id	sid	tid	token	lemma	pos
fis-1950	1	1	shot	shoot	VERB
fis-1950	1	2	peening	peene	VERB
fis-1950	1	3	processes	process	NOUN
fis-1950	1	4	to	to	PART
fis-1950	1	5	obtain	obtain	VERB
fis-1950	1	6	nanocrystalline	nanocrystalline	ADJ
fis-1950	1	7	surfaces	surface	NOUN
fis-1950	1	8	in	in	ADP
fis-1950	1	9	metal	metal	NOUN
fis-1950	1	10	alloys	alloy	NOUN
fis-1950	1	11	:	:	PUNCT
fis-1950	1	12	j.-f	j.-f	NOUN
fis-1950	1	13	.	.	PUNCT
fis-1950	2	1	he	he	PRON
fis-1950	2	2	et	et	PROPN
fis-1950	2	3	alii	alii	PROPN
fis-1950	2	4	,	,	PUNCT
fis-1950	2	5	frattura	frattura	PROPN
fis-1950	2	6	ed	ed	PROPN
fis-1950	2	7	integrità	integrità	PROPN
fis-1950	2	8	strutturale	strutturale	PROPN
fis-1950	2	9	,	,	PUNCT
fis-1950	2	10	42	42	NUM
fis-1950	2	11	(	(	PUNCT
fis-1950	2	12	2017	2017	NUM
fis-1950	2	13	)	)	PUNCT
fis-1950	2	14	263	263	NUM
fis-1950	2	15	-	-	SYM
fis-1950	2	16	271	271	NUM
fis-1950	2	17	;	;	PUNCT
fis-1950	2	18	doi	doi	NOUN
fis-1950	2	19	:	:	PUNCT
fis-1950	2	20	10.3221	10.3221	NUM
fis-1950	2	21	/	/	SYM
fis-1950	2	22	igf	igf	PROPN
fis-1950	2	23	-	-	PUNCT
fis-1950	2	24	esis.42.28	esis.42.28	PROPN
fis-1950	2	25	263	263	NUM
fis-1950	2	26	study	study	NOUN
fis-1950	2	27	on	on	ADP
fis-1950	2	28	the	the	DET
fis-1950	2	29	abrasion	abrasion	NOUN
fis-1950	2	30	property	property	NOUN
fis-1950	2	31	of	of	ADP
fis-1950	2	32	the	the	DET
fis-1950	2	33	anvil	anvil	NOUN
fis-1950	2	34	inside	inside	ADP
fis-1950	2	35	a	a	DET
fis-1950	2	36	hydraulic	hydraulic	ADJ
fis-1950	2	37	dth	dth	ADJ
fis-1950	2	38	hammer	hammer	NOUN
fis-1950	2	39	fitted	fit	VERB
fis-1950	2	40	with	with	ADP
fis-1950	2	41	horizontal	horizontal	ADJ
fis-1950	2	42	oriented	orient	VERB
fis-1950	2	43	sliders	slider	NOUN
fis-1950	2	44	jiang	jiang	PROPN
fis-1950	2	45	-	-	PUNCT
fis-1950	2	46	fu	fu	PROPN
fis-1950	2	47	he	he	PRON
fis-1950	2	48	state	state	VERB
fis-1950	2	49	key	key	ADJ
fis-1950	2	50	laboratory	laboratory	NOUN
fis-1950	2	51	of	of	ADP
fis-1950	2	52	coal	coal	NOUN
fis-1950	2	53	mine	mine	NOUN
fis-1950	2	54	disaster	disaster	NOUN
fis-1950	2	55	dynamics	dynamic	NOUN
fis-1950	2	56	and	and	CCONJ
fis-1950	2	57	control	control	NOUN
fis-1950	2	58	,	,	PUNCT
fis-1950	2	59	college	college	NOUN
fis-1950	2	60	of	of	ADP
fis-1950	2	61	resources	resource	NOUN
fis-1950	2	62	and	and	CCONJ
fis-1950	2	63	environmental	environmental	ADJ
fis-1950	2	64	science	science	NOUN
fis-1950	2	65	,	,	PUNCT
fis-1950	2	66	chongqing	chongqing	PROPN
fis-1950	2	67	university	university	NOUN
fis-1950	2	68	,	,	PUNCT
fis-1950	2	69	chongqing	chongqe	VERB
fis-1950	2	70	400030	400030	NUM
fis-1950	2	71	,	,	PUNCT
fis-1950	2	72	china	china	PROPN
fis-1950	2	73	post	post	ADJ
fis-1950	2	74	-	-	ADJ
fis-1950	2	75	doctoral	doctoral	ADJ
fis-1950	2	76	research	research	NOUN
fis-1950	2	77	station	station	NOUN
fis-1950	2	78	of	of	ADP
fis-1950	2	79	mineral	mineral	NOUN
fis-1950	2	80	engineering	engineering	NOUN
fis-1950	2	81	,	,	PUNCT
fis-1950	2	82	chongqing	chongqing	PROPN
fis-1950	2	83	university	university	NOUN
fis-1950	2	84	,	,	PUNCT
fis-1950	2	85	chongqing	chongqe	VERB
fis-1950	2	86	400030	400030	NUM
fis-1950	2	87	,	,	PUNCT
fis-1950	2	88	china	china	PROPN
fis-1950	2	89	hejf2016@cqu.edu.cn	hejf2016@cqu.edu.cn	PROPN
fis-1950	2	90	;	;	PUNCT
fis-1950	2	91	http://orcid.org/	http://orcid.org/	PRON
fis-1950	2	92	0000	0000	NUM
fis-1950	2	93	-	-	PUNCT
fis-1950	2	94	0002	0002	NUM
fis-1950	2	95	-	-	PUNCT
fis-1950	2	96	6581	6581	NUM
fis-1950	2	97	-	-	SYM
fis-1950	2	98	9709	9709	NUM
fis-1950	2	99	qi	qi	NOUN
fis-1950	2	100	-	-	PUNCT
fis-1950	2	101	lei	lei	PROPN
fis-1950	2	102	yin	yin	PROPN
fis-1950	2	103	*	*	PUNCT
fis-1950	2	104	,	,	PUNCT
fis-1950	2	105	kun	kun	PROPN
fis-1950	2	106	yin	yin	PROPN
fis-1950	2	107	college	college	PROPN
fis-1950	2	108	of	of	ADP
fis-1950	2	109	construction	construction	NOUN
fis-1950	2	110	engineering	engineering	PROPN
fis-1950	2	111	,	,	PUNCT
fis-1950	2	112	jilin	jilin	PROPN
fis-1950	2	113	university	university	PROPN
fis-1950	2	114	,	,	PUNCT
fis-1950	2	115	no	no	INTJ
fis-1950	2	116	.	.	PROPN
fis-1950	2	117	6	6	NUM
fis-1950	2	118	ximinzhu	ximinzhu	PROPN
fis-1950	2	119	str	str	PROPN
fis-1950	2	120	.	.	PUNCT
fis-1950	2	121	,	,	PUNCT
fis-1950	2	122	chaoyang	chaoyang	PROPN
fis-1950	2	123	district	district	PROPN
fis-1950	2	124	,	,	PUNCT
fis-1950	2	125	changchun	changchun	PROPN
fis-1950	2	126	,	,	PUNCT
fis-1950	2	127	130021,china	130021,china	PROPN
fis-1950	2	128	yinql_jlu@126.com	yinql_jlu@126.com	PROPN
fis-1950	2	129	,	,	PUNCT
fis-1950	2	130	yinkun@jlu.edu.cn	yinkun@jlu.edu.cn	PROPN
fis-1950	2	131	abstract	abstract	NOUN
fis-1950	2	132	.	.	PUNCT
fis-1950	3	1	hydraulic	hydraulic	ADJ
fis-1950	3	2	hammers	hammer	NOUN
fis-1950	3	3	have	have	AUX
fis-1950	3	4	been	be	AUX
fis-1950	3	5	extensively	extensively	ADV
fis-1950	3	6	applied	apply	VERB
fis-1950	3	7	to	to	ADP
fis-1950	3	8	horizontal	horizontal	ADJ
fis-1950	3	9	directional	directional	ADJ
fis-1950	3	10	well	well	ADJ
fis-1950	3	11	drilling	drilling	NOUN
fis-1950	3	12	in	in	ADP
fis-1950	3	13	hard	hard	ADJ
fis-1950	3	14	rock	rock	NOUN
fis-1950	3	15	formations	formation	NOUN
fis-1950	3	16	.	.	PUNCT
fis-1950	4	1	however	however	ADV
fis-1950	4	2	,	,	PUNCT
fis-1950	4	3	the	the	DET
fis-1950	4	4	service	service	NOUN
fis-1950	4	5	life	life	NOUN
fis-1950	4	6	of	of	ADP
fis-1950	4	7	a	a	DET
fis-1950	4	8	hydraulic	hydraulic	ADJ
fis-1950	4	9	hammer	hammer	NOUN
fis-1950	4	10	is	be	AUX
fis-1950	4	11	still	still	ADV
fis-1950	4	12	unsatisfactory	unsatisfactory	ADJ
fis-1950	4	13	due	due	ADP
fis-1950	4	14	to	to	ADP
fis-1950	4	15	the	the	DET
fis-1950	4	16	heavy	heavy	ADJ
fis-1950	4	17	wear	wear	NOUN
fis-1950	4	18	or	or	CCONJ
fis-1950	4	19	abrasion	abrasion	NOUN
fis-1950	4	20	of	of	ADP
fis-1950	4	21	the	the	DET
fis-1950	4	22	horizontal	horizontal	ADJ
fis-1950	4	23	anvil	anvil	NOUN
fis-1950	4	24	,	,	PUNCT
fis-1950	4	25	which	which	PRON
fis-1950	4	26	leads	lead	VERB
fis-1950	4	27	to	to	ADP
fis-1950	4	28	the	the	DET
fis-1950	4	29	failure	failure	NOUN
fis-1950	4	30	and	and	CCONJ
fis-1950	4	31	the	the	DET
fis-1950	4	32	reduction	reduction	NOUN
fis-1950	4	33	of	of	ADP
fis-1950	4	34	service	service	NOUN
fis-1950	4	35	life	life	NOUN
fis-1950	4	36	in	in	ADP
fis-1950	4	37	directional	directional	ADJ
fis-1950	5	1	well	well	ADJ
fis-1950	5	2	drilling	drilling	NOUN
fis-1950	5	3	.	.	PUNCT
fis-1950	6	1	in	in	ADP
fis-1950	6	2	order	order	NOUN
fis-1950	6	3	to	to	PART
fis-1950	6	4	improve	improve	VERB
fis-1950	6	5	the	the	DET
fis-1950	6	6	performance	performance	NOUN
