id	sid	tid	token	lemma	pos
cet-14694	1	1	doi	doi	NOUN
cet-14694	1	2	:	:	PUNCT
cet-14694	1	3	10.3303	10.3303	NUM
cet-14694	1	4	/	/	SYM
cet-14694	1	5	cet24111075	cet24111075	VERB
cet-14694	1	6	paper	paper	NOUN
cet-14694	1	7	received	receive	VERB
cet-14694	1	8	:	:	PUNCT
cet-14694	1	9	22	22	NUM
cet-14694	1	10	february	february	NOUN
cet-14694	1	11	2024	2024	NUM
cet-14694	1	12	;	;	PUNCT
cet-14694	1	13	revised	revise	VERB
cet-14694	1	14	:	:	PUNCT
cet-14694	1	15	31	31	NUM
cet-14694	1	16	march	march	NOUN
cet-14694	1	17	2024	2024	NUM
cet-14694	1	18	;	;	PUNCT
cet-14694	1	19	accepted	accept	VERB
cet-14694	1	20	:	:	PUNCT
cet-14694	1	21	29	29	NUM
cet-14694	1	22	june	june	PROPN
cet-14694	1	23	2024	2024	NUM
cet-14694	1	24	please	please	INTJ
cet-14694	1	25	cite	cite	VERB
cet-14694	1	26	this	this	DET
cet-14694	1	27	article	article	NOUN
cet-14694	1	28	as	as	ADP
cet-14694	1	29	:	:	PUNCT
cet-14694	1	30	santana	santana	PROPN
cet-14694	1	31	l.o	l.o	PROPN
cet-14694	1	32	.	.	PROPN
cet-14694	1	33	,	,	PUNCT
cet-14694	1	34	niekraszewicz	niekraszewicz	PROPN
cet-14694	1	35	g.s	g.s	PROPN
cet-14694	1	36	.	.	PROPN
cet-14694	1	37	,	,	PUNCT
cet-14694	1	38	rezende	rezende	PROPN
cet-14694	1	39	i.j	i.j	PROPN
cet-14694	1	40	.	.	PROPN
cet-14694	1	41	,	,	PUNCT
cet-14694	1	42	bastos	bastos	PROPN
cet-14694	1	43	l.r	l.r	PROPN
cet-14694	1	44	.	.	PROPN
cet-14694	1	45	,	,	PUNCT
cet-14694	1	46	ett	ett	PROPN
cet-14694	1	47	g.	g.	PROPN
cet-14694	1	48	,	,	PUNCT
cet-14694	1	49	pessoa	pessoa	PROPN
cet-14694	1	50	f.l	f.l	PROPN
cet-14694	1	51	.	.	PROPN
cet-14694	1	52	,	,	PUNCT
cet-14694	1	53	2024	2024	NUM
cet-14694	1	54	,	,	PUNCT
cet-14694	1	55	design	design	NOUN
cet-14694	1	56	considerations	consideration	NOUN
cet-14694	1	57	to	to	PART
cet-14694	1	58	ensure	ensure	VERB
cet-14694	1	59	a	a	DET
cet-14694	1	60	safe	safe	ADJ
cet-14694	1	61	and	and	CCONJ
cet-14694	1	62	effective	effective	ADJ
cet-14694	1	63	piping	piping	NOUN
cet-14694	1	64	system	system	NOUN
cet-14694	1	65	for	for	ADP
cet-14694	1	66	a	a	DET
cet-14694	1	67	self	self	NOUN
cet-14694	1	68	-	-	PUNCT
cet-14694	1	69	humidifying	humidify	VERB
cet-14694	1	70	pemfc	pemfc	NOUN
cet-14694	1	71	,	,	PUNCT
cet-14694	1	72	chemical	chemical	ADJ
cet-14694	1	73	engineering	engineering	NOUN
cet-14694	1	74	transactions	transaction	NOUN
cet-14694	1	75	,	,	PUNCT
cet-14694	1	76	111	111	NUM
cet-14694	1	77	,	,	PUNCT
cet-14694	1	78	445	445	NUM
cet-14694	1	79	-	-	SYM
cet-14694	1	80	450	450	NUM
cet-14694	1	81	doi:10.3303	doi:10.3303	NOUN
cet-14694	1	82	/	/	SYM
cet-14694	1	83	cet24111075	cet24111075	VERB
cet-14694	1	84	chemical	chemical	NOUN
cet-14694	1	85	engineering	engineering	NOUN
cet-14694	1	86	transactions	transaction	NOUN
cet-14694	1	87	vol	vol	NOUN
cet-14694	1	88	.	.	PROPN
cet-14694	1	89	111	111	NUM
cet-14694	1	90	,	,	PUNCT
cet-14694	1	91	2024	2024	NUM
cet-14694	1	92	a	a	DET
cet-14694	1	93	publication	publication	NOUN
cet-14694	1	94	of	of	ADP
cet-14694	1	95	the	the	DET
cet-14694	1	96	italian	italian	ADJ
cet-14694	1	97	association	association	NOUN
cet-14694	1	98	of	of	ADP
cet-14694	1	99	chemical	chemical	PROPN
cet-14694	1	100	engineering	engineering	NOUN
cet-14694	1	101	online	online	ADV
cet-14694	1	102	at	at	ADP
cet-14694	1	103	www.cetjournal.it	www.cetjournal.it	PROPN
cet-14694	1	104	guest	guest	NOUN
cet-14694	1	105	editors	editor	NOUN
cet-14694	1	106	:	:	PUNCT
cet-14694	1	107	valerio	valerio	PROPN
cet-14694	1	108	cozzani	cozzani	PROPN
cet-14694	1	109	,	,	PUNCT
cet-14694	1	110	bruno	bruno	PROPN
cet-14694	1	111	fabiano	fabiano	PROPN
cet-14694	1	112	,	,	PUNCT
cet-14694	1	113	genserik	genserik	PROPN
cet-14694	1	114	reniers	renier	NOUN
cet-14694	1	115	copyright	copyright	NOUN
cet-14694	1	116	©	©	PROPN
cet-14694	1	117	2024	2024	NUM
cet-14694	1	118	,	,	PUNCT
cet-14694	1	119	aidic	aidic	ADJ
cet-14694	1	120	servizi	servizi	PROPN
cet-14694	1	121	s.r.l	s.r.l	NOUN
cet-14694	1	122	.	.	PUNCT
cet-14694	2	1	isbn	isbn	PROPN
cet-14694	2	2	979	979	NUM
cet-14694	2	3	-	-	SYM
cet-14694	2	4	12	12	NUM
cet-14694	2	5	-	-	PUNCT
cet-14694	2	6	81206	81206	NUM
cet-14694	2	7	-	-	SYM
cet-14694	2	8	11	11	NUM
cet-14694	2	9	-	-	SYM
cet-14694	2	10	3	3	NUM
cet-14694	2	11	;	;	PUNCT
cet-14694	2	12	issn	issn	PROPN
cet-14694	2	13	2283	2283	NUM
cet-14694	2	14	-	-	SYM
cet-14694	2	15	9216	9216	NUM
cet-14694	2	16	design	design	NOUN
cet-14694	2	17	considerations	consideration	NOUN
cet-14694	2	18	to	to	PART
cet-14694	2	19	ensure	ensure	VERB
cet-14694	2	20	a	a	DET
cet-14694	2	21	safe	safe	ADJ
cet-14694	2	22	and	and	CCONJ
cet-14694	2	23	effective	effective	ADJ
cet-14694	2	24	piping	piping	NOUN
cet-14694	2	25	system	system	NOUN
cet-14694	2	26	for	for	ADP
cet-14694	2	27	a	a	DET
cet-14694	2	28	self	self	NOUN
cet-14694	2	29	-	-	PUNCT
cet-14694	2	30	humidifying	humidify	VERB
cet-14694	2	31	pemfc	pemfc	NOUN
cet-14694	2	32	leonardo	leonardo	PROPN
cet-14694	2	33	o.	o.	PROPN
cet-14694	2	34	s.	s.	PROPN
cet-14694	2	35	santanaa	santanaa	PROPN
cet-14694	2	36	,	,	PUNCT
cet-14694	2	37	*	*	PROPN
cet-14694	2	38	,	,	PUNCT
cet-14694	2	39	guilherme	guilherme	PROPN
cet-14694	2	40	s.	s.	PROPN
cet-14694	2	41	niekraszewicz	niekraszewicz	PROPN
cet-14694	2	42	,	,	PUNCT
cet-14694	2	43	ian	ian	PROPN
cet-14694	2	44	j.	j.	PROPN
cet-14694	2	45	d.	d.	PROPN
cet-14694	2	46	rezende	rezende	PROPN
cet-14694	2	47	,	,	PUNCT
cet-14694	2	48	lucca	lucca	PROPN
cet-14694	2	49	r.	r.	PROPN
cet-14694	2	50	s.	s.	PROPN
cet-14694	2	51	a.	a.	PROPN
cet-14694	2	52	bastos	bastos	PROPN
cet-14694	2	53	,	,	PUNCT
cet-14694	2	54	gerhard	gerhard	PROPN
cet-14694	2	55	ett	ett	PROPN
cet-14694	2	56	,	,	PUNCT
cet-14694	2	57	fernando	fernando	PROPN
cet-14694	2	58	l.	l.	PROPN
cet-14694	2	59	p.	p.	PROPN
cet-14694	2	60	pessoaa	pessoaa	PROPN
cet-14694	2	61	senai	senai	ADJ
cet-14694	2	62	-	-	ADJ
cet-14694	2	63	cimatec	cimatec	ADJ
cet-14694	2	64	university	university	NOUN
cet-14694	2	65	center	center	NOUN
cet-14694	2	66	,	,	PUNCT
cet-14694	2	67	brazil	brazil	PROPN
cet-14694	2	68	leosantana049@gmail.com	leosantana049@gmail.com	PUNCT
cet-14694	2	69	fuel	fuel	NOUN
cet-14694	2	70	cell	cell	NOUN
cet-14694	2	71	systems	system	NOUN
cet-14694	2	72	,	,	PUNCT
cet-14694	2	73	particularly	particularly	ADV
cet-14694	2	74	in	in	ADP
cet-14694	2	75	stationary	stationary	ADJ
cet-14694	2	76	power	power	NOUN
cet-14694	2	77	and	and	CCONJ
cet-14694	2	78	transport	transport	NOUN
cet-14694	2	79	applications	application	NOUN
cet-14694	2	80	,	,	PUNCT
cet-14694	2	81	are	be	AUX
cet-14694	2	82	becoming	become	VERB
cet-14694	2	83	increasingly	increasingly	ADV
cet-14694	2	84	prevalent	prevalent	ADJ
cet-14694	2	85	for	for	ADP
cet-14694	2	86	hydrogen	hydrogen	NOUN
cet-14694	2	87	utilization	utilization	NOUN
cet-14694	2	88	.	.	PUNCT
cet-14694	3	1	however	however	ADV
cet-14694	3	2	,	,	PUNCT
cet-14694	3	3	designing	design	VERB
cet-14694	3	4	reliable	reliable	ADJ
cet-14694	3	5	and	and	CCONJ
cet-14694	3	6	leak	leak	NOUN
cet-14694	3	7	-	-	PUNCT
cet-14694	3	8	tight	tight	NOUN
cet-14694	3	9	hydrogen	hydrogen	NOUN
cet-14694	3	10	fuel	fuel	NOUN
cet-14694	3	11	cell	cell	NOUN
cet-14694	3	12	vehicles	vehicle	NOUN
cet-14694	3	13	and	and	CCONJ
cet-14694	3	14	infrastructure	infrastructure	NOUN
cet-14694	3	15	presents	present	VERB
cet-14694	3	16	significant	significant	ADJ
cet-14694	3	17	challenges	challenge	NOUN
cet-14694	3	18	due	due	ADP
cet-14694	3	19	to	to	ADP
cet-14694	3	20	the	the	DET
cet-14694	3	21	small	small	ADJ
cet-14694	3	22	molecule	molecule	NOUN
cet-14694	3	23	nature	nature	NOUN
cet-14694	3	24	of	of	ADP
cet-14694	3	25	hydrogen	hydrogen	NOUN
cet-14694	3	26	,	,	PUNCT
cet-14694	3	27	which	which	PRON
cet-14694	3	28	can	can	AUX
cet-14694	3	29	easily	easily	ADV
cet-14694	3	30	permeate	permeate	VERB
cet-14694	3	31	through	through	ADP
cet-14694	3	32	even	even	ADV
cet-14694	3	33	the	the	DET
cet-14694	3	34	smallest	small	ADJ
cet-14694	3	35	fissures	fissure	NOUN
cet-14694	3	36	.	.	PUNCT
cet-14694	4	1	proton	proton	NOUN
cet-14694	4	2	exchange	exchange	NOUN
cet-14694	4	3	membrane	membrane	NOUN
cet-14694	4	4	fuel	fuel	NOUN
cet-14694	4	5	cells	cell	NOUN
cet-14694	4	6	(	(	PUNCT
cet-14694	4	7	pemfcs	pemfc	NOUN
cet-14694	4	8	)	)	PUNCT
cet-14694	4	9	operate	operate	VERB
cet-14694	4	10	at	at	ADP
cet-14694	4	11	low	low	ADJ
cet-14694	4	12	temperatures	temperature	NOUN
cet-14694	4	13	and	and	CCONJ
cet-14694	4	14	pressures	pressure	NOUN
cet-14694	4	15	,	,	PUNCT
cet-14694	4	16	necessitating	necessitate	VERB
cet-14694	4	17	precise	precise	ADJ
cet-14694	4	18	fuel	fuel	NOUN
cet-14694	4	19	flow	flow	NOUN
cet-14694	4	20	control	control	NOUN
cet-14694	4	21	for	for	ADP
cet-14694	4	22	optimal	optimal	ADJ
cet-14694	4	23	performance	performance	NOUN
cet-14694	4	24	.	.	PUNCT
cet-14694	5	1	thus	thus	ADV
cet-14694	5	2	,	,	PUNCT
cet-14694	5	3	the	the	DET
cet-14694	5	4	performance	performance	NOUN
cet-14694	5	5	of	of	ADP
cet-14694	5	6	fittings	fitting	NOUN
cet-14694	5	7	in	in	ADP
cet-14694	5	8	high	high	ADJ
cet-14694	5	9	-	-	PUNCT
cet-14694	5	10	pressure	pressure	NOUN
cet-14694	5	11	hydrogen	hydrogen	NOUN
cet-14694	5	12	fuel	fuel	NOUN
cet-14694	5	13	systems	system	NOUN
cet-14694	5	14	is	be	AUX
cet-14694	5	15	crucial	crucial	ADJ
cet-14694	5	16	.	.	PUNCT
cet-14694	6	1	this	this	DET
cet-14694	6	2	paper	paper	NOUN
cet-14694	6	3	explores	explore	NOUN
cet-14694	6	4	design	design	VERB
cet-14694	6	5	considerations	consideration	NOUN
cet-14694	6	6	to	to	PART
cet-14694	6	7	ensure	ensure	VERB
cet-14694	6	8	safety	safety	NOUN
cet-14694	6	9	and	and	CCONJ
cet-14694	6	10	efficiency	efficiency	NOUN
cet-14694	6	11	in	in	ADP
cet-14694	6	12	fuel	fuel	NOUN
cet-14694	6	13	cell	cell	NOUN
cet-14694	6	14	systems	system	NOUN
cet-14694	6	15	,	,	PUNCT
cet-14694	6	16	focusing	focus	VERB
cet-14694	6	17	on	on	ADP
cet-14694	6	18	components	component	NOUN
cet-14694	6	19	and	and	CCONJ
cet-14694	6	20	materials	material	NOUN
cet-14694	6	21	in	in	ADP
cet-14694	6	22	fuel	fuel	NOUN
cet-14694	6	23	piping	piping	NOUN
cet-14694	6	24	,	,	PUNCT
cet-14694	6	25	while	while	SCONJ
cet-14694	6	26	adhering	adhere	VERB
cet-14694	6	27	to	to	ADP
cet-14694	6	28	relevant	relevant	ADJ
cet-14694	6	29	standards	standard	NOUN
cet-14694	6	30	and	and	CCONJ
cet-14694	6	31	regulations	regulation	NOUN
cet-14694	6	32	.	.	PUNCT
cet-14694	7	1	a	a	DET
cet-14694	7	2	proposed	propose	VERB
cet-14694	7	3	fluid	fluid	NOUN
cet-14694	7	4	system	system	NOUN
cet-14694	7	5	solution	solution	NOUN
cet-14694	7	6	is	be	AUX
cet-14694	7	7	also	also	ADV
cet-14694	7	8	presented	present	VERB
cet-14694	7	9	.	.	PUNCT
cet-14694	8	1	1	1	X
cet-14694	8	2	.	.	X
cet-14694	8	3	introduction	introduction	NOUN
cet-14694	8	4	a	a	DET
cet-14694	8	5	fuel	fuel	NOUN
cet-14694	8	6	cell	cell	NOUN
cet-14694	8	7	(	(	PUNCT
cet-14694	8	8	fc	fc	INTJ
cet-14694	8	9	)	)	PUNCT
cet-14694	8	10	is	be	AUX
cet-14694	8	11	an	an	DET
cet-14694	8	12	electrochemical	electrochemical	ADJ
cet-14694	8	13	device	device	NOUN
cet-14694	8	14	that	that	PRON
cet-14694	8	15	converts	convert	VERB
cet-14694	8	16	chemical	chemical	ADJ
cet-14694	8	17	energy	energy	NOUN
cet-14694	8	18	into	into	ADP
cet-14694	8	19	electrical	electrical	ADJ
cet-14694	8	20	energy	energy	NOUN
cet-14694	8	21	.	.	PUNCT
cet-14694	9	1	in	in	ADP
cet-14694	9	2	a	a	DET
cet-14694	9	3	fuel	fuel	NOUN
cet-14694	9	4	cell	cell	NOUN
cet-14694	9	5	,	,	PUNCT
cet-14694	9	6	the	the	DET
cet-14694	9	7	fuel	fuel	NOUN
cet-14694	9	8	at	at	ADP
cet-14694	9	9	the	the	DET
cet-14694	9	10	anode	anode	NOUN
cet-14694	9	11	side	side	NOUN
cet-14694	9	12	is	be	AUX
cet-14694	9	13	oxidized	oxidize	VERB
cet-14694	9	14	to	to	PART
cet-14694	9	15	release	release	VERB
cet-14694	9	16	electrons	electron	NOUN
cet-14694	9	17	,	,	PUNCT
cet-14694	9	18	which	which	PRON
cet-14694	9	19	are	be	AUX
cet-14694	9	20	then	then	ADV
cet-14694	9	21	transferred	transfer	VERB
cet-14694	9	22	to	to	ADP
cet-14694	9	23	the	the	DET
cet-14694	9	24	cathode	cathode	NOUN
cet-14694	9	25	side	side	NOUN
cet-14694	9	26	via	via	ADP
cet-14694	9	27	an	an	DET
cet-14694	9	28	external	external	ADJ
cet-14694	9	29	circuit	circuit	NOUN
cet-14694	9	30	,	,	PUNCT
cet-14694	9	31	reducing	reduce	VERB
cet-14694	9	32	the	the	DET
cet-14694	9	33	oxidant	oxidant	ADJ
cet-14694	9	34	species	specie	NOUN
cet-14694	9	35	,	,	PUNCT
cet-14694	9	36	usually	usually	ADV
cet-14694	9	37	oxygen	oxygen	NOUN
cet-14694	9	38	(	(	PUNCT
cet-14694	9	39	albarbar	albarbar	PROPN
cet-14694	9	40	&	&	CCONJ
cet-14694	9	41	alrweq	alrweq	PROPN
cet-14694	9	42	,	,	PUNCT
cet-14694	9	43	2018	2018	NUM
cet-14694	9	44	)	)	PUNCT
cet-14694	9	45	.	.	PUNCT
cet-14694	10	1	this	this	DET
cet-14694	10	2	process	process	NOUN
cet-14694	10	3	generates	generate	VERB
cet-14694	10	4	electrical	electrical	ADJ
cet-14694	10	5	current	current	NOUN
cet-14694	10	6	from	from	ADP
cet-14694	10	7	the	the	DET
cet-14694	10	8	potential	potential	ADJ
cet-14694	10	9	difference	difference	NOUN
cet-14694	10	10	created	create	VERB
cet-14694	10	11	by	by	ADP
cet-14694	10	12	the	the	DET
cet-14694	10	13	reaction	reaction	NOUN
cet-14694	10	14	.	.	PUNCT
cet-14694	11	1	fuel	fuel	NOUN
cet-14694	11	2	cells	cell	NOUN
cet-14694	11	3	can	can	AUX
cet-14694	11	4	be	be	AUX
cet-14694	11	5	utilized	utilize	VERB
cet-14694	11	6	across	across	ADP
cet-14694	11	7	various	various	ADJ
cet-14694	11	8	sectors	sector	NOUN
cet-14694	11	9	,	,	PUNCT
cet-14694	11	10	including	include	VERB
cet-14694	11	11	industry	industry	NOUN
cet-14694	11	12	,	,	PUNCT
cet-14694	11	13	transportation	transportation	NOUN
cet-14694	11	14	,	,	PUNCT
cet-14694	11	15	and	and	CCONJ
cet-14694	11	16	residential	residential	ADJ
cet-14694	11	17	applications	application	NOUN
cet-14694	11	18	(	(	PUNCT
cet-14694	11	19	smithsonian	smithsonian	PROPN
cet-14694	11	20	institution	institution	NOUN
cet-14694	11	21	,	,	PUNCT
cet-14694	11	22	2004	2004	NUM
cet-14694	11	23	)	)	PUNCT
cet-14694	11	24	.	.	PUNCT
cet-14694	12	1	hydrogen	hydrogen	NOUN
cet-14694	12	2	fuel	fuel	NOUN
cet-14694	12	3	cells	cell	NOUN
cet-14694	12	4	(	(	PUNCT
cet-14694	12	5	hfcs	hfc	NOUN
cet-14694	12	6	)	)	PUNCT
cet-14694	12	7	are	be	AUX
cet-14694	12	8	particularly	particularly	ADV
cet-14694	12	9	noteworthy	noteworthy	ADJ
cet-14694	12	10	in	in	ADP
cet-14694	12	11	the	the	DET
cet-14694	12	12	energy	energy	NOUN
cet-14694	12	13	economy	economy	NOUN
cet-14694	12	14	as	as	SCONJ
cet-14694	12	15	they	they	PRON
cet-14694	12	16	are	be	AUX
cet-14694	12	17	renewable	renewable	ADJ
cet-14694	12	18	when	when	SCONJ
cet-14694	12	19	produced	produce	VERB
cet-14694	12	20	from	from	ADP
cet-14694	12	21	water	water	NOUN
cet-14694	12	22	electrolysis	electrolysis	NOUN
cet-14694	12	23	using	use	VERB
cet-14694	12	24	electricity	electricity	NOUN
cet-14694	12	25	from	from	ADP
cet-14694	12	26	solar	solar	ADJ
cet-14694	12	27	,	,	PUNCT
cet-14694	12	28	wind	wind	NOUN
cet-14694	12	29	,	,	PUNCT
cet-14694	12	30	and	and	CCONJ
cet-14694	12	31	bioenergy	bioenergy	NOUN
cet-14694	12	32	sources	source	NOUN
cet-14694	12	33	.	.	PUNCT
cet-14694	13	1	hydrogen	hydrogen	NOUN
cet-14694	13	2	is	be	AUX
cet-14694	13	3	an	an	DET
cet-14694	13	4	attractive	attractive	ADJ
cet-14694	13	5	alternative	alternative	NOUN
cet-14694	13	6	because	because	SCONJ
cet-14694	13	7	its	its	PRON
cet-14694	13	8	reaction	reaction	NOUN
cet-14694	13	9	with	with	ADP
cet-14694	13	10	air	air	NOUN
