUNCT
ajst-20229	66	45	because	because	SCONJ
ajst-20229	66	46	the	the	DET
ajst-20229	66	47	user	user	NOUN
ajst-20229	66	48	's	's	PART
ajst-20229	66	49	detection	detection	NOUN
ajst-20229	66	50	and	and	CCONJ
ajst-20229	66	51	response	response	NOUN
ajst-20229	66	52	to	to	ADP
ajst-20229	66	53	the	the	DET
ajst-20229	66	54	leakage	leakage	NOUN
ajst-20229	66	55	odor	odor	NOUN
ajst-20229	66	56	is	be	AUX
ajst-20229	66	57	an	an	DET
ajst-20229	66	58	important	important	ADJ
ajst-20229	66	59	part	part	NOUN
ajst-20229	66	60	of	of	ADP
ajst-20229	66	61	the	the	DET
ajst-20229	66	62	safe	safe	ADJ
ajst-20229	66	63	use	use	NOUN
ajst-20229	66	64	of	of	ADP
ajst-20229	66	65	natural	natural	ADJ
ajst-20229	66	66	gas	gas	NOUN
ajst-20229	66	67	.	.	PUNCT
ajst-20229	67	1	it	it	PRON
ajst-20229	67	2	takes	take	VERB
ajst-20229	67	3	a	a	DET
ajst-20229	67	4	relatively	relatively	ADV
ajst-20229	67	5	long	long	ADJ
ajst-20229	67	6	adaptation	adaptation	NOUN
ajst-20229	67	7	time	time	NOUN
ajst-20229	67	8	from	from	ADP
ajst-20229	67	9	the	the	DET
ajst-20229	67	10	user	user	NOUN
ajst-20229	67	11	to	to	PART
ajst-20229	67	12	realize	realize	VERB
ajst-20229	67	13	that	that	SCONJ
ajst-20229	67	14	it	it	PRON
ajst-20229	67	15	is	be	AUX
ajst-20229	67	16	an	an	DET
ajst-20229	67	17	odor	odor	NOUN
ajst-20229	67	18	of	of	ADP
ajst-20229	67	19	gas	gas	NOUN
ajst-20229	67	20	leakage	leakage	NOUN
ajst-20229	67	21	.	.	PUNCT
ajst-20229	68	1	therefore	therefore	ADV
ajst-20229	68	2	,	,	PUNCT
ajst-20229	68	3	the	the	DET
ajst-20229	68	4	difference	difference	NOUN
ajst-20229	68	5	between	between	ADP
ajst-20229	68	6	the	the	DET
ajst-20229	68	7	odors	odor	NOUN
ajst-20229	68	8	of	of	ADP
ajst-20229	68	9	the	the	DET
ajst-20229	68	10	two	two	NUM
ajst-20229	68	11	odorants	odorant	NOUN
ajst-20229	68	12	is	be	AUX
ajst-20229	68	13	one	one	NUM
ajst-20229	68	14	of	of	ADP
ajst-20229	68	15	the	the	DET
ajst-20229	68	16	difficulties	difficulty	NOUN
ajst-20229	68	17	and	and	CCONJ
ajst-20229	68	18	risk	risk	NOUN
ajst-20229	68	19	factors	factor	NOUN
ajst-20229	68	20	of	of	ADP
ajst-20229	68	21	substitution	substitution	NOUN
ajst-20229	68	22	.	.	PUNCT
ajst-20229	69	1	4	4	X
ajst-20229	69	2	.	.	X
ajst-20229	69	3	application	application	NOUN
ajst-20229	69	4	examples	example	NOUN
ajst-20229	69	5	at	at	ADP
ajst-20229	69	6	home	home	NOUN
ajst-20229	69	7	and	and	CCONJ
ajst-20229	69	8	abroad	abroad	ADV
ajst-20229	69	9	as	as	ADP
ajst-20229	69	10	a	a	DET
ajst-20229	69	11	large	large	ADJ
ajst-20229	69	12	industrial	industrial	ADJ
ajst-20229	69	13	country	country	NOUN
ajst-20229	69	14	,	,	PUNCT
ajst-20229	69	15	germany	germany	PROPN
ajst-20229	69	16	pays	pay	VERB
ajst-20229	69	17	great	great	ADJ
ajst-20229	69	18	attention	attention	NOUN
ajst-20229	69	19	237	237	NUM
ajst-20229	69	20	to	to	ADP
ajst-20229	69	21	the	the	DET
ajst-20229	69	22	protection	protection	NOUN
ajst-20229	69	23	of	of	ADP
ajst-20229	69	24	the	the	DET
ajst-20229	69	25	natural	natural	ADJ
ajst-20229	69	26	environment	environment	NOUN
ajst-20229	69	27	while	while	SCONJ
ajst-20229	69	28	the	the	DET
ajst-20229	69	29	rapid	rapid	ADJ
ajst-20229	69	30	development	development	NOUN
ajst-20229	69	31	of	of	ADP
ajst-20229	69	32	science	science	NOUN
ajst-20229	69	33	and	and	CCONJ
ajst-20229	69	34	technology	technology	NOUN
ajst-20229	69	35	.	.	PUNCT
ajst-20229	70	1	since	since	SCONJ
ajst-20229	70	2	1993	1993	NUM
ajst-20229	70	3	,	,	PUNCT
ajst-20229	70	4	germany	germany	PROPN
ajst-20229	70	5	has	have	AUX
ajst-20229	70	6	begun	begin	VERB
ajst-20229	70	7	to	to	PART
ajst-20229	70	8	develop	develop	VERB
ajst-20229	70	9	sulfur	sulfur	NOUN
ajst-20229	70	10	-	-	PUNCT
ajst-20229	70	11	free	free	ADJ
ajst-20229	70	12	odorants	odorant	NOUN
ajst-20229	70	13	to	to	PART
ajst-20229	70	14	provide	provide	VERB
ajst-20229	70	15	sulfur	sulfur	NOUN
ajst-20229	70	16	-	-	PUNCT
ajst-20229	70	17	free	free	ADJ
ajst-20229	70	18	natural	natural	ADJ
ajst-20229	70	19	gas	gas	NOUN
ajst-20229	70	20	and	and	CCONJ
ajst-20229	70	21	reduce	reduce	VERB
ajst-20229	70	22	operating	operating	NOUN
ajst-20229	70	23	costs	cost	NOUN
ajst-20229	70	24	.	.	PUNCT
ajst-20229	71	1	the	the	DET
ajst-20229	71	2	world	world	NOUN
ajst-20229	71	3	's	's	PART
ajst-20229	71	4	first	first	ADJ
ajst-20229	71	5	sulfur	sulfur	NOUN
ajst-20229	71	6	-	-	PUNCT
ajst-20229	71	7	free	free	ADJ
ajst-20229	71	8	odorant	odorant	NOUN
ajst-20229	71	9	is	be	AUX
ajst-20229	71	10	gasodor	gasodor	NOUN
ajst-20229	71	11	s	s	NOUN
ajst-20229	71	12	-	-	PUNCT
ajst-20229	71	13	free	free	ADJ
ajst-20229	71	14	produced	produce	VERB
ajst-20229	71	15	by	by	ADP
ajst-20229	71	16	german	german	ADJ
ajst-20229	71	17	symrise	symrise	PROPN
ajst-20229	71	18	gmbh	gmbh	PROPN
ajst-20229	71	19	&	&	CCONJ
ajst-20229	71	20	co.	co.	PROPN
ajst-20229	71	21	kg	kg	PROPN
ajst-20229	71	22	company	company	NOUN
ajst-20229	71	23	.	.	PUNCT
ajst-20229	72	1	[	[	PUNCT
ajst-20229	72	2	7	7	NUM
ajst-20229	72	3	]	]	PUNCT
ajst-20229	72	4	in	in	ADP
ajst-20229	72	5	1998	1998	NUM
ajst-20229	72	6	,	,	PUNCT
ajst-20229	72	7	it	it	PRON
ajst-20229	72	8	was	be	AUX
ajst-20229	72	9	officially	officially	ADV
ajst-20229	72	10	approved	approve	VERB
ajst-20229	72	11	by	by	ADP
ajst-20229	72	12	the	the	DET
ajst-20229	72	13	german	german	ADJ
ajst-20229	72	14	gas	gas	NOUN
ajst-20229	72	15	and	and	CCONJ
ajst-20229	72	16	water	water	NOUN
ajst-20229	72	17	science	science	NOUN
ajst-20229	72	18	and	and	CCONJ
ajst-20229	72	19	technology	technology	PROPN
ajst-20229	72	20	federation	federation	PROPN
ajst-20229	72	21	(	(	PUNCT
ajst-20229	72	22	dvgw	dvgw	PROPN
ajst-20229	72	23	)	)	PUNCT
ajst-20229	72	24	.	.	PUNCT
ajst-20229	73	1	extensive	extensive	ADJ
ajst-20229	73	2	field	field	NOUN
ajst-20229	73	3	tests	test	NOUN
ajst-20229	73	4	were	be	AUX
ajst-20229	73	5	conducted	conduct	VERB
ajst-20229	73	6	on	on	ADP
ajst-20229	73	7	the	the	DET
ajst-20229	73	8	safety	safety	NOUN
ajst-20229	73	9	,	,	PUNCT
ajst-20229	73	10	reliability	reliability	NOUN
ajst-20229	73	11	,	,	PUNCT