fis-1950	6	7	life	life	NOUN
fis-1950	6	8	of	of	ADP
fis-1950	6	9	a	a	DET
fis-1950	6	10	hydraulic	hydraulic	ADJ
fis-1950	6	11	hammer	hammer	NOUN
fis-1950	6	12	,	,	PUNCT
fis-1950	6	13	the	the	DET
fis-1950	6	14	new	new	ADJ
fis-1950	6	15	type	type	NOUN
fis-1950	6	16	of	of	ADP
fis-1950	6	17	anvil	anvil	NOUN
fis-1950	6	18	with	with	ADP
fis-1950	6	19	a	a	DET
fis-1950	6	20	horizontal	horizontal	ADJ
fis-1950	6	21	oriented	orient	VERB
fis-1950	6	22	slider	slider	NOUN
fis-1950	6	23	has	have	AUX
fis-1950	6	24	been	be	AUX
fis-1950	6	25	designed	design	VERB
fis-1950	6	26	.	.	PUNCT
fis-1950	7	1	the	the	DET
fis-1950	7	2	abrasion	abrasion	NOUN
fis-1950	7	3	property	property	NOUN
fis-1950	7	4	of	of	ADP
fis-1950	7	5	the	the	DET
fis-1950	7	6	horizontal	horizontal	ADJ
fis-1950	7	7	oriented	orient	VERB
fis-1950	7	8	slider	slider	NOUN
fis-1950	7	9	have	have	AUX
fis-1950	7	10	been	be	AUX
fis-1950	7	11	numerically	numerically	ADV
fis-1950	7	12	simulated	simulate	VERB
fis-1950	7	13	and	and	CCONJ
fis-1950	7	14	analyzed	analyze	VERB
fis-1950	7	15	by	by	ADP
fis-1950	7	16	finite	finite	ADJ
fis-1950	7	17	element	element	NOUN
fis-1950	7	18	analysis	analysis	NOUN
fis-1950	7	19	.	.	PUNCT
fis-1950	8	1	simulation	simulation	NOUN
fis-1950	8	2	and	and	CCONJ
fis-1950	8	3	experimental	experimental	ADJ
fis-1950	8	4	results	result	NOUN
fis-1950	8	5	have	have	AUX
fis-1950	8	6	shown	show	VERB
fis-1950	8	7	that	that	SCONJ
fis-1950	8	8	the	the	DET
fis-1950	8	9	abrasion	abrasion	NOUN
fis-1950	8	10	rate	rate	NOUN
fis-1950	8	11	exponentially	exponentially	ADV
fis-1950	8	12	varies	vary	VERB
fis-1950	8	13	with	with	ADP
fis-1950	8	14	the	the	DET
fis-1950	8	15	mass	mass	NOUN
fis-1950	8	16	of	of	ADP
fis-1950	8	17	the	the	DET
fis-1950	8	18	anvil	anvil	NOUN
fis-1950	8	19	and	and	CCONJ
fis-1950	8	20	the	the	DET
fis-1950	8	21	friction	friction	NOUN
fis-1950	8	22	coefficient	coefficient	NOUN
fis-1950	8	23	of	of	ADP
fis-1950	8	24	horizontal	horizontal	ADJ
fis-1950	8	25	oriented	orient	VERB
fis-1950	8	26	slider	slider	NOUN
fis-1950	8	27	,	,	PUNCT
fis-1950	8	28	nevertheless	nevertheless	ADV
fis-1950	8	29	the	the	DET
fis-1950	8	30	abrasion	abrasion	NOUN
fis-1950	8	31	rate	rate	NOUN
fis-1950	8	32	of	of	ADP
fis-1950	8	33	horizontal	horizontal	ADJ
fis-1950	8	34	anvil	anvil	NOUN
fis-1950	8	35	is	be	AUX
fis-1950	8	36	almost	almost	ADV
fis-1950	8	37	logarithmically	logarithmically	ADV
fis-1950	8	38	varies	vary	VERB
fis-1950	8	39	with	with	ADP
fis-1950	8	40	moving	move	VERB
fis-1950	8	41	velocity	velocity	NOUN
fis-1950	8	42	of	of	ADP
fis-1950	8	43	oriented	orient	VERB
fis-1950	8	44	slider	slider	NOUN
fis-1950	8	45	.	.	PUNCT
fis-1950	9	1	the	the	DET
fis-1950	9	2	maximum	maximum	ADJ
fis-1950	9	3	abrasion	abrasion	NOUN
fis-1950	9	4	rate	rate	NOUN
fis-1950	9	5	of	of	ADP
fis-1950	9	6	horizontal	horizontal	ADJ
fis-1950	9	7	oriented	orient	VERB
fis-1950	9	8	sliders	slider	NOUN
fis-1950	9	9	will	will	AUX
fis-1950	9	10	exceed	exceed	VERB
fis-1950	9	11	4	4	NUM
fis-1950	9	12	%	%	NOUN
fis-1950	9	13	while	while	SCONJ
fis-1950	9	14	moving	move	VERB
fis-1950	9	15	velocity	velocity	NOUN
fis-1950	9	16	of	of	ADP
fis-1950	9	17	the	the	DET
fis-1950	9	18	horizontal	horizontal	ADJ
fis-1950	9	19	anvil	anvil	NOUN
fis-1950	9	20	is	be	AUX
fis-1950	9	21	larger	large	ADJ
fis-1950	9	22	than	than	ADP
fis-1950	9	23	3	3	NUM
fis-1950	9	24	m/s	m/s	NUM
fis-1950	9	25	.	.	PUNCT
fis-1950	10	1	while	while	SCONJ
fis-1950	10	2	the	the	DET
fis-1950	10	3	mass	mass	NOUN
fis-1950	10	4	of	of	ADP
fis-1950	10	5	the	the	DET
fis-1950	10	6	anvil	anvil	NOUN
fis-1950	10	7	is	be	AUX
fis-1950	10	8	100	100	NUM
fis-1950	10	9	kg	kg	NOUN
fis-1950	10	10	,	,	PUNCT
fis-1950	10	11	the	the	DET
fis-1950	10	12	maximum	maximum	ADJ
fis-1950	10	13	abrasion	abrasion	NOUN
fis-1950	10	14	rate	rate	NOUN
fis-1950	10	15	of	of	ADP
fis-1950	10	16	horizontal	horizontal	ADJ
fis-1950	10	17	oriented	orient	VERB
fis-1950	10	18	slider	slider	NOUN
fis-1950	10	19	is	be	AUX
fis-1950	10	20	7.5‱.	7.5‱.	NUM
fis-1950	10	21	however	however	ADV
fis-1950	10	22	,	,	PUNCT
fis-1950	10	23	the	the	DET
fis-1950	10	24	maximum	maximum	ADJ
fis-1950	10	25	abrasion	abrasion	NOUN
fis-1950	10	26	rate	rate	NOUN
fis-1950	10	27	of	of	ADP
fis-1950	10	28	a	a	DET
fis-1950	10	29	horizontal	horizontal	ADJ
fis-1950	10	30	oriented	orient	VERB
fis-1950	10	31	slider	slider	NOUN
fis-1950	10	32	will	will	AUX
fis-1950	10	33	be	be	AUX
fis-1950	10	34	up	up	ADP
fis-1950	10	35	to	to	PART
fis-1950	10	36	16.5	16.5	NUM
fis-1950	10	37	%	%	NOUN
fis-1950	10	38	while	while	SCONJ
fis-1950	10	39	the	the	DET
fis-1950	10	40	friction	friction	NOUN
fis-1950	10	41	coefficient	coefficient	NOUN
fis-1950	10	42	is	be	AUX
fis-1950	10	43	more	more	ADJ
fis-1950	10	44	than	than	ADP
fis-1950	10	45	0.2	0.2	NUM
fis-1950	10	46	.	.	PUNCT
fis-1950	11	1	keywords	keyword	NOUN
fis-1950	11	2	.	.	PUNCT
fis-1950	12	1	horizontal	horizontal	ADJ
fis-1950	12	2	oriented	orient	VERB
fis-1950	12	3	slider	slider	NOUN
fis-1950	12	4	;	;	PUNCT
fis-1950	12	5	hydraulic	hydraulic	ADJ
fis-1950	12	6	hammer	hammer	NOUN
fis-1950	12	7	;	;	PUNCT
fis-1950	12	8	anvil	anvil	NOUN
fis-1950	12	9	;	;	PUNCT
fis-1950	12	10	abrasion	abrasion	NOUN
fis-1950	12	11	rate	rate	NOUN
fis-1950	12	12	;	;	PUNCT
fis-1950	12	13	directional	directional	ADJ
fis-1950	12	14	well	well	INTJ
fis-1950	12	15	drilling	drilling	NOUN
fis-1950	12	16	.	.	PUNCT
fis-1950	13	1	citation	citation	NOUN
fis-1950	13	2	:	:	PUNCT
fis-1950	14	1	he	he	PRON
fis-1950	14	2	,	,	PUNCT
fis-1950	14	3	j.-f	j.-f	PROPN
fis-1950	14	4	.	.	PUNCT
fis-1950	14	5	,	,	PUNCT
fis-1950	14	6	yin,.q	yin,.q	PROPN
fis-1950	14	7	.	.	PROPN
fis-1950	14	8	,	,	PUNCT
fis-1950	14	9	yin	yin	PROPN
fis-1950	14	10	,	,	PUNCT
fis-1950	14	11	k.	k.	PROPN
fis-1950	14	12	,	,	PUNCT
fis-1950	14	13	study	study	VERB
fis-1950	14	14	on	on	ADP
fis-1950	14	15	the	the	DET
fis-1950	14	16	abrasion	abrasion	NOUN
fis-1950	14	17	property	property	NOUN
fis-1950	14	18	of	of	ADP
fis-1950	14	19	a	a	DET
fis-1950	14	20	hydraulic	hydraulic	ADJ
fis-1950	14	21	hammer	hammer	NOUN
fis-1950	14	22	with	with	ADP
fis-1950	14	23	horizontal	horizontal	ADJ
fis-1950	14	24	oriented	orient	VERB
fis-1950	14	25	sliders	slider	NOUN
fis-1950	14	26	,	,	PUNCT
fis-1950	14	27	frattura	frattura	PROPN
fis-1950	14	28	ed	ed	PROPN
fis-1950	14	29	integrità	integrità	PROPN
fis-1950	14	30	strutturale	strutturale	PROPN
fis-1950	14	31	,	,	PUNCT
fis-1950	14	32	42	42	NUM
fis-1950	14	33	(	(	PUNCT
fis-1950	14	34	2017	2017	NUM
fis-1950	14	35	)	)	PUNCT
fis-1950	14	36	263	263	NUM
