id	sid	tid	token	lemma	pos
ap-2041	1	1	acta	acta	PROPN
ap-2041	1	2	polytechnica	polytechnica	PROPN
ap-2041	1	3	doi:10.14311	doi:10.14311	PROPN
ap-2041	1	4	/	/	SYM
ap-2041	1	5	ap.2014.54.0010	ap.2014.54.0010	PROPN
ap-2041	1	6	acta	acta	PROPN
ap-2041	1	7	polytechnica	polytechnica	PROPN
ap-2041	1	8	54(1):10–14	54(1):10–14	NUM
ap-2041	1	9	,	,	PUNCT
ap-2041	1	10	2014	2014	NUM
ap-2041	1	11	©	©	PROPN
ap-2041	1	12	czech	czech	PROPN
ap-2041	1	13	technical	technical	PROPN
ap-2041	1	14	university	university	PROPN
ap-2041	1	15	in	in	ADP
ap-2041	1	16	prague	prague	PROPN
ap-2041	1	17	,	,	PUNCT
ap-2041	1	18	2014	2014	NUM
ap-2041	1	19	available	available	ADJ
ap-2041	1	20	online	online	ADV
ap-2041	1	21	at	at	ADP
ap-2041	1	22	http://ojs.cvut.cz/ojs/index.php/ap	http://ojs.cvut.cz/ojs/index.php/ap	PROPN
ap-2041	1	23	the	the	DET
ap-2041	1	24	effect	effect	NOUN
ap-2041	1	25	of	of	ADP
ap-2041	1	26	adding	add	VERB
ap-2041	1	27	hydrogen	hydrogen	NOUN
ap-2041	1	28	on	on	ADP
ap-2041	1	29	the	the	DET
ap-2041	1	30	performance	performance	NOUN
ap-2041	1	31	and	and	CCONJ
ap-2041	1	32	the	the	DET
ap-2041	1	33	cyclic	cyclic	ADJ
ap-2041	1	34	variability	variability	NOUN
ap-2041	1	35	of	of	ADP
ap-2041	1	36	a	a	DET
ap-2041	1	37	spark	spark	NOUN
ap-2041	1	38	ignition	ignition	NOUN
ap-2041	1	39	engine	engine	NOUN
ap-2041	1	40	powered	power	VERB
ap-2041	1	41	by	by	ADP
ap-2041	1	42	natural	natural	ADJ
ap-2041	1	43	gas	gas	NOUN
ap-2041	1	44	andrej	andrej	PROPN
ap-2041	1	45	chríbik∗	chríbik∗	PROPN
ap-2041	1	46	,	,	PUNCT
ap-2041	1	47	marián	marián	PROPN
ap-2041	1	48	polóni	polóni	PROPN
ap-2041	1	49	,	,	PUNCT
ap-2041	1	50	ján	ján	PROPN
ap-2041	1	51	lach	lach	PROPN
ap-2041	1	52	,	,	PUNCT
ap-2041	1	53	branislav	branislav	NOUN
ap-2041	1	54	ragan	ragan	NOUN
ap-2041	1	55	faculty	faculty	NOUN
ap-2041	1	56	of	of	ADP
ap-2041	1	57	mechanical	mechanical	ADJ
ap-2041	1	58	engineering	engineering	NOUN
ap-2041	1	59	,	,	PUNCT
ap-2041	1	60	stu	stu	PROPN
ap-2041	1	61	in	in	ADP
ap-2041	1	62	bratislava	bratislava	PROPN
ap-2041	1	63	,	,	PUNCT
ap-2041	1	64	institute	institute	PROPN
ap-2041	1	65	of	of	ADP
ap-2041	1	66	transport	transport	NOUN
ap-2041	1	67	technology	technology	NOUN
ap-2041	1	68	and	and	CCONJ
ap-2041	1	69	design	design	NOUN
ap-2041	1	70	,	,	PUNCT
ap-2041	1	71	department	department	NOUN
ap-2041	1	72	of	of	ADP
ap-2041	1	73	vehicles	vehicle	NOUN
ap-2041	1	74	,	,	PUNCT
ap-2041	1	75	ships	ship	NOUN
ap-2041	1	76	and	and	CCONJ
ap-2041	1	77	internal	internal	ADJ
ap-2041	1	78	combustion	combustion	NOUN
ap-2041	1	79	engines	engine	NOUN
ap-2041	1	80	,	,	PUNCT
ap-2041	1	81	námestie	námestie	ADP
ap-2041	1	82	slobody	slobody	NOUN
ap-2041	1	83	17	17	NUM
ap-2041	1	84	,	,	PUNCT
ap-2041	1	85	812	812	NUM
ap-2041	1	86	31	31	NUM
ap-2041	1	87	bratislava	bratislava	PROPN
ap-2041	1	88	∗	∗	NOUN
ap-2041	1	89	corresponding	correspond	VERB
ap-2041	1	90	author	author	NOUN
ap-2041	1	91	:	:	PUNCT
ap-2041	1	92	andrej.chribik@stuba.sk	andrej.chribik@stuba.sk	PROPN
ap-2041	1	93	abstract	abstract	NOUN
ap-2041	1	94	.	.	PUNCT
ap-2041	2	1	this	this	DET
ap-2041	2	2	paper	paper	NOUN
ap-2041	2	3	deals	deal	NOUN
ap-2041	2	4	with	with	ADP
ap-2041	2	5	the	the	DET
ap-2041	2	6	influence	influence	NOUN
ap-2041	2	7	of	of	ADP
ap-2041	2	8	blending	blend	VERB
ap-2041	2	9	hydrogen	hydrogen	NOUN
ap-2041	2	10	(	(	PUNCT
ap-2041	2	11	from	from	ADP
ap-2041	2	12	0	0	NUM
ap-2041	2	13	to	to	ADP
ap-2041	2	14	50	50	NUM
ap-2041	2	15	%	%	NOUN
ap-2041	2	16	vol	vol	NOUN
ap-2041	2	17	.	.	PUNCT
ap-2041	2	18	)	)	PUNCT
ap-2041	2	19	on	on	ADP
ap-2041	2	20	the	the	DET
ap-2041	2	21	parameters	parameter	NOUN
ap-2041	2	22	and	and	CCONJ
ap-2041	2	23	the	the	DET
ap-2041	2	24	cyclic	cyclic	ADJ
ap-2041	2	25	variability	variability	NOUN
ap-2041	2	26	of	of	ADP
ap-2041	2	27	a	a	DET
ap-2041	2	28	lombardini	lombardini	PROPN
ap-2041	2	29	lgw702	lgw702	PROPN
ap-2041	2	30	combustion	combustion	NOUN
ap-2041	2	31	engine	engine	NOUN
ap-2041	2	32	powered	power	VERB
ap-2041	2	33	by	by	ADP
ap-2041	2	34	natural	natural	ADJ
ap-2041	2	35	gas	gas	NOUN
ap-2041	2	36	.	.	PUNCT
ap-2041	3	1	the	the	DET
ap-2041	3	2	experimental	experimental	ADJ
ap-2041	3	3	measurements	measurement	NOUN
ap-2041	3	4	were	be	AUX
ap-2041	3	5	carried	carry	VERB
ap-2041	3	6	out	out	ADP
ap-2041	3	7	at	at	ADP
ap-2041	3	8	various	various	ADJ
ap-2041	3	9	air	air	NOUN
ap-2041	3	10	excess	excess	ADJ
ap-2041	3	11	ratios	ratio	NOUN
ap-2041	3	12	and	and	CCONJ
ap-2041	3	13	at	at	ADP
ap-2041	3	14	various	various	ADJ
ap-2041	3	15	angles	angle	NOUN
ap-2041	3	16	of	of	ADP
ap-2041	3	17	spark	spark	NOUN
ap-2041	3	18	advance	advance	NOUN
ap-2041	3	19	,	,	PUNCT
ap-2041	3	20	at	at	ADP
ap-2041	3	21	an	an	DET
ap-2041	3	22	operating	operate	VERB
ap-2041	3	23	speed	speed	NOUN
ap-2041	3	24	of	of	ADP
ap-2041	3	25	1500min−1	1500min−1	NUM
ap-2041	3	26	.	.	PUNCT
ap-2041	4	1	an	an	DET
ap-2041	4	2	analysis	analysis	NOUN
ap-2041	4	3	of	of	ADP
ap-2041	4	4	the	the	DET
ap-2041	4	5	combustion	combustion	NOUN
ap-2041	4	6	pressure	pressure	NOUN
ap-2041	4	7	showed	show	VERB
ap-2041	4	8	that	that	SCONJ
ap-2041	4	9	as	as	ADP
ap-2041	4	10	the	the	DET
ap-2041	4	11	proportion	proportion	NOUN
ap-2041	4	12	of	of	ADP
ap-2041	4	13	hydrogen	hydrogen	NOUN
ap-2041	4	14	in	in	ADP
ap-2041	4	15	the	the	DET
ap-2041	4	16	mixture	mixture	NOUN
ap-2041	4	17	increases	increase	NOUN
ap-2041	4	18	,	,	PUNCT
ap-2041	4	19	the	the	DET
ap-2041	4	20	maximum	maximum	ADJ
ap-2041	4	21	pressure	pressure	NOUN
ap-2041	4	22	value	value	NOUN
ap-2041	4	23	also	also	ADV
ap-2041	4	24	increases	increase	VERB
ap-2041	4	25	.	.	PUNCT
ap-2041	5	1	however	however	ADV
ap-2041	5	2	,	,	PUNCT
ap-2041	5	3	at	at	ADP
ap-2041	5	4	the	the	DET
ap-2041	5	5	same	same	ADJ
ap-2041	5	6	time	time	NOUN
ap-2041	5	7	the	the	DET
ap-2041	5	8	cyclic	cyclic	ADJ
ap-2041	5	9	variability	variability	NOUN
ap-2041	5	10	decreases	decrease	VERB
ap-2041	5	11	.	.	PUNCT
ap-2041	6	1	both	both	CCONJ
ap-2041	6	2	the	the	DET
ap-2041	6	3	ignition	ignition	NOUN
ap-2041	6	4	-	-	PUNCT
ap-2041	6	5	delay	delay	NOUN
ap-2041	6	6	period	period	NOUN
ap-2041	6	7	and	and	CCONJ
ap-2041	6	8	the	the	DET
ap-2041	6	9	period	period	NOUN
ap-2041	6	10	of	of	ADP
ap-2041	6	11	combustion	combustion	NOUN
ap-2041	6	12	of	of	ADP
ap-2041	6	13	the	the	DET
ap-2041	6	14	mixture	mixture	NOUN
ap-2041	6	15	become	become	VERB
ap-2041	6	16	shorter	short	ADJ
ap-2041	6	17	,	,	PUNCT
ap-2041	6	18	which	which	PRON
ap-2041	6	19	requires	require	VERB
ap-2041	6	20	optimization	optimization	NOUN
ap-2041	6	21	of	of	ADP
ap-2041	6	22	the	the	DET
ap-2041	6	23	spark	spark	NOUN
ap-2041	6	24	advance	advance	NOUN
ap-2041	6	25	angle	angle	NOUN
ap-2041	6	26	for	for	ADP
ap-2041	6	27	various	various	ADJ
ap-2041	6	28	proportions	proportion	NOUN
ap-2041	6	29	of	of	ADP
ap-2041	6	30	hydrogen	hydrogen	NOUN
ap-2041	6	31	in	in	ADP
ap-2041	6	32	the	the	DET
ap-2041	6	33	fuel	fuel	NOUN
ap-2041	6	34	.	.	PUNCT
ap-2041	7	1	the	the	DET
ap-2041	7	2	increasing	increase	VERB
ap-2041	7	3	proportion	proportion	NOUN
ap-2041	7	4	of	of	ADP
ap-2041	7	5	hydrogen	hydrogen	NOUN
ap-2041	7	6	extends	extend	VERB
ap-2041	7	7	the	the	DET
ap-2041	7	8	flammability	flammability	NOUN
ap-2041	7	9	limit	limit	NOUN
ap-2041	7	10	to	to	ADP
ap-2041	7	11	the	the	DET
ap-2041	7	12	area	area	NOUN
ap-2041	7	13	of	of	ADP
ap-2041	7	14	lean	lean	ADJ
ap-2041	7	15	-	-	PUNCT
ap-2041	7	16	burn	burn	NOUN
ap-2041	7	17	mixtures	mixture	NOUN
ap-2041	7	18	and	and	CCONJ
ap-2041	7	19	,	,	PUNCT
ap-2041	7	20	at	at	ADP
ap-2041	7	21	the	the	DET
ap-2041	7	22	same	same	ADJ
ap-2041	7	23	time	time	NOUN
ap-2041	7	24	,	,	PUNCT
ap-2041	7	25	the	the	DET
ap-2041	7	26	coefficient	coefficient	NOUN
ap-2041	7	27	of	of	ADP
ap-2041	7	28	cyclic	cyclic	ADJ
ap-2041	7	29	variability	variability	NOUN
ap-2041	7	30	of	of	ADP
ap-2041	7	31	the	the	DET
ap-2041	7	32	mean	mean	NOUN
ap-2041	7	33	indicated	indicate	VERB
ap-2041	7	34	pressure	pressure	NOUN
ap-2041	7	35	decreases	decrease	NOUN
ap-2041	7	36	.	.	PUNCT
ap-2041	8	1	keywords	keyword	NOUN
ap-2041	8	2	:	:	PUNCT
ap-2041	8	3	adding	add	VERB
ap-2041	8	4	hydrogen	hydrogen	NOUN
ap-2041	8	5	,	,	PUNCT
ap-2041	8	6	natural	natural	ADJ
ap-2041	8	7	gas	gas	NOUN
ap-2041	8	8	,	,	PUNCT
ap-2041	8	9	cyclic	cyclic	ADJ
ap-2041	8	10	variability	variability	NOUN
ap-2041	8	11	,	,	PUNCT
ap-2041	8	12	spark	spark	NOUN
ap-2041	8	13	ignition	ignition	NOUN
ap-2041	8	14	engine	engine	NOUN
ap-2041	8	15	.	.	PUNCT
ap-2041	9	1	1	1	X
ap-2041	9	2	.	.	X
ap-2041	9	3	introduction	introduction	NOUN
ap-2041	9	4	nowadays	nowadays	ADV
ap-2041	9	5	,	,	PUNCT
ap-2041	9	6	there	there	PRON
ap-2041	9	7	is	be	VERB
ap-2041	9	8	increased	increase	VERB
ap-2041	9	9	emphasis	emphasis	NOUN
ap-2041	9	10	on	on	ADP
ap-2041	9	11	environmental	environmental	ADJ
ap-2041	9	12	protection	protection	NOUN
ap-2041	9	13	in	in	ADP
ap-2041	9	14	transport	transport	NOUN
ap-2041	9	15	.	.	PUNCT
ap-2041	10	1	as	as	SCONJ
ap-2041	10	2	a	a	DET
ap-2041	10	3	consequence	consequence	NOUN
ap-2041	10	4	reduced	reduce	VERB
ap-2041	10	5	consumption	consumption	NOUN
ap-2041	10	6	of	of	ADP
ap-2041	10	7	traditional	traditional	ADJ
ap-2041	10	8	fuels	fuel	NOUN
ap-2041	10	9	is	be	AUX
ap-2041	10	10	required	require	VERB
ap-2041	10	11	,	,	PUNCT
ap-2041	10	12	and	and	CCONJ
ap-2041	10	13	alternative	alternative	ADJ
ap-2041	10	14	fuels	fuel	NOUN
ap-2041	10	15	are	be	AUX
ap-2041	10	16	sought	seek	VERB
ap-2041	10	17	,	,	PUNCT
ap-2041	10	18	in	in	ADP
ap-2041	10	19	order	order	NOUN
ap-2041	10	20	to	to	PART
ap-2041	10	21	reduce	reduce	VERB
ap-2041	10	22	dependence	dependence	NOUN
ap-2041	10	23	on	on	ADP
ap-2041	10	24	fossil	fossil	ADJ
ap-2041	10	25	fuels	fuel	NOUN
ap-2041	10	26	.	.	PUNCT
ap-2041	11	1	a	a	DET
ap-2041	11	2	possible	possible	ADJ
ap-2041	11	3	solution	solution	NOUN
ap-2041	11	4	is	be	AUX
ap-2041	11	5	the	the	DET
ap-2041	11	6	use	use	NOUN
ap-2041	11	7	of	of	ADP
ap-2041	11	8	hydrogen	hydrogen	NOUN
ap-2041	11	9	as	as	ADP
ap-2041	11	10	a	a	DET