ajst-20229	73	12	and	and	CCONJ
ajst-20229	73	13	tolerance	tolerance	NOUN
ajst-20229	73	14	of	of	ADP
ajst-20229	73	15	this	this	DET
ajst-20229	73	16	new	new	ADJ
ajst-20229	73	17	odorant	odorant	NOUN
ajst-20229	73	18	.	.	PUNCT
ajst-20229	74	1	since	since	SCONJ
ajst-20229	74	2	the	the	DET
ajst-20229	74	3	sulfur	sulfur	NOUN
ajst-20229	74	4	-	-	PUNCT
ajst-20229	74	5	free	free	ADJ
ajst-20229	74	6	odorant	odorant	NOUN
ajst-20229	74	7	was	be	AUX
ajst-20229	74	8	put	put	VERB
ajst-20229	74	9	into	into	ADP
ajst-20229	74	10	the	the	DET
ajst-20229	74	11	market	market	NOUN
ajst-20229	74	12	in	in	ADP
ajst-20229	74	13	2004	2004	NUM
ajst-20229	74	14	,	,	PUNCT
ajst-20229	74	15	germany	germany	PROPN
ajst-20229	74	16	's	's	PART
ajst-20229	74	17	saar	saar	PROPN
ajst-20229	74	18	longdistance	longdistance	NOUN
ajst-20229	74	19	gas	gas	NOUN
ajst-20229	74	20	and	and	CCONJ
ajst-20229	74	21	swt	swt	PROPN
ajst-20229	74	22	company	company	PROPN
ajst-20229	74	23	,	,	PUNCT
ajst-20229	74	24	dortmund	dortmund	PROPN
ajst-20229	74	25	city	city	PROPN
ajst-20229	74	26	,	,	PUNCT
ajst-20229	74	27	shihe	shihe	ADJ
ajst-20229	74	28	prefecture	prefecture	NOUN
ajst-20229	74	29	and	and	CCONJ
ajst-20229	74	30	hamburg	hamburg	PROPN
ajst-20229	74	31	city	city	NOUN
ajst-20229	74	32	completed	complete	VERB
ajst-20229	74	33	the	the	DET
ajst-20229	74	34	conversion	conversion	NOUN
ajst-20229	74	35	of	of	ADP
ajst-20229	74	36	sulfur	sulfur	NOUN
ajst-20229	74	37	-	-	PUNCT
ajst-20229	74	38	free	free	ADJ
ajst-20229	74	39	odorants	odorant	NOUN
ajst-20229	74	40	in	in	ADP
ajst-20229	74	41	2004,2006,2007	2004,2006,2007	ADJ
ajst-20229	74	42	and	and	CCONJ
ajst-20229	74	43	2008.the	2008.the	DET
ajst-20229	74	44	proportion	proportion	NOUN
ajst-20229	74	45	of	of	ADP
ajst-20229	74	46	sulfur	sulfur	NOUN
ajst-20229	74	47	-	-	PUNCT
ajst-20229	74	48	free	free	ADJ
ajst-20229	74	49	odorants	odorant	NOUN
ajst-20229	74	50	used	use	VERB
ajst-20229	74	51	in	in	ADP
ajst-20229	74	52	germany	germany	PROPN
ajst-20229	74	53	reached	reach	VERB
ajst-20229	74	54	30	30	NUM
ajst-20229	74	55	%	%	NOUN
ajst-20229	74	56	,	,	PUNCT
ajst-20229	74	57	and	and	CCONJ
ajst-20229	74	58	has	have	AUX
ajst-20229	74	59	expanded	expand	VERB
ajst-20229	74	60	to	to	ADP
ajst-20229	74	61	austria	austria	PROPN
ajst-20229	74	62	,	,	PUNCT
ajst-20229	74	63	switzerland	switzerland	PROPN
ajst-20229	74	64	,	,	PUNCT
ajst-20229	74	65	russia	russia	PROPN
ajst-20229	74	66	,	,	PUNCT
ajst-20229	74	67	the	the	DET
ajst-20229	74	68	czech	czech	PROPN
ajst-20229	74	69	republic	republic	NOUN
ajst-20229	74	70	,	,	PUNCT
ajst-20229	74	71	the	the	DET
ajst-20229	74	72	netherlands	netherlands	PROPN
ajst-20229	74	73	and	and	CCONJ
ajst-20229	74	74	romania	romania	PROPN
ajst-20229	74	75	and	and	CCONJ
ajst-20229	74	76	other	other	ADJ
ajst-20229	74	77	countries	country	NOUN
ajst-20229	74	78	.	.	PUNCT
ajst-20229	75	1	at	at	ADP
ajst-20229	75	2	present	present	ADJ
ajst-20229	75	3	,	,	PUNCT
ajst-20229	75	4	the	the	DET
ajst-20229	75	5	vast	vast	ADJ
ajst-20229	75	6	majority	majority	NOUN
ajst-20229	75	7	of	of	ADP
ajst-20229	75	8	natural	natural	ADJ
ajst-20229	75	9	gas	gas	NOUN
ajst-20229	75	10	odorization	odorization	NOUN
ajst-20229	75	11	in	in	ADP
ajst-20229	75	12	china	china	PROPN
ajst-20229	75	13	is	be	AUX
ajst-20229	75	14	still	still	ADV
ajst-20229	75	15	using	use	VERB
ajst-20229	75	16	sulfur	sulfur	NOUN
ajst-20229	75	17	-	-	PUNCT
ajst-20229	75	18	containing	contain	VERB
ajst-20229	75	19	tht	tht	NOUN
ajst-20229	75	20	,	,	PUNCT
ajst-20229	75	21	but	but	CCONJ
ajst-20229	75	22	many	many	ADJ
ajst-20229	75	23	gas	gas	NOUN
ajst-20229	75	24	companies	company	NOUN
ajst-20229	75	25	have	have	AUX
ajst-20229	75	26	tried	try	VERB
ajst-20229	75	27	to	to	PART
ajst-20229	75	28	add	add	VERB
ajst-20229	75	29	sulfur	sulfur	NOUN
ajst-20229	75	30	-	-	PUNCT
ajst-20229	75	31	free	free	ADJ
ajst-20229	75	32	odorizer	odorizer	NOUN
ajst-20229	75	33	to	to	ADP
ajst-20229	75	34	the	the	DET
ajst-20229	75	35	urban	urban	ADJ
ajst-20229	75	36	gas	gas	NOUN
ajst-20229	75	37	pipeline	pipeline	NOUN
ajst-20229	75	38	network	network	NOUN
ajst-20229	75	39	.	.	PUNCT
ajst-20229	76	1	through	through	ADP
ajst-20229	76	2	the	the	DET
ajst-20229	76	3	comparative	comparative	ADJ
ajst-20229	76	4	analysis	analysis	NOUN
ajst-20229	76	5	of	of	ADP
ajst-20229	76	6	the	the	DET
ajst-20229	76	7	test	test	NOUN
ajst-20229	76	8	results	result	NOUN
ajst-20229	76	9	of	of	ADP
ajst-20229	76	10	tetrahydrothiophene	tetrahydrothiophene	NOUN
ajst-20229	76	11	and	and	CCONJ
ajst-20229	76	12	sulfurfree	sulfurfree	PROPN
ajst-20229	76	13	odorizer	odorizer	NOUN
ajst-20229	76	14	,	,	PUNCT
ajst-20229	76	15	the	the	DET
ajst-20229	76	16	adaptability	adaptability	NOUN
ajst-20229	76	17	of	of	ADP
ajst-20229	76	18	replacing	replace	VERB
ajst-20229	76	19	tetrahydrothiophene	tetrahydrothiophene	NOUN
ajst-20229	76	20	in	in	ADP
ajst-20229	76	21	urban	urban	ADJ
ajst-20229	76	22	gas	gas	NOUN
ajst-20229	76	23	business	business	NOUN
ajst-20229	76	24	is	be	AUX
ajst-20229	76	25	evaluated	evaluate	VERB
ajst-20229	76	26	[	[	X
ajst-20229	76	27	3	3	NUM
ajst-20229	76	28	]	]	PUNCT
ajst-20229	76	29	.	.	PUNCT
ajst-20229	77	1	in	in	ADP
ajst-20229	77	2	2008	2008	NUM
ajst-20229	77	3	,	,	PUNCT
ajst-20229	77	4	beijing	beijing	PROPN
ajst-20229	77	5	petrochina	petrochina	PROPN
ajst-20229	77	6	kunlun	kunlun	PROPN
ajst-20229	77	7	gas	gas	PROPN
ajst-20229	77	8	co.	co.	PROPN
ajst-20229	77	9	,	,	PUNCT
ajst-20229	77	10	ltd.carried	ltd.carrie	VERB
ajst-20229	77	11	out	out	ADP
ajst-20229	77	12	a	a	DET
ajst-20229	77	13	test	test	NOUN
ajst-20229	77	14	of	of	ADP
ajst-20229	77	15	natural	natural	ADJ
ajst-20229	77	16	gas	gas	NOUN
ajst-20229	77	17	sulfur	sulfur	NOUN
ajst-20229	77	18	-	-	PUNCT
ajst-20229	77	19	free	free	ADJ
ajst-20229	77	20	odorant	odorant	NOUN
ajst-20229	77	21	gasodor	gasodor	NOUN
ajst-20229	77	22	s	s	NOUN
ajst-20229	77	23	-	-	PUNCT
ajst-20229	77	24	free	free	ADJ
ajst-20229	77	25	on	on	ADP
ajst-20229	77	26	an	an	DET