cet-14694	13	11	in	in	ADP
cet-14694	13	12	a	a	DET
cet-14694	13	13	fuel	fuel	NOUN
cet-14694	13	14	cell	cell	NOUN
cet-14694	13	15	produces	produce	VERB
cet-14694	13	16	water	water	NOUN
cet-14694	13	17	as	as	ADP
cet-14694	13	18	a	a	DET
cet-14694	13	19	by	by	NOUN
cet-14694	13	20	-	-	PUNCT
cet-14694	13	21	product	product	NOUN
cet-14694	13	22	.	.	PUNCT
cet-14694	14	1	therefore	therefore	ADV
cet-14694	14	2	,	,	PUNCT
cet-14694	14	3	hydrogen	hydrogen	PROPN
cet-14694	14	4	and	and	CCONJ
cet-14694	14	5	fc	fc	PROPN
cet-14694	14	6	technologies	technology	NOUN
cet-14694	14	7	can	can	AUX
cet-14694	14	8	significantly	significantly	ADV
cet-14694	14	9	reduce	reduce	VERB
cet-14694	14	10	co2	co2	NOUN
cet-14694	14	11	emissions	emission	NOUN
cet-14694	14	12	and	and	CCONJ
cet-14694	14	13	decrease	decrease	VERB
cet-14694	14	14	reliance	reliance	NOUN
cet-14694	14	15	on	on	ADP
cet-14694	14	16	fossil	fossil	ADJ
cet-14694	14	17	fuels	fuel	NOUN
cet-14694	14	18	(	(	PUNCT
cet-14694	14	19	albarbar	albarbar	PROPN
cet-14694	14	20	&	&	CCONJ
cet-14694	14	21	alrweq	alrweq	PROPN
cet-14694	14	22	,	,	PUNCT
cet-14694	14	23	2018	2018	NUM
cet-14694	14	24	)	)	PUNCT
cet-14694	14	25	.	.	PUNCT
cet-14694	15	1	among	among	ADP
cet-14694	15	2	hfcs	hfcs	NOUN
cet-14694	15	3	,	,	PUNCT
cet-14694	15	4	proton	proton	NOUN
cet-14694	15	5	-	-	PUNCT
cet-14694	15	6	exchange	exchange	NOUN
cet-14694	15	7	membrane	membrane	NOUN
cet-14694	15	8	fuel	fuel	NOUN
cet-14694	15	9	cells	cell	NOUN
cet-14694	15	10	(	(	PUNCT
cet-14694	15	11	pemfcs	pemfc	NOUN
cet-14694	15	12	)	)	PUNCT
cet-14694	15	13	have	have	AUX
cet-14694	15	14	gained	gain	VERB
cet-14694	15	15	special	special	ADJ
cet-14694	15	16	attention	attention	NOUN
cet-14694	15	17	.	.	PUNCT
cet-14694	16	1	pemfcs	pemfc	NOUN
cet-14694	16	2	utilize	utilize	VERB
cet-14694	16	3	a	a	DET
cet-14694	16	4	polymer	polymer	NOUN
cet-14694	16	5	electrolyte	electrolyte	NOUN
cet-14694	16	6	in	in	ADP
cet-14694	16	7	the	the	DET
cet-14694	16	8	form	form	NOUN
cet-14694	16	9	of	of	ADP
cet-14694	16	10	a	a	DET
cet-14694	16	11	thin	thin	ADJ
cet-14694	16	12	,	,	PUNCT
cet-14694	16	13	permeable	permeable	ADJ
cet-14694	16	14	sheet	sheet	NOUN
cet-14694	16	15	,	,	PUNCT
cet-14694	16	16	which	which	PRON
cet-14694	16	17	is	be	AUX
cet-14694	16	18	small	small	ADJ
cet-14694	16	19	,	,	PUNCT
cet-14694	16	20	light	light	ADJ
cet-14694	16	21	,	,	PUNCT
cet-14694	16	22	and	and	CCONJ
cet-14694	16	23	operates	operate	VERB
cet-14694	16	24	at	at	ADP
cet-14694	16	25	low	low	ADJ
cet-14694	16	26	temperatures	temperature	NOUN
cet-14694	16	27	(	(	PUNCT
cet-14694	16	28	about	about	ADP
cet-14694	16	29	80ºc	80ºc	NOUN
cet-14694	16	30	)	)	PUNCT
cet-14694	16	31	.	.	PUNCT
cet-14694	17	1	other	other	ADJ
cet-14694	17	2	electrolytes	electrolyte	NOUN
cet-14694	17	3	may	may	AUX
cet-14694	17	4	require	require	VERB
cet-14694	17	5	temperatures	temperature	NOUN
cet-14694	17	6	as	as	ADV
cet-14694	17	7	high	high	ADJ
cet-14694	17	8	as	as	ADP
cet-14694	17	9	1,000ºc	1,000ºc	NUM
cet-14694	17	10	.	.	PUNCT
cet-14694	18	1	in	in	ADP
cet-14694	18	2	the	the	DET
cet-14694	18	3	early	early	ADJ
cet-14694	18	4	1960s	1960	NOUN
cet-14694	18	5	,	,	PUNCT
cet-14694	18	6	thomas	thomas	PROPN
cet-14694	18	7	grubb	grubb	PROPN
cet-14694	18	8	and	and	CCONJ
cet-14694	18	9	leonard	leonard	PROPN
cet-14694	18	10	niedrach	niedrach	PROPN
cet-14694	18	11	,	,	PUNCT
cet-14694	18	12	while	while	SCONJ
cet-14694	18	13	working	work	VERB
cet-14694	18	14	for	for	ADP
cet-14694	18	15	general	general	ADJ
cet-14694	18	16	electric	electric	PROPN
cet-14694	18	17	,	,	PUNCT
cet-14694	18	18	invented	invent	VERB
cet-14694	18	19	the	the	DET
cet-14694	18	20	first	first	ADJ
cet-14694	18	21	pemfc	pemfc	NOUN
cet-14694	18	22	.	.	PUNCT
cet-14694	19	1	the	the	DET
cet-14694	19	2	initial	initial	ADJ
cet-14694	19	3	success	success	NOUN
cet-14694	19	4	came	come	VERB
cet-14694	19	5	in	in	ADP
cet-14694	19	6	the	the	DET
cet-14694	19	7	mid-1960s	mid-1960	NOUN
cet-14694	19	8	when	when	SCONJ
cet-14694	19	9	the	the	DET
cet-14694	19	10	company	company	NOUN
cet-14694	19	11	collaborated	collaborate	VERB
cet-14694	19	12	with	with	ADP
cet-14694	19	13	the	the	DET
cet-14694	19	14	u.s	u.s	PROPN
cet-14694	19	15	.	.	PROPN
cet-14694	19	16	navy	navy	PROPN
cet-14694	19	17	’s	’s	PART
cet-14694	19	18	bureau	bureau	PROPN
cet-14694	19	19	of	of	ADP
cet-14694	19	20	ships	ship	NOUN
cet-14694	19	21	(	(	PUNCT
cet-14694	19	22	electronics	electronic	NOUN
cet-14694	19	23	division	division	NOUN
cet-14694	19	24	)	)	PUNCT
cet-14694	19	25	to	to	PART
cet-14694	19	26	develop	develop	VERB
cet-14694	19	27	a	a	DET
cet-14694	19	28	compact	compact	ADJ
cet-14694	19	29	,	,	PUNCT
cet-14694	19	30	portable	portable	ADJ
cet-14694	19	31	fuel	fuel	NOUN
cet-14694	19	32	cell	cell	NOUN
cet-14694	19	33	fuelled	fuel	VERB
cet-14694	19	34	by	by	ADP
cet-14694	19	35	hydrogen	hydrogen	NOUN
cet-14694	19	36	from	from	ADP
cet-14694	19	37	water	water	NOUN
cet-14694	19	38	and	and	CCONJ
cet-14694	19	39	lithium	lithium	NOUN
cet-14694	19	40	hydrate	hydrate	ADJ
cet-14694	19	41	reactions	reaction	NOUN
cet-14694	19	42	.	.	PUNCT
cet-14694	20	1	despite	despite	SCONJ
cet-14694	20	2	its	its	PRON
cet-14694	20	3	success	success	NOUN
cet-14694	20	4	,	,	PUNCT
cet-14694	20	5	the	the	DET
cet-14694	20	6	platinum	platinum	NOUN
cet-14694	20	7	catalysts	catalyst	NOUN
cet-14694	20	8	used	use	VERB
cet-14694	20	9	were	be	AUX
cet-14694	20	10	expensive	expensive	ADJ
cet-14694	20	11	(	(	PUNCT
cet-14694	20	12	smithsonian	smithsonian	PROPN
cet-14694	20	13	institution	institution	NOUN
cet-14694	20	14	,	,	PUNCT
cet-14694	20	15	2004	2004	NUM
cet-14694	20	16	)	)	PUNCT
cet-14694	20	17	.	.	PUNCT
cet-14694	21	1	pemfcs	pemfc	NOUN
cet-14694	21	2	are	be	AUX
cet-14694	21	3	applicable	applicable	ADJ
cet-14694	21	4	in	in	ADP
cet-14694	21	5	portable	portable	ADJ
cet-14694	21	6	,	,	PUNCT
cet-14694	21	7	transportation	transportation	NOUN
cet-14694	21	8	,	,	PUNCT
cet-14694	21	9	and	and	CCONJ
cet-14694	21	10	stationary	stationary	ADJ
cet-14694	21	11	applications	application	NOUN
cet-14694	21	12	,	,	PUNCT
cet-14694	21	13	offering	offer	VERB
cet-14694	21	14	quick	quick	ADJ
cet-14694	21	15	start	start	NOUN
cet-14694	21	16	-	-	PUNCT
cet-14694	21	17	up	up	NOUN
cet-14694	21	18	,	,	PUNCT
cet-14694	21	19	low	low	ADJ
cet-14694	21	20	operating	operating	NOUN
cet-14694	21	21	temperatures	temperature	NOUN
cet-14694	21	22	,	,	PUNCT
cet-14694	21	23	and	and	CCONJ
cet-14694	21	24	high	high	ADJ
cet-14694	21	25	efficiency	efficiency	NOUN
cet-14694	21	26	.	.	PUNCT
cet-14694	22	1	however	however	ADV
cet-14694	22	2	,	,	PUNCT
cet-14694	22	3	they	they	PRON
cet-14694	22	4	face	face	VERB
cet-14694	22	5	challenges	challenge	NOUN
cet-14694	22	6	such	such	ADJ
cet-14694	22	7	as	as	ADP
cet-14694	22	8	high	high	ADJ
cet-14694	22	9	catalyst	catalyst	NOUN
cet-14694	22	10	costs	cost	NOUN
cet-14694	22	11	and	and	CCONJ
cet-14694	22	12	sensitivity	sensitivity	NOUN
cet-14694	22	13	to	to	PART
cet-14694	22	14	fuel	fuel	VERB
cet-14694	22	15	impurities	impurity	NOUN
cet-14694	22	16	(	(	PUNCT
cet-14694	22	17	albarbar	albarbar	PROPN
cet-14694	22	18	&	&	CCONJ
cet-14694	22	19	alrweq	alrweq	PROPN
cet-14694	22	20	,	,	PUNCT
cet-14694	22	21	2018	2018	NUM
cet-14694	22	22	)	)	PUNCT
cet-14694	22	23	.	.	PUNCT
cet-14694	23	1	the	the	DET
cet-14694	23	2	hydrogen	hydrogen	NOUN
cet-14694	23	3	economy	economy	NOUN
cet-14694	23	4	holds	hold	VERB
cet-14694	23	5	significant	significant	ADJ
cet-14694	23	6	potential	potential	NOUN
cet-14694	23	7	for	for	ADP
cet-14694	23	8	social	social	ADJ
cet-14694	23	9	and	and	CCONJ
cet-14694	23	10	environmental	environmental	ADJ
cet-14694	23	11	benefits	benefit	NOUN
cet-14694	23	12	.	.	PUNCT
cet-14694	24	1	technological	technological	ADJ
cet-14694	24	2	advancements	advancement	NOUN
cet-14694	24	3	can	can	AUX
cet-14694	24	4	reduce	reduce	VERB
cet-14694	24	5	costs	cost	NOUN
cet-14694	24	6	and	and	CCONJ
cet-14694	24	7	enhance	enhance	VERB
cet-14694	24	8	economic	economic	ADJ
cet-14694	24	9	viability	viability	NOUN
cet-14694	24	10	,	,	PUNCT
cet-14694	24	11	addressing	address	VERB
cet-14694	24	12	sustainability	sustainability	NOUN
cet-14694	24	13	's	's	PART
cet-14694	24	14	triple	triple	ADJ
cet-14694	24	15	bottom	bottom	ADJ
cet-14694	24	16	lines	line	NOUN
cet-14694	24	17	.	.	PUNCT
cet-14694	25	1	one	one	NUM
cet-14694	25	2	major	major	ADJ
cet-14694	25	3	challenge	challenge	NOUN
cet-14694	25	4	is	be	AUX
cet-14694	25	5	developing	develop	VERB
cet-14694	25	6	systems	system	NOUN
cet-14694	25	7	that	that	PRON
cet-14694	25	8	are	be	AUX
cet-14694	25	9	both	both	ADV
cet-14694	25	10	safe	safe	ADJ
cet-14694	25	11	and	and	CCONJ
cet-14694	25	12	dependable	dependable	ADJ
cet-14694	25	13	(	(	PUNCT
cet-14694	25	14	hayes	hayes	PROPN
cet-14694	25	15	,	,	PUNCT
cet-14694	25	16	2021	2021	NUM
cet-14694	25	17	)	)	PUNCT
cet-14694	25	18	.	.	PUNCT
cet-14694	26	1	these	these	DET
cet-14694	26	2	challenges	challenge	NOUN
cet-14694	26	3	underscore	underscore	VERB
cet-14694	26	4	the	the	DET
cet-14694	26	5	need	need	NOUN
cet-14694	26	6	for	for	ADP
cet-14694	26	7	high	high	ADJ
cet-14694	26	8	-	-	PUNCT
cet-14694	26	9	performance	performance	NOUN
cet-14694	26	10	fittings	fitting	NOUN
cet-14694	26	11	that	that	PRON
cet-14694	26	12	connect	connect	VERB
cet-14694	26	13	crucial	crucial	ADJ
cet-14694	26	14	components	component	NOUN
cet-14694	26	15	of	of	ADP
cet-14694	26	16	highpressure	highpressure	ADJ
cet-14694	26	17	hydrogen	hydrogen	NOUN
cet-14694	26	18	fuel	fuel	NOUN
cet-14694	26	19	systems	system	NOUN
cet-14694	26	20	.	.	PUNCT
cet-14694	27	1	advanced	advanced	ADJ
cet-14694	27	2	fitting	fitting	ADJ
cet-14694	27	3	technology	technology	NOUN
cet-14694	27	4	is	be	AUX
cet-14694	27	5	now	now	ADV
cet-14694	27	6	available	available	ADJ
cet-14694	27	7	to	to	PART
cet-14694	27	8	ensure	ensure	VERB
cet-14694	27	9	gas	gas	NOUN
cet-14694	27	10	seal	seal	NOUN
cet-14694	27	11	integrity	integrity	NOUN
cet-14694	27	12	,	,	PUNCT
cet-14694	27	13	tube	tube	NOUN
cet-14694	27	14	grip	grip	NOUN
cet-14694	27	15	strength	strength	NOUN
cet-14694	27	16	,	,	PUNCT
cet-14694	27	17	vibration	vibration	NOUN
cet-14694	27	18	resistance	resistance	NOUN
cet-14694	27	19	,	,	PUNCT
cet-14694	27	20	material	material	NOUN
cet-14694	27	21	durability	durability	NOUN
cet-14694	27	22	,	,	PUNCT
cet-14694	27	23	and	and	CCONJ
cet-14694	27	24	efficient	efficient	ADJ
cet-14694	27	25	installation	installation	NOUN
cet-14694	27	26	—	—	PUNCT
cet-14694	27	27	all	all	PRON
cet-14694	27	28	vital	vital	ADJ
cet-14694	27	29	for	for	ADP
cet-14694	27	30	hydrogen	hydrogen	NOUN
cet-14694	27	31	technology	technology	NOUN
cet-14694	27	32	445	445	NUM
cet-14694	27	33	(	(	PUNCT
cet-14694	27	34	hayes	hayes	PROPN
cet-14694	27	35	,	,	PUNCT
cet-14694	27	36	2021).moreover	2021).moreover	NUM
cet-14694	27	37	,	,	PUNCT
cet-14694	27	38	fuel	fuel	NOUN
cet-14694	27	39	cell	cell	NOUN
cet-14694	27	40	vehicle	vehicle	NOUN
cet-14694	27	41	applications	application	NOUN
cet-14694	27	42	face	face	VERB
cet-14694	27	43	demanding	demand	VERB
cet-14694	27	44	operating	operating	NOUN
cet-14694	27	45	conditions	condition	NOUN
cet-14694	27	46	that	that	PRON
cet-14694	27	47	system	system	NOUN
cet-14694	27	48	components	component	NOUN
cet-14694	27	49	must	must	AUX
cet-14694	27	50	withstand	withstand	VERB
cet-14694	27	51	.	.	PUNCT
cet-14694	28	1	therefore	therefore	ADV
cet-14694	28	2	,	,	PUNCT
cet-14694	28	3	hydrogen	hydrogen	NOUN
cet-14694	28	4	systems	system	NOUN
cet-14694	28	5	for	for	ADP
cet-14694	28	6	both	both	DET
cet-14694	28	7	vehicles	vehicle	NOUN
cet-14694	28	8	and	and	CCONJ
cet-14694	28	9	infrastructure	infrastructure	NOUN
cet-14694	28	10	must	must	AUX
cet-14694	28	11	be	be	AUX
cet-14694	28	12	designed	design	VERB
cet-14694	28	13	and	and	CCONJ
cet-14694	28	14	constructed	construct	VERB
cet-14694	28	15	to	to	PART
cet-14694	28	16	meet	meet	VERB
cet-14694	28	17	the	the	DET
cet-14694	28	18	highest	high	ADJ
cet-14694	28	19	quality	quality	NOUN
cet-14694	28	20	standards	standard	NOUN
cet-14694	28	21	.	.	PUNCT
cet-14694	29	1	tube	tube	NOUN
cet-14694	29	2	fittings	fitting	NOUN
cet-14694	29	3	,	,	PUNCT
cet-14694	29	4	essential	essential	ADJ
cet-14694	29	5	for	for	ADP
cet-14694	29	6	maintaining	maintain	VERB
cet-14694	29	7	connections	connection	NOUN
cet-14694	29	8	throughout	throughout	ADP
cet-14694	29	9	these	these	DET
cet-14694	29	10	systems	system	NOUN
cet-14694	29	11	,	,	PUNCT
cet-14694	29	12	play	play	VERB
cet-14694	29	13	a	a	DET
cet-14694	29	14	crucial	crucial	ADJ
cet-14694	29	15	role	role	NOUN
cet-14694	29	16	and	and	CCONJ
cet-14694	29	17	must	must	AUX
cet-14694	29	18	provide	provide	VERB
cet-14694	29	19	leak	leak	NOUN
cet-14694	29	20	-	-	PUNCT
cet-14694	29	21	proof	proof	ADJ
cet-14694	29	22	performance	performance	NOUN
cet-14694	29	23	(	(	PUNCT
cet-14694	29	24	hayes	hayes	PROPN
cet-14694	29	25	,	,	PUNCT
cet-14694	29	26	2021).thus	2021).thus	NUM
cet-14694	29	27	,	,	PUNCT
cet-14694	29	28	this	this	DET
cet-14694	29	29	paper	paper	NOUN
cet-14694	29	30	explores	explore	NOUN
cet-14694	29	31	design	design	VERB
cet-14694	29	32	considerations	consideration	NOUN
cet-14694	29	33	to	to	PART
cet-14694	29	34	ensure	ensure	VERB
cet-14694	29	35	safety	safety	NOUN
cet-14694	29	36	and	and	CCONJ
cet-14694	29	37	efficiency	efficiency	NOUN
cet-14694	29	38	in	in	ADP
cet-14694	29	39	fuel	fuel	NOUN
cet-14694	29	40	cell	cell	NOUN
cet-14694	29	41	systems	system	NOUN
cet-14694	29	42	,	,	PUNCT
cet-14694	29	43	focusing	focus	VERB
cet-14694	29	44	on	on	ADP
cet-14694	29	45	components	component	NOUN
cet-14694	29	46	and	and	CCONJ
cet-14694	29	47	materials	material	NOUN
cet-14694	29	48	in	in	ADP
cet-14694	29	49	fuel	fuel	NOUN
cet-14694	29	50	piping	piping	NOUN
cet-14694	29	51	,	,	PUNCT
cet-14694	29	52	while	while	SCONJ
cet-14694	29	53	adhering	adhere	VERB
cet-14694	29	54	to	to	ADP
cet-14694	29	55	relevant	relevant	ADJ
cet-14694	29	56	standards	standard	NOUN
cet-14694	29	57	and	and	CCONJ
cet-14694	29	58	regulations	regulation	NOUN
cet-14694	29	59	.	.	PUNCT
cet-14694	30	1	2	2	X
cet-14694	30	2	.	.	X
cet-14694	30	3	methodology	methodology	NOUN
cet-14694	30	4	this	this	DET
cet-14694	30	5	study	study	NOUN
cet-14694	30	6	employed	employ	VERB
cet-14694	30	7	a	a	DET
cet-14694	30	8	methodology	methodology	NOUN
cet-14694	30	9	based	base	VERB
cet-14694	30	10	on	on	ADP
cet-14694	30	11	a	a	DET
cet-14694	30	12	comprehensive	comprehensive	ADJ
cet-14694	30	13	review	review	NOUN
cet-14694	30	14	of	of	ADP
cet-14694	30	15	technical	technical	ADJ
cet-14694	30	16	literature	literature	PROPN
cet-14694	30	17	and	and	CCONJ
cet-14694	30	18	scientific	scientific	ADJ
cet-14694	30	19	materials	material	NOUN
cet-14694	30	20	from	from	ADP
cet-14694	30	21	reputable	reputable	ADJ
cet-14694	30	22	sources	source	NOUN
cet-14694	30	23	,	,	PUNCT
cet-14694	30	24	including	include	VERB
cet-14694	30	25	manufacturers	manufacturer	NOUN
cet-14694	30	26	'	'	PART
cet-14694	30	27	websites	website	NOUN
cet-14694	30	28	,	,	PUNCT
cet-14694	30	29	the	the	DET
cet-14694	30	30	pemfc	pemfc	ADJ
cet-14694	30	31	product	product	NOUN
cet-14694	30	32	manual	manual	NOUN
cet-14694	30	33	,	,	PUNCT
cet-14694	30	34	and	and	CCONJ
cet-14694	30	35	competition	competition	NOUN
