id	sid	tid	token	lemma	pos
ap-1540	1	1	ap-3-12.dvi	ap-3-12.dvi	PROPN
ap-1540	1	2	acta	acta	PROPN
ap-1540	1	3	polytechnica	polytechnica	PROPN
ap-1540	1	4	vol	vol	NOUN
ap-1540	1	5	.	.	PROPN
ap-1540	2	1	52	52	NUM
ap-1540	2	2	no	no	NOUN
ap-1540	2	3	.	.	PUNCT
ap-1540	3	1	3/2012	3/2012	NUM
ap-1540	3	2	effect	effect	NOUN
ap-1540	3	3	of	of	ADP
ap-1540	3	4	gas	gas	NOUN
ap-1540	3	5	mixture	mixture	NOUN
ap-1540	3	6	composition	composition	NOUN
ap-1540	3	7	on	on	ADP
ap-1540	3	8	the	the	DET
ap-1540	3	9	parameters	parameter	NOUN
ap-1540	3	10	of	of	ADP
ap-1540	3	11	an	an	DET
ap-1540	3	12	internal	internal	ADJ
ap-1540	3	13	combustion	combustion	NOUN
ap-1540	3	14	engine	engine	NOUN
ap-1540	3	15	andrej	andrej	PROPN
ap-1540	3	16	chŕıbik1	chŕıbik1	PROPN
ap-1540	3	17	,	,	PUNCT
ap-1540	3	18	marián	marián	PROPN
ap-1540	3	19	polóni1	polóni1	NUM
ap-1540	3	20	,	,	PUNCT
ap-1540	3	21	ján	ján	NOUN
ap-1540	3	22	lach1	lach1	PROPN
ap-1540	4	1	1slovak	1slovak	NUM
ap-1540	4	2	university	university	NOUN
ap-1540	4	3	of	of	ADP
ap-1540	4	4	technology	technology	NOUN
ap-1540	4	5	in	in	ADP
ap-1540	4	6	bratislava	bratislava	PROPN
ap-1540	4	7	,	,	PUNCT
ap-1540	4	8	faculty	faculty	NOUN
ap-1540	4	9	of	of	ADP
ap-1540	4	10	mechanical	mechanical	ADJ
ap-1540	4	11	engineering	engineering	NOUN
ap-1540	4	12	,	,	PUNCT
ap-1540	4	13	institute	institute	NOUN
ap-1540	4	14	of	of	ADP
ap-1540	4	15	transport	transport	NOUN
ap-1540	4	16	technology	technology	NOUN
ap-1540	4	17	and	and	CCONJ
ap-1540	4	18	engineering	engineering	NOUN
ap-1540	4	19	design	design	NOUN
ap-1540	4	20	,	,	PUNCT
ap-1540	4	21	department	department	NOUN
ap-1540	4	22	of	of	ADP
ap-1540	4	23	automobiles	automobile	NOUN
ap-1540	4	24	,	,	PUNCT
ap-1540	4	25	ships	ship	NOUN
ap-1540	4	26	and	and	CCONJ
ap-1540	4	27	combustion	combustion	NOUN
ap-1540	4	28	engines	engine	NOUN
ap-1540	4	29	,	,	PUNCT
ap-1540	4	30	námestie	námestie	ADP
ap-1540	4	31	slobody	slobody	NOUN
ap-1540	4	32	17	17	NUM
ap-1540	4	33	,	,	PUNCT
ap-1540	4	34	812	812	NUM
ap-1540	4	35	31	31	NUM
ap-1540	4	36	bratislava	bratislava	NOUN
ap-1540	4	37	,	,	PUNCT
ap-1540	4	38	slovak	slovak	ADJ
ap-1540	4	39	republic	republic	NOUN
ap-1540	4	40	correspondence	correspondence	NOUN
ap-1540	4	41	to	to	ADP
ap-1540	4	42	:	:	PUNCT
ap-1540	4	43	andrej.chribik@stuba.sk	andrej.chribik@stuba.sk	PROPN
ap-1540	4	44	abstract	abstract	ADV
ap-1540	4	45	this	this	DET
ap-1540	4	46	paper	paper	NOUN
ap-1540	4	47	deals	deal	NOUN
ap-1540	4	48	with	with	ADP
ap-1540	4	49	the	the	DET
ap-1540	4	50	use	use	NOUN
ap-1540	4	51	of	of	ADP
ap-1540	4	52	the	the	DET
ap-1540	4	53	internal	internal	ADJ
ap-1540	4	54	combustion	combustion	NOUN
ap-1540	4	55	piston	piston	NOUN
ap-1540	4	56	engine	engine	NOUN
ap-1540	4	57	,	,	PUNCT
ap-1540	4	58	which	which	PRON
ap-1540	4	59	is	be	AUX
ap-1540	4	60	a	a	DET
ap-1540	4	61	drive	drive	ADJ
ap-1540	4	62	unit	unit	NOUN
ap-1540	4	63	for	for	ADP
ap-1540	4	64	micro	micro	NOUN
ap-1540	4	65	-	-	NOUN
ap-1540	4	66	cogeneration	cogeneration	ADJ
ap-1540	4	67	units	unit	NOUN
ap-1540	4	68	.	.	PUNCT
ap-1540	5	1	the	the	DET
ap-1540	5	2	introduction	introduction	NOUN
ap-1540	5	3	is	be	AUX
ap-1540	5	4	a	a	DET
ap-1540	5	5	brief	brief	ADJ
ap-1540	5	6	statement	statement	NOUN
ap-1540	5	7	of	of	ADP
ap-1540	5	8	the	the	DET
ap-1540	5	9	nature	nature	NOUN
ap-1540	5	10	of	of	ADP
ap-1540	5	11	gas	gas	NOUN
ap-1540	5	12	mixture	mixture	NOUN
ap-1540	5	13	compositions	composition	NOUN
ap-1540	5	14	that	that	PRON
ap-1540	5	15	are	be	AUX
ap-1540	5	16	useful	useful	ADJ
ap-1540	5	17	for	for	ADP
ap-1540	5	18	the	the	DET
ap-1540	5	19	purposes	purpose	NOUN
ap-1540	5	20	of	of	ADP
ap-1540	5	21	combustion	combustion	NOUN
ap-1540	5	22	engines	engine	NOUN
ap-1540	5	23	,	,	PUNCT
ap-1540	5	24	together	together	ADV
ap-1540	5	25	with	with	ADP
ap-1540	5	26	the	the	DET
ap-1540	5	27	basic	basic	ADJ
ap-1540	5	28	physical	physical	ADJ
ap-1540	5	29	and	and	CCONJ
ap-1540	5	30	chemical	chemical	NOUN
ap-1540	5	31	properties	property	NOUN
ap-1540	5	32	relevant	relevant	ADJ
ap-1540	5	33	to	to	ADP
ap-1540	5	34	the	the	DET
ap-1540	5	35	burning	burning	NOUN
ap-1540	5	36	of	of	ADP
ap-1540	5	37	this	this	DET
ap-1540	5	38	gas	gas	NOUN
ap-1540	5	39	mixture	mixture	NOUN
ap-1540	5	40	.	.	PUNCT
ap-1540	6	1	specifically	specifically	ADV
ap-1540	6	2	,	,	PUNCT
ap-1540	6	3	we	we	PRON
ap-1540	6	4	will	will	AUX
ap-1540	6	5	discuss	discuss	VERB
ap-1540	6	6	low	low	ADJ
ap-1540	6	7	-	-	PUNCT
ap-1540	6	8	energy	energy	NOUN
ap-1540	6	9	gases	gas	NOUN
ap-1540	6	10	(	(	PUNCT
ap-1540	6	11	syngases	syngase	NOUN
ap-1540	6	12	)	)	PUNCT
ap-1540	6	13	and	and	CCONJ
ap-1540	6	14	mixtures	mixture	NOUN
ap-1540	6	15	of	of	ADP
ap-1540	6	16	natural	natural	ADJ
ap-1540	6	17	gas	gas	NOUN
ap-1540	6	18	with	with	ADP
ap-1540	6	19	hydrogen	hydrogen	NOUN
ap-1540	6	20	.	.	PUNCT
ap-1540	7	1	the	the	DET
ap-1540	7	2	second	second	ADJ
ap-1540	7	3	section	section	NOUN
ap-1540	7	4	describes	describe	VERB
ap-1540	7	5	the	the	DET
ap-1540	7	6	conversion	conversion	NOUN
ap-1540	7	7	of	of	ADP
ap-1540	7	8	the	the	DET
ap-1540	7	9	lombardini	lombardini	PROPN
ap-1540	7	10	lgw	lgw	PROPN
ap-1540	7	11	702	702	NUM
ap-1540	7	12	combustion	combustion	NOUN
ap-1540	7	13	engine	engine	NOUN
ap-1540	7	14	that	that	PRON
ap-1540	7	15	is	be	AUX
ap-1540	7	16	necessary	necessary	ADJ
ap-1540	7	17	for	for	ADP
ap-1540	7	18	these	these	DET
ap-1540	7	19	types	type	NOUN
ap-1540	7	20	of	of	ADP
ap-1540	7	21	combustion	combustion	NOUN
ap-1540	7	22	gases	gas	NOUN
ap-1540	7	23	.	.	PUNCT
ap-1540	8	1	before	before	SCONJ
ap-1540	8	2	the	the	DET
ap-1540	8	3	experimental	experimental	ADJ
ap-1540	8	4	measurements	measurement	NOUN
ap-1540	8	5	,	,	PUNCT
ap-1540	8	6	a	a	DET
ap-1540	8	7	simulation	simulation	NOUN
ap-1540	8	8	in	in	ADP
ap-1540	8	9	the	the	DET
ap-1540	8	10	lotus	lotus	PROPN
ap-1540	8	11	engine	engine	NOUN
ap-1540	8	12	simulation	simulation	NOUN
ap-1540	8	13	program	program	NOUN
ap-1540	8	14	was	be	AUX
ap-1540	8	15	carried	carry	VERB
ap-1540	8	16	out	out	ADP
ap-1540	8	17	to	to	PART
ap-1540	8	18	make	make	VERB
ap-1540	8	19	a	a	DET
ap-1540	8	20	preliminary	preliminary	ADJ
ap-1540	8	21	assessment	assessment	NOUN
ap-1540	8	22	of	of	ADP
ap-1540	8	23	the	the	DET
ap-1540	8	24	impact	impact	NOUN
ap-1540	8	25	on	on	ADP
ap-1540	8	26	the	the	DET
ap-1540	8	27	performance	performance	NOUN
ap-1540	8	28	of	of	ADP
ap-1540	8	29	an	an	DET
ap-1540	8	30	internal	internal	ADJ
ap-1540	8	31	combustion	combustion	NOUN
ap-1540	8	32	engine	engine	NOUN
ap-1540	8	33	.	.	PUNCT
ap-1540	9	1	the	the	DET
ap-1540	9	2	last	last	ADJ
ap-1540	9	3	section	section	NOUN
ap-1540	9	4	of	of	ADP
ap-1540	9	5	the	the	DET
ap-1540	9	6	paper	paper	NOUN
ap-1540	9	7	presents	present	VERB
ap-1540	9	8	the	the	DET
ap-1540	9	9	experimental	experimental	ADJ
ap-1540	9	10	results	result	NOUN
ap-1540	9	11	of	of	ADP
ap-1540	9	12	partial	partial	ADJ
ap-1540	9	13	measurements	measurement	NOUN
ap-1540	9	14	of	of	ADP
ap-1540	9	15	the	the	DET
ap-1540	9	16	performance	performance	NOUN
ap-1540	9	17	and	and	CCONJ
ap-1540	9	18	emission	emission	NOUN
ap-1540	9	19	parameters	parameter	NOUN
ap-1540	9	20	of	of	ADP
ap-1540	9	21	an	an	DET
ap-1540	9	22	internal	internal	ADJ
ap-1540	9	23	combustion	combustion	NOUN
ap-1540	9	24	engine	engine	NOUN
ap-1540	9	25	powered	power	VERB
ap-1540	9	26	by	by	ADP
ap-1540	9	27	alternative	alternative	ADJ
ap-1540	9	28	fuels	fuel	NOUN
ap-1540	9	29	.	.	PUNCT
ap-1540	10	1	keywords	keyword	NOUN
ap-1540	10	2	:	:	PUNCT
ap-1540	10	3	natural	natural	ADJ
ap-1540	10	4	gas	gas	NOUN
ap-1540	10	5	,	,	PUNCT
ap-1540	10	6	hydrogen	hydrogen	NOUN
ap-1540	10	7	,	,	PUNCT
ap-1540	10	8	synthesis	synthesis	NOUN
ap-1540	10	9	gas	gas	NOUN
ap-1540	10	10	,	,	PUNCT
ap-1540	10	11	engine	engine	NOUN
ap-1540	10	12	parameters	parameter	NOUN
ap-1540	10	13	.	.	PUNCT
ap-1540	11	1	1	1	NUM
ap-1540	11	2	introduction	introduction	NOUN
ap-1540	11	3	in	in	ADP
ap-1540	11	4	the	the	DET
ap-1540	11	5	current	current	ADJ
ap-1540	11	6	development	development	NOUN
ap-1540	11	7	of	of	ADP
ap-1540	11	8	combustion	combustion	NOUN
ap-1540	11	9	engines	engine	NOUN
ap-1540	11	10	,	,	PUNCT
ap-1540	11	11	there	there	PRON
ap-1540	11	12	is	be	VERB
ap-1540	11	13	a	a	DET
ap-1540	11	14	trend	trend	NOUN
ap-1540	11	15	to	to	PART
ap-1540	11	16	put	put	VERB
ap-1540	11	17	emphasis	emphasis	NOUN
ap-1540	11	18	not	not	PART
ap-1540	11	19	only	only	ADV
ap-1540	11	20	on	on	ADP
ap-1540	11	21	performance	performance	NOUN
ap-1540	11	22	and	and	CCONJ
ap-1540	11	23	cost	cost	NOUN
ap-1540	11	24	parameters	parameter	NOUN
ap-1540	11	25	,	,	PUNCT
ap-1540	11	26	but	but	CCONJ
ap-1540	11	27	also	also	ADV
ap-1540	11	28	on	on	ADP
ap-1540	11	29	environmental	environmental	ADJ
ap-1540	11	30	parameters	parameter	NOUN
ap-1540	11	31	,	,	PUNCT
ap-1540	11	32	the	the	DET
ap-1540	11	33	aim	aim	NOUN
ap-1540	11	34	being	be	AUX
ap-1540	11	35	to	to	PART
ap-1540	11	36	achieve	achieve	VERB
ap-1540	11	37	the	the	DET
ap-1540	11	38	most	most	ADV
ap-1540	11	39	acceptable	acceptable	ADJ
ap-1540	11	40	values	value	NOUN
ap-1540	11	41	.	.	PUNCT
ap-1540	12	1	the	the	DET
ap-1540	12	2	spotlight	spotlight	NOUN
ap-1540	12	3	is	be	AUX
ap-1540	12	4	also	also	ADV
ap-1540	12	5	therefore	therefore	ADV
ap-1540	12	6	on	on	ADP
ap-1540	12	7	non	non	ADJ
ap-1540	12	8	-	-	ADJ
ap-1540	12	9	traditional	traditional	ADJ
ap-1540	12	10	power	power	NOUN
ap-1540	12	11	sources	source	NOUN
ap-1540	12	12	.	.	PUNCT
ap-1540	13	1	one	one	NUM
ap-1540	13	2	of	of	ADP
ap-1540	13	3	these	these	DET
ap-1540	13	4	energy	energy	NOUN
ap-1540	13	5	carriers	carrier	NOUN