ajst-20229	77	27	independent	independent	ADJ
ajst-20229	77	28	branch	branch	NOUN
ajst-20229	77	29	pipe	pipe	NOUN
ajst-20229	77	30	network	network	NOUN
ajst-20229	77	31	within	within	ADP
ajst-20229	77	32	its	its	PRON
ajst-20229	77	33	gas	gas	NOUN
ajst-20229	77	34	supply	supply	NOUN
ajst-20229	77	35	range	range	NOUN
ajst-20229	77	36	.	.	PUNCT
ajst-20229	78	1	the	the	DET
ajst-20229	78	2	length	length	NOUN
ajst-20229	78	3	of	of	ADP
ajst-20229	78	4	the	the	DET
ajst-20229	78	5	test	test	NOUN
ajst-20229	78	6	pipe	pipe	NOUN
ajst-20229	78	7	section	section	NOUN
ajst-20229	78	8	was	be	AUX
ajst-20229	78	9	about	about	ADV
ajst-20229	78	10	13	13	NUM
ajst-20229	78	11	km	km	NOUN
ajst-20229	78	12	,	,	PUNCT
ajst-20229	78	13	the	the	DET
ajst-20229	78	14	design	design	NOUN
ajst-20229	78	15	pressure	pressure	NOUN
ajst-20229	78	16	was	be	AUX
ajst-20229	78	17	1.6	1.6	NUM
ajst-20229	78	18	mpa	mpa	NOUN
ajst-20229	78	19	,	,	PUNCT
ajst-20229	78	20	the	the	DET
ajst-20229	78	21	pipe	pipe	NOUN
ajst-20229	78	22	diameter	diameter	NOUN
ajst-20229	78	23	was	be	AUX
ajst-20229	78	24	dn450	dn450	VERB
ajst-20229	78	25	~	~	PUNCT
ajst-20229	78	26	dn150	dn150	PROPN
ajst-20229	78	27	,	,	PUNCT
ajst-20229	78	28	and	and	CCONJ
ajst-20229	78	29	the	the	DET
ajst-20229	78	30	pipeline	pipeline	NOUN
ajst-20229	78	31	operating	operate	VERB
ajst-20229	78	32	pressure	pressure	NOUN
ajst-20229	78	33	was	be	AUX
ajst-20229	78	34	0.8	0.8	NUM
ajst-20229	78	35	mpa	mpa	NOUN
ajst-20229	78	36	~	~	PUNCT
ajst-20229	78	37	1.2	1.2	NUM
ajst-20229	78	38	mpa.after	mpa.after	NOUN
ajst-20229	78	39	the	the	DET
ajst-20229	78	40	successful	successful	ADJ
ajst-20229	78	41	completion	completion	NOUN
ajst-20229	78	42	of	of	ADP
ajst-20229	78	43	the	the	DET
ajst-20229	78	44	conversion	conversion	NOUN
ajst-20229	78	45	,	,	PUNCT
ajst-20229	78	46	the	the	DET
ajst-20229	78	47	cms	cms	PROPN
ajst-20229	78	48	portable	portable	ADJ
ajst-20229	78	49	colorimetric	colorimetric	ADJ
ajst-20229	78	50	tube	tube	NOUN
ajst-20229	78	51	detector	detector	NOUN
ajst-20229	78	52	of	of	ADP
ajst-20229	78	53	drager	drager	PROPN
ajst-20229	78	54	company	company	PROPN
ajst-20229	78	55	in	in	ADP
ajst-20229	78	56	germany	germany	PROPN
ajst-20229	78	57	was	be	AUX
ajst-20229	78	58	used	use	VERB
ajst-20229	78	59	to	to	PART
ajst-20229	78	60	detect	detect	VERB
ajst-20229	78	61	the	the	DET
ajst-20229	78	62	odorant	odorant	NOUN
ajst-20229	78	63	.	.	PUNCT
ajst-20229	79	1	no	no	DET
ajst-20229	79	2	crystallization	crystallization	NOUN
ajst-20229	79	3	or	or	CCONJ
ajst-20229	79	4	polymerization	polymerization	NOUN
ajst-20229	79	5	was	be	AUX
ajst-20229	79	6	found	find	VERB
ajst-20229	79	7	during	during	ADP
ajst-20229	79	8	the	the	DET
ajst-20229	79	9	operation	operation	NOUN
ajst-20229	79	10	of	of	ADP
ajst-20229	79	11	the	the	DET
ajst-20229	79	12	pipe	pipe	NOUN
ajst-20229	79	13	network	network	NOUN
ajst-20229	79	14	.	.	PUNCT
ajst-20229	80	1	the	the	DET
ajst-20229	80	2	final	final	ADJ
ajst-20229	80	3	test	test	NOUN
ajst-20229	80	4	results	result	NOUN
ajst-20229	80	5	show	show	VERB
ajst-20229	80	6	that	that	SCONJ
ajst-20229	80	7	the	the	DET
ajst-20229	80	8	sulfur	sulfur	NOUN
ajst-20229	80	9	-	-	PUNCT
ajst-20229	80	10	free	free	ADJ
ajst-20229	80	11	odorant	odorant	ADJ
ajst-20229	80	12	gasifies	gasifie	NOUN
ajst-20229	80	13	and	and	CCONJ
ajst-20229	80	14	diffuses	diffuse	VERB
ajst-20229	80	15	rapidly	rapidly	ADV
ajst-20229	80	16	,	,	PUNCT
ajst-20229	80	17	but	but	CCONJ
ajst-20229	80	18	the	the	DET
ajst-20229	80	19	early	early	ADJ
ajst-20229	80	20	loss	loss	NOUN
ajst-20229	80	21	is	be	AUX
ajst-20229	80	22	serious	serious	ADJ
ajst-20229	80	23	.	.	PUNCT
ajst-20229	81	1	the	the	DET
ajst-20229	81	2	maximum	maximum	ADJ
ajst-20229	81	3	loss	loss	NOUN
ajst-20229	81	4	is	be	AUX
ajst-20229	81	5	70.8	70.8	NUM
ajst-20229	81	6	%	%	NOUN
ajst-20229	81	7	in	in	ADP
ajst-20229	81	8	the	the	DET
ajst-20229	81	9	first	first	ADJ
ajst-20229	81	10	two	two	NUM
ajst-20229	81	11	weeks	week	NOUN
ajst-20229	81	12	after	after	ADP
ajst-20229	81	13	the	the	DET
ajst-20229	81	14	release	release	NOUN
ajst-20229	81	15	,	,	PUNCT
ajst-20229	81	16	but	but	CCONJ
ajst-20229	81	17	then	then	ADV
ajst-20229	81	18	the	the	DET
ajst-20229	81	19	loss	loss	NOUN
ajst-20229	81	20	is	be	AUX
ajst-20229	81	21	significantly	significantly	ADV
ajst-20229	81	22	reduced	reduce	VERB
ajst-20229	81	23	and	and	CCONJ
ajst-20229	81	24	gradually	gradually	ADV
ajst-20229	81	25	stabilized	stabilize	VERB
ajst-20229	81	26	.	.	PUNCT
ajst-20229	82	1	it	it	PRON
ajst-20229	82	2	is	be	AUX
ajst-20229	82	3	speculated	speculate	VERB
ajst-20229	82	4	that	that	SCONJ
ajst-20229	82	5	it	it	PRON
ajst-20229	82	6	may	may	AUX
ajst-20229	82	7	be	be	AUX
ajst-20229	82	8	related	relate	VERB
ajst-20229	82	9	to	to	ADP
ajst-20229	82	10	the	the	DET
ajst-20229	82	11	impurities	impurity	NOUN
ajst-20229	82	12	and	and	CCONJ
ajst-20229	82	13	liquids	liquid	NOUN
ajst-20229	82	14	in	in	ADP
ajst-20229	82	15	the	the	DET
ajst-20229	82	16	pipeline	pipeline	NOUN
ajst-20229	82	17	,	,	PUNCT
ajst-20229	82	18	and	and	CCONJ
ajst-20229	82	19	the	the	DET
ajst-20229	82	20	staff	staff	NOUN
ajst-20229	82	21	participating	participate	VERB
ajst-20229	82	22	in	in	ADP
ajst-20229	82	23	the	the	DET
ajst-20229	82	24	test	test	NOUN
ajst-20229	82	25	have	have	AUX
ajst-20229	82	26	shown	show	VERB
ajst-20229	82	27	consistent	consistent	ADJ
ajst-20229	82	28	praise	praise	NOUN
ajst-20229	82	29	for	for	ADP
ajst-20229	82	30	the	the	DET
ajst-20229	82	31	application	application	NOUN
ajst-20229	82	32	effect	effect	NOUN
ajst-20229	82	33	of	of	ADP
ajst-20229	82	34	the	the	DET
ajst-20229	82	35	sulfur	sulfur	NOUN
ajst-20229	82	36	-	-	PUNCT
ajst-20229	82	37	free	free	ADJ
ajst-20229	82	38	odorant	odorant	NOUN
ajst-20229	82	39	in	in	ADP
ajst-20229	82	40	the	the	DET
ajst-20229	82	41	actual	actual	ADJ
ajst-20229	82	42	project	project	NOUN
ajst-20229	82	43	[	[	X
ajst-20229	82	44	2	2	NUM
ajst-20229	82	45	]	]	PUNCT
ajst-20229	82	46	.	.	PUNCT
ajst-20229	83	1	in	in	ADP
