id	sid	tid	token	lemma	pos
s7526972d49	1	1	increasing	increase	VERB
s7526972d49	1	2	the	the	DET
s7526972d49	1	3	efficiency	efficiency	NOUN
s7526972d49	1	4	of	of	ADP
s7526972d49	1	5	existing	exist	VERB
s7526972d49	1	6	refrigeration	refrigeration	NOUN
s7526972d49	1	7	systems	system	NOUN
s7526972d49	1	8	is	be	AUX
s7526972d49	1	9	possible	possible	ADJ
s7526972d49	1	10	if	if	SCONJ
s7526972d49	1	11	a	a	DET
s7526972d49	1	12	new	new	ADJ
s7526972d49	1	13	alternative	alternative	ADJ
s7526972d49	1	14	refrigerant	refrigerant	NOUN
s7526972d49	1	15	can	can	AUX
s7526972d49	1	16	be	be	AUX
s7526972d49	1	17	selected	select	VERB
s7526972d49	1	18	.	.	PUNCT
s7526972d49	2	1	an	an	DET
s7526972d49	2	2	ideal	ideal	ADJ
s7526972d49	2	3	refrigerant	refrigerant	NOUN
s7526972d49	2	4	would	would	AUX
s7526972d49	2	5	be	be	AUX
s7526972d49	2	6	co2	co2	NOUN
s7526972d49	2	7	because	because	SCONJ
s7526972d49	2	8	it	it	PRON
s7526972d49	2	9	is	be	AUX
s7526972d49	2	10	a	a	DET
s7526972d49	2	11	natural	natural	ADJ
s7526972d49	2	12	refrigerant	refrigerant	NOUN
s7526972d49	2	13	with	with	ADP
s7526972d49	2	14	an	an	DET
s7526972d49	2	15	extremely	extremely	ADV
s7526972d49	2	16	high	high	ADJ
s7526972d49	2	17	efficiency	efficiency	NOUN
s7526972d49	2	18	.	.	PUNCT
s7526972d49	3	1	in	in	ADP
s7526972d49	3	2	an	an	DET
s7526972d49	3	3	effort	effort	NOUN
s7526972d49	3	4	to	to	PART
s7526972d49	3	5	use	use	VERB
s7526972d49	3	6	co2	co2	NOUN
s7526972d49	3	7	as	as	ADP
s7526972d49	3	8	a	a	DET
s7526972d49	3	9	refrigerant	refrigerant	ADJ
s7526972d49	3	10	,	,	PUNCT
s7526972d49	3	11	ionic	ionic	ADJ
s7526972d49	3	12	liquid	liquid	ADJ
s7526972d49	3	13	lubricants	lubricant	NOUN
s7526972d49	3	14	were	be	AUX
s7526972d49	3	15	considered	consider	VERB
s7526972d49	3	16	to	to	PART
s7526972d49	3	17	carry	carry	VERB
s7526972d49	3	18	the	the	DET
s7526972d49	3	19	co2	co2	NOUN
s7526972d49	3	20	and	and	CCONJ
s7526972d49	3	21	act	act	VERB
s7526972d49	3	22	as	as	ADP
s7526972d49	3	23	the	the	DET
s7526972d49	3	24	working	work	VERB
s7526972d49	3	25	fluid	fluid	NOUN
s7526972d49	3	26	.	.	PUNCT
s7526972d49	4	1	the	the	DET
s7526972d49	4	2	thermal	thermal	ADJ
s7526972d49	4	3	conductivity	conductivity	NOUN
s7526972d49	4	4	,	,	PUNCT
s7526972d49	4	5	viscosity	viscosity	NOUN
s7526972d49	4	6	,	,	PUNCT
s7526972d49	4	7	and	and	CCONJ
s7526972d49	4	8	pressure	pressure	NOUN
s7526972d49	4	9	-	-	PUNCT
s7526972d49	4	10	viscosity	viscosity	NOUN
s7526972d49	4	11	coefficient	coefficient	NOUN
s7526972d49	4	12	were	be	AUX
s7526972d49	4	13	measured	measure	VERB
s7526972d49	4	14	for	for	ADP
s7526972d49	4	15	several	several	ADJ
s7526972d49	4	16	ionic	ionic	ADJ