fis-1950	14	37	-	-	SYM
fis-1950	14	38	271	271	NUM
fis-1950	14	39	.	.	PUNCT
fis-1950	15	1	received	receive	VERB
fis-1950	15	2	:	:	PUNCT
fis-1950	15	3	20.05.2017	20.05.2017	NUM
fis-1950	15	4	accepted	accept	VERB
fis-1950	15	5	:	:	PUNCT
fis-1950	15	6	13.08.2017	13.08.2017	NUM
fis-1950	15	7	published	publish	VERB
fis-1950	15	8	:	:	PUNCT
fis-1950	15	9	01.10.2017	01.10.2017	CCONJ
fis-1950	16	1	copyright	copyright	NOUN
fis-1950	16	2	:	:	PUNCT
fis-1950	16	3	©	©	PROPN
fis-1950	16	4	2017	2017	NUM
fis-1950	16	5	this	this	PRON
fis-1950	16	6	is	be	AUX
fis-1950	16	7	an	an	DET
fis-1950	16	8	open	open	ADJ
fis-1950	16	9	access	access	NOUN
fis-1950	16	10	article	article	NOUN
fis-1950	16	11	under	under	ADP
fis-1950	16	12	the	the	DET
fis-1950	16	13	terms	term	NOUN
fis-1950	16	14	of	of	ADP
fis-1950	16	15	the	the	DET
fis-1950	16	16	cc	cc	NOUN
fis-1950	16	17	-	-	PUNCT
fis-1950	16	18	by	by	ADP
fis-1950	16	19	4.0	4.0	NUM
fis-1950	16	20	,	,	PUNCT
fis-1950	16	21	which	which	PRON
fis-1950	16	22	permits	permit	VERB
fis-1950	16	23	unrestricted	unrestricted	ADJ
fis-1950	16	24	use	use	NOUN
fis-1950	16	25	,	,	PUNCT
fis-1950	16	26	distribution	distribution	NOUN
fis-1950	16	27	,	,	PUNCT
fis-1950	16	28	and	and	CCONJ
fis-1950	16	29	reproduction	reproduction	NOUN
fis-1950	16	30	in	in	ADP
fis-1950	16	31	any	any	DET
fis-1950	16	32	medium	medium	NOUN
fis-1950	16	33	,	,	PUNCT
fis-1950	16	34	provided	provide	VERB
fis-1950	16	35	the	the	DET
fis-1950	16	36	original	original	ADJ
fis-1950	16	37	author	author	NOUN
fis-1950	16	38	and	and	CCONJ
fis-1950	16	39	source	source	NOUN
fis-1950	16	40	are	be	AUX
fis-1950	16	41	credited	credit	VERB
fis-1950	16	42	.	.	PUNCT
fis-1950	17	1	introduction	introduction	NOUN
fis-1950	17	2	s	s	VERB
fis-1950	17	3	a	a	DET
fis-1950	17	4	percussive	percussive	ADJ
fis-1950	17	5	and	and	CCONJ
fis-1950	17	6	rotary	rotary	ADJ
fis-1950	17	7	drilling	drilling	NOUN
fis-1950	17	8	tool	tool	NOUN
fis-1950	17	9	,	,	PUNCT
fis-1950	17	10	the	the	DET
fis-1950	17	11	hydraulic	hydraulic	ADJ
fis-1950	17	12	dth	dth	ADJ
fis-1950	17	13	hammer	hammer	NOUN
fis-1950	17	14	with	with	ADP
fis-1950	17	15	a	a	DET
fis-1950	17	16	fluidic	fluidic	ADJ
fis-1950	17	17	amplifier	amplifier	NOUN
fis-1950	17	18	has	have	AUX
fis-1950	17	19	been	be	AUX
fis-1950	17	20	extensively	extensively	ADV
fis-1950	17	21	applied	apply	VERB
fis-1950	17	22	to	to	ADP
fis-1950	17	23	geological	geological	ADJ
fis-1950	17	24	core	core	NOUN
fis-1950	17	25	drilling	drilling	NOUN
fis-1950	17	26	,	,	PUNCT
fis-1950	17	27	hydrological	hydrological	ADJ
fis-1950	17	28	well	well	ADV
fis-1950	17	29	drilling	drilling	NOUN
fis-1950	17	30	,	,	PUNCT
fis-1950	17	31	trenchless	trenchless	NOUN
fis-1950	17	32	drilling	drilling	NOUN
fis-1950	17	33	,	,	PUNCT
fis-1950	17	34	oil	oil	NOUN
fis-1950	17	35	and	and	CCONJ
fis-1950	17	36	gas	gas	NOUN
fis-1950	17	37	well	well	ADV
fis-1950	17	38	drilling	drill	VERB
fis-1950	17	39	[	[	X
fis-1950	17	40	1	1	NUM
fis-1950	17	41	,	,	PUNCT
fis-1950	17	42	2	2	NUM
fis-1950	17	43	]	]	PUNCT
fis-1950	17	44	.	.	PUNCT
fis-1950	18	1	due	due	ADP
fis-1950	18	2	to	to	ADP
fis-1950	18	3	the	the	DET
fis-1950	18	4	high	high	ADJ
fis-1950	18	5	penetration	penetration	NOUN
fis-1950	18	6	rate	rate	NOUN
fis-1950	18	7	,	,	PUNCT
fis-1950	18	8	low	low	ADJ
fis-1950	18	9	occurrence	occurrence	NOUN
fis-1950	18	10	of	of	ADP
fis-1950	18	11	drilling	drilling	NOUN
fis-1950	18	12	accidents	accident	NOUN
fis-1950	18	13	and	and	CCONJ
fis-1950	18	14	excellent	excellent	ADJ
fis-1950	18	15	borehole	borehole	NOUN
fis-1950	18	16	quality	quality	NOUN
fis-1950	18	17	in	in	ADP
fis-1950	18	18	drilling	drilling	NOUN
fis-1950	18	19	,	,	PUNCT
fis-1950	18	20	the	the	DET
fis-1950	18	21	a	a	DET
fis-1950	18	22	j.-f	j.-f	NOUN
fis-1950	18	23	.	.	PUNCT
fis-1950	19	1	he	he	PRON
fis-1950	19	2	et	et	PROPN
fis-1950	19	3	alii	alii	PROPN
fis-1950	19	4	,	,	PUNCT
fis-1950	19	5	frattura	frattura	PROPN
fis-1950	19	6	ed	ed	PROPN
fis-1950	19	7	integrità	integrità	PROPN
fis-1950	19	8	strutturale	strutturale	PROPN
fis-1950	19	9	,	,	PUNCT
fis-1950	19	10	42	42	NUM
fis-1950	19	11	(	(	PUNCT
fis-1950	19	12	2017	2017	NUM
fis-1950	19	13	)	)	PUNCT
fis-1950	19	14	263	263	NUM
fis-1950	19	15	-	-	SYM
fis-1950	19	16	271	271	NUM
fis-1950	19	17	;	;	PUNCT
fis-1950	19	18	doi	doi	NOUN
fis-1950	19	19	:	:	PUNCT
fis-1950	19	20	10.3221	10.3221	NUM
fis-1950	19	21	/	/	SYM
fis-1950	19	22	igf	igf	PROPN
fis-1950	19	23	-	-	PUNCT
fis-1950	19	24	esis.42.28	esis.42.28	PROPN
fis-1950	19	25	264	264	NUM
fis-1950	19	26	hydraulic	hydraulic	ADJ
fis-1950	19	27	hammer	hammer	NOUN
fis-1950	19	28	with	with	ADP
fis-1950	19	29	a	a	DET
fis-1950	19	30	fluidic	fluidic	ADJ
fis-1950	19	31	amplifier	amplifier	NOUN
fis-1950	19	32	has	have	AUX
fis-1950	19	33	also	also	ADV
fis-1950	19	34	been	be	AUX
fis-1950	19	35	regarded	regard	VERB
fis-1950	19	36	as	as	ADP
fis-1950	19	37	the	the	DET
fis-1950	19	38	most	most	ADV
fis-1950	19	39	efficient	efficient	ADJ
fis-1950	19	40	drilling	drilling	NOUN
fis-1950	19	41	tool	tool	NOUN
fis-1950	19	42	in	in	ADP
fis-1950	19	43	hard	hard	ADJ
fis-1950	19	44	rock	rock	NOUN
fis-1950	19	45	or	or	CCONJ
fis-1950	19	46	complicated	complicated	ADJ
fis-1950	19	47	formations	formation	NOUN
fis-1950	19	48	[	[	X
fis-1950	19	49	3	3	NUM
fis-1950	19	50	-	-	SYM
fis-1950	19	51	5	5	NUM
fis-1950	19	52	]	]	PUNCT
fis-1950	19	53	.	.	PUNCT
fis-1950	20	1	with	with	ADP
fis-1950	20	2	the	the	DET
fis-1950	20	3	rapid	rapid	ADJ
fis-1950	20	4	development	development	NOUN
fis-1950	20	5	of	of	ADP
fis-1950	20	6	drilling	drilling	NOUN
fis-1950	20	7	technology	technology	NOUN
fis-1950	20	8	,	,	PUNCT
fis-1950	20	9	the	the	DET
fis-1950	20	10	application	application	NOUN
fis-1950	20	11	of	of	ADP
fis-1950	20	12	hydraulic	hydraulic	ADJ
fis-1950	20	13	hammers	hammer	NOUN
fis-1950	20	14	with	with	ADP
fis-1950	20	15	a	a	DET
fis-1950	20	16	fluidic	fluidic	ADJ
fis-1950	20	17	amplifier	amplifier	NOUN
fis-1950	20	18	has	have	AUX
fis-1950	20	19	been	be	AUX
fis-1950	20	20	extended	extend	VERB
fis-1950	20	21	to	to	ADP
fis-1950	20	22	horizontal	horizontal	ADJ
fis-1950	20	23	directional	directional	ADJ
fis-1950	20	24	well	well	ADJ
fis-1950	20	25	drilling	drilling	NOUN
fis-1950	20	26	in	in	ADP
fis-1950	20	27	recent	recent	ADJ
fis-1950	20	28	years	year	NOUN
fis-1950	20	29	,	,	PUNCT
fis-1950	20	30	which	which	PRON
fis-1950	20	31	contributes	contribute	VERB
fis-1950	20	32	to	to	ADP
fis-1950	20	33	the	the	DET
fis-1950	20	34	development	development	NOUN
fis-1950	20	35	of	of	ADP
