id	sid	tid	token	lemma	pos
ajst-14147	1	1	academic	academic	ADJ
ajst-14147	1	2	journal	journal	NOUN
ajst-14147	1	3	of	of	ADP
ajst-14147	1	4	science	science	NOUN
ajst-14147	1	5	and	and	CCONJ
ajst-14147	1	6	technology	technology	NOUN
ajst-14147	1	7	issn	issn	NOUN
ajst-14147	1	8	:	:	PUNCT
ajst-14147	1	9	2771	2771	NUM
ajst-14147	1	10	-	-	SYM
ajst-14147	1	11	3032	3032	NUM
ajst-14147	1	12	|	|	NOUN
ajst-14147	1	13	vol	vol	NOUN
ajst-14147	1	14	.	.	PROPN
ajst-14147	1	15	8	8	NUM
ajst-14147	1	16	,	,	PUNCT
ajst-14147	1	17	no	no	INTJ
ajst-14147	1	18	.	.	NOUN
ajst-14147	1	19	1	1	NUM
ajst-14147	1	20	,	,	PUNCT
ajst-14147	1	21	2023	2023	NUM
ajst-14147	1	22	137	137	NUM
ajst-14147	1	23	engine	engine	NOUN
ajst-14147	1	24	performance	performance	NOUN
ajst-14147	1	25	technology	technology	NOUN
ajst-14147	1	26	and	and	CCONJ
ajst-14147	1	27	applications	application	NOUN
ajst-14147	1	28	luojintong	luojintong	PROPN
ajst-14147	1	29	huang1	huang1	PROPN
ajst-14147	1	30	,	,	PUNCT
ajst-14147	1	31	a	a	DET
ajst-14147	1	32	1aquinas	1aquinas	NUM
ajst-14147	1	33	international	international	ADJ
ajst-14147	1	34	academy	academy	PROPN
ajst-14147	1	35	,	,	PUNCT
ajst-14147	1	36	california	california	PROPN
ajst-14147	1	37	,	,	PUNCT
ajst-14147	1	38	92845	92845	NUM
ajst-14147	1	39	,	,	PUNCT
ajst-14147	1	40	the	the	DET
ajst-14147	1	41	united	united	PROPN
ajst-14147	1	42	states	states	PROPN
ajst-14147	1	43	of	of	ADP
ajst-14147	1	44	america	america	PROPN
ajst-14147	1	45	aemail	aemail	PROPN
ajst-14147	1	46	:	:	PUNCT
ajst-14147	1	47	h3523645256@yeah.net	h3523645256@yeah.net	NOUN
ajst-14147	1	48	abstract	abstract	NOUN
ajst-14147	1	49	:	:	PUNCT
ajst-14147	1	50	the	the	DET
ajst-14147	1	51	aim	aim	NOUN
ajst-14147	1	52	of	of	ADP
ajst-14147	1	53	this	this	DET
ajst-14147	1	54	paper	paper	NOUN
ajst-14147	1	55	is	be	AUX
ajst-14147	1	56	to	to	PART
ajst-14147	1	57	summarize	summarize	VERB
ajst-14147	1	58	and	and	CCONJ
ajst-14147	1	59	consolidate	consolidate	VERB
ajst-14147	1	60	the	the	DET
ajst-14147	1	61	optimization	optimization	NOUN
ajst-14147	1	62	and	and	CCONJ
ajst-14147	1	63	improvements	improvement	NOUN
ajst-14147	1	64	in	in	ADP
ajst-14147	1	65	engine	engine	NOUN
ajst-14147	1	66	types	type	NOUN
ajst-14147	1	67	,	,	PUNCT
ajst-14147	1	68	new	new	ADJ
ajst-14147	1	69	technologies	technology	NOUN
ajst-14147	1	70	,	,	PUNCT
ajst-14147	1	71	and	and	CCONJ
ajst-14147	1	72	existing	exist	VERB
ajst-14147	1	73	technologies	technology	NOUN
ajst-14147	1	74	over	over	ADP
ajst-14147	1	75	the	the	DET
ajst-14147	1	76	past	past	ADJ
ajst-14147	1	77	few	few	ADJ
ajst-14147	1	78	years	year	NOUN
ajst-14147	1	79	.	.	PUNCT
ajst-14147	2	1	additionally	additionally	ADV
ajst-14147	2	2	,	,	PUNCT
ajst-14147	2	3	it	it	PRON
ajst-14147	2	4	effectively	effectively	ADV
ajst-14147	2	5	analyzes	analyze	VERB
ajst-14147	2	6	the	the	DET
ajst-14147	2	7	impact	impact	NOUN
ajst-14147	2	8	of	of	ADP
ajst-14147	2	9	improved	improved	ADJ
ajst-14147	2	10	engines	engine	NOUN
ajst-14147	2	11	on	on	ADP
ajst-14147	2	12	automotive	automotive	ADJ
ajst-14147	2	13	performance	performance	NOUN
ajst-14147	2	14	and	and	CCONJ
ajst-14147	2	15	driving	driving	NOUN
ajst-14147	2	16	experience	experience	NOUN
ajst-14147	2	17	.	.	PUNCT
ajst-14147	3	1	regarding	regard	VERB
ajst-14147	3	2	direct	direct	ADJ
ajst-14147	3	3	-	-	PUNCT
ajst-14147	3	4	injection	injection	NOUN
ajst-14147	3	5	technology	technology	NOUN
ajst-14147	3	6	,	,	PUNCT
ajst-14147	3	7	this	this	DET
ajst-14147	3	8	paper	paper	NOUN
ajst-14147	3	9	primarily	primarily	ADV
ajst-14147	3	10	highlights	highlight	VERB
ajst-14147	3	11	the	the	DET
ajst-14147	3	12	new	new	ADJ
ajst-14147	3	13	technology	technology	NOUN
ajst-14147	3	14	in	in	ADP
ajst-14147	3	15	the	the	DET
ajst-14147	3	16	field	field	NOUN
ajst-14147	3	17	of	of	ADP
ajst-14147	3	18	natural	natural	ADJ
ajst-14147	3	19	gas	gas	NOUN
ajst-14147	3	20	direct	direct	ADJ
ajst-14147	3	21	-	-	PUNCT
ajst-14147	3	22	injection	injection	NOUN
ajst-14147	3	23	engines	engine	NOUN
ajst-14147	3	24	.	.	PUNCT
ajst-14147	4	1	among	among	ADP
ajst-14147	4	2	these	these	DET
ajst-14147	4	3	,	,	PUNCT
ajst-14147	4	4	high	high	ADJ
ajst-14147	4	5	-	-	PUNCT
ajst-14147	4	6	pressure	pressure	NOUN
ajst-14147	4	7	direct	direct	ADJ
ajst-14147	4	8	-	-	PUNCT
ajst-14147	4	9	injection	injection	NOUN
ajst-14147	4	10	natural	natural	ADJ
ajst-14147	4	11	gas	gas	NOUN
ajst-14147	4	12	engines	engine	NOUN
ajst-14147	4	13	excel	excel	VERB
ajst-14147	4	14	in	in	ADP
ajst-14147	4	15	improving	improve	VERB
ajst-14147	4	16	fuel	fuel	NOUN
ajst-14147	4	17	economy	economy	NOUN
ajst-14147	4	18	and	and	CCONJ
ajst-14147	4	19	emissions	emission	NOUN
ajst-14147	4	20	,	,	PUNCT
ajst-14147	4	21	effectively	effectively	ADV
ajst-14147	4	22	suppressing	suppress	VERB
ajst-14147	4	23	the	the	DET
ajst-14147	4	24	limitations	limitation	NOUN
ajst-14147	4	25	of	of	ADP
ajst-14147	4	26	knocking	knock	VERB
ajst-14147	4	27	on	on	ADP
ajst-14147	4	28	such	such	ADJ
ajst-14147	4	29	engines	engine	NOUN
ajst-14147	4	30	'	'	PART
ajst-14147	4	31	output	output	NOUN
ajst-14147	4	32	power	power	NOUN
ajst-14147	4	33	.	.	PUNCT
ajst-14147	5	1	on	on	ADP
ajst-14147	5	2	the	the	DET
ajst-14147	5	3	other	other	ADJ
ajst-14147	5	4	hand	hand	NOUN
ajst-14147	5	5	,	,	PUNCT
ajst-14147	5	6	low	low	ADJ
ajst-14147	5	7	-	-	PUNCT
ajst-14147	5	8	pressure	pressure	NOUN
ajst-14147	5	9	direct	direct	ADJ
ajst-14147	5	10	-	-	PUNCT
ajst-14147	5	11	injection	injection	NOUN
ajst-14147	5	12	natural	natural	ADJ
ajst-14147	5	13	gas	gas	NOUN
ajst-14147	5	14	engines	engine	NOUN
ajst-14147	5	15	exhibit	exhibit	VERB
ajst-14147	5	16	lower	low	ADJ
ajst-14147	5	17	injection	injection	NOUN
ajst-14147	5	18	pressures	pressure	NOUN
ajst-14147	5	19	when	when	SCONJ
ajst-14147	5	20	the	the	DET
ajst-14147	5	21	engine	engine	NOUN
ajst-14147	5	22	is	be	AUX
ajst-14147	5	23	in	in	ADP
ajst-14147	5	24	the	the	DET
ajst-14147	5	25	intake	intake	NOUN
ajst-14147	5	26	stroke	stroke	NOUN
ajst-14147	5	27	.	.	PUNCT
ajst-14147	6	1	concerning	concern	VERB
ajst-14147	6	2	variable	variable	ADJ
ajst-14147	6	3	valve	valve	NOUN
ajst-14147	6	4	timing	timing	NOUN
ajst-14147	6	5	technology	technology	NOUN
ajst-14147	6	6	,	,	PUNCT
ajst-14147	6	7	the	the	DET
ajst-14147	6	8	study	study	NOUN
ajst-14147	6	9	investigates	investigate	VERB
ajst-14147	6	10	parameters	parameter	NOUN
ajst-14147	6	11	such	such	ADJ
ajst-14147	6	12	as	as	ADP
ajst-14147	6	13	the	the	DET
ajst-14147	6	14	angle	angle	NOUN
ajst-14147	6	15	adjustment	adjustment	NOUN
ajst-14147	6	16	of	of	ADP
ajst-14147	6	17	the	the	DET
ajst-14147	6	18	variable	variable	ADJ
ajst-14147	6	19	valve	valve	NOUN
ajst-14147	6	20	timing	timing	NOUN
ajst-14147	6	21	mechanism	mechanism	NOUN
ajst-14147	6	22	,	,	PUNCT
ajst-14147	6	23	unlocking	unlock	VERB
ajst-14147	6	24	methods	method	NOUN
ajst-14147	6	25	,	,	PUNCT
ajst-14147	6	26	and	and	CCONJ
ajst-14147	6	27	unlocking	unlock	VERB
ajst-14147	6	28	pressures	pressure	NOUN
ajst-14147	6	29	.	.	PUNCT
ajst-14147	7	1	furthermore	furthermore	ADV
ajst-14147	7	2	,	,	PUNCT
ajst-14147	7	3	the	the	DET
ajst-14147	7	4	dual	dual	ADJ
ajst-14147	7	5	vvt	vvt	NOUN
ajst-14147	7	6	-	-	PUNCT
ajst-14147	7	7	i	i	PROPN
ajst-14147	7	8	technology	technology	NOUN
ajst-14147	7	9	enhances	enhance	VERB
ajst-14147	7	10	intake	intake	ADJ
ajst-14147	7	11	efficiency	efficiency	NOUN
ajst-14147	7	12	,	,	PUNCT
ajst-14147	7	13	ensuring	ensure	VERB
ajst-14147	7	14	ample	ample	ADJ
ajst-14147	7	15	torque	torque	NOUN
ajst-14147	7	16	output	output	NOUN
ajst-14147	7	17	within	within	ADP
ajst-14147	7	18	the	the	DET
ajst-14147	7	19	low	low	ADJ
ajst-14147	7	20	and	and	CCONJ
ajst-14147	7	21	mid	mid	ADJ
ajst-14147	7	22	-	-	ADJ
ajst-14147	7	23	range	range	ADJ
ajst-14147	7	24	rpms	rpm	NOUN
ajst-14147	7	25	,	,	PUNCT
ajst-14147	7	26	guaranteeing	guarantee	VERB
ajst-14147	7	27	sufficient	sufficient	ADJ
ajst-14147	7	28	power	power	NOUN
ajst-14147	7	29	performance	performance	NOUN
ajst-14147	7	30	in	in	ADP
ajst-14147	7	31	various	various	ADJ
ajst-14147	7	32	operating	operating	NOUN
ajst-14147	7	33	conditions	condition	NOUN
ajst-14147	7	34	.	.	PUNCT
ajst-14147	8	1	in	in	ADP
ajst-14147	8	2	today	today	NOUN
ajst-14147	8	3	's	's	PART
ajst-14147	8	4	rapidly	rapidly	ADV
ajst-14147	8	5	advancing	advance	VERB
ajst-14147	8	6	industrial	industrial	ADJ
ajst-14147	8	7	technology	technology	NOUN
ajst-14147	8	8	landscape	landscape	NOUN
ajst-14147	8	9	,	,	PUNCT
ajst-14147	8	10	many	many	ADJ
ajst-14147	8	11	technologies	technology	NOUN
ajst-14147	8	12	have	have	AUX
ajst-14147	8	13	made	make	VERB
ajst-14147	8	14	significant	significant	ADJ
ajst-14147	8	15	progress	progress	NOUN
ajst-14147	8	16	.	.	PUNCT
ajst-14147	9	1	however	however	ADV
ajst-14147	9	2	,	,	PUNCT
ajst-14147	9	3	the	the	DET
ajst-14147	9	4	current	current	ADJ
ajst-14147	9	5	societal	societal	ADJ
ajst-14147	9	6	trend	trend	NOUN
ajst-14147	9	7	is	be	AUX
ajst-14147	9	8	moving	move	VERB
ajst-14147	9	9	towards	towards	ADP
ajst-14147	9	10	energy	energy	NOUN
ajst-14147	9	11	conservation	conservation	NOUN
ajst-14147	9	12	and	and	CCONJ
ajst-14147	9	13	carbon	carbon	NOUN
ajst-14147	9	14	reduction	reduction	NOUN
ajst-14147	9	15	,	,	PUNCT
ajst-14147	9	16	gradually	gradually	ADV
ajst-14147	9	17	phasing	phase	VERB
ajst-14147	9	18	out	out	ADP
ajst-14147	9	19	traditional	traditional	ADJ
ajst-14147	9	20	engines	engine	NOUN
ajst-14147	9	21	from	from	ADP
ajst-14147	9	22	the	the	DET
ajst-14147	9	23	historical	historical	ADJ
ajst-14147	9	24	stage	stage	NOUN
ajst-14147	9	25	.	.	PUNCT
ajst-14147	10	1	the	the	DET
ajst-14147	10	2	future	future	ADJ
ajst-14147	10	3	development	development	NOUN
ajst-14147	10	4	trend	trend	NOUN
ajst-14147	10	5	will	will	AUX
ajst-14147	10	6	be	be	AUX
ajst-14147	10	7	new	new	ADJ
ajst-14147	10	8	energy	energy	NOUN
ajst-14147	10	9	engines	engine	NOUN
ajst-14147	10	10	,	,	PUNCT
ajst-14147	10	11	such	such	ADJ
ajst-14147	10	12	as	as	ADP
ajst-14147	10	13	new	new	ADJ
ajst-14147	10	14	energy	energy	NOUN
ajst-14147	10	15	materials	material	NOUN
ajst-14147	10	16	like	like	ADP
ajst-14147	10	17	pure	pure	ADJ
ajst-14147	10	18	electric	electric	NOUN
ajst-14147	10	19	,	,	PUNCT
ajst-14147	10	20	hydrogen	hydrogen	NOUN
ajst-14147	10	21	,	,	PUNCT
ajst-14147	10	22	and	and	CCONJ
ajst-14147	10	23	natural	natural	ADJ
ajst-14147	10	24	gas	gas	NOUN
ajst-14147	10	25	.	.	PUNCT
ajst-14147	11	1	additionally	additionally	ADV
ajst-14147	11	2	,	,	PUNCT
ajst-14147	11	3	artificial	artificial	ADJ
ajst-14147	11	4	intelligence	intelligence	NOUN
ajst-14147	11	5	will	will	AUX
ajst-14147	11	6	rapidly	rapidly	ADV
ajst-14147	11	7	emerge	emerge	VERB
ajst-14147	11	8	in	in	ADP
ajst-14147	11	9	various	various	ADJ
ajst-14147	11	10	industries	industry	NOUN
ajst-14147	11	11	.	.	PUNCT
ajst-14147	12	1	keywords	keyword	NOUN
ajst-14147	12	2	:	:	PUNCT
ajst-14147	12	3	engine	engine	NOUN
ajst-14147	12	4	,	,	PUNCT
ajst-14147	12	5	performance	performance	NOUN
ajst-14147	12	6	,	,	PUNCT
ajst-14147	12	7	direct	direct	ADJ
ajst-14147	12	8	injection	injection	NOUN
ajst-14147	12	9	,	,	PUNCT
ajst-14147	12	10	variable	variable	ADJ
ajst-14147	12	11	valve	valve	NOUN
ajst-14147	12	12	timing	timing	NOUN
ajst-14147	12	13	,	,	PUNCT
ajst-14147	12	14	new	new	ADJ
ajst-14147	12	15	energy	energy	NOUN
ajst-14147	12	16	,	,	PUNCT
ajst-14147	12	17	intelligent	intelligent	ADJ
ajst-14147	12	18	.	.	PUNCT
ajst-14147	13	1	1	1	X
ajst-14147	13	2	.	.	X
ajst-14147	13	3	introduction	introduction	NOUN
ajst-14147	13	4	in	in	ADP
ajst-14147	13	5	today	today	NOUN
ajst-14147	13	6	's	's	PART
ajst-14147	13	7	rapidly	rapidly	ADV
ajst-14147	13	8	evolving	evolve	VERB
ajst-14147	13	9	industrial	industrial	ADJ
ajst-14147	13	10	landscape	landscape	NOUN
ajst-14147	13	11	,	,	PUNCT
ajst-14147	13	12	numerous	numerous	ADJ
ajst-14147	13	13	technologies	technology	NOUN
ajst-14147	13	14	have	have	AUX
ajst-14147	13	15	made	make	VERB
ajst-14147	13	16	substantial	substantial	ADJ
ajst-14147	13	17	advancements	advancement	NOUN
ajst-14147	13	18	,	,	PUNCT
ajst-14147	13	19	and	and	CCONJ
ajst-14147	13	20	among	among	ADP
ajst-14147	13	21	them	they	PRON
ajst-14147	13	22	is	be	AUX
ajst-14147	13	23	engine	engine	NOUN
ajst-14147	13	24	technology	technology	NOUN
ajst-14147	13	25	.	.	PUNCT
ajst-14147	14	1	engines	engine	NOUN
ajst-14147	14	2	find	find	VERB
ajst-14147	14	3	applications	application	NOUN
ajst-14147	14	4	in	in	ADP
ajst-14147	14	5	various	various	ADJ
ajst-14147	14	6	sectors	sector	NOUN
ajst-14147	14	7	,	,	PUNCT
ajst-14147	14	8	including	include	VERB
ajst-14147	14	9	automotive	automotive	ADJ
ajst-14147	14	10	,	,	PUNCT
ajst-14147	14	11	power	power	NOUN
ajst-14147	14	12	generation	generation	NOUN
ajst-14147	14	13	,	,	PUNCT
ajst-14147	14	14	mechanical	mechanical	ADJ
ajst-14147	14	15	,	,	PUNCT
ajst-14147	14	16	and	and	CCONJ
ajst-14147	14	17	aerospace	aerospace	NOUN
ajst-14147	14	18	industries	industry	NOUN
ajst-14147	14	19	.	.	PUNCT
ajst-14147	15	1	the	the	DET
ajst-14147	15	2	swift	swift	ADJ
ajst-14147	15	3	progress	progress	NOUN
ajst-14147	15	4	in	in	ADP
ajst-14147	15	5	these	these	DET
ajst-14147	15	6	industrial	industrial	ADJ
ajst-14147	15	7	domains	domain	NOUN
ajst-14147	15	8	demands	demand	VERB
ajst-14147	15	9	higher	high	ADJ
ajst-14147	15	10	levels	level	NOUN
ajst-14147	15	11	of	of	ADP
ajst-14147	15	12	propulsion	propulsion	NOUN
ajst-14147	15	13	,	,	PUNCT
ajst-14147	15	14	imposing	impose	VERB
ajst-14147	15	15	elevated	elevated	ADJ
ajst-14147	15	16	requirements	requirement	NOUN
ajst-14147	15	17	on	on	ADP
ajst-14147	15	18	engines	engine	NOUN
ajst-14147	15	19	.	.	PUNCT
ajst-14147	16	1	engines	engine	NOUN
ajst-14147	16	2	,	,	PUNCT
ajst-14147	16	3	as	as	ADP
ajst-14147	16	4	critical	critical	ADJ
ajst-14147	16	5	components	component	NOUN
ajst-14147	16	6	,	,	PUNCT
ajst-14147	16	7	have	have	AUX
ajst-14147	16	8	undergone	undergo	VERB
ajst-14147	16	9	extensive	extensive	ADJ