ajst-20229	83	2	2013	2013	NUM
ajst-20229	83	3	,	,	PUNCT
ajst-20229	83	4	huayou	huayou	PROPN
ajst-20229	83	5	group	group	NOUN
ajst-20229	83	6	xingneng	xingneng	PROPN
ajst-20229	83	7	natural	natural	PROPN
ajst-20229	83	8	gas	gas	PROPN
ajst-20229	83	9	co.	co.	PROPN
ajst-20229	83	10	,	,	PUNCT
ajst-20229	83	11	ltd.of	ltd.of	PROPN
ajst-20229	83	12	southwest	southwest	ADJ
ajst-20229	83	13	oil	oil	NOUN
ajst-20229	83	14	and	and	CCONJ
ajst-20229	83	15	gas	gas	NOUN
ajst-20229	83	16	field	field	PROPN
ajst-20229	83	17	co.	co.	PROPN
ajst-20229	83	18	,	,	PUNCT
ajst-20229	83	19	ltd.used	ltd.use	VERB
ajst-20229	83	20	tht	tht	NOUN
ajst-20229	83	21	and	and	CCONJ
ajst-20229	83	22	sulfurfree	sulfurfree	ADJ
ajst-20229	83	23	deodorizing	deodorizing	NOUN
ajst-20229	83	24	agent	agent	NOUN
ajst-20229	83	25	to	to	PART
ajst-20229	83	26	deodorize	deodorize	VERB
ajst-20229	83	27	honghe	honghe	NOUN
ajst-20229	83	28	gas	gas	NOUN
ajst-20229	83	29	distribution	distribution	NOUN
ajst-20229	83	30	station	station	NOUN
ajst-20229	83	31	and	and	CCONJ
ajst-20229	83	32	tianyi	tianyi	PROPN
ajst-20229	83	33	skid	skid	PROPN
ajst-20229	83	34	-	-	PUNCT
ajst-20229	83	35	mounted	mount	VERB
ajst-20229	83	36	cabinet	cabinet	NOUN
ajst-20229	83	37	within	within	ADP
ajst-20229	83	38	its	its	PRON
ajst-20229	83	39	gas	gas	NOUN
ajst-20229	83	40	supply	supply	NOUN
ajst-20229	83	41	range	range	NOUN
ajst-20229	83	42	,	,	PUNCT
ajst-20229	83	43	and	and	CCONJ
ajst-20229	83	44	used	use	VERB
ajst-20229	83	45	gas	gas	NOUN
ajst-20229	83	46	chromatograph	chromatograph	NOUN
ajst-20229	83	47	to	to	PART
ajst-20229	83	48	detect	detect	VERB
ajst-20229	83	49	and	and	CCONJ
ajst-20229	83	50	compare	compare	VERB
ajst-20229	83	51	the	the	DET
ajst-20229	83	52	test	test	NOUN
ajst-20229	83	53	data	datum	NOUN
ajst-20229	83	54	.	.	PUNCT
ajst-20229	84	1	the	the	DET
ajst-20229	84	2	final	final	ADJ
ajst-20229	84	3	results	result	NOUN
ajst-20229	84	4	show	show	VERB
ajst-20229	84	5	that	that	SCONJ
ajst-20229	84	6	the	the	DET
ajst-20229	84	7	odorization	odorization	NOUN
ajst-20229	84	8	effect	effect	NOUN
ajst-20229	84	9	of	of	ADP
ajst-20229	84	10	the	the	DET
ajst-20229	84	11	two	two	NUM
ajst-20229	84	12	odorants	odorant	NOUN
ajst-20229	84	13	will	will	AUX
ajst-20229	84	14	not	not	PART
ajst-20229	84	15	be	be	AUX
ajst-20229	84	16	significantly	significantly	ADV
ajst-20229	84	17	affected	affect	VERB
ajst-20229	84	18	by	by	ADP
ajst-20229	84	19	factors	factor	NOUN
ajst-20229	84	20	such	such	ADJ
ajst-20229	84	21	as	as	ADP
ajst-20229	84	22	gas	gas	NOUN
ajst-20229	84	23	supply	supply	NOUN
ajst-20229	84	24	volume	volume	NOUN
ajst-20229	84	25	,	,	PUNCT
ajst-20229	84	26	gas	gas	NOUN
ajst-20229	84	27	consumption	consumption	NOUN
ajst-20229	84	28	period	period	NOUN
ajst-20229	84	29	,	,	PUNCT
ajst-20229	84	30	and	and	CCONJ
ajst-20229	84	31	gas	gas	NOUN
ajst-20229	84	32	supply	supply	NOUN
ajst-20229	84	33	season	season	NOUN
ajst-20229	84	34	.	.	PUNCT
ajst-20229	85	1	however	however	ADV
ajst-20229	85	2	,	,	PUNCT
ajst-20229	85	3	the	the	DET
ajst-20229	85	4	sulfur	sulfur	NOUN
ajst-20229	85	5	-	-	PUNCT
ajst-20229	85	6	free	free	ADJ
ajst-20229	85	7	odorant	odorant	NOUN
ajst-20229	85	8	has	have	VERB
ajst-20229	85	9	a	a	DET
ajst-20229	85	10	faster	fast	ADJ
ajst-20229	85	11	dispersion	dispersion	NOUN
ajst-20229	85	12	in	in	ADP
ajst-20229	85	13	the	the	DET
ajst-20229	85	14	gas	gas	NOUN
ajst-20229	85	15	pipeline	pipeline	NOUN
ajst-20229	85	16	network	network	NOUN
ajst-20229	85	17	,	,	PUNCT
ajst-20229	85	18	and	and	CCONJ
ajst-20229	85	19	the	the	DET
ajst-20229	85	20	distribution	distribution	NOUN
ajst-20229	85	21	is	be	AUX
ajst-20229	85	22	more	more	ADV
ajst-20229	85	23	uniform	uniform	ADJ
ajst-20229	85	24	than	than	ADP
ajst-20229	85	25	tht	tht	PRON
ajst-20229	85	26	.	.	PUNCT
ajst-20229	86	1	the	the	DET
ajst-20229	86	2	loss	loss	NOUN
ajst-20229	86	3	rate	rate	NOUN
ajst-20229	86	4	is	be	AUX
ajst-20229	86	5	lower	low	ADJ
ajst-20229	86	6	than	than	ADP
ajst-20229	86	7	tht	tht	PRON
ajst-20229	86	8	,	,	PUNCT
ajst-20229	86	9	and	and	CCONJ
ajst-20229	86	10	the	the	DET
ajst-20229	86	11	operating	operate	VERB
ajst-20229	86	12	pressure	pressure	NOUN
ajst-20229	86	13	of	of	ADP
ajst-20229	86	14	the	the	DET
ajst-20229	86	15	pipeline	pipeline	NOUN
ajst-20229	86	16	network	network	NOUN
ajst-20229	86	17	will	will	AUX
ajst-20229	86	18	have	have	VERB
ajst-20229	86	19	a	a	DET
ajst-20229	86	20	certain	certain	ADJ
ajst-20229	86	21	impact	impact	NOUN
ajst-20229	86	22	on	on	ADP
ajst-20229	86	23	the	the	DET
ajst-20229	86	24	odorization	odorization	NOUN
ajst-20229	86	25	effect	effect	NOUN
ajst-20229	86	26	of	of	ADP
ajst-20229	86	27	tht	tht	PROPN
ajst-20229	86	28	,	,	PUNCT
ajst-20229	86	29	but	but	CCONJ
ajst-20229	86	30	it	it	PRON
ajst-20229	86	31	will	will	AUX
ajst-20229	86	32	not	not	PART
ajst-20229	86	33	have	have	VERB
ajst-20229	86	34	a	a	DET
ajst-20229	86	35	significant	significant	ADJ
ajst-20229	86	36	impact	impact	NOUN
ajst-20229	86	37	on	on	ADP
ajst-20229	86	38	the	the	DET
ajst-20229	86	39	odorization	odorization	NOUN
ajst-20229	86	40	effect	effect	NOUN
ajst-20229	86	41	of	of	ADP
ajst-20229	86	42	sulfurfree	sulfurfree	ADJ
ajst-20229	86	43	odorants	odorant	NOUN
ajst-20229	86	44	.	.	PUNCT
ajst-20229	87	1	in	in	ADP
ajst-20229	87	2	addition	addition	NOUN
ajst-20229	87	3	,	,	PUNCT
ajst-20229	87	4	the	the	DET
ajst-20229	87	5	test	test	NOUN
ajst-20229	87	6	project	project	NOUN
ajst-20229	87	7	also	also	ADV
ajst-20229	87	8	verified	verify	VERB
ajst-20229	87	9	that	that	SCONJ
ajst-20229	87	10	the	the	DET
ajst-20229	87	11	sulfur	sulfur	NOUN
ajst-20229	87	12	-	-	PUNCT
ajst-20229	87	13	free	free	ADJ
ajst-20229	87	14	odorant	odorant	NOUN
ajst-20229	87	15	has	have	VERB
ajst-20229	87	16	better	well	ADJ
ajst-20229	87	17	volatility	volatility	NOUN
ajst-20229	87	18	and	and	CCONJ
ajst-20229	87	19	cleanliness	cleanliness	NOUN
ajst-20229	87	20	than	than	ADP
ajst-20229	87	21	tht.if	tht.if	NOUN
ajst-20229	87	22	the	the	DET