fis-1950	20	36	trenchless	trenchless	NOUN
fis-1950	20	37	drilling	drilling	NOUN
fis-1950	20	38	technology	technology	NOUN
fis-1950	20	39	of	of	ADP
fis-1950	20	40	oil	oil	NOUN
fis-1950	20	41	-	-	PUNCT
fis-1950	20	42	gas	gas	NOUN
fis-1950	20	43	pipeline	pipeline	NOUN
fis-1950	20	44	construction	construction	NOUN
fis-1950	20	45	in	in	ADP
fis-1950	20	46	hard	hard	ADJ
fis-1950	20	47	rock	rock	NOUN
fis-1950	20	48	and	and	CCONJ
fis-1950	20	49	complicated	complicated	ADJ
fis-1950	20	50	formations	formation	NOUN
fis-1950	20	51	.	.	PUNCT
fis-1950	21	1	unlike	unlike	ADP
fis-1950	21	2	the	the	DET
fis-1950	21	3	conventional	conventional	ADJ
fis-1950	21	4	vertical	vertical	ADJ
fis-1950	21	5	hole	hole	NOUN
fis-1950	21	6	drilling	drill	VERB
fis-1950	21	7	with	with	ADP
fis-1950	21	8	hydraulic	hydraulic	ADJ
fis-1950	21	9	hammers	hammer	NOUN
fis-1950	21	10	,	,	PUNCT
fis-1950	21	11	horizontal	horizontal	ADJ
fis-1950	21	12	directional	directional	ADJ
fis-1950	21	13	well	well	ADJ
fis-1950	21	14	drilling	drilling	NOUN
fis-1950	21	15	demands	demand	NOUN
fis-1950	21	16	the	the	DET
fis-1950	21	17	anvil	anvil	NOUN
fis-1950	21	18	horizontally	horizontally	ADV
fis-1950	21	19	impact	impact	VERB
fis-1950	21	20	the	the	DET
fis-1950	21	21	drill	drill	NOUN
fis-1950	21	22	bit	bit	NOUN
fis-1950	21	23	while	while	SCONJ
fis-1950	21	24	the	the	DET
fis-1950	21	25	hydraulic	hydraulic	ADJ
fis-1950	21	26	dth	dth	ADJ
fis-1950	21	27	hammer	hammer	NOUN
fis-1950	21	28	is	be	AUX
fis-1950	21	29	in	in	ADP
fis-1950	21	30	operation	operation	NOUN
fis-1950	21	31	,	,	PUNCT
fis-1950	21	32	which	which	PRON
fis-1950	21	33	aggravates	aggravate	VERB
fis-1950	21	34	the	the	DET
fis-1950	21	35	abrasion	abrasion	NOUN
fis-1950	21	36	of	of	ADP
fis-1950	21	37	hydraulic	hydraulic	ADJ
fis-1950	21	38	hammer	hammer	NOUN
fis-1950	21	39	and	and	CCONJ
fis-1950	21	40	leads	lead	VERB
fis-1950	21	41	to	to	ADP
fis-1950	21	42	the	the	DET
fis-1950	21	43	reduction	reduction	NOUN
fis-1950	21	44	of	of	ADP
fis-1950	21	45	service	service	NOUN
fis-1950	21	46	life	life	NOUN
fis-1950	21	47	of	of	ADP
fis-1950	21	48	hydraulic	hydraulic	ADJ
fis-1950	21	49	dth	dth	ADJ
fis-1950	21	50	hammers	hammer	NOUN
fis-1950	21	51	.	.	PUNCT
fis-1950	22	1	in	in	ADP
fis-1950	22	2	order	order	NOUN
fis-1950	22	3	to	to	PART
fis-1950	22	4	improve	improve	VERB
fis-1950	22	5	the	the	DET
fis-1950	22	6	penetration	penetration	NOUN
fis-1950	22	7	rate	rate	NOUN
fis-1950	22	8	and	and	CCONJ
fis-1950	22	9	drilling	drilling	NOUN
fis-1950	22	10	cost	cost	NOUN
fis-1950	22	11	of	of	ADP
fis-1950	22	12	hard	hard	ADJ
fis-1950	22	13	rock	rock	NOUN
fis-1950	22	14	formations	formation	NOUN
fis-1950	22	15	,	,	PUNCT
fis-1950	22	16	the	the	DET
fis-1950	22	17	hydraulic	hydraulic	ADJ
fis-1950	22	18	hammer	hammer	NOUN
fis-1950	22	19	has	have	AUX
fis-1950	22	20	been	be	AUX
fis-1950	22	21	initially	initially	ADV
fis-1950	22	22	proposed	propose	VERB
fis-1950	22	23	and	and	CCONJ
fis-1950	22	24	designed	design	VERB
fis-1950	22	25	in	in	ADP
fis-1950	22	26	former	former	ADJ
fis-1950	22	27	soviet	soviet	PROPN
fis-1950	22	28	union	union	NOUN
fis-1950	22	29	,	,	PUNCT
fis-1950	22	30	and	and	CCONJ
fis-1950	22	31	a	a	DET
fis-1950	22	32	proven	prove	VERB
fis-1950	22	33	efficiency	efficiency	NOUN
fis-1950	22	34	of	of	ADP
fis-1950	22	35	40	40	NUM
fis-1950	22	36	%	%	NOUN
fis-1950	22	37	has	have	AUX
fis-1950	22	38	been	be	AUX
fis-1950	22	39	achieved	achieve	VERB
fis-1950	22	40	with	with	ADP
fis-1950	22	41	new	new	ADJ
fis-1950	22	42	generation	generation	NOUN
fis-1950	22	43	of	of	ADP
fis-1950	22	44	hydraulic	hydraulic	ADJ
fis-1950	22	45	hammer	hammer	NOUN
fis-1950	22	46	.	.	PUNCT
fis-1950	23	1	afterwards	afterwards	ADV
fis-1950	23	2	,	,	PUNCT
fis-1950	23	3	yuri	yuri	PROPN
fis-1950	23	4	and	and	CCONJ
fis-1950	23	5	andrei	andrei	PROPN
fis-1950	23	6	conducted	conduct	VERB
fis-1950	23	7	relevant	relevant	ADJ
fis-1950	23	8	field	field	NOUN
fis-1950	23	9	tests	test	NOUN
fis-1950	23	10	to	to	PART
fis-1950	23	11	improve	improve	VERB
fis-1950	23	12	the	the	DET
fis-1950	23	13	efficiency	efficiency	NOUN
fis-1950	23	14	of	of	ADP
fis-1950	23	15	the	the	DET
fis-1950	23	16	hammer	hammer	NOUN
fis-1950	23	17	in	in	ADP
fis-1950	23	18	us	we	PRON
fis-1950	23	19	,	,	PUNCT
fis-1950	23	20	which	which	PRON
fis-1950	23	21	leads	lead	VERB
fis-1950	23	22	to	to	ADP
fis-1950	23	23	the	the	DET
fis-1950	23	24	development	development	NOUN
fis-1950	23	25	of	of	ADP
fis-1950	23	26	hydraulic	hydraulic	ADJ
fis-1950	23	27	hammer	hammer	NOUN
fis-1950	24	1	[	[	X
fis-1950	24	2	6	6	NUM
fis-1950	24	3	]	]	PUNCT
fis-1950	24	4	.	.	PUNCT
fis-1950	25	1	allowing	allow	VERB
fis-1950	25	2	for	for	ADP
fis-1950	25	3	the	the	DET
fis-1950	25	4	cost	cost	NOUN
fis-1950	25	5	reduction	reduction	NOUN
fis-1950	25	6	and	and	CCONJ
fis-1950	25	7	technological	technological	ADJ
fis-1950	25	8	advantages	advantage	NOUN
fis-1950	25	9	in	in	ADP
fis-1950	25	10	deep	deep	ADJ
fis-1950	25	11	or	or	CCONJ
fis-1950	25	12	medium	medium	NOUN
fis-1950	25	13	-	-	PUNCT
fis-1950	25	14	to	to	ADP
fis-1950	25	15	-	-	PUNCT
fis-1950	25	16	hard	hard	ADJ
fis-1950	25	17	rock	rock	NOUN
fis-1950	25	18	formations	formation	NOUN
fis-1950	25	19	,	,	PUNCT
fis-1950	25	20	d.	d.	PROPN
fis-1950	25	21	pixton	pixton	PROPN
fis-1950	25	22	and	and	CCONJ
fis-1950	25	23	d.	d.	PROPN
fis-1950	25	24	hall	hall	PROPN
fis-1950	25	25	have	have	AUX
fis-1950	25	26	proposed	propose	VERB
fis-1950	25	27	the	the	DET
fis-1950	25	28	advanced	advanced	ADJ
fis-1950	25	29	mud	mud	NOUN
fis-1950	25	30	hammer	hammer	NOUN
fis-1950	25	31	system	system	NOUN
fis-1950	25	32	,	,	PUNCT
fis-1950	25	33	and	and	CCONJ
fis-1950	25	34	the	the	DET
fis-1950	25	35	prototype	prototype	NOUN
fis-1950	25	36	of	of	ADP
fis-1950	25	37	the	the	DET
fis-1950	25	38	hammer	hammer	NOUN
fis-1950	25	39	system	system	NOUN
fis-1950	25	40	have	have	AUX
fis-1950	25	41	also	also	ADV
fis-1950	25	42	been	be	AUX
fis-1950	25	43	developed	develop	VERB
fis-1950	25	44	and	and	CCONJ
fis-1950	25	45	reported	report	VERB
fis-1950	25	46	[	[	X
fis-1950	25	47	7	7	NUM
fis-1950	25	48	]	]	PUNCT
fis-1950	25	49	.	.	PUNCT
fis-1950	26	1	however	however	ADV
fis-1950	26	2	,	,	PUNCT
fis-1950	26	3	no	no	DET
fis-1950	26	4	extra	extra	ADJ
fis-1950	26	5	introduction	introduction	NOUN
fis-1950	26	6	of	of	ADP
fis-1950	26	7	this	this	DET
fis-1950	26	8	mud	mud	NOUN
fis-1950	26	9	-	-	PUNCT
fis-1950	26	10	actuated	actuate	VERB
fis-1950	26	11	hammer	hammer	NOUN
fis-1950	26	12	has	have	AUX
fis-1950	26	13	been	be	AUX