ajst-14147	16	10	research	research	NOUN
ajst-14147	16	11	,	,	PUNCT
ajst-14147	16	12	encompassing	encompass	VERB
ajst-14147	16	13	improvements	improvement	NOUN
ajst-14147	16	14	,	,	PUNCT
ajst-14147	16	15	optimizations	optimization	NOUN
ajst-14147	16	16	,	,	PUNCT
ajst-14147	16	17	and	and	CCONJ
ajst-14147	16	18	diverse	diverse	ADJ
ajst-14147	16	19	designs	design	NOUN
ajst-14147	16	20	.	.	PUNCT
ajst-14147	17	1	however	however	ADV
ajst-14147	17	2	,	,	PUNCT
ajst-14147	17	3	despite	despite	SCONJ
ajst-14147	17	4	progress	progress	NOUN
ajst-14147	17	5	in	in	ADP
ajst-14147	17	6	various	various	ADJ
ajst-14147	17	7	aspects	aspect	NOUN
ajst-14147	17	8	,	,	PUNCT
ajst-14147	17	9	challenges	challenge	NOUN
ajst-14147	17	10	persist	persist	VERB
ajst-14147	17	11	.	.	PUNCT
ajst-14147	18	1	whether	whether	SCONJ
ajst-14147	18	2	it	it	PRON
ajst-14147	18	3	's	be	AUX
ajst-14147	18	4	in	in	ADP
ajst-14147	18	5	racing	racing	NOUN
ajst-14147	18	6	or	or	CCONJ
ajst-14147	18	7	everyday	everyday	ADJ
ajst-14147	18	8	transportation	transportation	NOUN
ajst-14147	18	9	,	,	PUNCT
ajst-14147	18	10	both	both	PRON
ajst-14147	18	11	employ	employ	VERB
ajst-14147	18	12	reciprocating	reciprocate	VERB
ajst-14147	18	13	four	four	NUM
ajst-14147	18	14	-	-	PUNCT
ajst-14147	18	15	stroke	stroke	NOUN
ajst-14147	18	16	engines	engine	NOUN
ajst-14147	18	17	with	with	ADP
ajst-14147	18	18	fundamentally	fundamentally	ADV
ajst-14147	18	19	similar	similar	ADJ
ajst-14147	18	20	operating	operating	NOUN
ajst-14147	18	21	principles	principle	NOUN
ajst-14147	18	22	,	,	PUNCT
ajst-14147	18	23	undergoing	undergo	VERB
ajst-14147	18	24	four	four	NUM
ajst-14147	18	25	cyclic	cyclic	ADJ
ajst-14147	18	26	processes	process	NOUN
ajst-14147	18	27	:	:	PUNCT
ajst-14147	18	28	intake	intake	ADJ
ajst-14147	18	29	,	,	PUNCT
ajst-14147	18	30	compression	compression	NOUN
ajst-14147	18	31	,	,	PUNCT
ajst-14147	18	32	power	power	NOUN
ajst-14147	18	33	,	,	PUNCT
ajst-14147	18	34	and	and	CCONJ
ajst-14147	18	35	exhaust	exhaust	NOUN
ajst-14147	18	36	.	.	PUNCT
ajst-14147	19	1	nevertheless	nevertheless	ADV
ajst-14147	19	2	,	,	PUNCT
ajst-14147	19	3	their	their	PRON
ajst-14147	19	4	design	design	NOUN
ajst-14147	19	5	preferences	preference	NOUN
ajst-14147	19	6	differ	differ	VERB
ajst-14147	19	7	significantly	significantly	ADV
ajst-14147	19	8	.	.	PUNCT
ajst-14147	20	1	racing	race	VERB
ajst-14147	20	2	engines	engine	NOUN
ajst-14147	20	3	seek	seek	VERB
ajst-14147	20	4	high	high	ADJ
ajst-14147	20	5	-	-	PUNCT
ajst-14147	20	6	speed	speed	NOUN
ajst-14147	20	7	power	power	NOUN
ajst-14147	20	8	bursts	burst	NOUN
ajst-14147	20	9	to	to	PART
ajst-14147	20	10	attain	attain	VERB
ajst-14147	20	11	unparalleled	unparalleled	ADJ
ajst-14147	20	12	velocity	velocity	NOUN
ajst-14147	20	13	,	,	PUNCT
ajst-14147	20	14	focusing	focus	VERB
ajst-14147	20	15	on	on	ADP
ajst-14147	20	16	a	a	DET
ajst-14147	20	17	singular	singular	ADJ
ajst-14147	20	18	objective	objective	NOUN
ajst-14147	20	19	.	.	PUNCT
ajst-14147	21	1	on	on	ADP
ajst-14147	21	2	the	the	DET
ajst-14147	21	3	other	other	ADJ
ajst-14147	21	4	hand	hand	NOUN
ajst-14147	21	5	,	,	PUNCT
ajst-14147	21	6	civilian	civilian	ADJ
ajst-14147	21	7	engines	engine	NOUN
ajst-14147	21	8	lean	lean	VERB
ajst-14147	21	9	toward	toward	ADP
ajst-14147	21	10	torque	torque	NOUN
ajst-14147	21	11	applications	application	NOUN
ajst-14147	21	12	at	at	ADP
ajst-14147	21	13	lower	low	ADJ
ajst-14147	21	14	speeds	speed	NOUN
ajst-14147	21	15	,	,	PUNCT
ajst-14147	21	16	considering	consider	VERB
ajst-14147	21	17	various	various	ADJ
ajst-14147	21	18	other	other	ADJ
ajst-14147	21	19	factors	factor	NOUN
ajst-14147	21	20	as	as	ADV
ajst-14147	21	21	well	well	ADV
ajst-14147	21	22	.	.	PUNCT
ajst-14147	22	1	as	as	ADP
ajst-14147	22	2	a	a	DET
ajst-14147	22	3	result	result	NOUN
ajst-14147	22	4	,	,	PUNCT
ajst-14147	22	5	racing	racing	NOUN
ajst-14147	22	6	engines	engine	NOUN
ajst-14147	22	7	feature	feature	VERB
ajst-14147	22	8	short	short	ADJ
ajst-14147	22	9	stroke	stroke	NOUN
ajst-14147	22	10	lengths	length	NOUN
ajst-14147	22	11	and	and	CCONJ
ajst-14147	22	12	large	large	ADJ
ajst-14147	22	13	bore	bore	NOUN
ajst-14147	22	14	diameters	diameter	NOUN
ajst-14147	22	15	,	,	PUNCT
ajst-14147	22	16	allowing	allow	VERB
ajst-14147	22	17	pistons	piston	NOUN
ajst-14147	22	18	to	to	PART
ajst-14147	22	19	swiftly	swiftly	ADV
ajst-14147	22	20	complete	complete	VERB
ajst-14147	22	21	a	a	DET
ajst-14147	22	22	work	work	NOUN
ajst-14147	22	23	cycle	cycle	NOUN
ajst-14147	22	24	.	.	PUNCT
ajst-14147	23	1	this	this	PRON
ajst-14147	23	2	enables	enable	VERB
ajst-14147	23	3	rapid	rapid	ADJ
ajst-14147	23	4	increases	increase	NOUN
ajst-14147	23	5	in	in	ADP
ajst-14147	23	6	engine	engine	NOUN
ajst-14147	23	7	speed	speed	NOUN
ajst-14147	23	8	,	,	PUNCT
ajst-14147	23	9	resulting	result	VERB
ajst-14147	23	10	in	in	ADP
ajst-14147	23	11	instantaneous	instantaneous	ADJ
ajst-14147	23	12	acceleration	acceleration	NOUN
ajst-14147	23	13	.	.	PUNCT
ajst-14147	24	1	racing	race	VERB
ajst-14147	24	2	engines	engine	NOUN
ajst-14147	24	3	can	can	AUX
ajst-14147	24	4	idle	idle	VERB
ajst-14147	24	5	at	at	ADP
ajst-14147	24	6	speeds	speed	NOUN
ajst-14147	24	7	exceeding	exceed	VERB
ajst-14147	24	8	12,000	12,000	NUM
ajst-14147	24	9	rpm	rpm	NOUN
ajst-14147	24	10	or	or	CCONJ
ajst-14147	24	11	even	even	ADV
ajst-14147	24	12	higher	high	ADJ
ajst-14147	24	13	.	.	PUNCT
ajst-14147	25	1	in	in	ADP
ajst-14147	25	2	contrast	contrast	NOUN
ajst-14147	25	3	,	,	PUNCT
ajst-14147	25	4	civilian	civilian	ADJ
ajst-14147	25	5	engines	engine	NOUN
ajst-14147	25	6	have	have	VERB
ajst-14147	25	7	longer	long	ADJ
ajst-14147	25	8	stroke	stroke	NOUN
ajst-14147	25	9	lengths	length	NOUN
ajst-14147	25	10	and	and	CCONJ
ajst-14147	25	11	smaller	small	ADJ
ajst-14147	25	12	bore	bore	NOUN
ajst-14147	25	13	diameters	diameter	NOUN
ajst-14147	25	14	,	,	PUNCT
ajst-14147	25	15	allowing	allow	VERB
ajst-14147	25	16	pistons	piston	NOUN
ajst-14147	25	17	to	to	PART
ajst-14147	25	18	move	move	VERB
ajst-14147	25	19	relatively	relatively	ADV
ajst-14147	25	20	slowly	slowly	ADV
ajst-14147	25	21	through	through	ADP
ajst-14147	25	22	each	each	DET
ajst-14147	25	23	cycle	cycle	NOUN
ajst-14147	25	24	,	,	PUNCT
ajst-14147	25	25	enhancing	enhance	VERB
ajst-14147	25	26	stability	stability	NOUN
ajst-14147	25	27	and	and	CCONJ
ajst-14147	25	28	enabling	enable	VERB
ajst-14147	25	29	more	more	ADV
ajst-14147	25	30	efficient	efficient	ADJ
ajst-14147	25	31	fuel	fuel	NOUN
ajst-14147	25	32	utilization	utilization	NOUN
ajst-14147	25	33	.	.	PUNCT
ajst-14147	26	1	consequently	consequently	ADV
ajst-14147	26	2	,	,	PUNCT
ajst-14147	26	3	their	their	PRON
ajst-14147	26	4	operating	operate	VERB
ajst-14147	26	5	speeds	speed	NOUN
ajst-14147	26	6	remain	remain	VERB
ajst-14147	26	7	lower	low	ADJ
ajst-14147	26	8	,	,	PUNCT
ajst-14147	26	9	with	with	ADP
ajst-14147	26	10	five	five	NUM
ajst-14147	26	11	to	to	PART
ajst-14147	26	12	six	six	NUM
ajst-14147	26	13	thousand	thousand	NUM
ajst-14147	26	14	rpm	rpm	NOUN
ajst-14147	26	15	already	already	ADV
ajst-14147	26	16	considered	consider	VERB
ajst-14147	26	17	high	high	ADJ
ajst-14147	26	18	.	.	PUNCT
ajst-14147	27	1	hence	hence	ADV
ajst-14147	27	2	,	,	PUNCT
ajst-14147	27	3	despite	despite	SCONJ
ajst-14147	27	4	the	the	DET
ajst-14147	27	5	significant	significant	ADJ
ajst-14147	27	6	advancements	advancement	NOUN
ajst-14147	27	7	in	in	ADP
ajst-14147	27	8	engine	engine	NOUN
ajst-14147	27	9	technology	technology	NOUN
ajst-14147	27	10	,	,	PUNCT
ajst-14147	27	11	not	not	PART
ajst-14147	27	12	all	all	DET
ajst-14147	27	13	new	new	ADJ
ajst-14147	27	14	techniques	technique	NOUN
ajst-14147	27	15	and	and	CCONJ
ajst-14147	27	16	optimizations	optimization	NOUN
ajst-14147	27	17	can	can	AUX
ajst-14147	27	18	be	be	AUX
ajst-14147	27	19	universally	universally	ADV
ajst-14147	27	20	applied	apply	VERB
ajst-14147	27	21	to	to	ADP
ajst-14147	27	22	all	all	DET
ajst-14147	27	23	mechanical	mechanical	ADJ
ajst-14147	27	24	devices	device	NOUN
ajst-14147	27	25	equipped	equip	VERB
ajst-14147	27	26	with	with	ADP
ajst-14147	27	27	engines	engine	NOUN
ajst-14147	27	28	.	.	PUNCT
ajst-14147	28	1	selective	selective	ADJ
ajst-14147	28	2	equipment	equipment	NOUN
ajst-14147	28	3	choices	choice	NOUN
ajst-14147	28	4	must	must	AUX
ajst-14147	28	5	be	be	AUX
ajst-14147	28	6	made	make	VERB
ajst-14147	28	7	based	base	VERB
ajst-14147	28	8	on	on	ADP
ajst-14147	28	9	the	the	DET
ajst-14147	28	10	ultimate	ultimate	ADJ
ajst-14147	28	11	use	use	NOUN
ajst-14147	28	12	-	-	PUNCT
ajst-14147	28	13	case	case	NOUN
ajst-14147	28	14	scenario	scenario	NOUN
ajst-14147	28	15	and	and	CCONJ
ajst-14147	28	16	driving	drive	VERB
ajst-14147	28	17	experience	experience	NOUN
ajst-14147	28	18	considerations	consideration	NOUN
ajst-14147	28	19	.	.	PUNCT
ajst-14147	29	1	2	2	X
ajst-14147	29	2	.	.	X
ajst-14147	29	3	direct	direct	ADJ
ajst-14147	29	4	injection	injection	NOUN
ajst-14147	29	5	technology	technology	NOUN
ajst-14147	29	6	2.1	2.1	NUM
ajst-14147	29	7	.	.	PUNCT
ajst-14147	30	1	principle	principle	ADJ
ajst-14147	30	2	direct	direct	ADJ
ajst-14147	30	3	injection	injection	NOUN
ajst-14147	30	4	involves	involve	VERB
ajst-14147	30	5	the	the	DET
ajst-14147	30	6	installation	installation	NOUN
ajst-14147	30	7	of	of	ADP
ajst-14147	30	8	fuel	fuel	NOUN
ajst-14147	30	9	nozzles	nozzle	NOUN
ajst-14147	30	10	inside	inside	ADP
ajst-14147	30	11	the	the	DET
ajst-14147	30	12	engine	engine	NOUN
ajst-14147	30	13	cylinder	cylinder	NOUN
ajst-14147	30	14	,	,	PUNCT
ajst-14147	30	15	allowing	allow	VERB
ajst-14147	30	16	fuel	fuel	NOUN
ajst-14147	30	17	to	to	PART
ajst-14147	30	18	be	be	AUX
ajst-14147	30	19	directly	directly	ADV
ajst-14147	30	20	injected	inject	VERB
ajst-14147	30	21	into	into	ADP
ajst-14147	30	22	the	the	DET
ajst-14147	30	23	cylinder	cylinder	NOUN
ajst-14147	30	24	and	and	CCONJ
ajst-14147	30	25	mixed	mix	VERB
ajst-14147	30	26	with	with	ADP
ajst-14147	30	27	the	the	DET
ajst-14147	30	28	intake	intake	ADJ
ajst-14147	30	29	air	air	NOUN
ajst-14147	30	30	.	.	PUNCT
ajst-14147	31	1	this	this	DET
ajst-14147	31	2	process	process	NOUN
ajst-14147	31	3	increases	increase	VERB
ajst-14147	31	4	injection	injection	NOUN
ajst-14147	31	5	pressure	pressure	NOUN
ajst-14147	31	6	,	,	PUNCT
ajst-14147	31	7	achieving	achieve	VERB
ajst-14147	31	8	finer	fine	ADJ
ajst-14147	31	9	fuel	fuel	NOUN
ajst-14147	31	10	atomization	atomization	NOUN
ajst-14147	31	11	and	and	CCONJ
ajst-14147	31	12	precise	precise	ADJ
ajst-14147	31	13	control	control	NOUN
ajst-14147	31	14	of	of	ADP
ajst-14147	31	15	the	the	DET
ajst-14147	31	16	fuel	fuel	NOUN
ajst-14147	31	17	-	-	PUNCT
ajst-14147	31	18	to	to	ADP
ajst-14147	31	19	-	-	PUNCT
ajst-14147	31	20	air	air	NOUN
ajst-14147	31	21	ratio	ratio	NOUN
ajst-14147	31	22	.	.	PUNCT
ajst-14147	32	1	it	it	PRON
ajst-14147	32	2	eliminates	eliminate	VERB
ajst-14147	32	3	the	the	DET
ajst-14147	32	4	drawbacks	drawback	NOUN
ajst-14147	32	5	of	of	ADP
ajst-14147	32	6	previous	previous	ADJ
ajst-14147	32	7	external	external	ADJ
ajst-14147	32	8	intake	intake	ADJ
ajst-14147	32	9	manifold	manifold	ADJ
ajst-14147	32	10	injection	injection	NOUN
ajst-14147	32	11	methods	method	NOUN
ajst-14147	32	12	.	.	PUNCT
ajst-14147	33	1	special	special	ADJ
ajst-14147	33	2	designs	design	NOUN
ajst-14147	33	3	,	,	PUNCT
ajst-14147	33	4	including	include	VERB
ajst-14147	33	5	nozzle	nozzle	NOUN
ajst-14147	33	6	placement	placement	NOUN
ajst-14147	33	7	,	,	PUNCT
ajst-14147	33	8	spray	spray	NOUN
ajst-14147	33	9	pattern	pattern	NOUN
ajst-14147	33	10	,	,	PUNCT
ajst-14147	33	11	intake	intake	ADJ
ajst-14147	33	12	air	air	NOUN
ajst-14147	33	13	control	control	NOUN
ajst-14147	33	14	,	,	PUNCT
ajst-14147	33	15	and	and	CCONJ
ajst-14147	33	16	piston	piston	NOUN
ajst-14147	33	17	crown	crown	NOUN
ajst-14147	33	18	shape	shape	NOUN
ajst-14147	33	19	,	,	PUNCT
ajst-14147	33	20	ensure	ensure	VERB
ajst-14147	33	21	thorough	thorough	ADJ
ajst-14147	33	22	and	and	CCONJ
ajst-14147	33	23	uniform	uniform	ADJ
ajst-14147	33	24	fuel	fuel	NOUN
ajst-14147	33	25	-	-	PUNCT
ajst-14147	33	26	air	air	NOUN
ajst-14147	33	27	mixing	mixing	NOUN
ajst-14147	33	28	within	within	ADP
ajst-14147	33	29	the	the	DET
ajst-14147	33	30	entire	entire	ADJ
ajst-14147	33	31	cylinder	cylinder	NOUN
ajst-14147	33	32	.	.	PUNCT
ajst-14147	34	1	this	this	DET
ajst-14147	34	2	results	result	VERB
ajst-14147	34	3	in	in	ADP
ajst-14147	34	4	more	more	ADV
ajst-14147	34	5	complete	complete	ADJ
ajst-14147	34	6	fuel	fuel	NOUN
ajst-14147	34	7	combustion	combustion	NOUN
ajst-14147	34	8	and	and	CCONJ
ajst-14147	34	9	higher	high	ADJ
ajst-14147	34	10	energy	energy	NOUN
ajst-14147	34	11	conversion	conversion	NOUN
ajst-14147	34	12	efficiency	efficiency	NOUN
ajst-14147	34	13	.	.	PUNCT
ajst-14147	35	1	2.2	2.2	NUM
ajst-14147	35	2	.	.	PUNCT
ajst-14147	36	1	new	new	ADJ
ajst-14147	36	2	developments	development	NOUN
ajst-14147	36	3	in	in	ADP
ajst-14147	36	4	direct	direct	ADJ
ajst-14147	36	5	injection	injection	NOUN
ajst-14147	36	6	direct	direct	ADJ
ajst-14147	36	7	injection	injection	NOUN
ajst-14147	36	8	natural	natural	ADJ
ajst-14147	36	9	gas	gas	NOUN
ajst-14147	36	10	engines	engine	NOUN
ajst-14147	36	11	can	can	AUX
ajst-14147	36	12	address	address	VERB
ajst-14147	36	13	the	the	DET
ajst-14147	36	14	carbon	carbon	NOUN
ajst-14147	36	15	soot	soot	NOUN
ajst-14147	36	16	emissions	emission	NOUN
ajst-14147	36	17	issues	issue	NOUN
ajst-14147	36	18	associated	associate	VERB
ajst-14147	36	19	with	with	ADP
ajst-14147	36	20	direct	direct	ADJ
ajst-14147	36	21	-	-	PUNCT
ajst-14147	36	22	injection	injection	NOUN
ajst-14147	36	23	gasoline	gasoline	NOUN
ajst-14147	36	24	engines	engine	NOUN
ajst-14147	36	25	while	while	SCONJ
ajst-14147	36	26	improving	improve	VERB
ajst-14147	36	27	fuel	fuel	NOUN
ajst-14147	36	28	economy	economy	NOUN
ajst-14147	36	29	and	and	CCONJ
ajst-14147	36	30	power	power	NOUN
ajst-14147	36	31	output	output	NOUN
ajst-14147	36	32	.	.	PUNCT