ajst-20229	87	23	clothing	clothing	NOUN
ajst-20229	87	24	is	be	AUX
ajst-20229	87	25	contaminated	contaminate	VERB
ajst-20229	87	26	with	with	ADP
ajst-20229	87	27	tht	tht	PRON
ajst-20229	87	28	or	or	CCONJ
ajst-20229	87	29	after	after	SCONJ
ajst-20229	87	30	the	the	DET
ajst-20229	87	31	maintenance	maintenance	NOUN
ajst-20229	87	32	personnel	personnel	NOUN
ajst-20229	87	33	completes	complete	VERB
ajst-20229	87	34	the	the	DET
ajst-20229	87	35	maintenance	maintenance	NOUN
ajst-20229	87	36	work	work	NOUN
ajst-20229	87	37	of	of	ADP
ajst-20229	87	38	the	the	DET
ajst-20229	87	39	gas	gas	NOUN
ajst-20229	87	40	leakage	leakage	NOUN
ajst-20229	87	41	,	,	PUNCT
ajst-20229	87	42	the	the	DET
ajst-20229	87	43	irritating	irritating	ADJ
ajst-20229	87	44	odor	odor	NOUN
ajst-20229	87	45	of	of	ADP
ajst-20229	87	46	tht	tht	PRON
ajst-20229	87	47	is	be	AUX
ajst-20229	87	48	difficult	difficult	ADJ
ajst-20229	87	49	to	to	PART
ajst-20229	87	50	completely	completely	ADV
ajst-20229	87	51	dissipate	dissipate	VERB
ajst-20229	87	52	in	in	ADP
ajst-20229	87	53	a	a	DET
ajst-20229	87	54	short	short	ADJ
ajst-20229	87	55	period	period	NOUN
ajst-20229	87	56	of	of	ADP
ajst-20229	87	57	time	time	NOUN
ajst-20229	87	58	,	,	PUNCT
ajst-20229	87	59	and	and	CCONJ
ajst-20229	87	60	the	the	DET
ajst-20229	87	61	odor	odor	NOUN
ajst-20229	87	62	remains	remain	VERB
ajst-20229	87	63	for	for	ADP
ajst-20229	87	64	a	a	DET
ajst-20229	87	65	long	long	ADJ
ajst-20229	87	66	time	time	NOUN
ajst-20229	87	67	,	,	PUNCT
ajst-20229	87	68	which	which	PRON
ajst-20229	87	69	will	will	AUX
ajst-20229	87	70	affect	affect	VERB
ajst-20229	87	71	the	the	DET
ajst-20229	87	72	living	living	NOUN
ajst-20229	87	73	and	and	CCONJ
ajst-20229	87	74	working	work	VERB
ajst-20229	87	75	environment	environment	NOUN
ajst-20229	87	76	of	of	ADP
ajst-20229	87	77	the	the	DET
ajst-20229	87	78	personnel	personnel	NOUN
ajst-20229	87	79	,	,	PUNCT
ajst-20229	87	80	while	while	SCONJ
ajst-20229	87	81	the	the	DET
ajst-20229	87	82	sulfur	sulfur	NOUN
ajst-20229	87	83	-	-	PUNCT
ajst-20229	87	84	free	free	ADJ
ajst-20229	87	85	odorant	odorant	NOUN
ajst-20229	87	86	is	be	AUX
ajst-20229	87	87	more	more	ADV
ajst-20229	87	88	volatile	volatile	ADJ
ajst-20229	87	89	.	.	PUNCT
ajst-20229	88	1	when	when	SCONJ
ajst-20229	88	2	the	the	DET
ajst-20229	88	3	sulfur	sulfur	NOUN
ajst-20229	88	4	-	-	PUNCT
ajst-20229	88	5	free	free	ADJ
ajst-20229	88	6	odorant	odorant	NOUN
ajst-20229	88	7	is	be	AUX
ajst-20229	88	8	contaminated	contaminate	VERB
ajst-20229	88	9	on	on	ADP
ajst-20229	88	10	the	the	DET
ajst-20229	88	11	clothing	clothing	NOUN
ajst-20229	88	12	or	or	CCONJ
ajst-20229	88	13	exposed	expose	VERB
ajst-20229	88	14	to	to	ADP
ajst-20229	88	15	the	the	DET
ajst-20229	88	16	air	air	NOUN
ajst-20229	88	17	,	,	PUNCT
ajst-20229	88	18	it	it	PRON
ajst-20229	88	19	can	can	AUX
ajst-20229	88	20	be	be	AUX
ajst-20229	88	21	easily	easily	ADV
ajst-20229	88	22	cleaned	clean	VERB
ajst-20229	88	23	,	,	PUNCT
ajst-20229	88	24	and	and	CCONJ
ajst-20229	88	25	its	its	PRON
ajst-20229	88	26	irritating	irritating	ADJ
ajst-20229	88	27	odor	odor	NOUN
ajst-20229	88	28	will	will	AUX
ajst-20229	88	29	be	be	AUX
ajst-20229	88	30	completely	completely	ADV
ajst-20229	88	31	eliminated	eliminate	VERB
ajst-20229	88	32	in	in	ADP
ajst-20229	88	33	a	a	DET
ajst-20229	88	34	short	short	ADJ
ajst-20229	88	35	period	period	NOUN
ajst-20229	88	36	of	of	ADP
ajst-20229	88	37	time	time	NOUN
ajst-20229	88	38	,	,	PUNCT
ajst-20229	88	39	which	which	PRON
ajst-20229	88	40	will	will	AUX
ajst-20229	88	41	not	not	PART
ajst-20229	88	42	cause	cause	VERB
ajst-20229	88	43	trouble	trouble	NOUN
ajst-20229	88	44	to	to	ADP
ajst-20229	88	45	people	people	NOUN
ajst-20229	88	46	's	's	PART
ajst-20229	88	47	life	life	NOUN
ajst-20229	88	48	and	and	CCONJ
ajst-20229	88	49	production	production	NOUN
ajst-20229	88	50	.	.	PUNCT
ajst-20229	89	1	[	[	X
ajst-20229	89	2	3	3	NUM
ajst-20229	89	3	]	]	PUNCT
ajst-20229	89	4	.	.	PUNCT
ajst-20229	90	1	it	it	PRON
ajst-20229	90	2	can	can	AUX
ajst-20229	90	3	be	be	AUX
ajst-20229	90	4	proved	prove	VERB
ajst-20229	90	5	from	from	ADP
ajst-20229	90	6	the	the	DET
ajst-20229	90	7	above	above	ADJ
ajst-20229	90	8	engineering	engineer	VERB
ajst-20229	90	9	examples	example	NOUN
ajst-20229	90	10	that	that	SCONJ
ajst-20229	90	11	the	the	DET
ajst-20229	90	12	irritating	irritating	ADJ
ajst-20229	90	13	odor	odor	NOUN
ajst-20229	90	14	of	of	ADP
ajst-20229	90	15	the	the	DET
ajst-20229	90	16	sulfur	sulfur	NOUN
ajst-20229	90	17	-	-	PUNCT
ajst-20229	90	18	free	free	ADJ
ajst-20229	90	19	odorant	odorant	NOUN
ajst-20229	90	20	can	can	AUX
ajst-20229	90	21	also	also	ADV
ajst-20229	90	22	achieve	achieve	VERB
ajst-20229	90	23	the	the	DET
ajst-20229	90	24	warning	warning	NOUN
ajst-20229	90	25	effect	effect	NOUN
ajst-20229	90	26	,	,	PUNCT
ajst-20229	90	27	and	and	CCONJ
ajst-20229	90	28	the	the	DET
ajst-20229	90	29	physical	physical	ADJ
ajst-20229	90	30	and	and	CCONJ
ajst-20229	90	31	chemical	chemical	NOUN
ajst-20229	90	32	properties	property	NOUN
ajst-20229	90	33	are	be	AUX
ajst-20229	90	34	relatively	relatively	ADV
ajst-20229	90	35	stable	stable	ADJ
ajst-20229	90	36	.	.	PUNCT
ajst-20229	91	1	in	in	ADP
ajst-20229	91	2	the	the	DET
ajst-20229	91	3	conversion	conversion	NOUN
ajst-20229	91	4	process	process	NOUN
ajst-20229	91	5	,	,	PUNCT
ajst-20229	91	6	there	there	PRON
ajst-20229	91	7	is	be	VERB
ajst-20229	91	8	no	no	DET
ajst-20229	91	9	need	need	NOUN
ajst-20229	91	10	to	to	PART
ajst-20229	91	11	replace	replace	VERB
ajst-20229	91	12	the	the	DET
ajst-20229	91	13	new	new	ADJ
ajst-20229	91	14	equipment	equipment	NOUN
ajst-20229	91	15	on	on	ADP
ajst-20229	91	16	a	a	DET
ajst-20229	91	17	large	large	ADJ
ajst-20229	91	18	scale	scale	NOUN
ajst-20229	91	19	,	,	PUNCT
ajst-20229	91	20	showing	show	VERB
ajst-20229	91	21	good	good	ADJ
ajst-20229	91	22	adaptability	adaptability	NOUN
ajst-20229	91	23	to	to	ADP
ajst-20229	91	24	the	the	DET
ajst-20229	91	25	existing	exist	VERB