ap-1540	13	6	is	be	AUX
ap-1540	13	7	hydrogen	hydrogen	NOUN
ap-1540	13	8	.	.	PUNCT
ap-1540	14	1	a	a	DET
ap-1540	14	2	mixture	mixture	NOUN
ap-1540	14	3	of	of	ADP
ap-1540	14	4	natural	natural	ADJ
ap-1540	14	5	gas	gas	NOUN
ap-1540	14	6	and	and	CCONJ
ap-1540	14	7	hydrogen	hydrogen	NOUN
ap-1540	14	8	will	will	AUX
ap-1540	14	9	above	above	ADV
ap-1540	14	10	all	all	PRON
ap-1540	14	11	be	be	AUX
ap-1540	14	12	used	use	VERB
ap-1540	14	13	to	to	PART
ap-1540	14	14	drive	drive	VERB
ap-1540	14	15	vehicles	vehicle	NOUN
ap-1540	14	16	in	in	ADP
ap-1540	14	17	urban	urban	ADJ
ap-1540	14	18	areas	area	NOUN
ap-1540	14	19	,	,	PUNCT
ap-1540	14	20	where	where	SCONJ
ap-1540	14	21	there	there	PRON
ap-1540	14	22	are	be	VERB
ap-1540	14	23	higher	high	ADJ
ap-1540	14	24	requirements	requirement	NOUN
ap-1540	14	25	on	on	ADP
ap-1540	14	26	complying	comply	VERB
ap-1540	14	27	with	with	ADP
ap-1540	14	28	emission	emission	NOUN
ap-1540	14	29	regulations	regulation	NOUN
ap-1540	14	30	.	.	PUNCT
ap-1540	15	1	this	this	DET
ap-1540	15	2	mixture	mixture	NOUN
ap-1540	15	3	combines	combine	VERB
ap-1540	15	4	the	the	DET
ap-1540	15	5	advantages	advantage	NOUN
ap-1540	15	6	of	of	ADP
ap-1540	15	7	the	the	DET
ap-1540	15	8	individual	individual	ADJ
ap-1540	15	9	components	component	NOUN
ap-1540	15	10	of	of	ADP
ap-1540	15	11	the	the	DET
ap-1540	15	12	mixture	mixture	NOUN
ap-1540	15	13	.	.	PUNCT
ap-1540	16	1	the	the	DET
ap-1540	16	2	current	current	ADJ
ap-1540	16	3	natural	natural	ADJ
ap-1540	16	4	gas	gas	NOUN
ap-1540	16	5	(	(	PUNCT
ap-1540	16	6	h2ng0	h2ng0	ADV
ap-1540	16	7	)	)	PUNCT
ap-1540	16	8	is	be	AUX
ap-1540	16	9	made	make	VERB
ap-1540	16	10	up	up	ADP
ap-1540	16	11	mainly	mainly	ADV
ap-1540	16	12	of	of	ADP
ap-1540	16	13	methane	methane	NOUN
ap-1540	16	14	(	(	PUNCT
ap-1540	16	15	97	97	NUM
ap-1540	16	16	%	%	NOUN
ap-1540	16	17	vol	vol	NOUN
ap-1540	16	18	.	.	PUNCT
ap-1540	16	19	)	)	PUNCT
ap-1540	16	20	,	,	PUNCT
ap-1540	16	21	and	and	CCONJ
ap-1540	16	22	has	have	VERB
ap-1540	16	23	a	a	DET
ap-1540	16	24	calorific	calorific	ADJ
ap-1540	16	25	value	value	NOUN
ap-1540	16	26	of	of	ADP
ap-1540	16	27	50	50	NUM
ap-1540	16	28	mj	mj	NOUN
ap-1540	16	29	·	·	PUNCT
ap-1540	16	30	kg−1	kg−1	PROPN
ap-1540	16	31	and	and	CCONJ
ap-1540	16	32	an	an	DET
ap-1540	16	33	octane	octane	NOUN
ap-1540	16	34	number	number	NOUN
ap-1540	16	35	of	of	ADP
ap-1540	16	36	130	130	NUM
ap-1540	16	37	.	.	PUNCT
ap-1540	17	1	a	a	DET
ap-1540	17	2	combination	combination	NOUN
ap-1540	17	3	of	of	ADP
ap-1540	17	4	this	this	DET
ap-1540	17	5	natural	natural	ADJ
ap-1540	17	6	gas	gas	NOUN
ap-1540	17	7	with	with	ADP
ap-1540	17	8	oxygen	oxygen	NOUN
ap-1540	17	9	to	to	PART
ap-1540	17	10	power	power	NOUN
ap-1540	17	11	internal	internal	ADJ
ap-1540	17	12	combustion	combustion	NOUN
ap-1540	17	13	engines	engine	NOUN
ap-1540	17	14	can	can	AUX
ap-1540	17	15	achieve	achieve	VERB
ap-1540	17	16	multiple	multiple	ADJ
ap-1540	17	17	benefits	benefit	NOUN
ap-1540	17	18	in	in	ADP
ap-1540	17	19	terms	term	NOUN
ap-1540	17	20	of	of	ADP
ap-1540	17	21	combustion	combustion	NOUN
ap-1540	17	22	and	and	CCONJ
ap-1540	17	23	emissions	emission	NOUN
ap-1540	17	24	:	:	PUNCT
ap-1540	17	25	–	–	PUNCT
ap-1540	17	26	limited	limit	VERB
ap-1540	17	27	flammability	flammability	NOUN
ap-1540	17	28	–	–	PUNCT
ap-1540	17	29	as	as	ADP
ap-1540	17	30	the	the	DET
ap-1540	17	31	proportion	proportion	NOUN
ap-1540	17	32	of	of	ADP
ap-1540	17	33	hydrogen	hydrogen	NOUN
ap-1540	17	34	in	in	ADP
ap-1540	17	35	the	the	DET
ap-1540	17	36	mixture	mixture	NOUN
ap-1540	17	37	with	with	ADP
ap-1540	17	38	natural	natural	ADJ
ap-1540	17	39	gas	gas	NOUN
ap-1540	17	40	increases	increase	NOUN
ap-1540	17	41	,	,	PUNCT
ap-1540	17	42	the	the	DET
ap-1540	17	43	flammability	flammability	NOUN
ap-1540	17	44	range	range	NOUN
ap-1540	17	45	also	also	ADV
ap-1540	17	46	increases	increase	VERB
ap-1540	17	47	.	.	PUNCT
ap-1540	18	1	a	a	DET
ap-1540	18	2	mixture	mixture	NOUN
ap-1540	18	3	that	that	PRON
ap-1540	18	4	contains	contain	VERB
ap-1540	18	5	30	30	NUM
ap-1540	18	6	%	%	NOUN
ap-1540	18	7	of	of	ADP
ap-1540	18	8	hydrogen	hydrogen	NOUN
ap-1540	18	9	has	have	VERB
ap-1540	18	10	the	the	DET
ap-1540	18	11	theoretical	theoretical	ADJ
ap-1540	18	12	flammability	flammability	NOUN
ap-1540	18	13	range	range	NOUN
ap-1540	18	14	limit	limit	NOUN
ap-1540	18	15	λ	λ	NOUN
ap-1540	18	16	=(	=(	NOUN
ap-1540	18	17	2.67	2.67	NUM
ap-1540	18	18	to	to	ADP
ap-1540	18	19	0.52	0.52	NUM
ap-1540	18	20	)	)	PUNCT
ap-1540	18	21	,	,	PUNCT
ap-1540	18	22	while	while	SCONJ
ap-1540	18	23	when	when	SCONJ
ap-1540	18	24	natural	natural	ADJ
ap-1540	18	25	gas	gas	NOUN
ap-1540	18	26	is	be	AUX
ap-1540	18	27	burned	burn	VERB
ap-1540	18	28	λ	λ	PROPN
ap-1540	18	29	=(	=(	NOUN
ap-1540	18	30	1.92	1.92	NUM
ap-1540	18	31	to	to	ADP
ap-1540	18	32	0.57	0.57	NUM
ap-1540	18	33	)	)	PUNCT
ap-1540	18	34	.	.	PUNCT
ap-1540	19	1	–	–	PUNCT
ap-1540	19	2	ignition	ignition	NOUN
ap-1540	19	3	delay	delay	NOUN
ap-1540	19	4	time	time	NOUN
ap-1540	19	5	–	–	PUNCT
ap-1540	19	6	adding	add	VERB
ap-1540	19	7	hydrogen	hydrogen	NOUN
ap-1540	19	8	to	to	ADP
ap-1540	19	9	natural	natural	ADJ
ap-1540	19	10	gas	gas	NOUN
ap-1540	19	11	reduces	reduce	VERB
ap-1540	19	12	the	the	DET
ap-1540	19	13	delay	delay	NOUN
ap-1540	19	14	time	time	NOUN
ap-1540	19	15	of	of	ADP
ap-1540	19	16	ignition	ignition	NOUN
ap-1540	19	17	,	,	PUNCT
ap-1540	19	18	and	and	CCONJ
ap-1540	19	19	in	in	ADP
ap-1540	19	20	the	the	DET
ap-1540	19	21	case	case	NOUN
ap-1540	19	22	of	of	ADP
ap-1540	19	23	a	a	DET
ap-1540	19	24	5	5	NUM
ap-1540	19	25	%	%	NOUN
ap-1540	19	26	proportion	proportion	NOUN
ap-1540	19	27	of	of	ADP
ap-1540	19	28	hydrogen	hydrogen	NOUN
ap-1540	19	29	the	the	DET
ap-1540	19	30	delay	delay	NOUN
ap-1540	19	31	time	time	NOUN
ap-1540	19	32	is	be	AUX
ap-1540	19	33	reduced	reduce	VERB
ap-1540	19	34	to	to	ADP
ap-1540	19	35	about	about	ADV
ap-1540	19	36	one	one	NUM
ap-1540	19	37	half	half	NOUN
ap-1540	19	38	of	of	ADP
ap-1540	19	39	the	the	DET
ap-1540	19	40	delay	delay	NOUN
ap-1540	19	41	when	when	SCONJ
ap-1540	19	42	an	an	DET
ap-1540	19	43	internal	internal	ADJ
ap-1540	19	44	combustion	combustion	NOUN
ap-1540	19	45	engine	engine	NOUN
ap-1540	19	46	operates	operate	VERB
ap-1540	19	47	on	on	ADP
ap-1540	19	48	natural	natural	ADJ
ap-1540	19	49	gas	gas	NOUN
ap-1540	19	50	.	.	PUNCT
ap-1540	20	1	–	–	PUNCT
ap-1540	20	2	burning	burn	VERB
ap-1540	20	3	rate	rate	NOUN
ap-1540	20	4	–	–	PUNCT
ap-1540	20	5	increasing	increase	VERB
ap-1540	20	6	the	the	DET
ap-1540	20	7	proportion	proportion	NOUN
ap-1540	20	8	of	of	ADP
ap-1540	20	9	hydrogen	hydrogen	NOUN
ap-1540	20	10	in	in	ADP
ap-1540	20	11	the	the	DET
ap-1540	20	12	gas	gas	NOUN
ap-1540	20	13	mixture	mixture	NOUN
ap-1540	20	14	increases	increase	VERB
ap-1540	20	15	the	the	DET
ap-1540	20	16	flame	flame	NOUN
ap-1540	20	17	speed	speed	NOUN
ap-1540	20	18	,	,	PUNCT
ap-1540	20	19	and	and	CCONJ
ap-1540	20	20	hence	hence	ADV
ap-1540	20	21	the	the	DET
ap-1540	20	22	time	time	NOUN
ap-1540	20	23	of	of	ADP
ap-1540	20	24	burning	burn	VERB
ap-1540	20	25	the	the	DET
ap-1540	20	26	mixture	mixture	NOUN
ap-1540	20	27	itself	itself	PRON
ap-1540	20	28	,	,	PUNCT
ap-1540	20	29	resulting	result	VERB
ap-1540	20	30	in	in	ADP
ap-1540	20	31	faster	fast	ADJ
ap-1540	20	32	heat	heat	NOUN
ap-1540	20	33	release	release	NOUN
ap-1540	20	34	.	.	PUNCT
ap-1540	21	1	–	–	PUNCT
ap-1540	21	2	emissions	emission	NOUN
ap-1540	21	3	–	–	PUNCT
ap-1540	21	4	there	there	PRON
ap-1540	21	5	is	be	VERB
ap-1540	21	6	some	some	DET
ap-1540	21	7	reduction	reduction	NOUN
ap-1540	21	8	in	in	ADP
ap-1540	21	9	the	the	DET
ap-1540	21	10	content	content	NOUN
ap-1540	21	11	of	of	ADP
ap-1540	21	12	carbon	carbon	NOUN
ap-1540	21	13	(	(	PUNCT
ap-1540	21	14	co2	co2	NOUN
ap-1540	21	15	,	,	PUNCT
ap-1540	21	16	co	co	NOUN
ap-1540	21	17	,	,	PUNCT
ap-1540	21	18	chx	chx	PROPN
ap-1540	21	19	)	)	PUNCT
ap-1540	21	20	,	,	PUNCT
ap-1540	21	21	since	since	SCONJ
ap-1540	21	22	the	the	DET
ap-1540	21	23	addition	addition	NOUN
ap-1540	21	24	of	of	ADP
ap-1540	21	25	hydrogen	hydrogen	NOUN
ap-1540	21	26	increases	increase	VERB
ap-1540	21	27	the	the	DET
ap-1540	21	28	h	h	NOUN
ap-1540	21	29	/	/	SYM
ap-1540	21	30	c	c	NOUN
ap-1540	21	31	ratio	ratio	NOUN
ap-1540	21	32	.	.	PUNCT
ap-1540	22	1	however	however	ADV
ap-1540	22	2	,	,	PUNCT
ap-1540	22	3	the	the	DET
ap-1540	22	4	addition	addition	NOUN
ap-1540	22	5	of	of	ADP
ap-1540	22	6	hydrogen	hydrogen	NOUN
ap-1540	22	7	increases	increase	VERB
ap-1540	22	8	the	the	DET
ap-1540	22	9	amount	amount	NOUN
ap-1540	22	10	of	of	ADP
ap-1540	22	11	nox	nox	NOUN
ap-1540	22	12	,	,	PUNCT
ap-1540	22	13	because	because	SCONJ
ap-1540	22	14	there	there	PRON
ap-1540	22	15	is	be	VERB
ap-1540	22	16	an	an	DET
ap-1540	22	17	increase	increase	NOUN
ap-1540	22	18	in	in	ADP
ap-1540	22	19	the	the	DET
ap-1540	22	20	combustion	combustion	NOUN
ap-1540	22	21	temperature	temperature	NOUN
ap-1540	22	22	.	.	PUNCT
ap-1540	23	1	the	the	DET
ap-1540	23	2	second	second	ADJ
ap-1540	23	3	fuel	fuel	NOUN
ap-1540	23	4	types	type	NOUN
ap-1540	23	5	that	that	PRON
ap-1540	23	6	will	will	AUX
ap-1540	23	7	be	be	AUX
ap-1540	23	8	used	use	VERB
ap-1540	23	9	for	for	ADP
ap-1540	23	10	powering	power	VERB
ap-1540	23	11	internal	internal	ADJ
ap-1540	23	12	combustion	combustion	NOUN
ap-1540	23	13	engines	engine	NOUN
ap-1540	23	14	in	in	ADP
ap-1540	23	15	cogeneration	cogeneration	NOUN
ap-1540	23	16	units	unit	NOUN
ap-1540	23	17	are	be	AUX
ap-1540	23	18	called	call	VERB
ap-1540	23	19	synthesis	synthesis	NOUN
ap-1540	23	20	gases	gas	NOUN
ap-1540	23	21	.	.	PUNCT
ap-1540	24	1	these	these	DET