ajst-14147	37	1	the	the	DET
ajst-14147	37	2	supply	supply	NOUN
ajst-14147	37	3	of	of	ADP
ajst-14147	37	4	gas	gas	NOUN
ajst-14147	37	5	through	through	ADP
ajst-14147	37	6	direct	direct	ADJ
ajst-14147	37	7	injection	injection	NOUN
ajst-14147	37	8	into	into	ADP
ajst-14147	37	9	the	the	DET
ajst-14147	37	10	cylinder	cylinder	NOUN
ajst-14147	37	11	offers	offer	VERB
ajst-14147	37	12	several	several	ADJ
ajst-14147	37	13	advantages	advantage	NOUN
ajst-14147	37	14	:	:	PUNCT
ajst-14147	37	15	significant	significant	ADJ
ajst-14147	37	16	reduction	reduction	NOUN
ajst-14147	37	17	or	or	CCONJ
ajst-14147	37	18	elimination	elimination	NOUN
ajst-14147	37	19	of	of	ADP
ajst-14147	37	20	volumetric	volumetric	NOUN
ajst-14147	37	21	efficiency	efficiency	NOUN
ajst-14147	37	22	losses	loss	NOUN
ajst-14147	37	23	associated	associate	VERB
ajst-14147	37	24	with	with	ADP
ajst-14147	37	25	gaseous	gaseous	ADJ
ajst-14147	37	26	fuels	fuel	NOUN
ajst-14147	37	27	.	.	PUNCT
ajst-14147	38	1	prevention	prevention	NOUN
ajst-14147	38	2	of	of	ADP
ajst-14147	38	3	fuel	fuel	NOUN
ajst-14147	38	4	losses	loss	NOUN
ajst-14147	38	5	during	during	ADP
ajst-14147	38	6	the	the	DET
ajst-14147	38	7	scavenging	scavenge	VERB
ajst-14147	38	8	phase	phase	NOUN
ajst-14147	38	9	.	.	PUNCT
ajst-14147	39	1	effective	effective	ADJ
ajst-14147	39	2	suppression	suppression	NOUN
ajst-14147	39	3	of	of	ADP
ajst-14147	39	4	knock	knock	NOUN
ajst-14147	39	5	,	,	PUNCT
ajst-14147	39	6	allowing	allow	VERB
ajst-14147	39	7	for	for	ADP
ajst-14147	39	8	higher	high	ADJ
ajst-14147	39	9	compression	compression	NOUN
ajst-14147	39	10	ratios	ratio	NOUN
ajst-14147	39	11	.	.	PUNCT
ajst-14147	40	1	synergistic	synergistic	ADJ
ajst-14147	40	2	optimization	optimization	NOUN
ajst-14147	40	3	of	of	ADP
ajst-14147	40	4	parameters	parameter	NOUN
ajst-14147	40	5	such	such	ADJ
ajst-14147	40	6	as	as	ADP
ajst-14147	40	7	fuel	fuel	NOUN
ajst-14147	40	8	injection	injection	NOUN
ajst-14147	40	9	timing	timing	NOUN
ajst-14147	40	10	,	,	PUNCT
ajst-14147	40	11	air	air	NOUN
ajst-14147	40	12	-	-	PUNCT
ajst-14147	40	13	fuel	fuel	NOUN
ajst-14147	40	14	ratio	ratio	NOUN
ajst-14147	40	15	,	,	PUNCT
ajst-14147	40	16	and	and	CCONJ
ajst-14147	40	17	ignition	ignition	NOUN
ajst-14147	40	18	advance	advance	NOUN
ajst-14147	40	19	,	,	PUNCT
ajst-14147	40	20	enhancing	enhance	VERB
ajst-14147	40	21	control	control	NOUN
ajst-14147	40	22	over	over	ADP
ajst-14147	40	23	the	the	DET
ajst-14147	40	24	combustion	combustion	NOUN
ajst-14147	40	25	process	process	NOUN
ajst-14147	40	26	[	[	X
ajst-14147	40	27	1	1	NUM
ajst-14147	40	28	]	]	PUNCT
ajst-14147	40	29	.	.	PUNCT
ajst-14147	41	1	for	for	ADP
ajst-14147	41	2	cylinder	cylinder	NOUN
ajst-14147	41	3	-	-	PUNCT
ajst-14147	41	4	internal	internal	ADJ
ajst-14147	41	5	gas	gas	NOUN
ajst-14147	41	6	supply	supply	NOUN
ajst-14147	41	7	natural	natural	ADJ
ajst-14147	41	8	gas	gas	NOUN
ajst-14147	41	9	engines	engine	NOUN
ajst-14147	41	10	,	,	PUNCT
ajst-14147	41	11	they	they	PRON
ajst-14147	41	12	can	can	AUX
ajst-14147	41	13	be	be	AUX
ajst-14147	41	14	categorized	categorize	VERB
ajst-14147	41	15	into	into	ADP
ajst-14147	41	16	two	two	NUM
ajst-14147	41	17	types	type	NOUN
ajst-14147	41	18	based	base	VERB
ajst-14147	41	19	on	on	ADP
ajst-14147	41	20	injection	injection	NOUN
ajst-14147	41	21	pressure	pressure	NOUN
ajst-14147	41	22	138	138	NUM
ajst-14147	41	23	and	and	CCONJ
ajst-14147	41	24	injection	injection	NOUN
ajst-14147	41	25	timing	timing	NOUN
ajst-14147	41	26	:	:	PUNCT
ajst-14147	41	27	high	high	ADJ
ajst-14147	41	28	-	-	PUNCT
ajst-14147	41	29	pressure	pressure	NOUN
ajst-14147	41	30	direct	direct	ADJ
ajst-14147	41	31	injection	injection	NOUN
ajst-14147	41	32	natural	natural	ADJ
ajst-14147	41	33	gas	gas	NOUN
ajst-14147	41	34	engines	engine	NOUN
ajst-14147	41	35	and	and	CCONJ
ajst-14147	41	36	low	low	ADJ
ajst-14147	41	37	-	-	PUNCT
ajst-14147	41	38	pressure	pressure	NOUN
ajst-14147	41	39	direct	direct	ADJ
ajst-14147	41	40	injection	injection	NOUN
ajst-14147	41	41	natural	natural	ADJ
ajst-14147	41	42	gas	gas	NOUN
ajst-14147	41	43	engines	engine	NOUN
ajst-14147	41	44	[	[	X
ajst-14147	41	45	2	2	NUM
ajst-14147	41	46	]	]	PUNCT
ajst-14147	41	47	.	.	PUNCT
ajst-14147	42	1	2.2.1	2.2.1	NUM
ajst-14147	42	2	.	.	PUNCT
ajst-14147	42	3	high	high	ADJ
ajst-14147	42	4	-	-	PUNCT
ajst-14147	42	5	pressure	pressure	NOUN
ajst-14147	42	6	direct	direct	ADJ
ajst-14147	42	7	injection	injection	NOUN
ajst-14147	42	8	natural	natural	ADJ
ajst-14147	42	9	gas	gas	NOUN
ajst-14147	42	10	engine	engine	NOUN
ajst-14147	42	11	high	high	ADJ
ajst-14147	42	12	-	-	PUNCT
ajst-14147	42	13	pressure	pressure	NOUN
ajst-14147	42	14	direct	direct	ADJ
ajst-14147	42	15	injection	injection	NOUN
ajst-14147	42	16	natural	natural	ADJ
ajst-14147	42	17	gas	gas	NOUN
ajst-14147	42	18	engines	engine	NOUN
ajst-14147	42	19	are	be	AUX
ajst-14147	42	20	not	not	PART
ajst-14147	42	21	limited	limit	VERB
ajst-14147	42	22	by	by	ADP
ajst-14147	42	23	knocking	knock	VERB
ajst-14147	42	24	,	,	PUNCT
ajst-14147	42	25	and	and	CCONJ
ajst-14147	42	26	they	they	PRON
ajst-14147	42	27	offer	offer	VERB
ajst-14147	42	28	improved	improve	VERB
ajst-14147	42	29	fuel	fuel	NOUN
ajst-14147	42	30	economy	economy	NOUN
ajst-14147	42	31	and	and	CCONJ
ajst-14147	42	32	emissions	emission	NOUN
ajst-14147	42	33	compared	compare	VERB
ajst-14147	42	34	to	to	ADP
ajst-14147	42	35	diesel	diesel	NOUN
ajst-14147	42	36	engines	engine	NOUN
ajst-14147	42	37	with	with	ADP
ajst-14147	42	38	equivalent	equivalent	ADJ
ajst-14147	42	39	power	power	NOUN
ajst-14147	42	40	.	.	PUNCT
ajst-14147	43	1	to	to	PART
ajst-14147	43	2	further	far	ADV
ajst-14147	43	3	enhance	enhance	VERB
ajst-14147	43	4	the	the	DET
ajst-14147	43	5	thermal	thermal	ADJ
ajst-14147	43	6	efficiency	efficiency	NOUN
ajst-14147	43	7	and	and	CCONJ
ajst-14147	43	8	reduce	reduce	VERB
ajst-14147	43	9	emissions	emission	NOUN
ajst-14147	43	10	of	of	ADP
ajst-14147	43	11	high	high	ADJ
ajst-14147	43	12	-	-	PUNCT
ajst-14147	43	13	pressure	pressure	NOUN
ajst-14147	43	14	direct	direct	ADJ
ajst-14147	43	15	injection	injection	NOUN
ajst-14147	43	16	natural	natural	ADJ
ajst-14147	43	17	gas	gas	NOUN
ajst-14147	43	18	engines	engine	NOUN
ajst-14147	43	19	,	,	PUNCT
ajst-14147	43	20	researchers	researcher	NOUN
ajst-14147	43	21	worldwide	worldwide	ADV
ajst-14147	43	22	have	have	AUX
ajst-14147	43	23	studied	study	VERB
ajst-14147	43	24	their	their	PRON
ajst-14147	43	25	combustion	combustion	NOUN
ajst-14147	43	26	characteristics	characteristic	NOUN
ajst-14147	43	27	,	,	PUNCT
ajst-14147	43	28	emission	emission	NOUN
ajst-14147	43	29	characteristics	characteristic	NOUN
ajst-14147	43	30	,	,	PUNCT
ajst-14147	43	31	and	and	CCONJ
ajst-14147	43	32	combustion	combustion	NOUN
ajst-14147	43	33	models	model	NOUN
ajst-14147	43	34	using	use	VERB
ajst-14147	43	35	various	various	ADJ
ajst-14147	43	36	methods	method	NOUN
ajst-14147	43	37	to	to	PART
ajst-14147	43	38	boost	boost	VERB
ajst-14147	43	39	engine	engine	NOUN
ajst-14147	43	40	performance	performance	NOUN
ajst-14147	43	41	.	.	PUNCT
ajst-14147	44	1	mctaggart	mctaggart	PROPN
ajst-14147	44	2	-	-	PUNCT
ajst-14147	44	3	cowan	cowan	PROPN
ajst-14147	44	4	conducted	conduct	VERB
ajst-14147	44	5	experimental	experimental	ADJ
ajst-14147	44	6	analysis	analysis	NOUN
ajst-14147	44	7	on	on	ADP
ajst-14147	44	8	the	the	DET
ajst-14147	44	9	impact	impact	NOUN
ajst-14147	44	10	of	of	ADP
ajst-14147	44	11	fuel	fuel	NOUN
ajst-14147	44	12	injection	injection	NOUN
ajst-14147	44	13	pressure	pressure	NOUN
ajst-14147	44	14	and	and	CCONJ
ajst-14147	44	15	injection	injection	NOUN
ajst-14147	44	16	rate	rate	NOUN
ajst-14147	44	17	on	on	ADP
ajst-14147	44	18	the	the	DET
ajst-14147	44	19	combustion	combustion	NOUN
ajst-14147	44	20	and	and	CCONJ
ajst-14147	44	21	emission	emission	NOUN
ajst-14147	44	22	characteristics	characteristic	NOUN
ajst-14147	44	23	of	of	ADP
ajst-14147	44	24	hpdi	hpdi	NOUN
ajst-14147	44	25	engines	engine	NOUN
ajst-14147	44	26	.	.	PUNCT
ajst-14147	45	1	the	the	DET
ajst-14147	45	2	results	result	NOUN
ajst-14147	45	3	showed	show	VERB
ajst-14147	45	4	that	that	SCONJ
ajst-14147	45	5	higher	high	ADJ
ajst-14147	45	6	injection	injection	NOUN
ajst-14147	45	7	pressure	pressure	NOUN
ajst-14147	45	8	and	and	CCONJ
ajst-14147	45	9	controlled	control	VERB
ajst-14147	45	10	fuel	fuel	NOUN
ajst-14147	45	11	injection	injection	NOUN
ajst-14147	45	12	rates	rate	NOUN
ajst-14147	45	13	can	can	AUX
ajst-14147	45	14	promote	promote	VERB
ajst-14147	45	15	combustion	combustion	NOUN
ajst-14147	45	16	,	,	PUNCT
ajst-14147	45	17	enhance	enhance	VERB
ajst-14147	45	18	thermal	thermal	ADJ
ajst-14147	45	19	efficiency	efficiency	NOUN
ajst-14147	45	20	,	,	PUNCT
ajst-14147	45	21	and	and	CCONJ
ajst-14147	45	22	reduce	reduce	VERB
ajst-14147	45	23	particulate	particulate	NOUN
ajst-14147	45	24	emissions[3	emissions[3	PROPN
ajst-14147	45	25	]	]	X
ajst-14147	45	26	.	.	PUNCT
ajst-14147	46	1	patychuk	patychuk	PROPN
ajst-14147	46	2	examined	examine	VERB
ajst-14147	46	3	the	the	DET
ajst-14147	46	4	influence	influence	NOUN
ajst-14147	46	5	of	of	ADP
ajst-14147	46	6	valve	valve	NOUN
ajst-14147	46	7	timing	timing	NOUN
ajst-14147	46	8	on	on	ADP
ajst-14147	46	9	the	the	DET
ajst-14147	46	10	emission	emission	NOUN
ajst-14147	46	11	performance	performance	NOUN
ajst-14147	46	12	of	of	ADP
ajst-14147	46	13	hpdi	hpdi	ADJ
ajst-14147	46	14	engines	engine	NOUN
ajst-14147	46	15	under	under	ADP
ajst-14147	46	16	various	various	ADJ
ajst-14147	46	17	loads	load	NOUN
ajst-14147	46	18	.	.	PUNCT
ajst-14147	47	1	the	the	DET
ajst-14147	47	2	results	result	NOUN
ajst-14147	47	3	indicated	indicate	VERB
ajst-14147	47	4	a	a	DET
ajst-14147	47	5	70	70	NUM
ajst-14147	47	6	%	%	NOUN
ajst-14147	47	7	reduction	reduction	NOUN
ajst-14147	47	8	in	in	ADP
ajst-14147	47	9	methane	methane	NOUN
ajst-14147	47	10	emissions	emission	NOUN
ajst-14147	47	11	at	at	ADP
ajst-14147	47	12	loads	load	NOUN
ajst-14147	47	13	below	below	ADP
ajst-14147	47	14	50	50	NUM
ajst-14147	47	15	%	%	NOUN
ajst-14147	47	16	,	,	PUNCT
ajst-14147	47	17	a	a	DET
ajst-14147	47	18	19	19	NUM
ajst-14147	47	19	%	%	NOUN
ajst-14147	47	20	reduction	reduction	NOUN
ajst-14147	47	21	in	in	ADP
ajst-14147	47	22	nox	nox	NOUN
ajst-14147	47	23	emissions	emission	NOUN
ajst-14147	47	24	at	at	ADP
ajst-14147	47	25	75	75	NUM
ajst-14147	47	26	%	%	NOUN
ajst-14147	47	27	load	load	NOUN
ajst-14147	47	28	,	,	PUNCT
ajst-14147	47	29	and	and	CCONJ
ajst-14147	47	30	good	good	ADJ
ajst-14147	47	31	emissions	emission	NOUN
ajst-14147	47	32	at	at	ADP
ajst-14147	47	33	10	10	NUM
ajst-14147	47	34	%	%	NOUN
ajst-14147	47	35	load	load	NOUN
ajst-14147	47	36	,	,	PUNCT
ajst-14147	47	37	albeit	albeit	SCONJ
ajst-14147	47	38	with	with	ADP
ajst-14147	47	39	increased	increase	VERB
ajst-14147	47	40	exhaust	exhaust	ADV
ajst-14147	47	41	temperatures[4	temperatures[4	ADP
ajst-14147	47	42	]	]	X
ajst-14147	47	43	.	.	PUNCT
ajst-14147	48	1	chen	chen	PROPN
ajst-14147	48	2	changjun	changjun	PROPN
ajst-14147	48	3	used	use	VERB
ajst-14147	48	4	star	star	NOUN
ajst-14147	48	5	-	-	PUNCT
ajst-14147	48	6	cd	cd	PROPN
ajst-14147	48	7	software	software	NOUN
ajst-14147	48	8	to	to	PART
ajst-14147	48	9	simulate	simulate	VERB
ajst-14147	48	10	the	the	DET
ajst-14147	48	11	injection	injection	NOUN
ajst-14147	48	12	and	and	CCONJ
ajst-14147	48	13	combustion	combustion	NOUN
ajst-14147	48	14	processes	process	NOUN
ajst-14147	48	15	in	in	ADP
ajst-14147	48	16	hpdi	hpdi	NOUN
ajst-14147	48	17	engine	engine	NOUN
ajst-14147	48	18	cylinders	cylinder	NOUN
ajst-14147	48	19	and	and	CCONJ
ajst-14147	48	20	analyzed	analyze	VERB
ajst-14147	48	21	the	the	DET
ajst-14147	48	22	impact	impact	NOUN
ajst-14147	48	23	of	of	ADP
ajst-14147	48	24	injection	injection	NOUN
ajst-14147	48	25	timing	timing	NOUN
ajst-14147	48	26	and	and	CCONJ
ajst-14147	48	27	injection	injection	NOUN
ajst-14147	48	28	pressure	pressure	NOUN
ajst-14147	48	29	on	on	ADP
ajst-14147	48	30	emissions	emission	NOUN
ajst-14147	48	31	.	.	PUNCT
ajst-14147	49	1	the	the	DET
ajst-14147	49	2	results	result	NOUN
ajst-14147	49	3	revealed	reveal	VERB
ajst-14147	49	4	that	that	SCONJ
ajst-14147	49	5	delaying	delay	VERB
ajst-14147	49	6	injection	injection	NOUN
ajst-14147	49	7	timing	timing	NOUN
ajst-14147	49	8	improved	improve	VERB
ajst-14147	49	9	nox	nox	NOUN
ajst-14147	49	10	emissions	emission	NOUN
ajst-14147	49	11	but	but	CCONJ
ajst-14147	49	12	increased	increase	VERB
ajst-14147	49	13	co	co	NOUN
ajst-14147	49	14	,	,	PUNCT
ajst-14147	49	15	hc	hc	PROPN
ajst-14147	49	16	,	,	PUNCT
ajst-14147	49	17	and	and	CCONJ
ajst-14147	49	18	particulate	particulate	NOUN
ajst-14147	49	19	emissions	emission	NOUN
ajst-14147	49	20	.	.	PUNCT
ajst-14147	50	1	increasing	increase	VERB
ajst-14147	50	2	injection	injection	NOUN
ajst-14147	50	3	pressure	pressure	NOUN
ajst-14147	50	4	reduced	reduce	VERB
ajst-14147	50	5	hc	hc	NOUN
ajst-14147	50	6	emissions	emission	NOUN
ajst-14147	50	7	but	but	CCONJ
ajst-14147	50	8	increased	increase	VERB
ajst-14147	50	9	no	no	DET
ajst-14147	50	10	emissions[5	emissions[5	NOUN
ajst-14147	50	11	]	]	X
ajst-14147	50	12	.	.	PUNCT
ajst-14147	51	1	2.2.2	2.2.2	X
ajst-14147	51	2	.	.	PUNCT
ajst-14147	51	3	low	low	ADJ
ajst-14147	51	4	-	-	PUNCT
ajst-14147	51	5	pressure	pressure	NOUN
ajst-14147	51	6	direct	direct	ADJ
ajst-14147	51	7	injection	injection	NOUN
ajst-14147	51	8	natural	natural	ADJ
ajst-14147	51	9	gas	gas	NOUN
ajst-14147	51	10	engine	engine	NOUN
ajst-14147	51	11	in	in	ADP
ajst-14147	51	12	the	the	DET
ajst-14147	51	13	case	case	NOUN
ajst-14147	51	14	of	of	ADP
ajst-14147	51	15	low	low	ADJ
ajst-14147	51	16	-	-	PUNCT
ajst-14147	51	17	pressure	pressure	NOUN
ajst-14147	51	18	direct	direct	ADJ
ajst-14147	51	19	injection	injection	NOUN
ajst-14147	51	20	natural	natural	ADJ
ajst-14147	51	21	gas	gas	NOUN
ajst-14147	51	22	engines	engine	NOUN
ajst-14147	51	23	,	,	PUNCT
ajst-14147	51	24	the	the	DET