ap-2041	11	11	substitute	substitute	NOUN
ap-2041	11	12	fuel	fuel	NOUN
ap-2041	11	13	for	for	ADP
ap-2041	11	14	petrol	petrol	NOUN
ap-2041	11	15	in	in	ADP
ap-2041	11	16	sparkignition	sparkignition	NOUN
ap-2041	11	17	engines	engine	NOUN
ap-2041	11	18	.	.	PUNCT
ap-2041	12	1	there	there	PRON
ap-2041	12	2	is	be	VERB
ap-2041	12	3	an	an	DET
ap-2041	12	4	absence	absence	NOUN
ap-2041	12	5	of	of	ADP
ap-2041	12	6	carbon	carbon	NOUN
ap-2041	12	7	during	during	ADP
ap-2041	12	8	complete	complete	ADJ
ap-2041	12	9	combustion	combustion	NOUN
ap-2041	12	10	of	of	ADP
ap-2041	12	11	hydrogen	hydrogen	NOUN
ap-2041	12	12	,	,	PUNCT
ap-2041	12	13	and	and	CCONJ
ap-2041	12	14	as	as	ADP
ap-2041	12	15	a	a	DET
ap-2041	12	16	result	result	NOUN
ap-2041	12	17	only	only	ADV
ap-2041	12	18	water	water	NOUN
ap-2041	12	19	vapour	vapour	NOUN
ap-2041	12	20	and	and	CCONJ
ap-2041	12	21	nitrogen	nitrogen	NOUN
ap-2041	12	22	are	be	AUX
ap-2041	12	23	yielded	yield	VERB
ap-2041	12	24	,	,	PUNCT
ap-2041	12	25	i.e.	i.e.	X
ap-2041	12	26	no	no	DET
ap-2041	12	27	carbon	carbon	NOUN
ap-2041	12	28	dioxide	dioxide	NOUN
ap-2041	12	29	(	(	PUNCT
ap-2041	12	30	co2	co2	NOUN
ap-2041	12	31	)	)	PUNCT
ap-2041	12	32	is	be	AUX
ap-2041	12	33	released	release	VERB
ap-2041	12	34	.	.	PUNCT
ap-2041	13	1	however	however	ADV
ap-2041	13	2	,	,	PUNCT
ap-2041	13	3	pure	pure	ADJ
ap-2041	13	4	hydrogen	hydrogen	NOUN
ap-2041	13	5	has	have	VERB
ap-2041	13	6	some	some	DET
ap-2041	13	7	drawbacks	drawback	NOUN
ap-2041	13	8	as	as	ADP
ap-2041	13	9	a	a	DET
ap-2041	13	10	fuel	fuel	NOUN
ap-2041	13	11	.	.	PUNCT
ap-2041	14	1	there	there	PRON
ap-2041	14	2	are	be	VERB
ap-2041	14	3	problems	problem	NOUN
ap-2041	14	4	with	with	ADP
ap-2041	14	5	acquisition	acquisition	NOUN
ap-2041	14	6	and	and	CCONJ
ap-2041	14	7	storage	storage	NOUN
ap-2041	14	8	of	of	ADP
ap-2041	14	9	hydrogen	hydrogen	NOUN
ap-2041	14	10	,	,	PUNCT
ap-2041	14	11	low	low	ADJ
ap-2041	14	12	energy	energy	NOUN
ap-2041	14	13	density	density	NOUN
ap-2041	14	14	,	,	PUNCT
ap-2041	14	15	higher	high	ADJ
ap-2041	14	16	formation	formation	NOUN
ap-2041	14	17	of	of	ADP
ap-2041	14	18	nitrogen	nitrogen	NOUN
ap-2041	14	19	oxides	oxide	NOUN
ap-2041	14	20	(	(	PUNCT
ap-2041	14	21	nox	nox	NOUN
ap-2041	14	22	)	)	PUNCT
ap-2041	14	23	,	,	PUNCT
ap-2041	14	24	possible	possible	ADJ
ap-2041	14	25	abnormal	abnormal	ADJ
ap-2041	14	26	combustion	combustion	NOUN
ap-2041	14	27	,	,	PUNCT
ap-2041	14	28	etc	etc	X
ap-2041	14	29	.	.	PUNCT
ap-2041	15	1	[	[	X
ap-2041	15	2	1–3	1–3	X
ap-2041	15	3	]	]	X
ap-2041	15	4	.	.	PUNCT
ap-2041	16	1	for	for	ADP
ap-2041	16	2	these	these	DET
ap-2041	16	3	reasons	reason	NOUN
ap-2041	16	4	,	,	PUNCT
ap-2041	16	5	it	it	PRON
ap-2041	16	6	seems	seem	VERB
ap-2041	16	7	advantageous	advantageous	ADJ
ap-2041	16	8	at	at	ADP
ap-2041	16	9	the	the	DET
ap-2041	16	10	present	present	ADJ
ap-2041	16	11	time	time	NOUN
ap-2041	16	12	to	to	PART
ap-2041	16	13	utilize	utilize	VERB
ap-2041	16	14	mixtures	mixture	NOUN
ap-2041	16	15	of	of	ADP
ap-2041	16	16	hydrogen	hydrogen	NOUN
ap-2041	16	17	with	with	ADP
ap-2041	16	18	natural	natural	ADJ
ap-2041	16	19	gas	gas	NOUN
ap-2041	16	20	(	(	PUNCT
ap-2041	16	21	or	or	CCONJ
ap-2041	16	22	with	with	ADP
ap-2041	16	23	methane	methane	NOUN
ap-2041	16	24	)	)	PUNCT
ap-2041	16	25	.	.	PUNCT
ap-2041	17	1	synergy	synergy	NOUN
ap-2041	17	2	of	of	ADP
ap-2041	17	3	these	these	DET
ap-2041	17	4	two	two	NUM
ap-2041	17	5	fuels	fuel	NOUN
ap-2041	17	6	can	can	AUX
ap-2041	17	7	generate	generate	VERB
ap-2041	17	8	general	general	ADJ
ap-2041	17	9	benefits	benefit	NOUN
ap-2041	17	10	from	from	ADP
ap-2041	17	11	the	the	DET
ap-2041	17	12	resulting	result	VERB
ap-2041	17	13	mixture	mixture	NOUN
ap-2041	17	14	,	,	PUNCT
ap-2041	17	15	as	as	SCONJ
ap-2041	17	16	follows	follow	VERB
ap-2041	17	17	:	:	PUNCT
ap-2041	17	18	flammability	flammability	NOUN
ap-2041	17	19	limits	limit	NOUN
ap-2041	17	20	—	—	PUNCT
ap-2041	17	21	as	as	ADP
ap-2041	17	22	the	the	DET
ap-2041	17	23	content	content	NOUN
ap-2041	17	24	of	of	ADP
ap-2041	17	25	hydrogen	hydrogen	NOUN
ap-2041	17	26	mixed	mix	VERB
ap-2041	17	27	with	with	ADP
ap-2041	17	28	natural	natural	ADJ
ap-2041	17	29	gas	gas	NOUN
ap-2041	17	30	increases	increase	NOUN
ap-2041	17	31	,	,	PUNCT
ap-2041	17	32	the	the	DET
ap-2041	17	33	range	range	NOUN
ap-2041	17	34	of	of	ADP
ap-2041	17	35	flammability	flammability	NOUN
ap-2041	17	36	limits	limit	NOUN
ap-2041	17	37	of	of	ADP
ap-2041	17	38	the	the	DET
ap-2041	17	39	mixtures	mixture	NOUN
ap-2041	17	40	becomes	become	VERB
ap-2041	17	41	wider	wide	ADJ
ap-2041	17	42	.	.	PUNCT
ap-2041	18	1	for	for	ADP
ap-2041	18	2	50	50	NUM
ap-2041	18	3	%	%	NOUN
ap-2041	18	4	content	content	NOUN
ap-2041	18	5	of	of	ADP
ap-2041	18	6	hydrogen	hydrogen	NOUN
ap-2041	18	7	in	in	ADP
ap-2041	18	8	a	a	DET
ap-2041	18	9	mixture	mixture	NOUN
ap-2041	18	10	,	,	PUNCT
ap-2041	18	11	the	the	DET
ap-2041	18	12	theoretical	theoretical	ADJ
ap-2041	18	13	limits	limit	NOUN
ap-2041	18	14	of	of	ADP
ap-2041	18	15	flammability	flammability	NOUN
ap-2041	18	16	under	under	ADP
ap-2041	18	17	atmospheric	atmospheric	ADJ
ap-2041	18	18	conditions	condition	NOUN
ap-2041	18	19	range	range	VERB
ap-2041	18	20	within	within	ADP
ap-2041	18	21	the	the	DET
ap-2041	18	22	air	air	NOUN
ap-2041	18	23	excess	excess	ADJ
ap-2041	18	24	ratio	ratio	NOUN
ap-2041	18	25	λ	λ	NOUN
ap-2041	18	26	=	=	NOUN
ap-2041	18	27	0.48	0.48	NUM
ap-2041	18	28	–	–	PUNCT
ap-2041	18	29	3.53	3.53	NUM
ap-2041	18	30	compared	compare	VERB
ap-2041	18	31	with	with	ADP
ap-2041	18	32	natural	natural	ADJ
ap-2041	18	33	gas	gas	NOUN
ap-2041	18	34	λ	λ	NOUN
ap-2041	18	35	=	=	PRON
ap-2041	18	36	0.57–1.92	0.57–1.92	NUM
ap-2041	18	37	)	)	PUNCT
ap-2041	18	38	;	;	PUNCT
ap-2041	18	39	delay	delay	NOUN
ap-2041	18	40	of	of	ADP
ap-2041	18	41	ignition	ignition	NOUN
ap-2041	18	42	—	—	PUNCT
ap-2041	18	43	as	as	SCONJ
ap-2041	18	44	the	the	DET
ap-2041	18	45	content	content	NOUN
ap-2041	18	46	of	of	ADP
ap-2041	18	47	hydrogen	hydrogen	NOUN
ap-2041	18	48	in	in	ADP
ap-2041	18	49	mixtures	mixture	NOUN
ap-2041	18	50	with	with	ADP
ap-2041	18	51	natural	natural	ADJ
ap-2041	18	52	gas	gas	NOUN
ap-2041	18	53	(	(	PUNCT
ap-2041	18	54	h2ng	h2ng	ADJ
ap-2041	18	55	)	)	PUNCT
ap-2041	18	56	increases	increase	NOUN
ap-2041	18	57	,	,	PUNCT
ap-2041	18	58	the	the	DET
ap-2041	18	59	period	period	NOUN
ap-2041	18	60	of	of	ADP
ap-2041	18	61	physical	physical	ADJ
ap-2041	18	62	and	and	CCONJ
ap-2041	18	63	chemical	chemical	ADJ
ap-2041	18	64	preparation	preparation	NOUN
ap-2041	18	65	of	of	ADP
ap-2041	18	66	the	the	DET
ap-2041	18	67	mixture	mixture	NOUN
ap-2041	18	68	becomes	become	VERB
ap-2041	18	69	shorter	short	ADJ
ap-2041	18	70	before	before	ADP
ap-2041	18	71	the	the	DET
ap-2041	18	72	actual	actual	ADJ
ap-2041	18	73	visible	visible	ADJ
ap-2041	18	74	combustion	combustion	NOUN
ap-2041	18	75	than	than	ADP
ap-2041	18	76	when	when	SCONJ
ap-2041	18	77	just	just	ADV
ap-2041	18	78	natural	natural	ADJ
ap-2041	18	79	gas	gas	NOUN
ap-2041	18	80	is	be	AUX
ap-2041	18	81	combusted	combust	VERB
ap-2041	18	82	;	;	PUNCT
ap-2041	18	83	energy	energy	NOUN
ap-2041	18	84	of	of	ADP
ap-2041	18	85	spark	spark	NOUN
ap-2041	18	86	—	—	PUNCT
ap-2041	18	87	the	the	DET
ap-2041	18	88	actual	actual	ADJ
ap-2041	18	89	ignition	ignition	NOUN
ap-2041	18	90	of	of	ADP
ap-2041	18	91	the	the	DET
ap-2041	18	92	stoichiometric	stoichiometric	ADJ
ap-2041	18	93	mixture	mixture	NOUN
ap-2041	18	94	of	of	ADP
ap-2041	18	95	gas	gas	NOUN
ap-2041	18	96	and	and	CCONJ
ap-2041	18	97	air	air	NOUN
ap-2041	18	98	requires	require	VERB
ap-2041	18	99	the	the	DET
ap-2041	18	100	addition	addition	NOUN
ap-2041	18	101	of	of	ADP
ap-2041	18	102	a	a	DET
ap-2041	18	103	higher	high	ADJ
ap-2041	18	104	quantity	quantity	NOUN
ap-2041	18	105	of	of	ADP
ap-2041	18	106	energy	energy	NOUN
ap-2041	18	107	(	(	PUNCT
ap-2041	18	108	higher	high	ADJ
ap-2041	18	109	ignition	ignition	NOUN
ap-2041	18	110	temperature	temperature	NOUN
ap-2041	18	111	)	)	PUNCT
ap-2041	18	112	than	than	ADP
ap-2041	18	113	when	when	SCONJ
ap-2041	18	114	igniting	ignite	VERB
ap-2041	18	115	a	a	DET
ap-2041	18	116	stoichiometric	stoichiometric	ADJ
ap-2041	18	117	mixture	mixture	NOUN
ap-2041	18	118	of	of	ADP
ap-2041	18	119	hydrogen	hydrogen	NOUN
ap-2041	18	120	and	and	CCONJ
ap-2041	18	121	air	air	NOUN
ap-2041	18	122	;	;	PUNCT
ap-2041	18	123	nature	nature	NOUN
ap-2041	18	124	of	of	ADP
ap-2041	18	125	burning	burn	VERB
ap-2041	18	126	—	—	PUNCT
ap-2041	18	127	as	as	SCONJ
ap-2041	18	128	the	the	DET
ap-2041	18	129	proportion	proportion	NOUN
ap-2041	18	130	of	of	ADP
ap-2041	18	131	hydrogen	hydrogen	NOUN
ap-2041	18	132	in	in	ADP
ap-2041	18	133	a	a	DET
ap-2041	18	134	mixture	mixture	NOUN
ap-2041	18	135	with	with	ADP
ap-2041	18	136	natural	natural	ADJ
ap-2041	18	137	gas	gas	NOUN
ap-2041	18	138	steadily	steadily	ADV
ap-2041	18	139	grows	grow	VERB
ap-2041	18	140	,	,	PUNCT
ap-2041	18	141	the	the	DET
ap-2041	18	142	speed	speed	NOUN
ap-2041	18	143	of	of	ADP
ap-2041	18	144	flame	flame	NOUN
ap-2041	18	145	spreading	spread	VERB
ap-2041	18	146	increases	increase	NOUN
ap-2041	18	147	and	and	CCONJ
ap-2041	18	148	thus	thus	ADV
ap-2041	18	149	reduces	reduce	VERB
ap-2041	18	150	the	the	DET
ap-2041	18	151	actual	actual	ADJ
ap-2041	18	152	burning	burning	NOUN
ap-2041	18	153	time	time	NOUN
ap-2041	18	154	during	during	ADP
ap-2041	18	155	which	which	PRON
ap-2041	18	156	thermal	thermal	ADJ
ap-2041	18	157	energy	energy	NOUN
ap-2041	18	158	is	be	AUX
ap-2041	18	159	released	release	VERB
ap-2041	18	160	more	more	ADV
ap-2041	18	161	rapidly	rapidly	ADV
ap-2041	18	162	;	;	PUNCT
ap-2041	18	163	emissions	emission	NOUN
ap-2041	18	164	—	—	PUNCT
ap-2041	18	165	as	as	ADP
ap-2041	18	166	the	the	DET
ap-2041	18	167	content	content	NOUN
ap-2041	18	168	of	of	ADP
ap-2041	18	169	hydrogen	hydrogen	NOUN
ap-2041	18	170	in	in	ADP
ap-2041	18	171	the	the	DET
ap-2041	18	172	mixture	mixture	NOUN
ap-2041	18	173	with	with	ADP
ap-2041	18	174	natural	natural	ADJ