cet-14694	30	36	safety	safety	NOUN
cet-14694	30	37	rules	rule	NOUN
cet-14694	30	38	.	.	PUNCT
cet-14694	31	1	the	the	DET
cet-14694	31	2	literature	literature	PROPN
cet-14694	31	3	review	review	NOUN
cet-14694	31	4	focused	focus	VERB
cet-14694	31	5	on	on	ADP
cet-14694	31	6	gathering	gather	VERB
cet-14694	31	7	information	information	NOUN
cet-14694	31	8	related	relate	VERB
cet-14694	31	9	to	to	ADP
cet-14694	31	10	the	the	DET
cet-14694	31	11	design	design	NOUN
cet-14694	31	12	considerations	consideration	NOUN
cet-14694	31	13	for	for	ADP
cet-14694	31	14	a	a	DET
cet-14694	31	15	safe	safe	ADJ
cet-14694	31	16	and	and	CCONJ
cet-14694	31	17	effective	effective	ADJ
cet-14694	31	18	piping	piping	NOUN
cet-14694	31	19	system	system	NOUN
cet-14694	31	20	in	in	ADP
cet-14694	31	21	self	self	NOUN
cet-14694	31	22	-	-	PUNCT
cet-14694	31	23	humidifying	humidify	VERB
cet-14694	31	24	proton	proton	NOUN
cet-14694	31	25	exchange	exchange	NOUN
cet-14694	31	26	membrane	membrane	NOUN
cet-14694	31	27	fuel	fuel	NOUN
cet-14694	31	28	cells	cell	NOUN
cet-14694	31	29	(	(	PUNCT
cet-14694	31	30	pemfcs	pemfc	NOUN
cet-14694	31	31	)	)	PUNCT
cet-14694	31	32	.	.	PUNCT
cet-14694	32	1	technical	technical	ADJ
cet-14694	32	2	documentation	documentation	NOUN
cet-14694	32	3	,	,	PUNCT
cet-14694	32	4	product	product	NOUN
cet-14694	32	5	manuals	manual	NOUN
cet-14694	32	6	,	,	PUNCT
cet-14694	32	7	guidelines	guideline	NOUN
cet-14694	32	8	,	,	PUNCT
cet-14694	32	9	and	and	CCONJ
cet-14694	32	10	standards	standard	NOUN
cet-14694	32	11	provided	provide	VERB
cet-14694	32	12	by	by	ADP
cet-14694	32	13	the	the	DET
cet-14694	32	14	valve	valve	NOUN
cet-14694	32	15	and	and	CCONJ
cet-14694	32	16	hose	hose	NOUN
cet-14694	32	17	connection	connection	NOUN
cet-14694	32	18	manufacturers	manufacturer	NOUN
cet-14694	32	19	were	be	AUX
cet-14694	32	20	analyzed	analyze	VERB
cet-14694	32	21	to	to	PART
cet-14694	32	22	identify	identify	VERB
cet-14694	32	23	suitable	suitable	ADJ
cet-14694	32	24	materials	material	NOUN
cet-14694	32	25	,	,	PUNCT
cet-14694	32	26	joint	joint	ADJ
cet-14694	32	27	designs	design	NOUN
cet-14694	32	28	,	,	PUNCT
cet-14694	32	29	and	and	CCONJ
cet-14694	32	30	sealing	seal	VERB
cet-14694	32	31	techniques	technique	NOUN
cet-14694	32	32	for	for	ADP
cet-14694	32	33	the	the	DET
cet-14694	32	34	fuel	fuel	NOUN
cet-14694	32	35	piping	piping	NOUN
cet-14694	32	36	system	system	NOUN
cet-14694	32	37	.	.	PUNCT
cet-14694	33	1	the	the	DET
cet-14694	33	2	pemfc	pemfc	ADJ
cet-14694	33	3	product	product	NOUN
cet-14694	33	4	manual	manual	NOUN
cet-14694	33	5	was	be	AUX
cet-14694	33	6	referenced	reference	VERB
cet-14694	33	7	to	to	PART
cet-14694	33	8	understand	understand	VERB
cet-14694	33	9	the	the	DET
cet-14694	33	10	operational	operational	ADJ
cet-14694	33	11	requirements	requirement	NOUN
cet-14694	33	12	and	and	CCONJ
cet-14694	33	13	specifications	specification	NOUN
cet-14694	33	14	specific	specific	ADJ
cet-14694	33	15	to	to	ADP
cet-14694	33	16	pemfcs	pemfc	NOUN
cet-14694	33	17	.	.	PUNCT
cet-14694	34	1	relevant	relevant	ADJ
cet-14694	34	2	standards	standard	NOUN
cet-14694	34	3	and	and	CCONJ
cet-14694	34	4	regulations	regulation	NOUN
cet-14694	34	5	published	publish	VERB
cet-14694	34	6	by	by	ADP
cet-14694	34	7	the	the	DET
cet-14694	34	8	society	society	NOUN
cet-14694	34	9	of	of	ADP
cet-14694	34	10	automotive	automotive	ADJ
cet-14694	34	11	engineers	engineer	NOUN
cet-14694	34	12	(	(	PUNCT
cet-14694	34	13	sae	sae	PROPN
cet-14694	34	14	)	)	PUNCT
cet-14694	34	15	regarding	regard	VERB
cet-14694	34	16	hydrogen	hydrogen	NOUN
cet-14694	34	17	fuel	fuel	NOUN
cet-14694	34	18	systems	system	NOUN
cet-14694	34	19	in	in	ADP
cet-14694	34	20	vehicles	vehicle	NOUN
cet-14694	34	21	were	be	AUX
cet-14694	34	22	consulted	consult	VERB
cet-14694	34	23	to	to	PART
cet-14694	34	24	gain	gain	VERB
cet-14694	34	25	insights	insight	NOUN
cet-14694	34	26	into	into	ADP
cet-14694	34	27	safety	safety	NOUN
cet-14694	34	28	considerations	consideration	NOUN
cet-14694	34	29	,	,	PUNCT
cet-14694	34	30	testing	testing	NOUN
cet-14694	34	31	procedures	procedure	NOUN
cet-14694	34	32	,	,	PUNCT
cet-14694	34	33	and	and	CCONJ
cet-14694	34	34	performance	performance	NOUN
cet-14694	34	35	requirements	requirement	NOUN
cet-14694	34	36	.	.	PUNCT
cet-14694	35	1	scientific	scientific	ADJ
cet-14694	35	2	literature	literature	NOUN
cet-14694	35	3	was	be	AUX
cet-14694	35	4	reviewed	review	VERB
cet-14694	35	5	to	to	PART
cet-14694	35	6	deepen	deepen	VERB
cet-14694	35	7	the	the	DET
cet-14694	35	8	understanding	understanding	NOUN
cet-14694	35	9	of	of	ADP
cet-14694	35	10	fundamental	fundamental	ADJ
cet-14694	35	11	fuel	fuel	NOUN
cet-14694	35	12	cell	cell	NOUN
cet-14694	35	13	concepts	concept	NOUN
cet-14694	35	14	,	,	PUNCT
cet-14694	35	15	including	include	VERB
cet-14694	35	16	operation	operation	NOUN
cet-14694	35	17	principles	principle	NOUN
cet-14694	35	18	,	,	PUNCT
cet-14694	35	19	characteristics	characteristic	NOUN
cet-14694	35	20	of	of	ADP
cet-14694	35	21	nafion	nafion	NOUN
cet-14694	35	22	membranes	membrane	NOUN
cet-14694	35	23	,	,	PUNCT
cet-14694	35	24	and	and	CCONJ
cet-14694	35	25	the	the	DET
cet-14694	35	26	advantages	advantage	NOUN
cet-14694	35	27	of	of	ADP
cet-14694	35	28	self	self	NOUN
cet-14694	35	29	-	-	PUNCT
cet-14694	35	30	humidifying	humidify	VERB
cet-14694	35	31	membrane	membrane	NOUN
cet-14694	35	32	electrode	electrode	NOUN
cet-14694	35	33	assembly	assembly	NOUN
cet-14694	35	34	(	(	PUNCT
cet-14694	35	35	mea	mea	NOUN
cet-14694	35	36	)	)	PUNCT
cet-14694	35	37	fuel	fuel	NOUN
cet-14694	35	38	cells	cell	NOUN
cet-14694	35	39	.	.	PUNCT
cet-14694	36	1	these	these	DET
cet-14694	36	2	documents	document	NOUN
cet-14694	36	3	provided	provide	VERB
cet-14694	36	4	insights	insight	NOUN
cet-14694	36	5	into	into	ADP
cet-14694	36	6	the	the	DET
cet-14694	36	7	specific	specific	ADJ
cet-14694	36	8	requirements	requirement	NOUN
cet-14694	36	9	and	and	CCONJ
cet-14694	36	10	challenges	challenge	NOUN
cet-14694	36	11	associated	associate	VERB
cet-14694	36	12	with	with	ADP
cet-14694	36	13	self	self	NOUN
cet-14694	36	14	-	-	PUNCT
cet-14694	36	15	humidifying	humidify	VERB
cet-14694	36	16	pemfcs	pemfc	NOUN
cet-14694	36	17	.	.	PUNCT
cet-14694	37	1	the	the	DET
cet-14694	37	2	knowledge	knowledge	NOUN
cet-14694	37	3	obtained	obtain	VERB
cet-14694	37	4	from	from	ADP
cet-14694	37	5	the	the	DET
cet-14694	37	6	technical	technical	ADJ
cet-14694	37	7	literature	literature	PROPN
cet-14694	37	8	and	and	CCONJ
cet-14694	37	9	scientific	scientific	ADJ
cet-14694	37	10	materials	material	NOUN
cet-14694	37	11	was	be	AUX
cet-14694	37	12	synthesized	synthesize	VERB
cet-14694	37	13	to	to	PART
cet-14694	37	14	develop	develop	VERB
cet-14694	37	15	a	a	DET
cet-14694	37	16	set	set	NOUN
cet-14694	37	17	of	of	ADP
cet-14694	37	18	design	design	NOUN
cet-14694	37	19	considerations	consideration	NOUN
cet-14694	37	20	encompassing	encompass	VERB
cet-14694	37	21	material	material	NOUN
cet-14694	37	22	selection	selection	NOUN
cet-14694	37	23	,	,	PUNCT
cet-14694	37	24	joint	joint	ADJ
cet-14694	37	25	design	design	NOUN
cet-14694	37	26	,	,	PUNCT
cet-14694	37	27	and	and	CCONJ
cet-14694	37	28	system	system	NOUN
cet-14694	37	29	configuration	configuration	NOUN
cet-14694	37	30	.	.	PUNCT
cet-14694	38	1	these	these	DET
cet-14694	38	2	considerations	consideration	NOUN
cet-14694	38	3	formed	form	VERB
cet-14694	38	4	the	the	DET
cet-14694	38	5	basis	basis	NOUN
cet-14694	38	6	for	for	ADP
cet-14694	38	7	proposing	propose	VERB
cet-14694	38	8	a	a	DET
cet-14694	38	9	fluid	fluid	ADJ
cet-14694	38	10	system	system	NOUN
cet-14694	38	11	solution	solution	NOUN
cet-14694	38	12	that	that	PRON
cet-14694	38	13	meets	meet	VERB
cet-14694	38	14	the	the	DET
cet-14694	38	15	operational	operational	ADJ
cet-14694	38	16	requirements	requirement	NOUN
cet-14694	38	17	of	of	ADP
cet-14694	38	18	the	the	DET
cet-14694	38	19	fuel	fuel	NOUN
cet-14694	38	20	cell	cell	NOUN
cet-14694	38	21	system	system	NOUN
cet-14694	38	22	while	while	SCONJ
cet-14694	38	23	ensuring	ensure	VERB
cet-14694	38	24	safety	safety	NOUN
cet-14694	38	25	,	,	PUNCT
cet-14694	38	26	efficiency	efficiency	NOUN
cet-14694	38	27	,	,	PUNCT
cet-14694	38	28	and	and	CCONJ
cet-14694	38	29	compliance	compliance	NOUN
cet-14694	38	30	with	with	ADP
cet-14694	38	31	relevant	relevant	ADJ
cet-14694	38	32	standards	standard	NOUN
cet-14694	38	33	and	and	CCONJ
cet-14694	38	34	regulations	regulation	NOUN
cet-14694	38	35	.	.	PUNCT
cet-14694	39	1	3	3	X
cet-14694	39	2	.	.	X
cet-14694	39	3	material	material	NOUN
cet-14694	39	4	considerations	consideration	NOUN
cet-14694	39	5	hydrogen	hydrogen	NOUN
cet-14694	39	6	is	be	AUX
cet-14694	39	7	a	a	DET
cet-14694	39	8	small	small	ADJ
cet-14694	39	9	-	-	PUNCT
cet-14694	39	10	molecule	molecule	NOUN
cet-14694	39	11	gas	gas	NOUN
cet-14694	39	12	that	that	PRON
cet-14694	39	13	can	can	AUX
cet-14694	39	14	easily	easily	ADV
cet-14694	39	15	escape	escape	VERB
cet-14694	39	16	through	through	ADP
cet-14694	39	17	the	the	DET
cet-14694	39	18	tiniest	tiny	ADJ
cet-14694	39	19	of	of	ADP
cet-14694	39	20	crevices	crevice	NOUN
cet-14694	39	21	and	and	CCONJ
cet-14694	39	22	diffuse	diffuse	VERB
cet-14694	39	23	into	into	ADP
cet-14694	39	24	materials	material	NOUN
cet-14694	39	25	designed	design	VERB
cet-14694	39	26	to	to	PART
cet-14694	39	27	contain	contain	VERB
cet-14694	39	28	it	it	PRON
cet-14694	39	29	.	.	PUNCT
cet-14694	40	1	thus	thus	ADV
cet-14694	40	2	,	,	PUNCT
cet-14694	40	3	construction	construction	NOUN
cet-14694	40	4	materials	material	NOUN
cet-14694	40	5	,	,	PUNCT
cet-14694	40	6	including	include	VERB
cet-14694	40	7	those	those	PRON
cet-14694	40	8	used	use	VERB
cet-14694	40	9	in	in	ADP
cet-14694	40	10	piping	piping	NOUN
cet-14694	40	11	,	,	PUNCT
cet-14694	40	12	valves	valve	NOUN
cet-14694	40	13	,	,	PUNCT
cet-14694	40	14	and	and	CCONJ
cet-14694	40	15	seals	seal	NOUN
cet-14694	40	16	,	,	PUNCT
cet-14694	40	17	must	must	AUX
cet-14694	40	18	be	be	AUX
cet-14694	40	19	carefully	carefully	ADV
cet-14694	40	20	selected	select	VERB
cet-14694	40	21	to	to	PART
cet-14694	40	22	account	account	VERB
cet-14694	40	23	for	for	ADP
cet-14694	40	24	their	their	PRON
cet-14694	40	25	deterioration	deterioration	NOUN
cet-14694	40	26	when	when	SCONJ
cet-14694	40	27	exposed	expose	VERB
cet-14694	40	28	to	to	ADP
cet-14694	40	29	hydrogen	hydrogen	NOUN
cet-14694	40	30	at	at	ADP
cet-14694	40	31	the	the	DET
cet-14694	40	32	intended	intend	VERB
cet-14694	40	33	operating	operating	NOUN
cet-14694	40	34	conditions	condition	NOUN
cet-14694	40	35	.	.	PUNCT
cet-14694	41	1	exposure	exposure	NOUN
cet-14694	41	2	of	of	ADP
cet-14694	41	3	metals	metal	NOUN
cet-14694	41	4	to	to	ADP
cet-14694	41	5	hydrogen	hydrogen	NOUN
cet-14694	41	6	can	can	AUX
cet-14694	41	7	lead	lead	VERB
cet-14694	41	8	to	to	ADP
cet-14694	41	9	embrittlement	embrittlement	NOUN
cet-14694	41	10	,	,	PUNCT
cet-14694	41	11	cracking	cracking	NOUN
cet-14694	41	12	,	,	PUNCT
cet-14694	41	13	and	and	CCONJ
cet-14694	41	14	significant	significant	ADJ
cet-14694	41	15	losses	loss	NOUN
cet-14694	41	16	in	in	ADP
cet-14694	41	17	tensile	tensile	NOUN
cet-14694	41	18	strength	strength	NOUN
cet-14694	41	19	,	,	PUNCT
cet-14694	41	20	ductility	ductility	NOUN
cet-14694	41	21	,	,	PUNCT
cet-14694	41	22	and	and	CCONJ
cet-14694	41	23	fracture	fracture	NOUN
cet-14694	41	24	toughness	toughness	NOUN
cet-14694	41	25	,	,	PUNCT
cet-14694	41	26	potentially	potentially	ADV
cet-14694	41	27	causing	cause	VERB
cet-14694	41	28	premature	premature	ADJ
cet-14694	41	29	failure	failure	NOUN
cet-14694	41	30	in	in	ADP
cet-14694	41	31	load	load	NOUN
cet-14694	41	32	-	-	PUNCT
cet-14694	41	33	carrying	carry	VERB
cet-14694	41	34	components	component	NOUN
cet-14694	41	35	(	(	PUNCT
cet-14694	41	36	dwivedi	dwivedi	PROPN
cet-14694	41	37	&	&	CCONJ
cet-14694	41	38	vishwakarma	vishwakarma	PROPN
cet-14694	41	39	,	,	PUNCT
cet-14694	41	40	2018	2018	NUM
cet-14694	41	41	)	)	PUNCT
cet-14694	41	42	.	.	PUNCT
cet-14694	42	1	two	two	NUM
cet-14694	42	2	primary	primary	ADJ
cet-14694	42	3	phenomena	phenomenon	NOUN
cet-14694	42	4	associated	associate	VERB
cet-14694	42	5	with	with	ADP
cet-14694	42	6	materials	material	NOUN
cet-14694	42	7	in	in	ADP
cet-14694	42	8	hydrogen	hydrogen	NOUN
cet-14694	42	9	use	use	NOUN
cet-14694	42	10	must	must	AUX
cet-14694	42	11	be	be	AUX
cet-14694	42	12	considered	consider	VERB
cet-14694	42	13	when	when	SCONJ
cet-14694	42	14	designing	design	VERB
cet-14694	42	15	a	a	DET
cet-14694	42	16	hydrogen	hydrogen	NOUN
cet-14694	42	17	system	system	NOUN
cet-14694	42	18	:	:	PUNCT
cet-14694	42	19	1	1	NUM
cet-14694	42	20	)	)	PUNCT
cet-14694	42	21	permeation	permeation	NOUN
cet-14694	42	22	of	of	ADP
cet-14694	42	23	hydrogen	hydrogen	NOUN
cet-14694	42	24	through	through	ADP
cet-14694	42	25	materials	material	NOUN
cet-14694	42	26	,	,	PUNCT
cet-14694	42	27	resulting	result	VERB
cet-14694	42	28	in	in	ADP
cet-14694	42	29	an	an	DET
cet-14694	42	30	effective	effective	ADJ
cet-14694	42	31	leak	leak	NOUN
cet-14694	42	32	,	,	PUNCT
cet-14694	42	33	and	and	CCONJ
cet-14694	42	34	2	2	X
cet-14694	42	35	)	)	PUNCT
cet-14694	42	36	degradation	degradation	NOUN
cet-14694	42	37	of	of	ADP
cet-14694	42	38	the	the	DET
cet-14694	42	39	mechanical	mechanical	ADJ
cet-14694	42	40	properties	property	NOUN
cet-14694	42	41	of	of	ADP
cet-14694	42	42	materials	material	NOUN
cet-14694	42	43	,	,	PUNCT
cet-14694	42	44	compromising	compromise	VERB
cet-14694	42	45	structural	structural	ADJ
cet-14694	42	46	integrity	integrity	NOUN
cet-14694	42	47	.	.	PUNCT
cet-14694	43	1	types	type	NOUN
cet-14694	43	2	of	of	ADP
cet-14694	43	3	hydrogen	hydrogen	NOUN
cet-14694	43	4	damage	damage	NOUN
cet-14694	43	5	on	on	ADP
cet-14694	43	6	materials	material	NOUN
cet-14694	43	7	include	include	VERB
cet-14694	43	8	:	:	PUNCT
cet-14694	43	9	1	1	X
cet-14694	43	10	.	.	PUNCT
cet-14694	43	11	hydrogen	hydrogen	NOUN
cet-14694	43	12	-	-	PUNCT
cet-14694	43	13	induced	induce	VERB
cet-14694	43	14	cracking	cracking	NOUN
cet-14694	43	15	(	(	PUNCT
cet-14694	43	16	hic	hic	ADJ
cet-14694	43	17	):	):	PUNCT
cet-14694	43	18	atomic	atomic	ADJ
cet-14694	43	19	hydrogen	hydrogen	NOUN
cet-14694	43	20	diffuses	diffuse	NOUN
cet-14694	43	21	in	in	ADP
cet-14694	43	22	the	the	DET
cet-14694	43	23	material	material	NOUN
cet-14694	43	24	and	and	CCONJ
cet-14694	43	25	recombines	recombine	NOUN
cet-14694	43	26	into	into	ADP
cet-14694	43	27	h2	h2	NOUN
cet-14694	43	28	in	in	ADP
cet-14694	43	29	specific	specific	ADJ
cet-14694	43	30	sites	site	NOUN
cet-14694	43	31	,	,	PUNCT
cet-14694	43	32	developing	develop	VERB
cet-14694	43	33	high	high	ADJ
cet-14694	43	34	pressure	pressure	NOUN
cet-14694	43	35	.	.	PUNCT
cet-14694	44	1	in	in	ADP
cet-14694	44	2	ductile	ductile	NOUN
cet-14694	44	3	materials	material	NOUN
cet-14694	44	4	,	,	PUNCT
cet-14694	44	5	this	this	PRON
cet-14694	44	6	can	can	AUX
cet-14694	44	7	cause	cause	VERB
cet-14694	44	8	deformation	deformation	NOUN
cet-14694	44	9	(	(	PUNCT
cet-14694	44	10	blisters	blister	NOUN
cet-14694	44	11	)	)	PUNCT
cet-14694	44	12	;	;	PUNCT
cet-14694	44	13	in	in	ADP
cet-14694	44	14	lowductile	lowductile	ADJ
cet-14694	44	15	materials	material	NOUN
cet-14694	44	16	,	,	PUNCT
cet-14694	44	17	cracking	cracking	NOUN
cet-14694	44	18	can	can	AUX
cet-14694	44	19	occur	occur	VERB