ap-1540	24	2	gases	gas	NOUN
ap-1540	24	3	are	be	AUX
ap-1540	24	4	derived	derive	VERB
ap-1540	24	5	mainly	mainly	ADV
ap-1540	24	6	by	by	ADP
ap-1540	24	7	gasification	gasification	NOUN
ap-1540	24	8	of	of	ADP
ap-1540	24	9	wastes	waste	NOUN
ap-1540	24	10	.	.	PUNCT
ap-1540	25	1	the	the	DET
ap-1540	25	2	fuel	fuel	NOUN
ap-1540	25	3	composition	composition	NOUN
ap-1540	25	4	depends	depend	VERB
ap-1540	25	5	on	on	ADP
ap-1540	25	6	the	the	DET
ap-1540	25	7	gasifier	gasifier	NOUN
ap-1540	25	8	that	that	PRON
ap-1540	25	9	is	be	AUX
ap-1540	25	10	used	use	VERB
ap-1540	25	11	,	,	PUNCT
ap-1540	25	12	and	and	CCONJ
ap-1540	25	13	on	on	ADP
ap-1540	25	14	the	the	DET
ap-1540	25	15	type	type	NOUN
ap-1540	25	16	of	of	ADP
ap-1540	25	17	waste	waste	NOUN
ap-1540	25	18	.	.	PUNCT
ap-1540	26	1	synthesis	synthesis	NOUN
ap-1540	26	2	gases	gas	NOUN
ap-1540	26	3	can	can	AUX
ap-1540	26	4	be	be	AUX
ap-1540	26	5	divided	divide	VERB
ap-1540	26	6	into	into	ADP
ap-1540	26	7	two	two	NUM
ap-1540	26	8	basic	basic	ADJ
ap-1540	26	9	groups	group	NOUN
ap-1540	26	10	.	.	PUNCT
ap-1540	27	1	the	the	DET
ap-1540	27	2	first	first	ADJ
ap-1540	27	3	group	group	NOUN
ap-1540	27	4	is	be	AUX
ap-1540	27	5	synthesis	synthesis	NOUN
ap-1540	27	6	gas	gas	NOUN
ap-1540	27	7	with	with	ADP
ap-1540	27	8	a	a	DET
ap-1540	27	9	30	30	NUM
ap-1540	27	10	%	%	NOUN
ap-1540	27	11	proportion	proportion	NOUN
ap-1540	27	12	of	of	ADP
ap-1540	27	13	inert	inert	ADJ
ap-1540	27	14	gases	gas	NOUN
ap-1540	27	15	,	,	PUNCT
ap-1540	27	16	and	and	CCONJ
ap-1540	27	17	the	the	DET
ap-1540	27	18	second	second	ADJ
ap-1540	27	19	group	group	NOUN
ap-1540	27	20	is	be	AUX
ap-1540	27	21	synthesis	synthesis	NOUN
ap-1540	27	22	gas	gas	NOUN
ap-1540	27	23	with	with	ADP
ap-1540	27	24	a	a	DET
ap-1540	27	25	60	60	NUM
ap-1540	27	26	%	%	NOUN
ap-1540	27	27	proportion	proportion	NOUN
ap-1540	27	28	of	of	ADP
ap-1540	27	29	inert	inert	ADJ
ap-1540	27	30	gases	gas	NOUN
ap-1540	27	31	.	.	PUNCT
ap-1540	28	1	the	the	DET
ap-1540	28	2	first	first	ADJ
ap-1540	28	3	group	group	NOUN
ap-1540	28	4	is	be	AUX
ap-1540	28	5	characterized	characterize	VERB
ap-1540	28	6	as	as	ADP
ap-1540	28	7	fuel	fuel	NOUN
ap-1540	28	8	syngas	syngas	NOUN
ap-1540	28	9	1	1	NUM
ap-1540	28	10	,	,	PUNCT
ap-1540	28	11	with	with	ADP
ap-1540	28	12	the	the	DET
ap-1540	28	13	following	follow	VERB
ap-1540	28	14	composition	composition	NOUN
ap-1540	28	15	—	—	PUNCT
ap-1540	28	16	(	(	PUNCT
ap-1540	28	17	ch4	ch4	NOUN
ap-1540	28	18	–	–	PUNCT
ap-1540	28	19	15	15	NUM
ap-1540	28	20	%	%	NOUN
ap-1540	28	21	h2	h2	NOUN
ap-1540	28	22	–	–	PUNCT
ap-1540	28	23	25	25	NUM
ap-1540	28	24	%	%	NOUN
ap-1540	28	25	co	co	X
ap-1540	28	26	–	–	PUNCT
ap-1540	28	27	30	30	NUM
ap-1540	28	28	%	%	NOUN
ap-1540	28	29	co2	co2	NOUN
ap-1540	28	30	–	–	PUNCT
ap-1540	28	31	25	25	NUM
ap-1540	28	32	%	%	NOUN
ap-1540	28	33	n2	n2	NOUN
ap-1540	28	34	–	–	PUNCT
ap-1540	28	35	5	5	NUM
ap-1540	28	36	%	%	NOUN
ap-1540	28	37	)	)	PUNCT
ap-1540	28	38	.	.	PUNCT
ap-1540	29	1	a	a	DET
ap-1540	29	2	typical	typical	ADJ
ap-1540	29	3	fuel	fuel	NOUN
ap-1540	29	4	in	in	ADP
ap-1540	29	5	the	the	DET
ap-1540	29	6	second	second	ADJ
ap-1540	29	7	group	group	NOUN
ap-1540	29	8	is	be	AUX
ap-1540	29	9	referred	refer	VERB
ap-1540	29	10	to	to	ADP
ap-1540	29	11	as	as	ADP
ap-1540	29	12	syngas	syngas	NOUN
ap-1540	29	13	2	2	NUM
ap-1540	29	14	,	,	PUNCT
ap-1540	29	15	and	and	CCONJ
ap-1540	29	16	has	have	VERB
ap-1540	29	17	the	the	DET
ap-1540	29	18	following	follow	VERB
ap-1540	29	19	composition	composition	NOUN
ap-1540	29	20	—	—	PUNCT
ap-1540	29	21	(	(	PUNCT
ap-1540	29	22	ch4	ch4	NOUN
ap-1540	29	23	–	–	PUNCT
ap-1540	29	24	10	10	NUM
ap-1540	29	25	%	%	NOUN
ap-1540	29	26	h2	h2	NOUN
ap-1540	29	27	–	–	PUNCT
ap-1540	29	28	15	15	NUM
ap-1540	29	29	%	%	NOUN
ap-1540	29	30	co	co	X
ap-1540	29	31	–	–	PUNCT
ap-1540	29	32	15	15	NUM
ap-1540	29	33	%	%	NOUN
ap-1540	29	34	co2	co2	NOUN
ap-1540	29	35	–	–	PUNCT
ap-1540	29	36	10	10	NUM
ap-1540	29	37	%	%	NOUN
ap-1540	29	38	n2	n2	NOUN
ap-1540	29	39	–	–	PUNCT
ap-1540	29	40	50	50	NUM
ap-1540	29	41	%	%	NOUN
ap-1540	29	42	)	)	PUNCT
ap-1540	29	43	.	.	PUNCT
ap-1540	30	1	in	in	ADP
ap-1540	30	2	23	23	NUM
ap-1540	30	3	acta	acta	PROPN
ap-1540	30	4	polytechnica	polytechnica	PROPN
ap-1540	30	5	vol	vol	NOUN
ap-1540	30	6	.	.	PROPN
ap-1540	30	7	52	52	NUM
ap-1540	30	8	no	no	NOUN
ap-1540	30	9	.	.	PUNCT
ap-1540	31	1	3/2012	3/2012	NUM
ap-1540	31	2	the	the	DET
ap-1540	31	3	rest	rest	NOUN
ap-1540	31	4	of	of	ADP
ap-1540	31	5	this	this	DET
ap-1540	31	6	paper	paper	NOUN
ap-1540	31	7	these	these	DET
ap-1540	31	8	fuels	fuel	NOUN
ap-1540	31	9	(	(	PUNCT
ap-1540	31	10	h2ng0	h2ng0	ADV
ap-1540	31	11	,	,	PUNCT
ap-1540	31	12	h2ng15	h2ng15	PROPN
ap-1540	31	13	,	,	PUNCT
ap-1540	31	14	syngas	syngas	NOUN
ap-1540	31	15	1	1	NUM
ap-1540	31	16	and	and	CCONJ
ap-1540	31	17	syngas	syngas	NOUN
ap-1540	31	18	2	2	NUM
ap-1540	31	19	)	)	PUNCT
ap-1540	31	20	will	will	AUX
ap-1540	31	21	be	be	AUX
ap-1540	31	22	used	use	VERB
ap-1540	31	23	to	to	PART
ap-1540	31	24	drive	drive	VERB
ap-1540	31	25	a	a	DET
ap-1540	31	26	lombardini	lombardini	NOUN
ap-1540	31	27	lwg	lwg	ADJ
ap-1540	31	28	702	702	NUM
ap-1540	31	29	internal	internal	ADJ
ap-1540	31	30	combustion	combustion	NOUN
ap-1540	31	31	engine	engine	NOUN
ap-1540	31	32	,	,	PUNCT
ap-1540	31	33	and	and	CCONJ
ap-1540	31	34	the	the	DET
ap-1540	31	35	parameters	parameter	NOUN
ap-1540	31	36	will	will	AUX
ap-1540	31	37	be	be	AUX
ap-1540	31	38	evaluated	evaluate	VERB
ap-1540	31	39	.	.	PUNCT
ap-1540	32	1	2	2	NUM
ap-1540	32	2	lombardini	lombardini	PROPN
ap-1540	32	3	lgw	lgw	PROPN
ap-1540	32	4	702	702	NUM
ap-1540	32	5	combustion	combustion	NOUN
ap-1540	32	6	engine	engine	NOUN
ap-1540	32	7	our	our	PRON
ap-1540	32	8	workplace	workplace	NOUN
ap-1540	32	9	has	have	AUX
ap-1540	32	10	been	be	AUX
ap-1540	32	11	applying	apply	VERB
ap-1540	32	12	h2ng	h2ng	DET
ap-1540	32	13	gas	gas	NOUN
ap-1540	32	14	mixtures	mixture	NOUN
ap-1540	32	15	(	(	PUNCT
ap-1540	32	16	0	0	NUM
ap-1540	32	17	to	to	PART
ap-1540	32	18	30	30	NUM
ap-1540	32	19	%	%	NOUN
ap-1540	32	20	vol	vol	NOUN
ap-1540	32	21	.	.	PUNCT
ap-1540	33	1	h2	h2	NOUN
ap-1540	33	2	)	)	PUNCT
ap-1540	34	1	to	to	PART
ap-1540	34	2	drive	drive	VERB
ap-1540	34	3	an	an	DET
ap-1540	34	4	lgw	lgw	PROPN
ap-1540	34	5	702	702	NUM
ap-1540	34	6	internal	internal	ADJ
ap-1540	34	7	combustion	combustion	NOUN
ap-1540	34	8	engine	engine	NOUN
ap-1540	34	9	.	.	PUNCT
ap-1540	35	1	this	this	PRON
ap-1540	35	2	is	be	AUX
ap-1540	35	3	a	a	DET
ap-1540	35	4	two	two	NUM
ap-1540	35	5	-	-	PUNCT
ap-1540	35	6	cylinder	cylinder	NOUN
ap-1540	35	7	gas	gas	NOUN
ap-1540	35	8	engine	engine	NOUN
ap-1540	35	9	with	with	ADP
ap-1540	35	10	electronically	electronically	ADV
ap-1540	35	11	controlled	control	VERB
ap-1540	35	12	richness	richness	NOUN
ap-1540	35	13	of	of	ADP
ap-1540	35	14	the	the	DET
ap-1540	35	15	mixture	mixture	NOUN
ap-1540	35	16	.	.	PUNCT
ap-1540	36	1	the	the	DET
ap-1540	36	2	basic	basic	ADJ
ap-1540	36	3	characteristics	characteristic	NOUN
ap-1540	36	4	of	of	ADP
ap-1540	36	5	the	the	DET
ap-1540	36	6	lgw	lgw	PROPN
ap-1540	36	7	702	702	NUM
ap-1540	36	8	engine	engine	NOUN
ap-1540	36	9	are	be	AUX
ap-1540	36	10	summarized	summarize	VERB
ap-1540	36	11	in	in	ADP
ap-1540	36	12	table	table	NOUN
ap-1540	36	13	1	1	NUM
ap-1540	36	14	.	.	PUNCT
ap-1540	37	1	before	before	ADP
ap-1540	37	2	the	the	DET
ap-1540	37	3	actual	actual	ADJ
ap-1540	37	4	application	application	NOUN
ap-1540	37	5	of	of	ADP
ap-1540	37	6	the	the	DET
ap-1540	37	7	gas	gas	NOUN
ap-1540	37	8	mixture	mixture	NOUN
ap-1540	37	9	in	in	ADP
ap-1540	37	10	a	a	DET
ap-1540	37	11	combustion	combustion	NOUN
ap-1540	37	12	engine	engine	NOUN
ap-1540	37	13	,	,	PUNCT
ap-1540	37	14	it	it	PRON
ap-1540	37	15	was	be	AUX
ap-1540	37	16	necessary	necessary	ADJ
ap-1540	37	17	to	to	PART
ap-1540	37	18	make	make	VERB
ap-1540	37	19	a	a	DET
ap-1540	37	20	simulation	simulation	NOUN
ap-1540	37	21	analysis	analysis	NOUN
ap-1540	37	22	to	to	PART
ap-1540	37	23	obtain	obtain	VERB
ap-1540	37	24	an	an	DET
ap-1540	37	25	indicative	indicative	ADJ
ap-1540	37	26	idea	idea	NOUN
ap-1540	37	27	of	of	ADP
ap-1540	37	28	the	the	DET
ap-1540	37	29	behaviour	behaviour	NOUN
ap-1540	37	30	of	of	ADP
ap-1540	37	31	the	the	DET
ap-1540	37	32	internal	internal	ADJ
ap-1540	37	33	combustion	combustion	NOUN
ap-1540	37	34	engine	engine	NOUN
ap-1540	37	35	with	with	ADP
ap-1540	37	36	a	a	DET
ap-1540	37	37	given	give	VERB
ap-1540	37	38	fuel	fuel	NOUN
ap-1540	37	39	mixture	mixture	NOUN
ap-1540	37	40	.	.	PUNCT
ap-1540	38	1	simulations	simulation	NOUN
ap-1540	38	2	were	be	AUX
ap-1540	38	3	performed	perform	VERB
ap-1540	38	4	on	on	ADP
ap-1540	38	5	a	a	DET
ap-1540	38	6	one	one	NUM
ap-1540	38	7	-	-	PUNCT
ap-1540	38	8	zone	zone	NOUN
ap-1540	38	9	model	model	NOUN
ap-1540	38	10	of	of	ADP
ap-1540	38	11	combustion	combustion	NOUN
ap-1540	38	12	for	for	ADP
ap-1540	38	13	the	the	DET
ap-1540	38	14	lgw	lgw	PROPN
ap-1540	38	15	702	702	NUM
ap-1540	38	16	engine	engine	NOUN
ap-1540	38	17	,	,	PUNCT
ap-1540	38	18	in	in	ADP
ap-1540	38	19	the	the	DET
ap-1540	38	20	lotus	lotus	PROPN
ap-1540	38	21	engine	engine	NOUN
ap-1540	38	22	simulation	simulation	NOUN
ap-1540	38	23	calculation	calculation	NOUN
ap-1540	38	24	program	program	NOUN
ap-1540	38	25	(	(	PUNCT
ap-1540	38	26	les	les	PROPN
ap-1540	38	27	)	)	PUNCT
ap-1540	38	28	.	.	PUNCT
ap-1540	39	1	this	this	DET
ap-1540	39	2	program	program	NOUN
ap-1540	39	3	is	be	AUX
ap-1540	39	4	used	use	VERB
ap-1540	39	5	for	for	ADP
ap-1540	39	6	simulating	simulate	VERB
ap-1540	39	7	the	the	DET
ap-1540	39	8	operation	operation	NOUN