ajst-20229	91	26	equipment	equipment	NOUN
ajst-20229	91	27	,	,	PUNCT
ajst-20229	91	28	and	and	CCONJ
ajst-20229	91	29	no	no	DET
ajst-20229	91	30	chemical	chemical	NOUN
ajst-20229	91	31	reaction	reaction	NOUN
ajst-20229	91	32	occurs	occur	VERB
ajst-20229	91	33	after	after	ADP
ajst-20229	91	34	mixing	mix	VERB
ajst-20229	91	35	with	with	ADP
ajst-20229	91	36	tht.in	tht.in	PROPN
ajst-20229	91	37	addition	addition	NOUN
ajst-20229	91	38	,	,	PUNCT
ajst-20229	91	39	the	the	DET
ajst-20229	91	40	sulfurfree	sulfurfree	ADJ
ajst-20229	91	41	odorant	odorant	NOUN
ajst-20229	91	42	is	be	AUX
ajst-20229	91	43	obviously	obviously	ADV
ajst-20229	91	44	superior	superior	ADJ
ajst-20229	91	45	to	to	ADP
ajst-20229	91	46	tht	tht	PRON
ajst-20229	91	47	in	in	ADP
ajst-20229	91	48	terms	term	NOUN
ajst-20229	91	49	of	of	ADP
ajst-20229	91	50	diffusivity	diffusivity	NOUN
ajst-20229	91	51	,	,	PUNCT
ajst-20229	91	52	volatility	volatility	NOUN
ajst-20229	91	53	,	,	PUNCT
ajst-20229	91	54	economy	economy	NOUN
ajst-20229	91	55	,	,	PUNCT
ajst-20229	91	56	environmental	environmental	ADJ
ajst-20229	91	57	protection	protection	NOUN
ajst-20229	91	58	and	and	CCONJ
ajst-20229	91	59	uniformity	uniformity	NOUN
ajst-20229	91	60	after	after	ADP
ajst-20229	91	61	mixing	mix	VERB
ajst-20229	91	62	with	with	ADP
ajst-20229	91	63	natural	natural	ADJ
ajst-20229	91	64	gas	gas	NOUN
ajst-20229	91	65	.	.	PUNCT
ajst-20229	92	1	therefore	therefore	ADV
ajst-20229	92	2	,	,	PUNCT
ajst-20229	92	3	the	the	DET
ajst-20229	92	4	sulfur	sulfur	NOUN
ajst-20229	92	5	-	-	PUNCT
ajst-20229	92	6	free	free	ADJ
ajst-20229	92	7	odorant	odorant	NOUN
ajst-20229	92	8	has	have	VERB
ajst-20229	92	9	the	the	DET
ajst-20229	92	10	feasibility	feasibility	NOUN
ajst-20229	92	11	of	of	ADP
ajst-20229	92	12	replacing	replace	VERB
ajst-20229	92	13	tht	tht	PRON
ajst-20229	92	14	in	in	ADP
ajst-20229	92	15	the	the	DET
ajst-20229	92	16	practical	practical	ADJ
ajst-20229	92	17	application	application	NOUN
ajst-20229	92	18	process	process	NOUN
ajst-20229	92	19	.	.	PUNCT
ajst-20229	93	1	4	4	X
ajst-20229	93	2	.	.	X
ajst-20229	93	3	summary	summary	NOUN
ajst-20229	93	4	in	in	ADP
ajst-20229	93	5	recent	recent	ADJ
ajst-20229	93	6	years	year	NOUN
ajst-20229	93	7	,	,	PUNCT
ajst-20229	93	8	significant	significant	ADJ
ajst-20229	93	9	progress	progress	NOUN
ajst-20229	93	10	has	have	AUX
ajst-20229	93	11	been	be	AUX
ajst-20229	93	12	made	make	VERB
ajst-20229	93	13	in	in	ADP
ajst-20229	93	14	the	the	DET
ajst-20229	93	15	research	research	NOUN
ajst-20229	93	16	of	of	ADP
ajst-20229	93	17	sulfur	sulfur	NOUN
ajst-20229	93	18	-	-	PUNCT
ajst-20229	93	19	free	free	ADJ
ajst-20229	93	20	odorants	odorant	NOUN
ajst-20229	93	21	in	in	ADP
ajst-20229	93	22	the	the	DET
ajst-20229	93	23	natural	natural	ADJ
ajst-20229	93	24	gas	gas	NOUN
ajst-20229	93	25	industry	industry	NOUN
ajst-20229	93	26	.	.	PUNCT
ajst-20229	94	1	sulfur	sulfur	NOUN
ajst-20229	94	2	-	-	PUNCT
ajst-20229	94	3	free	free	ADJ
ajst-20229	94	4	odorants	odorant	NOUN
ajst-20229	94	5	not	not	PART
ajst-20229	94	6	only	only	ADV
ajst-20229	94	7	have	have	AUX
ajst-20229	94	8	gradually	gradually	ADV
ajst-20229	94	9	made	make	VERB
ajst-20229	94	10	breakthroughs	breakthrough	NOUN
ajst-20229	94	11	in	in	ADP
ajst-20229	94	12	odorizing	odorizing	NOUN
ajst-20229	94	13	effects	effect	NOUN
ajst-20229	94	14	,	,	PUNCT
ajst-20229	94	15	but	but	CCONJ
ajst-20229	94	16	also	also	ADV
ajst-20229	94	17	have	have	AUX
ajst-20229	94	18	shown	show	VERB
ajst-20229	94	19	advantages	advantage	NOUN
ajst-20229	94	20	in	in	ADP
ajst-20229	94	21	environmental	environmental	ADJ
ajst-20229	94	22	protection	protection	NOUN
ajst-20229	94	23	,	,	PUNCT
ajst-20229	94	24	safety	safety	NOUN
ajst-20229	94	25	and	and	CCONJ
ajst-20229	94	26	economy	economy	NOUN
ajst-20229	94	27	.	.	PUNCT
ajst-20229	95	1	especially	especially	ADV
ajst-20229	95	2	in	in	ADP
ajst-20229	95	3	the	the	DET
ajst-20229	95	4	natural	natural	ADJ
ajst-20229	95	5	gas	gas	NOUN
ajst-20229	95	6	market	market	NOUN
ajst-20229	95	7	that	that	PRON
ajst-20229	95	8	requires	require	VERB
ajst-20229	95	9	high	high	ADJ
ajst-20229	95	10	quality	quality	NOUN
ajst-20229	95	11	and	and	CCONJ
ajst-20229	95	12	low	low	ADJ
ajst-20229	95	13	pollution	pollution	NOUN
ajst-20229	95	14	,	,	PUNCT
ajst-20229	95	15	sulfur	sulfur	NOUN
ajst-20229	95	16	-	-	PUNCT
ajst-20229	95	17	free	free	ADJ
ajst-20229	95	18	odorants	odorant	NOUN
ajst-20229	95	19	will	will	AUX
ajst-20229	95	20	become	become	VERB
ajst-20229	95	21	the	the	DET
ajst-20229	95	22	first	first	ADJ
ajst-20229	95	23	choice	choice	NOUN
ajst-20229	95	24	.	.	PUNCT
ajst-20229	96	1	however	however	ADV
ajst-20229	96	2	,	,	PUNCT
ajst-20229	96	3	the	the	DET
ajst-20229	96	4	basic	basic	ADJ
ajst-20229	96	5	research	research	NOUN
ajst-20229	96	6	work	work	NOUN
ajst-20229	96	7	on	on	ADP
ajst-20229	96	8	sulfur	sulfur	NOUN
ajst-20229	96	9	-	-	PUNCT
ajst-20229	96	10	free	free	ADJ
ajst-20229	96	11	odorants	odorant	NOUN
ajst-20229	96	12	in	in	ADP
ajst-20229	96	13	china	china	PROPN
ajst-20229	96	14	is	be	AUX
ajst-20229	96	15	relatively	relatively	ADV
ajst-20229	96	16	backward	backward	ADJ
ajst-20229	96	17	,	,	PUNCT
ajst-20229	96	18	and	and	CCONJ
ajst-20229	96	19	there	there	PRON
ajst-20229	96	20	are	be	VERB
ajst-20229	96	21	still	still	ADV
ajst-20229	96	22	some	some	DET
ajst-20229	96	23	problems	problem	NOUN
ajst-20229	96	24	and	and	CCONJ
ajst-20229	96	25	challenges	challenge	NOUN
ajst-20229	96	26	in	in	ADP
ajst-20229	96	27	the	the	DET
ajst-20229	96	28	future	future	ADJ
ajst-20229	96	29	research	research	NOUN
ajst-20229	96	30	and	and	CCONJ
ajst-20229	96	31	development	development	NOUN
ajst-20229	96	32	process	process	NOUN
ajst-20229	96	33	.	.	PUNCT
ajst-20229	97	1	future	future	ADJ
ajst-20229	97	2	research	research	NOUN
ajst-20229	97	3	can	can	AUX
ajst-20229	97	4	focus	focus	VERB
ajst-20229	97	5	on	on	ADP
ajst-20229	97	6	optimizing	optimize	VERB
ajst-20229	97	7	the	the	DET
ajst-20229	97	8	formulation	formulation	NOUN