fis-1950	26	14	reported	report	VERB
fis-1950	26	15	with	with	ADP
fis-1950	26	16	respect	respect	NOUN
fis-1950	26	17	to	to	ADP
fis-1950	26	18	the	the	DET
fis-1950	26	19	field	field	NOUN
fis-1950	26	20	application	application	NOUN
fis-1950	26	21	results	result	NOUN
fis-1950	26	22	and	and	CCONJ
fis-1950	26	23	service	service	NOUN
fis-1950	26	24	life	life	NOUN
fis-1950	26	25	time	time	NOUN
fis-1950	26	26	.	.	PUNCT
fis-1950	27	1	therefore	therefore	ADV
fis-1950	27	2	,	,	PUNCT
fis-1950	27	3	the	the	DET
fis-1950	27	4	new	new	ADJ
fis-1950	27	5	type	type	NOUN
fis-1950	27	6	of	of	ADP
fis-1950	27	7	hydraulic	hydraulic	ADJ
fis-1950	27	8	dth	dth	ADJ
fis-1950	27	9	hammer	hammer	NOUN
fis-1950	27	10	with	with	ADP
fis-1950	27	11	a	a	DET
fis-1950	27	12	horizontal	horizontal	ADJ
fis-1950	27	13	oriented	orient	VERB
fis-1950	27	14	slider	slider	NOUN
fis-1950	27	15	has	have	AUX
fis-1950	27	16	been	be	AUX
fis-1950	27	17	urgently	urgently	ADV
fis-1950	27	18	designed	design	VERB
fis-1950	27	19	and	and	CCONJ
fis-1950	27	20	applied	apply	VERB
fis-1950	27	21	to	to	ADP
fis-1950	27	22	horizontal	horizontal	ADJ
fis-1950	27	23	directional	directional	ADJ
fis-1950	27	24	well	well	NOUN
fis-1950	27	25	drilling	drilling	NOUN
fis-1950	27	26	in	in	ADP
fis-1950	27	27	order	order	NOUN
fis-1950	27	28	to	to	PART
fis-1950	27	29	improve	improve	VERB
fis-1950	27	30	the	the	DET
fis-1950	27	31	service	service	NOUN
fis-1950	27	32	life	life	NOUN
fis-1950	27	33	of	of	ADP
fis-1950	27	34	hydraulic	hydraulic	ADJ
fis-1950	27	35	dth	dth	ADJ
fis-1950	27	36	hammers	hammer	NOUN
fis-1950	27	37	.	.	PUNCT
fis-1950	28	1	moreover	moreover	ADV
fis-1950	28	2	,	,	PUNCT
fis-1950	28	3	the	the	DET
fis-1950	28	4	abrasion	abrasion	NOUN
fis-1950	28	5	property	property	NOUN
fis-1950	28	6	of	of	ADP
fis-1950	28	7	hydraulic	hydraulic	ADJ
fis-1950	28	8	dth	dth	ADJ
fis-1950	28	9	hammers	hammer	NOUN
fis-1950	28	10	with	with	ADP
fis-1950	28	11	horizontal	horizontal	ADJ
fis-1950	28	12	oriented	orient	VERB
fis-1950	28	13	sliders	slider	NOUN
fis-1950	28	14	should	should	AUX
fis-1950	28	15	be	be	AUX
fis-1950	28	16	intensively	intensively	ADV
fis-1950	28	17	studied	study	VERB
fis-1950	28	18	with	with	ADP
fis-1950	28	19	respect	respect	NOUN
fis-1950	28	20	to	to	ADP
fis-1950	28	21	the	the	DET
fis-1950	28	22	application	application	NOUN
fis-1950	28	23	of	of	ADP
fis-1950	28	24	hydraulic	hydraulic	ADJ
fis-1950	28	25	dth	dth	ADJ
fis-1950	28	26	hammers	hammer	NOUN
fis-1950	28	27	to	to	ADP
fis-1950	28	28	horizontal	horizontal	ADJ
fis-1950	28	29	directional	directional	ADJ
fis-1950	28	30	well	well	INTJ
fis-1950	28	31	drilling	drilling	NOUN
fis-1950	28	32	.	.	PUNCT
fis-1950	29	1	while	while	SCONJ
fis-1950	29	2	in	in	ADP
fis-1950	29	3	horizontal	horizontal	ADJ
fis-1950	29	4	directional	directional	ADJ
fis-1950	29	5	well	well	NOUN
fis-1950	29	6	drilling	drilling	NOUN
fis-1950	29	7	with	with	ADP
fis-1950	29	8	hydraulic	hydraulic	ADJ
fis-1950	29	9	dth	dth	ADJ
fis-1950	29	10	hammers	hammer	NOUN
fis-1950	29	11	,	,	PUNCT
fis-1950	29	12	the	the	DET
fis-1950	29	13	piston	piston	NOUN
fis-1950	29	14	is	be	AUX
fis-1950	29	15	actuated	actuate	VERB
fis-1950	29	16	by	by	ADP
fis-1950	29	17	powered	powered	ADJ
fis-1950	29	18	muds	mud	NOUN
fis-1950	29	19	,	,	PUNCT
fis-1950	29	20	which	which	PRON
fis-1950	29	21	drives	drive	VERB
fis-1950	29	22	the	the	DET
fis-1950	29	23	hammers	hammer	NOUN
fis-1950	29	24	horizontally	horizontally	ADV
fis-1950	29	25	and	and	CCONJ
fis-1950	29	26	reciprocally	reciprocally	ADV
fis-1950	29	27	impact	impact	VERB
fis-1950	29	28	the	the	DET
fis-1950	29	29	drill	drill	NOUN
fis-1950	29	30	bit	bit	NOUN
fis-1950	29	31	.	.	PUNCT
fis-1950	30	1	however	however	ADV
fis-1950	30	2	,	,	PUNCT
fis-1950	30	3	the	the	DET
fis-1950	30	4	service	service	NOUN
fis-1950	30	5	life	life	NOUN
fis-1950	30	6	of	of	ADP
fis-1950	30	7	hydraulic	hydraulic	ADJ
fis-1950	30	8	dth	dth	ADJ
fis-1950	30	9	hammers	hammer	NOUN
fis-1950	30	10	is	be	AUX
fis-1950	30	11	unsatisfactory	unsatisfactory	ADJ
fis-1950	30	12	due	due	ADP
fis-1950	30	13	to	to	ADP
fis-1950	30	14	the	the	DET
fis-1950	30	15	reciprocating	reciprocate	VERB
fis-1950	30	16	motion	motion	NOUN
fis-1950	30	17	of	of	ADP
fis-1950	30	18	anvil	anvil	NOUN
fis-1950	30	19	with	with	ADP
fis-1950	30	20	high	high	ADJ
fis-1950	30	21	frequency	frequency	NOUN
fis-1950	30	22	,	,	PUNCT
fis-1950	30	23	which	which	PRON
fis-1950	30	24	deteriorates	deteriorate	VERB
fis-1950	30	25	the	the	DET
fis-1950	30	26	performance	performance	NOUN
fis-1950	30	27	of	of	ADP
fis-1950	30	28	hydraulic	hydraulic	ADJ
fis-1950	30	29	dth	dth	ADJ
fis-1950	30	30	hammers	hammer	NOUN
fis-1950	30	31	in	in	ADP
fis-1950	30	32	horizontal	horizontal	ADJ
fis-1950	30	33	directional	directional	ADJ
fis-1950	30	34	oil	oil	NOUN
fis-1950	30	35	-	-	PUNCT
fis-1950	30	36	gas	gas	NOUN
fis-1950	30	37	well	well	NOUN
fis-1950	30	38	drilling	drill	VERB
fis-1950	30	39	[	[	X
fis-1950	30	40	8	8	NUM
fis-1950	30	41	]	]	PUNCT
fis-1950	30	42	.	.	PUNCT
fis-1950	31	1	in	in	ADP
fis-1950	31	2	order	order	NOUN
fis-1950	31	3	to	to	PART
fis-1950	31	4	improve	improve	VERB
fis-1950	31	5	the	the	DET
fis-1950	31	6	service	service	NOUN
fis-1950	31	7	life	life	NOUN
fis-1950	31	8	of	of	ADP
fis-1950	31	9	hydraulic	hydraulic	ADJ
fis-1950	31	10	dth	dth	ADJ
fis-1950	31	11	hammers	hammer	NOUN
fis-1950	31	12	in	in	ADP
fis-1950	31	13	horizontal	horizontal	ADJ
fis-1950	31	14	directional	directional	ADJ
fis-1950	31	15	well	well	PROPN
fis-1950	31	16	drilling	drilling	NOUN
fis-1950	31	17	,	,	PUNCT
fis-1950	31	18	a	a	DET
fis-1950	31	19	specialized	specialized	ADJ
fis-1950	31	20	anvil	anvil	NOUN
fis-1950	31	21	with	with	ADP
fis-1950	31	22	horizontal	horizontal	ADJ
fis-1950	31	23	oriented	orient	VERB
fis-1950	31	24	sliders	slider	NOUN
fis-1950	31	25	has	have	AUX
fis-1950	31	26	been	be	AUX
fis-1950	31	27	designed	design	VERB
fis-1950	31	28	,	,	PUNCT
fis-1950	31	29	as	as	SCONJ
fis-1950	31	30	shown	show	VERB
fis-1950	31	31	in	in	ADP
fis-1950	31	32	fig	fig	NOUN
fis-1950	31	33	.	.	PUNCT
fis-1950	32	1	1	1	X
fis-1950	32	2	.	.	PUNCT
fis-1950	32	3	the	the	DET
fis-1950	32	4	material	material	NOUN
fis-1950	32	5	of	of	ADP
fis-1950	32	6	slider	slider	NOUN
fis-1950	32	7	has	have	AUX
fis-1950	32	8	been	be	AUX
fis-1950	32	9	optimized	optimize	VERB
fis-1950	32	10	,	,	PUNCT
fis-1950	32	11	and	and	CCONJ
fis-1950	32	12	totally	totally	ADV
fis-1950	32	13	6	6	NUM
fis-1950	32	14	sliders	slider	NOUN
fis-1950	32	15	are	be	AUX
fis-1950	32	16	embedded	embed	VERB