ap-1540	39	9	of	of	ADP
ap-1540	39	10	the	the	DET
ap-1540	39	11	internal	internal	ADJ
ap-1540	39	12	combustion	combustion	NOUN
ap-1540	39	13	engine	engine	NOUN
ap-1540	39	14	,	,	PUNCT
ap-1540	39	15	and	and	CCONJ
ap-1540	39	16	it	it	PRON
ap-1540	39	17	is	be	AUX
ap-1540	39	18	also	also	ADV
ap-1540	39	19	used	use	VERB
ap-1540	39	20	as	as	ADP
ap-1540	39	21	a	a	DET
ap-1540	39	22	valuable	valuable	ADJ
ap-1540	39	23	source	source	NOUN
ap-1540	39	24	of	of	ADP
ap-1540	39	25	information	information	NOUN
ap-1540	39	26	on	on	ADP
ap-1540	39	27	the	the	DET
ap-1540	39	28	operational	operational	ADJ
ap-1540	39	29	parameters	parameter	NOUN
ap-1540	39	30	of	of	ADP
ap-1540	39	31	the	the	DET
ap-1540	39	32	lgw	lgw	PROPN
ap-1540	39	33	702	702	NUM
ap-1540	39	34	internal	internal	ADJ
ap-1540	39	35	combustion	combustion	NOUN
ap-1540	39	36	engine	engine	NOUN
ap-1540	39	37	in	in	ADP
ap-1540	39	38	reaction	reaction	NOUN
ap-1540	39	39	to	to	ADP
ap-1540	39	40	various	various	ADJ
ap-1540	39	41	gas	gas	NOUN
ap-1540	39	42	mixtures	mixture	NOUN
ap-1540	39	43	that	that	PRON
ap-1540	39	44	will	will	AUX
ap-1540	39	45	be	be	AUX
ap-1540	39	46	experimentally	experimentally	ADV
ap-1540	39	47	verified	verify	VERB
ap-1540	39	48	step	step	NOUN
ap-1540	39	49	-	-	PUNCT
ap-1540	39	50	by	by	ADP
ap-1540	39	51	-	-	PUNCT
ap-1540	39	52	step	step	NOUN
ap-1540	39	53	.	.	PUNCT
ap-1540	40	1	the	the	DET
ap-1540	40	2	basic	basic	ADJ
ap-1540	40	3	parameters	parameter	NOUN
ap-1540	40	4	required	require	VERB
ap-1540	40	5	as	as	ADP
ap-1540	40	6	input	input	NOUN
ap-1540	40	7	data	datum	NOUN
ap-1540	40	8	characterizing	characterize	VERB
ap-1540	40	9	a	a	DET
ap-1540	40	10	fuel	fuel	NOUN
ap-1540	40	11	in	in	ADP
ap-1540	40	12	the	the	DET
ap-1540	40	13	les	le	NOUN
ap-1540	40	14	program	program	NOUN
ap-1540	40	15	are	be	AUX
ap-1540	40	16	shown	show	VERB
ap-1540	40	17	in	in	ADP
ap-1540	40	18	table	table	NOUN
ap-1540	40	19	2	2	NUM
ap-1540	40	20	.	.	PUNCT
ap-1540	40	21	figure	figure	NOUN
ap-1540	40	22	1	1	NUM
ap-1540	40	23	shows	show	VERB
ap-1540	40	24	a	a	DET
ap-1540	40	25	model	model	NOUN
ap-1540	40	26	of	of	ADP
ap-1540	40	27	the	the	DET
ap-1540	40	28	lgw	lgw	PROPN
ap-1540	40	29	702	702	NUM
ap-1540	40	30	engine	engine	NOUN
ap-1540	40	31	in	in	ADP
ap-1540	40	32	the	the	DET
ap-1540	40	33	les	le	NOUN
ap-1540	40	34	program	program	NOUN
ap-1540	40	35	.	.	PUNCT
ap-1540	41	1	this	this	DET
ap-1540	41	2	model	model	NOUN
ap-1540	41	3	will	will	AUX
ap-1540	41	4	serve	serve	VERB
ap-1540	41	5	us	we	PRON
ap-1540	41	6	later	later	ADV
ap-1540	41	7	to	to	PART
ap-1540	41	8	optimize	optimize	VERB
ap-1540	41	9	the	the	DET
ap-1540	41	10	combustion	combustion	NOUN
ap-1540	41	11	engine	engine	NOUN
ap-1540	41	12	in	in	ADP
ap-1540	41	13	terms	term	NOUN
ap-1540	41	14	of	of	ADP
ap-1540	41	15	performance	performance	NOUN
ap-1540	41	16	parameters	parameter	NOUN
ap-1540	41	17	for	for	ADP
ap-1540	41	18	various	various	ADJ
ap-1540	41	19	types	type	NOUN
ap-1540	41	20	of	of	ADP
ap-1540	41	21	fuel	fuel	NOUN
ap-1540	41	22	blends	blend	NOUN
ap-1540	41	23	.	.	PUNCT
ap-1540	42	1	table	table	NOUN
ap-1540	42	2	1	1	NUM
ap-1540	42	3	:	:	PUNCT
ap-1540	42	4	main	main	ADJ
ap-1540	42	5	parameters	parameter	NOUN
ap-1540	42	6	of	of	ADP
ap-1540	42	7	the	the	DET
ap-1540	42	8	lgw	lgw	PROPN
ap-1540	42	9	702	702	NUM
ap-1540	42	10	internal	internal	ADJ
ap-1540	42	11	combustion	combustion	NOUN
ap-1540	42	12	engine	engine	NOUN
ap-1540	42	13	principle	principle	NOUN
ap-1540	42	14	of	of	ADP
ap-1540	42	15	operation	operation	NOUN
ap-1540	42	16	spark	spark	NOUN
ap-1540	42	17	ignition	ignition	NOUN
ap-1540	42	18	number	number	NOUN
ap-1540	42	19	of	of	ADP
ap-1540	42	20	cylinders	cylinder	NOUN
ap-1540	42	21	and	and	CCONJ
ap-1540	42	22	their	their	PRON
ap-1540	42	23	positions	position	NOUN
ap-1540	42	24	2	2	NUM
ap-1540	42	25	,	,	PUNCT
ap-1540	42	26	in	in	ADP
ap-1540	42	27	-	-	PUNCT
ap-1540	42	28	line	line	NOUN
ap-1540	42	29	angle	angle	NOUN
ap-1540	42	30	of	of	ADP
ap-1540	42	31	crank	crank	NOUN
ap-1540	42	32	throw	throw	NOUN
ap-1540	42	33	[	[	X
ap-1540	42	34	◦	◦	NOUN
ap-1540	42	35	]	]	X
ap-1540	42	36	360	360	NUM
ap-1540	42	37	displacement	displacement	NOUN
ap-1540	43	1	[	[	X
ap-1540	43	2	cm3	cm3	NOUN
ap-1540	43	3	]	]	PUNCT
ap-1540	43	4	686	686	NUM
ap-1540	43	5	bore	bore	NOUN
ap-1540	43	6	[	[	X
ap-1540	43	7	mm]/stroke[mm	mm]/stroke[mm	X
ap-1540	43	8	]	]	X
ap-1540	44	1	75/77.6	75/77.6	NUM
ap-1540	44	2	compression	compression	NOUN
ap-1540	44	3	ratio	ratio	NOUN
ap-1540	44	4	[	[	X
ap-1540	44	5	–	–	PUNCT
ap-1540	44	6	]	]	PUNCT
ap-1540	44	7	12.5	12.5	NUM
ap-1540	44	8	:	:	SYM
ap-1540	44	9	1	1	NUM
ap-1540	44	10	double	double	ADJ
ap-1540	44	11	overhead	overhead	ADJ
ap-1540	44	12	camshafts	camshaft	NOUN
ap-1540	44	13	,	,	PUNCT
ap-1540	44	14	drive	drive	VERB
ap-1540	44	15	ohc	ohc	NOUN
ap-1540	44	16	,	,	PUNCT
ap-1540	44	17	gearing	gear	VERB
ap-1540	44	18	belt	belt	NOUN
ap-1540	44	19	valve	valve	NOUN
ap-1540	44	20	timing	time	VERB
ap-1540	44	21	ivo	ivo	PROPN
ap-1540	44	22	–	–	PUNCT
ap-1540	44	23	18	18	NUM
ap-1540	44	24	◦	◦	NOUN
ap-1540	44	25	btdc	btdc	PROPN
ap-1540	44	26	,	,	PUNCT
ap-1540	44	27	ivc	ivc	PROPN
ap-1540	44	28	–	–	PUNCT
ap-1540	44	29	34	34	NUM
ap-1540	44	30	◦	◦	NOUN
ap-1540	44	31	abdc	abdc	PROPN
ap-1540	44	32	evo	evo	PROPN
ap-1540	44	33	–	–	PUNCT
ap-1540	44	34	32	32	NUM
ap-1540	44	35	◦	◦	NOUN
ap-1540	44	36	bbdc	bbdc	NOUN
ap-1540	44	37	,	,	PUNCT
ap-1540	44	38	evc	evc	PROPN
ap-1540	44	39	–	–	PUNCT
ap-1540	44	40	32	32	NUM
ap-1540	44	41	◦	◦	NOUN
ap-1540	44	42	atdc	atdc	NOUN
ap-1540	44	43	preparation	preparation	NOUN
ap-1540	44	44	of	of	ADP
ap-1540	44	45	mixture	mixture	NOUN
ap-1540	44	46	external	external	ADJ
ap-1540	44	47	,	,	PUNCT
ap-1540	44	48	in	in	ADP
ap-1540	44	49	a	a	DET
ap-1540	44	50	mixer	mixer	NOUN
ap-1540	44	51	,	,	PUNCT
ap-1540	44	52	with	with	ADP
ap-1540	44	53	electronic	electronic	ADJ
ap-1540	44	54	regulation	regulation	NOUN
ap-1540	44	55	of	of	ADP
ap-1540	44	56	the	the	DET
ap-1540	44	57	air	air	NOUN
ap-1540	44	58	excess	excess	ADJ
ap-1540	44	59	ratio	ratio	NOUN
ap-1540	44	60	,	,	PUNCT
ap-1540	44	61	voila	voila	PROPN
ap-1540	44	62	plus	plus	CCONJ
ap-1540	44	63	system	system	NOUN
ap-1540	44	64	cooling	cool	VERB
ap-1540	44	65	by	by	ADP
ap-1540	44	66	liquid	liquid	NOUN
ap-1540	44	67	,	,	PUNCT
ap-1540	44	68	with	with	ADP
ap-1540	44	69	forced	force	VERB
ap-1540	44	70	circulation	circulation	NOUN
ap-1540	44	71	,	,	PUNCT
ap-1540	44	72	double	double	ADV
ap-1540	44	73	circular	circular	ADJ
ap-1540	44	74	,	,	PUNCT
ap-1540	44	75	controlled	control	VERB
ap-1540	44	76	with	with	ADP
ap-1540	44	77	a	a	DET
ap-1540	44	78	thermostat	thermostat	NOUN
ap-1540	44	79	,	,	PUNCT
ap-1540	44	80	cooler	cooler	ADJ
ap-1540	44	81	ventilated	ventilate	VERB
ap-1540	44	82	lubrication	lubrication	NOUN
ap-1540	44	83	pressure	pressure	NOUN
ap-1540	44	84	,	,	PUNCT
ap-1540	44	85	forced	force	VERB
ap-1540	44	86	-	-	PUNCT
ap-1540	44	87	feed	feed	NOUN
ap-1540	44	88	lubrication	lubrication	NOUN
ap-1540	44	89	,	,	PUNCT
ap-1540	44	90	with	with	ADP
ap-1540	44	91	filtration	filtration	NOUN
ap-1540	44	92	,	,	PUNCT
ap-1540	44	93	oil	oil	NOUN
ap-1540	44	94	1.6	1.6	NUM
ap-1540	44	95	l	l	NOUN
ap-1540	44	96	mass	mass	NOUN
ap-1540	44	97	without	without	ADP
ap-1540	44	98	fillings	filling	NOUN
ap-1540	44	99	[	[	X
ap-1540	44	100	kg	kg	X
ap-1540	44	101	]	]	X
ap-1540	44	102	66	66	NUM
ap-1540	44	103	table	table	NOUN
ap-1540	44	104	2	2	NUM
ap-1540	44	105	:	:	PUNCT
ap-1540	44	106	basic	basic	ADJ
ap-1540	44	107	physical	physical	ADJ
ap-1540	44	108	-	-	PUNCT
ap-1540	44	109	chemical	chemical	NOUN
ap-1540	44	110	properties	property	NOUN
ap-1540	44	111	of	of	ADP
ap-1540	44	112	fuel	fuel	NOUN
ap-1540	44	113	mixtures	mixture	NOUN
ap-1540	44	114	fuel	fuel	NOUN
ap-1540	44	115	m	m	PROPN
ap-1540	44	116	h	h	NOUN
ap-1540	44	117	/	/	SYM
ap-1540	44	118	c	c	NOUN
ap-1540	44	119	ρ	ρ	PROPN
ap-1540	44	120	r	r	NOUN
ap-1540	44	121	hu	hu	PROPN
ap-1540	45	1	lt	lt	PRON
ap-1540	45	2	[	[	X
ap-1540	45	3	kg	kg	X
ap-1540	45	4	·	·	PUNCT
ap-1540	45	5	kmol−1	kmol−1	PROPN
ap-1540	45	6	]	]	X
ap-1540	46	1	[	[	X
ap-1540	46	2	–	–	PUNCT
ap-1540	46	3	]	]	X
ap-1540	46	4	[	[	X
ap-1540	46	5	kg	kg	X
ap-1540	46	6	·	·	SYM
ap-1540	46	7	m−3	m−3	NOUN
ap-1540	46	8	]	]	X
ap-1540	47	1	[	[	X
ap-1540	47	2	j	j	X
ap-1540	47	3	·	·	PUNCT
ap-1540	47	4	kg−1	kg−1	PROPN
ap-1540	47	5	·	·	PUNCT
ap-1540	47	6	k−1	k−1	PROPN
ap-1540	47	7	]	]	X
ap-1540	48	1	[	[	X
ap-1540	48	2	kj	kj	X
ap-1540	48	3	·	·	PUNCT
ap-1540	48	4	kg−1	kg−1	PROPN
ap-1540	48	5	]	]	X
ap-1540	49	1	[	[	X
ap-1540	49	2	kg	kg	X
ap-1540	49	3	·	·	PUNCT
ap-1540	49	4	kg−1	kg−1	X
ap-1540	49	5	]	]	X
ap-1540	49	6	h2ng0	h2ng0	ADJ
ap-1540	49	7	16.64	16.64	NUM
ap-1540	49	8	3.93	3.93	NUM
ap-1540	49	9	0.705	0.705	NUM
ap-1540	49	10	499.7	499.7	NUM
ap-1540	49	11	48	48	NUM
ap-1540	49	12	825	825	NUM
ap-1540	49	13	17.00	17.00	NUM
ap-1540	49	14	h2ng15	h2ng15	NOUN
ap-1540	49	15	14.45	14.45	NUM
ap-1540	49	16	4.28	4.28	NUM
ap-1540	49	17	0.613	0.613	NUM
ap-1540	49	18	575.4	575.4	NUM
ap-1540	49	19	50	50	NUM
ap-1540	49	20	314	314	NUM
ap-1540	49	21	17.36	17.36	NUM
ap-1540	49	22	syngas	syngas	NOUN
ap-1540	49	23	1	1	NUM
ap-1540	49	24	23.72	23.72	NUM
ap-1540	49	25	2.44	2.44	NUM
ap-1540	49	26	0.969	0.969	NUM
ap-1540	49	27	350.5	350.5	NUM
ap-1540	49	28	11	11	NUM
ap-1540	49	29	147	147	NUM
ap-1540	49	30	3.67	3.67	NUM
ap-1540	49	31	syngas	syngas	NOUN
ap-1540	49	32	2	2	NUM
ap-1540	49	33	24.52	24.52	NUM
ap-1540	49	34	2.80	2.80	NUM
ap-1540	49	35	1.002	1.002	NUM
ap-1540	49	36	339.1	339.1	NUM
ap-1540	49	37	6	6	NUM