ajst-20229	97	9	and	and	CCONJ
ajst-20229	97	10	odorization	odorization	NOUN
ajst-20229	97	11	technology	technology	NOUN
ajst-20229	97	12	of	of	ADP
ajst-20229	97	13	sulfur	sulfur	NOUN
ajst-20229	97	14	-	-	PUNCT
ajst-20229	97	15	free	free	ADJ
ajst-20229	97	16	odorants	odorant	NOUN
ajst-20229	97	17	to	to	PART
ajst-20229	97	18	improve	improve	VERB
ajst-20229	97	19	their	their	PRON
ajst-20229	97	20	performance	performance	NOUN
ajst-20229	97	21	in	in	ADP
ajst-20229	97	22	practical	practical	ADJ
ajst-20229	97	23	applications	application	NOUN
ajst-20229	97	24	.	.	PUNCT
ajst-20229	98	1	in	in	ADP
ajst-20229	98	2	addition	addition	NOUN
ajst-20229	98	3	,	,	PUNCT
ajst-20229	98	4	the	the	DET
ajst-20229	98	5	standardization	standardization	NOUN
ajst-20229	98	6	and	and	CCONJ
ajst-20229	98	7	normalization	normalization	NOUN
ajst-20229	98	8	of	of	ADP
ajst-20229	98	9	sulfur	sulfur	NOUN
ajst-20229	98	10	-	-	PUNCT
ajst-20229	98	11	free	free	ADJ
ajst-20229	98	12	odorants	odorant	NOUN
ajst-20229	98	13	also	also	ADV
ajst-20229	98	14	need	need	VERB
ajst-20229	98	15	to	to	PART
ajst-20229	98	16	be	be	AUX
ajst-20229	98	17	strengthened	strengthen	VERB
ajst-20229	98	18	to	to	PART
ajst-20229	98	19	ensure	ensure	VERB
ajst-20229	98	20	their	their	PRON
ajst-20229	98	21	effectiveness	effectiveness	NOUN
ajst-20229	98	22	and	and	CCONJ
ajst-20229	98	23	reliability	reliability	NOUN
ajst-20229	98	24	in	in	ADP
ajst-20229	98	25	practical	practical	ADJ
ajst-20229	98	26	applications	application	NOUN
ajst-20229	98	27	.	.	PUNCT
ajst-20229	99	1	in	in	ADP
ajst-20229	99	2	general	general	ADJ
ajst-20229	99	3	,	,	PUNCT
ajst-20229	99	4	natural	natural	ADJ
ajst-20229	99	5	gas	gas	NOUN
ajst-20229	99	6	sulfur	sulfur	NOUN
ajst-20229	99	7	-	-	PUNCT
ajst-20229	99	8	free	free	ADJ
ajst-20229	99	9	odorants	odorant	NOUN
ajst-20229	99	10	have	have	AUX
ajst-20229	99	11	shown	show	VERB
ajst-20229	99	12	great	great	ADJ
ajst-20229	99	13	potential	potential	NOUN
ajst-20229	99	14	in	in	ADP
ajst-20229	99	15	replacing	replace	VERB
ajst-20229	99	16	traditional	traditional	ADJ
ajst-20229	99	17	sulfide	sulfide	NOUN
ajst-20229	99	18	odorants	odorant	NOUN
ajst-20229	99	19	.	.	PUNCT
ajst-20229	100	1	in	in	ADP
ajst-20229	100	2	the	the	DET
ajst-20229	100	3	future	future	NOUN
ajst-20229	100	4	,	,	PUNCT
ajst-20229	100	5	the	the	DET
ajst-20229	100	6	research	research	NOUN
ajst-20229	100	7	and	and	CCONJ
ajst-20229	100	8	application	application	NOUN
ajst-20229	100	9	of	of	ADP
ajst-20229	100	10	sulfur	sulfur	NOUN
ajst-20229	100	11	-	-	PUNCT
ajst-20229	100	12	free	free	ADJ
ajst-20229	100	13	odorants	odorant	NOUN
ajst-20229	100	14	will	will	AUX
ajst-20229	100	15	continue	continue	VERB
ajst-20229	100	16	to	to	PART
ajst-20229	100	17	develop	develop	VERB
ajst-20229	100	18	in	in	ADP
ajst-20229	100	19	the	the	DET
ajst-20229	100	20	field	field	NOUN
ajst-20229	100	21	of	of	ADP
ajst-20229	100	22	natural	natural	ADJ
ajst-20229	100	23	gas	gas	NOUN
ajst-20229	100	24	treatment	treatment	NOUN
ajst-20229	100	25	,	,	PUNCT
ajst-20229	100	26	especially	especially	ADV
ajst-20229	100	27	in	in	ADP
ajst-20229	100	28	the	the	DET
ajst-20229	100	29	pursuit	pursuit	NOUN
ajst-20229	100	30	of	of	ADP
ajst-20229	100	31	cleaner	clean	ADJ
ajst-20229	100	32	and	and	CCONJ
ajst-20229	100	33	safer	safe	ADJ
ajst-20229	100	34	energy	energy	NOUN
ajst-20229	100	35	production	production	NOUN
ajst-20229	100	36	and	and	CCONJ
ajst-20229	100	37	use	use	NOUN
ajst-20229	100	38	.	.	PUNCT
ajst-20229	101	1	with	with	ADP
ajst-20229	101	2	the	the	DET
ajst-20229	101	3	continuous	continuous	ADJ
ajst-20229	101	4	advancement	advancement	NOUN
ajst-20229	101	5	of	of	ADP
ajst-20229	101	6	technology	technology	NOUN
ajst-20229	101	7	and	and	CCONJ
ajst-20229	101	8	changes	change	NOUN
ajst-20229	101	9	in	in	ADP
ajst-20229	101	10	market	market	NOUN
ajst-20229	101	11	demand	demand	NOUN
ajst-20229	101	12	,	,	PUNCT
ajst-20229	101	13	natural	natural	ADJ
ajst-20229	101	14	gas	gas	NOUN
ajst-20229	101	15	sulfurfree	sulfurfree	NOUN
ajst-20229	101	16	odorants	odorant	NOUN
ajst-20229	101	17	will	will	AUX
ajst-20229	101	18	gradually	gradually	ADV
ajst-20229	101	19	become	become	VERB
ajst-20229	101	20	the	the	DET
ajst-20229	101	21	mainstream	mainstream	NOUN
ajst-20229	101	22	choice	choice	NOUN
ajst-20229	101	23	in	in	ADP
ajst-20229	101	24	the	the	DET
ajst-20229	101	25	field	field	NOUN
ajst-20229	101	26	of	of	ADP
ajst-20229	101	27	natural	natural	ADJ
ajst-20229	101	28	gas	gas	NOUN
ajst-20229	101	29	treatment	treatment	NOUN
ajst-20229	101	30	and	and	CCONJ
ajst-20229	101	31	contribute	contribute	VERB
ajst-20229	101	32	to	to	ADP
ajst-20229	101	33	the	the	DET
ajst-20229	101	34	sustainable	sustainable	ADJ
ajst-20229	101	35	development	development	NOUN
ajst-20229	101	36	of	of	ADP
ajst-20229	101	37	the	the	DET
ajst-20229	101	38	natural	natural	ADJ
ajst-20229	101	39	gas	gas	NOUN
ajst-20229	101	40	industry	industry	NOUN
ajst-20229	101	41	.	.	PUNCT
ajst-20229	102	1	references	reference	NOUN
ajst-20229	102	2	[	[	X
ajst-20229	102	3	1	1	NUM
ajst-20229	102	4	]	]	X
ajst-20229	102	5	lun	lun	PROPN
ajst-20229	102	6	liu	liu	PROPN
ajst-20229	102	7	,	,	PUNCT
ajst-20229	102	8	yangwen	yangwen	NOUN
ajst-20229	102	9	zhao	zhao	PROPN
ajst-20229	102	10	,	,	PUNCT
ajst-20229	102	11	yi	yi	PROPN
ajst-20229	102	12	han	han	PROPN
ajst-20229	102	13	.	.	PUNCT
ajst-20229	103	1	research	research	NOUN
ajst-20229	103	2	progress	progress	NOUN
ajst-20229	103	3	of	of	ADP
ajst-20229	103	4	natural	natural	ADJ
ajst-20229	103	5	gas	gas	NOUN
ajst-20229	103	6	odorant	odorant	NOUN
ajst-20229	103	7	and	and	CCONJ
ajst-20229	103	8	its	its	PRON
ajst-20229	103	9	detection	detection	NOUN
ajst-20229	103	10	technology	technology	NOUN
ajst-20229	104	1	[	[	X
ajst-20229	104	2	j	j	X
ajst-20229	104	3	]	]	X
ajst-20229	104	4	.	.	PUNCT
ajst-20229	105	1	shandong	shandong	PROPN
ajst-20229	105	2	chemical	chemical	PROPN
ajst-20229	105	3	,	,	PUNCT
ajst-20229	105	4	2023,52(24):113	2023,52(24):113	NUM
ajst-20229	105	5	-	-	SYM