ap-2041	18	175	gas	gas	NOUN
ap-2041	18	176	increases	increase	NOUN
ap-2041	18	177	,	,	PUNCT
ap-2041	18	178	the	the	DET
ap-2041	18	179	atomic	atomic	ADJ
ap-2041	18	180	ratio	ratio	NOUN
ap-2041	18	181	of	of	ADP
ap-2041	18	182	hydrogen	hydrogen	NOUN
ap-2041	18	183	to	to	PART
ap-2041	18	184	carbon	carbon	VERB
ap-2041	18	185	(	(	PUNCT
ap-2041	18	186	h	h	NOUN
ap-2041	18	187	/	/	SYM
ap-2041	18	188	c	c	NOUN
ap-2041	18	189	)	)	PUNCT
ap-2041	18	190	also	also	ADV
ap-2041	18	191	increases	increase	VERB
ap-2041	18	192	,	,	PUNCT
ap-2041	18	193	leading	lead	VERB
ap-2041	18	194	to	to	ADP
ap-2041	18	195	a	a	DET
ap-2041	18	196	decrease	decrease	NOUN
ap-2041	18	197	in	in	ADP
ap-2041	18	198	emissions	emission	NOUN
ap-2041	18	199	that	that	PRON
ap-2041	18	200	contain	contain	VERB
ap-2041	18	201	carbon	carbon	NOUN
ap-2041	18	202	(	(	PUNCT
ap-2041	18	203	co2	co2	NOUN
ap-2041	18	204	,	,	PUNCT
ap-2041	18	205	co	co	NOUN
ap-2041	18	206	,	,	PUNCT
ap-2041	18	207	chx	chx	NOUN
ap-2041	18	208	)	)	PUNCT
ap-2041	18	209	.	.	PUNCT
ap-2041	19	1	the	the	DET
ap-2041	19	2	production	production	NOUN
ap-2041	19	3	of	of	ADP
ap-2041	19	4	water	water	NOUN
ap-2041	19	5	vapour	vapour	NOUN
ap-2041	19	6	becomes	become	VERB
ap-2041	19	7	greater	great	ADJ
ap-2041	19	8	,	,	PUNCT
ap-2041	19	9	as	as	SCONJ
ap-2041	19	10	does	do	VERB
ap-2041	19	11	the	the	DET
ap-2041	19	12	production	production	NOUN
ap-2041	19	13	of	of	ADP
ap-2041	19	14	nox	nox	NOUN
ap-2041	19	15	,	,	PUNCT
ap-2041	19	16	which	which	PRON
ap-2041	19	17	is	be	AUX
ap-2041	19	18	related	relate	VERB
ap-2041	19	19	to	to	ADP
ap-2041	19	20	the	the	DET
ap-2041	19	21	higher	high	ADJ
ap-2041	19	22	temperature	temperature	NOUN
ap-2041	19	23	of	of	ADP
ap-2041	19	24	combustion	combustion	NOUN
ap-2041	19	25	.	.	PUNCT
ap-2041	20	1	table	table	NOUN
ap-2041	20	2	1	1	NUM
ap-2041	20	3	presents	present	VERB
ap-2041	20	4	the	the	DET
ap-2041	20	5	basic	basic	ADJ
ap-2041	20	6	properties	property	NOUN
ap-2041	20	7	of	of	ADP
ap-2041	20	8	a	a	DET
ap-2041	20	9	mixture	mixture	NOUN
ap-2041	20	10	of	of	ADP
ap-2041	20	11	natural	natural	ADJ
ap-2041	20	12	gas	gas	NOUN
ap-2041	20	13	(	(	PUNCT
ap-2041	20	14	ng	ng	NOUN
ap-2041	20	15	)	)	PUNCT
ap-2041	20	16	and	and	CCONJ
ap-2041	20	17	hydrogen	hydrogen	NOUN
ap-2041	20	18	(	(	PUNCT
ap-2041	20	19	h2	h2	NOUN
ap-2041	20	20	)	)	PUNCT
ap-2041	20	21	.	.	PUNCT
ap-2041	21	1	as	as	SCONJ
ap-2041	21	2	can	can	AUX
ap-2041	21	3	be	be	AUX
ap-2041	21	4	seen	see	VERB
ap-2041	21	5	,	,	PUNCT
ap-2041	21	6	with	with	ADP
ap-2041	21	7	an	an	DET
ap-2041	21	8	increasing	increase	VERB
ap-2041	21	9	content	content	NOUN
ap-2041	21	10	of	of	ADP
ap-2041	21	11	hydrogen	hydrogen	NOUN
ap-2041	21	12	the	the	DET
ap-2041	21	13	mass	mass	NOUN
ap-2041	21	14	lower	low	ADJ
ap-2041	21	15	heating	heating	NOUN
ap-2041	21	16	value	value	NOUN
ap-2041	21	17	increases	increase	NOUN
ap-2041	21	18	,	,	PUNCT
ap-2041	21	19	while	while	SCONJ
ap-2041	21	20	the	the	DET
ap-2041	21	21	fuel	fuel	NOUN
ap-2041	21	22	density	density	NOUN
ap-2041	21	23	decreases	decrease	VERB
ap-2041	21	24	,	,	PUNCT
ap-2041	21	25	so	so	SCONJ
ap-2041	21	26	that	that	SCONJ
ap-2041	21	27	the	the	DET
ap-2041	21	28	final	final	ADJ
ap-2041	21	29	fuel	fuel	NOUN
ap-2041	21	30	energy	energy	NOUN
ap-2041	21	31	density	density	NOUN
ap-2041	21	32	decreases	decrease	VERB
ap-2041	21	33	as	as	ADP
ap-2041	21	34	the	the	DET
ap-2041	21	35	proportion	proportion	NOUN
ap-2041	21	36	of	of	ADP
ap-2041	21	37	hydrogen	hydrogen	NOUN
ap-2041	21	38	increases	increase	NOUN
ap-2041	21	39	.	.	PUNCT
ap-2041	22	1	the	the	DET
ap-2041	22	2	next	next	ADJ
ap-2041	22	3	section	section	NOUN
ap-2041	22	4	of	of	ADP
ap-2041	22	5	the	the	DET
ap-2041	22	6	paper	paper	NOUN
ap-2041	22	7	presents	present	VERB
ap-2041	22	8	experimental	experimental	ADJ
ap-2041	22	9	results	result	NOUN
ap-2041	22	10	obtained	obtain	VERB
ap-2041	22	11	from	from	ADP
ap-2041	22	12	a	a	DET
ap-2041	22	13	lombardini	lombardini	ADJ
ap-2041	22	14	lgw702	lgw702	PROPN
ap-2041	22	15	sparkignition	sparkignition	NOUN
ap-2041	22	16	engine	engine	NOUN
ap-2041	22	17	,	,	PUNCT
ap-2041	22	18	which	which	PRON
ap-2041	22	19	was	be	AUX
ap-2041	22	20	used	use	VERB
ap-2041	22	21	as	as	ADP
ap-2041	22	22	a	a	DET
ap-2041	22	23	power	power	NOUN
ap-2041	22	24	-	-	PUNCT
ap-2041	22	25	generator	generator	NOUN
ap-2041	22	26	in	in	ADP
ap-2041	22	27	a	a	DET
ap-2041	22	28	micro	micro	ADJ
ap-2041	22	29	-	-	ADJ
ap-2041	22	30	cogeneration	cogeneration	ADJ
ap-2041	22	31	unit	unit	NOUN
ap-2041	22	32	operating	operate	VERB
ap-2041	22	33	on	on	ADP
ap-2041	22	34	natural	natural	ADJ
ap-2041	22	35	gas	gas	NOUN
ap-2041	23	1	[	[	X
ap-2041	23	2	4	4	NUM
ap-2041	23	3	]	]	PUNCT
ap-2041	23	4	.	.	PUNCT
ap-2041	24	1	10	10	NUM
ap-2041	24	2	http://dx.doi.org/10.14311/ap.2014.54.0010	http://dx.doi.org/10.14311/ap.2014.54.0010	NOUN
ap-2041	24	3	http://ojs.cvut.cz/ojs/index.php/ap	http://ojs.cvut.cz/ojs/index.php/ap	PROPN
ap-2041	24	4	vol	vol	NOUN
ap-2041	24	5	.	.	PUNCT
ap-2041	25	1	54	54	NUM
ap-2041	25	2	no	no	NOUN
ap-2041	25	3	.	.	PUNCT
ap-2041	25	4	1/2014	1/2014	PROPN
ap-2041	26	1	the	the	DET
ap-2041	26	2	effect	effect	NOUN
ap-2041	26	3	of	of	ADP
ap-2041	26	4	adding	add	VERB
ap-2041	26	5	hydrogen	hydrogen	NOUN
ap-2041	26	6	figure	figure	NOUN
ap-2041	26	7	1	1	NUM
ap-2041	26	8	.	.	PUNCT
ap-2041	26	9	delay	delay	NOUN
ap-2041	26	10	of	of	ADP
ap-2041	26	11	ignition	ignition	NOUN
ap-2041	26	12	values	value	NOUN
ap-2041	26	13	(	(	PUNCT
ap-2041	26	14	αdelay	αdelay	NOUN
ap-2041	26	15	)	)	PUNCT
ap-2041	26	16	for	for	ADP
ap-2041	26	17	various	various	ADJ
ap-2041	26	18	mixture	mixture	NOUN
ap-2041	26	19	compositions	composition	NOUN
ap-2041	26	20	(	(	PUNCT
ap-2041	26	21	h2ng0	h2ng0	ADJ
ap-2041	26	22	–	–	PUNCT
ap-2041	26	23	h2ng50	h2ng50	NOUN
ap-2041	26	24	)	)	PUNCT
ap-2041	26	25	,	,	PUNCT
ap-2041	26	26	with	with	ADP
ap-2041	26	27	indicated	indicate	VERB
ap-2041	26	28	line	line	NOUN
ap-2041	26	29	equation	equation	NOUN
ap-2041	26	30	and	and	CCONJ
ap-2041	26	31	coefficient	coefficient	NOUN
ap-2041	26	32	of	of	ADP
ap-2041	26	33	reliability	reliability	NOUN
ap-2041	26	34	(	(	PUNCT
ap-2041	26	35	full	full	ADJ
ap-2041	26	36	load	load	NOUN
ap-2041	26	37	,	,	PUNCT
ap-2041	26	38	revolutions	revolution	NOUN
ap-2041	26	39	1500min−1	1500min−1	NUM
ap-2041	26	40	,	,	PUNCT
ap-2041	26	41	advance	advance	NOUN
ap-2041	26	42	of	of	ADP
ap-2041	26	43	ignition	ignition	NOUN
ap-2041	26	44	33.5	33.5	NUM
ap-2041	26	45	°	°	NOUN
ap-2041	26	46	ca	ca	NOUN
ap-2041	26	47	btdc	btdc	NOUN
ap-2041	26	48	,	,	PUNCT
ap-2041	26	49	stoichiometric	stoichiometric	ADJ
ap-2041	26	50	air	air	NOUN
ap-2041	26	51	-	-	PUNCT
ap-2041	26	52	fuel	fuel	NOUN
ap-2041	26	53	mixture	mixture	NOUN
ap-2041	26	54	)	)	PUNCT
ap-2041	26	55	.	.	PUNCT
ap-2041	27	1	parameter	parameter	PROPN
ap-2041	27	2	unit	unit	PROPN
ap-2041	28	1	h2ng0	h2ng0	ADV
ap-2041	28	2	h2ng10	h2ng10	PROPN
ap-2041	28	3	h2ng20	h2ng20	VERB
ap-2041	28	4	h2ng30	h2ng30	PRON
ap-2041	28	5	h2ng40	h2ng40	NOUN
ap-2041	28	6	h2ng50	h2ng50	PROPN
ap-2041	28	7	ng	ng	PROPN
ap-2041	28	8	/	/	SYM
ap-2041	28	9	h2	h2	PROPN
ap-2041	29	1	[	[	X
ap-2041	29	2	%	%	INTJ
ap-2041	29	3	vol	vol	NOUN
ap-2041	29	4	.	.	PUNCT
ap-2041	29	5	]	]	PUNCT
ap-2041	30	1	100/0	100/0	NUM
ap-2041	30	2	90/10	90/10	NUM
ap-2041	30	3	80/20	80/20	NUM
ap-2041	30	4	70/30	70/30	NUM
ap-2041	30	5	60/40	60/40	NUM
ap-2041	30	6	50/50	50/50	NUM
ap-2041	30	7	lower	low	ADJ
ap-2041	30	8	heating	heating	NOUN
ap-2041	30	9	value	value	NOUN
ap-2041	30	10	[	[	X
ap-2041	30	11	kj	kj	PROPN
ap-2041	30	12	kg−1	kg−1	PROPN
ap-2041	30	13	]	]	PUNCT
ap-2041	30	14	48729	48729	NUM
ap-2041	30	15	49670	49670	NUM
ap-2041	30	16	50812	50812	NUM
ap-2041	30	17	52227	52227	NUM
ap-2041	30	18	54025	54025	NUM
ap-2041	30	19	56388	56388	NUM
ap-2041	30	20	density	density	NOUN
ap-2041	30	21	[	[	X
ap-2041	30	22	kgm−3	kgm−3	X
ap-2041	30	23	]	]	X
ap-2041	30	24	0.705	0.705	NUM
ap-2041	30	25	0.643	0.643	NUM
ap-2041	30	26	0.582	0.582	NUM
ap-2041	30	27	0.520	0.520	NUM
ap-2041	30	28	0.459	0.459	NUM
ap-2041	30	29	0.397	0.397	NUM
ap-2041	30	30	molar	molar	ADJ
ap-2041	30	31	mass	mass	NOUN
ap-2041	31	1	[	[	X
ap-2041	31	2	kg	kg	X
ap-2041	31	3	kmol−1	kmol−1	NOUN
ap-2041	31	4	]	]	PUNCT
ap-2041	31	5	16.73	16.73	NUM
ap-2041	31	6	15.26	15.26	NUM
ap-2041	31	7	13.79	13.79	NUM
ap-2041	31	8	12.32	12.32	NUM
ap-2041	31	9	10.85	10.85	NUM
ap-2041	31	10	9.37	9.37	NUM
ap-2041	31	11	air	air	NOUN
ap-2041	31	12	to	to	PART
ap-2041	31	13	fuel	fuel	VERB
ap-2041	31	14	ratio	ratio	NOUN
ap-2041	32	1	[	[	X
ap-2041	32	2	kg	kg	X
ap-2041	32	3	kg−1	kg−1	X
ap-2041	32	4	]	]	X
ap-2041	32	5	16.96	16.96	NUM
ap-2041	32	6	17.19	17.19	NUM
ap-2041	32	7	17.47	17.47	NUM
ap-2041	32	8	17.82	17.82	NUM
ap-2041	32	9	18.26	18.26	NUM
ap-2041	32	10	18.84	18.84	NUM
ap-2041	32	11	table	table	NOUN
ap-2041	32	12	1	1	NUM
ap-2041	32	13	.	.	PUNCT
ap-2041	32	14	basic	basic	ADJ
ap-2041	32	15	physical	physical	ADJ
ap-2041	32	16	-	-	PUNCT
ap-2041	32	17	chemical	chemical	NOUN
ap-2041	32	18	properties	property	NOUN
ap-2041	32	19	of	of	ADP
ap-2041	32	20	fuel	fuel	NOUN
ap-2041	32	21	mixtures	mixture	NOUN
ap-2041	32	22	.	.	PUNCT
ap-2041	33	1	2	2	X
ap-2041	33	2	.	.	X
ap-2041	33	3	experimental	experimental	ADJ
ap-2041	33	4	measurements	measurement	NOUN
ap-2041	33	5	and	and	CCONJ
ap-2041	33	6	results	result	NOUN
ap-2041	33	7	to	to	PART
ap-2041	33	8	reduce	reduce	VERB
ap-2041	33	9	operating	operating	NOUN
ap-2041	33	10	costs	cost	NOUN
ap-2041	33	11	(	(	PUNCT
ap-2041	33	12	fuel	fuel	NOUN
ap-2041	33	13	consumption	consumption	NOUN
ap-2041	33	14	)	)	PUNCT
ap-2041	33	15	,	,	PUNCT
ap-2041	33	16	the	the	DET
ap-2041	33	17	experimental	experimental	ADJ
ap-2041	33	18	measurements	measurement	NOUN
ap-2041	33	19	necessary	necessary	ADJ
ap-2041	33	20	for	for	ADP
ap-2041	33	21	basic	basic	ADJ
ap-2041	33	22	fuel	fuel	NOUN
ap-2041	33	23	analyses	analysis	NOUN
ap-2041	33	24	were	be	AUX
ap-2041	33	25	performed	perform	VERB