fis-1950	32	17	into	into	ADP
fis-1950	32	18	the	the	DET
fis-1950	32	19	anvil	anvil	NOUN
fis-1950	32	20	,	,	PUNCT
fis-1950	32	21	which	which	PRON
fis-1950	32	22	contributes	contribute	VERB
fis-1950	32	23	to	to	ADP
fis-1950	32	24	reducing	reduce	VERB
fis-1950	32	25	the	the	DET
fis-1950	32	26	abrasion	abrasion	NOUN
fis-1950	32	27	of	of	ADP
fis-1950	32	28	hydraulic	hydraulic	ADJ
fis-1950	32	29	dth	dth	ADJ
fis-1950	32	30	hammer	hammer	NOUN
fis-1950	32	31	.	.	PUNCT
fis-1950	33	1	furthermore	furthermore	ADV
fis-1950	33	2	,	,	PUNCT
fis-1950	33	3	the	the	DET
fis-1950	33	4	abrasion	abrasion	NOUN
fis-1950	33	5	property	property	NOUN
fis-1950	33	6	of	of	ADP
fis-1950	33	7	horizontal	horizontal	ADJ
fis-1950	33	8	oriented	orient	VERB
fis-1950	33	9	slider	slider	NOUN
fis-1950	33	10	has	have	AUX
fis-1950	33	11	numerically	numerically	ADV
fis-1950	33	12	analyzed	analyze	VERB
fis-1950	33	13	by	by	ADP
fis-1950	33	14	finite	finite	ADJ
fis-1950	33	15	element	element	NOUN
fis-1950	33	16	analysis	analysis	NOUN
fis-1950	33	17	,	,	PUNCT
fis-1950	33	18	which	which	PRON
fis-1950	33	19	indicates	indicate	VERB
fis-1950	33	20	the	the	DET
fis-1950	33	21	design	design	NOUN
fis-1950	33	22	and	and	CCONJ
fis-1950	33	23	optimization	optimization	NOUN
fis-1950	33	24	of	of	ADP
fis-1950	33	25	hydraulic	hydraulic	ADJ
fis-1950	33	26	hammers	hammer	NOUN
fis-1950	33	27	in	in	ADP
fis-1950	33	28	horizontal	horizontal	ADJ
fis-1950	33	29	directional	directional	ADJ
fis-1950	33	30	well	well	INTJ
fis-1950	33	31	drilling	drilling	NOUN
fis-1950	33	32	.	.	PUNCT
fis-1950	34	1	figure	figure	NOUN
fis-1950	34	2	1	1	NUM
fis-1950	34	3	:	:	PUNCT
fis-1950	34	4	structure	structure	NOUN
fis-1950	34	5	of	of	ADP
fis-1950	34	6	hydraulic	hydraulic	ADJ
fis-1950	34	7	dth	dth	ADJ
fis-1950	34	8	hammers	hammer	NOUN
fis-1950	34	9	with	with	ADP
fis-1950	34	10	horizontal	horizontal	ADJ
fis-1950	34	11	oriented	orient	VERB
fis-1950	34	12	slider	slider	NOUN
fis-1950	34	13	.	.	PUNCT
fis-1950	35	1	in	in	ADP
fis-1950	35	2	previous	previous	ADJ
fis-1950	35	3	studies	study	NOUN
fis-1950	35	4	,	,	PUNCT
fis-1950	35	5	the	the	DET
fis-1950	35	6	service	service	NOUN
fis-1950	35	7	life	life	NOUN
fis-1950	35	8	of	of	ADP
fis-1950	35	9	a	a	DET
fis-1950	35	10	hydraulic	hydraulic	ADJ
fis-1950	35	11	dth	dth	ADJ
fis-1950	35	12	hammer	hammer	NOUN
fis-1950	35	13	has	have	AUX
fis-1950	35	14	been	be	AUX
fis-1950	35	15	analyzed	analyze	VERB
fis-1950	35	16	by	by	ADP
fis-1950	35	17	drilling	drill	VERB
fis-1950	35	18	crews	crew	NOUN
fis-1950	35	19	and	and	CCONJ
fis-1950	35	20	researchers	researcher	NOUN
fis-1950	35	21	while	while	SCONJ
fis-1950	35	22	in	in	ADP
fis-1950	35	23	vertical	vertical	ADJ
fis-1950	35	24	or	or	CCONJ
fis-1950	35	25	up	up	ADP
fis-1950	35	26	-	-	PUNCT
fis-1950	35	27	down	down	ADP
fis-1950	35	28	drilling	drilling	NOUN
fis-1950	35	29	.	.	PUNCT
fis-1950	36	1	c.w	c.w	PROPN
fis-1950	36	2	.	.	PROPN
fis-1950	36	3	li	li	PROPN
fis-1950	36	4	has	have	AUX
fis-1950	36	5	analyzed	analyze	VERB
fis-1950	36	6	the	the	DET
fis-1950	36	7	effect	effect	NOUN
fis-1950	36	8	of	of	ADP
fis-1950	36	9	material	material	ADJ
fis-1950	36	10	property	property	NOUN
fis-1950	36	11	of	of	ADP
fis-1950	36	12	hydraulic	hydraulic	ADJ
fis-1950	36	13	hammer	hammer	NOUN
fis-1950	36	14	on	on	ADP
fis-1950	36	15	its	its	PRON
fis-1950	36	16	service	service	NOUN
fis-1950	36	17	life	life	NOUN
fis-1950	36	18	time	time	NOUN
fis-1950	36	19	in	in	ADP
fis-1950	36	20	2002	2002	NUM
fis-1950	36	21	,	,	PUNCT
fis-1950	36	22	and	and	CCONJ
fis-1950	36	23	numerical	numerical	ADJ
fis-1950	36	24	models	model	NOUN
fis-1950	36	25	of	of	ADP
fis-1950	36	26	damage	damage	NOUN
fis-1950	36	27	mechanism	mechanism	NOUN
fis-1950	36	28	are	be	AUX
fis-1950	36	29	established	establish	VERB
fis-1950	36	30	[	[	PUNCT
fis-1950	36	31	9	9	NUM
fis-1950	36	32	]	]	PUNCT
fis-1950	36	33	.	.	PUNCT
fis-1950	37	1	ding	de	VERB
fis-1950	37	2	daipo	daipo	NOUN
fis-1950	37	3	has	have	AUX
fis-1950	37	4	improved	improve	VERB
fis-1950	37	5	the	the	DET
fis-1950	37	6	service	service	NOUN
fis-1950	37	7	life	life	NOUN
fis-1950	37	8	of	of	ADP
fis-1950	37	9	hydraulic	hydraulic	ADJ
fis-1950	37	10	dth	dth	ADJ
fis-1950	37	11	hammers	hammer	NOUN
fis-1950	37	12	up	up	ADP
fis-1950	37	13	to	to	ADP
fis-1950	37	14	120h	120h	NUM
fis-1950	37	15	while	while	SCONJ
fis-1950	37	16	in	in	SCONJ
fis-1950	37	17	oil	oil	NOUN
fis-1950	37	18	-	-	PUNCT
fis-1950	37	19	gas	gas	NOUN
fis-1950	37	20	well	well	NOUN
fis-1950	37	21	drilling	drill	VERB
fis-1950	37	22	[	[	X
fis-1950	37	23	10	10	NUM
fis-1950	37	24	]	]	PUNCT
fis-1950	37	25	.	.	PUNCT
fis-1950	38	1	meanwhile	meanwhile	ADV
fis-1950	38	2	,	,	PUNCT
fis-1950	38	3	series	series	NOUN
fis-1950	38	4	of	of	ADP
fis-1950	38	5	experiments	experiment	NOUN
fis-1950	38	6	on	on	ADP
fis-1950	38	7	abrasion	abrasion	NOUN
fis-1950	38	8	property	property	NOUN
fis-1950	38	9	of	of	ADP
fis-1950	38	10	hydraulic	hydraulic	ADJ
fis-1950	38	11	dth	dth	ADJ
fis-1950	38	12	hammers	hammer	NOUN
fis-1950	38	13	in	in	ADP
fis-1950	38	14	vertical	vertical	ADJ
fis-1950	38	15	well	well	NOUN
fis-1950	38	16	drilling	drilling	NOUN
fis-1950	38	17	have	have	AUX
fis-1950	38	18	been	be	AUX
fis-1950	38	19	conducted	conduct	VERB
fis-1950	38	20	by	by	ADP
fis-1950	38	21	he	he	PRON
fis-1950	38	22	liu	liu	PROPN
fis-1950	38	23	in	in	ADP
fis-1950	38	24	2014	2014	NUM
fis-1950	38	25	on	on	ADP
fis-1950	38	26	the	the	DET
fis-1950	38	27	basis	basis	NOUN
fis-1950	38	28	of	of	ADP
fis-1950	38	29	finite	finite	ADJ
fis-1950	38	30	element	element	NOUN
fis-1950	38	31	analysis	analysis	NOUN
fis-1950	38	32	(	(	PUNCT
fis-1950	38	33	fea	fea	NOUN
fis-1950	38	34	)	)	PUNCT
fis-1950	38	35	,	,	PUNCT
fis-1950	38	36	which	which	PRON
fis-1950	38	37	numerically	numerically	ADV
fis-1950	38	38	and	and	CCONJ
fis-1950	38	39	practically	practically	ADV
fis-1950	38	40	contributes	contribute	VERB
fis-1950	38	41	to	to	ADP
fis-1950	38	42	improving	improve	VERB
fis-1950	38	43	the	the	DET
fis-1950	38	44	service	service	NOUN
fis-1950	38	45	life	life	NOUN
fis-1950	38	46	of	of	ADP
fis-1950	38	47	hydraulic	hydraulic	ADJ
fis-1950	38	48	dth	dth	ADJ
fis-1950	38	49	hammers	hammer	NOUN
fis-1950	38	50	[	[	X
fis-1950	38	51	4	4	NUM
fis-1950	38	52	]	]	PUNCT
fis-1950	38	53	.	.	PUNCT
fis-1950	39	1	in	in	ADP
fis-1950	39	2	addition	addition	NOUN
fis-1950	39	3	,	,	PUNCT
fis-1950	39	4	the	the	DET
fis-1950	39	5	abrasion	abrasion	NOUN
fis-1950	39	6	process	process	NOUN
fis-1950	39	7	of	of	ADP
fis-1950	39	8	abrasive	abrasive	ADJ
fis-1950	39	9	particle	particle	NOUN