s7526972d49	4	17	liquids	liquid	NOUN
s7526972d49	4	18	using	use	VERB
s7526972d49	4	19	a	a	DET
s7526972d49	4	20	unitherm	unitherm	ADJ
s7526972d49	4	21	thermal	thermal	ADJ
s7526972d49	4	22	conductivity	conductivity	NOUN
s7526972d49	4	23	measurement	measurement	NOUN
s7526972d49	4	24	system	system	NOUN
s7526972d49	4	25	,	,	PUNCT
s7526972d49	4	26	a	a	DET
s7526972d49	4	27	viscometer	viscometer	NOUN
s7526972d49	4	28	,	,	PUNCT
s7526972d49	4	29	and	and	CCONJ
s7526972d49	4	30	an	an	DET
s7526972d49	4	31	elastohydrodynamic	elastohydrodynamic	ADJ
s7526972d49	4	32	lubrication	lubrication	NOUN
s7526972d49	4	33	(	(	PUNCT
s7526972d49	4	34	ehl	ehl	PROPN
s7526972d49	4	35	)	)	PUNCT
s7526972d49	4	36	rig	rig	NOUN
s7526972d49	4	37	,	,	PUNCT
s7526972d49	4	38	respectively	respectively	ADV
s7526972d49	4	39	.	.	PUNCT
s7526972d49	5	1	the	the	DET
s7526972d49	5	2	ionic	ionic	ADJ
s7526972d49	5	3	liquids	liquid	NOUN
s7526972d49	5	4	tested	test	VERB
s7526972d49	5	5	are	be	AUX
s7526972d49	5	6	1	1	NUM
s7526972d49	5	7	-	-	PUNCT
s7526972d49	5	8	butyl-3	butyl-3	NUM
s7526972d49	5	9	-	-	PUNCT
s7526972d49	5	10	methylimidazolium	methylimidazolium	NOUN
s7526972d49	5	11	-	-	PUNCT
s7526972d49	5	12	trifluoromethanesulfonate	trifluoromethanesulfonate	NOUN
s7526972d49	5	13	,	,	PUNCT
s7526972d49	5	14	tributyl(dodecyl)phosphonium	tributyl(dodecyl)phosphonium	NUM
s7526972d49	5	15	1,2,3	1,2,3	PROPN
s7526972d49	5	16	-	-	PUNCT
s7526972d49	5	17	triazolide	triazolide	PROPN
s7526972d49	5	18	and	and	CCONJ
s7526972d49	5	19	trihexyl(tetradecyl)phosphonium	trihexyl(tetradecyl)phosphonium	NUM
s7526972d49	5	20	1,2,3	1,2,3	NUM
s7526972d49	5	21	-	-	PUNCT
s7526972d49	5	22	triazolide	triazolide	PROPN
s7526972d49	5	23	.	.	PUNCT
s7526972d49	6	1	tests	test	NOUN
s7526972d49	6	2	were	be	AUX
s7526972d49	6	3	also	also	ADV
s7526972d49	6	4	performed	perform	VERB
s7526972d49	6	5	on	on	ADP
s7526972d49	6	6	paraffin	paraffin	PROPN
s7526972d49	6	7	,	,	PUNCT
s7526972d49	6	8	hexadecane	hexadecane	PROPN
s7526972d49	6	9	,	,	PUNCT
s7526972d49	6	10	and	and	CCONJ
s7526972d49	6	11	dodecane	dodecane	NOUN
s7526972d49	6	12	for	for	ADP
s7526972d49	6	13	comparison	comparison	NOUN
s7526972d49	6	14	.	.	PUNCT
s7526972d49	7	1	results	result	NOUN
s7526972d49	7	2	show	show	VERB
s7526972d49	7	3	that	that	SCONJ
s7526972d49	7	4	ionic	ionic	ADJ
s7526972d49	7	5	liquids	liquid	NOUN
s7526972d49	7	6	have	have	VERB
s7526972d49	7	7	the	the	DET
s7526972d49	7	8	potential	potential	NOUN
s7526972d49	7	9	to	to	PART
s7526972d49	7	10	be	be	AUX
s7526972d49	7	11	suitable	suitable	ADJ
s7526972d49	7	12	lubricants	lubricant	NOUN
s7526972d49	7	13	.	.	PUNCT