ap-2041	33	26	on	on	ADP
ap-2041	33	27	a	a	DET
ap-2041	33	28	lombardini	lombardini	ADJ
ap-2041	33	29	lgw	lgw	PROPN
ap-2041	33	30	702	702	NUM
ap-2041	33	31	internal	internal	ADJ
ap-2041	33	32	combustion	combustion	NOUN
ap-2041	33	33	engine	engine	NOUN
ap-2041	33	34	.	.	PUNCT
ap-2041	34	1	the	the	DET
ap-2041	34	2	engine	engine	NOUN
ap-2041	34	3	is	be	AUX
ap-2041	34	4	a	a	DET
ap-2041	34	5	doublecylinder	doublecylinder	NOUN
ap-2041	34	6	water	water	NOUN
ap-2041	34	7	-	-	PUNCT
ap-2041	34	8	cooled	cool	VERB
ap-2041	34	9	petrol	petrol	NOUN
ap-2041	34	10	engine	engine	NOUN
ap-2041	34	11	with	with	ADP
ap-2041	34	12	a	a	DET
ap-2041	34	13	swept	sweep	VERB
ap-2041	34	14	volume	volume	NOUN
ap-2041	34	15	of	of	ADP
ap-2041	34	16	686	686	NUM
ap-2041	34	17	cm3	cm3	NOUN
ap-2041	34	18	.	.	PUNCT
ap-2041	35	1	the	the	DET
ap-2041	35	2	mixture	mixture	NOUN
ap-2041	35	3	is	be	AUX
ap-2041	35	4	prepared	prepare	VERB
ap-2041	35	5	by	by	ADP
ap-2041	35	6	a	a	DET
ap-2041	35	7	mixer	mixer	NOUN
ap-2041	35	8	with	with	ADP
ap-2041	35	9	a	a	DET
ap-2041	35	10	diffuser	diffuser	NOUN
ap-2041	35	11	to	to	PART
ap-2041	35	12	control	control	VERB
ap-2041	35	13	the	the	DET
ap-2041	35	14	richness	richness	NOUN
ap-2041	35	15	of	of	ADP
ap-2041	35	16	the	the	DET
ap-2041	35	17	mixture	mixture	NOUN
ap-2041	35	18	,	,	PUNCT
ap-2041	35	19	with	with	ADP
ap-2041	35	20	the	the	DET
ap-2041	35	21	help	help	NOUN
ap-2041	35	22	of	of	ADP
ap-2041	35	23	the	the	DET
ap-2041	35	24	voila	voila	PROPN
ap-2041	35	25	electronic	electronic	PROPN
ap-2041	35	26	control	control	PROPN
ap-2041	35	27	unit	unit	NOUN
ap-2041	35	28	.	.	PUNCT
ap-2041	36	1	the	the	DET
ap-2041	36	2	engine	engine	NOUN
ap-2041	36	3	is	be	AUX
ap-2041	36	4	equipped	equip	VERB
ap-2041	36	5	with	with	ADP
ap-2041	36	6	an	an	DET
ap-2041	36	7	ignition	ignition	NOUN
ap-2041	36	8	system	system	NOUN
ap-2041	36	9	with	with	ADP
ap-2041	36	10	manually	manually	ADV
ap-2041	36	11	adjustable	adjustable	ADJ
ap-2041	36	12	advance	advance	NOUN
ap-2041	36	13	of	of	ADP
ap-2041	36	14	ignition	ignition	NOUN
ap-2041	36	15	.	.	PUNCT
ap-2041	37	1	the	the	DET
ap-2041	37	2	spark	spark	NOUN
ap-2041	37	3	plug	plug	NOUN
ap-2041	37	4	is	be	AUX
ap-2041	37	5	equipped	equip	VERB
ap-2041	37	6	with	with	ADP
ap-2041	37	7	a	a	DET
ap-2041	37	8	kistler	kistler	NOUN
ap-2041	37	9	piezoelectric	piezoelectric	NOUN
ap-2041	37	10	pressure	pressure	NOUN
ap-2041	37	11	sensor	sensor	NOUN
ap-2041	37	12	,	,	PUNCT
ap-2041	37	13	which	which	PRON
ap-2041	37	14	is	be	AUX
ap-2041	37	15	able	able	ADJ
ap-2041	37	16	to	to	PART
ap-2041	37	17	record	record	VERB
ap-2041	37	18	the	the	DET
ap-2041	37	19	dynamic	dynamic	ADJ
ap-2041	37	20	process	process	NOUN
ap-2041	37	21	pressure	pressure	NOUN
ap-2041	37	22	in	in	ADP
ap-2041	37	23	the	the	DET
ap-2041	37	24	combustion	combustion	NOUN
ap-2041	37	25	chamber	chamber	NOUN
ap-2041	37	26	.	.	PUNCT
ap-2041	38	1	the	the	DET
ap-2041	38	2	pressure	pressure	NOUN
ap-2041	38	3	was	be	AUX
ap-2041	38	4	corrected	correct	VERB
ap-2041	38	5	to	to	ADP
ap-2041	38	6	its	its	PRON
ap-2041	38	7	absolute	absolute	ADJ
ap-2041	38	8	value	value	NOUN
ap-2041	38	9	via	via	ADP
ap-2041	38	10	the	the	DET
ap-2041	38	11	reference	reference	NOUN
ap-2041	38	12	pressure	pressure	NOUN
ap-2041	38	13	in	in	ADP
ap-2041	38	14	the	the	DET
ap-2041	38	15	intake	intake	NOUN
ap-2041	38	16	manifold	manifold	NOUN
ap-2041	38	17	in	in	ADP
ap-2041	38	18	the	the	DET
ap-2041	38	19	area	area	NOUN
ap-2041	38	20	of	of	ADP
ap-2041	38	21	the	the	DET
ap-2041	38	22	bottom	bottom	ADJ
ap-2041	38	23	dead	dead	ADJ
ap-2041	38	24	centre	centre	NOUN
ap-2041	38	25	(	(	PUNCT
ap-2041	38	26	bdc	bdc	NOUN
ap-2041	38	27	)	)	PUNCT
ap-2041	38	28	at	at	ADP
ap-2041	38	29	the	the	DET
ap-2041	38	30	time	time	NOUN
ap-2041	38	31	of	of	ADP
ap-2041	38	32	the	the	DET
ap-2041	38	33	intake	intake	NOUN
ap-2041	38	34	stroke	stroke	PROPN
ap-2041	38	35	.	.	PUNCT
ap-2041	39	1	the	the	DET
ap-2041	39	2	pressure	pressure	NOUN
ap-2041	39	3	was	be	AUX
ap-2041	39	4	measured	measure	VERB
ap-2041	39	5	with	with	ADP
ap-2041	39	6	a	a	DET
ap-2041	39	7	piezoresistive	piezoresistive	ADJ
ap-2041	39	8	sensor	sensor	NOUN
ap-2041	39	9	.	.	PUNCT
ap-2041	40	1	the	the	DET
ap-2041	40	2	resulting	result	VERB
ap-2041	40	3	pressure	pressure	NOUN
ap-2041	40	4	signals	signal	NOUN
ap-2041	40	5	,	,	PUNCT
ap-2041	40	6	together	together	ADV
ap-2041	40	7	with	with	ADP
ap-2041	40	8	the	the	DET
ap-2041	40	9	signal	signal	NOUN
ap-2041	40	10	giving	give	VERB
ap-2041	40	11	the	the	DET
ap-2041	40	12	position	position	NOUN
ap-2041	40	13	of	of	ADP
ap-2041	40	14	the	the	DET
ap-2041	40	15	top	top	ADJ
ap-2041	40	16	dead	dead	ADJ
ap-2041	40	17	centre	centre	NOUN
ap-2041	40	18	(	(	PUNCT
ap-2041	40	19	tdc	tdc	PROPN
ap-2041	40	20	)	)	PUNCT
ap-2041	40	21	and	and	CCONJ
ap-2041	40	22	the	the	DET
ap-2041	40	23	signal	signal	NOUN
ap-2041	40	24	of	of	ADP
ap-2041	40	25	the	the	DET
ap-2041	40	26	spark	spark	NOUN
ap-2041	40	27	plug	plug	NOUN
ap-2041	40	28	,	,	PUNCT
ap-2041	40	29	were	be	AUX
ap-2041	40	30	processed	process	VERB
ap-2041	40	31	in	in	ADP
ap-2041	40	32	a	a	DET
ap-2041	40	33	special	special	ADJ
ap-2041	40	34	program	program	NOUN
ap-2041	40	35	generated	generate	VERB
ap-2041	40	36	in	in	ADP
ap-2041	40	37	matlab	matlab	PROPN
ap-2041	40	38	.	.	PUNCT
ap-2041	41	1	a	a	DET
ap-2041	41	2	total	total	NOUN
ap-2041	41	3	of	of	ADP
ap-2041	41	4	190	190	NUM
ap-2041	41	5	recording	recording	NOUN
ap-2041	41	6	cycles	cycle	NOUN
ap-2041	41	7	were	be	AUX
ap-2041	41	8	later	later	ADV
ap-2041	41	9	analysed	analyse	VERB
ap-2041	41	10	.	.	PUNCT
ap-2041	42	1	the	the	DET
ap-2041	42	2	measurements	measurement	NOUN
ap-2041	42	3	on	on	ADP
ap-2041	42	4	the	the	DET
ap-2041	42	5	internal	internal	ADJ
ap-2041	42	6	combustion	combustion	NOUN
ap-2041	42	7	engine	engine	NOUN
ap-2041	42	8	were	be	AUX
ap-2041	42	9	performed	perform	VERB
ap-2041	42	10	within	within	ADP
ap-2041	42	11	the	the	DET
ap-2041	42	12	whole	whole	ADJ
ap-2041	42	13	range	range	NOUN
ap-2041	42	14	of	of	ADP
ap-2041	42	15	revolutions	revolution	NOUN
ap-2041	42	16	,	,	PUNCT
ap-2041	42	17	i.e.	i.e.	X
ap-2041	42	18	for	for	ADP
ap-2041	42	19	various	various	ADJ
ap-2041	42	20	advances	advance	NOUN
ap-2041	42	21	of	of	ADP
ap-2041	42	22	ignition	ignition	NOUN
ap-2041	42	23	and	and	CCONJ
ap-2041	42	24	various	various	ADJ
ap-2041	42	25	compositions	composition	NOUN
ap-2041	42	26	of	of	ADP
ap-2041	42	27	mixtures	mixture	NOUN
ap-2041	42	28	of	of	ADP
ap-2041	42	29	natural	natural	ADJ
ap-2041	42	30	gas	gas	NOUN
ap-2041	42	31	with	with	ADP
ap-2041	42	32	hydrogen	hydrogen	NOUN
ap-2041	42	33	(	(	PUNCT
ap-2041	42	34	from	from	ADP
ap-2041	42	35	0	0	NUM
ap-2041	42	36	to	to	ADP
ap-2041	42	37	50	50	NUM
ap-2041	42	38	%	%	NOUN
ap-2041	42	39	vol	vol	NOUN
ap-2041	42	40	.	.	PUNCT
ap-2041	43	1	h2	h2	PROPN
ap-2041	43	2	)	)	PUNCT
ap-2041	43	3	.	.	PUNCT
ap-2041	44	1	figure	figure	NOUN
ap-2041	44	2	1	1	NUM
ap-2041	44	3	shows	show	VERB
ap-2041	44	4	the	the	DET
ap-2041	44	5	delay	delay	NOUN
ap-2041	44	6	of	of	ADP
ap-2041	44	7	ignition	ignition	NOUN
ap-2041	44	8	at	at	ADP
ap-2041	44	9	revolutions	revolution	NOUN
ap-2041	44	10	1500min−1	1500min−1	NUM
ap-2041	44	11	for	for	ADP
ap-2041	44	12	various	various	ADJ
ap-2041	44	13	compositions	composition	NOUN
ap-2041	44	14	of	of	ADP
ap-2041	44	15	h2ng	h2ng	X
ap-2041	44	16	mixture	mixture	NOUN
ap-2041	44	17	.	.	PUNCT
ap-2041	45	1	the	the	DET
ap-2041	45	2	ignition	ignition	NOUN
ap-2041	45	3	delay	delay	NOUN
ap-2041	45	4	was	be	AUX
ap-2041	45	5	determined	determine	VERB
ap-2041	45	6	as	as	ADP
ap-2041	45	7	the	the	DET
ap-2041	45	8	period	period	NOUN
ap-2041	45	9	between	between	ADP
ap-2041	45	10	the	the	DET
ap-2041	45	11	moment	moment	NOUN
ap-2041	45	12	of	of	ADP
ap-2041	45	13	initial	initial	ADJ
ap-2041	45	14	sparking	sparking	NOUN
ap-2041	45	15	and	and	CCONJ
ap-2041	45	16	the	the	DET
ap-2041	45	17	moment	moment	NOUN
ap-2041	45	18	when	when	SCONJ
ap-2041	45	19	the	the	DET
ap-2041	45	20	combustion	combustion	NOUN
ap-2041	45	21	curve	curve	NOUN
ap-2041	45	22	deviated	deviate	VERB
ap-2041	45	23	from	from	ADP
ap-2041	45	24	the	the	DET
ap-2041	45	25	compression	compression	NOUN
ap-2041	45	26	curve	curve	NOUN
ap-2041	45	27	.	.	PUNCT
ap-2041	46	1	the	the	DET
ap-2041	46	2	greatest	great	ADJ
ap-2041	46	3	delay	delay	NOUN
ap-2041	46	4	of	of	ADP
ap-2041	46	5	ignition	ignition	NOUN
ap-2041	46	6	was	be	AUX
ap-2041	46	7	the	the	DET
ap-2041	46	8	delay	delay	NOUN
ap-2041	46	9	from	from	ADP
ap-2041	46	10	burning	burn	VERB
ap-2041	46	11	pure	pure	ADJ
ap-2041	46	12	natural	natural	ADJ
ap-2041	46	13	gas	gas	NOUN
ap-2041	46	14	(	(	PUNCT
ap-2041	46	15	h2ng0	h2ng0	ADV
ap-2041	46	16	)	)	PUNCT
ap-2041	46	17	,	,	PUNCT
ap-2041	46	18	namely	namely	ADV
ap-2041	46	19	12.7	12.7	NUM
ap-2041	46	20	°	°	NOUN
ap-2041	46	21	ca	ca	PROPN
ap-2041	46	22	,	,	PUNCT
ap-2041	46	23	which	which	PRON
ap-2041	46	24	represents	represent	VERB
ap-2041	46	25	1.4ms	1.4ms	PROPN
ap-2041	46	26	on	on	ADP
ap-2041	46	27	the	the	DET
ap-2041	46	28	time	time	NOUN
ap-2041	46	29	axis	axis	NOUN
ap-2041	46	30	.	.	PUNCT
ap-2041	47	1	when	when	SCONJ
ap-2041	47	2	the	the	DET
ap-2041	47	3	proportion	proportion	NOUN
ap-2041	47	4	of	of	ADP
ap-2041	47	5	hydrogen	hydrogen	NOUN
ap-2041	47	6	increases	increase	NOUN
ap-2041	47	7	,	,	PUNCT
ap-2041	47	8	this	this	DET
ap-2041	47	9	period	period	NOUN
ap-2041	47	10	is	be	AUX
ap-2041	47	11	reduced	reduce	VERB
ap-2041	47	12	,	,	PUNCT
ap-2041	47	13	and	and	CCONJ
ap-2041	47	14	combustion	combustion	NOUN
ap-2041	47	15	of	of	ADP
ap-2041	47	16	the	the	DET
ap-2041	47	17	h2ng50	h2ng50	NOUN
ap-2041	47	18	mixture	mixture	NOUN
ap-2041	47	19	(	(	PUNCT
ap-2041	47	20	50	50	NUM
ap-2041	47	21	%	%	NOUN
ap-2041	47	22	ng	ng	NOUN
ap-2041	47	23	,	,	PUNCT
ap-2041	47	24	50	50	NUM
ap-2041	47	25	%	%	NOUN
ap-2041	47	26	h2	h2	NOUN
ap-2041	47	27	)	)	PUNCT
ap-2041	47	28	leads	lead	VERB
ap-2041	47	29	to	to	ADP
ap-2041	47	30	a	a	DET
ap-2041	47	31	reduction	reduction	NOUN