ajst-20229	105	6	115	115	NUM
ajst-20229	105	7	.	.	PUNCT
ajst-20229	106	1	[	[	X
ajst-20229	106	2	2	2	X
ajst-20229	106	3	]	]	X
ajst-20229	106	4	yue	yue	PROPN
ajst-20229	106	5	chen	chen	PROPN
ajst-20229	106	6	,	,	PUNCT
ajst-20229	106	7	lei	lei	PROPN
ajst-20229	106	8	guo	guo	PROPN
ajst-20229	106	9	,	,	PUNCT
ajst-20229	106	10	yongbing	yongbing	ADJ
ajst-20229	106	11	sun	sun	NOUN
ajst-20229	106	12	.	.	PUNCT
ajst-20229	106	13	trial	trial	NOUN
ajst-20229	106	14	application	application	NOUN
ajst-20229	106	15	of	of	ADP
ajst-20229	106	16	sulfurfree	sulfurfree	ADJ
ajst-20229	106	17	odorant	odorant	NOUN
ajst-20229	106	18	in	in	ADP
ajst-20229	106	19	domestic	domestic	ADJ
ajst-20229	106	20	pipeline	pipeline	NOUN
ajst-20229	106	21	natural	natural	ADJ
ajst-20229	106	22	gas	gas	NOUN
ajst-20229	107	1	[	[	X
ajst-20229	107	2	j	j	X
ajst-20229	107	3	]	]	X
ajst-20229	107	4	.	.	PUNCT
ajst-20229	108	1	city	city	NOUN
ajst-20229	108	2	gas	gas	NOUN
ajst-20229	108	3	,	,	PUNCT
ajst-20229	108	4	2009,(3	2009,(3	NUM
ajst-20229	108	5	)	)	PUNCT
ajst-20229	108	6	.	.	PUNCT
ajst-20229	109	1	[	[	X
ajst-20229	109	2	3	3	X
ajst-20229	109	3	]	]	X
ajst-20229	109	4	xiaochong	xiaochong	PROPN
ajst-20229	109	5	gou	gou	PROPN
ajst-20229	109	6	.	.	PROPN
ajst-20229	109	7	field	field	PROPN
ajst-20229	109	8	application	application	NOUN
ajst-20229	109	9	test	test	NOUN
ajst-20229	109	10	of	of	ADP
ajst-20229	109	11	sulfur	sulfur	NOUN
ajst-20229	109	12	-	-	PUNCT
ajst-20229	109	13	free	free	ADJ
ajst-20229	109	14	odorant	odorant	NOUN
ajst-20229	109	15	in	in	ADP
ajst-20229	109	16	urban	urban	ADJ
ajst-20229	109	17	gas	gas	NOUN
ajst-20229	109	18	[	[	X
ajst-20229	109	19	c]//	c]//	PROPN
ajst-20229	109	20	2015	2015	NUM
ajst-20229	109	21	national	national	ADJ
ajst-20229	109	22	natural	natural	ADJ
ajst-20229	109	23	gas	gas	NOUN
ajst-20229	109	24	academic	academic	NOUN
ajst-20229	109	25	annual	annual	ADJ
ajst-20229	109	26	conference.2015	conference.2015	PROPN
ajst-20229	109	27	.	.	PUNCT
ajst-20229	110	1	[	[	X
ajst-20229	110	2	4	4	NUM
ajst-20229	110	3	]	]	X
ajst-20229	110	4	bisong	bisong	PROPN
ajst-20229	110	5	huang	huang	PROPN
ajst-20229	110	6	.	.	PUNCT
ajst-20229	110	7	risk	risk	NOUN
ajst-20229	110	8	analysis	analysis	NOUN
ajst-20229	110	9	of	of	ADP
ajst-20229	110	10	odorant	odorant	ADJ
ajst-20229	110	11	use	use	NOUN
ajst-20229	110	12	in	in	ADP
ajst-20229	110	13	gas	gas	NOUN
ajst-20229	110	14	enterprises	enterprise	NOUN
ajst-20229	110	15	[	[	X
ajst-20229	110	16	j	j	X
ajst-20229	110	17	]	]	X
ajst-20229	110	18	.	.	PUNCT
ajst-20229	111	1	city	city	NOUN
ajst-20229	111	2	gas	gas	NOUN
ajst-20229	111	3	,	,	PUNCT
ajst-20229	111	4	2021	2021	NUM
ajst-20229	111	5	(	(	PUNCT
ajst-20229	111	6	4	4	NUM
ajst-20229	111	7	):	):	PUNCT
ajst-20229	111	8	31	31	NUM
ajst-20229	111	9	-	-	SYM
ajst-20229	111	10	34	34	NUM
ajst-20229	111	11	.	.	PUNCT
ajst-20229	112	1	[	[	X
ajst-20229	112	2	5	5	NUM
ajst-20229	112	3	]	]	PUNCT
ajst-20229	112	4	li	li	PROPN
ajst-20229	112	5	wang	wang	PROPN
ajst-20229	112	6	,	,	PUNCT
ajst-20229	112	7	jiayi	jiayi	PROPN
ajst-20229	112	8	xu	xu	PROPN
ajst-20229	112	9	,	,	PUNCT
ajst-20229	112	10	qing	qing	NOUN
ajst-20229	112	11	guo	guo	PROPN
ajst-20229	112	12	,	,	PUNCT
ajst-20229	112	13	properties	property	NOUN
ajst-20229	112	14	and	and	CCONJ
ajst-20229	112	15	application	application	NOUN
ajst-20229	112	16	of	of	ADP
ajst-20229	112	17	sulfur	sulfur	NOUN
ajst-20229	112	18	free	free	ADJ
ajst-20229	112	19	odorant	odorant	NOUN
ajst-20229	112	20	[	[	X
ajst-20229	112	21	j	j	X
ajst-20229	112	22	]	]	X
ajst-20229	112	23	.	.	PUNCT
ajst-20229	113	1	gas	gas	NOUN
ajst-20229	113	2	and	and	CCONJ
ajst-20229	113	3	heat	heat	NOUN
ajst-20229	113	4	,	,	PUNCT
ajst-20229	113	5	2021	2021	NUM
ajst-20229	113	6	,	,	PUNCT
ajst-20229	113	7	31	31	NUM
ajst-20229	113	8	(	(	PUNCT
ajst-20229	113	9	11)36	11)36	NUM
ajst-20229	113	10	-	-	SYM
ajst-20229	113	11	38	38	NUM
ajst-20229	113	12	.	.	PUNCT
ajst-20229	113	13	238	238	NUM
ajst-20229	114	1	[	[	X
ajst-20229	114	2	6	6	NUM
ajst-20229	114	3	]	]	PUNCT
ajst-20229	114	4	pigao	pigao	PROPN
ajst-20229	114	5	li	li	PROPN
ajst-20229	114	6	,	,	PUNCT
ajst-20229	114	7	gang	gang	PROPN
ajst-20229	114	8	li	li	PROPN
ajst-20229	114	9	.	.	PROPN
ajst-20229	114	10	improvement	improvement	NOUN
ajst-20229	114	11	of	of	ADP
ajst-20229	114	12	synthesis	synthesis	NOUN
ajst-20229	114	13	method	method	NOUN
ajst-20229	114	14	of	of	ADP
ajst-20229	114	15	tetrahydrothiophene	tetrahydrothiophene	NOUN
ajst-20229	115	1	[	[	X
ajst-20229	115	2	j	j	X
ajst-20229	115	3	]	]	X
ajst-20229	115	4	.	.	PUNCT
ajst-20229	116	1	synthetic	synthetic	ADJ
ajst-20229	116	2	chemistry	chemistry	NOUN
ajst-20229	116	3	,	,	PUNCT
ajst-20229	116	4	2007	2007	NUM
ajst-20229	116	5	,	,	PUNCT
ajst-20229	116	6	15(3):374	15(3):374	NUM
ajst-20229	116	7	－375	－375	NOUN
ajst-20229	116	8	.	.	PUNCT
ajst-20229	117	1	[	[	X
ajst-20229	117	2	7	7	X
ajst-20229	117	3	]	]	X
ajst-20229	117	4	xiaochong	xiaochong	PROPN
ajst-20229	117	5	gou	gou	PROPN
ajst-20229	117	6	,	,	PUNCT
ajst-20229	117	7	peifen	peifen	PROPN
ajst-20229	117	8	bai	bai	PROPN
ajst-20229	117	9	,	,	PUNCT
ajst-20229	117	10	xiuxiang	xiuxiang	PROPN
ajst-20229	117	11	yan	yan	PROPN
ajst-20229	117	12	,	,	PUNCT
ajst-20229	117	13	et	et	PROPN
ajst-20229	117	14	al	al	PROPN
ajst-20229	117	15	.	.	PROPN
ajst-20229	117	16	discussion	discussion	NOUN
ajst-20229	117	17	on	on	ADP
ajst-20229	117	18	selection	selection	NOUN
ajst-20229	117	19	of	of	ADP
ajst-20229	117	20	urban	urban	ADJ
ajst-20229	117	21	gas	gas	NOUN
ajst-20229	117	22	odorant	odorant	NOUN
ajst-20229	117	23	[	[	X
ajst-20229	117	24	c]//	c]//	ADJ
ajst-20229	117	25	proceedings	proceeding	NOUN
ajst-20229	117	26	of	of	ADP
ajst-20229	117	27	2016	2016	NUM
ajst-20229	117	28	national	national	ADJ
ajst-20229	117	29	natural	natural	ADJ
ajst-20229	117	30	gas	gas	NOUN
ajst-20229	117	31	academic	academic	NOUN
ajst-20229	117	32	annual	annual	ADJ
ajst-20229	117	33	conference.2016	conference.2016	PROPN
ajst-20229	117	34	.	.	PUNCT