ap-1540	49	38	418	418	NUM
ap-1540	49	39	2.11	2.11	NUM
ap-1540	49	40	24	24	NUM
ap-1540	49	41	acta	acta	PROPN
ap-1540	49	42	polytechnica	polytechnica	PROPN
ap-1540	49	43	vol	vol	NOUN
ap-1540	49	44	.	.	PROPN
ap-1540	50	1	52	52	NUM
ap-1540	50	2	no	no	NOUN
ap-1540	50	3	.	.	PUNCT
ap-1540	51	1	3/2012	3/2012	NUM
ap-1540	51	2	figure	figure	NOUN
ap-1540	51	3	1	1	NUM
ap-1540	51	4	:	:	PUNCT
ap-1540	51	5	virtual	virtual	ADJ
ap-1540	51	6	model	model	NOUN
ap-1540	51	7	of	of	ADP
ap-1540	51	8	the	the	DET
ap-1540	51	9	lgw	lgw	PROPN
ap-1540	51	10	702	702	NUM
ap-1540	51	11	engine	engine	NOUN
ap-1540	51	12	in	in	ADP
ap-1540	51	13	the	the	DET
ap-1540	51	14	lotus	lotus	PROPN
ap-1540	51	15	engine	engine	NOUN
ap-1540	51	16	simulation	simulation	NOUN
ap-1540	51	17	program	program	NOUN
ap-1540	51	18	figure	figure	NOUN
ap-1540	51	19	2	2	NUM
ap-1540	51	20	:	:	PUNCT
ap-1540	51	21	course	course	NOUN
ap-1540	51	22	of	of	ADP
ap-1540	51	23	the	the	DET
ap-1540	51	24	measured	measure	VERB
ap-1540	51	25	and	and	CCONJ
ap-1540	51	26	calculated	calculate	VERB
ap-1540	51	27	torque	torque	PROPN
ap-1540	51	28	mt	mt	PROPN
ap-1540	51	29	,	,	PUNCT
ap-1540	51	30	and	and	CCONJ
ap-1540	51	31	specific	specific	ADJ
ap-1540	51	32	fuel	fuel	NOUN
ap-1540	51	33	consumption	consumption	NOUN
ap-1540	51	34	mpe	mpe	NOUN
ap-1540	51	35	,	,	PUNCT
ap-1540	51	36	depending	depend	VERB
ap-1540	51	37	on	on	ADP
ap-1540	51	38	the	the	DET
ap-1540	51	39	speed	speed	NOUN
ap-1540	51	40	n	n	PROPN
ap-1540	51	41	of	of	ADP
ap-1540	51	42	the	the	DET
ap-1540	51	43	lgw	lgw	PROPN
ap-1540	51	44	702	702	NUM
ap-1540	51	45	engine	engine	NOUN
ap-1540	51	46	for	for	ADP
ap-1540	51	47	h2ng0	h2ng0	ADJ
ap-1540	51	48	and	and	CCONJ
ap-1540	51	49	h2ng15	h2ng15	ADJ
ap-1540	51	50	mixtures	mixture	NOUN
ap-1540	51	51	figure	figure	VERB
ap-1540	51	52	3	3	NUM
ap-1540	51	53	:	:	PUNCT
ap-1540	51	54	course	course	NOUN
ap-1540	51	55	of	of	ADP
ap-1540	51	56	the	the	DET
ap-1540	51	57	calculated	calculate	VERB
ap-1540	51	58	effective	effective	ADJ
ap-1540	51	59	efficiency	efficiency	NOUN
ap-1540	51	60	ηe	ηe	ADP
ap-1540	51	61	and	and	CCONJ
ap-1540	51	62	the	the	DET
ap-1540	51	63	fuel	fuel	NOUN
ap-1540	51	64	consumption	consumption	NOUN
ap-1540	51	65	mf	mf	NOUN
ap-1540	51	66	of	of	ADP
ap-1540	51	67	the	the	DET
ap-1540	51	68	lgw	lgw	PROPN
ap-1540	51	69	702	702	NUM
ap-1540	51	70	internal	internal	ADJ
ap-1540	51	71	combustion	combustion	NOUN
ap-1540	51	72	engine	engine	NOUN
ap-1540	51	73	for	for	ADP
ap-1540	51	74	various	various	ADJ
ap-1540	51	75	fuels	fuel	NOUN
ap-1540	51	76	for	for	ADP
ap-1540	51	77	a	a	DET
ap-1540	51	78	stoichiometric	stoichiometric	ADJ
ap-1540	51	79	mixture	mixture	NOUN
ap-1540	51	80	and	and	CCONJ
ap-1540	51	81	a	a	DET
ap-1540	51	82	full	full	ADJ
ap-1540	51	83	load	load	NOUN
ap-1540	51	84	25	25	NUM
ap-1540	51	85	acta	acta	PROPN
ap-1540	51	86	polytechnica	polytechnica	PROPN
ap-1540	51	87	vol	vol	NOUN
ap-1540	51	88	.	.	PROPN
ap-1540	52	1	52	52	NUM
ap-1540	52	2	no	no	NOUN
ap-1540	52	3	.	.	PUNCT
ap-1540	53	1	3/2012	3/2012	NUM
ap-1540	53	2	figure	figure	NOUN
ap-1540	53	3	4	4	NUM
ap-1540	53	4	:	:	PUNCT
ap-1540	53	5	course	course	NOUN
ap-1540	53	6	of	of	ADP
ap-1540	53	7	the	the	DET
ap-1540	53	8	composition	composition	NOUN
ap-1540	53	9	of	of	ADP
ap-1540	53	10	the	the	DET
ap-1540	53	11	exhaust	exhaust	NOUN
ap-1540	53	12	gases	gas	NOUN
ap-1540	53	13	,	,	PUNCT
ap-1540	53	14	measured	measure	VERB
ap-1540	53	15	behind	behind	ADP
ap-1540	53	16	the	the	DET
ap-1540	53	17	catalytic	catalytic	ADJ
ap-1540	53	18	converter	converter	NOUN
ap-1540	53	19	,	,	PUNCT
ap-1540	53	20	in	in	ADP
ap-1540	53	21	dependence	dependence	NOUN
ap-1540	53	22	on	on	ADP
ap-1540	53	23	the	the	DET
ap-1540	53	24	richness	richness	NOUN
ap-1540	53	25	of	of	ADP
ap-1540	53	26	the	the	DET
ap-1540	53	27	mixture	mixture	NOUN
ap-1540	53	28	,	,	PUNCT
ap-1540	53	29	for	for	ADP
ap-1540	53	30	blends	blend	NOUN
ap-1540	53	31	h2ng0	h2ng0	ADV
ap-1540	53	32	(	(	PUNCT
ap-1540	53	33	0	0	NUM
ap-1540	53	34	%	%	NOUN
ap-1540	53	35	vol	vol	NOUN
ap-1540	53	36	.	.	PUNCT
ap-1540	53	37	h2	h2	PROPN
ap-1540	53	38	)	)	PUNCT
ap-1540	53	39	and	and	CCONJ
ap-1540	53	40	h2ng15	h2ng15	PROPN
ap-1540	53	41	(	(	PUNCT
ap-1540	53	42	15	15	NUM
ap-1540	53	43	%	%	NOUN
ap-1540	53	44	vol	vol	NOUN
ap-1540	53	45	.	.	PUNCT
ap-1540	53	46	h2	h2	PROPN
ap-1540	53	47	)	)	PUNCT
ap-1540	53	48	at	at	ADP
ap-1540	53	49	full	full	ADJ
ap-1540	53	50	load	load	NOUN
ap-1540	53	51	and	and	CCONJ
ap-1540	53	52	at	at	ADP
ap-1540	53	53	an	an	DET
ap-1540	53	54	internal	internal	ADJ
ap-1540	53	55	combustion	combustion	NOUN
ap-1540	53	56	engine	engine	NOUN
ap-1540	53	57	speed	speed	NOUN
ap-1540	53	58	of	of	ADP
ap-1540	53	59	1	1	NUM
ap-1540	53	60	800	800	NUM
ap-1540	53	61	min−1	min−1	PROPN
ap-1540	53	62	3	3	NUM
ap-1540	53	63	results	result	NOUN
ap-1540	53	64	of	of	ADP
ap-1540	53	65	the	the	DET
ap-1540	53	66	simulations	simulation	NOUN
ap-1540	53	67	and	and	CCONJ
ap-1540	53	68	experiments	experiment	NOUN
ap-1540	53	69	figure	figure	VERB
ap-1540	53	70	2	2	NUM
ap-1540	53	71	shows	show	VERB
ap-1540	53	72	two	two	NUM
ap-1540	53	73	basic	basic	ADJ
ap-1540	53	74	indicators	indicator	NOUN
ap-1540	53	75	of	of	ADP
ap-1540	53	76	the	the	DET
ap-1540	53	77	internal	internal	ADJ
ap-1540	53	78	combustion	combustion	NOUN
ap-1540	53	79	engine	engine	NOUN
ap-1540	53	80	(	(	PUNCT
ap-1540	53	81	torque	torque	NOUN
ap-1540	53	82	and	and	CCONJ
ap-1540	53	83	specific	specific	ADJ
ap-1540	53	84	fuel	fuel	NOUN
ap-1540	53	85	consumption	consumption	NOUN
ap-1540	53	86	)	)	PUNCT
ap-1540	53	87	,	,	PUNCT
ap-1540	53	88	which	which	PRON
ap-1540	53	89	serve	serve	VERB
ap-1540	53	90	for	for	ADP
ap-1540	53	91	comparing	compare	VERB
ap-1540	53	92	the	the	DET
ap-1540	53	93	simulation	simulation	NOUN
ap-1540	53	94	and	and	CCONJ
ap-1540	53	95	the	the	DET
ap-1540	53	96	experiment	experiment	NOUN
ap-1540	53	97	.	.	PUNCT
ap-1540	54	1	a	a	DET
ap-1540	54	2	comparison	comparison	NOUN
ap-1540	54	3	of	of	ADP
ap-1540	54	4	the	the	DET
ap-1540	54	5	simulations	simulation	NOUN
ap-1540	54	6	and	and	CCONJ
ap-1540	54	7	the	the	DET
ap-1540	54	8	experimental	experimental	ADJ
ap-1540	54	9	measurements	measurement	NOUN
ap-1540	54	10	showed	show	VERB
ap-1540	54	11	that	that	SCONJ
ap-1540	54	12	the	the	DET
ap-1540	54	13	difference	difference	NOUN
ap-1540	54	14	between	between	ADP
ap-1540	54	15	the	the	DET
ap-1540	54	16	real	real	ADJ
ap-1540	54	17	engine	engine	NOUN
ap-1540	54	18	and	and	CCONJ
ap-1540	54	19	the	the	DET
ap-1540	54	20	virtual	virtual	ADJ
ap-1540	54	21	model	model	NOUN
ap-1540	54	22	of	of	ADP
ap-1540	54	23	the	the	DET
ap-1540	54	24	engine	engine	NOUN
ap-1540	54	25	was	be	AUX
ap-1540	54	26	approximately	approximately	ADV
ap-1540	54	27	2	2	NUM
ap-1540	54	28	%	%	NOUN
ap-1540	54	29	.	.	PUNCT
ap-1540	55	1	the	the	DET
ap-1540	55	2	experimental	experimental	ADJ
ap-1540	55	3	results	result	NOUN
ap-1540	55	4	also	also	ADV
ap-1540	55	5	showed	show	VERB
ap-1540	55	6	that	that	SCONJ
ap-1540	55	7	the	the	DET
ap-1540	55	8	torque	torque	NOUN
ap-1540	55	9	of	of	ADP
ap-1540	55	10	the	the	DET
ap-1540	55	11	engine	engine	NOUN
ap-1540	55	12	in	in	ADP
ap-1540	55	13	operation	operation	NOUN
ap-1540	55	14	with	with	ADP
ap-1540	55	15	h2ng15	h2ng15	PROPN
ap-1540	55	16	,	,	PUNCT
ap-1540	55	17	compared	compare	VERB
ap-1540	55	18	to	to	ADP
ap-1540	55	19	natural	natural	ADJ
ap-1540	55	20	gas	gas	NOUN
ap-1540	55	21	(	(	PUNCT
ap-1540	55	22	h2ng0	h2ng0	ADV
ap-1540	55	23	)	)	PUNCT
ap-1540	55	24	,	,	PUNCT
ap-1540	55	25	was	be	AUX
ap-1540	55	26	on	on	ADP
ap-1540	55	27	an	an	DET
ap-1540	55	28	average	average	ADJ
ap-1540	55	29	2	2	NUM
ap-1540	55	30	%	%	NOUN
ap-1540	55	31	lower	low	ADJ
ap-1540	55	32	,	,	PUNCT
ap-1540	55	33	which	which	PRON
ap-1540	55	34	on	on	ADP
ap-1540	55	35	an	an	DET
ap-1540	55	36	average	average	NOUN
ap-1540	55	37	meant	mean	VERB
ap-1540	55	38	a	a	DET
ap-1540	55	39	decrease	decrease	NOUN
ap-1540	55	40	of	of	ADP
ap-1540	55	41	0.8	0.8	NUM
ap-1540	55	42	n·m	n·m	NOUN
ap-1540	55	43	.	.	PUNCT
ap-1540	56	1	the	the	DET
ap-1540	56	2	specific	specific	ADJ
ap-1540	56	3	fuel	fuel	NOUN
ap-1540	56	4	consumption	consumption	NOUN
ap-1540	56	5	was	be	AUX
ap-1540	56	6	on	on	ADP
ap-1540	56	7	an	an	DET
ap-1540	56	8	average	average	ADJ
ap-1540	56	9	3.3	3.3	NUM
ap-1540	56	10	%	%	NOUN
ap-1540	56	11	lower	low	ADJ
ap-1540	56	12	when	when	SCONJ
ap-1540	56	13	the	the	DET
ap-1540	56	14	engine	engine	NOUN
ap-1540	56	15	was	be	AUX
ap-1540	56	16	running	run	VERB
ap-1540	56	17	on	on	ADP
ap-1540	56	18	the	the	DET
ap-1540	56	19	h2ng15	h2ng15	PROPN
ap-1540	56	20	mixture	mixture	NOUN
ap-1540	56	21	than	than	ADP
ap-1540	56	22	when	when	SCONJ
ap-1540	56	23	running	run	VERB
ap-1540	56	24	on	on	ADP
ap-1540	56	25	natural	natural	ADJ
ap-1540	56	26	gas	gas	NOUN
ap-1540	56	27	(	(	PUNCT
ap-1540	56	28	h2ng0	h2ng0	ADV
ap-1540	56	29	)	)	PUNCT
ap-1540	56	30	.	.	PUNCT
ap-1540	57	1	figure	figure	NOUN
ap-1540	57	2	3	3	NUM
ap-1540	57	3	shows	show	VERB
ap-1540	57	4	a	a	DET
ap-1540	57	5	simulation	simulation	NOUN
ap-1540	57	6	of	of	ADP
ap-1540	57	7	the	the	DET
ap-1540	57	8	effective	effective	ADJ
ap-1540	57	9	efficiency	efficiency	NOUN
ap-1540	57	10	and	and	CCONJ
ap-1540	57	11	the	the	DET
ap-1540	57	12	fuel	fuel	NOUN
ap-1540	57	13	consumption	consumption	NOUN
ap-1540	57	14	for	for	ADP
ap-1540	57	15	the	the	DET
ap-1540	57	16	four	four	NUM
ap-1540	57	17	basic	basic	ADJ
ap-1540	57	18	fuels	fuel	NOUN
ap-1540	57	19	listed	list	VERB
ap-1540	57	20	above	above	ADV
ap-1540	57	21	.	.	PUNCT
ap-1540	58	1	the	the	DET
ap-1540	58	2	graph	graph	NOUN