cet-14694	44	20	.	.	PUNCT
cet-14694	45	1	2	2	X
cet-14694	45	2	.	.	X
cet-14694	45	3	hydrogen	hydrogen	NOUN
cet-14694	45	4	reaction	reaction	NOUN
cet-14694	45	5	:	:	PUNCT
cet-14694	45	6	hydrogen	hydrogen	NOUN
cet-14694	45	7	can	can	AUX
cet-14694	45	8	react	react	VERB
cet-14694	45	9	with	with	ADP
cet-14694	45	10	metallic	metallic	ADJ
cet-14694	45	11	phases	phase	NOUN
cet-14694	45	12	to	to	PART
cet-14694	45	13	form	form	VERB
cet-14694	45	14	hydrides	hydride	NOUN
cet-14694	45	15	(	(	PUNCT
cet-14694	45	16	e.g.	e.g.	ADV
cet-14694	45	17	,	,	PUNCT
cet-14694	45	18	ti	ti	NOUN
cet-14694	45	19	,	,	PUNCT
cet-14694	45	20	zr	zr	NOUN
cet-14694	45	21	)	)	PUNCT
cet-14694	45	22	or	or	CCONJ
cet-14694	45	23	with	with	ADP
cet-14694	45	24	nonmetallic	nonmetallic	ADJ
cet-14694	45	25	phases	phase	NOUN
cet-14694	45	26	(	(	PUNCT
cet-14694	45	27	e.g.	e.g.	ADV
cet-14694	45	28	,	,	PUNCT
cet-14694	45	29	carbides	carbide	NOUN
cet-14694	45	30	)	)	PUNCT
cet-14694	45	31	to	to	PART
cet-14694	45	32	form	form	VERB
cet-14694	45	33	methane	methane	NOUN
cet-14694	45	34	(	(	PUNCT
cet-14694	45	35	ch4	ch4	NOUN
cet-14694	45	36	)	)	PUNCT
cet-14694	45	37	or	or	CCONJ
cet-14694	45	38	other	other	ADJ
cet-14694	45	39	compounds	compound	NOUN
cet-14694	45	40	.	.	PUNCT
cet-14694	46	1	3	3	X
cet-14694	46	2	.	.	PUNCT
cet-14694	46	3	hydrogen	hydrogen	NOUN
cet-14694	46	4	embrittlement	embrittlement	NOUN
cet-14694	46	5	(	(	PUNCT
cet-14694	46	6	he	he	PRON
cet-14694	46	7	)	)	PUNCT
cet-14694	46	8	or	or	CCONJ
cet-14694	46	9	hydrogen	hydrogen	NOUN
cet-14694	46	10	stress	stress	NOUN
cet-14694	46	11	cracking	cracking	NOUN
cet-14694	46	12	(	(	PUNCT
cet-14694	46	13	hsc	hsc	PROPN
cet-14694	46	14	):	):	PUNCT
cet-14694	46	15	this	this	PRON
cet-14694	46	16	occurs	occur	VERB
cet-14694	46	17	when	when	SCONJ
cet-14694	46	18	atomic	atomic	ADJ
cet-14694	46	19	hydrogen	hydrogen	NOUN
cet-14694	46	20	contacts	contact	NOUN
cet-14694	46	21	a	a	DET
cet-14694	46	22	material	material	NOUN
cet-14694	46	23	under	under	ADP
cet-14694	46	24	stress	stress	NOUN
cet-14694	46	25	,	,	PUNCT
cet-14694	46	26	sometimes	sometimes	ADV
cet-14694	46	27	considered	consider	VERB
cet-14694	46	28	a	a	DET
cet-14694	46	29	type	type	NOUN
cet-14694	46	30	of	of	ADP
cet-14694	46	31	stress	stress	NOUN
cet-14694	46	32	corrosion	corrosion	NOUN
cet-14694	46	33	cracking	cracking	NOUN
cet-14694	46	34	(	(	PUNCT
cet-14694	46	35	scc	scc	NOUN
cet-14694	46	36	)	)	PUNCT
cet-14694	46	37	(	(	PUNCT
cet-14694	46	38	somerday	somerday	PROPN
cet-14694	46	39	&	&	CCONJ
cet-14694	46	40	gangloff	gangloff	PROPN
cet-14694	46	41	,	,	PUNCT
cet-14694	46	42	2013	2013	NUM
cet-14694	46	43	)	)	PUNCT
cet-14694	46	44	.	.	PUNCT
cet-14694	47	1	generally	generally	ADV
cet-14694	47	2	,	,	PUNCT
cet-14694	47	3	acceptable	acceptable	ADJ
cet-14694	47	4	materials	material	NOUN
cet-14694	47	5	include	include	VERB
cet-14694	47	6	austenitic	austenitic	ADJ
cet-14694	47	7	stainless	stainless	ADJ
cet-14694	47	8	steels	steel	NOUN
cet-14694	47	9	,	,	PUNCT
cet-14694	47	10	aluminum	aluminum	NOUN
cet-14694	47	11	alloys	alloy	NOUN
cet-14694	47	12	,	,	PUNCT
cet-14694	47	13	copper	copper	NOUN
cet-14694	47	14	,	,	PUNCT
cet-14694	47	15	and	and	CCONJ
cet-14694	47	16	copper	copper	NOUN
cet-14694	47	17	alloys	alloy	NOUN
cet-14694	47	18	.	.	PUNCT
cet-14694	48	1	nickel	nickel	NOUN
cet-14694	48	2	and	and	CCONJ
cet-14694	48	3	most	most	ADJ
cet-14694	48	4	nickel	nickel	NOUN
cet-14694	48	5	alloys	alloy	NOUN
cet-14694	48	6	should	should	AUX
cet-14694	48	7	not	not	PART
cet-14694	48	8	be	be	AUX
cet-14694	48	9	used	use	VERB
cet-14694	48	10	due	due	ADP
cet-14694	48	11	to	to	ADP
cet-14694	48	12	severe	severe	ADJ
cet-14694	48	13	hydrogen	hydrogen	NOUN
cet-14694	48	14	embrittlement	embrittlement	NOUN
cet-14694	48	15	,	,	PUNCT
cet-14694	48	16	though	though	SCONJ
cet-14694	48	17	a	a	DET
cet-14694	48	18	higher	high	ADJ
cet-14694	48	19	concentration	concentration	NOUN
cet-14694	48	20	of	of	ADP
cet-14694	48	21	chromium	chromium	NOUN
cet-14694	48	22	and	and	CCONJ
cet-14694	48	23	nickel	nickel	NOUN
cet-14694	48	24	in	in	ADP
cet-14694	48	25	stainless	stainless	ADJ
cet-14694	48	26	steel	steel	NOUN
cet-14694	48	27	can	can	AUX
cet-14694	48	28	defend	defend	VERB
cet-14694	48	29	against	against	ADP
cet-14694	48	30	this	this	PRON
cet-14694	48	31	by	by	ADP
cet-14694	48	32	promoting	promote	VERB
cet-14694	48	33	greater	great	ADJ
cet-14694	48	34	ductility	ductility	NOUN
cet-14694	48	35	and	and	CCONJ
cet-14694	48	36	corrosion	corrosion	NOUN
cet-14694	48	37	resistance	resistance	NOUN
cet-14694	48	38	.	.	PUNCT
cet-14694	49	1	the	the	DET
cet-14694	49	2	american	american	ADJ
cet-14694	49	3	society	society	NOUN
cet-14694	49	4	for	for	ADP
cet-14694	49	5	testing	testing	NOUN
cet-14694	49	6	and	and	CCONJ
cet-14694	49	7	materials	material	NOUN
cet-14694	49	8	(	(	PUNCT
cet-14694	49	9	astm	astm	PROPN
cet-14694	49	10	)	)	PUNCT
cet-14694	49	11	requires	require	VERB
cet-14694	49	12	a	a	DET
cet-14694	49	13	minimum	minimum	NOUN
cet-14694	49	14	of	of	ADP
cet-14694	49	15	10	10	NUM
cet-14694	49	16	%	%	NOUN
cet-14694	49	17	nickel	nickel	NOUN
cet-14694	49	18	in	in	ADP
cet-14694	49	19	316	316	NUM
cet-14694	49	20	stainless	stainless	ADJ
cet-14694	49	21	steel	steel	NOUN
cet-14694	49	22	formulations	formulation	NOUN
cet-14694	49	23	,	,	PUNCT
cet-14694	49	24	but	but	CCONJ
cet-14694	49	25	higher	high	ADJ
cet-14694	49	26	-	-	PUNCT
cet-14694	49	27	quality	quality	NOUN
cet-14694	49	28	316	316	NUM
cet-14694	49	29	stainless	stainless	ADJ
cet-14694	49	30	with	with	ADP
cet-14694	49	31	12	12	NUM
cet-14694	49	32	%	%	NOUN
cet-14694	49	33	minimum	minimum	NOUN
cet-14694	49	34	nickel	nickel	NOUN
cet-14694	49	35	is	be	AUX
cet-14694	49	36	better	well	ADV
cet-14694	49	37	suited	suited	ADJ
cet-14694	49	38	(	(	PUNCT
cet-14694	49	39	devanathan	devanathan	PROPN
cet-14694	49	40	,	,	PUNCT
cet-14694	49	41	2008	2008	NUM
cet-14694	49	42	)	)	PUNCT
cet-14694	49	43	.	.	PUNCT
cet-14694	50	1	polymeric	polymeric	ADJ
cet-14694	50	2	materials	material	NOUN
cet-14694	50	3	like	like	ADP
cet-14694	50	4	ptfe	ptfe	NOUN
cet-14694	50	5	,	,	PUNCT
cet-14694	50	6	pvdf	pvdf	NOUN
cet-14694	50	7	,	,	PUNCT
cet-14694	50	8	teflon	teflon	NOUN
cet-14694	50	9	,	,	PUNCT
cet-14694	50	10	or	or	CCONJ
cet-14694	50	11	neoprene	neoprene	NOUN
cet-14694	50	12	are	be	AUX
cet-14694	50	13	allowed	allow	VERB
cet-14694	50	14	,	,	PUNCT
cet-14694	50	15	especially	especially	ADV
cet-14694	50	16	in	in	ADP
cet-14694	50	17	low	low	ADJ
cet-14694	50	18	-	-	PUNCT
cet-14694	50	19	pressure	pressure	NOUN
cet-14694	50	20	tubing	tubing	NOUN
cet-14694	50	21	.	.	PUNCT
cet-14694	51	1	other	other	ADJ
cet-14694	51	2	factors	factor	NOUN
cet-14694	51	3	affecting	affect	VERB
cet-14694	51	4	the	the	DET
cet-14694	51	5	hydrogen	hydrogen	NOUN
cet-14694	51	6	permeation	permeation	NOUN
cet-14694	51	7	rate	rate	NOUN
cet-14694	51	8	include	include	VERB
cet-14694	51	9	:	:	PUNCT
cet-14694	51	10	surface	surface	NOUN
cet-14694	51	11	area	area	NOUN
cet-14694	51	12	:	:	PUNCT
cet-14694	51	13	larger	large	ADJ
cet-14694	51	14	areas	area	NOUN
cet-14694	51	15	increase	increase	VERB
cet-14694	51	16	permeation	permeation	NOUN
cet-14694	51	17	.	.	PUNCT
cet-14694	52	1	446	446	NUM
cet-14694	52	2	pressure	pressure	NOUN
cet-14694	52	3	:	:	PUNCT
cet-14694	52	4	higher	high	ADJ
cet-14694	52	5	pressure	pressure	NOUN
cet-14694	52	6	increases	increase	VERB
cet-14694	52	7	molecular	molecular	ADJ
cet-14694	52	8	count	count	NOUN
cet-14694	52	9	and	and	CCONJ
cet-14694	52	10	permeation	permeation	NOUN
cet-14694	52	11	.	.	PUNCT
cet-14694	53	1	temperature	temperature	NOUN
cet-14694	53	2	:	:	PUNCT
cet-14694	53	3	higher	high	ADJ
cet-14694	53	4	temperatures	temperature	NOUN
cet-14694	53	5	increase	increase	VERB
cet-14694	53	6	molecular	molecular	ADJ
cet-14694	53	7	speed	speed	NOUN
cet-14694	53	8	and	and	CCONJ
cet-14694	53	9	permeation	permeation	NOUN
cet-14694	53	10	rate	rate	NOUN
cet-14694	53	11	.	.	PUNCT
cet-14694	54	1	wall	wall	PROPN
cet-14694	54	2	thickness	thickness	PROPN
cet-14694	54	3	:	:	PUNCT
cet-14694	54	4	thicker	thick	ADJ
cet-14694	54	5	walls	wall	NOUN
cet-14694	54	6	reduce	reduce	VERB
cet-14694	54	7	permeation	permeation	NOUN
cet-14694	54	8	.	.	PUNCT
cet-14694	55	1	more	more	ADJ
cet-14694	55	2	information	information	NOUN
cet-14694	55	3	can	can	AUX
cet-14694	55	4	be	be	AUX
cet-14694	55	5	found	find	VERB
cet-14694	55	6	in	in	ADP
cet-14694	55	7	technical	technical	ADJ
cet-14694	55	8	references	reference	NOUN
cet-14694	55	9	on	on	ADP
cet-14694	55	10	hydrogen	hydrogen	NOUN
cet-14694	55	11	compatibility	compatibility	NOUN
cet-14694	55	12	of	of	ADP
cet-14694	55	13	materials	material	NOUN
cet-14694	55	14	,	,	PUNCT
cet-14694	55	15	summarizing	summarize	VERB
cet-14694	55	16	scientific	scientific	ADJ
cet-14694	55	17	and	and	CCONJ
cet-14694	55	18	institutional	institutional	ADJ
cet-14694	55	19	data	datum	NOUN
cet-14694	55	20	from	from	ADP
cet-14694	55	21	articles	article	NOUN
cet-14694	55	22	and	and	CCONJ
cet-14694	55	23	reports	report	NOUN
cet-14694	55	24	on	on	ADP
cet-14694	55	25	material	material	ADJ
cet-14694	55	26	selection	selection	NOUN
cet-14694	55	27	for	for	ADP
cet-14694	55	28	service	service	NOUN
cet-14694	55	29	with	with	ADP
cet-14694	55	30	hydrogen	hydrogen	NOUN
cet-14694	55	31	gas	gas	NOUN
cet-14694	55	32	.	.	PUNCT
cet-14694	56	1	other	other	ADJ
cet-14694	56	2	codes	code	NOUN
cet-14694	56	3	and	and	CCONJ
cet-14694	56	4	standards	standard	NOUN
cet-14694	56	5	for	for	ADP
cet-14694	56	6	safety	safety	NOUN
cet-14694	56	7	related	relate	VERB
cet-14694	56	8	to	to	ADP
cet-14694	56	9	material	material	NOUN
cet-14694	56	10	selection	selection	NOUN
cet-14694	56	11	include	include	VERB
cet-14694	56	12	ifgc	ifgc	PROPN
cet-14694	56	13	5003.2.2.1	5003.2.2.1	NOUN
cet-14694	56	14	,	,	PUNCT
cet-14694	56	15	ifgc	ifgc	ADJ
cet-14694	56	16	704.1.2.3	704.1.2.3	NUM
cet-14694	56	17	,	,	PUNCT
cet-14694	56	18	and	and	CCONJ
cet-14694	56	19	nfpa	nfpa	PROPN
cet-14694	56	20	2‐10.3.1.3	2‐10.3.1.3	PROPN
cet-14694	56	21	.	.	PROPN
cet-14694	56	22	4	4	NUM
cet-14694	56	23	.	.	NOUN
cet-14694	56	24	fluid	fluid	ADJ
cet-14694	56	25	system	system	NOUN
cet-14694	56	26	solution	solution	NOUN
cet-14694	56	27	a	a	DET
cet-14694	56	28	properly	properly	ADV
cet-14694	56	29	designed	design	VERB
cet-14694	56	30	hydrogen	hydrogen	NOUN
cet-14694	56	31	system	system	NOUN
cet-14694	56	32	must	must	AUX
cet-14694	56	33	ensure	ensure	VERB
cet-14694	56	34	hydrogen	hydrogen	NOUN
cet-14694	56	35	material	material	NOUN
cet-14694	56	36	compatibility	compatibility	NOUN
cet-14694	56	37	and	and	CCONJ
cet-14694	56	38	component	component	NOUN
cet-14694	56	39	suitability	suitability	NOUN
cet-14694	56	40	.	.	PUNCT
cet-14694	57	1	this	this	PRON
cet-14694	57	2	entails	entail	VERB
cet-14694	57	3	assessing	assess	VERB
cet-14694	57	4	materials	material	NOUN
cet-14694	57	5	and	and	CCONJ
cet-14694	57	6	components	component	NOUN
cet-14694	57	7	alongside	alongside	ADP
cet-14694	57	8	their	their	PRON
cet-14694	57	9	management	management	NOUN
cet-14694	57	10	and	and	CCONJ
cet-14694	57	11	control	control	NOUN
cet-14694	57	12	.	.	PUNCT
cet-14694	58	1	hence	hence	ADV
cet-14694	58	2	,	,	PUNCT
cet-14694	58	3	system	system	NOUN
cet-14694	58	4	specifications	specification	NOUN
cet-14694	58	5	should	should	AUX
cet-14694	58	6	be	be	AUX
cet-14694	58	7	a	a	DET
cet-14694	58	8	primary	primary	ADJ
cet-14694	58	9	consideration	consideration	NOUN
cet-14694	58	10	for	for	ADP
cet-14694	58	11	project	project	NOUN
cet-14694	58	12	engineers	engineer	NOUN
cet-14694	58	13	.	.	PUNCT
cet-14694	59	1	4.1	4.1	NUM
cet-14694	59	2	design	design	PROPN
cet-14694	59	3	&	&	CCONJ
cet-14694	59	4	assembly	assembly	PROPN
cet-14694	59	5	understanding	understanding	NOUN
cet-14694	59	6	fuel	fuel	NOUN
cet-14694	59	7	cell	cell	NOUN
cet-14694	59	8	requirements	requirement	NOUN
cet-14694	59	9	is	be	AUX
cet-14694	59	10	paramount	paramount	ADJ
cet-14694	59	11	before	before	ADP
cet-14694	59	12	commencing	commence	VERB
cet-14694	59	13	the	the	DET
cet-14694	59	14	system	system	NOUN
cet-14694	59	15	's	's	PART
cet-14694	59	16	design	design	NOUN
cet-14694	59	17	and	and	CCONJ
cet-14694	59	18	assembly	assembly	NOUN
cet-14694	59	19	.	.	PUNCT
cet-14694	60	1	it	it	PRON
cet-14694	60	2	's	be	AUX
cet-14694	60	3	essential	essential	ADJ
cet-14694	60	4	to	to	PART
cet-14694	60	5	identify	identify	VERB
cet-14694	60	6	key	key	ADJ
cet-14694	60	7	process	process	NOUN
cet-14694	60	8	variables	variable	NOUN
cet-14694	60	9	,	,	PUNCT
cet-14694	60	10	including	include	VERB
cet-14694	60	11	temperature	temperature	NOUN
cet-14694	60	12	,	,	PUNCT
cet-14694	60	13	pressure	pressure	NOUN
cet-14694	60	14	,	,	PUNCT
cet-14694	60	15	and	and	CCONJ
cet-14694	60	16	flow	flow	NOUN
cet-14694	60	17	rate	rate	NOUN
cet-14694	60	18	.	.	PUNCT
cet-14694	61	1	moreover	moreover	ADV
cet-14694	61	2	,	,	PUNCT
cet-14694	61	3	one	one	PRON
cet-14694	61	4	should	should	AUX
cet-14694	61	5	outline	outline	VERB
cet-14694	61	6	the	the	DET
cet-14694	61	7	necessary	necessary	ADJ
cet-14694	61	8	valves	valve	NOUN
cet-14694	61	9	,	,	PUNCT
cet-14694	61	10	sensors	sensor	NOUN
cet-14694	61	11	,	,	PUNCT
cet-14694	61	12	and	and	CCONJ
cet-14694	61	13	accessories	accessory	NOUN
cet-14694	61	14	for	for	ADP
cet-14694	61	15	operational	operational	ADJ
cet-14694	61	16	requirements	requirement	NOUN
cet-14694	61	17	.	.	PUNCT
cet-14694	62	1	as	as	SCONJ
cet-14694	62	2	frost	frost	NOUN
cet-14694	62	3	(	(	PUNCT
cet-14694	62	4	2022	2022	NUM
cet-14694	62	5	)	)	PUNCT
cet-14694	62	6	points	point	VERB
cet-14694	62	7	out	out	ADP
cet-14694	62	8	,	,	PUNCT
cet-14694	62	9	several	several	ADJ
cet-14694	62	10	best	good	ADJ
cet-14694	62	11	practices	practice	NOUN
cet-14694	62	12	ensure	ensure	VERB
cet-14694	62	13	safety	safety	NOUN
cet-14694	62	14	and	and	CCONJ
cet-14694	62	15	optimize	optimize	VERB
cet-14694	62	16	performance	performance	NOUN
cet-14694	62	17	in	in	ADP
cet-14694	62	18	fluid	fluid	ADJ
cet-14694	62	19	systems	system	NOUN
cet-14694	62	20	:	:	PUNCT
cet-14694	62	21	❖	❖	NUM
cet-14694	62	22	choose	choose	VERB
cet-14694	62	23	components	component	NOUN
cet-14694	62	24	based	base	VERB
cet-14694	62	25	on	on	ADP
cet-14694	62	26	material	material	NOUN
cet-14694	62	27	compatibility	compatibility	NOUN
cet-14694	62	28	.	.	PUNCT
cet-14694	63	1	❖	❖	AUX
cet-14694	63	2	simplify	simplify	VERB
cet-14694	63	3	designs	design	NOUN
cet-14694	63	4	wherever	wherever	SCONJ
cet-14694	63	5	possible	possible	ADJ
cet-14694	63	6	:	:	PUNCT
cet-14694	63	7	fewer	few	ADJ
cet-14694	63	8	connection	connection	NOUN
cet-14694	63	9	points	point	NOUN
cet-14694	63	10	minimize	minimize	VERB
cet-14694	63	11	potential	potential	ADJ
cet-14694	63	12	failures	failure	NOUN
cet-14694	63	13	.	.	PUNCT
cet-14694	64	1	opting	opt	VERB
cet-14694	64	2	for	for	ADP
cet-14694	64	3	bendable	bendable	ADJ
cet-14694	64	4	tubing	tubing	NOUN
cet-14694	64	5	over	over	ADP
cet-14694	64	6	piping	piping	NOUN
cet-14694	64	7	eases	ease	VERB
cet-14694	64	8	direction	direction	NOUN
cet-14694	64	9	changes	change	NOUN
cet-14694	64	10	.	.	PUNCT
cet-14694	65	1	❖	❖	VERB
cet-14694	65	2	steers	steer	NOUN
cet-14694	65	3	clear	clear	ADJ
cet-14694	65	4	of	of	ADP
cet-14694	65	5	component	component	NOUN