ajst-14147	51	25	injection	injection	NOUN
ajst-14147	51	26	pressure	pressure	NOUN
ajst-14147	51	27	of	of	ADP
ajst-14147	51	28	natural	natural	ADJ
ajst-14147	51	29	gas	gas	NOUN
ajst-14147	51	30	is	be	AUX
ajst-14147	51	31	lower	low	ADJ
ajst-14147	51	32	when	when	SCONJ
ajst-14147	51	33	the	the	DET
ajst-14147	51	34	engine	engine	NOUN
ajst-14147	51	35	is	be	AUX
ajst-14147	51	36	in	in	ADP
ajst-14147	51	37	the	the	DET
ajst-14147	51	38	scavenging	scavenge	VERB
ajst-14147	51	39	stroke	stroke	NOUN
ajst-14147	51	40	due	due	ADP
ajst-14147	51	41	to	to	ADP
ajst-14147	51	42	the	the	DET
ajst-14147	51	43	lower	low	ADJ
ajst-14147	51	44	cylinder	cylinder	NOUN
ajst-14147	51	45	pressure	pressure	NOUN
ajst-14147	51	46	.	.	PUNCT
ajst-14147	52	1	researchers	researcher	NOUN
ajst-14147	52	2	both	both	CCONJ
ajst-14147	52	3	domestically	domestically	ADV
ajst-14147	52	4	and	and	CCONJ
ajst-14147	52	5	internationally	internationally	ADV
ajst-14147	52	6	have	have	AUX
ajst-14147	52	7	primarily	primarily	ADV
ajst-14147	52	8	focused	focus	VERB
ajst-14147	52	9	on	on	ADP
ajst-14147	52	10	the	the	DET
ajst-14147	52	11	reaction	reaction	NOUN
ajst-14147	52	12	mechanisms	mechanism	NOUN
ajst-14147	52	13	under	under	ADP
ajst-14147	52	14	dual	dual	ADJ
ajst-14147	52	15	-	-	PUNCT
ajst-14147	52	16	fuel	fuel	NOUN
ajst-14147	52	17	modes	mode	NOUN
ajst-14147	52	18	,	,	PUNCT
ajst-14147	52	19	flame	flame	NOUN
ajst-14147	52	20	jet	jet	NOUN
ajst-14147	52	21	behavior	behavior	NOUN
ajst-14147	52	22	inside	inside	ADP
ajst-14147	52	23	the	the	DET
ajst-14147	52	24	engine	engine	NOUN
ajst-14147	52	25	,	,	PUNCT
ajst-14147	52	26	and	and	CCONJ
ajst-14147	52	27	the	the	DET
ajst-14147	52	28	knocking	knock	VERB
ajst-14147	52	29	conditions	condition	NOUN
ajst-14147	52	30	of	of	ADP
ajst-14147	52	31	low	low	ADJ
ajst-14147	52	32	-	-	PUNCT
ajst-14147	52	33	pressure	pressure	NOUN
ajst-14147	52	34	direct	direct	ADJ
ajst-14147	52	35	injection	injection	NOUN
ajst-14147	52	36	natural	natural	ADJ
ajst-14147	52	37	gas	gas	NOUN
ajst-14147	52	38	engines	engine	NOUN
ajst-14147	52	39	.	.	PUNCT
ajst-14147	53	1	lounici	lounici	NOUN
ajst-14147	53	2	conducted	conduct	VERB
ajst-14147	53	3	extensive	extensive	ADJ
ajst-14147	53	4	research	research	NOUN
ajst-14147	53	5	on	on	ADP
ajst-14147	53	6	the	the	DET
ajst-14147	53	7	knocking	knock	VERB
ajst-14147	53	8	characteristics	characteristic	NOUN
ajst-14147	53	9	of	of	ADP
ajst-14147	53	10	dual	dual	ADJ
ajst-14147	53	11	-	-	PUNCT
ajst-14147	53	12	fuel	fuel	NOUN
ajst-14147	53	13	engines	engine	NOUN
ajst-14147	53	14	,	,	PUNCT
ajst-14147	53	15	analyzing	analyze	VERB
ajst-14147	53	16	the	the	DET
ajst-14147	53	17	periodic	periodic	ADJ
ajst-14147	53	18	variations	variation	NOUN
ajst-14147	53	19	of	of	ADP
ajst-14147	53	20	this	this	DET
ajst-14147	53	21	phenomenon	phenomenon	NOUN
ajst-14147	53	22	.	.	PUNCT
ajst-14147	54	1	they	they	PRON
ajst-14147	54	2	proposed	propose	VERB
ajst-14147	54	3	a	a	DET
ajst-14147	54	4	knocking	knock	VERB
ajst-14147	54	5	indicator	indicator	NOUN
ajst-14147	54	6	related	relate	VERB
ajst-14147	54	7	to	to	ADP
ajst-14147	54	8	in	in	ADP
ajst-14147	54	9	-	-	PUNCT
ajst-14147	54	10	cylinder	cylinder	NOUN
ajst-14147	54	11	pressure	pressure	NOUN
ajst-14147	54	12	for	for	ADP
ajst-14147	54	13	evaluating	evaluate	VERB
ajst-14147	54	14	knock	knock	ADJ
ajst-14147	54	15	occurrences	occurrence	NOUN
ajst-14147	54	16	.	.	PUNCT
ajst-14147	55	1	additionally	additionally	ADV
ajst-14147	55	2	,	,	PUNCT
ajst-14147	55	3	they	they	PRON
ajst-14147	55	4	delved	delve	VERB
ajst-14147	55	5	into	into	ADP
ajst-14147	55	6	the	the	DET
ajst-14147	55	7	impact	impact	NOUN
ajst-14147	55	8	of	of	ADP
ajst-14147	55	9	knock	knock	NOUN
ajst-14147	55	10	on	on	ADP
ajst-14147	55	11	heat	heat	NOUN
ajst-14147	55	12	release	release	NOUN
ajst-14147	55	13	,	,	PUNCT
ajst-14147	55	14	cylinder	cylinder	NOUN
ajst-14147	55	15	wall	wall	NOUN
ajst-14147	55	16	temperature	temperature	NOUN
ajst-14147	55	17	,	,	PUNCT
ajst-14147	55	18	engine	engine	NOUN
ajst-14147	55	19	performance	performance	NOUN
ajst-14147	55	20	,	,	PUNCT
ajst-14147	55	21	and	and	CCONJ
ajst-14147	55	22	emissions	emission	NOUN
ajst-14147	55	23	.	.	PUNCT
ajst-14147	56	1	experiments	experiment	NOUN
ajst-14147	56	2	demonstrated	demonstrate	VERB
ajst-14147	56	3	that	that	SCONJ
ajst-14147	56	4	increasing	increase	VERB
ajst-14147	56	5	the	the	DET
ajst-14147	56	6	injection	injection	NOUN
ajst-14147	56	7	quantity	quantity	NOUN
ajst-14147	56	8	of	of	ADP
ajst-14147	56	9	pilot	pilot	NOUN
ajst-14147	56	10	diesel	diesel	NOUN
ajst-14147	56	11	fuel	fuel	NOUN
ajst-14147	56	12	helps	help	VERB
ajst-14147	56	13	mitigate	mitigate	VERB
ajst-14147	56	14	engine	engine	NOUN
ajst-14147	56	15	knocking[6	knocking[6	NOUN
ajst-14147	56	16	]	]	PUNCT
ajst-14147	56	17	.	.	PUNCT
ajst-14147	57	1	ye	ye	PROPN
ajst-14147	57	2	ying	ying	PROPN
ajst-14147	57	3	initially	initially	ADV
ajst-14147	57	4	established	establish	VERB
ajst-14147	57	5	a	a	DET
ajst-14147	57	6	three	three	NUM
ajst-14147	57	7	-	-	PUNCT
ajst-14147	57	8	dimensional	dimensional	ADJ
ajst-14147	57	9	cfd	cfd	NOUN
ajst-14147	57	10	model	model	NOUN
ajst-14147	57	11	for	for	ADP
ajst-14147	57	12	a	a	DET
ajst-14147	57	13	low	low	ADJ
ajst-14147	57	14	-	-	PUNCT
ajst-14147	57	15	pressure	pressure	NOUN
ajst-14147	57	16	direct	direct	ADJ
ajst-14147	57	17	injection	injection	NOUN
ajst-14147	57	18	natural	natural	ADJ
ajst-14147	57	19	gas	gas	NOUN
ajst-14147	57	20	engine	engine	NOUN
ajst-14147	57	21	and	and	CCONJ
ajst-14147	57	22	analyzed	analyze	VERB
ajst-14147	57	23	various	various	ADJ
ajst-14147	57	24	sub	sub	NOUN
ajst-14147	57	25	-	-	NOUN
ajst-14147	57	26	models	model	NOUN
ajst-14147	57	27	used	use	VERB
ajst-14147	57	28	in	in	ADP
ajst-14147	57	29	the	the	DET
ajst-14147	57	30	model	model	NOUN
ajst-14147	57	31	.	.	PUNCT
ajst-14147	58	1	they	they	PRON
ajst-14147	58	2	calibrated	calibrate	VERB
ajst-14147	58	3	and	and	CCONJ
ajst-14147	58	4	validated	validate	VERB
ajst-14147	58	5	the	the	DET
ajst-14147	58	6	model	model	NOUN
ajst-14147	58	7	based	base	VERB
ajst-14147	58	8	on	on	ADP
ajst-14147	58	9	research	research	NOUN
ajst-14147	58	10	into	into	ADP
ajst-14147	58	11	various	various	ADJ
ajst-14147	58	12	pre	pre	ADJ
ajst-14147	58	13	-	-	ADJ
ajst-14147	58	14	chamber	chamber	NOUN
ajst-14147	58	15	systems	system	NOUN
ajst-14147	58	16	.	.	PUNCT
ajst-14147	59	1	by	by	ADP
ajst-14147	59	2	summarizing	summarize	VERB
ajst-14147	59	3	the	the	DET
ajst-14147	59	4	rules	rule	NOUN
ajst-14147	59	5	of	of	ADP
ajst-14147	59	6	parameter	parameter	NOUN
ajst-14147	59	7	design	design	NOUN
ajst-14147	59	8	and	and	CCONJ
ajst-14147	59	9	designing	design	VERB
ajst-14147	59	10	multiple	multiple	ADJ
ajst-14147	59	11	pre	pre	ADJ
ajst-14147	59	12	-	-	ADJ
ajst-14147	59	13	chamber	chamber	ADJ
ajst-14147	59	14	system	system	NOUN
ajst-14147	59	15	solutions	solution	NOUN
ajst-14147	59	16	with	with	ADP
ajst-14147	59	17	different	different	ADJ
ajst-14147	59	18	orifice	orifice	NOUN
ajst-14147	59	19	structures	structure	NOUN
ajst-14147	59	20	,	,	PUNCT
ajst-14147	59	21	they	they	PRON
ajst-14147	59	22	identified	identify	VERB
ajst-14147	59	23	an	an	DET
ajst-14147	59	24	optimal	optimal	ADJ
ajst-14147	59	25	pre	pre	ADJ
ajst-14147	59	26	-	-	ADJ
ajst-14147	59	27	chamber	chamber	NOUN
ajst-14147	59	28	system	system	NOUN
ajst-14147	59	29	.	.	PUNCT
ajst-14147	60	1	experimental	experimental	ADJ
ajst-14147	60	2	results	result	NOUN
ajst-14147	60	3	indicated	indicate	VERB
ajst-14147	60	4	that	that	SCONJ
ajst-14147	60	5	flame	flame	NOUN
ajst-14147	60	6	jet	jet	NOUN
ajst-14147	60	7	impingement	impingement	NOUN
ajst-14147	60	8	on	on	ADP
ajst-14147	60	9	the	the	DET
ajst-14147	60	10	wall	wall	NOUN
ajst-14147	60	11	or	or	CCONJ
ajst-14147	60	12	piston	piston	NOUN
ajst-14147	60	13	crown	crown	NOUN
ajst-14147	60	14	leads	lead	VERB
ajst-14147	60	15	to	to	ADP
ajst-14147	60	16	reduced	reduce	VERB
ajst-14147	60	17	engine	engine	NOUN
ajst-14147	60	18	performance	performance	NOUN
ajst-14147	60	19	and	and	CCONJ
ajst-14147	60	20	increased	increase	VERB
ajst-14147	60	21	emissions	emission	NOUN
ajst-14147	60	22	.	.	PUNCT
ajst-14147	61	1	the	the	DET
ajst-14147	61	2	study	study	NOUN
ajst-14147	61	3	also	also	ADV
ajst-14147	61	4	analyzed	analyze	VERB
ajst-14147	61	5	the	the	DET
ajst-14147	61	6	effects	effect	NOUN
ajst-14147	61	7	of	of	ADP
ajst-14147	61	8	different	different	ADJ
ajst-14147	61	9	injection	injection	NOUN
ajst-14147	61	10	strategies	strategy	NOUN
ajst-14147	61	11	and	and	CCONJ
ajst-14147	61	12	egr	egr	NOUN
ajst-14147	61	13	on	on	ADP
ajst-14147	61	14	engine	engine	NOUN
ajst-14147	61	15	combustion	combustion	NOUN
ajst-14147	61	16	and	and	CCONJ
ajst-14147	61	17	emissions	emission	NOUN
ajst-14147	61	18	.	.	PUNCT
ajst-14147	62	1	the	the	DET
ajst-14147	62	2	research	research	NOUN
ajst-14147	62	3	revealed	reveal	VERB
ajst-14147	62	4	that	that	SCONJ
ajst-14147	62	5	improving	improve	VERB
ajst-14147	62	6	pre	pre	ADJ
ajst-14147	62	7	-	-	ADJ
ajst-14147	62	8	chamber	chamber	ADJ
ajst-14147	62	9	pre	pre	NOUN
ajst-14147	62	10	-	-	NOUN
ajst-14147	62	11	injection	injection	NOUN
ajst-14147	62	12	can	can	AUX
ajst-14147	62	13	mitigate	mitigate	VERB
ajst-14147	62	14	diesel	diesel	NOUN
ajst-14147	62	15	stratification	stratification	NOUN
ajst-14147	62	16	and	and	CCONJ
ajst-14147	62	17	reduce	reduce	VERB
ajst-14147	62	18	nox	nox	NOUN
ajst-14147	62	19	emissions	emission	NOUN
ajst-14147	62	20	but	but	CCONJ
ajst-14147	62	21	may	may	AUX
ajst-14147	62	22	decrease	decrease	VERB
ajst-14147	62	23	the	the	DET
ajst-14147	62	24	main	main	ADJ
ajst-14147	62	25	chamber	chamber	NOUN
ajst-14147	62	26	's	's	PART
ajst-14147	62	27	combustion	combustion	NOUN
ajst-14147	62	28	rate	rate	NOUN
ajst-14147	62	29	.	.	PUNCT
ajst-14147	63	1	furthermore	furthermore	ADV
ajst-14147	63	2	,	,	PUNCT
ajst-14147	63	3	under	under	ADP
ajst-14147	63	4	conditions	condition	NOUN
ajst-14147	63	5	of	of	ADP
ajst-14147	63	6	lean	lean	ADJ
ajst-14147	63	7	natural	natural	ADJ
ajst-14147	63	8	gas	gas	NOUN
ajst-14147	63	9	combustion	combustion	NOUN
ajst-14147	63	10	,	,	PUNCT
ajst-14147	63	11	egr	egr	PROPN
ajst-14147	63	12	can	can	AUX
ajst-14147	63	13	improve	improve	VERB
ajst-14147	63	14	engine	engine	NOUN
ajst-14147	63	15	emissions[7	emissions[7	ADP
ajst-14147	63	16	]	]	X
ajst-14147	63	17	.	.	PUNCT
ajst-14147	64	1	2.3	2.3	NUM
ajst-14147	64	2	.	.	PUNCT
ajst-14147	65	1	variable	variable	ADJ
ajst-14147	65	2	valve	valve	NOUN
ajst-14147	65	3	timing	time	VERB
ajst-14147	65	4	2.3.1	2.3.1	NUM
ajst-14147	65	5	.	.	PUNCT
ajst-14147	66	1	principle	principle	ADJ
ajst-14147	66	2	variable	variable	ADJ
ajst-14147	66	3	valve	valve	NOUN
ajst-14147	66	4	timing	timing	NOUN
ajst-14147	66	5	(	(	PUNCT
ajst-14147	66	6	vvt	vvt	NOUN
ajst-14147	66	7	)	)	PUNCT
ajst-14147	66	8	technology	technology	NOUN
ajst-14147	66	9	is	be	AUX
ajst-14147	66	10	the	the	DET
ajst-14147	66	11	prevailing	prevail	VERB
ajst-14147	66	12	method	method	NOUN
ajst-14147	66	13	to	to	PART
ajst-14147	66	14	enhance	enhance	VERB
ajst-14147	66	15	the	the	DET
ajst-14147	66	16	flexibility	flexibility	NOUN
ajst-14147	66	17	of	of	ADP
ajst-14147	66	18	valve	valve	NOUN
ajst-14147	66	19	timing	timing	NOUN
ajst-14147	66	20	mechanisms	mechanism	NOUN
ajst-14147	66	21	in	in	ADP
ajst-14147	66	22	modern	modern	ADJ
ajst-14147	66	23	engines	engine	NOUN
ajst-14147	66	24	.	.	PUNCT
ajst-14147	67	1	it	it	PRON
ajst-14147	67	2	utilizes	utilize	VERB
ajst-14147	67	3	engine	engine	NOUN
ajst-14147	67	4	hydraulic	hydraulic	NOUN
ajst-14147	67	5	fluid	fluid	NOUN
ajst-14147	67	6	or	or	CCONJ
ajst-14147	67	7	electrical	electrical	ADJ
ajst-14147	67	8	power	power	NOUN
ajst-14147	67	9	as	as	ADP
ajst-14147	67	10	a	a	DET
ajst-14147	67	11	power	power	NOUN
ajst-14147	67	12	source	source	NOUN
ajst-14147	67	13	to	to	PART
ajst-14147	67	14	dynamically	dynamically	ADV
ajst-14147	67	15	adjust	adjust	VERB
ajst-14147	67	16	the	the	DET
ajst-14147	67	17	phase	phase	NOUN
ajst-14147	67	18	of	of	ADP
ajst-14147	67	19	the	the	DET
ajst-14147	67	20	intake	intake	NOUN
ajst-14147	67	21	and	and	CCONJ
ajst-14147	67	22	exhaust	exhaust	ADJ
ajst-14147	67	23	camshafts	camshaft	NOUN
ajst-14147	67	24	in	in	ADP
ajst-14147	67	25	real	real	ADJ
ajst-14147	67	26	-	-	PUNCT
ajst-14147	67	27	time	time	NOUN
ajst-14147	67	28	,	,	PUNCT
ajst-14147	67	29	optimizing	optimize	VERB
ajst-14147	67	30	the	the	DET
ajst-14147	67	31	valve	valve	NOUN
ajst-14147	67	32	overlap	overlap	NOUN
ajst-14147	67	33	angle	angle	NOUN
ajst-14147	67	34	for	for	ADP
ajst-14147	67	35	various	various	ADJ
ajst-14147	67	36	driving	drive	VERB
ajst-14147	67	37	conditions	condition	NOUN
ajst-14147	67	38	.	.	PUNCT
ajst-14147	68	1	variable	variable	ADJ
ajst-14147	68	2	valve	valve	NOUN
ajst-14147	68	3	timing	timing	NOUN
ajst-14147	68	4	systems	system	NOUN
ajst-14147	68	5	are	be	AUX
ajst-14147	68	6	commonly	commonly	ADV
ajst-14147	68	7	referred	refer	VERB
ajst-14147	68	8	to	to	ADP
ajst-14147	68	9	as	as	ADP
ajst-14147	68	10	vvt	vvt	NOUN
ajst-14147	68	11	or	or	CCONJ
ajst-14147	68	12	variable	variable	NOUN
ajst-14147	68	13	camshaft	camshaft	NOUN
ajst-14147	68	14	timing	timing	NOUN
ajst-14147	68	15	(	(	PUNCT
ajst-14147	68	16	vct	vct	NOUN
ajst-14147	68	17	)	)	PUNCT
ajst-14147	68	18	.	.	PUNCT
ajst-14147	69	1	engines	engine	NOUN
ajst-14147	69	2	equipped	equip	VERB
ajst-14147	69	3	with	with	ADP
ajst-14147	69	4	vvt	vvt	NOUN
ajst-14147	69	5	technology	technology	NOUN
ajst-14147	69	6	can	can	AUX
ajst-14147	69	7	increase	increase	VERB
ajst-14147	69	8	the	the	DET
ajst-14147	69	9	intake	intake	ADJ
ajst-14147	69	10	charge	charge	NOUN
ajst-14147	69	11	,	,	PUNCT
ajst-14147	69	12	resulting	result	VERB
ajst-14147	69	13	in	in	ADP
ajst-14147	69	14	higher	high	ADJ
ajst-14147	69	15	volumetric	volumetric	NOUN
ajst-14147	69	16	efficiency	efficiency	NOUN
ajst-14147	69	17	,	,	PUNCT
ajst-14147	69	18	and	and	CCONJ