ap-1540	58	3	shows	show	VERB
ap-1540	58	4	that	that	SCONJ
ap-1540	58	5	the	the	DET
ap-1540	58	6	most	most	ADV
ap-1540	58	7	effective	effective	ADJ
ap-1540	58	8	efficiency	efficiency	NOUN
ap-1540	58	9	was	be	AUX
ap-1540	58	10	achieved	achieve	VERB
ap-1540	58	11	when	when	SCONJ
ap-1540	58	12	the	the	DET
ap-1540	58	13	engine	engine	NOUN
ap-1540	58	14	operated	operate	VERB
ap-1540	58	15	on	on	ADP
ap-1540	58	16	natural	natural	ADJ
ap-1540	58	17	gas	gas	NOUN
ap-1540	58	18	,	,	PUNCT
ap-1540	58	19	and	and	CCONJ
ap-1540	58	20	it	it	PRON
ap-1540	58	21	was	be	AUX
ap-1540	58	22	30	30	NUM
ap-1540	58	23	%	%	NOUN
ap-1540	58	24	in	in	ADP
ap-1540	58	25	the	the	DET
ap-1540	58	26	speed	speed	NOUN
ap-1540	58	27	range	range	NOUN
ap-1540	58	28	from	from	ADP
ap-1540	58	29	1	1	NUM
ap-1540	58	30	800	800	NUM
ap-1540	58	31	to	to	PART
ap-1540	58	32	2	2	NUM
ap-1540	58	33	000	000	NUM
ap-1540	58	34	min−1	min−1	PROPN
ap-1540	58	35	.	.	PUNCT
ap-1540	59	1	by	by	ADP
ap-1540	59	2	contrast	contrast	NOUN
ap-1540	59	3	,	,	PUNCT
ap-1540	59	4	the	the	DET
ap-1540	59	5	lowest	low	ADJ
ap-1540	59	6	effective	effective	ADJ
ap-1540	59	7	efficiency	efficiency	NOUN
ap-1540	59	8	was	be	AUX
ap-1540	59	9	achieved	achieve	VERB
ap-1540	59	10	when	when	SCONJ
ap-1540	59	11	the	the	DET
ap-1540	59	12	engine	engine	NOUN
ap-1540	59	13	operated	operate	VERB
ap-1540	59	14	on	on	ADP
ap-1540	59	15	syngas	syngas	NOUN
ap-1540	59	16	2	2	NUM
ap-1540	59	17	(	(	PUNCT
ap-1540	59	18	60	60	NUM
ap-1540	59	19	%	%	NOUN
ap-1540	59	20	inert	inert	NOUN
ap-1540	59	21	gases	gas	NOUN
ap-1540	59	22	)	)	PUNCT
ap-1540	59	23	,	,	PUNCT
ap-1540	59	24	and	and	CCONJ
ap-1540	59	25	the	the	DET
ap-1540	59	26	efficiency	efficiency	NOUN
ap-1540	59	27	being	be	AUX
ap-1540	59	28	around	around	ADV
ap-1540	59	29	11	11	NUM
ap-1540	59	30	%	%	NOUN
ap-1540	59	31	in	in	ADP
ap-1540	59	32	the	the	DET
ap-1540	59	33	speed	speed	NOUN
ap-1540	59	34	range	range	NOUN
ap-1540	59	35	from	from	ADP
ap-1540	59	36	1	1	NUM
ap-1540	59	37	200	200	NUM
ap-1540	59	38	to	to	PART
ap-1540	59	39	2	2	NUM
ap-1540	59	40	000	000	NUM
ap-1540	59	41	min−1	min−1	PROPN
ap-1540	59	42	.	.	PUNCT
ap-1540	60	1	the	the	DET
ap-1540	60	2	mass	mass	ADJ
ap-1540	60	3	consumption	consumption	NOUN
ap-1540	60	4	of	of	ADP
ap-1540	60	5	the	the	DET
ap-1540	60	6	fuel	fuel	NOUN
ap-1540	60	7	as	as	ADP
ap-1540	60	8	a	a	DET
ap-1540	60	9	stoichiometric	stoichiometric	ADJ
ap-1540	60	10	mixture	mixture	NOUN
ap-1540	60	11	was	be	AUX
ap-1540	60	12	highest	high	ADJ
ap-1540	60	13	when	when	SCONJ
ap-1540	60	14	the	the	DET
ap-1540	60	15	engine	engine	NOUN
ap-1540	60	16	operated	operate	VERB
ap-1540	60	17	on	on	ADP
ap-1540	60	18	the	the	DET
ap-1540	60	19	syngas	syngas	NOUN
ap-1540	60	20	2	2	NUM
ap-1540	60	21	mixture	mixture	NOUN
ap-1540	60	22	.	.	PUNCT
ap-1540	61	1	in	in	ADP
ap-1540	61	2	comparison	comparison	NOUN
ap-1540	61	3	with	with	ADP
ap-1540	61	4	the	the	DET
ap-1540	61	5	use	use	NOUN
ap-1540	61	6	of	of	ADP
ap-1540	61	7	syngas	syngas	NOUN
ap-1540	61	8	1	1	NUM
ap-1540	61	9	,	,	PUNCT
ap-1540	61	10	there	there	PRON
ap-1540	61	11	was	be	VERB
ap-1540	61	12	a	a	DET
ap-1540	61	13	rise	rise	NOUN
ap-1540	61	14	in	in	ADP
ap-1540	61	15	consumption	consumption	NOUN
ap-1540	61	16	of	of	ADP
ap-1540	61	17	about	about	ADV
ap-1540	61	18	48	48	NUM
ap-1540	61	19	%	%	NOUN
ap-1540	61	20	.	.	PUNCT
ap-1540	62	1	the	the	DET
ap-1540	62	2	decrease	decrease	NOUN
ap-1540	62	3	in	in	ADP
ap-1540	62	4	the	the	DET
ap-1540	62	5	h2ng15	h2ng15	PROPN
ap-1540	62	6	mass	mass	NOUN
ap-1540	62	7	fuel	fuel	NOUN
ap-1540	62	8	mixture	mixture	NOUN
ap-1540	62	9	was	be	AUX
ap-1540	62	10	about	about	ADV
ap-1540	62	11	3	3	NUM
ap-1540	62	12	%	%	NOUN
ap-1540	62	13	lower	low	ADJ
ap-1540	62	14	than	than	ADP
ap-1540	62	15	when	when	SCONJ
ap-1540	62	16	the	the	DET
ap-1540	62	17	engine	engine	NOUN
ap-1540	62	18	operated	operate	VERB
ap-1540	62	19	on	on	ADP
ap-1540	62	20	natural	natural	ADJ
ap-1540	62	21	gas	gas	NOUN
ap-1540	62	22	(	(	PUNCT
ap-1540	62	23	h2ng0	h2ng0	ADV
ap-1540	62	24	)	)	PUNCT
ap-1540	62	25	.	.	PUNCT
ap-1540	63	1	several	several	ADJ
ap-1540	63	2	previously	previously	ADV
ap-1540	63	3	published	publish	VERB
ap-1540	63	4	results	result	NOUN
ap-1540	63	5	have	have	AUX
ap-1540	63	6	shown	show	VERB
ap-1540	63	7	a	a	DET
ap-1540	63	8	significant	significant	ADJ
ap-1540	63	9	effect	effect	NOUN
ap-1540	63	10	of	of	ADP
ap-1540	63	11	blending	blend	VERB
ap-1540	63	12	hydrogen	hydrogen	NOUN
ap-1540	63	13	into	into	ADP
ap-1540	63	14	natural	natural	ADJ
ap-1540	63	15	gas	gas	NOUN
ap-1540	63	16	with	with	ADP
ap-1540	63	17	the	the	DET
ap-1540	63	18	aim	aim	NOUN
ap-1540	63	19	to	to	PART
ap-1540	63	20	improve	improve	VERB
ap-1540	63	21	the	the	DET
ap-1540	63	22	emission	emission	NOUN
ap-1540	63	23	parameters	parameter	NOUN
ap-1540	63	24	of	of	ADP
ap-1540	63	25	internal	internal	ADJ
ap-1540	63	26	combustion	combustion	NOUN
ap-1540	63	27	engines	engine	NOUN
ap-1540	63	28	.	.	PUNCT
ap-1540	64	1	the	the	DET
ap-1540	64	2	reason	reason	NOUN
ap-1540	64	3	is	be	AUX
ap-1540	64	4	that	that	SCONJ
ap-1540	64	5	hydrogen	hydrogen	NOUN
ap-1540	64	6	blending	blending	NOUN
ap-1540	64	7	increases	increase	NOUN
ap-1540	64	8	the	the	DET
ap-1540	64	9	molar	molar	ADJ
ap-1540	64	10	proportion	proportion	NOUN
ap-1540	64	11	of	of	ADP
ap-1540	64	12	h	h	NOUN
ap-1540	64	13	/	/	SYM
ap-1540	64	14	c	c	NOUN
ap-1540	64	15	,	,	PUNCT
ap-1540	64	16	thus	thus	ADV
ap-1540	64	17	reducing	reduce	VERB
ap-1540	64	18	the	the	DET
ap-1540	64	19	emissions	emission	NOUN
ap-1540	64	20	of	of	ADP
ap-1540	64	21	chx	chx	PROPN
ap-1540	64	22	,	,	PUNCT
ap-1540	64	23	co	co	NOUN
ap-1540	64	24	and	and	CCONJ
ap-1540	64	25	co2	co2	NOUN
ap-1540	64	26	.	.	PUNCT
ap-1540	65	1	figure	figure	NOUN
ap-1540	65	2	4	4	NUM
ap-1540	65	3	shows	show	VERB
ap-1540	65	4	the	the	DET
ap-1540	65	5	course	course	NOUN
ap-1540	65	6	of	of	ADP
ap-1540	65	7	the	the	DET
ap-1540	65	8	composition	composition	NOUN
ap-1540	65	9	of	of	ADP
ap-1540	65	10	the	the	DET
ap-1540	65	11	exhaust	exhaust	NOUN
ap-1540	65	12	gases	gas	NOUN
ap-1540	65	13	,	,	PUNCT
ap-1540	65	14	depending	depend	VERB
ap-1540	65	15	on	on	ADP
ap-1540	65	16	the	the	DET
ap-1540	65	17	air	air	NOUN
ap-1540	65	18	excess	excess	ADJ
ap-1540	65	19	ratio	ratio	NOUN
ap-1540	65	20	for	for	ADP
ap-1540	65	21	various	various	ADJ
ap-1540	65	22	fuel	fuel	NOUN
ap-1540	65	23	types	type	NOUN
ap-1540	65	24	(	(	PUNCT
ap-1540	65	25	h2ng0	h2ng0	ADJ
ap-1540	65	26	and	and	CCONJ
ap-1540	65	27	h2ng15	h2ng15	ADJ
ap-1540	65	28	)	)	PUNCT
ap-1540	65	29	.	.	PUNCT
ap-1540	66	1	as	as	SCONJ
ap-1540	66	2	can	can	AUX
ap-1540	66	3	be	be	AUX
ap-1540	66	4	seen	see	VERB
ap-1540	66	5	,	,	PUNCT
ap-1540	66	6	there	there	PRON
ap-1540	66	7	is	be	VERB
ap-1540	66	8	significant	significant	ADJ
ap-1540	66	9	production	production	NOUN
ap-1540	66	10	of	of	ADP
ap-1540	66	11	carbon	carbon	NOUN
ap-1540	66	12	monoxide	monoxide	NOUN
ap-1540	66	13	co	co	NOUN
ap-1540	66	14	in	in	ADP
ap-1540	66	15	the	the	DET
ap-1540	66	16	operation	operation	NOUN
ap-1540	66	17	of	of	ADP
ap-1540	66	18	natural	natural	ADJ
ap-1540	66	19	gas	gas	NOUN
ap-1540	66	20	(	(	PUNCT
ap-1540	66	21	h2ng0	h2ng0	ADV
ap-1540	66	22	)	)	PUNCT
ap-1540	66	23	in	in	ADP
ap-1540	66	24	rich	rich	ADJ
ap-1540	66	25	mixtures	mixture	NOUN
ap-1540	66	26	,	,	PUNCT
ap-1540	66	27	where	where	SCONJ
ap-1540	66	28	the	the	DET
ap-1540	66	29	influence	influence	NOUN
ap-1540	66	30	of	of	ADP
ap-1540	66	31	oxygen	oxygen	NOUN
ap-1540	66	32	deficiency	deficiency	NOUN
ap-1540	66	33	prevents	prevent	VERB
ap-1540	66	34	perfect	perfect	ADJ
ap-1540	66	35	oxidation	oxidation	NOUN
ap-1540	66	36	of	of	ADP
ap-1540	66	37	co	co	NOUN
ap-1540	66	38	to	to	PART
ap-1540	66	39	co2	co2	VERB
ap-1540	66	40	.	.	PUNCT
ap-1540	67	1	conversely	conversely	ADV
ap-1540	67	2	,	,	PUNCT
ap-1540	67	3	the	the	DET
ap-1540	67	4	production	production	NOUN
ap-1540	67	5	of	of	ADP
ap-1540	67	6	co	co	X
ap-1540	67	7	in	in	ADP
ap-1540	67	8	lean	lean	ADJ
ap-1540	67	9	mixtures	mixture	NOUN
ap-1540	67	10	is	be	AUX
ap-1540	67	11	practically	practically	ADV
ap-1540	67	12	zero	zero	NUM
ap-1540	67	13	.	.	PUNCT
ap-1540	68	1	the	the	DET
ap-1540	68	2	nature	nature	NOUN
ap-1540	68	3	and	and	CCONJ
ap-1540	68	4	course	course	NOUN
ap-1540	68	5	of	of	ADP
ap-1540	68	6	the	the	DET
ap-1540	68	7	co	co	NOUN
ap-1540	68	8	yield	yield	NOUN
ap-1540	68	9	is	be	AUX
ap-1540	68	10	the	the	DET
ap-1540	68	11	same	same	ADJ
ap-1540	68	12	when	when	SCONJ
ap-1540	68	13	the	the	DET
ap-1540	68	14	engine	engine	NOUN
ap-1540	68	15	is	be	AUX
ap-1540	68	16	running	run	VERB
ap-1540	68	17	on	on	ADP
ap-1540	68	18	the	the	DET
ap-1540	68	19	h2ng15	h2ng15	PROPN
ap-1540	68	20	mixture	mixture	NOUN
ap-1540	68	21	(	(	PUNCT
ap-1540	68	22	15	15	NUM
ap-1540	68	23	%	%	NOUN
ap-1540	68	24	vol	vol	NOUN
ap-1540	68	25	.	.	PUNCT
ap-1540	68	26	h2	h2	PROPN
ap-1540	68	27	)	)	PUNCT
ap-1540	68	28	.	.	PUNCT
ap-1540	69	1	complete	complete	ADJ
ap-1540	69	2	combustion	combustion	NOUN
ap-1540	69	3	of	of	ADP
ap-1540	69	4	hydrocarbon	hydrocarbon	NOUN
ap-1540	69	5	fuels	fuel	NOUN
ap-1540	69	6	produces	produce	VERB
ap-1540	69	7	carbon	carbon	NOUN
ap-1540	69	8	dioxide	dioxide	NOUN
ap-1540	69	9	co2	co2	NOUN
ap-1540	69	10	.	.	PUNCT
ap-1540	70	1	it	it	PRON
ap-1540	70	2	can	can	AUX
ap-1540	70	3	be	be	AUX
ap-1540	70	4	seen	see	VERB
ap-1540	70	5	that	that	SCONJ
ap-1540	70	6	the	the	DET
ap-1540	70	7	largest	large	ADJ
ap-1540	70	8	proportion	proportion	NOUN
ap-1540	70	9	of	of	ADP
ap-1540	70	10	co2	co2	NOUN
ap-1540	70	11	is	be	AUX
ap-1540	70	12	for	for	ADP
ap-1540	70	13	a	a	DET