ap-2041	47	32	of	of	ADP
ap-2041	47	33	this	this	DET
ap-2041	47	34	period	period	NOUN
ap-2041	47	35	up	up	ADP
ap-2041	47	36	to	to	ADP
ap-2041	47	37	approximately	approximately	ADV
ap-2041	47	38	half	half	NOUN
ap-2041	47	39	of	of	ADP
ap-2041	47	40	the	the	DET
ap-2041	47	41	original	original	ADJ
ap-2041	47	42	value	value	NOUN
ap-2041	47	43	(	(	PUNCT
ap-2041	47	44	5.8	5.8	NUM
ap-2041	47	45	°	°	NOUN
ap-2041	47	46	ca	ca	NOUN
ap-2041	47	47	)	)	PUNCT
ap-2041	47	48	,	,	PUNCT
ap-2041	47	49	which	which	PRON
ap-2041	47	50	is	be	AUX
ap-2041	47	51	approx11	approx11	PROPN
ap-2041	47	52	a.	a.	PROPN
ap-2041	47	53	chríbik	chríbik	PROPN
ap-2041	47	54	,	,	PUNCT
ap-2041	47	55	m.	m.	NOUN
ap-2041	47	56	polóni	polóni	PROPN
ap-2041	47	57	,	,	PUNCT
ap-2041	47	58	j.	j.	PROPN
ap-2041	47	59	lach	lach	PROPN
ap-2041	47	60	,	,	PUNCT
ap-2041	47	61	b.	b.	PROPN
ap-2041	47	62	ragan	ragan	PROPN
ap-2041	47	63	acta	acta	PROPN
ap-2041	47	64	polytechnica	polytechnica	PROPN
ap-2041	47	65	figure	figure	NOUN
ap-2041	47	66	2	2	NUM
ap-2041	47	67	.	.	PUNCT
ap-2041	48	1	values	value	NOUN
ap-2041	48	2	of	of	ADP
ap-2041	48	3	maximum	maximum	ADJ
ap-2041	48	4	pressure	pressure	NOUN
ap-2041	48	5	(	(	PUNCT
ap-2041	48	6	pmax	pmax	NOUN
ap-2041	48	7	)	)	PUNCT
ap-2041	48	8	in	in	ADP
ap-2041	48	9	the	the	DET
ap-2041	48	10	combustion	combustion	NOUN
ap-2041	48	11	chamber	chamber	NOUN
ap-2041	48	12	and	and	CCONJ
ap-2041	48	13	their	their	PRON
ap-2041	48	14	position	position	NOUN
ap-2041	48	15	(	(	PUNCT
ap-2041	48	16	αpmax	αpmax	NOUN
ap-2041	48	17	)	)	PUNCT
ap-2041	48	18	,	,	PUNCT
ap-2041	48	19	indicating	indicate	VERB
ap-2041	48	20	the	the	DET
ap-2041	48	21	frequency	frequency	NOUN
ap-2041	48	22	of	of	ADP
ap-2041	48	23	repetitions	repetition	NOUN
ap-2041	48	24	(	(	PUNCT
ap-2041	48	25	full	full	ADJ
ap-2041	48	26	load	load	NOUN
ap-2041	48	27	,	,	PUNCT
ap-2041	48	28	revolutions	revolution	NOUN
ap-2041	48	29	1500min−1	1500min−1	NUM
ap-2041	48	30	,	,	PUNCT
ap-2041	48	31	advance	advance	NOUN
ap-2041	48	32	of	of	ADP
ap-2041	48	33	ignition	ignition	NOUN
ap-2041	48	34	33.5	33.5	NUM
ap-2041	48	35	°	°	NOUN
ap-2041	48	36	ca	ca	NOUN
ap-2041	48	37	btdc	btdc	NOUN
ap-2041	48	38	,	,	PUNCT
ap-2041	48	39	stoichiometric	stoichiometric	ADJ
ap-2041	48	40	air	air	NOUN
ap-2041	48	41	-	-	PUNCT
ap-2041	48	42	fuel	fuel	NOUN
ap-2041	48	43	mixture	mixture	NOUN
ap-2041	48	44	)	)	PUNCT
ap-2041	48	45	.	.	PUNCT
ap-2041	49	1	imately	imately	ADV
ap-2041	49	2	0.64ms	0.64ms	NOUN
ap-2041	49	3	.	.	PUNCT
ap-2041	50	1	the	the	DET
ap-2041	50	2	correlation	correlation	NOUN
ap-2041	50	3	between	between	ADP
ap-2041	50	4	the	the	DET
ap-2041	50	5	delay	delay	NOUN
ap-2041	50	6	of	of	ADP
ap-2041	50	7	ignition	ignition	NOUN
ap-2041	50	8	and	and	CCONJ
ap-2041	50	9	the	the	DET
ap-2041	50	10	proportion	proportion	NOUN
ap-2041	50	11	of	of	ADP
ap-2041	50	12	hydrogen	hydrogen	NOUN
ap-2041	50	13	in	in	ADP
ap-2041	50	14	the	the	DET
ap-2041	50	15	mixture	mixture	NOUN
ap-2041	50	16	is	be	AUX
ap-2041	50	17	strongly	strongly	ADV
ap-2041	50	18	negative	negative	ADJ
ap-2041	50	19	and	and	CCONJ
ap-2041	50	20	almost	almost	ADV
ap-2041	50	21	linear	linear	ADJ
ap-2041	50	22	(	(	PUNCT
ap-2041	50	23	correlation	correlation	NOUN
ap-2041	50	24	coefficient	coefficient	NOUN
ap-2041	50	25	r	r	NOUN
ap-2041	50	26	=	=	SYM
ap-2041	50	27	−0.99743	−0.99743	NUM
ap-2041	50	28	)	)	PUNCT
ap-2041	50	29	.	.	PUNCT
ap-2041	51	1	subsequent	subsequent	ADJ
ap-2041	51	2	connection	connection	NOUN
ap-2041	51	3	of	of	ADP
ap-2041	51	4	the	the	DET
ap-2041	51	5	points	point	NOUN
ap-2041	51	6	by	by	ADP
ap-2041	51	7	a	a	DET
ap-2041	51	8	straight	straight	ADJ
ap-2041	51	9	line	line	NOUN
ap-2041	51	10	creates	create	VERB
ap-2041	51	11	an	an	DET
ap-2041	51	12	equation	equation	NOUN
ap-2041	51	13	of	of	ADP
ap-2041	51	14	the	the	DET
ap-2041	51	15	line	line	NOUN
ap-2041	51	16	that	that	PRON
ap-2041	51	17	has	have	VERB
ap-2041	51	18	the	the	DET
ap-2041	51	19	confidence	confidence	NOUN
ap-2041	51	20	coefficient	coefficient	NOUN
ap-2041	51	21	r2	r2	NOUN
ap-2041	51	22	=	=	SYM
ap-2041	51	23	0.9949	0.9949	NUM
ap-2041	51	24	.	.	PUNCT
ap-2041	52	1	the	the	DET
ap-2041	52	2	pressure	pressure	NOUN
ap-2041	52	3	development	development	NOUN
ap-2041	52	4	data	datum	NOUN
ap-2041	52	5	that	that	PRON
ap-2041	52	6	were	be	AUX
ap-2041	52	7	obtained	obtain	VERB
ap-2041	52	8	can	can	AUX
ap-2041	52	9	indicate	indicate	VERB
ap-2041	52	10	the	the	DET
ap-2041	52	11	characteristics	characteristic	NOUN
ap-2041	52	12	of	of	ADP
ap-2041	52	13	the	the	DET
ap-2041	52	14	operation	operation	NOUN
ap-2041	52	15	of	of	ADP
ap-2041	52	16	the	the	DET
ap-2041	52	17	internal	internal	ADJ
ap-2041	52	18	combustion	combustion	NOUN
ap-2041	52	19	engine	engine	NOUN
ap-2041	52	20	(	(	PUNCT
ap-2041	52	21	variability	variability	NOUN
ap-2041	52	22	of	of	ADP
ap-2041	52	23	cycles	cycle	NOUN
ap-2041	52	24	)	)	PUNCT
ap-2041	52	25	,	,	PUNCT
ap-2041	52	26	which	which	PRON
ap-2041	52	27	is	be	AUX
ap-2041	52	28	most	most	ADV
ap-2041	52	29	often	often	ADV
ap-2041	52	30	expressed	express	VERB
ap-2041	52	31	by	by	ADP
ap-2041	52	32	the	the	DET
ap-2041	52	33	so	so	ADV
ap-2041	52	34	-	-	PUNCT
ap-2041	52	35	called	call	VERB
ap-2041	52	36	coefficient	coefficient	NOUN
ap-2041	52	37	of	of	ADP
ap-2041	52	38	variation	variation	NOUN
ap-2041	52	39	(	(	PUNCT
ap-2041	52	40	cov	cov	NOUN
ap-2041	52	41	)	)	PUNCT
ap-2041	52	42	.	.	PUNCT
ap-2041	53	1	the	the	DET
ap-2041	53	2	coefficient	coefficient	NOUN
ap-2041	53	3	of	of	ADP
ap-2041	53	4	variation	variation	NOUN
ap-2041	53	5	is	be	AUX
ap-2041	53	6	calculated	calculate	VERB
ap-2041	53	7	as	as	SCONJ
ap-2041	53	8	follows	follow	VERB
ap-2041	53	9	:	:	PUNCT
ap-2041	53	10	the	the	DET
ap-2041	53	11	actual	actual	ADJ
ap-2041	53	12	reduction	reduction	NOUN
ap-2041	53	13	in	in	ADP
ap-2041	53	14	cycle	cycle	NOUN
ap-2041	53	15	variability	variability	NOUN
ap-2041	53	16	contributes	contribute	VERB
ap-2041	53	17	to	to	ADP
ap-2041	53	18	improved	improved	ADJ
ap-2041	53	19	performance	performance	NOUN
ap-2041	53	20	for	for	ADP
ap-2041	53	21	the	the	DET
ap-2041	53	22	same	same	ADJ
ap-2041	53	23	fuel	fuel	NOUN
ap-2041	53	24	consumption	consumption	NOUN
ap-2041	53	25	.	.	PUNCT
ap-2041	54	1	as	as	ADP
ap-2041	54	2	the	the	DET
ap-2041	54	3	proportion	proportion	NOUN
ap-2041	54	4	of	of	ADP
ap-2041	54	5	h2	h2	NOUN
ap-2041	54	6	increases	increase	NOUN
ap-2041	54	7	,	,	PUNCT
ap-2041	54	8	the	the	DET
ap-2041	54	9	presence	presence	NOUN
ap-2041	54	10	of	of	ADP
ap-2041	54	11	hydrogen	hydrogen	NOUN
ap-2041	54	12	in	in	ADP
ap-2041	54	13	the	the	DET
ap-2041	54	14	fuel	fuel	NOUN
ap-2041	54	15	helps	help	VERB
ap-2041	54	16	to	to	PART
ap-2041	54	17	reduce	reduce	VERB
ap-2041	54	18	this	this	DET
ap-2041	54	19	coefficient	coefficient	NOUN
ap-2041	54	20	(	(	PUNCT
ap-2041	54	21	cov	cov	NOUN
ap-2041	54	22	)	)	PUNCT
ap-2041	54	23	.	.	PUNCT
ap-2041	55	1	this	this	PRON
ap-2041	55	2	will	will	AUX
ap-2041	55	3	be	be	AUX
ap-2041	55	4	discussed	discuss	VERB
ap-2041	55	5	below	below	ADV
ap-2041	55	6	.	.	PUNCT
ap-2041	56	1	figure	figure	NOUN
ap-2041	56	2	2	2	NUM
ap-2041	56	3	shows	show	VERB
ap-2041	56	4	the	the	DET
ap-2041	56	5	dependence	dependence	NOUN
ap-2041	56	6	of	of	ADP
ap-2041	56	7	the	the	DET
ap-2041	56	8	position	position	NOUN
ap-2041	56	9	of	of	ADP
ap-2041	56	10	maximum	maximum	ADJ
ap-2041	56	11	achieved	achieve	VERB
ap-2041	56	12	pressure	pressure	NOUN
ap-2041	56	13	in	in	ADP
ap-2041	56	14	the	the	DET
ap-2041	56	15	cylinder	cylinder	NOUN
ap-2041	56	16	and	and	CCONJ
ap-2041	56	17	the	the	DET
ap-2041	56	18	angle	angle	NOUN
ap-2041	56	19	at	at	ADP
ap-2041	56	20	which	which	PRON
ap-2041	56	21	this	this	DET
ap-2041	56	22	maximum	maximum	NOUN
ap-2041	56	23	is	be	AUX
ap-2041	56	24	achieved	achieve	VERB
ap-2041	56	25	,	,	PUNCT
ap-2041	56	26	for	for	ADP
ap-2041	56	27	various	various	ADJ
ap-2041	56	28	compositions	composition	NOUN
ap-2041	56	29	of	of	ADP
ap-2041	56	30	mixtures	mixture	NOUN
ap-2041	56	31	of	of	ADP
ap-2041	56	32	hydrogen	hydrogen	NOUN
ap-2041	56	33	with	with	ADP
ap-2041	56	34	natural	natural	ADJ
ap-2041	56	35	gas	gas	NOUN
ap-2041	56	36	when	when	SCONJ
ap-2041	56	37	the	the	DET
ap-2041	56	38	engine	engine	NOUN
ap-2041	56	39	operates	operate	VERB
ap-2041	56	40	at	at	ADP
ap-2041	56	41	revolutions	revolution	NOUN
ap-2041	56	42	1500min−1	1500min−1	NUM
ap-2041	56	43	.	.	PUNCT
ap-2041	57	1	it	it	PRON
ap-2041	57	2	also	also	ADV
ap-2041	57	3	shows	show	VERB
ap-2041	57	4	the	the	DET
ap-2041	57	5	frequency	frequency	NOUN
ap-2041	57	6	of	of	ADP
ap-2041	57	7	occurrence	occurrence	NOUN
ap-2041	57	8	(	(	PUNCT
ap-2041	57	9	histogram	histogram	NOUN
ap-2041	57	10	)	)	PUNCT
ap-2041	57	11	of	of	ADP
ap-2041	57	12	particular	particular	ADJ
ap-2041	57	13	pressure	pressure	NOUN
ap-2041	57	14	values	value	NOUN
ap-2041	57	15	at	at	ADP
ap-2041	57	16	a	a	DET
ap-2041	57	17	given	give	VERB
ap-2041	57	18	crankshaft	crankshaft	NOUN
ap-2041	57	19	angle	angle	NOUN
ap-2041	57	20	for	for	ADP
ap-2041	57	21	190	190	NUM
ap-2041	57	22	cycles	cycle	NOUN
ap-2041	57	23	.	.	PUNCT
ap-2041	58	1	as	as	ADP
ap-2041	58	2	the	the	DET
ap-2041	58	3	proportion	proportion	NOUN
ap-2041	58	4	of	of	ADP
ap-2041	58	5	hydrogen	hydrogen	NOUN
ap-2041	58	6	increases	increase	NOUN
ap-2041	58	7	,	,	PUNCT
ap-2041	58	8	the	the	DET
ap-2041	58	9	maximum	maximum	ADJ
ap-2041	58	10	pressure	pressure	NOUN
ap-2041	58	11	value	value	NOUN
ap-2041	58	12	also	also	ADV
ap-2041	58	13	increases	increase	VERB
ap-2041	58	14	,	,	PUNCT
ap-2041	58	15	and	and	CCONJ
ap-2041	58	16	the	the	DET
ap-2041	58	17	position	position	NOUN
ap-2041	58	18	of	of	ADP
ap-2041	58	19	this	this	DET
ap-2041	58	20	pressure	pressure	NOUN
ap-2041	58	21	is	be	AUX
ap-2041	58	22	lifted	lift	VERB
ap-2041	58	23	closer	close	ADV
ap-2041	58	24	to	to	ADP
ap-2041	58	25	tdc	tdc	PROPN
ap-2041	58	26	,	,	PUNCT
ap-2041	58	27	or	or	CCONJ
ap-2041	58	28	,	,	PUNCT
ap-2041	58	29	more	more	ADV