ajst-14147	69	19	further	far	ADV
ajst-14147	69	20	enhance	enhance	VERB
ajst-14147	69	21	engine	engine	NOUN
ajst-14147	69	22	torque	torque	NOUN
ajst-14147	69	23	and	and	CCONJ
ajst-14147	69	24	power	power	NOUN
ajst-14147	69	25	.	.	PUNCT
ajst-14147	70	1	the	the	DET
ajst-14147	70	2	mainstream	mainstream	NOUN
ajst-14147	70	3	vvt	vvt	NOUN
ajst-14147	70	4	system	system	NOUN
ajst-14147	70	5	currently	currently	ADV
ajst-14147	70	6	in	in	ADP
ajst-14147	70	7	use	use	NOUN
ajst-14147	70	8	is	be	AUX
ajst-14147	70	9	the	the	DET
ajst-14147	70	10	sidemounted	sidemounted	ADJ
ajst-14147	70	11	ocv	ocv	ADJ
ajst-14147	70	12	-	-	PUNCT
ajst-14147	70	13	type	type	NOUN
ajst-14147	70	14	(	(	PUNCT
ajst-14147	70	15	oil	oil	NOUN
ajst-14147	70	16	control	control	NOUN
ajst-14147	70	17	valve	valve	NOUN
ajst-14147	70	18	)	)	PUNCT
ajst-14147	70	19	vvt	vvt	NOUN
ajst-14147	70	20	system	system	NOUN
ajst-14147	70	21	.	.	PUNCT
ajst-14147	71	1	it	it	PRON
ajst-14147	71	2	primarily	primarily	ADV
ajst-14147	71	3	consists	consist	VERB
ajst-14147	71	4	of	of	ADP
ajst-14147	71	5	a	a	DET
ajst-14147	71	6	phaser	phaser	NOUN
ajst-14147	71	7	and	and	CCONJ
ajst-14147	71	8	an	an	DET
ajst-14147	71	9	ocv	ocv	ADJ
ajst-14147	71	10	oil	oil	NOUN
ajst-14147	71	11	control	control	NOUN
ajst-14147	71	12	valve	valve	NOUN
ajst-14147	71	13	.	.	PUNCT
ajst-14147	72	1	auxiliary	auxiliary	ADJ
ajst-14147	72	2	components	component	NOUN
ajst-14147	72	3	include	include	VERB
ajst-14147	72	4	camshaft	camshaft	NOUN
ajst-14147	72	5	position	position	NOUN
ajst-14147	72	6	sensors	sensor	NOUN
ajst-14147	72	7	,	,	PUNCT
ajst-14147	72	8	crankshaft	crankshaft	NOUN
ajst-14147	72	9	position	position	NOUN
ajst-14147	72	10	sensors	sensor	NOUN
ajst-14147	72	11	,	,	PUNCT
ajst-14147	72	12	an	an	DET
ajst-14147	72	13	engine	engine	NOUN
ajst-14147	72	14	control	control	NOUN
ajst-14147	72	15	unit	unit	NOUN
ajst-14147	72	16	(	(	PUNCT
ajst-14147	72	17	ecu	ecu	NOUN
ajst-14147	72	18	)	)	PUNCT
ajst-14147	72	19	,	,	PUNCT
ajst-14147	72	20	camshaft	camshaft	NOUN
ajst-14147	72	21	signal	signal	NOUN
ajst-14147	72	22	wheels	wheel	NOUN
ajst-14147	72	23	,	,	PUNCT
ajst-14147	72	24	crankshaft	crankshaft	NOUN
ajst-14147	72	25	signal	signal	NOUN
ajst-14147	72	26	discs	disc	NOUN
ajst-14147	72	27	,	,	PUNCT
ajst-14147	72	28	check	check	NOUN
ajst-14147	72	29	valves	valve	NOUN
ajst-14147	72	30	,	,	PUNCT
ajst-14147	72	31	and	and	CCONJ
ajst-14147	72	32	a	a	DET
ajst-14147	72	33	central	central	ADJ
ajst-14147	72	34	bolt	bolt	NOUN
ajst-14147	72	35	.	.	PUNCT
ajst-14147	73	1	its	its	PRON
ajst-14147	73	2	basic	basic	ADJ
ajst-14147	73	3	structure	structure	NOUN
ajst-14147	73	4	is	be	AUX
ajst-14147	73	5	as	as	SCONJ
ajst-14147	73	6	follows	follow	VERB
ajst-14147	73	7	:	:	PUNCT
ajst-14147	73	8	traditional	traditional	ADJ
ajst-14147	73	9	engine	engine	NOUN
ajst-14147	73	10	valve	valve	NOUN
ajst-14147	73	11	timing	timing	NOUN
ajst-14147	73	12	systems	system	NOUN
ajst-14147	73	13	feature	feature	VERB
ajst-14147	73	14	fixed	fix	VERB
ajst-14147	73	15	mechanical	mechanical	ADJ
ajst-14147	73	16	systems	system	NOUN
ajst-14147	73	17	where	where	SCONJ
ajst-14147	73	18	the	the	DET
ajst-14147	73	19	timing	timing	NOUN
ajst-14147	73	20	of	of	ADP
ajst-14147	73	21	valve	valve	NOUN
ajst-14147	73	22	opening	opening	NOUN
ajst-14147	73	23	and	and	CCONJ
ajst-14147	73	24	closing	closing	NOUN
ajst-14147	73	25	remains	remain	VERB
ajst-14147	73	26	constant	constant	ADJ
ajst-14147	73	27	.	.	PUNCT
ajst-14147	74	1	such	such	ADJ
ajst-14147	74	2	systems	system	NOUN
ajst-14147	74	3	struggle	struggle	VERB
ajst-14147	74	4	to	to	PART
ajst-14147	74	5	meet	meet	VERB
ajst-14147	74	6	the	the	DET
ajst-14147	74	7	varying	vary	VERB
ajst-14147	74	8	valve	valve	NOUN
ajst-14147	74	9	timing	timing	NOUN
ajst-14147	74	10	requirements	requirement	NOUN
ajst-14147	74	11	of	of	ADP
ajst-14147	74	12	engines	engine	NOUN
ajst-14147	74	13	under	under	ADP
ajst-14147	74	14	different	different	ADJ
ajst-14147	74	15	operating	operating	NOUN
ajst-14147	74	16	conditions	condition	NOUN
ajst-14147	74	17	and	and	CCONJ
ajst-14147	74	18	can	can	AUX
ajst-14147	74	19	not	not	PART
ajst-14147	74	20	satisfy	satisfy	VERB
ajst-14147	74	21	the	the	DET
ajst-14147	74	22	demand	demand	NOUN
ajst-14147	74	23	for	for	ADP
ajst-14147	74	24	consistent	consistent	ADJ
ajst-14147	74	25	power	power	NOUN
ajst-14147	74	26	output	output	NOUN
ajst-14147	74	27	across	across	ADP
ajst-14147	74	28	different	different	ADJ
ajst-14147	74	29	engine	engine	NOUN
ajst-14147	74	30	speeds	speed	NOUN
ajst-14147	74	31	.	.	PUNCT
ajst-14147	75	1	in	in	ADP
ajst-14147	75	2	contrast	contrast	NOUN
ajst-14147	75	3	,	,	PUNCT
ajst-14147	75	4	variable	variable	ADJ
ajst-14147	75	5	valve	valve	NOUN
ajst-14147	75	6	timing	timing	NOUN
ajst-14147	75	7	systems	system	NOUN
ajst-14147	75	8	are	be	AUX
ajst-14147	75	9	electronically	electronically	ADV
ajst-14147	75	10	controlled	control	VERB
ajst-14147	75	11	systems	system	NOUN
ajst-14147	75	12	that	that	PRON
ajst-14147	75	13	adjust	adjust	VERB
ajst-14147	75	14	the	the	DET
ajst-14147	75	15	timing	timing	NOUN
ajst-14147	75	16	and	and	CCONJ
ajst-14147	75	17	duration	duration	NOUN
ajst-14147	75	18	of	of	ADP
ajst-14147	75	19	valve	valve	NOUN
ajst-14147	75	20	opening	opening	NOUN
ajst-14147	75	21	or	or	CCONJ
ajst-14147	75	22	closing	closing	NOUN
ajst-14147	75	23	.	.	PUNCT
ajst-14147	76	1	they	they	PRON
ajst-14147	76	2	match	match	VERB
ajst-14147	76	3	the	the	DET
ajst-14147	76	4	engine	engine	NOUN
ajst-14147	76	5	's	's	PART
ajst-14147	76	6	requirements	requirement	NOUN
ajst-14147	76	7	under	under	ADP
ajst-14147	76	8	different	different	ADJ
ajst-14147	76	9	speeds	speed	NOUN
ajst-14147	76	10	,	,	PUNCT
ajst-14147	76	11	enhancing	enhance	VERB
ajst-14147	76	12	torque	torque	NOUN
ajst-14147	76	13	balance	balance	NOUN
ajst-14147	76	14	and	and	CCONJ
ajst-14147	76	15	power	power	NOUN
ajst-14147	76	16	output	output	NOUN
ajst-14147	76	17	across	across	ADP
ajst-14147	76	18	various	various	ADJ
ajst-14147	76	19	driving	driving	NOUN
ajst-14147	76	20	conditions	condition	NOUN
ajst-14147	76	21	while	while	SCONJ
ajst-14147	76	22	reducing	reduce	VERB
ajst-14147	76	23	fuel	fuel	NOUN
ajst-14147	76	24	consumption	consumption	NOUN
ajst-14147	76	25	.	.	PUNCT
ajst-14147	77	1	2.3.2	2.3.2	X
ajst-14147	77	2	.	.	PUNCT
ajst-14147	77	3	current	current	ADJ
ajst-14147	77	4	optimization	optimization	NOUN
ajst-14147	77	5	status	status	NOUN
ajst-14147	77	6	currently	currently	ADV
ajst-14147	77	7	,	,	PUNCT
ajst-14147	77	8	certain	certain	ADJ
ajst-14147	77	9	optimizations	optimization	NOUN
ajst-14147	77	10	have	have	AUX
ajst-14147	77	11	been	be	AUX
ajst-14147	77	12	carried	carry	VERB
ajst-14147	77	13	out	out	ADP
ajst-14147	77	14	in	in	ADP
ajst-14147	77	15	the	the	DET
ajst-14147	77	16	field	field	NOUN
ajst-14147	77	17	of	of	ADP
ajst-14147	77	18	variable	variable	ADJ
ajst-14147	77	19	valve	valve	NOUN
ajst-14147	77	20	timing	timing	NOUN
ajst-14147	77	21	.	.	PUNCT
ajst-14147	78	1	liu	liu	PROPN
ajst-14147	78	2	cheng	cheng	PROPN
ajst-14147	78	3	,	,	PUNCT
ajst-14147	78	4	in	in	ADP
ajst-14147	78	5	conjunction	conjunction	NOUN
ajst-14147	78	6	with	with	ADP
ajst-14147	78	7	a	a	DET
ajst-14147	78	8	dongfeng	dongfeng	PROPN
ajst-14147	78	9	motor	motor	NOUN
ajst-14147	78	10	engine	engine	NOUN
ajst-14147	78	11	,	,	PUNCT
ajst-14147	78	12	proposed	propose	VERB
ajst-14147	78	13	and	and	CCONJ
ajst-14147	78	14	effectively	effectively	ADV
ajst-14147	78	15	conducted	conduct	VERB
ajst-14147	78	16	the	the	DET
ajst-14147	78	17	design	design	NOUN
ajst-14147	78	18	optimization	optimization	NOUN
ajst-14147	78	19	of	of	ADP
ajst-14147	78	20	the	the	DET
ajst-14147	78	21	vvt	vvt	NOUN
ajst-14147	78	22	system	system	NOUN
ajst-14147	78	23	.	.	PUNCT
ajst-14147	79	1	the	the	DET
ajst-14147	79	2	focus	focus	NOUN
ajst-14147	79	3	was	be	AUX
ajst-14147	79	4	on	on	ADP
ajst-14147	79	5	improving	improve	VERB
ajst-14147	79	6	the	the	DET
ajst-14147	79	7	development	development	NOUN
ajst-14147	79	8	process	process	NOUN
ajst-14147	79	9	of	of	ADP
ajst-14147	79	10	the	the	DET
ajst-14147	79	11	variable	variable	ADJ
ajst-14147	79	12	valve	valve	NOUN
ajst-14147	79	13	timing	timing	NOUN
ajst-14147	79	14	mechanism	mechanism	NOUN
ajst-14147	79	15	,	,	PUNCT
ajst-14147	79	16	enhancing	enhance	VERB
ajst-14147	79	17	development	development	NOUN
ajst-14147	79	18	efficiency	efficiency	NOUN
ajst-14147	79	19	and	and	CCONJ
ajst-14147	79	20	quality	quality	NOUN
ajst-14147	79	21	,	,	PUNCT
ajst-14147	79	22	and	and	CCONJ
ajst-14147	79	23	boosting	boost	VERB
ajst-14147	79	24	product	product	NOUN
ajst-14147	79	25	competitiveness	competitiveness	NOUN
ajst-14147	79	26	.	.	PUNCT
ajst-14147	80	1	the	the	DET
ajst-14147	80	2	primary	primary	ADJ
ajst-14147	80	3	research	research	NOUN
ajst-14147	80	4	involved	involve	VERB
ajst-14147	80	5	setting	set	VERB
ajst-14147	80	6	critical	critical	ADJ
ajst-14147	80	7	parameters	parameter	NOUN
ajst-14147	80	8	related	relate	VERB
ajst-14147	80	9	to	to	ADP
ajst-14147	80	10	the	the	DET
ajst-14147	80	11	variable	variable	ADJ
ajst-14147	80	12	valve	valve	NOUN
ajst-14147	80	13	timing	timing	NOUN
ajst-14147	80	14	mechanism	mechanism	NOUN
ajst-14147	80	15	,	,	PUNCT
ajst-14147	80	16	such	such	ADJ
ajst-14147	80	17	as	as	ADP
ajst-14147	80	18	adjustment	adjustment	NOUN
ajst-14147	80	19	angles	angle	NOUN
ajst-14147	80	20	,	,	PUNCT
ajst-14147	80	21	unlocking	unlock	VERB
ajst-14147	80	22	methods	method	NOUN
ajst-14147	80	23	,	,	PUNCT
ajst-14147	80	24	and	and	CCONJ
ajst-14147	80	25	unlocking	unlock	VERB
ajst-14147	80	26	pressures	pressure	NOUN
ajst-14147	80	27	.	.	PUNCT
ajst-14147	81	1	it	it	PRON
ajst-14147	81	2	also	also	ADV
ajst-14147	81	3	included	include	VERB
ajst-14147	81	4	the	the	DET
ajst-14147	81	5	development	development	NOUN
ajst-14147	81	6	and	and	CCONJ
ajst-14147	81	7	application	application	NOUN
ajst-14147	81	8	of	of	ADP
ajst-14147	81	9	a	a	DET
ajst-14147	81	10	dynamic	dynamic	ADJ
ajst-14147	81	11	vvt	vvt	NOUN
ajst-14147	81	12	simulation	simulation	NOUN
ajst-14147	81	13	model	model	NOUN
ajst-14147	81	14	and	and	CCONJ
ajst-14147	81	15	the	the	DET
ajst-14147	81	16	establishment	establishment	NOUN
ajst-14147	81	17	and	and	CCONJ
ajst-14147	81	18	testing	testing	NOUN
ajst-14147	81	19	of	of	ADP
ajst-14147	81	20	a	a	DET
ajst-14147	81	21	dynamic	dynamic	ADJ
ajst-14147	81	22	engine	engine	NOUN
ajst-14147	81	23	ignition	ignition	NOUN
ajst-14147	81	24	test	test	NOUN
ajst-14147	81	25	bench[8	bench[8	PROPN
ajst-14147	81	26	]	]	PUNCT
ajst-14147	81	27	.	.	PUNCT
ajst-14147	82	1	additionally	additionally	ADV
ajst-14147	82	2	,	,	PUNCT
ajst-14147	82	3	tang	tang	X
ajst-14147	82	4	zhenzhen	zhenzhen	PROPN
ajst-14147	82	5	utilized	utilize	VERB
ajst-14147	82	6	toyota	toyota	PROPN
ajst-14147	82	7	's	's	PART
ajst-14147	82	8	dual	dual	ADJ
ajst-14147	82	9	vvt	vvt	NOUN
ajst-14147	82	10	-	-	PUNCT
ajst-14147	82	11	i	i	PRON
ajst-14147	82	12	technology	technology	NOUN
ajst-14147	82	13	as	as	ADP
ajst-14147	82	14	an	an	DET
ajst-14147	82	15	example	example	NOUN
ajst-14147	82	16	.	.	PUNCT
ajst-14147	83	1	vvt	vvt	NOUN
ajst-14147	83	2	-	-	PUNCT
ajst-14147	83	3	i	i	PRON
ajst-14147	83	4	stands	stand	VERB
ajst-14147	83	5	for	for	ADP
ajst-14147	83	6	intelligent	intelligent	ADJ
ajst-14147	83	7	variable	variable	ADJ
ajst-14147	83	8	valve	valve	NOUN
ajst-14147	83	9	timing	timing	NOUN
ajst-14147	83	10	control	control	NOUN
ajst-14147	83	11	system	system	NOUN
ajst-14147	83	12	.	.	PUNCT
ajst-14147	84	1	this	this	DET
ajst-14147	84	2	system	system	NOUN
ajst-14147	84	3	enhances	enhance	VERB
ajst-14147	84	4	intake	intake	ADJ
ajst-14147	84	5	efficiency	efficiency	NOUN
ajst-14147	84	6	,	,	PUNCT
ajst-14147	84	7	achieves	achieve	VERB
ajst-14147	84	8	ample	ample	ADJ
ajst-14147	84	9	torque	torque	NOUN
ajst-14147	84	10	output	output	NOUN
ajst-14147	84	11	within	within	ADP
ajst-14147	84	12	the	the	DET
ajst-14147	84	13	low	low	ADJ
ajst-14147	84	14	and	and	CCONJ
ajst-14147	84	15	mid	mid	ADJ
ajst-14147	84	16	-	-	ADJ
ajst-14147	84	17	speed	speed	ADJ
ajst-14147	84	18	range	range	NOUN
ajst-14147	84	19	,	,	PUNCT
ajst-14147	84	20	and	and	CCONJ
ajst-14147	84	21	ensures	ensure	VERB
ajst-14147	84	22	sufficient	sufficient	ADJ
ajst-14147	84	23	power	power	NOUN
ajst-14147	84	24	performance	performance	NOUN
ajst-14147	84	25	under	under	ADP
ajst-14147	84	26	various	various	ADJ
ajst-14147	84	27	conditions	condition	NOUN
ajst-14147	84	28	.	.	PUNCT
ajst-14147	85	1	the	the	DET
ajst-14147	85	2	research	research	NOUN
ajst-14147	85	3	concluded	conclude	VERB
ajst-14147	85	4	that	that	SCONJ
ajst-14147	85	5	toyota	toyota	PROPN
ajst-14147	85	6	's	's	PART
ajst-14147	85	7	dual	dual	ADJ
ajst-14147	85	8	variable	variable	ADJ
ajst-14147	85	9	valve	valve	NOUN
ajst-14147	85	10	timing	timing	NOUN
ajst-14147	85	11	system	system	NOUN
ajst-14147	85	12	,	,	PUNCT
ajst-14147	85	13	controlled	control	VERB
ajst-14147	85	14	by	by	ADP
ajst-14147	85	15	the	the	DET
ajst-14147	85	16	engine	engine	NOUN
ajst-14147	85	17	control	control	NOUN
ajst-14147	85	18	module	module	NOUN
ajst-14147	85	19	(	(	PUNCT
ajst-14147	85	20	ecm	ecm	PROPN
ajst-14147	85	21	)	)	PUNCT
ajst-14147	85	22	,	,	PUNCT
ajst-14147	85	23	can	can	AUX
ajst-14147	85	24	dynamically	dynamically	ADV
ajst-14147	85	25	adjust	adjust	VERB
ajst-14147	85	26	the	the	DET
ajst-14147	85	27	valve	valve	NOUN
ajst-14147	85	28	timing	timing	NOUN
ajst-14147	85	29	of	of	ADP
ajst-14147	85	30	the	the	DET
ajst-14147	85	31	intake	intake	NOUN
ajst-14147	85	32	camshaft	camshaft	NOUN
ajst-14147	85	33	based	base	VERB
ajst-14147	85	34	on	on	ADP
ajst-14147	85	35	different	different	ADJ
ajst-14147	85	36	engine	engine	NOUN
ajst-14147	85	37	conditions	condition	NOUN
ajst-14147	85	38	to	to	PART
ajst-14147	85	39	obtain	obtain	VERB
ajst-14147	85	40	optimal	optimal	ADJ
ajst-14147	85	41	valve	valve	VERB
ajst-14147	85	42	139	139	NUM
ajst-14147	85	43	timing	timing	NOUN