cet-14694	65	6	intermixing	intermixing	NOUN
cet-14694	65	7	:	:	PUNCT
cet-14694	65	8	using	use	VERB
cet-14694	65	9	components	component	NOUN
cet-14694	65	10	from	from	ADP
cet-14694	65	11	different	different	ADJ
cet-14694	65	12	manufacturers	manufacturer	NOUN
cet-14694	65	13	can	can	AUX
cet-14694	65	14	result	result	VERB
cet-14694	65	15	in	in	ADP
cet-14694	65	16	inconsistent	inconsistent	ADJ
cet-14694	65	17	performance	performance	NOUN
cet-14694	65	18	.	.	PUNCT
cet-14694	66	1	select	select	VERB
cet-14694	66	2	consistent	consistent	ADJ
cet-14694	66	3	fittings	fitting	NOUN
cet-14694	66	4	and	and	CCONJ
cet-14694	66	5	regulators	regulator	NOUN
cet-14694	66	6	from	from	ADP
cet-14694	66	7	trustworthy	trustworthy	ADJ
cet-14694	66	8	manufacturers	manufacturer	NOUN
cet-14694	66	9	.	.	PUNCT
cet-14694	67	1	always	always	ADV
cet-14694	67	2	heed	heed	VERB
cet-14694	67	3	manufacturer	manufacturer	NOUN
cet-14694	67	4	guidelines	guideline	NOUN
cet-14694	67	5	for	for	ADP
cet-14694	67	6	proper	proper	ADJ
cet-14694	67	7	assembly	assembly	NOUN
cet-14694	67	8	and	and	CCONJ
cet-14694	67	9	disassembly	disassembly	NOUN
cet-14694	67	10	of	of	ADP
cet-14694	67	11	tubing	tubing	NOUN
cet-14694	67	12	and	and	CCONJ
cet-14694	67	13	fittings	fitting	NOUN
cet-14694	67	14	.	.	PUNCT
cet-14694	68	1	❖	❖	AUX
cet-14694	68	2	design	design	VERB
cet-14694	68	3	your	your	PRON
cet-14694	68	4	system	system	NOUN
cet-14694	68	5	to	to	PART
cet-14694	68	6	handle	handle	VERB
cet-14694	68	7	regular	regular	ADJ
cet-14694	68	8	operational	operational	ADJ
cet-14694	68	9	conditions	condition	NOUN
cet-14694	68	10	,	,	PUNCT
cet-14694	68	11	such	such	ADJ
cet-14694	68	12	as	as	ADP
cet-14694	68	13	vibration	vibration	NOUN
cet-14694	68	14	,	,	PUNCT
cet-14694	68	15	high	high	ADJ
cet-14694	68	16	pressures	pressure	NOUN
cet-14694	68	17	,	,	PUNCT
cet-14694	68	18	and	and	CCONJ
cet-14694	68	19	temperatures	temperature	NOUN
cet-14694	68	20	.	.	PUNCT
cet-14694	69	1	once	once	SCONJ
cet-14694	69	2	you	you	PRON
cet-14694	69	3	grasp	grasp	VERB
cet-14694	69	4	the	the	DET
cet-14694	69	5	fuel	fuel	NOUN
cet-14694	69	6	cell	cell	NOUN
cet-14694	69	7	requirements	requirement	NOUN
cet-14694	69	8	,	,	PUNCT
cet-14694	69	9	initiate	initiate	VERB
cet-14694	69	10	:	:	PUNCT
cet-14694	70	1	❖	❖	NUM
cet-14694	70	2	cad	cad	NOUN
cet-14694	70	3	drawings	drawing	NOUN
cet-14694	70	4	❖	❖	NUM
cet-14694	70	5	piping	piping	NOUN
cet-14694	70	6	and	and	CCONJ
cet-14694	70	7	instrumentation	instrumentation	NOUN
cet-14694	70	8	design	design	NOUN
cet-14694	70	9	(	(	PUNCT
cet-14694	70	10	p&id	p&id	NOUN
cet-14694	70	11	)	)	PUNCT
cet-14694	70	12	❖	❖	VERB
cet-14694	70	13	component	component	NOUN
cet-14694	70	14	selection	selection	NOUN
cet-14694	70	15	and	and	CCONJ
cet-14694	70	16	sourcing	sourcing	NOUN
cet-14694	70	17	using	use	VERB
cet-14694	70	18	the	the	DET
cet-14694	70	19	s.t.a.m.p.e.d	s.t.a.m.p.e.d	NOUN
cet-14694	70	20	method	method	NOUN
cet-14694	70	21	:	:	PUNCT
cet-14694	70	22	size	size	NOUN
cet-14694	70	23	,	,	PUNCT
cet-14694	70	24	temperature	temperature	NOUN
cet-14694	70	25	,	,	PUNCT
cet-14694	70	26	application	application	NOUN
cet-14694	70	27	,	,	PUNCT
cet-14694	70	28	material	material	NOUN
cet-14694	70	29	,	,	PUNCT
cet-14694	70	30	pressure	pressure	NOUN
cet-14694	70	31	,	,	PUNCT
cet-14694	70	32	end	end	NOUN
cet-14694	70	33	connection	connection	NOUN
cet-14694	70	34	,	,	PUNCT
cet-14694	70	35	and	and	CCONJ
cet-14694	70	36	delivery	delivery	NOUN
cet-14694	70	37	.	.	PUNCT
cet-14694	71	1	❖	❖	VERB
cet-14694	71	2	bills	bill	NOUN
cet-14694	71	3	of	of	ADP
cet-14694	71	4	materials	material	NOUN
cet-14694	71	5	(	(	PUNCT
cet-14694	71	6	bom	bom	NOUN
cet-14694	71	7	)	)	PUNCT
cet-14694	71	8	4.2	4.2	NUM
cet-14694	71	9	pem	pem	NOUN
cet-14694	71	10	fuel	fuel	NOUN
cet-14694	71	11	cell	cell	NOUN
cet-14694	71	12	system	system	NOUN
cet-14694	71	13	pemfcs	pemfc	NOUN
cet-14694	71	14	utilize	utilize	VERB
cet-14694	71	15	a	a	DET
cet-14694	71	16	solid	solid	ADJ
cet-14694	71	17	,	,	PUNCT
cet-14694	71	18	polymeric	polymeric	ADJ
cet-14694	71	19	membrane	membrane	NOUN
cet-14694	71	20	,	,	PUNCT
cet-14694	71	21	typically	typically	ADV
cet-14694	71	22	nafion	nafion	NOUN
cet-14694	71	23	®	®	NOUN
cet-14694	71	24	,	,	PUNCT
cet-14694	71	25	for	for	ADP
cet-14694	71	26	proton	proton	NOUN
cet-14694	71	27	transport	transport	NOUN
cet-14694	71	28	.	.	PUNCT
cet-14694	72	1	this	this	DET
cet-14694	72	2	material	material	NOUN
cet-14694	72	3	,	,	PUNCT
cet-14694	72	4	resulting	result	VERB
cet-14694	72	5	from	from	ADP
cet-14694	72	6	perfluorinated	perfluorinate	VERB
cet-14694	72	7	vinyl	vinyl	NOUN
cet-14694	72	8	ether	ether	NOUN
cet-14694	72	9	copolymerization	copolymerization	NOUN
cet-14694	72	10	,	,	PUNCT
cet-14694	72	11	displays	display	VERB
cet-14694	72	12	hydrophilic	hydrophilic	ADJ
cet-14694	72	13	properties	property	NOUN
cet-14694	72	14	due	due	ADJ
cet-14694	72	15	to	to	ADP
cet-14694	72	16	its	its	PRON
cet-14694	72	17	attached	attach	VERB
cet-14694	72	18	perfluoroether	perfluoroether	ADJ
cet-14694	72	19	side	side	NOUN
cet-14694	72	20	chains	chain	NOUN
cet-14694	72	21	,	,	PUNCT
cet-14694	72	22	which	which	PRON
cet-14694	72	23	facilitate	facilitate	VERB
cet-14694	72	24	hydration	hydration	NOUN
cet-14694	72	25	and	and	CCONJ
cet-14694	72	26	proton	proton	NOUN
cet-14694	72	27	mobility	mobility	NOUN
cet-14694	72	28	(	(	PUNCT
cet-14694	72	29	liang	liang	PROPN
cet-14694	72	30	et	et	PROPN
cet-14694	72	31	al	al	PROPN
cet-14694	72	32	,	,	PUNCT
cet-14694	72	33	2012	2012	NUM
cet-14694	72	34	)	)	PUNCT
cet-14694	72	35	.	.	PUNCT
cet-14694	73	1	perles	perles	PROPN
cet-14694	73	2	(	(	PUNCT
cet-14694	73	3	2008	2008	NUM
cet-14694	73	4	)	)	PUNCT
cet-14694	73	5	stresses	stress	VERB
cet-14694	73	6	the	the	DET
cet-14694	73	7	importance	importance	NOUN
cet-14694	73	8	of	of	ADP
cet-14694	73	9	the	the	DET
cet-14694	73	10	membrane	membrane	NOUN
cet-14694	73	11	remaining	remain	VERB
cet-14694	73	12	hydrated	hydrated	ADJ
cet-14694	73	13	to	to	PART
cet-14694	73	14	maintain	maintain	VERB
cet-14694	73	15	high	high	ADJ
cet-14694	73	16	ion	ion	NOUN
cet-14694	73	17	conductivity	conductivity	NOUN
cet-14694	73	18	.	.	PUNCT
cet-14694	74	1	managing	manage	VERB
cet-14694	74	2	water	water	NOUN
cet-14694	74	3	content	content	NOUN
cet-14694	74	4	is	be	AUX
cet-14694	74	5	a	a	DET
cet-14694	74	6	pressing	press	VERB
cet-14694	74	7	challenge	challenge	NOUN
cet-14694	74	8	for	for	ADP
cet-14694	74	9	commercializing	commercialize	VERB
cet-14694	74	10	low	low	ADJ
cet-14694	74	11	-	-	PUNCT
cet-14694	74	12	temperature	temperature	NOUN
cet-14694	74	13	pemfcs	pemfc	NOUN
cet-14694	74	14	since	since	SCONJ
cet-14694	74	15	decreasing	decrease	VERB
cet-14694	74	16	water	water	NOUN
cet-14694	74	17	content	content	NOUN
cet-14694	74	18	linearly	linearly	ADV
cet-14694	74	19	reduces	reduce	VERB
cet-14694	74	20	conductivity	conductivity	NOUN
cet-14694	74	21	(	(	PUNCT
cet-14694	74	22	janssen	janssen	PROPN
cet-14694	74	23	&	&	CCONJ
cet-14694	74	24	overvelde	overvelde	PROPN
cet-14694	74	25	,	,	PUNCT
cet-14694	74	26	2001	2001	NUM
cet-14694	74	27	)	)	PUNCT
cet-14694	74	28	.	.	PUNCT
cet-14694	75	1	recent	recent	ADJ
cet-14694	75	2	decades	decade	NOUN
cet-14694	75	3	have	have	AUX
cet-14694	75	4	seen	see	VERB
cet-14694	75	5	extensive	extensive	ADJ
cet-14694	75	6	research	research	NOUN
cet-14694	75	7	on	on	ADP
cet-14694	75	8	fuel	fuel	NOUN
cet-14694	75	9	cell	cell	NOUN
cet-14694	75	10	humidification	humidification	NOUN
cet-14694	75	11	.	.	PUNCT
cet-14694	76	1	broadly	broadly	ADV
cet-14694	76	2	,	,	PUNCT
cet-14694	76	3	humidification	humidification	NOUN
cet-14694	76	4	can	can	AUX
cet-14694	76	5	be	be	AUX
cet-14694	76	6	internal	internal	ADJ
cet-14694	76	7	,	,	PUNCT
cet-14694	76	8	encompassing	encompass	VERB
cet-14694	76	9	physical	physical	ADJ
cet-14694	76	10	and	and	CCONJ
cet-14694	76	11	chemical	chemical	NOUN
cet-14694	76	12	methods	method	NOUN
cet-14694	76	13	,	,	PUNCT
cet-14694	76	14	or	or	CCONJ
cet-14694	76	15	external	external	ADJ
cet-14694	76	16	,	,	PUNCT
cet-14694	76	17	involving	involve	VERB
cet-14694	76	18	methods	method	NOUN
cet-14694	76	19	like	like	ADP
cet-14694	76	20	gas	gas	NOUN
cet-14694	76	21	bubbling	bubbling	NOUN
cet-14694	76	22	,	,	PUNCT
cet-14694	76	23	direct	direct	ADJ
cet-14694	76	24	water	water	NOUN
cet-14694	76	25	injection	injection	NOUN
cet-14694	76	26	,	,	PUNCT
cet-14694	76	27	and	and	CCONJ
cet-14694	76	28	exhaust	exhaust	NOUN
cet-14694	76	29	gas	gas	NOUN
cet-14694	76	30	recirculation	recirculation	NOUN
cet-14694	76	31	(	(	PUNCT
cet-14694	76	32	lu	lu	PROPN
cet-14694	76	33	&	&	CCONJ
cet-14694	76	34	wang	wang	PROPN
cet-14694	76	35	,	,	PUNCT
cet-14694	76	36	2004	2004	NUM
cet-14694	76	37	)	)	PUNCT
cet-14694	76	38	.	.	PUNCT
cet-14694	77	1	traditional	traditional	ADJ
cet-14694	77	2	systems	system	NOUN
cet-14694	77	3	pre	pre	VERB
cet-14694	77	4	-	-	ADJ
cet-14694	77	5	humidify	humidify	VERB
cet-14694	77	6	reactant	reactant	NOUN
cet-14694	77	7	gases	gas	NOUN
cet-14694	77	8	before	before	ADP
cet-14694	77	9	introducing	introduce	VERB
cet-14694	77	10	them	they	PRON
cet-14694	77	11	to	to	ADP
cet-14694	77	12	the	the	DET
cet-14694	77	13	fuel	fuel	NOUN
cet-14694	77	14	cell	cell	NOUN
cet-14694	77	15	to	to	PART
cet-14694	77	16	prevent	prevent	VERB
cet-14694	77	17	membrane	membrane	NOUN
cet-14694	77	18	drying	drying	NOUN
cet-14694	77	19	.	.	PUNCT
cet-14694	78	1	however	however	ADV
cet-14694	78	2	,	,	PUNCT
cet-14694	78	3	external	external	ADJ
cet-14694	78	4	humidification	humidification	NOUN
cet-14694	78	5	can	can	AUX
cet-14694	78	6	complicate	complicate	VERB
cet-14694	78	7	systems	system	NOUN
cet-14694	78	8	and	and	CCONJ
cet-14694	78	9	diminish	diminish	VERB
cet-14694	78	10	energy	energy	NOUN
cet-14694	78	11	efficiency	efficiency	NOUN
cet-14694	78	12	.	.	PUNCT
cet-14694	79	1	therefore	therefore	ADV
cet-14694	79	2	,	,	PUNCT
cet-14694	79	3	pursuing	pursue	VERB
cet-14694	79	4	self	self	NOUN
cet-14694	79	5	-	-	PUNCT
cet-14694	79	6	humidifying	humidify	VERB
cet-14694	79	7	or	or	CCONJ
cet-14694	79	8	low	low	ADJ
cet-14694	79	9	-	-	PUNCT
cet-14694	79	10	humidity	humidity	NOUN
cet-14694	79	11	mea	mea	NOUN
cet-14694	79	12	can	can	AUX
cet-14694	79	13	streamline	streamline	VERB
cet-14694	79	14	and	and	CCONJ
cet-14694	79	15	economize	economize	VERB
cet-14694	79	16	pemfcs	pemfc	NOUN
cet-14694	79	17	(	(	PUNCT
cet-14694	79	18	liang	liang	PROPN
cet-14694	79	19	et	et	PROPN
cet-14694	79	20	al	al	PROPN
cet-14694	79	21	,	,	PUNCT
cet-14694	79	22	2016	2016	NUM
cet-14694	79	23	)	)	PUNCT
cet-14694	79	24	.	.	PUNCT
cet-14694	80	1	common	common	ADJ
cet-14694	80	2	components	component	NOUN
cet-14694	80	3	for	for	ADP
cet-14694	80	4	constructing	construct	VERB
cet-14694	80	5	a	a	DET
cet-14694	80	6	pem	pem	NOUN
cet-14694	80	7	fuel	fuel	NOUN
cet-14694	80	8	cell	cell	NOUN
cet-14694	80	9	system	system	NOUN
cet-14694	80	10	include	include	VERB
cet-14694	80	11	a	a	DET
cet-14694	80	12	heat	heat	NOUN
cet-14694	80	13	exchanger	exchanger	NOUN
cet-14694	80	14	(	(	PUNCT
cet-14694	80	15	air	air	NOUN
cet-14694	80	16	,	,	PUNCT
cet-14694	80	17	water	water	NOUN
cet-14694	80	18	)	)	PUNCT
cet-14694	80	19	,	,	PUNCT
cet-14694	80	20	humidifier	humidifier	NOUN
cet-14694	80	21	,	,	PUNCT
cet-14694	80	22	air	air	NOUN
cet-14694	80	23	pump	pump	NOUN
cet-14694	80	24	and	and	CCONJ
cet-14694	80	25	blower	blower	NOUN
cet-14694	80	26	,	,	PUNCT
cet-14694	80	27	power	power	NOUN
cet-14694	80	28	system	system	NOUN
cet-14694	80	29	,	,	PUNCT
cet-14694	80	30	dc	dc	PROPN
cet-14694	80	31	/	/	SYM
cet-14694	80	32	dc	dc	PROPN
cet-14694	80	33	converter	converter	NOUN
cet-14694	80	34	,	,	PUNCT
cet-14694	80	35	hydrogen	hydrogen	NOUN
cet-14694	80	36	tank	tank	NOUN
cet-14694	80	37	,	,	PUNCT
cet-14694	80	38	control	control	NOUN
cet-14694	80	39	valves	valve	NOUN
cet-14694	80	40	,	,	PUNCT
cet-14694	80	41	regulator	regulator	NOUN
cet-14694	80	42	pressure	pressure	NOUN
cet-14694	80	43	,	,	PUNCT
cet-14694	80	44	controller	controller	NOUN
cet-14694	80	45	system	system	NOUN
cet-14694	80	46	,	,	PUNCT
cet-14694	80	47	cooling	cooling	NOUN
cet-14694	80	48	,	,	PUNCT
cet-14694	80	49	and	and	CCONJ
cet-14694	80	50	preheating	preheating	NOUN
cet-14694	80	51	system	system	NOUN
cet-14694	80	52	(	(	PUNCT
cet-14694	80	53	ballard	ballard	NOUN
cet-14694	80	54	,	,	PUNCT
cet-14694	80	55	2024	2024	NUM
cet-14694	80	56	)	)	PUNCT
cet-14694	80	57	.	.	PUNCT
cet-14694	81	1	as	as	SCONJ
cet-14694	81	2	can	can	AUX
cet-14694	81	3	be	be	AUX
cet-14694	81	4	seen	see	VERB
cet-14694	81	5	in	in	ADP
cet-14694	81	6	figure	figure	NOUN
cet-14694	81	7	1a	1a	NOUN
cet-14694	81	8	,	,	PUNCT
cet-14694	81	9	presented	present	VERB
cet-14694	81	10	in	in	ADP
cet-14694	81	11	the	the	DET
cet-14694	81	12	pemfc	pemfc	ADJ
cet-14694	81	13	product	product	NOUN
cet-14694	81	14	manual	manual	NOUN
cet-14694	81	15	.	.	PUNCT
cet-14694	82	1	4.3	4.3	NUM
cet-14694	82	2	self	self	NOUN
cet-14694	82	3	-	-	PUNCT
cet-14694	82	4	humidifying	humidify	VERB
cet-14694	82	5	mea	mea	NOUN
cet-14694	82	6	fuel	fuel	NOUN
cet-14694	82	7	cell	cell	NOUN
cet-14694	82	8	requirements	requirement	NOUN
cet-14694	82	9	although	although	SCONJ
cet-14694	82	10	pemfcs	pemfc	NOUN
cet-14694	82	11	generally	generally	ADV
cet-14694	82	12	require	require	VERB
cet-14694	82	13	humidifiers	humidifier	NOUN
cet-14694	82	14	,	,	PUNCT
cet-14694	82	15	recent	recent	ADJ
cet-14694	82	16	innovations	innovation	NOUN
cet-14694	82	17	have	have	AUX
cet-14694	82	18	produced	produce	VERB
cet-14694	82	19	self	self	NOUN
cet-14694	82	20	-	-	PUNCT
cet-14694	82	21	humidifying	humidify	VERB
cet-14694	82	22	meas	mea	NOUN
cet-14694	82	23	.	.	PUNCT
cet-14694	83	1	one	one	NUM
cet-14694	83	2	approach	approach	NOUN
cet-14694	83	3	involves	involve	VERB
cet-14694	83	4	integrating	integrate	VERB
cet-14694	83	5	precious	precious	ADJ
cet-14694	83	6	metals	metal	NOUN
cet-14694	83	7	and	and	CCONJ
cet-14694	83	8	inorganic	inorganic	ADJ
cet-14694	83	9	oxide	oxide	NOUN
cet-14694	83	10	particles	particle	NOUN
cet-14694	83	11	into	into	ADP
cet-14694	83	12	the	the	DET
cet-14694	83	13	membrane	membrane	NOUN
cet-14694	83	14	.	.	PUNCT
cet-14694	84	1	however	however	ADV
cet-14694	84	2	,	,	PUNCT
cet-14694	84	3	this	this	DET
cet-14694	84	4	method	method	NOUN
cet-14694	84	5	can	can	AUX
cet-14694	84	6	be	be	AUX
cet-14694	84	7	complex	complex	ADJ
cet-14694	84	8	,	,	PUNCT
cet-14694	84	9	expensive	expensive	ADJ
cet-14694	84	10	,	,	PUNCT
cet-14694	84	11	and	and	CCONJ
cet-14694	84	12	potentially	potentially	ADV
cet-14694	84	13	detrimental	detrimental	ADJ
cet-14694	84	14	to	to	ADP
cet-14694	84	15	membrane	membrane	NOUN
cet-14694	84	16	conductivity	conductivity	NOUN
cet-14694	84	17	.	.	PUNCT
cet-14694	85	1	this	this	DET
cet-14694	85	2	study	study	NOUN
cet-14694	85	3	focuses	focus	VERB
cet-14694	85	4	on	on	ADP
cet-14694	85	5	a	a	DET
cet-14694	85	6	self	self	NOUN
cet-14694	85	7	-	-	PUNCT
cet-14694	85	8	humidifying	humidify	VERB
cet-14694	85	9	,	,	PUNCT
cet-14694	85	10	air	air	NOUN
cet-14694	85	11	-	-	PUNCT
cet-14694	85	12	cooled	cool	VERB
cet-14694	85	13	stack	stack	NOUN
cet-14694	85	14	developed	develop	VERB
cet-14694	85	15	by	by	ADP
cet-14694	85	16	ballard	ballard	PROPN
cet-14694	85	17	inc	inc	PROPN
cet-14694	85	18	.	.	PUNCT