ap-2041	58	30	precisely	precisely	ADV
ap-2041	58	31	,	,	PUNCT
ap-2041	58	32	before	before	ADP
ap-2041	58	33	tdc	tdc	PROPN
ap-2041	58	34	,	,	PUNCT
ap-2041	58	35	at	at	ADP
ap-2041	58	36	an	an	DET
ap-2041	58	37	unchanged	unchanged	ADJ
ap-2041	58	38	angle	angle	NOUN
ap-2041	58	39	of	of	ADP
ap-2041	58	40	ignition	ignition	NOUN
ap-2041	58	41	advance	advance	NOUN
ap-2041	58	42	.	.	PUNCT
ap-2041	59	1	in	in	ADP
ap-2041	59	2	combusting	combust	VERB
ap-2041	59	3	natural	natural	ADJ
ap-2041	59	4	gas	gas	NOUN
ap-2041	59	5	,	,	PUNCT
ap-2041	59	6	the	the	DET
ap-2041	59	7	average	average	ADJ
ap-2041	59	8	value	value	NOUN
ap-2041	59	9	of	of	ADP
ap-2041	59	10	the	the	DET
ap-2041	59	11	maximum	maximum	ADJ
ap-2041	59	12	pressure	pressure	NOUN
ap-2041	59	13	is	be	AUX
ap-2041	59	14	6.73mpa	6.73mpa	NUM
ap-2041	59	15	at	at	ADP
ap-2041	59	16	an	an	DET
ap-2041	59	17	average	average	ADJ
ap-2041	59	18	angle	angle	NOUN
ap-2041	59	19	of	of	ADP
ap-2041	59	20	366.3	366.3	NUM
ap-2041	59	21	°	°	NOUN
ap-2041	59	22	ca	ca	NOUN
ap-2041	59	23	(	(	PUNCT
ap-2041	59	24	16	16	NUM
ap-2041	59	25	repetitions	repetition	NOUN
ap-2041	59	26	,	,	PUNCT
ap-2041	59	27	measuring	measure	VERB
ap-2041	59	28	value	value	NOUN
ap-2041	59	29	366.8	366.8	NUM
ap-2041	59	30	°	°	NOUN
ap-2041	59	31	ca	ca	NOUN
ap-2041	59	32	)	)	PUNCT
ap-2041	59	33	.	.	PUNCT
ap-2041	60	1	for	for	ADP
ap-2041	60	2	combusting	combusting	NOUN
ap-2041	60	3	mixtures	mixture	NOUN
ap-2041	60	4	containing	contain	VERB
ap-2041	60	5	50	50	NUM
ap-2041	60	6	%	%	NOUN
ap-2041	60	7	hydrogen	hydrogen	NOUN
ap-2041	60	8	(	(	PUNCT
ap-2041	60	9	h2ng50	h2ng50	NOUN
ap-2041	60	10	)	)	PUNCT
ap-2041	60	11	the	the	DET
ap-2041	60	12	mean	mean	ADJ
ap-2041	60	13	maximum	maximum	ADJ
ap-2041	60	14	pressure	pressure	NOUN
ap-2041	60	15	was	be	AUX
ap-2041	60	16	7.52mpa	7.52mpa	NUM
ap-2041	60	17	at	at	ADP
ap-2041	60	18	an	an	DET
ap-2041	60	19	average	average	ADJ
ap-2041	60	20	angle	angle	NOUN
ap-2041	60	21	of	of	ADP
ap-2041	60	22	360.5	360.5	NUM
ap-2041	60	23	°	°	NOUN
ap-2041	60	24	ca	ca	NOUN
ap-2041	60	25	(	(	PUNCT
ap-2041	60	26	32	32	NUM
ap-2041	60	27	repetitions	repetition	NOUN
ap-2041	60	28	at	at	ADP
ap-2041	60	29	360.4	360.4	NUM
ap-2041	60	30	°	°	NOUN
ap-2041	60	31	ca	ca	NOUN
ap-2041	60	32	)	)	PUNCT
ap-2041	60	33	.	.	PUNCT
ap-2041	61	1	the	the	DET
ap-2041	61	2	coefficient	coefficient	NOUN
ap-2041	61	3	of	of	ADP
ap-2041	61	4	variation	variation	NOUN
ap-2041	61	5	for	for	ADP
ap-2041	61	6	the	the	DET
ap-2041	61	7	h2ng0	h2ng0	ADJ
ap-2041	61	8	mixture	mixture	NOUN
ap-2041	61	9	was	be	AUX
ap-2041	61	10	5.23	5.23	NUM
ap-2041	61	11	%	%	NOUN
ap-2041	61	12	,	,	PUNCT
ap-2041	61	13	and	and	CCONJ
ap-2041	61	14	for	for	ADP
ap-2041	61	15	the	the	DET
ap-2041	61	16	h2ng50	h2ng50	NOUN
ap-2041	61	17	mixture	mixture	NOUN
ap-2041	61	18	the	the	DET
ap-2041	61	19	cov	cov	NOUN
ap-2041	61	20	was	be	AUX
ap-2041	61	21	0.894	0.894	NUM
ap-2041	61	22	%	%	NOUN
ap-2041	61	23	.	.	PUNCT
ap-2041	62	1	the	the	DET
ap-2041	62	2	graph	graph	NOUN
ap-2041	62	3	shows	show	VERB
ap-2041	62	4	that	that	SCONJ
ap-2041	62	5	there	there	PRON
ap-2041	62	6	is	be	VERB
ap-2041	62	7	a	a	DET
ap-2041	62	8	need	need	NOUN
ap-2041	62	9	for	for	ADP
ap-2041	62	10	regulation	regulation	NOUN
ap-2041	62	11	of	of	ADP
ap-2041	62	12	ignition	ignition	NOUN
ap-2041	62	13	advance	advance	NOUN
ap-2041	62	14	in	in	ADP
ap-2041	62	15	dependence	dependence	NOUN
ap-2041	62	16	on	on	ADP
ap-2041	62	17	the	the	DET
ap-2041	62	18	content	content	NOUN
ap-2041	62	19	of	of	ADP
ap-2041	62	20	hydrogen	hydrogen	NOUN
ap-2041	62	21	,	,	PUNCT
ap-2041	62	22	to	to	PART
ap-2041	62	23	achieve	achieve	VERB
ap-2041	62	24	the	the	DET
ap-2041	62	25	best	good	ADJ
ap-2041	62	26	possible	possible	ADJ
ap-2041	62	27	efficiency	efficiency	NOUN
ap-2041	62	28	.	.	PUNCT
ap-2041	63	1	admixing	admix	VERB
ap-2041	63	2	hydrogen	hydrogen	NOUN
ap-2041	63	3	to	to	ADP
ap-2041	63	4	the	the	DET
ap-2041	63	5	mixture	mixture	NOUN
ap-2041	63	6	increases	increase	VERB
ap-2041	63	7	the	the	DET
ap-2041	63	8	rate	rate	NOUN
ap-2041	63	9	of	of	ADP
ap-2041	63	10	fire	fire	NOUN
ap-2041	63	11	-	-	PUNCT
ap-2041	63	12	through	through	NOUN
ap-2041	63	13	of	of	ADP
ap-2041	63	14	the	the	DET
ap-2041	63	15	mixture	mixture	NOUN
ap-2041	63	16	,	,	PUNCT
ap-2041	63	17	which	which	PRON
ap-2041	63	18	leads	lead	VERB
ap-2041	63	19	to	to	ADP
ap-2041	63	20	a	a	DET
ap-2041	63	21	more	more	ADV
ap-2041	63	22	rapid	rapid	ADJ
ap-2041	63	23	increase	increase	NOUN
ap-2041	63	24	in	in	ADP
ap-2041	63	25	the	the	DET
ap-2041	63	26	pressure	pressure	NOUN
ap-2041	63	27	in	in	ADP
ap-2041	63	28	the	the	DET
ap-2041	63	29	combustion	combustion	NOUN
ap-2041	63	30	chamber	chamber	NOUN
ap-2041	63	31	.	.	PUNCT
ap-2041	64	1	figure	figure	NOUN
ap-2041	64	2	3	3	NUM
ap-2041	64	3	is	be	AUX
ap-2041	64	4	a	a	DET
ap-2041	64	5	three	three	NUM
ap-2041	64	6	-	-	PUNCT
ap-2041	64	7	axis	axis	NOUN
ap-2041	64	8	graph	graph	NOUN
ap-2041	64	9	of	of	ADP
ap-2041	64	10	the	the	DET
ap-2041	64	11	optimum	optimum	ADJ
ap-2041	64	12	ignition	ignition	NOUN
ap-2041	64	13	angle	angle	NOUN
ap-2041	64	14	of	of	ADP
ap-2041	64	15	spark	spark	NOUN
ap-2041	64	16	advance	advance	NOUN
ap-2041	64	17	to	to	PART
ap-2041	64	18	achieve	achieve	VERB
ap-2041	64	19	maximum	maximum	ADJ
ap-2041	64	20	torque	torque	NOUN
ap-2041	64	21	,	,	PUNCT
ap-2041	64	22	depending	depend	VERB
ap-2041	64	23	on	on	ADP
ap-2041	64	24	the	the	DET
ap-2041	64	25	ratio	ratio	NOUN
ap-2041	64	26	of	of	ADP
ap-2041	64	27	hydrogen	hydrogen	NOUN
ap-2041	64	28	mixed	mix	VERB
ap-2041	64	29	with	with	ADP
ap-2041	64	30	natural	natural	ADJ
ap-2041	64	31	gas	gas	NOUN
ap-2041	64	32	within	within	ADP
ap-2041	64	33	the	the	DET
ap-2041	64	34	entire	entire	ADJ
ap-2041	64	35	speed	speed	NOUN
ap-2041	64	36	range	range	NOUN
ap-2041	64	37	.	.	PUNCT
ap-2041	65	1	while	while	SCONJ
ap-2041	65	2	searching	search	VERB
ap-2041	65	3	for	for	ADP
ap-2041	65	4	the	the	DET
ap-2041	65	5	optimum	optimum	NOUN
ap-2041	65	6	,	,	PUNCT
ap-2041	65	7	at	at	ADP
ap-2041	65	8	low	low	ADJ
ap-2041	65	9	speeds	speed	NOUN
ap-2041	65	10	we	we	PRON
ap-2041	65	11	were	be	AUX
ap-2041	65	12	limited	limit	VERB
ap-2041	65	13	by	by	ADP
ap-2041	65	14	the	the	DET
ap-2041	65	15	minimum	minimum	ADJ
ap-2041	65	16	adjustable	adjustable	ADJ
ap-2041	65	17	advance	advance	NOUN
ap-2041	65	18	(	(	PUNCT
ap-2041	65	19	15	15	NUM
ap-2041	65	20	°	°	NOUN
ap-2041	65	21	ca	ca	NOUN
ap-2041	65	22	btdc	btdc	NOUN
ap-2041	65	23	)	)	PUNCT
ap-2041	65	24	.	.	PUNCT
ap-2041	66	1	it	it	PRON
ap-2041	66	2	can	can	AUX
ap-2041	66	3	be	be	AUX
ap-2041	66	4	concluded	conclude	VERB
ap-2041	66	5	that	that	SCONJ
ap-2041	66	6	increasing	increase	VERB
ap-2041	66	7	the	the	DET
ap-2041	66	8	hydrogen	hydrogen	NOUN
ap-2041	66	9	content	content	NOUN
ap-2041	66	10	shifts	shift	NOUN
ap-2041	66	11	the	the	DET
ap-2041	66	12	advance	advance	NOUN
ap-2041	66	13	value	value	NOUN
ap-2041	66	14	closer	close	ADV
ap-2041	66	15	to	to	ADP
ap-2041	66	16	tdc	tdc	PROPN
ap-2041	66	17	for	for	ADP
ap-2041	66	18	the	the	DET
ap-2041	66	19	entire	entire	ADJ
ap-2041	66	20	revolution	revolution	NOUN
ap-2041	66	21	range	range	NOUN
ap-2041	66	22	.	.	PUNCT
ap-2041	67	1	another	another	DET
ap-2041	67	2	important	important	ADJ
ap-2041	67	3	parameter	parameter	NOUN
ap-2041	67	4	is	be	AUX
ap-2041	67	5	the	the	DET
ap-2041	67	6	data	datum	NOUN
ap-2041	67	7	on	on	ADP
ap-2041	67	8	the	the	DET
ap-2041	67	9	rate	rate	NOUN
ap-2041	67	10	of	of	ADP
ap-2041	67	11	pressure	pressure	NOUN
ap-2041	67	12	rise	rise	NOUN
ap-2041	67	13	,	,	PUNCT
ap-2041	67	14	which	which	PRON
ap-2041	67	15	has	have	VERB
ap-2041	67	16	a	a	DET
ap-2041	67	17	significant	significant	ADJ
ap-2041	67	18	impact	impact	NOUN
ap-2041	67	19	on	on	ADP
ap-2041	67	20	the	the	DET
ap-2041	67	21	overall	overall	ADJ
ap-2041	67	22	service	service	NOUN
ap-2041	67	23	life	life	NOUN
ap-2041	67	24	of	of	ADP
ap-2041	67	25	the	the	DET
ap-2041	67	26	engine	engine	NOUN
ap-2041	67	27	.	.	PUNCT
ap-2041	68	1	as	as	ADP
ap-2041	68	2	the	the	DET
ap-2041	68	3	number	number	NOUN
ap-2041	68	4	of	of	ADP
ap-2041	68	5	revolutions	revolution	NOUN
ap-2041	68	6	increases	increase	NOUN
ap-2041	68	7	,	,	PUNCT
ap-2041	68	8	the	the	DET
ap-2041	68	9	rate	rate	NOUN
ap-2041	68	10	of	of	ADP
ap-2041	68	11	pressure	pressure	NOUN
ap-2041	68	12	rise	rise	NOUN
ap-2041	68	13	decreases	decrease	VERB
ap-2041	68	14	for	for	ADP
ap-2041	68	15	all	all	DET
ap-2041	68	16	mixture	mixture	NOUN
ap-2041	68	17	compositions	composition	NOUN
ap-2041	68	18	,	,	PUNCT
ap-2041	68	19	see	see	VERB
ap-2041	68	20	figure	figure	NOUN
ap-2041	68	21	4	4	NUM
ap-2041	68	22	.	.	PUNCT
ap-2041	69	1	as	as	ADP
ap-2041	69	2	the	the	DET
ap-2041	69	3	content	content	NOUN
ap-2041	69	4	of	of	ADP
ap-2041	69	5	hydrogen	hydrogen	NOUN
ap-2041	69	6	increases	increase	NOUN
ap-2041	69	7	,	,	PUNCT
ap-2041	69	8	the	the	DET
ap-2041	69	9	rate	rate	NOUN
ap-2041	69	10	of	of	ADP
ap-2041	69	11	the	the	DET
ap-2041	69	12	pressure	pressure	NOUN
ap-2041	69	13	increase	increase	NOUN
ap-2041	69	14	rises	rise	VERB
ap-2041	69	15	within	within	ADP
ap-2041	69	16	the	the	DET
ap-2041	69	17	entire	entire	ADJ
ap-2041	69	18	range	range	NOUN
ap-2041	69	19	of	of	ADP
ap-2041	69	20	revolutions	revolution	NOUN
ap-2041	69	21	.	.	PUNCT
ap-2041	70	1	the	the	DET
ap-2041	70	2	difference	difference	NOUN
ap-2041	70	3	between	between	ADP
ap-2041	70	4	the	the	DET
ap-2041	70	5	values	value	NOUN
ap-2041	70	6	for	for	ADP
ap-2041	70	7	the	the	DET
ap-2041	70	8	increase	increase	NOUN
ap-2041	70	9	in	in	ADP
ap-2041	70	10	the	the	DET
ap-2041	70	11	rate	rate	NOUN
ap-2041	70	12	of	of	ADP
ap-2041	70	13	pressure	pressure	NOUN
ap-2041	70	14	rise	rise	VERB
ap-2041	70	15	valid	valid	ADJ
ap-2041	70	16	for	for	ADP
ap-2041	70	17	the	the	DET
ap-2041	70	18	h2ng50	h2ng50	NOUN
ap-2041	70	19	mixture	mixture	NOUN
ap-2041	70	20	and	and	CCONJ
ap-2041	70	21	for	for	ADP
ap-2041	70	22	the	the	DET
ap-2041	70	23	h2ng0	h2ng0	ADJ
ap-2041	70	24	mixture	mixture	NOUN