ap-1540	70	14	slightly	slightly	ADV
ap-1540	70	15	lean	lean	ADJ
ap-1540	70	16	mixture	mixture	NOUN
ap-1540	70	17	,	,	PUNCT
ap-1540	70	18	with	with	ADP
ap-1540	70	19	the	the	DET
ap-1540	70	20	highest	high	ADJ
ap-1540	70	21	combustion	combustion	NOUN
ap-1540	70	22	efficiency	efficiency	NOUN
ap-1540	70	23	.	.	PUNCT
ap-1540	71	1	from	from	ADP
ap-1540	71	2	this	this	DET
ap-1540	71	3	value	value	NOUN
ap-1540	71	4	,	,	PUNCT
ap-1540	71	5	the	the	DET
ap-1540	71	6	proportion	proportion	NOUN
ap-1540	71	7	of	of	ADP
ap-1540	71	8	co2	co2	NOUN
ap-1540	71	9	decreases	decrease	NOUN
ap-1540	71	10	similarly	similarly	ADV
ap-1540	71	11	as	as	ADP
ap-1540	71	12	in	in	ADP
ap-1540	71	13	the	the	DET
ap-1540	71	14	rich	rich	ADJ
ap-1540	71	15	mixture	mixture	NOUN
ap-1540	71	16	,	,	PUNCT
ap-1540	71	17	which	which	PRON
ap-1540	71	18	is	be	AUX
ap-1540	71	19	caused	cause	VERB
ap-1540	71	20	by	by	ADP
ap-1540	71	21	lack	lack	NOUN
ap-1540	71	22	of	of	ADP
ap-1540	71	23	oxygen	oxygen	NOUN
ap-1540	71	24	to	to	PART
ap-1540	71	25	complete	complete	VERB
ap-1540	71	26	the	the	DET
ap-1540	71	27	conversion	conversion	NOUN
ap-1540	71	28	to	to	AUX
ap-1540	71	29	co2	co2	VERB
ap-1540	71	30	.	.	PUNCT
ap-1540	72	1	the	the	DET
ap-1540	72	2	same	same	ADJ
ap-1540	72	3	situation	situation	NOUN
ap-1540	72	4	also	also	ADV
ap-1540	72	5	arises	arise	VERB
ap-1540	72	6	in	in	ADP
ap-1540	72	7	the	the	DET
ap-1540	72	8	lean	lean	ADJ
ap-1540	72	9	mixture	mixture	NOUN
ap-1540	72	10	,	,	PUNCT
ap-1540	72	11	because	because	SCONJ
ap-1540	72	12	of	of	ADP
ap-1540	72	13	the	the	DET
ap-1540	72	14	limited	limited	ADJ
ap-1540	72	15	amount	amount	NOUN
ap-1540	72	16	of	of	ADP
ap-1540	72	17	carbon	carbon	NOUN
ap-1540	72	18	in	in	ADP
ap-1540	72	19	the	the	DET
ap-1540	72	20	fuel	fuel	NOUN
ap-1540	72	21	.	.	PUNCT
ap-1540	73	1	when	when	SCONJ
ap-1540	73	2	the	the	DET
ap-1540	73	3	engine	engine	NOUN
ap-1540	73	4	runs	run	VERB
ap-1540	73	5	on	on	ADP
ap-1540	73	6	the	the	DET
ap-1540	73	7	h2ng15	h2ng15	PROPN
ap-1540	73	8	mixture	mixture	NOUN
ap-1540	73	9	,	,	PUNCT
ap-1540	73	10	there	there	PRON
ap-1540	73	11	is	be	VERB
ap-1540	73	12	a	a	DET
ap-1540	73	13	9	9	NUM
ap-1540	73	14	%	%	NOUN
ap-1540	73	15	reduction	reduction	NOUN
ap-1540	73	16	in	in	ADP
ap-1540	73	17	co2	co2	NOUN
ap-1540	73	18	,	,	PUNCT
ap-1540	73	19	on	on	ADP
ap-1540	73	20	an	an	DET
ap-1540	73	21	average	average	ADJ
ap-1540	73	22	,	,	PUNCT
ap-1540	73	23	throughout	throughout	ADP
ap-1540	73	24	the	the	DET
ap-1540	73	25	course	course	NOUN
ap-1540	73	26	,	,	PUNCT
ap-1540	73	27	compared	compare	VERB
ap-1540	73	28	to	to	ADP
ap-1540	73	29	h2ng0	h2ng0	ADV
ap-1540	73	30	.	.	PUNCT
ap-1540	74	1	this	this	PRON
ap-1540	74	2	is	be	AUX
ap-1540	74	3	because	because	SCONJ
ap-1540	74	4	the	the	DET
ap-1540	74	5	proportion	proportion	NOUN
ap-1540	74	6	of	of	ADP
ap-1540	74	7	carbon	carbon	NOUN
ap-1540	74	8	in	in	ADP
ap-1540	74	9	the	the	DET
ap-1540	74	10	fuel	fuel	NOUN
ap-1540	74	11	decreases	decrease	VERB
ap-1540	74	12	.	.	PUNCT
ap-1540	75	1	nitrogen	nitrogen	NOUN
ap-1540	75	2	oxides	oxide	NOUN
ap-1540	75	3	nox	nox	PROPN
ap-1540	75	4	,	,	PUNCT
ap-1540	75	5	in	in	ADP
ap-1540	75	6	the	the	DET
ap-1540	75	7	case	case	NOUN
ap-1540	75	8	of	of	ADP
ap-1540	75	9	engine	engine	NOUN
ap-1540	75	10	operation	operation	NOUN
ap-1540	75	11	on	on	ADP
ap-1540	75	12	natural	natural	ADJ
ap-1540	75	13	gas	gas	NOUN
ap-1540	75	14	are	be	AUX
ap-1540	75	15	formed	form	VERB
ap-1540	75	16	by	by	ADP
ap-1540	75	17	oxidation	oxidation	NOUN
ap-1540	75	18	of	of	ADP
ap-1540	75	19	nitrogen	nitrogen	NOUN
ap-1540	75	20	and	and	CCONJ
ap-1540	75	21	oxygen	oxygen	NOUN
ap-1540	75	22	present	present	NOUN
ap-1540	75	23	in	in	ADP
ap-1540	75	24	the	the	DET
ap-1540	75	25	air	air	NOUN
ap-1540	75	26	.	.	PUNCT
ap-1540	76	1	nitrogen	nitrogen	NOUN
ap-1540	76	2	and	and	CCONJ
ap-1540	76	3	oxygen	oxygen	NOUN
ap-1540	76	4	oxidize	oxidize	VERB
ap-1540	76	5	each	each	DET
ap-1540	76	6	other	other	ADJ
ap-1540	76	7	at	at	ADP
ap-1540	76	8	high	high	ADJ
ap-1540	76	9	temperature	temperature	NOUN
ap-1540	76	10	.	.	PUNCT
ap-1540	77	1	as	as	SCONJ
ap-1540	77	2	can	can	AUX
ap-1540	77	3	be	be	AUX
ap-1540	77	4	seen	see	VERB
ap-1540	77	5	,	,	PUNCT
ap-1540	77	6	the	the	DET
ap-1540	77	7	highest	high	ADJ
ap-1540	77	8	growth	growth	NOUN
ap-1540	77	9	occurs	occur	VERB
ap-1540	77	10	for	for	ADP
ap-1540	77	11	a	a	DET
ap-1540	77	12	slightly	slightly	ADV
ap-1540	77	13	26	26	NUM
ap-1540	77	14	acta	acta	PROPN
ap-1540	77	15	polytechnica	polytechnica	PROPN
ap-1540	77	16	vol	vol	NOUN
ap-1540	77	17	.	.	PROPN
ap-1540	78	1	52	52	NUM
ap-1540	78	2	no	no	NOUN
ap-1540	78	3	.	.	PUNCT
ap-1540	79	1	3/2012	3/2012	NUM
ap-1540	79	2	lean	lean	ADJ
ap-1540	79	3	mixture	mixture	NOUN
ap-1540	79	4	that	that	PRON
ap-1540	79	5	has	have	VERB
ap-1540	79	6	the	the	DET
ap-1540	79	7	highest	high	ADJ
ap-1540	79	8	combustion	combustion	NOUN
ap-1540	79	9	temperature	temperature	NOUN
ap-1540	79	10	with	with	ADP
ap-1540	79	11	a	a	DET
ap-1540	79	12	relative	relative	ADJ
ap-1540	79	13	abundance	abundance	NOUN
ap-1540	79	14	of	of	ADP
ap-1540	79	15	oxygen	oxygen	NOUN
ap-1540	79	16	.	.	PUNCT
ap-1540	80	1	with	with	ADP
ap-1540	80	2	the	the	DET
ap-1540	80	3	gradual	gradual	ADJ
ap-1540	80	4	transition	transition	NOUN
ap-1540	80	5	into	into	ADP
ap-1540	80	6	leaner	lean	ADJ
ap-1540	80	7	areas	area	NOUN
ap-1540	80	8	,	,	PUNCT
ap-1540	80	9	the	the	DET
ap-1540	80	10	amount	amount	NOUN
ap-1540	80	11	of	of	ADP
ap-1540	80	12	nox	nox	NOUN
ap-1540	80	13	decreases	decrease	NOUN
ap-1540	80	14	with	with	ADP
ap-1540	80	15	lower	low	ADJ
ap-1540	80	16	combustion	combustion	NOUN
ap-1540	80	17	temperature	temperature	NOUN
ap-1540	80	18	.	.	PUNCT
ap-1540	81	1	in	in	ADP
ap-1540	81	2	the	the	DET
ap-1540	81	3	area	area	NOUN
ap-1540	81	4	of	of	ADP
ap-1540	81	5	rich	rich	ADJ
ap-1540	81	6	mixtures	mixture	NOUN
ap-1540	81	7	with	with	ADP
ap-1540	81	8	a	a	DET
ap-1540	81	9	lack	lack	NOUN
ap-1540	81	10	of	of	ADP
ap-1540	81	11	oxygen	oxygen	NOUN
ap-1540	81	12	,	,	PUNCT
ap-1540	81	13	there	there	PRON
ap-1540	81	14	is	be	VERB
ap-1540	81	15	a	a	DET
ap-1540	81	16	decrease	decrease	NOUN
ap-1540	81	17	in	in	ADP
ap-1540	81	18	nox	nox	NOUN
ap-1540	81	19	.	.	PUNCT
ap-1540	82	1	the	the	DET
ap-1540	82	2	course	course	NOUN
ap-1540	82	3	of	of	ADP
ap-1540	82	4	nox	nox	NOUN
ap-1540	82	5	formation	formation	NOUN
ap-1540	82	6	is	be	AUX
ap-1540	82	7	similar	similar	ADJ
ap-1540	82	8	to	to	ADP
ap-1540	82	9	the	the	DET
ap-1540	82	10	combustion	combustion	NOUN
ap-1540	82	11	of	of	ADP
ap-1540	82	12	h2ng15	h2ng15	PROPN
ap-1540	82	13	mixture	mixture	NOUN
ap-1540	82	14	,	,	PUNCT
ap-1540	82	15	but	but	CCONJ
ap-1540	82	16	due	due	ADP
ap-1540	82	17	to	to	ADP
ap-1540	82	18	the	the	DET
ap-1540	82	19	higher	high	ADJ
ap-1540	82	20	combustion	combustion	NOUN
ap-1540	82	21	temperatures	temperature	NOUN
ap-1540	82	22	,	,	PUNCT
ap-1540	82	23	the	the	DET
ap-1540	82	24	concentration	concentration	NOUN
ap-1540	82	25	of	of	ADP
ap-1540	82	26	nox	nox	NOUN
ap-1540	82	27	increases	increase	NOUN
ap-1540	82	28	to	to	ADP
ap-1540	82	29	about	about	ADV
ap-1540	82	30	35	35	NUM
ap-1540	82	31	%	%	NOUN
ap-1540	82	32	of	of	ADP
ap-1540	82	33	the	the	DET
ap-1540	82	34	maximum	maximum	ADJ
ap-1540	82	35	nox	nox	PROPN
ap-1540	82	36	values	value	NOUN
ap-1540	82	37	.	.	PUNCT
ap-1540	83	1	the	the	DET
ap-1540	83	2	formation	formation	NOUN
ap-1540	83	3	of	of	ADP
ap-1540	83	4	nox	nox	NOUN
ap-1540	83	5	is	be	AUX
ap-1540	83	6	closely	closely	ADV
ap-1540	83	7	related	relate	VERB
ap-1540	83	8	to	to	ADP
ap-1540	83	9	the	the	DET
ap-1540	83	10	proportion	proportion	NOUN
ap-1540	83	11	of	of	ADP
ap-1540	83	12	residual	residual	ADJ
ap-1540	83	13	oxygen	oxygen	NOUN
ap-1540	83	14	in	in	ADP
ap-1540	83	15	the	the	DET
ap-1540	83	16	exhaust	exhaust	NOUN
ap-1540	83	17	gas	gas	NOUN
ap-1540	83	18	.	.	PUNCT
ap-1540	84	1	in	in	ADP
ap-1540	84	2	operation	operation	NOUN
ap-1540	84	3	with	with	ADP
ap-1540	84	4	h2ng15	h2ng15	PROPN
ap-1540	84	5	mixture	mixture	NOUN
ap-1540	84	6	,	,	PUNCT
ap-1540	84	7	the	the	DET
ap-1540	84	8	formation	formation	NOUN
ap-1540	84	9	is	be	AUX
ap-1540	84	10	lower	low	ADJ
ap-1540	84	11	by	by	ADP
ap-1540	84	12	about	about	ADV
ap-1540	84	13	5	5	NUM
ap-1540	84	14	%	%	NOUN
ap-1540	84	15	,	,	PUNCT
ap-1540	84	16	than	than	ADP
ap-1540	84	17	in	in	ADP
ap-1540	84	18	operation	operation	NOUN
ap-1540	84	19	with	with	ADP
ap-1540	84	20	h2ng0	h2ng0	ADJ
ap-1540	84	21	natural	natural	ADJ
ap-1540	84	22	gas	gas	NOUN
ap-1540	84	23	.	.	PUNCT
ap-1540	85	1	as	as	SCONJ
ap-1540	85	2	shown	show	VERB
ap-1540	85	3	in	in	ADP
ap-1540	85	4	figure	figure	NOUN
ap-1540	85	5	4	4	NUM
ap-1540	85	6	,	,	PUNCT
ap-1540	85	7	an	an	DET
ap-1540	85	8	increase	increase	NOUN
ap-1540	85	9	in	in	ADP
ap-1540	85	10	the	the	DET
ap-1540	85	11	admixture	admixture	NOUN
ap-1540	85	12	of	of	ADP
ap-1540	85	13	hydrogen	hydrogen	NOUN
ap-1540	85	14	to	to	ADP
ap-1540	85	15	natural	natural	ADJ
ap-1540	85	16	gas	gas	NOUN
ap-1540	85	17	increases	increase	VERB
ap-1540	85	18	the	the	DET
ap-1540	85	19	operating	operate	VERB
ap-1540	85	20	range	range	NOUN
ap-1540	85	21	of	of	ADP
ap-1540	85	22	an	an	DET
ap-1540	85	23	internal	internal	ADJ
ap-1540	85	24	combustion	combustion	NOUN
ap-1540	85	25	engine	engine	NOUN
ap-1540	85	26	,	,	PUNCT
ap-1540	85	27	mainly	mainly	ADV
ap-1540	85	28	in	in	ADP
ap-1540	85	29	lean	lean	ADJ
ap-1540	85	30	mixtures	mixture	NOUN
ap-1540	85	31	.	.	PUNCT
ap-1540	86	1	the	the	DET
ap-1540	86	2	addition	addition	NOUN
ap-1540	86	3	of	of	ADP
ap-1540	86	4	15	15	NUM
ap-1540	86	5	%	%	NOUN