cet-14694	86	1	this	this	DET
cet-14694	86	2	design	design	NOUN
cet-14694	86	3	simplifies	simplify	VERB
cet-14694	86	4	the	the	DET
cet-14694	86	5	system	system	NOUN
cet-14694	86	6	and	and	CCONJ
cet-14694	86	7	reduces	reduce	VERB
cet-14694	86	8	costs	cost	NOUN
cet-14694	86	9	by	by	ADP
cet-14694	86	10	eliminating	eliminate	VERB
cet-14694	86	11	several	several	ADJ
cet-14694	86	12	components	component	NOUN
cet-14694	86	13	,	,	PUNCT
cet-14694	86	14	as	as	SCONJ
cet-14694	86	15	reflected	reflect	VERB
cet-14694	86	16	in	in	ADP
cet-14694	86	17	figure	figure	NOUN
cet-14694	86	18	1	1	NUM
cet-14694	86	19	b	b	NOUN
cet-14694	86	20	,	,	PUNCT
cet-14694	86	21	presented	present	VERB
cet-14694	86	22	in	in	ADP
cet-14694	86	23	the	the	DET
cet-14694	86	24	pemfc	pemfc	ADJ
cet-14694	86	25	product	product	NOUN
cet-14694	86	26	manual	manual	NOUN
cet-14694	86	27	.	.	PUNCT
cet-14694	87	1	447	447	NUM
cet-14694	87	2	https://www.swagelok.com/en/engineering-services/design-assembly	https://www.swagelok.com/en/engineering-services/design-assembly	ADV
cet-14694	87	3	figure	figure	NOUN
cet-14694	87	4	1	1	NUM
cet-14694	87	5	.	.	PUNCT
cet-14694	87	6	a	a	X
cet-14694	87	7	)	)	PUNCT
cet-14694	87	8	conventional	conventional	ADJ
cet-14694	87	9	fuel	fuel	NOUN
cet-14694	87	10	cell	cell	NOUN
cet-14694	87	11	system	system	NOUN
cet-14694	87	12	requirements	requirement	NOUN
cet-14694	87	13	.	.	PUNCT
cet-14694	88	1	b	b	X
cet-14694	88	2	)	)	PUNCT
cet-14694	88	3	self	self	NOUN
cet-14694	88	4	-	-	PUNCT
cet-14694	88	5	humidifying	humidify	VERB
cet-14694	88	6	fuel	fuel	NOUN
cet-14694	88	7	cell	cell	NOUN
cet-14694	88	8	system	system	NOUN
cet-14694	88	9	requirements	requirement	NOUN
cet-14694	88	10	.	.	PUNCT
cet-14694	89	1	the	the	DET
cet-14694	89	2	piping	piping	NOUN
cet-14694	89	3	design	design	NOUN
cet-14694	89	4	only	only	ADV
cet-14694	89	5	considers	consider	VERB
cet-14694	89	6	the	the	DET
cet-14694	89	7	hydrogen	hydrogen	NOUN
cet-14694	89	8	stream	stream	NOUN
cet-14694	89	9	,	,	PUNCT
cet-14694	89	10	once	once	SCONJ
cet-14694	89	11	the	the	DET
cet-14694	89	12	fan	fan	NOUN
cet-14694	89	13	provides	provide	VERB
cet-14694	89	14	the	the	DET
cet-14694	89	15	oxidant	oxidant	NOUN
cet-14694	89	16	,	,	PUNCT
cet-14694	89	17	this	this	DET
cet-14694	89	18	factor	factor	NOUN
cet-14694	89	19	makes	make	VERB
cet-14694	89	20	the	the	DET
cet-14694	89	21	minimal	minimal	ADJ
cet-14694	89	22	requirements	requirement	NOUN
cet-14694	89	23	for	for	ADP
cet-14694	89	24	fc	fc	PROPN
cet-14694	89	25	operation	operation	NOUN
cet-14694	89	26	easier	easy	ADJ
cet-14694	89	27	,	,	PUNCT
cet-14694	89	28	as	as	SCONJ
cet-14694	89	29	can	can	AUX
cet-14694	89	30	be	be	AUX
cet-14694	89	31	seen	see	VERB
cet-14694	89	32	in	in	ADP
cet-14694	89	33	figure	figure	NOUN
cet-14694	89	34	2	2	NUM
cet-14694	89	35	,	,	PUNCT
cet-14694	89	36	from	from	ADP
cet-14694	89	37	the	the	DET
cet-14694	89	38	pemfc	pemfc	ADJ
cet-14694	89	39	product	product	NOUN
cet-14694	89	40	manual	manual	NOUN
cet-14694	89	41	.	.	PUNCT
cet-14694	90	1	requires	require	VERB
cet-14694	90	2	a	a	DET
cet-14694	90	3	minimum	minimum	NOUN
cet-14694	90	4	of	of	ADP
cet-14694	90	5	3	3	NUM
cet-14694	90	6	valves	valve	NOUN
cet-14694	90	7	and	and	CCONJ
cet-14694	90	8	2	2	NUM
cet-14694	90	9	sensors	sensor	NOUN
cet-14694	90	10	to	to	PART
cet-14694	90	11	well	well	ADV
cet-14694	90	12	manage	manage	VERB
cet-14694	90	13	the	the	DET
cet-14694	90	14	fuel	fuel	NOUN
cet-14694	90	15	flow	flow	NOUN
cet-14694	90	16	and	and	CCONJ
cet-14694	90	17	pressure	pressure	NOUN
cet-14694	90	18	into	into	ADP
cet-14694	90	19	the	the	DET
cet-14694	90	20	stack	stack	NOUN
cet-14694	90	21	.	.	PUNCT
cet-14694	91	1	for	for	ADP
cet-14694	91	2	the	the	DET
cet-14694	91	3	cathode	cathode	NOUN
cet-14694	91	4	side	side	NOUN
cet-14694	91	5	,	,	PUNCT
cet-14694	91	6	a	a	DET
cet-14694	91	7	temperature	temperature	NOUN
cet-14694	91	8	sensor	sensor	NOUN
cet-14694	91	9	and	and	CCONJ
cet-14694	91	10	a	a	DET
cet-14694	91	11	fan	fan	NOUN
cet-14694	91	12	to	to	PART
cet-14694	91	13	cool	cool	VERB
cet-14694	91	14	down	down	ADP
cet-14694	91	15	and	and	CCONJ
cet-14694	91	16	provide	provide	VERB
cet-14694	91	17	oxygen	oxygen	NOUN
cet-14694	91	18	are	be	AUX
cet-14694	91	19	required	require	VERB
cet-14694	91	20	(	(	PUNCT
cet-14694	91	21	ballard	ballard	NOUN
cet-14694	91	22	,	,	PUNCT
cet-14694	91	23	2024	2024	NUM
cet-14694	91	24	)	)	PUNCT
cet-14694	91	25	.	.	PUNCT
cet-14694	92	1	figure	figure	NOUN
cet-14694	92	2	2	2	NUM
cet-14694	92	3	.	.	NOUN
cet-14694	92	4	minimal	minimal	ADJ
cet-14694	92	5	requirements	requirement	NOUN
cet-14694	92	6	for	for	ADP
cet-14694	92	7	fc	fc	PROPN
cet-14694	92	8	operation	operation	NOUN
cet-14694	92	9	.	.	PUNCT
cet-14694	93	1	4.4	4.4	NUM
cet-14694	93	2	system	system	NOUN
cet-14694	93	3	configuration	configuration	NOUN
cet-14694	93	4	overview	overview	VERB
cet-14694	93	5	the	the	DET
cet-14694	93	6	foundation	foundation	NOUN
cet-14694	93	7	of	of	ADP
cet-14694	93	8	a	a	DET
cet-14694	93	9	robust	robust	ADJ
cet-14694	93	10	piping	piping	NOUN
cet-14694	93	11	system	system	NOUN
cet-14694	93	12	lies	lie	VERB
cet-14694	93	13	in	in	ADP
cet-14694	93	14	the	the	DET
cet-14694	93	15	precise	precise	ADJ
cet-14694	93	16	selection	selection	NOUN
cet-14694	93	17	and	and	CCONJ
cet-14694	93	18	arrangement	arrangement	NOUN
cet-14694	93	19	of	of	ADP
cet-14694	93	20	its	its	PRON
cet-14694	93	21	components	component	NOUN
cet-14694	93	22	.	.	PUNCT
cet-14694	94	1	from	from	ADP
cet-14694	94	2	the	the	DET
cet-14694	94	3	sae	sae	PROPN
cet-14694	94	4	brasil	brasil	PROPN
cet-14694	94	5	safety	safety	PROPN
cet-14694	94	6	rule	rule	NOUN
cet-14694	94	7	,	,	PUNCT
cet-14694	94	8	figure	figure	NOUN
cet-14694	94	9	3	3	NUM
cet-14694	94	10	delineates	delineate	VERB
cet-14694	94	11	the	the	DET
cet-14694	94	12	basic	basic	ADJ
cet-14694	94	13	components	component	NOUN
cet-14694	94	14	required	require	VERB
cet-14694	94	15	,	,	PUNCT
cet-14694	94	16	although	although	SCONJ
cet-14694	94	17	additional	additional	ADJ
cet-14694	94	18	elements	element	NOUN
cet-14694	94	19	can	can	AUX
cet-14694	94	20	be	be	AUX
cet-14694	94	21	incorporated	incorporate	VERB
cet-14694	94	22	subject	subject	ADJ
cet-14694	94	23	to	to	ADP
cet-14694	94	24	the	the	DET
cet-14694	94	25	evaluation	evaluation	NOUN
cet-14694	94	26	of	of	ADP
cet-14694	94	27	competition	competition	NOUN
cet-14694	94	28	authorities	authority	NOUN
cet-14694	94	29	concerning	concern	VERB
cet-14694	94	30	safety	safety	NOUN
cet-14694	94	31	.	.	PUNCT
cet-14694	95	1	essential	essential	ADJ
cet-14694	95	2	system	system	NOUN
cet-14694	95	3	components	component	NOUN
cet-14694	95	4	include	include	VERB
cet-14694	95	5	:	:	PUNCT
cet-14694	95	6	❖	❖	VERB
cet-14694	95	7	hydrogen	hydrogen	NOUN
cet-14694	95	8	storage	storage	NOUN
cet-14694	95	9	and	and	CCONJ
cet-14694	95	10	delivery	delivery	NOUN
cet-14694	95	11	:	:	PUNCT
cet-14694	95	12	hydrogen	hydrogen	NOUN
cet-14694	95	13	storage	storage	NOUN
cet-14694	95	14	tank	tank	NOUN
cet-14694	95	15	,	,	PUNCT
cet-14694	95	16	filling	fill	VERB
cet-14694	95	17	plug	plug	NOUN
cet-14694	95	18	with	with	ADP
cet-14694	95	19	an	an	DET
cet-14694	95	20	optional	optional	ADJ
cet-14694	95	21	safety	safety	NOUN
cet-14694	95	22	valve	valve	NOUN
cet-14694	95	23	,	,	PUNCT
cet-14694	95	24	main	main	ADJ
cet-14694	95	25	cutoff	cutoff	NOUN
cet-14694	95	26	valve	valve	NOUN
cet-14694	95	27	,	,	PUNCT
cet-14694	95	28	and	and	CCONJ
cet-14694	95	29	metal	metal	NOUN
cet-14694	95	30	braided	braid	VERB
cet-14694	95	31	flexible	flexible	ADJ
cet-14694	95	32	hose	hose	NOUN
cet-14694	95	33	form	form	VERB
cet-14694	95	34	the	the	DET
cet-14694	95	35	core	core	NOUN
cet-14694	95	36	of	of	ADP
cet-14694	95	37	hydrogen	hydrogen	NOUN
cet-14694	95	38	supply	supply	NOUN
cet-14694	95	39	to	to	ADP
cet-14694	95	40	the	the	DET
cet-14694	95	41	fuel	fuel	NOUN
cet-14694	95	42	cell	cell	NOUN
cet-14694	95	43	stack	stack	NOUN
cet-14694	95	44	,	,	PUNCT
cet-14694	95	45	ensuring	ensure	VERB
cet-14694	95	46	a	a	DET
cet-14694	95	47	secure	secure	ADJ
cet-14694	95	48	and	and	CCONJ
cet-14694	95	49	controllable	controllable	ADJ
cet-14694	95	50	hydrogen	hydrogen	NOUN
cet-14694	95	51	flow	flow	NOUN
cet-14694	95	52	.	.	PUNCT
cet-14694	96	1	❖	❖	VERB
cet-14694	96	2	pressure	pressure	NOUN
cet-14694	96	3	regulation	regulation	NOUN
cet-14694	96	4	and	and	CCONJ
cet-14694	96	5	monitoring	monitoring	NOUN
cet-14694	96	6	:	:	PUNCT
cet-14694	96	7	components	component	NOUN
cet-14694	96	8	like	like	ADP
cet-14694	96	9	the	the	DET
cet-14694	96	10	pressure	pressure	NOUN
cet-14694	96	11	regulation	regulation	NOUN
cet-14694	96	12	valve	valve	NOUN
cet-14694	96	13	,	,	PUNCT
cet-14694	96	14	relief	relief	NOUN
cet-14694	96	15	valve	valve	NOUN
cet-14694	96	16	,	,	PUNCT
cet-14694	96	17	and	and	CCONJ
cet-14694	96	18	pressure	pressure	NOUN
cet-14694	96	19	transducer	transducer	NOUN
cet-14694	96	20	are	be	AUX
cet-14694	96	21	pivotal	pivotal	ADJ
cet-14694	96	22	in	in	ADP
cet-14694	96	23	maintaining	maintain	VERB
cet-14694	96	24	desired	desire	VERB
cet-14694	96	25	pressure	pressure	NOUN
cet-14694	96	26	levels	level	NOUN
cet-14694	96	27	,	,	PUNCT
cet-14694	96	28	thereby	thereby	ADV
cet-14694	96	29	preventing	prevent	VERB
cet-14694	96	30	overpressure	overpressure	NOUN
cet-14694	96	31	and	and	CCONJ
cet-14694	96	32	fuel	fuel	NOUN
cet-14694	96	33	cell	cell	NOUN
cet-14694	96	34	starvation	starvation	NOUN
cet-14694	96	35	.	.	PUNCT
cet-14694	97	1	❖	❖	NOUN
cet-14694	97	2	fuel	fuel	NOUN
cet-14694	97	3	cell	cell	NOUN
cet-14694	97	4	stack	stack	NOUN
cet-14694	97	5	connection	connection	NOUN
cet-14694	97	6	:	:	PUNCT
cet-14694	97	7	the	the	DET
cet-14694	97	8	system	system	NOUN
cet-14694	97	9	employs	employ	VERB
cet-14694	97	10	flexible	flexible	ADJ
cet-14694	97	11	hoses	hose	NOUN
cet-14694	97	12	at	at	ADP
cet-14694	97	13	fuel	fuel	NOUN
cet-14694	97	14	cell	cell	NOUN
cet-14694	97	15	inlet	inlet	NOUN
cet-14694	97	16	and	and	CCONJ
cet-14694	97	17	outlet	outlet	NOUN
cet-14694	97	18	ports	port	NOUN
cet-14694	97	19	to	to	PART
cet-14694	97	20	avert	avert	VERB
cet-14694	97	21	vibration	vibration	NOUN
cet-14694	97	22	and	and	CCONJ
cet-14694	97	23	load	load	NOUN
cet-14694	97	24	transfer	transfer	NOUN
cet-14694	97	25	,	,	PUNCT
cet-14694	97	26	safeguarding	safeguard	VERB
cet-14694	97	27	the	the	DET
cet-14694	97	28	fuel	fuel	NOUN
cet-14694	97	29	cell	cell	NOUN
cet-14694	97	30	stack	stack	NOUN
cet-14694	97	31	and	and	CCONJ
cet-14694	97	32	facilitating	facilitate	VERB
cet-14694	97	33	easy	easy	ADJ
cet-14694	97	34	maintenance	maintenance	NOUN
cet-14694	97	35	.	.	PUNCT
cet-14694	98	1	❖	❖	VERB
cet-14694	98	2	hydrogen	hydrogen	NOUN
cet-14694	98	3	flow	flow	NOUN
cet-14694	98	4	control	control	NOUN
cet-14694	98	5	:	:	PUNCT
cet-14694	98	6	the	the	DET
cet-14694	98	7	purge	purge	NOUN
cet-14694	98	8	valve	valve	NOUN
cet-14694	98	9	,	,	PUNCT
cet-14694	98	10	acting	act	VERB
cet-14694	98	11	as	as	ADP
cet-14694	98	12	the	the	DET
cet-14694	98	13	primary	primary	ADJ
cet-14694	98	14	control	control	NOUN
cet-14694	98	15	element	element	NOUN
cet-14694	98	16	,	,	PUNCT
cet-14694	98	17	is	be	AUX
cet-14694	98	18	remotely	remotely	ADV
cet-14694	98	19	managed	manage	VERB
cet-14694	98	20	by	by	ADP
cet-14694	98	21	the	the	DET
cet-14694	98	22	control	control	NOUN
cet-14694	98	23	system	system	NOUN
cet-14694	98	24	to	to	PART
cet-14694	98	25	modulate	modulate	VERB
cet-14694	98	26	hydrogen	hydrogen	NOUN
cet-14694	98	27	flow	flow	NOUN
cet-14694	98	28	through	through	ADP
cet-14694	98	29	the	the	DET
cet-14694	98	30	fuel	fuel	NOUN
cet-14694	98	31	cell	cell	NOUN
cet-14694	98	32	stack	stack	NOUN
cet-14694	98	33	,	,	PUNCT
cet-14694	98	34	also	also	ADV
cet-14694	98	35	preventing	prevent	VERB
cet-14694	98	36	outside	outside	ADJ
cet-14694	98	37	air	air	NOUN
cet-14694	98	38	contamination	contamination	NOUN
cet-14694	98	39	during	during	ADP
cet-14694	98	40	system	system	NOUN
cet-14694	98	41	downtime	downtime	NOUN
cet-14694	98	42	.	.	PUNCT
cet-14694	99	1	❖	❖	VERB
cet-14694	99	2	cooling	cool	VERB
cet-14694	99	3	and	and	CCONJ
cet-14694	99	4	exhaust	exhaust	NOUN
cet-14694	99	5	management	management	NOUN
cet-14694	99	6	:	:	PUNCT
cet-14694	99	7	the	the	DET
cet-14694	99	8	incorporation	incorporation	NOUN
cet-14694	99	9	of	of	ADP
cet-14694	99	10	a	a	DET
cet-14694	99	11	cooling	cool	VERB
cet-14694	99	12	fan	fan	NOUN
cet-14694	99	13	and	and	CCONJ
cet-14694	99	14	closed	closed	ADJ
cet-14694	99	15	catch	catch	NOUN
cet-14694	99	16	tank	tank	NOUN
cet-14694	99	17	ensures	ensure	VERB
cet-14694	99	18	effective	effective	ADJ
cet-14694	99	19	temperature	temperature	NOUN
cet-14694	99	20	control	control	NOUN
cet-14694	99	21	and	and	CCONJ
cet-14694	99	22	collection	collection	NOUN
cet-14694	99	23	of	of	ADP
cet-14694	99	24	liquid	liquid	ADJ
cet-14694	99	25	water	water	NOUN
cet-14694	99	26	generated	generate	VERB
cet-14694	99	27	during	during	ADP
cet-14694	99	28	operation	operation	NOUN
cet-14694	99	29	.	.	PUNCT
cet-14694	100	1	❖	❖	AUX
cet-14694	100	2	electrical	electrical	ADJ
cet-14694	100	3	connection	connection	NOUN
cet-14694	100	4	and	and	CCONJ
cet-14694	100	5	control	control	NOUN
cet-14694	100	6	:	:	PUNCT
cet-14694	100	7	components	component	NOUN
cet-14694	100	8	like	like	ADP
cet-14694	100	9	contractor	contractor	NOUN
cet-14694	100	10	,	,	PUNCT
cet-14694	100	11	battery	battery	NOUN
cet-14694	100	12	,	,	PUNCT
cet-14694	100	13	control	control	NOUN
cet-14694	100	14	system	system	NOUN
cet-14694	100	15	,	,	PUNCT
cet-14694	100	16	and	and	CCONJ
cet-14694	100	17	electric	electric	ADJ
cet-14694	100	18	motor	motor	NOUN
cet-14694	100	19	are	be	AUX
cet-14694	100	20	crucial	crucial	ADJ
cet-14694	100	21	for	for	ADP
cet-14694	100	22	the	the	DET
cet-14694	100	23	conversion	conversion	NOUN
cet-14694	100	24	of	of	ADP
cet-14694	100	25	electrical	electrical	ADJ
cet-14694	100	26	power	power	NOUN
cet-14694	100	27	to	to	ADP
cet-14694	100	28	mechanical	mechanical	ADJ
cet-14694	100	29	power	power	NOUN
cet-14694	100	30	and	and	CCONJ
cet-14694	100	31	managing	manage	VERB
cet-14694	100	32	the	the	DET
cet-14694	100	33	entire	entire	ADJ
cet-14694	100	34	electrical	electrical	ADJ
cet-14694	100	35	system	system	NOUN
cet-14694	100	36	of	of	ADP
cet-14694	100	37	the	the	DET
cet-14694	100	38	vehicle	vehicle	NOUN
cet-14694	100	39	.	.	PUNCT
cet-14694	101	1	448	448	NUM
cet-14694	101	2	❖	❖	NUM
cet-14694	101	3	monitoring	monitoring	NOUN
cet-14694	101	4	and	and	CCONJ
cet-14694	101	5	additional	additional	ADJ
cet-14694	101	6	components	component	NOUN
cet-14694	101	7	:	:	PUNCT
cet-14694	101	8	a	a	DET
cet-14694	101	9	monitoring	monitoring	NOUN
cet-14694	101	10	system	system	NOUN
cet-14694	101	11	is	be	AUX
cet-14694	101	12	integrated	integrate	VERB
cet-14694	101	13	for	for	ADP
cet-14694	101	14	real	real	ADJ
cet-14694	101	15	-	-	PUNCT
cet-14694	101	16	time	time	NOUN
cet-14694	101	17	observation	observation	NOUN
cet-14694	101	18	and	and	CCONJ
cet-14694	101	19	emergency	emergency	NOUN
cet-14694	101	20	shutdown	shutdown	NOUN
cet-14694	101	21	,	,	PUNCT
cet-14694	101	22	alongside	alongside	ADP
cet-14694	101	23	other	other	ADJ
cet-14694	101	24	components	component	NOUN
cet-14694	101	25	like	like	ADP
cet-14694	101	26	a	a	DET
cet-14694	101	27	rotameter	rotameter	NOUN
cet-14694	101	28	,	,	PUNCT