fis-1950	39	10	is	be	AUX
fis-1950	39	11	numerically	numerically	ADV
fis-1950	39	12	analyzed	analyze	VERB
fis-1950	39	13	by	by	ADP
fis-1950	39	14	wu	wu	PROPN
fis-1950	39	15	jinghua	jinghua	PROPN
fis-1950	39	16	et	et	PROPN
fis-1950	39	17	al	al	PROPN
fis-1950	39	18	.	.	PROPN
fis-1950	39	19	,	,	PUNCT
fis-1950	39	20	which	which	PRON
fis-1950	39	21	could	could	AUX
fis-1950	39	22	theoretically	theoretically	ADV
fis-1950	39	23	illustrate	illustrate	VERB
fis-1950	39	24	the	the	DET
fis-1950	39	25	behavior	behavior	NOUN
fis-1950	39	26	of	of	ADP
fis-1950	39	27	abrasive	abrasive	ADJ
fis-1950	39	28	impacting	impact	VERB
fis-1950	39	29	[	[	X
fis-1950	39	30	11	11	NUM
fis-1950	39	31	]	]	PUNCT
fis-1950	39	32	.	.	PUNCT
fis-1950	40	1	furthermore	furthermore	ADV
fis-1950	40	2	,	,	PUNCT
fis-1950	40	3	li	li	PROPN
fis-1950	40	4	weitao	weitao	PROPN
fis-1950	40	5	has	have	AUX
fis-1950	40	6	optimized	optimize	VERB
fis-1950	40	7	the	the	DET
fis-1950	40	8	hydraulic	hydraulic	ADJ
fis-1950	40	9	dth	dth	ADJ
fis-1950	40	10	hammer	hammer	NOUN
fis-1950	40	11	by	by	ADP
fis-1950	40	12	numerical	numerical	ADJ
fis-1950	40	13	analysis	analysis	NOUN
fis-1950	40	14	on	on	ADP
fis-1950	40	15	the	the	DET
fis-1950	40	16	fluidic	fluidic	ADJ
fis-1950	40	17	amplifier	amplifier	NOUN
fis-1950	40	18	in	in	ADP
fis-1950	40	19	order	order	NOUN
fis-1950	40	20	to	to	PART
fis-1950	40	21	improve	improve	VERB
fis-1950	40	22	the	the	DET
fis-1950	40	23	service	service	NOUN
fis-1950	40	24	life	life	NOUN
fis-1950	40	25	of	of	ADP
fis-1950	40	26	hydraulic	hydraulic	ADJ
fis-1950	40	27	dth	dth	ADJ
fis-1950	40	28	hammers	hammer	NOUN
fis-1950	40	29	[	[	X
fis-1950	40	30	10	10	NUM
fis-1950	40	31	]	]	PUNCT
fis-1950	40	32	.	.	PUNCT
fis-1950	41	1	some	some	DET
fis-1950	41	2	other	other	ADJ
fis-1950	41	3	related	related	ADJ
fis-1950	41	4	work	work	NOUN
fis-1950	41	5	has	have	AUX
fis-1950	41	6	been	be	AUX
fis-1950	41	7	finished	finish	VERB
fis-1950	41	8	with	with	ADP
fis-1950	41	9	different	different	ADJ
fis-1950	41	10	experiments	experiment	NOUN
fis-1950	41	11	and	and	CCONJ
fis-1950	41	12	apparatus	apparatus	NOUN
fis-1950	41	13	in	in	ADP
fis-1950	41	14	order	order	NOUN
fis-1950	41	15	to	to	PART
fis-1950	41	16	improve	improve	VERB
fis-1950	41	17	the	the	DET
fis-1950	41	18	service	service	NOUN
fis-1950	41	19	life	life	NOUN
fis-1950	41	20	of	of	ADP
fis-1950	41	21	hydraulic	hydraulic	ADJ
fis-1950	41	22	hammers	hammer	NOUN
fis-1950	41	23	in	in	ADP
fis-1950	41	24	various	various	ADJ
fis-1950	41	25	drilling	drilling	NOUN
fis-1950	41	26	conditions	condition	NOUN
fis-1950	41	27	[	[	X
fis-1950	41	28	13	13	NUM
fis-1950	41	29	,	,	PUNCT
fis-1950	41	30	14	14	NUM
fis-1950	41	31	]	]	PUNCT
fis-1950	41	32	.	.	PUNCT
fis-1950	42	1	j.-f	j.-f	NOUN
fis-1950	42	2	.	.	PUNCT
fis-1950	43	1	he	he	PRON
fis-1950	43	2	et	et	PROPN
fis-1950	43	3	alii	alii	PROPN
fis-1950	43	4	,	,	PUNCT
fis-1950	43	5	frattura	frattura	PROPN
fis-1950	43	6	ed	ed	PROPN
fis-1950	43	7	integrità	integrità	PROPN
fis-1950	43	8	strutturale	strutturale	PROPN
fis-1950	43	9	,	,	PUNCT
fis-1950	43	10	42	42	NUM
fis-1950	43	11	(	(	PUNCT
fis-1950	43	12	2017	2017	NUM
fis-1950	43	13	)	)	PUNCT
fis-1950	43	14	263	263	NUM
fis-1950	43	15	-	-	SYM
fis-1950	43	16	271	271	NUM
fis-1950	43	17	;	;	PUNCT
fis-1950	43	18	doi	doi	NOUN
fis-1950	43	19	:	:	PUNCT
fis-1950	43	20	10.3221	10.3221	NUM
fis-1950	43	21	/	/	SYM
fis-1950	43	22	igf	igf	PROPN
fis-1950	43	23	-	-	PROPN
fis-1950	43	24	esis.42.28	esis.42.28	PROPN
fis-1950	43	25	265	265	NUM
fis-1950	43	26	however	however	ADV
fis-1950	43	27	,	,	PUNCT
fis-1950	43	28	there	there	PRON
fis-1950	43	29	are	be	VERB
fis-1950	43	30	no	no	DET
fis-1950	43	31	corresponding	corresponding	ADJ
fis-1950	43	32	researches	research	NOUN
fis-1950	43	33	on	on	ADP
fis-1950	43	34	the	the	DET
fis-1950	43	35	improvement	improvement	NOUN
fis-1950	43	36	of	of	ADP
fis-1950	43	37	service	service	NOUN
fis-1950	43	38	life	life	NOUN
fis-1950	43	39	of	of	ADP
fis-1950	43	40	hydraulic	hydraulic	ADJ
fis-1950	43	41	dth	dth	ADJ
fis-1950	43	42	hammer	hammer	NOUN
fis-1950	43	43	in	in	ADP
fis-1950	43	44	horizontal	horizontal	ADJ
fis-1950	43	45	directional	directional	ADJ
fis-1950	43	46	well	well	NOUN
fis-1950	43	47	drilling	drilling	NOUN
fis-1950	43	48	since	since	SCONJ
fis-1950	43	49	the	the	DET
fis-1950	43	50	numerical	numerical	ADJ
fis-1950	43	51	modelling	modelling	NOUN
fis-1950	43	52	technique	technique	NOUN
fis-1950	43	53	in	in	ADP
fis-1950	43	54	drilling	drilling	NOUN
fis-1950	43	55	engineering	engineering	NOUN
fis-1950	43	56	has	have	AUX
fis-1950	43	57	been	be	AUX
fis-1950	43	58	popularized	popularize	VERB
fis-1950	43	59	throughout	throughout	ADP
fis-1950	43	60	the	the	DET
fis-1950	43	61	world	world	NOUN
fis-1950	44	1	[	[	X
fis-1950	44	2	15	15	NUM
fis-1950	44	3	]	]	PUNCT
fis-1950	44	4	.	.	PUNCT
fis-1950	45	1	in	in	ADP
fis-1950	45	2	addition	addition	NOUN
fis-1950	45	3	,	,	PUNCT
fis-1950	45	4	no	no	DET
fis-1950	45	5	new	new	ADJ
fis-1950	45	6	type	type	NOUN
fis-1950	45	7	of	of	ADP
fis-1950	45	8	hydraulic	hydraulic	ADJ
fis-1950	45	9	hammer	hammer	NOUN
fis-1950	45	10	with	with	ADP
fis-1950	45	11	anti	anti	ADJ
fis-1950	45	12	-	-	ADJ
fis-1950	45	13	abrasive	abrasive	ADJ
fis-1950	45	14	slider	slider	NOUN
fis-1950	45	15	has	have	AUX
fis-1950	45	16	been	be	AUX
fis-1950	45	17	existed	exist	VERB
fis-1950	45	18	in	in	ADP
fis-1950	45	19	horizontal	horizontal	ADJ
fis-1950	45	20	directional	directional	ADJ
fis-1950	45	21	well	well	NOUN
fis-1950	45	22	drilling	drilling	NOUN
fis-1950	45	23	or	or	CCONJ
fis-1950	45	24	trenchless	trenchless	NOUN
fis-1950	45	25	drilling	drilling	NOUN
fis-1950	45	26	.	.	PUNCT
fis-1950	46	1	thus	thus	ADV
fis-1950	46	2	,	,	PUNCT
fis-1950	46	3	the	the	DET
fis-1950	46	4	research	research	NOUN
fis-1950	46	5	on	on	ADP
fis-1950	46	6	anti	anti	ADJ
fis-1950	46	7	-	-	ADJ
fis-1950	46	8	abrasive	abrasive	ADJ
fis-1950	46	9	property	property	NOUN
fis-1950	46	10	of	of	ADP
fis-1950	46	11	hydraulic	hydraulic	ADJ
fis-1950	46	12	dth	dth	ADJ
fis-1950	46	13	hammers	hammer	NOUN
fis-1950	46	14	should	should	AUX
fis-1950	46	15	be	be	AUX
fis-1950	46	16	conducted	conduct	VERB
fis-1950	46	17	in	in	ADP
fis-1950	46	18	order	order	NOUN
fis-1950	46	19	to	to	PART
fis-1950	46	20	improve	improve	VERB
fis-1950	46	21	the	the	DET
fis-1950	46	22	service	service	NOUN
fis-1950	46	23	life	life	NOUN
fis-1950	46	24	of	of	ADP
fis-1950	46	25	hydraulic	hydraulic	ADJ
fis-1950	46	26	hammers	hammer	NOUN
fis-1950	46	27	while	while	SCONJ