ajst-14147	85	44	.	.	PUNCT
ajst-14147	86	1	this	this	PRON
ajst-14147	86	2	improves	improve	VERB
ajst-14147	86	3	torque	torque	NOUN
ajst-14147	86	4	at	at	ADP
ajst-14147	86	5	low	low	ADJ
ajst-14147	86	6	speeds	speed	NOUN
ajst-14147	86	7	,	,	PUNCT
ajst-14147	86	8	power	power	NOUN
ajst-14147	86	9	at	at	ADP
ajst-14147	86	10	medium	medium	ADJ
ajst-14147	86	11	to	to	ADP
ajst-14147	86	12	high	high	ADJ
ajst-14147	86	13	speeds	speed	NOUN
ajst-14147	86	14	,	,	PUNCT
ajst-14147	86	15	and	and	CCONJ
ajst-14147	86	16	reduces	reduce	VERB
ajst-14147	86	17	fuel	fuel	NOUN
ajst-14147	86	18	consumption	consumption	NOUN
ajst-14147	86	19	and	and	CCONJ
ajst-14147	86	20	tailpipe	tailpipe	NOUN
ajst-14147	86	21	emissions	emission	NOUN
ajst-14147	86	22	.	.	PUNCT
ajst-14147	87	1	during	during	ADP
ajst-14147	87	2	fault	fault	NOUN
ajst-14147	87	3	diagnosis	diagnosis	NOUN
ajst-14147	87	4	and	and	CCONJ
ajst-14147	87	5	maintenance	maintenance	NOUN
ajst-14147	87	6	,	,	PUNCT
ajst-14147	87	7	instrument	instrument	NOUN
ajst-14147	87	8	-	-	PUNCT
ajst-14147	87	9	based	base	VERB
ajst-14147	87	10	diagnostics	diagnostic	NOUN
ajst-14147	87	11	supplemented	supplement	VERB
ajst-14147	87	12	by	by	ADP
ajst-14147	87	13	manual	manual	ADJ
ajst-14147	87	14	inspection	inspection	NOUN
ajst-14147	87	15	can	can	AUX
ajst-14147	87	16	quickly	quickly	ADV
ajst-14147	87	17	diagnose	diagnose	VERB
ajst-14147	87	18	and	and	CCONJ
ajst-14147	87	19	rectify	rectify	VERB
ajst-14147	87	20	faults	fault	NOUN
ajst-14147	87	21	in	in	ADP
ajst-14147	87	22	the	the	DET
ajst-14147	87	23	dual	dual	ADJ
ajst-14147	87	24	vvt	vvt	NOUN
ajst-14147	87	25	-	-	PUNCT
ajst-14147	87	26	i	i	PRON
ajst-14147	87	27	system	system	NOUN
ajst-14147	87	28	using	use	VERB
ajst-14147	87	29	the	the	DET
ajst-14147	87	30	self	self	NOUN
ajst-14147	87	31	-	-	PUNCT
ajst-14147	87	32	diagnostic	diagnostic	ADJ
ajst-14147	87	33	system[9	system[9	NOUN
ajst-14147	87	34	]	]	PUNCT
ajst-14147	87	35	.	.	PUNCT
ajst-14147	88	1	3	3	X
ajst-14147	88	2	.	.	X
ajst-14147	88	3	impact	impact	NOUN
ajst-14147	88	4	on	on	ADP
ajst-14147	88	5	automotive	automotive	ADJ
ajst-14147	88	6	performance	performance	NOUN
ajst-14147	88	7	and	and	CCONJ
ajst-14147	88	8	driving	drive	VERB
ajst-14147	88	9	experience	experience	NOUN
ajst-14147	88	10	variable	variable	ADJ
ajst-14147	88	11	valve	valve	NOUN
ajst-14147	88	12	timing	timing	NOUN
ajst-14147	88	13	(	(	PUNCT
ajst-14147	88	14	vvt	vvt	NOUN
ajst-14147	88	15	)	)	PUNCT
ajst-14147	88	16	technology	technology	NOUN
ajst-14147	88	17	primarily	primarily	ADV
ajst-14147	88	18	improves	improve	VERB
ajst-14147	88	19	driving	drive	VERB
ajst-14147	88	20	performance	performance	NOUN
ajst-14147	88	21	by	by	ADP
ajst-14147	88	22	controlling	control	VERB
ajst-14147	88	23	the	the	DET
ajst-14147	88	24	opening	opening	NOUN
ajst-14147	88	25	and	and	CCONJ
ajst-14147	88	26	closing	closing	NOUN
ajst-14147	88	27	times	time	NOUN
ajst-14147	88	28	of	of	ADP
ajst-14147	88	29	an	an	DET
ajst-14147	88	30	automobile	automobile	NOUN
ajst-14147	88	31	engine	engine	NOUN
ajst-14147	88	32	's	's	PART
ajst-14147	88	33	valves	valve	NOUN
ajst-14147	88	34	effectively	effectively	ADV
ajst-14147	88	35	.	.	PUNCT
ajst-14147	89	1	it	it	PRON
ajst-14147	89	2	enhances	enhance	VERB
ajst-14147	89	3	engine	engine	NOUN
ajst-14147	89	4	power	power	NOUN
ajst-14147	89	5	and	and	CCONJ
ajst-14147	89	6	fuel	fuel	NOUN
ajst-14147	89	7	economy	economy	NOUN
ajst-14147	89	8	,	,	PUNCT
ajst-14147	89	9	reduces	reduce	VERB
ajst-14147	89	10	harmful	harmful	ADJ
ajst-14147	89	11	emissions	emission	NOUN
ajst-14147	89	12	in	in	ADP
ajst-14147	89	13	engine	engine	NOUN
ajst-14147	89	14	exhaust	exhaust	NOUN
ajst-14147	89	15	,	,	PUNCT
ajst-14147	89	16	and	and	CCONJ
ajst-14147	89	17	improves	improve	VERB
ajst-14147	89	18	idle	idle	ADJ
ajst-14147	89	19	stability	stability	NOUN
ajst-14147	89	20	and	and	CCONJ
ajst-14147	89	21	low	low	ADJ
ajst-14147	89	22	-	-	PUNCT
ajst-14147	89	23	speed	speed	NOUN
ajst-14147	89	24	smoothness	smoothness	NOUN
ajst-14147	89	25	.	.	PUNCT
ajst-14147	90	1	specifically	specifically	ADV
ajst-14147	90	2	:	:	PUNCT
ajst-14147	90	3	by	by	ADP
ajst-14147	90	4	altering	alter	VERB
ajst-14147	90	5	the	the	DET
ajst-14147	90	6	valve	valve	NOUN
ajst-14147	90	7	timing	timing	NOUN
ajst-14147	90	8	,	,	PUNCT
ajst-14147	90	9	the	the	DET
ajst-14147	90	10	engine	engine	NOUN
ajst-14147	90	11	's	's	PART
ajst-14147	90	12	low	low	ADJ
ajst-14147	90	13	-	-	PUNCT
ajst-14147	90	14	speed	speed	NOUN
ajst-14147	90	15	torque	torque	NOUN
ajst-14147	90	16	can	can	AUX
ajst-14147	90	17	be	be	AUX
ajst-14147	90	18	adjusted	adjust	VERB
ajst-14147	90	19	,	,	PUNCT
ajst-14147	90	20	allowing	allow	VERB
ajst-14147	90	21	it	it	PRON
ajst-14147	90	22	to	to	PART
ajst-14147	90	23	operate	operate	VERB
ajst-14147	90	24	at	at	ADP
ajst-14147	90	25	lower	low	ADJ
ajst-14147	90	26	engine	engine	NOUN
ajst-14147	90	27	speeds	speed	NOUN
ajst-14147	90	28	where	where	SCONJ
ajst-14147	90	29	friction	friction	NOUN
ajst-14147	90	30	losses	loss	NOUN
ajst-14147	90	31	are	be	AUX
ajst-14147	90	32	reduced	reduce	VERB
ajst-14147	90	33	,	,	PUNCT
ajst-14147	90	34	thereby	thereby	ADV
ajst-14147	90	35	improving	improve	VERB
ajst-14147	90	36	fuel	fuel	NOUN
ajst-14147	90	37	economy	economy	NOUN
ajst-14147	90	38	.	.	PUNCT
ajst-14147	91	1	within	within	ADP
ajst-14147	91	2	a	a	DET
ajst-14147	91	3	significant	significant	ADJ
ajst-14147	91	4	range	range	NOUN
ajst-14147	91	5	,	,	PUNCT
ajst-14147	91	6	changes	change	NOUN
ajst-14147	91	7	in	in	ADP
ajst-14147	91	8	the	the	DET
ajst-14147	91	9	intake	intake	NOUN
ajst-14147	91	10	valve	valve	NOUN
ajst-14147	91	11	closing	closing	NOUN
ajst-14147	91	12	angle	angle	NOUN
ajst-14147	91	13	can	can	AUX
ajst-14147	91	14	replace	replace	VERB
ajst-14147	91	15	conventional	conventional	ADJ
ajst-14147	91	16	throttle	throttle	NOUN
ajst-14147	91	17	control	control	NOUN
ajst-14147	91	18	for	for	ADP
ajst-14147	91	19	load	load	NOUN
ajst-14147	91	20	adjustment	adjustment	NOUN
ajst-14147	91	21	.	.	PUNCT
ajst-14147	92	1	this	this	PRON
ajst-14147	92	2	reduces	reduce	VERB
ajst-14147	92	3	pumping	pump	VERB
ajst-14147	92	4	losses	loss	NOUN
ajst-14147	92	5	associated	associate	VERB
ajst-14147	92	6	with	with	ADP
ajst-14147	92	7	throttle	throttle	NOUN
ajst-14147	92	8	-	-	PUNCT
ajst-14147	92	9	based	base	VERB
ajst-14147	92	10	load	load	NOUN
ajst-14147	92	11	control	control	NOUN
ajst-14147	92	12	,	,	PUNCT
ajst-14147	92	13	leading	lead	VERB
ajst-14147	92	14	to	to	ADP
ajst-14147	92	15	lower	low	ADJ
ajst-14147	92	16	fuel	fuel	NOUN
ajst-14147	92	17	consumption	consumption	NOUN
ajst-14147	92	18	and	and	CCONJ
ajst-14147	92	19	reduced	reduced	ADJ
ajst-14147	92	20	nox	nox	NOUN
ajst-14147	92	21	and	and	CCONJ
ajst-14147	92	22	hc	hc	NOUN
ajst-14147	92	23	emissions	emission	NOUN
ajst-14147	92	24	.	.	PUNCT
ajst-14147	93	1	high	high	ADJ
ajst-14147	93	2	-	-	PUNCT
ajst-14147	93	3	speed	speed	NOUN
ajst-14147	93	4	gasoline	gasoline	NOUN
ajst-14147	93	5	engines	engine	NOUN
ajst-14147	93	6	typically	typically	ADV
ajst-14147	93	7	have	have	AUX
ajst-14147	93	8	valve	valve	VERB
ajst-14147	93	9	timing	timing	NOUN
ajst-14147	93	10	settings	setting	NOUN
ajst-14147	93	11	that	that	PRON
ajst-14147	93	12	favor	favor	VERB
ajst-14147	93	13	high	high	ADJ
ajst-14147	93	14	rpms	rpm	NOUN
ajst-14147	93	15	,	,	PUNCT
ajst-14147	93	16	resulting	result	VERB
ajst-14147	93	17	in	in	ADP
ajst-14147	93	18	a	a	DET
ajst-14147	93	19	large	large	ADJ
ajst-14147	93	20	intake	intake	NOUN
ajst-14147	93	21	valve	valve	NOUN
ajst-14147	93	22	closing	closing	NOUN
ajst-14147	93	23	angle	angle	NOUN
ajst-14147	93	24	.	.	PUNCT
ajst-14147	94	1	this	this	PRON
ajst-14147	94	2	can	can	AUX
ajst-14147	94	3	cause	cause	VERB
ajst-14147	94	4	air	air	NOUN
ajst-14147	94	5	-	-	PUNCT
ajst-14147	94	6	fuel	fuel	NOUN
ajst-14147	94	7	mixture	mixture	NOUN
ajst-14147	94	8	to	to	PART
ajst-14147	94	9	reverse	reverse	VERB
ajst-14147	94	10	flow	flow	NOUN
ajst-14147	94	11	into	into	ADP
ajst-14147	94	12	the	the	DET
ajst-14147	94	13	intake	intake	ADJ
ajst-14147	94	14	manifold	manifold	NOUN
ajst-14147	94	15	,	,	PUNCT
ajst-14147	94	16	leading	lead	VERB
ajst-14147	94	17	to	to	ADP
ajst-14147	94	18	unstable	unstable	ADJ
ajst-14147	94	19	combustion	combustion	NOUN
ajst-14147	94	20	,	,	PUNCT
ajst-14147	94	21	reduced	reduce	VERB
ajst-14147	94	22	power	power	NOUN
ajst-14147	94	23	,	,	PUNCT
ajst-14147	94	24	and	and	CCONJ
ajst-14147	94	25	unstable	unstable	ADJ
ajst-14147	94	26	idling	idle	VERB
ajst-14147	94	27	at	at	ADP
ajst-14147	94	28	idle	idle	ADJ
ajst-14147	94	29	and	and	CCONJ
ajst-14147	94	30	low	low	ADJ
ajst-14147	94	31	speeds	speed	NOUN
ajst-14147	94	32	.	.	PUNCT
ajst-14147	95	1	with	with	ADP
ajst-14147	95	2	a	a	DET
ajst-14147	95	3	variable	variable	ADJ
ajst-14147	95	4	valve	valve	NOUN
ajst-14147	95	5	timing	timing	NOUN
ajst-14147	95	6	mechanism	mechanism	NOUN
ajst-14147	95	7	,	,	PUNCT
ajst-14147	95	8	the	the	DET
ajst-14147	95	9	intake	intake	NOUN
ajst-14147	95	10	valve	valve	NOUN
ajst-14147	95	11	closing	closing	NOUN
ajst-14147	95	12	angle	angle	NOUN
ajst-14147	95	13	automatically	automatically	ADV
ajst-14147	95	14	decreases	decrease	VERB
ajst-14147	95	15	at	at	ADP
ajst-14147	95	16	low	low	ADJ
ajst-14147	95	17	speeds	speed	NOUN
ajst-14147	95	18	,	,	PUNCT
ajst-14147	95	19	eliminating	eliminate	VERB
ajst-14147	95	20	this	this	DET
ajst-14147	95	21	issue	issue	NOUN
ajst-14147	95	22	and	and	CCONJ
ajst-14147	95	23	improving	improve	VERB
ajst-14147	95	24	low	low	ADJ
ajst-14147	95	25	-	-	PUNCT
ajst-14147	95	26	speed	speed	NOUN
ajst-14147	95	27	and	and	CCONJ
ajst-14147	95	28	idle	idle	VERB
ajst-14147	95	29	performance[10	performance[10	ADV
ajst-14147	95	30	]	]	PUNCT
ajst-14147	95	31	.	.	PUNCT
ajst-14147	96	1	performance	performance	NOUN
ajst-14147	96	2	is	be	AUX
ajst-14147	96	3	a	a	DET
ajst-14147	96	4	significant	significant	ADJ
ajst-14147	96	5	advantage	advantage	NOUN
ajst-14147	96	6	of	of	ADP
ajst-14147	96	7	direct	direct	ADJ
ajst-14147	96	8	injection	injection	NOUN
ajst-14147	96	9	into	into	ADP
ajst-14147	96	10	the	the	DET
ajst-14147	96	11	cylinder	cylinder	NOUN
ajst-14147	96	12	,	,	PUNCT
ajst-14147	96	13	and	and	CCONJ
ajst-14147	96	14	it	it	PRON
ajst-14147	96	15	is	be	AUX
ajst-14147	96	16	the	the	DET
ajst-14147	96	17	decisive	decisive	ADJ
ajst-14147	96	18	factor	factor	NOUN
ajst-14147	96	19	in	in	ADP
ajst-14147	96	20	adopting	adopt	VERB
ajst-14147	96	21	cylinder	cylinder	NOUN
ajst-14147	96	22	-	-	PUNCT
ajst-14147	96	23	internal	internal	ADJ
ajst-14147	96	24	direct	direct	ADJ
ajst-14147	96	25	injection	injection	NOUN
ajst-14147	96	26	technology	technology	NOUN
ajst-14147	96	27	.	.	PUNCT
ajst-14147	97	1	cylinderinternal	cylinderinternal	ADJ
ajst-14147	97	2	direct	direct	ADJ
ajst-14147	97	3	injection	injection	NOUN
ajst-14147	97	4	involves	involve	VERB
ajst-14147	97	5	injecting	inject	VERB
ajst-14147	97	6	fuel	fuel	NOUN
ajst-14147	97	7	directly	directly	ADV
ajst-14147	97	8	into	into	ADP
ajst-14147	97	9	the	the	DET
ajst-14147	97	10	combustion	combustion	NOUN
ajst-14147	97	11	chamber	chamber	NOUN
ajst-14147	97	12	,	,	PUNCT
ajst-14147	97	13	where	where	SCONJ
ajst-14147	97	14	gasoline	gasoline	NOUN
ajst-14147	97	15	absorbs	absorb	VERB
ajst-14147	97	16	heat	heat	VERB
ajst-14147	97	17	during	during	ADP
ajst-14147	97	18	atomization	atomization	NOUN
ajst-14147	97	19	,	,	PUNCT
ajst-14147	97	20	reducing	reduce	VERB
ajst-14147	97	21	the	the	DET
ajst-14147	97	22	temperature	temperature	NOUN
ajst-14147	97	23	inside	inside	ADP
ajst-14147	97	24	the	the	DET
ajst-14147	97	25	combustion	combustion	NOUN
ajst-14147	97	26	chamber	chamber	NOUN
ajst-14147	97	27	and	and	CCONJ
ajst-14147	97	28	lowering	lower	VERB
ajst-14147	97	29	the	the	DET
ajst-14147	97	30	risk	risk	NOUN
ajst-14147	97	31	of	of	ADP
ajst-14147	97	32	knocking	knock	VERB
ajst-14147	97	33	.	.	PUNCT
ajst-14147	98	1	furthermore	furthermore	ADV
ajst-14147	98	2	,	,	PUNCT
ajst-14147	98	3	cylinder	cylinder	NOUN
ajst-14147	98	4	-	-	PUNCT
ajst-14147	98	5	internal	internal	ADJ
ajst-14147	98	6	direct	direct	ADJ
ajst-14147	98	7	injection	injection	NOUN
ajst-14147	98	8	allows	allow	VERB
ajst-14147	98	9	for	for	ADP
ajst-14147	98	10	various	various	ADJ
ajst-14147	98	11	injection	injection	NOUN
ajst-14147	98	12	strategies	strategy	NOUN
ajst-14147	98	13	,	,	PUNCT
ajst-14147	98	14	such	such	ADJ
ajst-14147	98	15	as	as	ADP
ajst-14147	98	16	stratified	stratified	ADJ
ajst-14147	98	17	combustion	combustion	NOUN
ajst-14147	98	18	and	and	CCONJ
ajst-14147	98	19	multiple	multiple	ADJ
ajst-14147	98	20	injections	injection	NOUN
ajst-14147	98	21	.	.	PUNCT
ajst-14147	99	1	for	for	ADP
ajst-14147	99	2	example	example	NOUN
ajst-14147	99	3	,	,	PUNCT
ajst-14147	99	4	injecting	inject	VERB
ajst-14147	99	5	additional	additional	ADJ
ajst-14147	99	6	fuel	fuel	NOUN
ajst-14147	99	7	just	just	ADV
ajst-14147	99	8	before	before	ADP
ajst-14147	99	9	the	the	DET
ajst-14147	99	10	compression	compression	NOUN
ajst-14147	99	11	top	top	ADJ
ajst-14147	99	12	dead	dead	ADJ
ajst-14147	99	13	center	center	NOUN
ajst-14147	99	14	immediately	immediately	ADV
ajst-14147	99	15	lowers	lower	VERB
ajst-14147	99	16	the	the	DET
ajst-14147	99	17	combustion	combustion	NOUN
ajst-14147	99	18	chamber	chamber	NOUN
ajst-14147	99	19	temperature	temperature	NOUN
ajst-14147	99	20	,	,	PUNCT
ajst-14147	99	21	allowing	allow	VERB
ajst-14147	99	22	for	for	ADP
ajst-14147	99	23	more	more	ADV
ajst-14147	99	24	advanced	advanced	ADJ
ajst-14147	99	25	ignition	ignition	NOUN
ajst-14147	99	26	timing	timing	NOUN
ajst-14147	99	27	and	and	CCONJ
ajst-14147	99	28	improved	improved	ADJ
ajst-14147	99	29	performance	performance	NOUN
ajst-14147	99	30	.	.	PUNCT
ajst-14147	100	1	even	even	ADV
ajst-14147	100	2	under	under	ADP
ajst-14147	100	3	medium	medium	NOUN
ajst-14147	100	4	to	to	ADP
ajst-14147	100	5	high	high	ADJ
ajst-14147	100	6	loads	load	NOUN