cet-14694	101	29	needle	needle	NOUN
cet-14694	101	30	valve	valve	NOUN
cet-14694	101	31	,	,	PUNCT
cet-14694	101	32	and	and	CCONJ
cet-14694	101	33	various	various	ADJ
cet-14694	101	34	connections	connection	NOUN
cet-14694	101	35	ensuring	ensure	VERB
cet-14694	101	36	precise	precise	ADJ
cet-14694	101	37	gas	gas	NOUN
cet-14694	101	38	flow	flow	NOUN
cet-14694	101	39	control	control	NOUN
cet-14694	101	40	and	and	CCONJ
cet-14694	101	41	compatibility	compatibility	NOUN
cet-14694	101	42	with	with	ADP
cet-14694	101	43	the	the	DET
cet-14694	101	44	fuel	fuel	NOUN
cet-14694	101	45	cell	cell	NOUN
cet-14694	101	46	supply	supply	NOUN
cet-14694	101	47	line	line	NOUN
cet-14694	101	48	.	.	PUNCT
cet-14694	102	1	figure	figure	NOUN
cet-14694	102	2	3	3	NUM
cet-14694	102	3	–	–	PUNCT
cet-14694	102	4	integrated	integrate	VERB
cet-14694	102	5	hybrid	hybrid	ADJ
cet-14694	102	6	powertrain	powertrain	NOUN
cet-14694	102	7	scheme	scheme	NOUN
cet-14694	102	8	.	.	PUNCT
cet-14694	103	1	5	5	X
cet-14694	103	2	.	.	X
cet-14694	103	3	valves	valve	NOUN
cet-14694	103	4	and	and	CCONJ
cet-14694	103	5	hose	hose	PROPN
cet-14694	103	6	end	end	NOUN
cet-14694	103	7	connections	connection	NOUN
cet-14694	103	8	the	the	DET
cet-14694	103	9	choice	choice	NOUN
cet-14694	103	10	of	of	ADP
cet-14694	103	11	high	high	ADJ
cet-14694	103	12	-	-	PUNCT
cet-14694	103	13	performance	performance	NOUN
cet-14694	103	14	valves	valve	NOUN
cet-14694	103	15	is	be	AUX
cet-14694	103	16	cardinal	cardinal	ADJ
cet-14694	103	17	for	for	ADP
cet-14694	103	18	regulating	regulate	VERB
cet-14694	103	19	hydrogen	hydrogen	NOUN
cet-14694	103	20	flow	flow	NOUN
cet-14694	103	21	,	,	PUNCT
cet-14694	103	22	with	with	ADP
cet-14694	103	23	a	a	DET
cet-14694	103	24	focus	focus	NOUN
cet-14694	103	25	on	on	ADP
cet-14694	103	26	meeting	meet	VERB
cet-14694	103	27	pressure	pressure	NOUN
cet-14694	103	28	,	,	PUNCT
cet-14694	103	29	safety	safety	NOUN
cet-14694	103	30	,	,	PUNCT
cet-14694	103	31	and	and	CCONJ
cet-14694	103	32	maintenance	maintenance	NOUN
cet-14694	103	33	demands	demand	NOUN
cet-14694	103	34	,	,	PUNCT
cet-14694	103	35	alongside	alongside	ADP
cet-14694	103	36	withstanding	withstand	VERB
cet-14694	103	37	stress	stress	NOUN
cet-14694	103	38	and	and	CCONJ
cet-14694	103	39	vibration	vibration	NOUN
cet-14694	103	40	.	.	PUNCT
cet-14694	104	1	four	four	NUM
cet-14694	104	2	primary	primary	ADJ
cet-14694	104	3	types	type	NOUN
cet-14694	104	4	of	of	ADP
cet-14694	104	5	valves	valve	NOUN
cet-14694	104	6	—	—	PUNCT
cet-14694	104	7	ball	ball	NOUN
cet-14694	104	8	valves	valve	NOUN
cet-14694	104	9	,	,	PUNCT
cet-14694	104	10	needle	needle	NOUN
cet-14694	104	11	valves	valve	NOUN
cet-14694	104	12	,	,	PUNCT
cet-14694	104	13	pressure	pressure	NOUN
cet-14694	104	14	regulators	regulator	NOUN
cet-14694	104	15	,	,	PUNCT
cet-14694	104	16	and	and	CCONJ
cet-14694	104	17	pressure	pressure	NOUN
cet-14694	104	18	relief	relief	NOUN
cet-14694	104	19	valves	valve	NOUN
cet-14694	104	20	—	—	PUNCT
cet-14694	104	21	are	be	AUX
cet-14694	104	22	discussed	discuss	VERB
cet-14694	104	23	,	,	PUNCT
cet-14694	104	24	each	each	PRON
cet-14694	104	25	with	with	ADP
cet-14694	104	26	its	its	PRON
cet-14694	104	27	unique	unique	ADJ
cet-14694	104	28	advantages	advantage	NOUN
cet-14694	104	29	and	and	CCONJ
cet-14694	104	30	considerations	consideration	NOUN
cet-14694	104	31	in	in	ADP
cet-14694	104	32	hydrogen	hydrogen	NOUN
cet-14694	104	33	applications	application	NOUN
cet-14694	104	34	.	.	PUNCT
cet-14694	105	1	manufacturer	manufacturer	NOUN
cet-14694	105	2	’s	’s	PART
cet-14694	105	3	websites	website	NOUN
cet-14694	105	4	provides	provide	VERB
cet-14694	105	5	insights	insight	NOUN
cet-14694	105	6	into	into	ADP
cet-14694	105	7	the	the	DET
cet-14694	105	8	specifications	specification	NOUN
cet-14694	105	9	and	and	CCONJ
cet-14694	105	10	functionalities	functionality	NOUN
cet-14694	105	11	of	of	ADP
cet-14694	105	12	these	these	DET
cet-14694	105	13	valves	valve	NOUN
cet-14694	105	14	.	.	PUNCT
cet-14694	106	1	moreover	moreover	ADV
cet-14694	106	2	,	,	PUNCT
cet-14694	106	3	the	the	DET
cet-14694	106	4	selection	selection	NOUN
cet-14694	106	5	of	of	ADP
cet-14694	106	6	hose	hose	NOUN
cet-14694	106	7	end	end	NOUN
cet-14694	106	8	connections	connection	NOUN
cet-14694	106	9	and	and	CCONJ
cet-14694	106	10	tubing	tubing	NOUN
cet-14694	106	11	fittings	fitting	NOUN
cet-14694	106	12	,	,	PUNCT
cet-14694	106	13	as	as	SCONJ
cet-14694	106	14	discussed	discuss	VERB
cet-14694	106	15	in	in	ADP
cet-14694	106	16	the	the	DET
cet-14694	106	17	provided	provide	VERB
cet-14694	106	18	link	link	NOUN
cet-14694	106	19	,	,	PUNCT
cet-14694	106	20	is	be	AUX
cet-14694	106	21	crucial	crucial	ADJ
cet-14694	106	22	and	and	CCONJ
cet-14694	106	23	depends	depend	VERB
cet-14694	106	24	on	on	ADP
cet-14694	106	25	several	several	ADJ
cet-14694	106	26	factors	factor	NOUN
cet-14694	106	27	including	include	VERB
cet-14694	106	28	ease	ease	NOUN
cet-14694	106	29	of	of	ADP
cet-14694	106	30	installation	installation	NOUN
cet-14694	106	31	,	,	PUNCT
cet-14694	106	32	inventory	inventory	NOUN
cet-14694	106	33	simplification	simplification	NOUN
cet-14694	106	34	,	,	PUNCT
cet-14694	106	35	and	and	CCONJ
cet-14694	106	36	cost	cost	NOUN
cet-14694	106	37	.	.	PUNCT
cet-14694	107	1	the	the	DET
cet-14694	107	2	lifetime	lifetime	NOUN
cet-14694	107	3	cost	cost	NOUN
cet-14694	107	4	consideration	consideration	NOUN
cet-14694	107	5	is	be	AUX
cet-14694	107	6	emphasized	emphasize	VERB
cet-14694	107	7	,	,	PUNCT
cet-14694	107	8	hinting	hint	VERB
cet-14694	107	9	at	at	ADP
cet-14694	107	10	the	the	DET
cet-14694	107	11	importance	importance	NOUN
cet-14694	107	12	of	of	ADP
cet-14694	107	13	quality	quality	NOUN
cet-14694	107	14	over	over	ADP
cet-14694	107	15	upfront	upfront	ADJ
cet-14694	107	16	savings.the	savings.the	DET
cet-14694	107	17	highlighted	highlight	VERB
cet-14694	107	18	design	design	NOUN
cet-14694	107	19	considerations	consideration	NOUN
cet-14694	107	20	serve	serve	VERB
cet-14694	107	21	as	as	ADP
cet-14694	107	22	a	a	DET
cet-14694	107	23	guideline	guideline	NOUN
cet-14694	107	24	for	for	SCONJ
cet-14694	107	25	engineers	engineer	NOUN
cet-14694	107	26	to	to	PART
cet-14694	107	27	evaluate	evaluate	VERB
cet-14694	107	28	and	and	CCONJ
cet-14694	107	29	construct	construct	VERB
cet-14694	107	30	a	a	DET
cet-14694	107	31	fluid	fluid	ADJ
cet-14694	107	32	system	system	NOUN
cet-14694	107	33	that	that	PRON
cet-14694	107	34	not	not	PART
cet-14694	107	35	only	only	ADV
cet-14694	107	36	meets	meet	VERB
cet-14694	107	37	the	the	DET
cet-14694	107	38	operational	operational	ADJ
cet-14694	107	39	requirements	requirement	NOUN
cet-14694	107	40	but	but	CCONJ
cet-14694	107	41	also	also	ADV
cet-14694	107	42	adheres	adhere	VERB
cet-14694	107	43	to	to	ADP
cet-14694	107	44	safety	safety	NOUN
cet-14694	107	45	standards	standard	NOUN
cet-14694	107	46	,	,	PUNCT
cet-14694	107	47	ensuring	ensure	VERB
cet-14694	107	48	reliable	reliable	ADJ
cet-14694	107	49	and	and	CCONJ
cet-14694	107	50	efficient	efficient	ADJ
cet-14694	107	51	performance	performance	NOUN
cet-14694	107	52	of	of	ADP
cet-14694	107	53	the	the	DET
cet-14694	107	54	self	self	NOUN
cet-14694	107	55	-	-	PUNCT
cet-14694	107	56	humidifying	humidify	VERB
cet-14694	107	57	pemfc	pemfc	NOUN
cet-14694	107	58	.	.	PUNCT
cet-14694	108	1	a	a	DET
cet-14694	108	2	designer	designer	NOUN
cet-14694	108	3	should	should	AUX
cet-14694	108	4	holistically	holistically	ADV
cet-14694	108	5	assess	assess	VERB
cet-14694	108	6	fluid	fluid	NOUN
cet-14694	108	7	systems	system	NOUN
cet-14694	108	8	when	when	SCONJ
cet-14694	108	9	picking	pick	VERB
cet-14694	108	10	end	end	NOUN
cet-14694	108	11	connections	connection	NOUN
cet-14694	108	12	and	and	CCONJ
cet-14694	108	13	components	component	NOUN
cet-14694	108	14	.	.	PUNCT
cet-14694	109	1	hose	hose	PROPN
cet-14694	109	2	end	end	NOUN
cet-14694	109	3	connections	connection	NOUN
cet-14694	109	4	and	and	CCONJ
cet-14694	109	5	tubing	tubing	NOUN
cet-14694	109	6	fittings	fitting	NOUN
cet-14694	109	7	'	'	PART
cet-14694	109	8	design	design	NOUN
cet-14694	109	9	should	should	AUX
cet-14694	109	10	consider	consider	VERB
cet-14694	109	11	installation	installation	NOUN
cet-14694	109	12	ease	ease	NOUN
cet-14694	109	13	,	,	PUNCT
cet-14694	109	14	inventory	inventory	NOUN
cet-14694	109	15	streamlining	streamlining	NOUN
cet-14694	109	16	,	,	PUNCT
cet-14694	109	17	and	and	CCONJ
cet-14694	109	18	costeffectiveness	costeffectiveness	NOUN
cet-14694	109	19	,	,	PUNCT
cet-14694	109	20	balancing	balance	VERB
cet-14694	109	21	initial	initial	ADJ
cet-14694	109	22	savings	saving	NOUN
cet-14694	109	23	with	with	ADP
cet-14694	109	24	potential	potential	ADJ
cet-14694	109	25	long	long	ADJ
cet-14694	109	26	-	-	PUNCT
cet-14694	109	27	term	term	NOUN
cet-14694	109	28	maintenance	maintenance	NOUN
cet-14694	109	29	expenses	expense	NOUN
cet-14694	109	30	.	.	PUNCT
cet-14694	110	1	figure	figure	NOUN
cet-14694	110	2	4	4	NUM
cet-14694	110	3	shows	show	VERB
cet-14694	110	4	the	the	DET
cet-14694	110	5	piping	piping	NOUN
cet-14694	110	6	and	and	CCONJ
cet-14694	110	7	instrumentation	instrumentation	NOUN
cet-14694	110	8	diagram	diagram	NOUN
cet-14694	110	9	proposed	propose	VERB
cet-14694	110	10	for	for	ADP
cet-14694	110	11	the	the	DET
cet-14694	110	12	pemfc	pemfc	ADJ
cet-14694	110	13	system	system	NOUN
cet-14694	110	14	.	.	PUNCT
cet-14694	111	1	449	449	NUM
cet-14694	111	2	figure	figure	NOUN
cet-14694	111	3	4	4	NUM
cet-14694	111	4	:	:	PUNCT
cet-14694	111	5	piping	piping	NOUN
cet-14694	111	6	and	and	CCONJ
cet-14694	111	7	instrumentation	instrumentation	NOUN
cet-14694	111	8	diagram	diagram	NOUN
cet-14694	111	9	of	of	ADP
cet-14694	111	10	the	the	DET
cet-14694	111	11	pemfc	pemfc	ADJ
cet-14694	111	12	system	system	NOUN
cet-14694	111	13	.	.	PUNCT
cet-14694	112	1	6	6	X
cet-14694	112	2	.	.	X
cet-14694	112	3	conclusions	conclusion	NOUN
cet-14694	112	4	this	this	DET
cet-14694	112	5	study	study	NOUN
cet-14694	112	6	underscores	underscore	VERB
cet-14694	112	7	the	the	DET
cet-14694	112	8	practical	practical	ADJ
cet-14694	112	9	importance	importance	NOUN
cet-14694	112	10	of	of	ADP
cet-14694	112	11	designing	design	VERB
cet-14694	112	12	robust	robust	ADJ
cet-14694	112	13	fuel	fuel	NOUN
cet-14694	112	14	systems	system	NOUN
cet-14694	112	15	and	and	CCONJ
cet-14694	112	16	conducting	conduct	VERB
cet-14694	112	17	comprehensive	comprehensive	ADJ
cet-14694	112	18	research	research	NOUN
cet-14694	112	19	on	on	ADP
cet-14694	112	20	hydrogen	hydrogen	NOUN
cet-14694	112	21	-	-	PUNCT
cet-14694	112	22	compatible	compatible	ADJ
cet-14694	112	23	materials	material	NOUN
cet-14694	112	24	,	,	PUNCT
cet-14694	112	25	which	which	PRON
cet-14694	112	26	are	be	AUX
cet-14694	112	27	crucial	crucial	ADJ
cet-14694	112	28	for	for	ADP
cet-14694	112	29	developing	develop	VERB
cet-14694	112	30	a	a	DET
cet-14694	112	31	cost	cost	NOUN
cet-14694	112	32	-	-	PUNCT
cet-14694	112	33	effective	effective	ADJ
cet-14694	112	34	and	and	CCONJ
cet-14694	112	35	safe	safe	ADJ
cet-14694	112	36	hydrogen	hydrogen	NOUN
cet-14694	112	37	-	-	PUNCT
cet-14694	112	38	based	base	VERB
cet-14694	112	39	future	future	NOUN
cet-14694	112	40	.	.	PUNCT
cet-14694	113	1	ensuring	ensure	VERB
cet-14694	113	2	safety	safety	NOUN
cet-14694	113	3	requires	require	VERB
cet-14694	113	4	a	a	DET
cet-14694	113	5	deep	deep	ADJ
cet-14694	113	6	understanding	understanding	NOUN
cet-14694	113	7	of	of	ADP
cet-14694	113	8	the	the	DET
cet-14694	113	9	properties	property	NOUN
cet-14694	113	10	of	of	ADP
cet-14694	113	11	both	both	CCONJ
cet-14694	113	12	the	the	DET
cet-14694	113	13	hydrogen	hydrogen	NOUN
cet-14694	113	14	fuel	fuel	NOUN
cet-14694	113	15	and	and	CCONJ
cet-14694	113	16	the	the	DET
cet-14694	113	17	materials	material	NOUN
cet-14694	113	18	used	use	VERB
cet-14694	113	19	in	in	ADP
cet-14694	113	20	the	the	DET
cet-14694	113	21	system	system	NOUN
cet-14694	113	22	's	's	PART
cet-14694	113	23	construction	construction	NOUN
cet-14694	113	24	.	.	PUNCT
cet-14694	114	1	additionally	additionally	ADV
cet-14694	114	2	,	,	PUNCT
cet-14694	114	3	the	the	DET
cet-14694	114	4	operational	operational	ADJ
cet-14694	114	5	requirements	requirement	NOUN
cet-14694	114	6	of	of	ADP
cet-14694	114	7	fuel	fuel	NOUN
cet-14694	114	8	cell	cell	NOUN
cet-14694	114	9	stacks	stack	NOUN
cet-14694	114	10	must	must	AUX
cet-14694	114	11	be	be	AUX
cet-14694	114	12	carefully	carefully	ADV
cet-14694	114	13	considered	consider	VERB
cet-14694	114	14	to	to	PART
cet-14694	114	15	ensure	ensure	VERB
cet-14694	114	16	system	system	NOUN
cet-14694	114	17	efficiency	efficiency	NOUN
cet-14694	114	18	.	.	PUNCT
cet-14694	115	1	it	it	PRON
cet-14694	115	2	is	be	AUX
cet-14694	115	3	important	important	ADJ
cet-14694	115	4	to	to	PART
cet-14694	115	5	note	note	VERB
cet-14694	115	6	that	that	SCONJ
cet-14694	115	7	this	this	DET
cet-14694	115	8	study	study	NOUN
cet-14694	115	9	primarily	primarily	ADV
cet-14694	115	10	relied	rely	VERB
cet-14694	115	11	on	on	ADP
cet-14694	115	12	a	a	DET
cet-14694	115	13	literature	literature	NOUN
cet-14694	115	14	review	review	NOUN
cet-14694	115	15	approach	approach	NOUN
cet-14694	115	16	and	and	CCONJ
cet-14694	115	17	did	do	AUX
cet-14694	115	18	not	not	PART
cet-14694	115	19	conduct	conduct	VERB
cet-14694	115	20	empirical	empirical	ADJ
cet-14694	115	21	experiments	experiment	NOUN
cet-14694	115	22	.	.	PUNCT
cet-14694	116	1	future	future	ADJ
cet-14694	116	2	research	research	NOUN
cet-14694	116	3	should	should	AUX
cet-14694	116	4	focus	focus	VERB
cet-14694	116	5	on	on	ADP
cet-14694	116	6	optimizing	optimize	VERB
cet-14694	116	7	the	the	DET
cet-14694	116	8	supply	supply	NOUN
cet-14694	116	9	stream	stream	NOUN
cet-14694	116	10	,	,	PUNCT
cet-14694	116	11	including	include	VERB
cet-14694	116	12	the	the	DET
cet-14694	116	13	correct	correct	ADJ
cet-14694	116	14	specification	specification	NOUN
cet-14694	116	15	of	of	ADP
cet-14694	116	16	valves	valve	NOUN
cet-14694	116	17	,	,	PUNCT
cet-14694	116	18	connections	connection	NOUN
cet-14694	116	19	,	,	PUNCT
cet-14694	116	20	and	and	CCONJ
cet-14694	116	21	instruments	instrument	NOUN
cet-14694	116	22	,	,	PUNCT
cet-14694	116	23	to	to	PART
cet-14694	116	24	achieve	achieve	VERB
cet-14694	116	25	a	a	DET
cet-14694	116	26	well	well	ADV
cet-14694	116	27	-	-	PUNCT
cet-14694	116	28	integrated	integrate	VERB
cet-14694	116	29	and	and	CCONJ
cet-14694	116	30	reliable	reliable	ADJ
cet-14694	116	31	hydrogen	hydrogen	NOUN
cet-14694	116	32	infrastructure	infrastructure	NOUN
cet-14694	116	33	.	.	PUNCT
cet-14694	117	1	references	reference	NOUN
cet-14694	117	2	albarbar	albarbar	PROPN
cet-14694	117	3	,	,	PUNCT
cet-14694	117	4	a.	a.	PROPN
cet-14694	117	5	,	,	PUNCT
cet-14694	117	6	alrweq	alrweq	NOUN
cet-14694	117	7	,	,	PUNCT
cet-14694	117	8	m.	m.	NOUN
cet-14694	117	9	,	,	PUNCT
cet-14694	117	10	2018	2018	NUM
cet-14694	117	11	,	,	PUNCT
cet-14694	117	12	proton	proton	NOUN
cet-14694	117	13	exchange	exchange	NOUN
cet-14694	117	14	membrane	membrane	NOUN
cet-14694	117	15	fuel	fuel	NOUN
cet-14694	117	16	cells	cell	NOUN
cet-14694	117	17	:	:	PUNCT
cet-14694	117	18	design	design	NOUN
cet-14694	117	19	,	,	PUNCT
cet-14694	117	20	modelling	modelling	NOUN
cet-14694	117	21	and	and	CCONJ
cet-14694	117	22	performance	performance	NOUN