ap-2041	70	25	is	be	AUX
ap-2041	70	26	about	about	ADP
ap-2041	70	27	0.1mpa/1	0.1mpa/1	NOUN
ap-2041	70	28	°	°	NOUN
ap-2041	70	29	ca	ca	NOUN
ap-2041	70	30	for	for	ADP
ap-2041	70	31	all	all	DET
ap-2041	70	32	engine	engine	NOUN
ap-2041	70	33	revolutions	revolution	NOUN
ap-2041	70	34	,	,	PUNCT
ap-2041	70	35	which	which	PRON
ap-2041	70	36	represents	represent	VERB
ap-2041	70	37	an	an	DET
ap-2041	70	38	increase	increase	NOUN
ap-2041	70	39	by	by	ADP
ap-2041	70	40	approximately	approximately	ADV
ap-2041	70	41	35	35	NUM
ap-2041	70	42	%	%	NOUN
ap-2041	70	43	.	.	PUNCT
ap-2041	71	1	12	12	NUM
ap-2041	71	2	vol	vol	NOUN
ap-2041	71	3	.	.	PUNCT
ap-2041	72	1	54	54	NUM
ap-2041	72	2	no	no	NOUN
ap-2041	72	3	.	.	PUNCT
ap-2041	72	4	1/2014	1/2014	PROPN
ap-2041	73	1	the	the	DET
ap-2041	73	2	effect	effect	NOUN
ap-2041	73	3	of	of	ADP
ap-2041	73	4	adding	add	VERB
ap-2041	73	5	hydrogen	hydrogen	NOUN
ap-2041	73	6	figure	figure	NOUN
ap-2041	73	7	3	3	NUM
ap-2041	73	8	.	.	PUNCT
ap-2041	73	9	courses	course	NOUN
ap-2041	73	10	representing	represent	VERB
ap-2041	73	11	the	the	DET
ap-2041	73	12	optimum	optimum	ADJ
ap-2041	73	13	angle	angle	NOUN
ap-2041	73	14	of	of	ADP
ap-2041	73	15	spark	spark	NOUN
ap-2041	73	16	advance	advance	NOUN
ap-2041	73	17	(	(	PUNCT
ap-2041	73	18	ϕ	ϕ	NOUN
ap-2041	73	19	)	)	PUNCT
ap-2041	73	20	for	for	ADP
ap-2041	73	21	mixtures	mixture	NOUN
ap-2041	73	22	of	of	ADP
ap-2041	73	23	various	various	ADJ
ap-2041	73	24	compositions	composition	NOUN
ap-2041	73	25	(	(	PUNCT
ap-2041	73	26	h2	h2	NOUN
ap-2041	73	27	in	in	ADP
ap-2041	73	28	ng	ng	PROPN
ap-2041	73	29	)	)	PUNCT
ap-2041	73	30	,	,	PUNCT
ap-2041	73	31	depending	depend	VERB
ap-2041	73	32	on	on	ADP
ap-2041	73	33	the	the	DET
ap-2041	73	34	revolutions	revolution	NOUN
ap-2041	73	35	(	(	PUNCT
ap-2041	73	36	n	n	CCONJ
ap-2041	73	37	)	)	PUNCT
ap-2041	73	38	of	of	ADP
ap-2041	73	39	the	the	DET
ap-2041	73	40	combustion	combustion	NOUN
ap-2041	73	41	engine	engine	NOUN
ap-2041	73	42	(	(	PUNCT
ap-2041	73	43	full	full	ADJ
ap-2041	73	44	load	load	NOUN
ap-2041	73	45	,	,	PUNCT
ap-2041	73	46	stoichiometric	stoichiometric	ADJ
ap-2041	73	47	air	air	NOUN
ap-2041	73	48	-	-	PUNCT
ap-2041	73	49	fuel	fuel	NOUN
ap-2041	73	50	mixture	mixture	NOUN
ap-2041	73	51	)	)	PUNCT
ap-2041	73	52	.	.	PUNCT
ap-2041	74	1	figure	figure	VERB
ap-2041	74	2	4	4	NUM
ap-2041	74	3	.	.	NOUN
ap-2041	75	1	course	course	NOUN
ap-2041	75	2	of	of	ADP
ap-2041	75	3	values	value	NOUN
ap-2041	75	4	representing	represent	VERB
ap-2041	75	5	the	the	DET
ap-2041	75	6	rate	rate	NOUN
ap-2041	75	7	of	of	ADP
ap-2041	75	8	pressure	pressure	NOUN
ap-2041	75	9	rise	rise	NOUN
ap-2041	75	10	(	(	PUNCT
ap-2041	75	11	dp	dp	NOUN
ap-2041	75	12	dα	dα	ADJ
ap-2041	75	13	)	)	PUNCT
ap-2041	75	14	max	max	PROPN
ap-2041	75	15	depending	depend	VERB
ap-2041	75	16	on	on	ADP
ap-2041	75	17	the	the	DET
ap-2041	75	18	revolutions	revolution	NOUN
ap-2041	75	19	(	(	PUNCT
ap-2041	75	20	n	n	CCONJ
ap-2041	75	21	)	)	PUNCT
ap-2041	75	22	for	for	ADP
ap-2041	75	23	various	various	ADJ
ap-2041	75	24	compositions	composition	NOUN
ap-2041	75	25	of	of	ADP
ap-2041	75	26	mixtures	mixture	NOUN
ap-2041	75	27	(	(	PUNCT
ap-2041	75	28	h2	h2	PROPN
ap-2041	75	29	in	in	ADP
ap-2041	75	30	ng	ng	PROPN
ap-2041	75	31	)	)	PUNCT
ap-2041	75	32	of	of	ADP
ap-2041	75	33	natural	natural	ADJ
ap-2041	75	34	gas	gas	NOUN
ap-2041	75	35	and	and	CCONJ
ap-2041	75	36	hydrogen	hydrogen	NOUN
ap-2041	75	37	(	(	PUNCT
ap-2041	75	38	full	full	ADJ
ap-2041	75	39	load	load	NOUN
ap-2041	75	40	,	,	PUNCT
ap-2041	75	41	stoichiometric	stoichiometric	ADJ
ap-2041	75	42	air	air	NOUN
ap-2041	75	43	-	-	PUNCT
ap-2041	75	44	fuel	fuel	NOUN
ap-2041	75	45	mixture	mixture	NOUN
ap-2041	75	46	,	,	PUNCT
ap-2041	75	47	ignition	ignition	NOUN
ap-2041	75	48	advance	advance	NOUN
ap-2041	75	49	33.5	33.5	NUM
ap-2041	75	50	°	°	NOUN
ap-2041	75	51	ca	ca	NOUN
ap-2041	75	52	btdc	btdc	PROPN
ap-2041	75	53	)	)	PUNCT
ap-2041	75	54	.	.	PUNCT
ap-2041	76	1	3	3	X
ap-2041	76	2	.	.	X
ap-2041	76	3	conclusions	conclusion	NOUN
ap-2041	76	4	applications	application	NOUN
ap-2041	76	5	that	that	PRON
ap-2041	76	6	utilize	utilize	VERB
ap-2041	76	7	mixtures	mixture	NOUN
ap-2041	76	8	of	of	ADP
ap-2041	76	9	natural	natural	ADJ
ap-2041	76	10	gas	gas	NOUN
ap-2041	76	11	and	and	CCONJ
ap-2041	76	12	hydrogen	hydrogen	NOUN
ap-2041	76	13	in	in	ADP
ap-2041	76	14	various	various	ADJ
ap-2041	76	15	proportion	proportion	NOUN
ap-2041	76	16	compositions	composition	NOUN
ap-2041	76	17	have	have	VERB
ap-2041	76	18	a	a	DET
ap-2041	76	19	positive	positive	ADJ
ap-2041	76	20	influence	influence	NOUN
ap-2041	76	21	on	on	ADP
ap-2041	76	22	the	the	DET
ap-2041	76	23	actual	actual	ADJ
ap-2041	76	24	operation	operation	NOUN
ap-2041	76	25	of	of	ADP
ap-2041	76	26	an	an	DET
ap-2041	76	27	internal	internal	ADJ
ap-2041	76	28	combustion	combustion	NOUN
ap-2041	76	29	engine	engine	NOUN
ap-2041	76	30	.	.	PUNCT
ap-2041	77	1	the	the	DET
ap-2041	77	2	most	most	ADV
ap-2041	77	3	important	important	ADJ
ap-2041	77	4	effects	effect	NOUN
ap-2041	77	5	of	of	ADP
ap-2041	77	6	hydrogen	hydrogen	NOUN
ap-2041	77	7	are	be	AUX
ap-2041	77	8	as	as	SCONJ
ap-2041	77	9	follows	follow	VERB
ap-2041	77	10	:	:	PUNCT
ap-2041	77	11	•	•	ADP
ap-2041	77	12	a	a	DET
ap-2041	77	13	higher	high	ADJ
ap-2041	77	14	content	content	NOUN
ap-2041	77	15	of	of	ADP
ap-2041	77	16	hydrogen	hydrogen	NOUN
ap-2041	77	17	in	in	ADP
ap-2041	77	18	the	the	DET
ap-2041	77	19	mixture	mixture	NOUN
ap-2041	77	20	shortens	shorten	VERB
ap-2041	77	21	the	the	DET
ap-2041	77	22	ignition	ignition	NOUN
ap-2041	77	23	delay	delay	NOUN
ap-2041	77	24	,	,	PUNCT
ap-2041	77	25	as	as	ADP
ap-2041	77	26	the	the	DET
ap-2041	77	27	period	period	NOUN
ap-2041	77	28	of	of	ADP
ap-2041	77	29	physical	physical	ADJ
ap-2041	77	30	and	and	CCONJ
ap-2041	77	31	chemical	chemical	ADJ
ap-2041	77	32	preparation	preparation	NOUN
ap-2041	77	33	of	of	ADP
ap-2041	77	34	the	the	DET
ap-2041	77	35	mixture	mixture	NOUN
ap-2041	77	36	before	before	ADP
ap-2041	77	37	visible	visible	ADJ
ap-2041	77	38	burning	burn	VERB
ap-2041	77	39	shortens	shorten	NOUN
ap-2041	77	40	,	,	PUNCT
ap-2041	77	41	•	•	ADP
ap-2041	77	42	as	as	ADP
ap-2041	77	43	the	the	DET
ap-2041	77	44	content	content	NOUN
ap-2041	77	45	of	of	ADP
ap-2041	77	46	hydrogen	hydrogen	NOUN
ap-2041	77	47	grows	grow	NOUN
ap-2041	77	48	,	,	PUNCT
ap-2041	77	49	the	the	DET
ap-2041	77	50	maximum	maximum	ADJ
ap-2041	77	51	achieved	achieve	VERB
ap-2041	77	52	pressure	pressure	NOUN
ap-2041	77	53	value	value	NOUN
ap-2041	77	54	increases	increase	NOUN
ap-2041	77	55	,	,	PUNCT
ap-2041	77	56	and	and	CCONJ
ap-2041	77	57	the	the	DET
ap-2041	77	58	angle	angle	NOUN
ap-2041	77	59	at	at	ADP
ap-2041	77	60	which	which	PRON
ap-2041	77	61	this	this	DET
ap-2041	77	62	value	value	NOUN
ap-2041	77	63	is	be	AUX
ap-2041	77	64	obtained	obtain	VERB
ap-2041	77	65	is	be	AUX
ap-2041	77	66	shifted	shift	VERB
ap-2041	77	67	closer	close	ADV
ap-2041	77	68	to	to	ADP
ap-2041	77	69	tdc	tdc	PROPN
ap-2041	77	70	,	,	PUNCT
ap-2041	77	71	•	•	ADP
ap-2041	77	72	as	as	ADP
ap-2041	77	73	the	the	DET
ap-2041	77	74	content	content	NOUN
ap-2041	77	75	of	of	ADP
ap-2041	77	76	hydrogen	hydrogen	NOUN
ap-2041	77	77	increases	increase	NOUN
ap-2041	77	78	,	,	PUNCT
ap-2041	77	79	the	the	DET
ap-2041	77	80	coefficient	coefficient	NOUN
ap-2041	77	81	of	of	ADP
ap-2041	77	82	variation	variation	NOUN
ap-2041	77	83	of	of	ADP
ap-2041	77	84	the	the	DET
ap-2041	77	85	maximum	maximum	ADJ
ap-2041	77	86	pressure	pressure	NOUN
ap-2041	77	87	at	at	ADP
ap-2041	77	88	all	all	DET
ap-2041	77	89	engine	engine	NOUN
ap-2041	77	90	revolutions	revolution	NOUN
ap-2041	77	91	decreases	decrease	VERB
ap-2041	77	92	,	,	PUNCT
ap-2041	77	93	•	•	ADP
ap-2041	77	94	the	the	DET
ap-2041	77	95	rate	rate	NOUN
ap-2041	77	96	of	of	ADP
ap-2041	77	97	pressure	pressure	NOUN
ap-2041	77	98	rise	rise	NOUN
ap-2041	77	99	increases	increase	NOUN
ap-2041	77	100	as	as	ADP
ap-2041	77	101	the	the	DET
ap-2041	77	102	proportion	proportion	NOUN
ap-2041	77	103	of	of	ADP
ap-2041	77	104	hydrogen	hydrogen	NOUN
ap-2041	77	105	rises	rise	NOUN
ap-2041	77	106	,	,	PUNCT
ap-2041	77	107	throughout	throughout	ADP
ap-2041	77	108	the	the	DET
ap-2041	77	109	entire	entire	ADJ
ap-2041	77	110	revolution	revolution	NOUN
ap-2041	77	111	range	range	NOUN
ap-2041	77	112	,	,	PUNCT
ap-2041	77	113	•	•	ADP
ap-2041	77	114	to	to	PART
ap-2041	77	115	obtain	obtain	VERB
ap-2041	77	116	maximum	maximum	ADJ
ap-2041	77	117	torque	torque	NOUN
ap-2041	77	118	,	,	PUNCT
ap-2041	77	119	a	a	DET
ap-2041	77	120	higher	high	ADJ
ap-2041	77	121	content	content	NOUN
ap-2041	77	122	of	of	ADP
ap-2041	77	123	hydrogen	hydrogen	NOUN
ap-2041	77	124	reduces	reduce	VERB
ap-2041	77	125	the	the	DET
ap-2041	77	126	value	value	NOUN
ap-2041	77	127	of	of	ADP
ap-2041	77	128	the	the	DET
ap-2041	77	129	optimum	optimum	ADJ
ap-2041	77	130	angle	angle	NOUN
ap-2041	77	131	of	of	ADP
ap-2041	77	132	ignition	ignition	NOUN
ap-2041	77	133	advance	advance	NOUN
ap-2041	77	134	,	,	PUNCT
ap-2041	77	135	•	•	ADP
ap-2041	77	136	as	as	ADP
ap-2041	77	137	the	the	DET
ap-2041	77	138	proportion	proportion	NOUN
ap-2041	77	139	of	of	ADP
ap-2041	77	140	hydrogen	hydrogen	NOUN
ap-2041	77	141	increases	increase	NOUN
ap-2041	77	142	,	,	PUNCT
ap-2041	77	143	the	the	DET
ap-2041	77	144	volumetric	volumetric	NOUN
ap-2041	77	145	efficiency	efficiency	NOUN
ap-2041	77	146	decreases	decrease	VERB
ap-2041	77	147	,	,	PUNCT
ap-2041	77	148	•	•	ADP
ap-2041	77	149	as	as	ADP
ap-2041	77	150	the	the	DET
ap-2041	77	151	proportion	proportion	NOUN
ap-2041	77	152	of	of	ADP
ap-2041	77	153	hydrogen	hydrogen	NOUN
ap-2041	77	154	increases	increase	NOUN
ap-2041	77	155	,	,	PUNCT
ap-2041	77	156	the	the	DET
ap-2041	77	157	brake	brake	NOUN
ap-2041	77	158	specific	specific	ADJ
ap-2041	77	159	fuel	fuel	NOUN
ap-2041	77	160	consumption	consumption	NOUN
ap-2041	77	161	decreases	decrease	VERB
ap-2041	77	162	,	,	PUNCT
ap-2041	77	163	•	•	ADV
ap-2041	77	164	mixing	mix	VERB