ajst-14147	100	7	,	,	PUNCT
ajst-14147	100	8	thermal	thermal	ADJ
ajst-14147	100	9	efficiency	efficiency	NOUN
ajst-14147	100	10	is	be	AUX
ajst-14147	100	11	higher	high	ADJ
ajst-14147	100	12	.	.	PUNCT
ajst-14147	101	1	in	in	ADP
ajst-14147	101	2	summary	summary	NOUN
ajst-14147	101	3	,	,	PUNCT
ajst-14147	101	4	cylinder	cylinder	NOUN
ajst-14147	101	5	-	-	PUNCT
ajst-14147	101	6	internal	internal	ADJ
ajst-14147	101	7	direct	direct	ADJ
ajst-14147	101	8	injection	injection	NOUN
ajst-14147	101	9	allows	allow	VERB
ajst-14147	101	10	for	for	ADP
ajst-14147	101	11	more	more	ADV
ajst-14147	101	12	precise	precise	ADJ
ajst-14147	101	13	control	control	NOUN
ajst-14147	101	14	of	of	ADP
ajst-14147	101	15	fuel	fuel	NOUN
ajst-14147	101	16	injection	injection	NOUN
ajst-14147	101	17	quantity	quantity	NOUN
ajst-14147	101	18	,	,	PUNCT
ajst-14147	101	19	resulting	result	VERB
ajst-14147	101	20	in	in	ADP
ajst-14147	101	21	fuel	fuel	NOUN
ajst-14147	101	22	savings	saving	NOUN
ajst-14147	101	23	.	.	PUNCT
ajst-14147	102	1	additionally	additionally	ADV
ajst-14147	102	2	,	,	PUNCT
ajst-14147	102	3	it	it	PRON
ajst-14147	102	4	enhances	enhance	VERB
ajst-14147	102	5	power	power	NOUN
ajst-14147	102	6	to	to	ADP
ajst-14147	102	7	some	some	DET
ajst-14147	102	8	extent	extent	NOUN
ajst-14147	102	9	,	,	PUNCT
ajst-14147	102	10	as	as	SCONJ
ajst-14147	102	11	engines	engine	NOUN
ajst-14147	102	12	with	with	ADP
ajst-14147	102	13	cylinder	cylinder	NOUN
ajst-14147	102	14	-	-	PUNCT
ajst-14147	102	15	internal	internal	ADJ
ajst-14147	102	16	direct	direct	ADJ
ajst-14147	102	17	injection	injection	NOUN
ajst-14147	102	18	typically	typically	ADV
ajst-14147	102	19	have	have	VERB
ajst-14147	102	20	higher	high	ADJ
ajst-14147	102	21	compression	compression	NOUN
ajst-14147	102	22	ratios	ratio	NOUN
ajst-14147	102	23	,	,	PUNCT
ajst-14147	102	24	resulting	result	VERB
ajst-14147	102	25	in	in	ADP
ajst-14147	102	26	higher	high	ADJ
ajst-14147	102	27	power	power	NOUN
ajst-14147	102	28	output	output	NOUN
ajst-14147	102	29	.	.	PUNCT
ajst-14147	103	1	finally	finally	ADV
ajst-14147	103	2	,	,	PUNCT
ajst-14147	103	3	cylinder	cylinder	NOUN
ajst-14147	103	4	-	-	PUNCT
ajst-14147	103	5	internal	internal	ADJ
ajst-14147	103	6	direct	direct	ADJ
ajst-14147	103	7	injection	injection	NOUN
ajst-14147	103	8	provides	provide	VERB
ajst-14147	103	9	greater	great	ADJ
ajst-14147	103	10	flexibility	flexibility	NOUN
ajst-14147	103	11	in	in	ADP
ajst-14147	103	12	fuel	fuel	NOUN
ajst-14147	103	13	injection	injection	NOUN
ajst-14147	103	14	,	,	PUNCT
ajst-14147	103	15	contributing	contribute	VERB
ajst-14147	103	16	to	to	ADP
ajst-14147	103	17	advancements	advancement	NOUN
ajst-14147	103	18	in	in	ADP
ajst-14147	103	19	engine	engine	NOUN
ajst-14147	103	20	technology	technology	NOUN
ajst-14147	103	21	.	.	PUNCT
ajst-14147	104	1	today	today	NOUN
ajst-14147	104	2	,	,	PUNCT
ajst-14147	104	3	most	most	ADJ
ajst-14147	104	4	performance	performance	NOUN
ajst-14147	104	5	vehicles	vehicle	NOUN
ajst-14147	104	6	use	use	VERB
ajst-14147	104	7	cylinder	cylinder	NOUN
ajst-14147	104	8	-	-	PUNCT
ajst-14147	104	9	internal	internal	ADJ
ajst-14147	104	10	direct	direct	ADJ
ajst-14147	104	11	injection	injection	NOUN
ajst-14147	104	12	technology	technology	NOUN
ajst-14147	104	13	.	.	PUNCT
ajst-14147	105	1	the	the	DET
ajst-14147	105	2	primary	primary	ADJ
ajst-14147	105	3	reason	reason	NOUN
ajst-14147	105	4	is	be	AUX
ajst-14147	105	5	to	to	PART
ajst-14147	105	6	ensure	ensure	VERB
ajst-14147	105	7	performance	performance	NOUN
ajst-14147	105	8	and	and	CCONJ
ajst-14147	105	9	increase	increase	VERB
ajst-14147	105	10	engine	engine	NOUN
ajst-14147	105	11	power	power	NOUN
ajst-14147	105	12	and	and	CCONJ
ajst-14147	105	13	torque	torque	NOUN
ajst-14147	105	14	.	.	PUNCT
ajst-14147	106	1	cylinderinternal	cylinderinternal	ADJ
ajst-14147	106	2	direct	direct	ADJ
ajst-14147	106	3	injection	injection	NOUN
ajst-14147	106	4	offers	offer	VERB
ajst-14147	106	5	better	well	ADJ
ajst-14147	106	6	controllability	controllability	NOUN
ajst-14147	106	7	,	,	PUNCT
ajst-14147	106	8	ensuring	ensure	VERB
ajst-14147	106	9	that	that	SCONJ
ajst-14147	106	10	the	the	DET
ajst-14147	106	11	engine	engine	NOUN
ajst-14147	106	12	operates	operate	VERB
ajst-14147	106	13	as	as	SCONJ
ajst-14147	106	14	engineers	engineer	NOUN
ajst-14147	106	15	intend	intend	VERB
ajst-14147	106	16	in	in	ADP
ajst-14147	106	17	the	the	DET
ajst-14147	106	18	electrified	electrified	ADJ
ajst-14147	106	19	era	era	NOUN
ajst-14147	106	20	.	.	PUNCT
ajst-14147	107	1	it	it	PRON
ajst-14147	107	2	also	also	ADV
ajst-14147	107	3	performs	perform	VERB
ajst-14147	107	4	exceptionally	exceptionally	ADV
ajst-14147	107	5	well	well	ADV
ajst-14147	107	6	in	in	ADP
ajst-14147	107	7	terms	term	NOUN
ajst-14147	107	8	of	of	ADP
ajst-14147	107	9	fuel	fuel	NOUN
ajst-14147	107	10	consumption	consumption	NOUN
ajst-14147	107	11	and	and	CCONJ
ajst-14147	107	12	emissions	emission	NOUN
ajst-14147	107	13	under	under	ADP
ajst-14147	107	14	the	the	DET
ajst-14147	107	15	wltc	wltc	NOUN
ajst-14147	107	16	(	(	PUNCT
ajst-14147	107	17	worldwide	worldwide	ADJ
ajst-14147	107	18	harmonized	harmonized	ADJ
ajst-14147	107	19	light	light	ADJ
ajst-14147	107	20	vehicles	vehicle	NOUN
ajst-14147	107	21	test	test	NOUN
ajst-14147	107	22	cycle	cycle	NOUN
ajst-14147	107	23	)	)	PUNCT
ajst-14147	107	24	conditions	condition	NOUN
ajst-14147	107	25	,	,	PUNCT
ajst-14147	107	26	making	make	VERB
ajst-14147	107	27	it	it	PRON
ajst-14147	107	28	the	the	DET
ajst-14147	107	29	mainstream	mainstream	NOUN
ajst-14147	107	30	choice	choice	NOUN
ajst-14147	107	31	.	.	PUNCT
ajst-14147	108	1	4	4	X
ajst-14147	108	2	.	.	X
ajst-14147	108	3	conclusion	conclusion	NOUN
ajst-14147	108	4	in	in	ADP
ajst-14147	108	5	today	today	NOUN
ajst-14147	108	6	's	's	PART
ajst-14147	108	7	rapidly	rapidly	ADV
ajst-14147	108	8	advancing	advance	VERB
ajst-14147	108	9	industrial	industrial	ADJ
ajst-14147	108	10	landscape	landscape	NOUN
ajst-14147	108	11	,	,	PUNCT
ajst-14147	108	12	many	many	ADJ
ajst-14147	108	13	technologies	technology	NOUN
ajst-14147	108	14	have	have	AUX
ajst-14147	108	15	made	make	VERB
ajst-14147	108	16	significant	significant	ADJ
ajst-14147	108	17	progress	progress	NOUN
ajst-14147	108	18	,	,	PUNCT
ajst-14147	108	19	and	and	CCONJ
ajst-14147	108	20	engines	engine	NOUN
ajst-14147	108	21	are	be	AUX
ajst-14147	108	22	no	no	DET
ajst-14147	108	23	exception	exception	NOUN
ajst-14147	108	24	.	.	PUNCT
ajst-14147	109	1	engines	engine	NOUN
ajst-14147	109	2	are	be	AUX
ajst-14147	109	3	now	now	ADV
ajst-14147	109	4	applied	apply	VERB
ajst-14147	109	5	in	in	ADP
ajst-14147	109	6	various	various	ADJ
ajst-14147	109	7	fields	field	NOUN
ajst-14147	109	8	and	and	CCONJ
ajst-14147	109	9	have	have	AUX
ajst-14147	109	10	seen	see	VERB
ajst-14147	109	11	substantial	substantial	ADJ
ajst-14147	109	12	improvements	improvement	NOUN
ajst-14147	109	13	.	.	PUNCT
ajst-14147	110	1	this	this	DET
ajst-14147	110	2	article	article	NOUN
ajst-14147	110	3	has	have	AUX
ajst-14147	110	4	focused	focus	VERB
ajst-14147	110	5	on	on	ADP
ajst-14147	110	6	new	new	ADJ
ajst-14147	110	7	technologies	technology	NOUN
ajst-14147	110	8	related	relate	VERB
ajst-14147	110	9	to	to	ADP
ajst-14147	110	10	cylinder	cylinder	NOUN
ajst-14147	110	11	-	-	PUNCT
ajst-14147	110	12	internal	internal	ADJ
ajst-14147	110	13	direct	direct	ADJ
ajst-14147	110	14	injection	injection	NOUN
ajst-14147	110	15	and	and	CCONJ
ajst-14147	110	16	intelligent	intelligent	ADJ
ajst-14147	110	17	variable	variable	ADJ
ajst-14147	110	18	valve	valve	NOUN
ajst-14147	110	19	timing	timing	NOUN
ajst-14147	110	20	.	.	PUNCT
ajst-14147	111	1	these	these	DET
ajst-14147	111	2	advancements	advancement	NOUN
ajst-14147	111	3	have	have	AUX
ajst-14147	111	4	been	be	AUX
ajst-14147	111	5	built	build	VERB
ajst-14147	111	6	upon	upon	SCONJ
ajst-14147	111	7	the	the	DET
ajst-14147	111	8	foundation	foundation	NOUN
ajst-14147	111	9	of	of	ADP
ajst-14147	111	10	traditional	traditional	ADJ
ajst-14147	111	11	engines	engine	NOUN
ajst-14147	111	12	.	.	PUNCT
ajst-14147	112	1	however	however	ADV
ajst-14147	112	2	,	,	PUNCT
ajst-14147	112	3	the	the	DET
ajst-14147	112	4	current	current	ADJ
ajst-14147	112	5	global	global	ADJ
ajst-14147	112	6	trend	trend	NOUN
ajst-14147	112	7	is	be	AUX
ajst-14147	112	8	moving	move	VERB
ajst-14147	112	9	toward	toward	ADP
ajst-14147	112	10	energy	energy	NOUN
ajst-14147	112	11	efficiency	efficiency	NOUN
ajst-14147	112	12	and	and	CCONJ
ajst-14147	112	13	carbon	carbon	NOUN
ajst-14147	112	14	reduction	reduction	NOUN
ajst-14147	112	15	,	,	PUNCT
ajst-14147	112	16	aiming	aim	VERB
ajst-14147	112	17	to	to	PART
ajst-14147	112	18	reduce	reduce	VERB
ajst-14147	112	19	the	the	DET
ajst-14147	112	20	consumption	consumption	NOUN
ajst-14147	112	21	of	of	ADP
ajst-14147	112	22	non	non	ADJ
ajst-14147	112	23	-	-	ADJ
ajst-14147	112	24	renewable	renewable	ADJ
ajst-14147	112	25	energy	energy	NOUN
ajst-14147	112	26	sources	source	NOUN
ajst-14147	112	27	and	and	CCONJ
ajst-14147	112	28	mitigate	mitigate	VERB
ajst-14147	112	29	the	the	DET
ajst-14147	112	30	environmental	environmental	ADJ
ajst-14147	112	31	impact	impact	NOUN
ajst-14147	112	32	of	of	ADP
ajst-14147	112	33	vehicle	vehicle	NOUN
ajst-14147	112	34	exhaust	exhaust	NOUN
ajst-14147	112	35	emissions	emission	NOUN
ajst-14147	112	36	.	.	PUNCT
ajst-14147	113	1	this	this	PRON
ajst-14147	113	2	implies	imply	VERB
ajst-14147	113	3	that	that	SCONJ
ajst-14147	113	4	traditional	traditional	ADJ
ajst-14147	113	5	engines	engine	NOUN
ajst-14147	113	6	will	will	AUX
ajst-14147	113	7	gradually	gradually	ADV
ajst-14147	113	8	take	take	VERB
ajst-14147	113	9	a	a	DET
ajst-14147	113	10	backseat	backseat	NOUN
ajst-14147	113	11	in	in	ADP
ajst-14147	113	12	history	history	NOUN
ajst-14147	113	13	.	.	PUNCT
ajst-14147	114	1	the	the	DET
ajst-14147	114	2	future	future	ADJ
ajst-14147	114	3	direction	direction	NOUN
ajst-14147	114	4	of	of	ADP
ajst-14147	114	5	engine	engine	NOUN
ajst-14147	114	6	development	development	NOUN
ajst-14147	114	7	will	will	AUX
ajst-14147	114	8	revolve	revolve	VERB
ajst-14147	114	9	around	around	ADP
ajst-14147	114	10	new	new	ADJ
ajst-14147	114	11	energy	energy	NOUN
ajst-14147	114	12	sources	source	NOUN
ajst-14147	114	13	.	.	PUNCT
ajst-14147	115	1	new	new	ADJ
ajst-14147	115	2	energy	energy	NOUN
ajst-14147	115	3	engines	engine	NOUN
ajst-14147	115	4	will	will	AUX
ajst-14147	115	5	be	be	AUX
ajst-14147	115	6	equipped	equip	VERB
ajst-14147	115	7	with	with	ADP
ajst-14147	115	8	alternative	alternative	ADJ
ajst-14147	115	9	fuels	fuel	NOUN
ajst-14147	115	10	,	,	PUNCT
ajst-14147	115	11	such	such	ADJ
ajst-14147	115	12	as	as	ADP
ajst-14147	115	13	pure	pure	ADJ
ajst-14147	115	14	electric	electric	NOUN
ajst-14147	115	15	,	,	PUNCT
ajst-14147	115	16	hydrogen	hydrogen	NOUN
ajst-14147	115	17	,	,	PUNCT
ajst-14147	115	18	natural	natural	ADJ
ajst-14147	115	19	gas	gas	NOUN
ajst-14147	115	20	engines	engine	NOUN
ajst-14147	115	21	,	,	PUNCT
ajst-14147	115	22	hybrid	hybrid	ADJ
ajst-14147	115	23	powertrains	powertrain	NOUN
ajst-14147	115	24	,	,	PUNCT
ajst-14147	115	25	and	and	CCONJ
ajst-14147	115	26	rangeextender	rangeextender	NOUN
ajst-14147	115	27	engines	engine	NOUN
ajst-14147	115	28	.	.	PUNCT
ajst-14147	116	1	take	take	VERB
ajst-14147	116	2	turbocharging	turbocharging	NOUN
ajst-14147	116	3	as	as	ADP
ajst-14147	116	4	an	an	DET
ajst-14147	116	5	example	example	NOUN
ajst-14147	116	6	;	;	PUNCT
ajst-14147	116	7	its	its	PRON
ajst-14147	116	8	principle	principle	NOUN
ajst-14147	116	9	involves	involve	VERB
ajst-14147	116	10	utilizing	utilize	VERB
ajst-14147	116	11	the	the	DET
ajst-14147	116	12	kinetic	kinetic	ADJ
ajst-14147	116	13	and	and	CCONJ
ajst-14147	116	14	thermal	thermal	ADJ
ajst-14147	116	15	energy	energy	NOUN
ajst-14147	116	16	carried	carry	VERB
ajst-14147	116	17	by	by	ADP
ajst-14147	116	18	exhaust	exhaust	NOUN
ajst-14147	116	19	gases	gas	NOUN
ajst-14147	116	20	to	to	PART
ajst-14147	116	21	compress	compress	VERB
ajst-14147	116	22	intake	intake	ADJ
ajst-14147	116	23	air	air	NOUN
ajst-14147	116	24	.	.	PUNCT
ajst-14147	117	1	therefore	therefore	ADV
ajst-14147	117	2	,	,	PUNCT
ajst-14147	117	3	whether	whether	SCONJ
ajst-14147	117	4	it	it	PRON
ajst-14147	117	5	's	be	AUX
ajst-14147	117	6	traditional	traditional	ADJ
ajst-14147	117	7	fossil	fossil	ADJ
ajst-14147	117	8	fuels	fuel	NOUN
ajst-14147	117	9	like	like	ADP
ajst-14147	117	10	petroleum	petroleum	NOUN
ajst-14147	117	11	or	or	CCONJ
ajst-14147	117	12	new	new	ADJ
ajst-14147	117	13	energy	energy	NOUN
ajst-14147	117	14	sources	source	NOUN
ajst-14147	117	15	like	like	ADP
ajst-14147	117	16	hydrogen	hydrogen	NOUN
ajst-14147	117	17	or	or	CCONJ
ajst-14147	117	18	natural	natural	ADJ
ajst-14147	117	19	gas	gas	NOUN
ajst-14147	117	20	,	,	PUNCT
ajst-14147	117	21	they	they	PRON
ajst-14147	117	22	can	can	AUX
ajst-14147	117	23	all	all	ADV
ajst-14147	117	24	generate	generate	VERB
ajst-14147	117	25	equivalent	equivalent	ADJ
ajst-14147	117	26	heat	heat	NOUN
ajst-14147	117	27	to	to	PART
ajst-14147	117	28	sustain	sustain	VERB
ajst-14147	117	29	a	a	DET
ajst-14147	117	30	turbocharging	turbocharging	NOUN
ajst-14147	117	31	system	system	NOUN
ajst-14147	117	32	.	.	PUNCT
ajst-14147	118	1	in	in	ADP
ajst-14147	118	2	conclusion	conclusion	NOUN
ajst-14147	118	3	,	,	PUNCT
ajst-14147	118	4	the	the	DET
ajst-14147	118	5	automotive	automotive	ADJ
ajst-14147	118	6	industry	industry	NOUN
ajst-14147	118	7	is	be	AUX
ajst-14147	118	8	in	in	ADP
ajst-14147	118	9	a	a	DET
ajst-14147	118	10	transitional	transitional	ADJ
ajst-14147	118	11	phase	phase	NOUN
ajst-14147	118	12	,	,	PUNCT
ajst-14147	118	13	evolving	evolve	VERB
ajst-14147	118	14	from	from	ADP
ajst-14147	118	15	traditional	traditional	ADJ
ajst-14147	118	16	engines	engine	NOUN
ajst-14147	118	17	to	to	ADP
ajst-14147	118	18	new	new	ADJ
ajst-14147	118	19	energy	energy	NOUN
ajst-14147	118	20	engines	engine	NOUN