ap-1540	86	6	vol	vol	NOUN
ap-1540	86	7	.	.	PUNCT
ap-1540	87	1	hydrogen	hydrogen	NOUN
ap-1540	87	2	shifts	shift	NOUN
ap-1540	87	3	the	the	DET
ap-1540	87	4	operating	operate	VERB
ap-1540	87	5	range	range	NOUN
ap-1540	87	6	of	of	ADP
ap-1540	87	7	an	an	DET
ap-1540	87	8	internal	internal	ADJ
ap-1540	87	9	combustion	combustion	NOUN
ap-1540	87	10	engine	engine	NOUN
ap-1540	87	11	from	from	ADP
ap-1540	87	12	around	around	ADP
ap-1540	87	13	λ	λ	PROPN
ap-1540	87	14	=	=	NOUN
ap-1540	87	15	1.35	1.35	NUM
ap-1540	87	16	to	to	ADP
ap-1540	87	17	a	a	DET
ap-1540	87	18	value	value	NOUN
ap-1540	87	19	of	of	ADP
ap-1540	87	20	λ	λ	NOUN
ap-1540	87	21	=	=	NOUN
ap-1540	87	22	1.5	1.5	NUM
ap-1540	87	23	.	.	PUNCT
ap-1540	88	1	4	4	NUM
ap-1540	88	2	conclusion	conclusion	NOUN
ap-1540	88	3	mixtures	mixture	NOUN
ap-1540	88	4	of	of	ADP
ap-1540	88	5	natural	natural	ADJ
ap-1540	88	6	gas	gas	NOUN
ap-1540	88	7	and	and	CCONJ
ap-1540	88	8	hydrogen	hydrogen	NOUN
ap-1540	88	9	have	have	VERB
ap-1540	88	10	a	a	DET
ap-1540	88	11	major	major	ADJ
ap-1540	88	12	advantage	advantage	NOUN
ap-1540	88	13	over	over	ADP
ap-1540	88	14	other	other	ADJ
ap-1540	88	15	types	type	NOUN
ap-1540	88	16	of	of	ADP
ap-1540	88	17	fuels	fuel	NOUN
ap-1540	88	18	for	for	ADP
ap-1540	88	19	powering	power	VERB
ap-1540	88	20	internal	internal	ADJ
ap-1540	88	21	combustion	combustion	NOUN
ap-1540	88	22	engines	engine	NOUN
ap-1540	88	23	:	:	PUNCT
ap-1540	88	24	they	they	PRON
ap-1540	88	25	produce	produce	VERB
ap-1540	88	26	lower	low	ADJ
ap-1540	88	27	exhaust	exhaust	NOUN
ap-1540	88	28	emissions	emission	NOUN
ap-1540	88	29	,	,	PUNCT
ap-1540	88	30	particularly	particularly	ADV
ap-1540	88	31	unburned	unburned	ADJ
ap-1540	88	32	hydrocarbons	hydrocarbon	NOUN
ap-1540	88	33	,	,	PUNCT
ap-1540	88	34	namely	namely	ADV
ap-1540	88	35	carbon	carbon	NOUN
ap-1540	88	36	monoxide	monoxide	NOUN
ap-1540	88	37	and	and	CCONJ
ap-1540	88	38	carbon	carbon	NOUN
ap-1540	88	39	dioxide	dioxide	NOUN
ap-1540	88	40	.	.	PUNCT
ap-1540	89	1	however	however	ADV
ap-1540	89	2	,	,	PUNCT
ap-1540	89	3	adding	add	VERB
ap-1540	89	4	hydrogen	hydrogen	NOUN
ap-1540	89	5	to	to	ADP
ap-1540	89	6	natural	natural	ADJ
ap-1540	89	7	gas	gas	NOUN
ap-1540	89	8	increases	increase	VERB
ap-1540	89	9	the	the	DET
ap-1540	89	10	amounts	amount	NOUN
ap-1540	89	11	of	of	ADP
ap-1540	89	12	nox	nox	NOUN
ap-1540	89	13	,	,	PUNCT
ap-1540	89	14	which	which	PRON
ap-1540	89	15	can	can	AUX
ap-1540	89	16	be	be	AUX
ap-1540	89	17	partly	partly	ADV
ap-1540	89	18	removed	remove	VERB
ap-1540	89	19	in	in	ADP
ap-1540	89	20	operation	operation	NOUN
ap-1540	89	21	modes	mode	NOUN
ap-1540	89	22	with	with	ADP
ap-1540	89	23	lean	lean	ADJ
ap-1540	89	24	mixtures	mixture	NOUN
ap-1540	89	25	.	.	PUNCT
ap-1540	90	1	with	with	ADP
ap-1540	90	2	an	an	DET
ap-1540	90	3	increasing	increase	VERB
ap-1540	90	4	proportion	proportion	NOUN
ap-1540	90	5	of	of	ADP
ap-1540	90	6	hydrogen	hydrogen	NOUN
ap-1540	90	7	,	,	PUNCT
ap-1540	90	8	there	there	PRON
ap-1540	90	9	is	be	VERB
ap-1540	90	10	a	a	DET
ap-1540	90	11	decrease	decrease	NOUN
ap-1540	90	12	in	in	ADP
ap-1540	90	13	the	the	DET
ap-1540	90	14	performance	performance	NOUN
ap-1540	90	15	parameters	parameter	NOUN
ap-1540	90	16	of	of	ADP
ap-1540	90	17	the	the	DET
ap-1540	90	18	internal	internal	ADJ
ap-1540	90	19	combustion	combustion	NOUN
ap-1540	90	20	engine	engine	NOUN
ap-1540	90	21	.	.	PUNCT
ap-1540	91	1	however	however	ADV
ap-1540	91	2	,	,	PUNCT
ap-1540	91	3	the	the	DET
ap-1540	91	4	benefits	benefit	NOUN
ap-1540	91	5	include	include	VERB
ap-1540	91	6	operating	operate	VERB
ap-1540	91	7	the	the	DET
ap-1540	91	8	engine	engine	NOUN
ap-1540	91	9	on	on	ADP
ap-1540	91	10	a	a	DET
ap-1540	91	11	lean	lean	ADJ
ap-1540	91	12	mixture	mixture	NOUN
ap-1540	91	13	at	at	ADP
ap-1540	91	14	partial	partial	ADJ
ap-1540	91	15	load	load	NOUN
ap-1540	91	16	,	,	PUNCT
ap-1540	91	17	because	because	SCONJ
ap-1540	91	18	with	with	ADP
ap-1540	91	19	added	add	VERB
ap-1540	91	20	hydrogen	hydrogen	NOUN
ap-1540	91	21	the	the	DET
ap-1540	91	22	operation	operation	NOUN
ap-1540	91	23	range	range	NOUN
ap-1540	91	24	of	of	ADP
ap-1540	91	25	a	a	DET
ap-1540	91	26	combustion	combustion	NOUN
ap-1540	91	27	engine	engine	NOUN
ap-1540	91	28	working	work	VERB
ap-1540	91	29	with	with	ADP
ap-1540	91	30	a	a	DET
ap-1540	91	31	lean	lean	ADJ
ap-1540	91	32	mixture	mixture	NOUN
ap-1540	91	33	increases	increase	NOUN
ap-1540	91	34	.	.	PUNCT
ap-1540	92	1	another	another	DET
ap-1540	92	2	benefit	benefit	NOUN
ap-1540	92	3	of	of	ADP
ap-1540	92	4	our	our	PRON
ap-1540	92	5	investigation	investigation	NOUN
ap-1540	92	6	is	be	AUX
ap-1540	92	7	its	its	PRON
ap-1540	92	8	contribution	contribution	NOUN
ap-1540	92	9	to	to	ADP
ap-1540	92	10	the	the	DET
ap-1540	92	11	application	application	NOUN
ap-1540	92	12	of	of	ADP
ap-1540	92	13	synthesis	synthesis	NOUN
ap-1540	92	14	gas	gas	NOUN
ap-1540	92	15	in	in	ADP
ap-1540	92	16	internal	internal	ADJ
ap-1540	92	17	combustion	combustion	NOUN
ap-1540	92	18	engines	engine	NOUN
ap-1540	92	19	.	.	PUNCT
ap-1540	93	1	synthesis	synthesis	NOUN
ap-1540	93	2	gases	gas	NOUN
ap-1540	93	3	have	have	VERB
ap-1540	93	4	significant	significant	ADJ
ap-1540	93	5	potential	potential	NOUN
ap-1540	93	6	for	for	ADP
ap-1540	93	7	effective	effective	ADJ
ap-1540	93	8	utilization	utilization	NOUN
ap-1540	93	9	of	of	ADP
ap-1540	93	10	low	low	ADJ
ap-1540	93	11	-	-	PUNCT
ap-1540	93	12	energy	energy	NOUN
ap-1540	93	13	gases	gas	NOUN
ap-1540	93	14	in	in	ADP
ap-1540	93	15	co	co	ADJ
ap-1540	93	16	-	-	NOUN
ap-1540	93	17	generation	generation	ADJ
ap-1540	93	18	units	unit	NOUN
ap-1540	93	19	.	.	PUNCT
ap-1540	94	1	acknowledgement	acknowledgement	NOUN
ap-1540	94	2	this	this	DET
ap-1540	94	3	work	work	NOUN
ap-1540	94	4	was	be	AUX
ap-1540	94	5	supported	support	VERB
ap-1540	94	6	by	by	ADP
ap-1540	94	7	the	the	DET
ap-1540	94	8	slovak	slovak	ADJ
ap-1540	94	9	research	research	NOUN
ap-1540	94	10	and	and	CCONJ
ap-1540	94	11	development	development	NOUN
ap-1540	94	12	agency	agency	NOUN
ap-1540	94	13	under	under	ADP
ap-1540	94	14	contract	contract	NOUN
ap-1540	94	15	no	no	INTJ
ap-1540	94	16	.	.	PUNCT
ap-1540	95	1	apvv-0270	apvv-0270	NOUN
ap-1540	95	2	-	-	PUNCT
ap-1540	95	3	06	06	NUM
ap-1540	95	4	and	and	CCONJ
ap-1540	95	5	contract	contract	NOUN
ap-1540	96	1	no	no	INTJ
ap-1540	96	2	.	.	PUNCT
ap-1540	96	3	apvv-0090	apvv-0090	ADP
ap-1540	96	4	-	-	PUNCT
ap-1540	96	5	10	10	NUM
ap-1540	96	6	.	.	PUNCT
ap-1540	97	1	references	reference	NOUN
ap-1540	97	2	[	[	X
ap-1540	97	3	1	1	NUM
ap-1540	97	4	]	]	PUNCT
ap-1540	97	5	akansu	akansu	NOUN
ap-1540	97	6	,	,	PUNCT
ap-1540	97	7	s.	s.	PROPN
ap-1540	97	8	o.	o.	PROPN
ap-1540	97	9	,	,	PUNCT
ap-1540	97	10	kahraman	kahraman	NOUN
ap-1540	97	11	,	,	PUNCT
ap-1540	97	12	n.	n.	NOUN
ap-1540	97	13	,	,	PUNCT
ap-1540	97	14	ceper	ceper	NOUN
ap-1540	97	15	,	,	PUNCT
ap-1540	97	16	b.	b.	PROPN
ap-1540	97	17	:	:	PUNCT
ap-1540	97	18	experimental	experimental	ADJ
ap-1540	97	19	study	study	NOUN
ap-1540	97	20	on	on	ADP
ap-1540	97	21	a	a	DET
ap-1540	97	22	spark	spark	NOUN
ap-1540	97	23	ignition	ignition	NOUN
ap-1540	97	24	engine	engine	NOUN
ap-1540	97	25	fuelled	fuel	VERB
ap-1540	97	26	by	by	ADP
ap-1540	97	27	methane	methane	NOUN
ap-1540	97	28	-	-	PUNCT
ap-1540	97	29	hydrogen	hydrogen	NOUN
ap-1540	97	30	mixtures	mixture	NOUN
ap-1540	97	31	,	,	PUNCT
ap-1540	97	32	international	international	ADJ
ap-1540	97	33	journal	journal	NOUN
ap-1540	97	34	of	of	ADP
ap-1540	97	35	hydrogen	hydrogen	NOUN
ap-1540	97	36	energy	energy	NOUN
ap-1540	97	37	,	,	PUNCT
ap-1540	97	38	32	32	NUM
ap-1540	97	39	,	,	PUNCT
ap-1540	97	40	2007	2007	NUM
ap-1540	97	41	,	,	PUNCT
ap-1540	97	42	p.	p.	NOUN
ap-1540	97	43	4	4	NUM
ap-1540	97	44	279–4	279–4	NUM
ap-1540	97	45	284	284	NUM
ap-1540	97	46	.	.	PUNCT
ap-1540	98	1	[	[	X
ap-1540	98	2	2	2	NUM
ap-1540	98	3	]	]	X
ap-1540	98	4	huang	huang	PROPN
ap-1540	98	5	,	,	PUNCT
ap-1540	98	6	z.	z.	PROPN
ap-1540	98	7	,	,	PUNCT
ap-1540	98	8	bing	bing	NOUN
ap-1540	98	9	,	,	PUNCT
ap-1540	98	10	l.	l.	PROPN
ap-1540	98	11	:	:	PUNCT
ap-1540	98	12	experimental	experimental	ADJ
ap-1540	98	13	study	study	NOUN
ap-1540	98	14	on	on	ADP
ap-1540	98	15	engine	engine	NOUN
ap-1540	98	16	performance	performance	NOUN
ap-1540	98	17	and	and	CCONJ
ap-1540	98	18	emissions	emission	NOUN
ap-1540	98	19	for	for	ADP
ap-1540	98	20	an	an	DET
ap-1540	98	21	engine	engine	NOUN
ap-1540	98	22	fuelled	fuel	VERB
ap-1540	98	23	with	with	ADP
ap-1540	98	24	natural	natural	ADJ
ap-1540	98	25	gas	gas	NOUN
ap-1540	98	26	—	—	PUNCT
ap-1540	98	27	hydrogen	hydrogen	NOUN
ap-1540	98	28	mixtures	mixture	NOUN
ap-1540	98	29	,	,	PUNCT
ap-1540	98	30	energy	energy	NOUN
ap-1540	98	31	fuels	fuel	NOUN
ap-1540	98	32	,	,	PUNCT
ap-1540	98	33	2006	2006	NUM
ap-1540	98	34	,	,	PUNCT
ap-1540	98	35	p.	p.	NOUN
ap-1540	98	36	2	2	NUM
ap-1540	98	37	131–2	131–2	NUM
ap-1540	98	38	136	136	NUM
ap-1540	98	39	.	.	PUNCT
ap-1540	99	1	[	[	X
ap-1540	99	2	3	3	NUM
ap-1540	99	3	]	]	X
ap-1540	99	4	eichlseder	eichlseder	NOUN
ap-1540	99	5	,	,	PUNCT
ap-1540	99	6	h.	h.	PROPN
ap-1540	99	7	,	,	PUNCT
ap-1540	99	8	klell	klell	PROPN
ap-1540	99	9	,	,	PUNCT
ap-1540	99	10	m.	m.	NOUN
ap-1540	99	11	:	:	PUNCT
ap-1540	99	12	wasserstoff	wasserstoff	NOUN
ap-1540	99	13	in	in	ADP
ap-1540	99	14	der	der	ADJ
ap-1540	99	15	fahrzeugtechnik	fahrzeugtechnik	NOUN
ap-1540	99	16	.	.	PUNCT
ap-1540	100	1	vieweg+teubner	vieweg+teubner	PROPN
ap-1540	100	2	,	,	PUNCT
ap-1540	100	3	2008	2008	NUM
ap-1540	100	4	.	.	PUNCT
ap-1540	101	1	isbn	isbn	PROPN
ap-1540	101	2	3834804789	3834804789	NUM
ap-1540	101	3	.	.	PUNCT
ap-1540	102	1	27	27	NUM