ap-2041	77	165	hydrogen	hydrogen	NOUN
ap-2041	77	166	with	with	ADP
ap-2041	77	167	natural	natural	ADJ
ap-2041	77	168	gas	gas	NOUN
ap-2041	77	169	in	in	ADP
ap-2041	77	170	a	a	DET
ap-2041	77	171	fuel	fuel	NOUN
ap-2041	77	172	mixture	mixture	NOUN
ap-2041	77	173	decreases	decrease	VERB
ap-2041	77	174	the	the	DET
ap-2041	77	175	concentration	concentration	NOUN
ap-2041	77	176	of	of	ADP
ap-2041	77	177	carbon	carbon	NOUN
ap-2041	77	178	dioxide	dioxide	NOUN
ap-2041	77	179	and	and	CCONJ
ap-2041	77	180	the	the	DET
ap-2041	77	181	unburned	unburned	ADJ
ap-2041	77	182	hydrocarbons	hydrocarbon	NOUN
ap-2041	77	183	in	in	ADP
ap-2041	77	184	the	the	DET
ap-2041	77	185	exhaust	exhaust	NOUN
ap-2041	77	186	gases	gas	NOUN
ap-2041	77	187	.	.	PUNCT
ap-2041	78	1	as	as	ADP
ap-2041	78	2	a	a	DET
ap-2041	78	3	follow	follow	NOUN
ap-2041	78	4	-	-	PUNCT
ap-2041	78	5	up	up	NOUN
ap-2041	78	6	,	,	PUNCT
ap-2041	78	7	the	the	DET
ap-2041	78	8	proportion	proportion	NOUN
ap-2041	78	9	of	of	ADP
ap-2041	78	10	water	water	NOUN
ap-2041	78	11	vapour	vapour	NOUN
ap-2041	78	12	and	and	CCONJ
ap-2041	78	13	also	also	ADV
ap-2041	78	14	the	the	DET
ap-2041	78	15	amount	amount	NOUN
ap-2041	78	16	of	of	ADP
ap-2041	78	17	nitrogen	nitrogen	NOUN
ap-2041	78	18	oxides	oxide	NOUN
ap-2041	78	19	both	both	DET
ap-2041	78	20	increase	increase	NOUN
ap-2041	78	21	.	.	PUNCT
ap-2041	79	1	13	13	NUM
ap-2041	79	2	a.	a.	NOUN
ap-2041	79	3	chríbik	chríbik	PROPN
ap-2041	79	4	,	,	PUNCT
ap-2041	79	5	m.	m.	NOUN
ap-2041	79	6	polóni	polóni	PROPN
ap-2041	79	7	,	,	PUNCT
ap-2041	79	8	j.	j.	PROPN
ap-2041	79	9	lach	lach	PROPN
ap-2041	79	10	,	,	PUNCT
ap-2041	79	11	b.	b.	PROPN
ap-2041	79	12	ragan	ragan	PROPN
ap-2041	79	13	acta	acta	PROPN
ap-2041	79	14	polytechnica	polytechnica	PROPN
ap-2041	79	15	acknowledgements	acknowledgement	NOUN
ap-2041	79	16	this	this	DET
ap-2041	79	17	work	work	NOUN
ap-2041	79	18	was	be	AUX
ap-2041	79	19	supported	support	VERB
ap-2041	79	20	by	by	ADP
ap-2041	79	21	the	the	DET
ap-2041	79	22	slovak	slovak	ADJ
ap-2041	79	23	research	research	NOUN
ap-2041	79	24	and	and	CCONJ
ap-2041	79	25	development	development	NOUN
ap-2041	79	26	agency	agency	NOUN
ap-2041	79	27	under	under	ADP
ap-2041	79	28	contract	contract	NOUN
ap-2041	79	29	apvv-0015	apvv-0015	NOUN
ap-2041	79	30	-	-	PUNCT
ap-2041	79	31	12	12	NUM
ap-2041	79	32	and	and	CCONJ
ap-2041	79	33	contract	contract	NOUN
ap-2041	79	34	apvv-0090	apvv-0090	NOUN
ap-2041	79	35	-	-	PUNCT
ap-2041	79	36	10	10	NUM
ap-2041	79	37	.	.	PUNCT
ap-2041	80	1	references	reference	NOUN
ap-2041	80	2	[	[	X
ap-2041	80	3	1	1	NUM
ap-2041	80	4	]	]	PUNCT
ap-2041	80	5	verhelst	verhelst	NOUN
ap-2041	80	6	,	,	PUNCT
ap-2041	80	7	s.	s.	PROPN
ap-2041	80	8	,	,	PUNCT
ap-2041	80	9	wallner	wallner	NOUN
ap-2041	80	10	,	,	PUNCT
ap-2041	80	11	t.	t.	PROPN
ap-2041	80	12	:	:	PUNCT
ap-2041	80	13	hydrogen	hydrogen	NOUN
ap-2041	80	14	-	-	PUNCT
ap-2041	80	15	fuelled	fuel	VERB
ap-2041	80	16	internal	internal	ADJ
ap-2041	80	17	combustion	combustion	NOUN
ap-2041	80	18	engines	engine	NOUN
ap-2041	80	19	,	,	PUNCT
ap-2041	80	20	progress	progress	NOUN
ap-2041	80	21	in	in	ADP
ap-2041	80	22	energy	energy	NOUN
ap-2041	80	23	and	and	CCONJ
ap-2041	80	24	combustion	combustion	NOUN
ap-2041	80	25	science	science	NOUN
ap-2041	80	26	,	,	PUNCT
ap-2041	80	27	2009	2009	NUM
ap-2041	80	28	,	,	PUNCT
ap-2041	80	29	volume	volume	NOUN
ap-2041	80	30	35	35	NUM
ap-2041	80	31	,	,	PUNCT
ap-2041	80	32	pp	pp	ADV
ap-2041	80	33	.	.	PUNCT
ap-2041	81	1	490–527	490–527	NUM
ap-2041	82	1	[	[	X
ap-2041	82	2	2	2	NUM
ap-2041	82	3	]	]	PUNCT
ap-2041	82	4	akansu	akansu	NOUN
ap-2041	82	5	,	,	PUNCT
ap-2041	82	6	s.o	s.o	PROPN
ap-2041	82	7	.	.	PROPN
ap-2041	82	8	,	,	PUNCT
ap-2041	82	9	kahraman	kahraman	NOUN
ap-2041	82	10	,	,	PUNCT
ap-2041	82	11	n.	n.	NOUN
ap-2041	82	12	,	,	PUNCT
ap-2041	82	13	ceper	ceper	PROPN
ap-2041	82	14	,	,	PUNCT
ap-2041	82	15	b.	b.	PROPN
ap-2041	82	16	:	:	PUNCT
ap-2041	82	17	experimental	experimental	ADJ
ap-2041	82	18	study	study	NOUN
ap-2041	82	19	on	on	ADP
ap-2041	82	20	a	a	DET
ap-2041	82	21	spark	spark	NOUN
ap-2041	82	22	ignition	ignition	NOUN
ap-2041	82	23	engine	engine	NOUN
ap-2041	82	24	fuelled	fuel	VERB
ap-2041	82	25	by	by	ADP
ap-2041	82	26	methane	methane	NOUN
ap-2041	82	27	-	-	PUNCT
ap-2041	82	28	hydrogen	hydrogen	NOUN
ap-2041	82	29	mixtures	mixture	NOUN
ap-2041	82	30	,	,	PUNCT
ap-2041	82	31	international	international	ADJ
ap-2041	82	32	journal	journal	NOUN
ap-2041	82	33	of	of	ADP
ap-2041	82	34	hydrogen	hydrogen	NOUN
ap-2041	82	35	energy	energy	NOUN
ap-2041	82	36	,	,	PUNCT
ap-2041	82	37	2007	2007	NUM
ap-2041	82	38	,	,	PUNCT
ap-2041	82	39	volume	volume	NOUN
ap-2041	82	40	32	32	NUM
ap-2041	82	41	,	,	PUNCT
ap-2041	82	42	pp	pp	ADJ
ap-2041	82	43	.	.	PUNCT
ap-2041	83	1	4279–4284	4279–4284	NOUN
ap-2041	83	2	.	.	PUNCT
ap-2041	84	1	[	[	X
ap-2041	84	2	3	3	NUM
ap-2041	84	3	]	]	X
ap-2041	84	4	kahraman	kahraman	NOUN
ap-2041	84	5	,	,	PUNCT
ap-2041	84	6	n.	n.	NOUN
ap-2041	84	7	,	,	PUNCT
ap-2041	84	8	ceper	ceper	PROPN
ap-2041	84	9	,	,	PUNCT
ap-2041	84	10	b.	b.	PROPN
ap-2041	84	11	,	,	PUNCT
ap-2041	84	12	akansu	akansu	PROPN
ap-2041	84	13	,	,	PUNCT
ap-2041	84	14	s.o	s.o	PROPN
ap-2041	84	15	.	.	PROPN
ap-2041	84	16	,	,	PUNCT
ap-2041	84	17	aydin	aydin	PROPN
ap-2041	84	18	,	,	PUNCT
ap-2041	84	19	k.	k.	NOUN
ap-2041	84	20	:	:	PUNCT
ap-2041	84	21	investigation	investigation	NOUN
ap-2041	84	22	of	of	ADP
ap-2041	84	23	combustion	combustion	NOUN
ap-2041	84	24	characteristics	characteristic	NOUN
ap-2041	84	25	and	and	CCONJ
ap-2041	84	26	emissions	emission	NOUN
ap-2041	84	27	in	in	ADP
ap-2041	84	28	a	a	DET
ap-2041	84	29	spark	spark	NOUN
ap-2041	84	30	-	-	PUNCT
ap-2041	84	31	ignition	ignition	NOUN
ap-2041	84	32	engine	engine	NOUN
ap-2041	84	33	fuelled	fuel	VERB
ap-2041	84	34	with	with	ADP
ap-2041	84	35	natural	natural	ADJ
ap-2041	84	36	gas	gas	NOUN
ap-2041	84	37	-	-	PUNCT
ap-2041	84	38	hydrogen	hydrogen	NOUN
ap-2041	84	39	blends	blend	NOUN
ap-2041	84	40	,	,	PUNCT
ap-2041	84	41	international	international	ADJ
ap-2041	84	42	journal	journal	NOUN
ap-2041	84	43	of	of	ADP
ap-2041	84	44	hydrogen	hydrogen	NOUN
ap-2041	84	45	energy	energy	NOUN
ap-2041	84	46	,	,	PUNCT
ap-2041	84	47	2009	2009	NUM
ap-2041	84	48	,	,	PUNCT
ap-2041	84	49	volume	volume	NOUN
ap-2041	84	50	34	34	NUM
ap-2041	84	51	,	,	PUNCT
ap-2041	84	52	pp	pp	ADJ
ap-2041	84	53	.	.	PUNCT
ap-2041	84	54	1026–1034	1026–1034	NUM
ap-2041	84	55	.	.	PUNCT
ap-2041	85	1	[	[	X
ap-2041	85	2	4	4	NUM
ap-2041	85	3	]	]	X
ap-2041	85	4	polóni	polóni	NOUN
ap-2041	85	5	m.	m.	NOUN
ap-2041	85	6	,	,	PUNCT
ap-2041	85	7	kálman	kálman	PROPN
ap-2041	85	8	p.	p.	PROPN
ap-2041	85	9	,	,	PUNCT
ap-2041	85	10	lach	lach	PROPN
ap-2041	85	11	j.	j.	PROPN
ap-2041	85	12	,	,	PUNCT
ap-2041	85	13	smieško	smieško	VERB
ap-2041	85	14	š	š	PROPN
ap-2041	85	15	.	.	PROPN
ap-2041	85	16	,	,	PUNCT
ap-2041	85	17	lazar	lazar	PROPN
ap-2041	85	18	l.	l.	PROPN
ap-2041	85	19	,	,	PUNCT
ap-2041	85	20	kunc	kunc	VERB
ap-2041	85	21	p.	p.	NOUN
ap-2041	85	22	,	,	PUNCT
ap-2041	85	23	jančošek	jančošek	VERB
ap-2041	85	24	ľ	ľ	NUM
ap-2041	85	25	.	.	PUNCT
ap-2041	85	26	:	:	PUNCT
ap-2041	86	1	micro	micro	ADJ
ap-2041	86	2	-	-	NOUN
ap-2041	86	3	cogeneration	cogeneration	ADJ
ap-2041	86	4	unit	unit	NOUN
ap-2041	86	5	with	with	ADP
ap-2041	86	6	variable	variable	ADJ
ap-2041	86	7	-	-	PUNCT
ap-2041	86	8	speed	speed	NOUN
ap-2041	86	9	generator	generator	NOUN
ap-2041	86	10	,	,	PUNCT
ap-2041	86	11	international	international	ADJ
ap-2041	86	12	scientific	scientific	ADJ
ap-2041	86	13	event	event	NOUN
ap-2041	86	14	“	"	PUNCT
ap-2041	86	15	power	power	NOUN
ap-2041	86	16	engineering	engineering	NOUN
ap-2041	86	17	2010	2010	NUM
ap-2041	86	18	”	"	PUNCT
ap-2041	86	19	,	,	PUNCT
ap-2041	86	20	may	may	AUX
ap-2041	86	21	18	18	NUM
ap-2041	86	22	-	-	SYM
ap-2041	86	23	20	20	NUM
ap-2041	86	24	,	,	PUNCT
ap-2041	86	25	2010	2010	NUM
ap-2041	86	26	,	,	PUNCT
ap-2041	86	27	tatranské	tatranské	NOUN
ap-2041	86	28	matliare	matliare	NOUN
ap-2041	86	29	,	,	PUNCT
ap-2041	86	30	high	high	ADJ
ap-2041	86	31	tatras	tatra	NOUN
ap-2041	86	32	,	,	PUNCT
ap-2041	86	33	slovak	slovak	ADJ
ap-2041	86	34	republic	republic	NOUN
ap-2041	86	35	.	.	PUNCT
ap-2041	87	1	9th	9th	ADJ
ap-2041	87	2	international	international	ADJ
ap-2041	87	3	scientific	scientific	ADJ
ap-2041	87	4	conference	conference	NOUN
ap-2041	87	5	:	:	PUNCT
ap-2041	87	6	energy	energy	NOUN
ap-2041	87	7	-	-	PUNCT
ap-2041	87	8	ecology	ecology	NOUN
ap-2041	87	9	-	-	PUNCT
ap-2041	87	10	economy	economy	NOUN
ap-2041	87	11	(	(	PUNCT
ap-2041	87	12	eee	eee	NOUN
ap-2041	87	13	)	)	PUNCT
ap-2041	87	14	2010	2010	NUM
ap-2041	87	15	,	,	PUNCT
ap-2041	87	16	proceedings	proceeding	NOUN
ap-2041	87	17	on	on	ADP
ap-2041	87	18	cd	cd	PROPN
ap-2041	87	19	,	,	PUNCT
ap-2041	87	20	isbn	isbn	ADJ
ap-2041	87	21	978	978	NUM
ap-2041	87	22	-	-	SYM
ap-2041	87	23	80	80	NUM
ap-2041	87	24	-	-	PUNCT
ap-2041	87	25	89402	89402	NUM
ap-2041	87	26	-	-	PUNCT
ap-2041	87	27	23	23	NUM
ap-2041	87	28	-	-	SYM
ap-2041	87	29	6	6	NUM
ap-2041	87	30	,	,	PUNCT
ap-2041	87	31	paper	paper	NOUN
ap-2041	87	32	address	address	NOUN
ap-2041	87	33	:	:	PUNCT
ap-2041	87	34	cd	cd	NOUN
ap-2041	87	35	/	/	SYM
ap-2041	87	36	files	file	NOUN
ap-2041	87	37	/	/	SYM
ap-2041	87	38	eee/5/4	eee/5/4	NOUN
ap-2041	87	39	,	,	PUNCT
ap-2041	87	40	22	22	NUM
ap-2041	87	41	pages	page	NOUN
ap-2041	87	42	.	.	PUNCT
ap-2041	88	1	14	14	NUM
ap-2041	88	2	acta	acta	PROPN
ap-2041	88	3	polytechnica	polytechnica	PROPN
ap-2041	88	4	54(1):10–14	54(1):10–14	NUM
ap-2041	88	5	,	,	PUNCT
ap-2041	88	6	2014	2014	NUM
ap-2041	88	7	1	1	NUM
ap-2041	88	8	introduction	introduction	NOUN
ap-2041	88	9	2	2	NUM
ap-2041	88	10	experimental	experimental	ADJ
ap-2041	88	11	measurements	measurement	NOUN
ap-2041	88	12	and	and	CCONJ
ap-2041	88	13	results	result	VERB
ap-2041	88	14	3	3	NUM
ap-2041	88	15	conclusions	conclusion	NOUN
ap-2041	88	16	acknowledgements	acknowledgement	NOUN
ap-2041	88	17	references	reference	NOUN