ajst-14147	118	21	,	,	PUNCT
ajst-14147	118	22	and	and	CCONJ
ajst-14147	118	23	embracing	embrace	VERB
ajst-14147	118	24	more	more	ADV
ajst-14147	118	25	sustainable	sustainable	ADJ
ajst-14147	118	26	and	and	CCONJ
ajst-14147	118	27	environmentally	environmentally	ADV
ajst-14147	118	28	friendly	friendly	ADJ
ajst-14147	118	29	technologies	technology	NOUN
ajst-14147	118	30	.	.	PUNCT
ajst-14147	119	1	the	the	DET
ajst-14147	119	2	development	development	NOUN
ajst-14147	119	3	of	of	ADP
ajst-14147	119	4	these	these	DET
ajst-14147	119	5	new	new	ADJ
ajst-14147	119	6	energy	energy	NOUN
ajst-14147	119	7	engines	engine	NOUN
ajst-14147	119	8	will	will	AUX
ajst-14147	119	9	not	not	PART
ajst-14147	119	10	only	only	ADV
ajst-14147	119	11	reduce	reduce	VERB
ajst-14147	119	12	carbon	carbon	NOUN
ajst-14147	119	13	emissions	emission	NOUN
ajst-14147	119	14	but	but	CCONJ
ajst-14147	119	15	also	also	ADV
ajst-14147	119	16	redefine	redefine	VERB
ajst-14147	119	17	the	the	DET
ajst-14147	119	18	future	future	NOUN
ajst-14147	119	19	of	of	ADP
ajst-14147	119	20	mobility	mobility	NOUN
ajst-14147	119	21	,	,	PUNCT
ajst-14147	119	22	with	with	ADP
ajst-14147	119	23	a	a	DET
ajst-14147	119	24	focus	focus	NOUN
ajst-14147	119	25	on	on	ADP
ajst-14147	119	26	energy	energy	NOUN
ajst-14147	119	27	efficiency	efficiency	NOUN
ajst-14147	119	28	,	,	PUNCT
ajst-14147	119	29	reduced	reduce	VERB
ajst-14147	119	30	environmental	environmental	ADJ
ajst-14147	119	31	impact	impact	NOUN
ajst-14147	119	32	,	,	PUNCT
ajst-14147	119	33	and	and	CCONJ
ajst-14147	119	34	enhanced	enhanced	ADJ
ajst-14147	119	35	performance	performance	NOUN
ajst-14147	119	36	.	.	PUNCT
ajst-14147	120	1	references	reference	NOUN
ajst-14147	120	2	[	[	X
ajst-14147	120	3	1	1	NUM
ajst-14147	120	4	]	]	X
ajst-14147	120	5	zou	zou	PROPN
ajst-14147	120	6	,	,	PUNCT
ajst-14147	120	7	b.	b.	PROPN
ajst-14147	120	8	,	,	PUNCT
ajst-14147	120	9	li	li	PROPN
ajst-14147	120	10	,	,	PUNCT
ajst-14147	120	11	j.	j.	PROPN
ajst-14147	120	12	,	,	PUNCT
ajst-14147	120	13	li	li	PROPN
ajst-14147	120	14	,	,	PUNCT
ajst-14147	120	15	k.	k.	PROPN
ajst-14147	120	16	,	,	PUNCT
ajst-14147	120	17	et	et	PROPN
ajst-14147	120	18	al	al	PROPN
ajst-14147	120	19	.	.	PUNCT
ajst-14147	121	1	(	(	PUNCT
ajst-14147	121	2	2011	2011	NUM
ajst-14147	121	3	)	)	PUNCT
ajst-14147	121	4	.	.	PUNCT
ajst-14147	122	1	development	development	NOUN
ajst-14147	122	2	of	of	ADP
ajst-14147	122	3	direct	direct	ADJ
ajst-14147	122	4	injection	injection	NOUN
ajst-14147	122	5	natural	natural	ADJ
ajst-14147	122	6	gas	gas	NOUN
ajst-14147	122	7	engine	engine	NOUN
ajst-14147	122	8	in	in	ADP
ajst-14147	122	9	cylinder	cylinder	NOUN
ajst-14147	122	10	.	.	PUNCT
ajst-14147	123	1	automotive	automotive	ADJ
ajst-14147	123	2	technology	technology	NOUN
ajst-14147	123	3	,	,	PUNCT
ajst-14147	123	4	5(1	5(1	NUM
ajst-14147	123	5	)	)	PUNCT
ajst-14147	123	6	,	,	PUNCT
ajst-14147	123	7	1	1	NUM
ajst-14147	123	8	-	-	SYM
ajst-14147	123	9	4	4	NUM
ajst-14147	123	10	.	.	PUNCT
ajst-14147	124	1	[	[	X
ajst-14147	124	2	2	2	NUM
ajst-14147	124	3	]	]	X
ajst-14147	124	4	song	song	NOUN
ajst-14147	124	5	,	,	PUNCT
ajst-14147	124	6	g.	g.	PROPN
ajst-14147	124	7	,	,	PUNCT
ajst-14147	124	8	liu	liu	PROPN
ajst-14147	124	9	,	,	PUNCT
ajst-14147	124	10	s.	s.	PROPN
ajst-14147	124	11	,	,	PUNCT
ajst-14147	124	12	su	su	PROPN
ajst-14147	124	13	,	,	PUNCT
ajst-14147	124	14	d.	d.	PROPN
ajst-14147	124	15	,	,	PUNCT
ajst-14147	124	16	et	et	PROPN
ajst-14147	124	17	al	al	PROPN
ajst-14147	124	18	.	.	PROPN
ajst-14147	124	19	(	(	PUNCT
ajst-14147	124	20	2021	2021	NUM
ajst-14147	124	21	)	)	PUNCT
ajst-14147	124	22	.	.	PUNCT
ajst-14147	125	1	review	review	NOUN
ajst-14147	125	2	of	of	ADP
ajst-14147	125	3	research	research	NOUN
ajst-14147	125	4	on	on	ADP
ajst-14147	125	5	direct	direct	ADJ
ajst-14147	125	6	injection	injection	NOUN
ajst-14147	125	7	natural	natural	ADJ
ajst-14147	125	8	gas	gas	NOUN
ajst-14147	125	9	engines	engine	NOUN
ajst-14147	125	10	.	.	PUNCT
ajst-14147	126	1	internal	internal	ADJ
ajst-14147	126	2	combustion	combustion	NOUN
ajst-14147	126	3	engines	engine	NOUN
ajst-14147	126	4	and	and	CCONJ
ajst-14147	126	5	accessories	accessory	NOUN
ajst-14147	126	6	,	,	PUNCT
ajst-14147	126	7	15(45	15(45	NUM
ajst-14147	126	8	-	-	SYM
ajst-14147	126	9	46	46	NUM
ajst-14147	126	10	)	)	PUNCT
ajst-14147	126	11	.	.	PUNCT
ajst-14147	127	1	[	[	X
ajst-14147	127	2	3	3	NUM
ajst-14147	127	3	]	]	X
ajst-14147	127	4	mctaggart	mctaggart	NOUN
ajst-14147	127	5	-	-	PUNCT
ajst-14147	127	6	cowan	cowan	PROPN
ajst-14147	127	7	,	,	PUNCT
ajst-14147	127	8	g.	g.	PROPN
ajst-14147	127	9	,	,	PUNCT
ajst-14147	127	10	mann	mann	PROPN
ajst-14147	127	11	,	,	PUNCT
ajst-14147	127	12	k.	k.	PROPN
ajst-14147	127	13	,	,	PUNCT
ajst-14147	127	14	huang	huang	PROPN
ajst-14147	127	15	,	,	PUNCT
ajst-14147	127	16	j.	j.	PROPN
ajst-14147	127	17	,	,	PUNCT
ajst-14147	127	18	et	et	PROPN
ajst-14147	127	19	al	al	PROPN
ajst-14147	127	20	.	.	PUNCT
ajst-14147	127	21	(	(	PUNCT
ajst-14147	127	22	2015	2015	NUM
ajst-14147	127	23	)	)	PUNCT
ajst-14147	127	24	.	.	PUNCT
ajst-14147	128	1	direct	direct	ADJ
ajst-14147	128	2	injection	injection	NOUN
ajst-14147	128	3	of	of	ADP
ajst-14147	128	4	natural	natural	ADJ
ajst-14147	128	5	gas	gas	NOUN
ajst-14147	128	6	at	at	ADP
ajst-14147	128	7	up	up	ADP
ajst-14147	128	8	to	to	PART
ajst-14147	128	9	600	600	NUM
ajst-14147	128	10	bar	bar	NOUN
ajst-14147	128	11	in	in	ADP
ajst-14147	128	12	a	a	DET
ajst-14147	128	13	pilotignited	pilotignite	VERB
ajst-14147	128	14	heavy	heavy	ADJ
ajst-14147	128	15	-	-	PUNCT
ajst-14147	128	16	duty	duty	NOUN
ajst-14147	128	17	engine	engine	NOUN
ajst-14147	128	18	.	.	PUNCT
ajst-14147	129	1	sae	sae	PROPN
ajst-14147	129	2	international	international	PROPN
ajst-14147	129	3	journal	journal	PROPN
ajst-14147	129	4	of	of	ADP
ajst-14147	129	5	engines	engine	NOUN
ajst-14147	129	6	,	,	PUNCT
ajst-14147	129	7	8(3	8(3	NUM
ajst-14147	129	8	)	)	PUNCT
ajst-14147	129	9	,	,	PUNCT
ajst-14147	129	10	981	981	NUM
ajst-14147	129	11	-	-	SYM
ajst-14147	129	12	996	996	NUM
ajst-14147	129	13	.	.	PUNCT
ajst-14147	130	1	[	[	X
ajst-14147	130	2	4	4	NUM
ajst-14147	130	3	]	]	X
ajst-14147	130	4	patychuk	patychuk	NOUN
ajst-14147	130	5	,	,	PUNCT
ajst-14147	130	6	b.	b.	PROPN
ajst-14147	130	7	,	,	PUNCT
ajst-14147	130	8	wu	wu	PROPN
ajst-14147	130	9	,	,	PUNCT
ajst-14147	130	10	n.	n.	NOUN
ajst-14147	130	11	,	,	PUNCT
ajst-14147	130	12	mctaggart	mctaggart	NOUN
ajst-14147	130	13	-	-	PUNCT
ajst-14147	130	14	cowan	cowan	PROPN
ajst-14147	130	15	,	,	PUNCT
ajst-14147	130	16	g.	g.	PROPN
ajst-14147	130	17	,	,	PUNCT
ajst-14147	130	18	et	et	PROPN
ajst-14147	130	19	al	al	PROPN
ajst-14147	130	20	.	.	PUNCT
ajst-14147	130	21	(	(	PUNCT
ajst-14147	130	22	2015	2015	NUM
ajst-14147	130	23	)	)	PUNCT
ajst-14147	130	24	.	.	PUNCT
ajst-14147	131	1	intake	intake	NOUN
ajst-14147	131	2	and	and	CCONJ
ajst-14147	131	3	exhaust	exhaust	NOUN
ajst-14147	131	4	valve	valve	NOUN
ajst-14147	131	5	timing	time	VERB
ajst-14147	131	6	control	control	NOUN
ajst-14147	131	7	on	on	ADP
ajst-14147	131	8	a	a	DET
ajst-14147	131	9	heavy	heavy	ADJ
ajst-14147	131	10	-	-	PUNCT
ajst-14147	131	11	duty	duty	NOUN
ajst-14147	131	12	,	,	PUNCT
ajst-14147	131	13	direct	direct	ADJ
ajst-14147	131	14	-	-	PUNCT
ajst-14147	131	15	injection	injection	NOUN
ajst-14147	131	16	natural	natural	ADJ
ajst-14147	131	17	gas	gas	NOUN
ajst-14147	131	18	engine	engine	NOUN
ajst-14147	131	19	.	.	PUNCT
ajst-14147	132	1	sae	sae	PROPN
ajst-14147	132	2	technical	technical	PROPN
ajst-14147	132	3	paper	paper	NOUN
ajst-14147	132	4	.	.	PUNCT
ajst-14147	133	1	[	[	X
ajst-14147	133	2	5	5	NUM
ajst-14147	133	3	]	]	SYM
ajst-14147	133	4	chen	chen	PROPN
ajst-14147	133	5	,	,	PUNCT
ajst-14147	133	6	c.	c.	PROPN
ajst-14147	133	7	(	(	PUNCT
ajst-14147	133	8	2011	2011	NUM
ajst-14147	133	9	)	)	PUNCT
ajst-14147	133	10	.	.	PUNCT
ajst-14147	134	1	simulation	simulation	NOUN
ajst-14147	134	2	study	study	NOUN
ajst-14147	134	3	on	on	ADP
ajst-14147	134	4	combustion	combustion	NOUN
ajst-14147	134	5	process	process	NOUN
ajst-14147	134	6	of	of	ADP
ajst-14147	134	7	diesel	diesel	NOUN
ajst-14147	134	8	micro	micro	NOUN
ajst-14147	134	9	-	-	NOUN
ajst-14147	134	10	pilot	pilot	ADJ
ajst-14147	134	11	cylinder	cylinder	NOUN
ajst-14147	134	12	-	-	PUNCT
ajst-14147	134	13	internal	internal	ADJ
ajst-14147	134	14	direct	direct	ADJ
ajst-14147	134	15	injection	injection	NOUN
ajst-14147	134	16	natural	natural	ADJ
ajst-14147	134	17	gas	gas	NOUN
ajst-14147	134	18	engine	engine	NOUN
ajst-14147	134	19	.	.	PUNCT
ajst-14147	135	1	thesis	thesis	NOUN
ajst-14147	135	2	of	of	ADP
ajst-14147	135	3	jilin	jilin	PROPN
ajst-14147	135	4	university	university	PROPN
ajst-14147	135	5	.	.	PUNCT
ajst-14147	136	1	[	[	X
ajst-14147	136	2	6	6	NUM
ajst-14147	136	3	]	]	SYM
ajst-14147	136	4	lounici	lounici	NOUN
ajst-14147	136	5	,	,	PUNCT
ajst-14147	136	6	m.	m.	NOUN
ajst-14147	136	7	,	,	PUNCT
ajst-14147	136	8	benbellil	benbellil	NOUN
ajst-14147	136	9	,	,	PUNCT
ajst-14147	136	10	m.	m.	NOUN
ajst-14147	136	11	,	,	PUNCT
ajst-14147	136	12	loubar	loubar	NOUN
ajst-14147	136	13	,	,	PUNCT
ajst-14147	136	14	k.	k.	PROPN
ajst-14147	136	15	,	,	PUNCT
ajst-14147	136	16	et	et	PROPN
ajst-14147	136	17	al	al	PROPN
ajst-14147	136	18	.	.	PUNCT
ajst-14147	136	19	(	(	PUNCT
ajst-14147	136	20	2017	2017	NUM
ajst-14147	136	21	)	)	PUNCT
ajst-14147	136	22	.	.	PUNCT
ajst-14147	137	1	knock	knock	VERB
ajst-14147	137	2	characterization	characterization	NOUN
ajst-14147	137	3	and	and	CCONJ
ajst-14147	137	4	development	development	NOUN
ajst-14147	137	5	of	of	ADP
ajst-14147	137	6	a	a	DET
ajst-14147	137	7	new	new	ADJ
ajst-14147	137	8	knock	knock	NOUN
ajst-14147	137	9	indicator	indicator	NOUN
ajst-14147	137	10	for	for	ADP
ajst-14147	137	11	dual	dual	ADJ
ajst-14147	137	12	-	-	PUNCT
ajst-14147	137	13	fuel	fuel	NOUN
ajst-14147	137	14	engines	engine	NOUN
ajst-14147	137	15	.	.	PUNCT
ajst-14147	138	1	energy	energy	NOUN
ajst-14147	138	2	,	,	PUNCT
ajst-14147	138	3	141	141	NUM
ajst-14147	138	4	,	,	PUNCT
ajst-14147	138	5	2351	2351	NUM
ajst-14147	138	6	-	-	SYM
ajst-14147	138	7	2361	2361	NUM
ajst-14147	138	8	.	.	PUNCT
ajst-14147	139	1	[	[	X
ajst-14147	139	2	7	7	NUM
ajst-14147	139	3	]	]	SYM
ajst-14147	139	4	ye	ye	NOUN
ajst-14147	139	5	,	,	PUNCT
ajst-14147	139	6	y.	y.	PROPN
ajst-14147	139	7	(	(	PUNCT
ajst-14147	139	8	2018	2018	NUM
ajst-14147	139	9	)	)	PUNCT
ajst-14147	139	10	.	.	PUNCT
ajst-14147	140	1	numerical	numerical	PROPN
ajst-14147	140	2	simulation	simulation	PROPN
ajst-14147	140	3	of	of	ADP
ajst-14147	140	4	pre	pre	ADJ
ajst-14147	140	5	-	-	ADJ
ajst-14147	140	6	chamber	chamber	NOUN
ajst-14147	140	7	system	system	NOUN
ajst-14147	140	8	in	in	ADP
ajst-14147	140	9	large	large	ADJ
ajst-14147	140	10	low	low	ADJ
ajst-14147	140	11	-	-	PUNCT
ajst-14147	140	12	speed	speed	NOUN
ajst-14147	140	13	dual	dual	ADJ
ajst-14147	140	14	-	-	PUNCT
ajst-14147	140	15	fuel	fuel	NOUN
ajst-14147	140	16	marine	marine	ADJ
ajst-14147	140	17	engine	engine	NOUN
ajst-14147	140	18	.	.	PUNCT
ajst-14147	141	1	thesis	thesis	NOUN
ajst-14147	141	2	of	of	ADP
ajst-14147	141	3	tianjin	tianjin	PROPN
ajst-14147	141	4	university	university	PROPN
ajst-14147	141	5	.	.	PUNCT
ajst-14147	142	1	140	140	NUM
ajst-14147	143	1	[	[	X
ajst-14147	143	2	8	8	NUM
ajst-14147	143	3	]	]	X
ajst-14147	143	4	liu	liu	PROPN
ajst-14147	143	5	,	,	PUNCT
ajst-14147	143	6	c.	c.	PROPN
ajst-14147	143	7	(	(	PUNCT
ajst-14147	143	8	2018	2018	NUM
ajst-14147	143	9	)	)	PUNCT
ajst-14147	143	10	.	.	PUNCT
ajst-14147	144	1	research	research	NOUN
ajst-14147	144	2	on	on	ADP
ajst-14147	144	3	key	key	ADJ
ajst-14147	144	4	technologies	technology	NOUN
ajst-14147	144	5	of	of	ADP
ajst-14147	144	6	hydraulic	hydraulic	ADJ
ajst-14147	144	7	variable	variable	ADJ
ajst-14147	144	8	valve	valve	NOUN
ajst-14147	144	9	timing	timing	NOUN
ajst-14147	144	10	drive	drive	NOUN
ajst-14147	144	11	.	.	PUNCT
ajst-14147	145	1	thesis	thesis	NOUN
ajst-14147	145	2	of	of	ADP
ajst-14147	145	3	tsinghua	tsinghua	PROPN
ajst-14147	145	4	university	university	PROPN
ajst-14147	145	5	.	.	PUNCT
ajst-14147	146	1	[	[	X
ajst-14147	146	2	9	9	NUM
ajst-14147	146	3	]	]	SYM
ajst-14147	146	4	tang	tang	NOUN
ajst-14147	146	5	,	,	PUNCT
ajst-14147	146	6	z.	z.	PROPN
ajst-14147	146	7	(	(	PUNCT
ajst-14147	146	8	2016	2016	NUM
ajst-14147	146	9	)	)	PUNCT
ajst-14147	146	10	.	.	PUNCT
ajst-14147	147	1	discussion	discussion	NOUN
ajst-14147	147	2	on	on	ADP
ajst-14147	147	3	intelligent	intelligent	ADJ
ajst-14147	147	4	variable	variable	ADJ
ajst-14147	147	5	valve	valve	NOUN
ajst-14147	147	6	timing	time	VERB
ajst-14147	147	7	technology	technology	NOUN
ajst-14147	147	8	.	.	PUNCT
ajst-14147	148	1	science	science	NOUN
ajst-14147	148	2	and	and	CCONJ
ajst-14147	148	3	technology	technology	NOUN
ajst-14147	148	4	outlook	outlook	NOUN
ajst-14147	148	5	,	,	PUNCT
ajst-14147	148	6	26(32	26(32	NUM
ajst-14147	148	7	)	)	PUNCT
ajst-14147	148	8	,	,	PUNCT
ajst-14147	148	9	111	111	NUM
ajst-14147	148	10	.	.	PUNCT
ajst-14147	149	1	[	[	X
ajst-14147	149	2	10	10	NUM
ajst-14147	149	3	]	]	X
ajst-14147	149	4	zhang	zhang	PROPN
ajst-14147	149	5	,	,	PUNCT
ajst-14147	149	6	y.	y.	PROPN
ajst-14147	149	7	(	(	PUNCT
ajst-14147	149	8	2009	2009	NUM
ajst-14147	149	9	)	)	PUNCT
ajst-14147	149	10	.	.	PUNCT
ajst-14147	150	1	analysis	analysis	NOUN
ajst-14147	150	2	of	of	ADP
ajst-14147	150	3	variable	variable	ADJ
ajst-14147	150	4	valve	valve	NOUN
ajst-14147	150	5	timing	timing	NOUN
ajst-14147	150	6	and	and	CCONJ
ajst-14147	150	7	lift	lift	VERB
ajst-14147	150	8	technology	technology	NOUN
ajst-14147	150	9	.	.	PUNCT
ajst-14147	151	1	science	science	NOUN
ajst-14147	151	2	and	and	CCONJ
ajst-14147	151	3	technology	technology	PROPN
ajst-14147	151	4	innovation	innovation	NOUN
ajst-14147	151	5	herald	herald	PROPN
ajst-14147	151	6	,	,	PUNCT
ajst-14147	151	7	36(63	36(63	NOUN
ajst-14147	151	8	+	+	NOUN
ajst-14147	151	9	65	65	NUM
ajst-14147	151	10	)	)	PUNCT
ajst-14147	151	11	.	.	PUNCT