cet-14694	117	23	assessment	assessment	NOUN
cet-14694	117	24	techniques	technique	NOUN
cet-14694	117	25	,	,	PUNCT
cet-14694	117	26	springer	springer	NOUN
cet-14694	117	27	international	international	ADJ
cet-14694	117	28	publishing	publishing	NOUN
cet-14694	117	29	,	,	PUNCT
cet-14694	117	30	cham	cham	PROPN
cet-14694	117	31	,	,	PUNCT
cet-14694	117	32	switzerland	switzerland	PROPN
cet-14694	117	33	.	.	PUNCT
cet-14694	118	1	ballard	ballard	PROPN
cet-14694	118	2	,	,	PUNCT
cet-14694	118	3	ballard	ballard	PROPN
cet-14694	118	4	product	product	NOUN
cet-14694	118	5	specification	specification	NOUN
cet-14694	118	6	.	.	PUNCT
cet-14694	119	1	<	<	X
cet-14694	119	2	https://www.ballard.com/about-ballard/publication_library/productspecification-sheets/fcgen1020-spec-sheet	https://www.ballard.com/about-ballard/publication_library/productspecification-sheets/fcgen1020-spec-sheet	X
cet-14694	119	3	>	>	X
cet-14694	119	4	accessed	access	VERB
cet-14694	119	5	30.06.2024	30.06.2024	PROPN
cet-14694	120	1	.	.	PUNCT
cet-14694	120	2	chang	chang	PROPN
cet-14694	120	3	,	,	PUNCT
cet-14694	120	4	y.	y.	PROPN
cet-14694	120	5	,	,	PUNCT
cet-14694	120	6	qin	qin	PROPN
cet-14694	120	7	,	,	PUNCT
cet-14694	120	8	y.	y.	PROPN
cet-14694	120	9	,	,	PUNCT
cet-14694	120	10	yin	yin	PROPN
cet-14694	120	11	,	,	PUNCT
cet-14694	120	12	y.	y.	PROPN
cet-14694	120	13	,	,	PUNCT
cet-14694	120	14	zhang	zhang	PROPN
cet-14694	120	15	,	,	PUNCT
cet-14694	120	16	j.	j.	PROPN
cet-14694	120	17	,	,	PUNCT
cet-14694	120	18	li	li	PROPN
cet-14694	120	19	,	,	PUNCT
cet-14694	120	20	x.	x.	NOUN
cet-14694	120	21	,	,	PUNCT
cet-14694	120	22	2018	2018	NUM
cet-14694	120	23	,	,	PUNCT
cet-14694	120	24	humidification	humidification	NOUN
cet-14694	120	25	strategy	strategy	NOUN
cet-14694	120	26	for	for	ADP
cet-14694	120	27	polymer	polymer	NOUN
cet-14694	120	28	electrolyte	electrolyte	ADJ
cet-14694	120	29	membrane	membrane	NOUN
cet-14694	120	30	fuel	fuel	NOUN
cet-14694	120	31	cells	cell	NOUN
cet-14694	120	32	–	–	PUNCT
cet-14694	120	33	a	a	DET
cet-14694	120	34	review	review	NOUN
cet-14694	120	35	,	,	PUNCT
cet-14694	120	36	applied	apply	VERB
cet-14694	120	37	energy	energy	NOUN
cet-14694	120	38	,	,	PUNCT
cet-14694	120	39	volume	volume	NOUN
cet-14694	120	40	230	230	NUM
cet-14694	120	41	,	,	PUNCT
cet-14694	120	42	pages	page	NOUN
cet-14694	120	43	643	643	NUM
cet-14694	120	44	-	-	SYM
cet-14694	120	45	662	662	NUM
cet-14694	120	46	.	.	PUNCT
cet-14694	121	1	devanathan	devanathan	PROPN
cet-14694	121	2	,	,	PUNCT
cet-14694	121	3	r.	r.	PROPN
cet-14694	121	4	,	,	PUNCT
cet-14694	121	5	2008	2008	NUM
cet-14694	121	6	.	.	PUNCT
cet-14694	122	1	recent	recent	ADJ
cet-14694	122	2	developments	development	NOUN
cet-14694	122	3	in	in	ADP
cet-14694	122	4	proton	proton	NOUN
cet-14694	122	5	exchange	exchange	NOUN
cet-14694	122	6	membranes	membrane	NOUN
cet-14694	122	7	for	for	ADP
cet-14694	122	8	fuel	fuel	NOUN
cet-14694	122	9	cells	cell	NOUN
cet-14694	122	10	.	.	PUNCT
cet-14694	123	1	energy	energy	NOUN
cet-14694	123	2	&	&	CCONJ
cet-14694	123	3	environmental	environmental	ADJ
cet-14694	123	4	science	science	NOUN
cet-14694	123	5	,	,	PUNCT
cet-14694	123	6	1(1	1(1	NUM
cet-14694	123	7	)	)	PUNCT
cet-14694	123	8	,	,	PUNCT
cet-14694	123	9	101	101	NUM
cet-14694	123	10	-	-	SYM
cet-14694	123	11	119	119	NUM
cet-14694	123	12	.	.	PUNCT
cet-14694	124	1	dwivedi	dwivedi	PROPN
cet-14694	124	2	,	,	PUNCT
cet-14694	124	3	s.	s.	PROPN
cet-14694	124	4	k.	k.	PROPN
cet-14694	124	5	,	,	PUNCT
cet-14694	124	6	&	&	CCONJ
cet-14694	124	7	vishwakarma	vishwakarma	PROPN
cet-14694	124	8	,	,	PUNCT
cet-14694	124	9	m.	m.	NOUN
cet-14694	124	10	,	,	PUNCT
cet-14694	124	11	2018	2018	NUM
cet-14694	124	12	.	.	PUNCT
cet-14694	125	1	hydrogen	hydrogen	NOUN
cet-14694	125	2	embrittlement	embrittlement	NOUN
cet-14694	125	3	in	in	ADP
cet-14694	125	4	different	different	ADJ
cet-14694	125	5	materials	material	NOUN
cet-14694	125	6	:	:	PUNCT
cet-14694	125	7	a	a	DET
cet-14694	125	8	review	review	NOUN
cet-14694	125	9	.	.	PUNCT
cet-14694	126	1	international	international	ADJ
cet-14694	126	2	journal	journal	PROPN
cet-14694	126	3	of	of	ADP
cet-14694	126	4	hydrogen	hydrogen	NOUN
cet-14694	126	5	energy	energy	NOUN
cet-14694	126	6	,	,	PUNCT
cet-14694	126	7	43(46	43(46	NOUN
cet-14694	126	8	)	)	PUNCT
cet-14694	126	9	,	,	PUNCT
cet-14694	126	10	21603	21603	NUM
cet-14694	126	11	-	-	SYM
cet-14694	126	12	21616	21616	NUM
cet-14694	126	13	.	.	PUNCT
cet-14694	127	1	frost	frost	NOUN
cet-14694	127	2	,	,	PUNCT
cet-14694	127	3	m.	m.	NOUN
cet-14694	127	4	,	,	PUNCT
cet-14694	127	5	2022	2022	NUM
cet-14694	127	6	,	,	PUNCT
cet-14694	127	7	your	your	PRON
cet-14694	127	8	industrial	industrial	ADJ
cet-14694	127	9	fluid	fluid	NOUN
cet-14694	127	10	system	system	NOUN
cet-14694	127	11	safety	safety	NOUN
cet-14694	127	12	checklist	checklist	NOUN
cet-14694	127	13	.	.	PUNCT
cet-14694	128	1	<	<	X
cet-14694	128	2	https://www.swagelok.com/en/blog/industrialfluid-system-safety-checklist	https://www.swagelok.com/en/blog/industrialfluid-system-safety-checklist	X
cet-14694	128	3	>	>	X
cet-14694	128	4	accessed	access	VERB
cet-14694	128	5	20.12.2023	20.12.2023	NUM
cet-14694	128	6	gangloff	gangloff	NOUN
cet-14694	128	7	,	,	PUNCT
cet-14694	128	8	r.	r.	PROPN
cet-14694	128	9	p.	p.	PROPN
cet-14694	128	10	,	,	PUNCT
cet-14694	128	11	&	&	CCONJ
cet-14694	128	12	somerday	somerday	PROPN
cet-14694	128	13	,	,	PUNCT
cet-14694	128	14	b.	b.	PROPN
cet-14694	128	15	p.	p.	PROPN
cet-14694	128	16	,	,	PUNCT
cet-14694	128	17	2012	2012	NUM
cet-14694	128	18	.	.	PUNCT
cet-14694	129	1	gaseous	gaseous	ADJ
cet-14694	129	2	hydrogen	hydrogen	NOUN
cet-14694	129	3	embrittlement	embrittlement	NOUN
cet-14694	129	4	of	of	ADP
cet-14694	129	5	materials	material	NOUN
cet-14694	129	6	in	in	ADP
cet-14694	129	7	energy	energy	NOUN
cet-14694	129	8	technologies	technology	NOUN
cet-14694	129	9	:	:	PUNCT
cet-14694	129	10	the	the	DET
cet-14694	129	11	problem	problem	NOUN
cet-14694	129	12	,	,	PUNCT
cet-14694	129	13	its	its	PRON
cet-14694	129	14	characterisation	characterisation	NOUN
cet-14694	129	15	and	and	CCONJ
cet-14694	129	16	effects	effect	NOUN
cet-14694	129	17	on	on	ADP
cet-14694	129	18	particular	particular	ADJ
cet-14694	129	19	alloy	alloy	NOUN
cet-14694	129	20	classes	class	NOUN
cet-14694	129	21	.	.	PUNCT
cet-14694	130	1	elsevier	elsevier	NOUN
cet-14694	130	2	.	.	PUNCT
cet-14694	131	1	hayes	hayes	PROPN
cet-14694	131	2	,	,	PUNCT
cet-14694	131	3	c.	c.	PROPN
cet-14694	131	4	,	,	PUNCT
cet-14694	131	5	2021	2021	NUM
cet-14694	131	6	,	,	PUNCT
cet-14694	131	7	the	the	DET
cet-14694	131	8	anatomy	anatomy	NOUN
cet-14694	131	9	of	of	ADP
cet-14694	131	10	a	a	DET
cet-14694	131	11	hydrogen	hydrogen	NOUN
cet-14694	131	12	fitting	fitting	NOUN
cet-14694	131	13	.	.	PUNCT
cet-14694	132	1	white	white	PROPN
cet-14694	132	2	paper	paper	PROPN
cet-14694	132	3	swagelok	swagelok	NOUN
cet-14694	132	4	.	.	PUNCT
cet-14694	133	1	janssen	janssen	PROPN
cet-14694	133	2	,	,	PUNCT
cet-14694	133	3	g.	g.	PROPN
cet-14694	133	4	j.	j.	PROPN
cet-14694	133	5	m.	m.	PROPN
cet-14694	133	6	,	,	PUNCT
cet-14694	133	7	&	&	CCONJ
cet-14694	133	8	overvelde	overvelde	PROPN
cet-14694	133	9	,	,	PUNCT
cet-14694	133	10	m.	m.	PROPN
cet-14694	133	11	l.	l.	PROPN
cet-14694	133	12	j.	j.	PROPN
cet-14694	133	13	,	,	PUNCT
cet-14694	133	14	2001	2001	NUM
cet-14694	133	15	.	.	PUNCT
cet-14694	134	1	water	water	NOUN
cet-14694	134	2	transport	transport	NOUN
cet-14694	134	3	in	in	ADP
cet-14694	134	4	the	the	DET
cet-14694	134	5	proton	proton	NOUN
cet-14694	134	6	-	-	PUNCT
cet-14694	134	7	exchange	exchange	NOUN
cet-14694	134	8	-	-	PUNCT
cet-14694	134	9	membrane	membrane	NOUN
cet-14694	134	10	fuel	fuel	NOUN
cet-14694	134	11	cell	cell	NOUN
cet-14694	134	12	:	:	PUNCT
cet-14694	134	13	measurements	measurement	NOUN
cet-14694	134	14	of	of	ADP
cet-14694	134	15	the	the	DET
cet-14694	134	16	effective	effective	ADJ
cet-14694	134	17	drag	drag	NOUN
cet-14694	134	18	coefficient	coefficient	NOUN
cet-14694	134	19	.	.	PUNCT
cet-14694	135	1	journal	journal	PROPN
cet-14694	135	2	of	of	ADP
cet-14694	135	3	power	power	NOUN
cet-14694	135	4	sources	source	NOUN
cet-14694	135	5	,	,	PUNCT
cet-14694	135	6	101(1	101(1	NUM
cet-14694	135	7	)	)	PUNCT
cet-14694	135	8	,	,	PUNCT
cet-14694	135	9	117	117	NUM
cet-14694	135	10	-	-	SYM
cet-14694	135	11	125	125	NUM
cet-14694	135	12	.	.	PUNCT
cet-14694	136	1	liang	liang	PROPN
cet-14694	136	2	,	,	PUNCT
cet-14694	136	3	h.	h.	PROPN
cet-14694	136	4	,	,	PUNCT
cet-14694	136	5	xu	xu	PROPN
cet-14694	136	6	,	,	PUNCT
cet-14694	136	7	r.	r.	PROPN
cet-14694	136	8	,	,	PUNCT
cet-14694	136	9	chen	chen	PROPN
cet-14694	136	10	,	,	PUNCT
cet-14694	136	11	k.	k.	PROPN
cet-14694	136	12	,	,	PUNCT
cet-14694	136	13	shen	shen	PROPN
cet-14694	136	14	,	,	PUNCT
cet-14694	136	15	c.	c.	PROPN
cet-14694	136	16	,	,	PUNCT
cet-14694	136	17	yin	yin	PROPN
cet-14694	136	18	,	,	PUNCT
cet-14694	136	19	s.	s.	PROPN
cet-14694	136	20	,	,	PUNCT
cet-14694	136	21	2016	2016	NUM
cet-14694	136	22	,	,	PUNCT
cet-14694	136	23	self	self	NOUN
cet-14694	136	24	-	-	PUNCT
cet-14694	136	25	humidifying	humidify	VERB
cet-14694	136	26	membrane	membrane	NOUN
cet-14694	136	27	electrode	electrode	NOUN
cet-14694	136	28	assembly	assembly	NOUN
cet-14694	136	29	with	with	ADP
cet-14694	136	30	dual	dual	ADJ
cet-14694	136	31	cathode	cathode	NOUN
cet-14694	136	32	catalyst	catalyst	NOUN
cet-14694	136	33	layer	layer	NOUN
cet-14694	136	34	structure	structure	NOUN
cet-14694	136	35	prepared	prepare	VERB
cet-14694	136	36	by	by	ADP
cet-14694	136	37	introducing	introduce	VERB
cet-14694	136	38	polyvinyl	polyvinyl	NOUN
cet-14694	136	39	alcohol	alcohol	NOUN
cet-14694	136	40	into	into	ADP
cet-14694	136	41	the	the	DET
cet-14694	136	42	inner	inner	ADJ
cet-14694	136	43	layer	layer	NOUN
cet-14694	136	44	.	.	PUNCT
cet-14694	137	1	rsc	rsc	PROPN
cet-14694	137	2	advances	advance	NOUN
cet-14694	137	3	,	,	PUNCT
cet-14694	137	4	volume	volume	NOUN
cet-14694	137	5	6	6	NUM
cet-14694	137	6	,	,	PUNCT
cet-14694	137	7	pages	page	NOUN
cet-14694	137	8	1333	1333	NUM
cet-14694	137	9	-	-	SYM
cet-14694	137	10	1338	1338	NUM
cet-14694	137	11	.	.	PUNCT
cet-14694	138	1	liang	liang	PROPN
cet-14694	138	2	,	,	PUNCT
cet-14694	138	3	h.	h.	PROPN
cet-14694	138	4	,	,	PUNCT
cet-14694	138	5	zheng	zheng	PROPN
cet-14694	138	6	,	,	PUNCT
cet-14694	138	7	l.	l.	PROPN
cet-14694	138	8	,	,	PUNCT
cet-14694	138	9	shijun	shijun	PROPN
cet-14694	138	10	liao	liao	PROPN
cet-14694	138	11	,	,	PUNCT
cet-14694	138	12	s.	s.	PROPN
cet-14694	138	13	,	,	PUNCT
cet-14694	138	14	2012	2012	NUM
cet-14694	138	15	,	,	PUNCT
cet-14694	138	16	self	self	NOUN
cet-14694	138	17	-	-	PUNCT
cet-14694	138	18	humidifying	humidify	VERB
cet-14694	138	19	membrane	membrane	NOUN
cet-14694	138	20	electrode	electrode	NOUN
cet-14694	138	21	assembly	assembly	NOUN
cet-14694	138	22	prepared	prepare	VERB
cet-14694	138	23	by	by	ADP
cet-14694	138	24	adding	add	VERB
cet-14694	138	25	pva	pva	NOUN
cet-14694	138	26	as	as	ADP
cet-14694	138	27	hygroscopic	hygroscopic	NOUN
cet-14694	138	28	agent	agent	NOUN
cet-14694	138	29	in	in	ADP
cet-14694	138	30	anode	anode	NOUN
cet-14694	138	31	catalyst	catalyst	NOUN
cet-14694	138	32	layer	layer	NOUN
cet-14694	138	33	,	,	PUNCT
cet-14694	138	34	international	international	ADJ
cet-14694	138	35	journal	journal	NOUN
cet-14694	138	36	of	of	ADP
cet-14694	138	37	hydrogen	hydrogen	NOUN
cet-14694	138	38	energy	energy	NOUN
cet-14694	138	39	,	,	PUNCT
cet-14694	138	40	volume	volume	NOUN
cet-14694	138	41	37	37	NUM
cet-14694	138	42	,	,	PUNCT
cet-14694	138	43	issue	issue	NOUN
cet-14694	138	44	17	17	NUM
cet-14694	138	45	,	,	PUNCT
cet-14694	138	46	pages	page	NOUN
cet-14694	138	47	12860	12860	NUM
cet-14694	138	48	-	-	SYM
cet-14694	138	49	12867	12867	NUM
cet-14694	138	50	.	.	PUNCT
cet-14694	139	1	perles	perle	NOUN
cet-14694	139	2	,	,	PUNCT
cet-14694	139	3	c.	c.	PROPN
cet-14694	139	4	,	,	PUNCT
cet-14694	139	5	2008	2008	NUM
cet-14694	139	6	,	,	PUNCT
cet-14694	139	7	physical	physical	ADJ
cet-14694	139	8	-	-	PUNCT
cet-14694	139	9	chemical	chemical	NOUN
cet-14694	139	10	properties	property	NOUN
cet-14694	139	11	related	relate	VERB
cet-14694	139	12	to	to	ADP
cet-14694	139	13	the	the	DET
cet-14694	139	14	development	development	NOUN
cet-14694	139	15	of	of	ADP
cet-14694	139	16	nafion	nafion	NOUN
cet-14694	139	17	®	®	NOUN
cet-14694	139	18	membranes	membrane	NOUN
cet-14694	139	19	for	for	ADP
cet-14694	139	20	applications	application	NOUN
cet-14694	139	21	in	in	ADP
cet-14694	139	22	pemfc	pemfc	ADJ
cet-14694	139	23	-	-	PUNCT
cet-14694	139	24	type	type	NOUN
cet-14694	139	25	fuel	fuel	NOUN
cet-14694	139	26	cells	cell	NOUN
cet-14694	139	27	(	(	PUNCT
cet-14694	139	28	in	in	ADP
cet-14694	139	29	portuguese	portuguese	PROPN
cet-14694	139	30	)	)	PUNCT
cet-14694	139	31	,	,	PUNCT
cet-14694	139	32	polímeros	polímero	NOUN
cet-14694	139	33	:	:	PUNCT
cet-14694	139	34	ciência	ciência	PROPN
cet-14694	139	35	e	e	X
cet-14694	139	36	tecnologia	tecnologia	NOUN
cet-14694	139	37	,	,	PUNCT
cet-14694	139	38	vol	vol	NOUN
cet-14694	139	39	.	.	PROPN
cet-14694	139	40	18	18	NUM
cet-14694	139	41	,	,	PUNCT
cet-14694	139	42	nº	nº	INTJ
cet-14694	139	43	4	4	NUM
cet-14694	139	44	,	,	PUNCT
cet-14694	139	45	p.	p.	NOUN
cet-14694	139	46	281	281	NUM
cet-14694	139	47	-	-	SYM
cet-14694	139	48	288	288	NUM
cet-14694	139	49	.	.	PUNCT
cet-14694	140	1	smithsonian	smithsonian	PROPN
cet-14694	140	2	institution	institution	PROPN
cet-14694	140	3	,	,	PUNCT
cet-14694	140	4	2004	2004	NUM
cet-14694	140	5	,	,	PUNCT
cet-14694	140	6	pem	pem	VERB
cet-14694	140	7	fuel	fuel	NOUN
cet-14694	140	8	cells	cell	NOUN
cet-14694	140	9	,	,	PUNCT
cet-14694	140	10	<	<	X
cet-14694	140	11	https://americanhistory.si.edu/fuelcells/pem/pemmain.htm	https://americanhistory.si.edu/fuelcells/pem/pemmain.htm	X
cet-14694	140	12	#	#	NOUN
cet-14694	140	13	pem2a	pem2a	NOUN
cet-14694	140	14	>	>	X
cet-14694	140	15	accessed	access	VERB
cet-14694	140	16	19.12.2022	19.12.2022	PROPN
cet-14694	140	17	.	.	PUNCT
cet-14694	141	1	sae	sae	PROPN
cet-14694	141	2	brasil	brasil	PROPN
cet-14694	141	3	,	,	PUNCT
cet-14694	141	4	2020	2020	NUM
cet-14694	141	5	,	,	PUNCT
cet-14694	141	6	hybrid	hybrid	ADJ
cet-14694	141	7	h2	h2	NOUN
cet-14694	141	8	powertrain	powertrain	NOUN
cet-14694	141	9	specs	spec	NOUN
cet-14694	141	10	&	&	CCONJ
cet-14694	141	11	safety	safety	NOUN
cet-14694	141	12	rules	rule	NOUN
cet-14694	141	13	:	:	PUNCT
cet-14694	141	14	sae	sae	PROPN
cet-14694	141	15	brasil	brasil	PROPN
cet-14694	141	16	&	&	CCONJ
cet-14694	141	17	ballard	ballard	PROPN
cet-14694	141	18	h2	h2	PROPN
cet-14694	141	19	challenge	challenge	NOUN
cet-14694	141	20	2020	2020	NUM
cet-14694	141	21	.	.	PUNCT
cet-14694	142	1	450	450	NUM
cet-14694	142	2	74santana.pdf	74santana.pdf	NOUN
cet-14694	142	3	design	design	NOUN
cet-14694	142	4	considerations	consideration	NOUN
cet-14694	142	5	to	to	PART
cet-14694	142	6	ensure	ensure	VERB
cet-14694	142	7	a	a	DET
cet-14694	142	8	safe	safe	ADJ
cet-14694	142	9	and	and	CCONJ
cet-14694	142	10	effective	effective	ADJ
cet-14694	142	11	piping	piping	NOUN
cet-14694	142	12	system	system	NOUN
cet-14694	142	13	for	for	ADP
cet-14694	142	14	a	a	DET
cet-14694	142	15	self	self	NOUN
cet-14694	142	16	-	-	PUNCT
cet-14694	142	17	humidifying	humidify	VERB
cet-14694	142	18	pemfc	pemfc	NOUN