fis-1950	46	28	in	in	ADP
fis-1950	46	29	horizontal	horizontal	ADJ
fis-1950	46	30	directional	directional	ADJ
fis-1950	46	31	well	well	INTJ
fis-1950	46	32	drilling	drilling	NOUN
fis-1950	46	33	.	.	PUNCT
fis-1950	47	1	the	the	DET
fis-1950	47	2	study	study	NOUN
fis-1950	47	3	of	of	ADP
fis-1950	47	4	hydraulic	hydraulic	ADJ
fis-1950	47	5	dth	dth	ADJ
fis-1950	47	6	hammers	hammer	NOUN
fis-1950	47	7	on	on	ADP
fis-1950	47	8	the	the	DET
fis-1950	47	9	abrasion	abrasion	NOUN
fis-1950	47	10	property	property	NOUN
fis-1950	47	11	of	of	ADP
fis-1950	47	12	a	a	DET
fis-1950	47	13	horizontal	horizontal	ADJ
fis-1950	47	14	oriented	orient	VERB
fis-1950	47	15	slider	slider	NOUN
fis-1950	47	16	is	be	AUX
fis-1950	47	17	an	an	DET
fis-1950	47	18	efficient	efficient	ADJ
fis-1950	47	19	way	way	NOUN
fis-1950	47	20	to	to	PART
fis-1950	47	21	improve	improve	VERB
fis-1950	47	22	the	the	DET
fis-1950	47	23	service	service	NOUN
fis-1950	47	24	life	life	NOUN
fis-1950	47	25	time	time	NOUN
fis-1950	47	26	of	of	ADP
fis-1950	47	27	hydraulic	hydraulic	ADJ
fis-1950	47	28	hammers	hammer	NOUN
fis-1950	47	29	,	,	PUNCT
fis-1950	47	30	including	include	VERB
fis-1950	47	31	numerical	numerical	ADJ
fis-1950	47	32	simulation	simulation	NOUN
fis-1950	47	33	and	and	CCONJ
fis-1950	47	34	experimental	experimental	ADJ
fis-1950	47	35	analysis	analysis	NOUN
fis-1950	47	36	.	.	PUNCT
fis-1950	48	1	in	in	ADP
fis-1950	48	2	this	this	DET
fis-1950	48	3	paper	paper	NOUN
fis-1950	48	4	,	,	PUNCT
fis-1950	48	5	numerical	numerical	ADJ
fis-1950	48	6	models	model	NOUN
fis-1950	48	7	of	of	ADP
fis-1950	48	8	the	the	DET
fis-1950	48	9	anvil	anvil	NOUN
fis-1950	48	10	inside	inside	ADP
fis-1950	48	11	hydraulic	hydraulic	ADJ
fis-1950	48	12	dth	dth	ADJ
fis-1950	48	13	hammers	hammer	NOUN
fis-1950	48	14	have	have	AUX
fis-1950	48	15	been	be	AUX
fis-1950	48	16	developed	develop	VERB
fis-1950	48	17	with	with	ADP
fis-1950	48	18	several	several	ADJ
fis-1950	48	19	groups	group	NOUN
fis-1950	48	20	of	of	ADP
fis-1950	48	21	oriented	orient	VERB
fis-1950	48	22	sliders	slider	NOUN
fis-1950	48	23	,	,	PUNCT
fis-1950	48	24	and	and	CCONJ
fis-1950	48	25	different	different	ADJ
fis-1950	48	26	friction	friction	NOUN
fis-1950	48	27	coefficients	coefficient	NOUN
fis-1950	48	28	(	(	PUNCT
fis-1950	48	29	different	different	ADJ
fis-1950	48	30	material	material	NOUN
fis-1950	48	31	of	of	ADP
fis-1950	48	32	oriented	orient	VERB
fis-1950	48	33	slider	slider	NOUN
fis-1950	48	34	)	)	PUNCT
fis-1950	48	35	of	of	ADP
fis-1950	48	36	horizontal	horizontal	ADJ
fis-1950	48	37	oriented	orient	VERB
fis-1950	48	38	sliders	slider	NOUN
fis-1950	48	39	,	,	PUNCT
fis-1950	48	40	various	various	ADJ
fis-1950	48	41	mass	mass	NOUN
fis-1950	48	42	and	and	CCONJ
fis-1950	48	43	moving	move	VERB
fis-1950	48	44	velocity	velocity	NOUN
fis-1950	48	45	of	of	ADP
fis-1950	48	46	the	the	DET
fis-1950	48	47	anvil	anvil	NOUN
fis-1950	48	48	have	have	AUX
fis-1950	48	49	been	be	AUX
fis-1950	48	50	denoted	denote	VERB
fis-1950	48	51	as	as	ADP
fis-1950	48	52	the	the	DET
fis-1950	48	53	variables	variable	NOUN
fis-1950	48	54	in	in	ADP
fis-1950	48	55	fea	fea	PROPN
fis-1950	48	56	simulation	simulation	NOUN
fis-1950	48	57	.	.	PUNCT
fis-1950	49	1	in	in	ADP
fis-1950	49	2	end	end	NOUN
fis-1950	49	3	,	,	PUNCT
fis-1950	49	4	the	the	DET
fis-1950	49	5	abrasion	abrasion	NOUN
fis-1950	49	6	rate	rate	NOUN
fis-1950	49	7	of	of	ADP
fis-1950	49	8	oriented	orient	VERB
fis-1950	49	9	slider	slider	NOUN
fis-1950	49	10	in	in	ADP
fis-1950	49	11	hydraulic	hydraulic	ADJ
fis-1950	49	12	hammers	hammer	NOUN
fis-1950	49	13	has	have	AUX
fis-1950	49	14	been	be	AUX
fis-1950	49	15	obtained	obtain	VERB
fis-1950	49	16	by	by	ADP
fis-1950	49	17	fea	fea	PROPN
fis-1950	49	18	,	,	PUNCT
fis-1950	49	19	which	which	PRON
fis-1950	49	20	promotes	promote	VERB
fis-1950	49	21	the	the	DET
fis-1950	49	22	improvement	improvement	NOUN
fis-1950	49	23	of	of	ADP
fis-1950	49	24	service	service	NOUN
fis-1950	49	25	life	life	NOUN
fis-1950	49	26	time	time	NOUN
fis-1950	49	27	of	of	ADP
fis-1950	49	28	hydraulic	hydraulic	ADJ
fis-1950	49	29	hammers	hammer	NOUN
fis-1950	49	30	with	with	ADP
fis-1950	49	31	a	a	DET
fis-1950	49	32	horizontal	horizontal	ADJ
fis-1950	49	33	oriented	orient	VERB
fis-1950	49	34	slider	slider	NOUN
fis-1950	49	35	while	while	SCONJ
fis-1950	49	36	in	in	ADP
fis-1950	49	37	directional	directional	ADJ
fis-1950	49	38	well	well	ADJ
fis-1950	49	39	drilling	drilling	NOUN
fis-1950	49	40	.	.	PUNCT
fis-1950	50	1	methodology	methodology	NOUN
fis-1950	50	2	and	and	CCONJ
fis-1950	50	3	abrasion	abrasion	NOUN
fis-1950	50	4	theory	theory	NOUN
fis-1950	50	5	nlike	nlike	PROPN
fis-1950	50	6	vertical	vertical	ADJ
fis-1950	50	7	well	well	INTJ
fis-1950	50	8	drilling	drilling	NOUN
fis-1950	50	9	or	or	CCONJ
fis-1950	50	10	up	up	ADP
fis-1950	50	11	-	-	PUNCT
fis-1950	50	12	down	down	ADP
fis-1950	50	13	well	well	NOUN
fis-1950	50	14	drilling	drilling	NOUN
fis-1950	50	15	,	,	PUNCT
fis-1950	50	16	the	the	DET
fis-1950	50	17	working	work	VERB
fis-1950	50	18	principle	principle	NOUN
fis-1950	50	19	of	of	ADP
fis-1950	50	20	hydraulic	hydraulic	ADJ
fis-1950	50	21	dth	dth	ADJ
fis-1950	50	22	hammers	hammer	NOUN
fis-1950	50	23	with	with	ADP
fis-1950	50	24	oriented	orient	VERB
fis-1950	50	25	sliders	slider	NOUN
fis-1950	50	26	in	in	ADP
fis-1950	50	27	horizontal	horizontal	ADJ
fis-1950	50	28	directional	directional	ADJ
fis-1950	50	29	well	well	ADJ
fis-1950	50	30	drilling	drilling	NOUN
fis-1950	50	31	is	be	AUX
fis-1950	50	32	distinguished	distinguish	VERB
fis-1950	50	33	.	.	PUNCT
fis-1950	51	1	meanwhile	meanwhile	ADV
fis-1950	51	2	,	,	PUNCT
fis-1950	51	3	the	the	DET
fis-1950	51	4	abrasion	abrasion	NOUN
fis-1950	51	5	theory	theory	NOUN
fis-1950	51	6	of	of	ADP
fis-1950	51	7	oriented	orient	VERB
fis-1950	51	8	sliders	slider	NOUN
fis-1950	51	9	has	have	AUX
fis-1950	51	10	also	also	ADV
fis-1950	51	11	been	be	AUX
fis-1950	51	12	presented	present	VERB
fis-1950	51	13	.	.	PUNCT
fis-1950	52	1	working	work	VERB
fis-1950	52	2	principle	principle	NOUN
fis-1950	52	3	of	of	ADP
fis-1950	52	4	hydraulic	hydraulic	ADJ
fis-1950	52	5	hammers	hammer	NOUN
fis-1950	52	6	with	with	ADP
fis-1950	52	7	horizontal	horizontal	ADJ
fis-1950	52	8	oriented	orient	VERB
fis-1950	52	9	slider	slider	NOUN
fis-1950	52	10	while	while	SCONJ
fis-1950	52	11	drilling	drill	VERB
fis-1950	52	12	a	a	DET
fis-1950	52	13	horizontal	horizontal	ADJ
fis-1950	52	14	directional	directional	ADJ
fis-1950	52	15	well	well	NOUN
fis-1950	52	16	with	with	ADP
fis-1950	52	17	a	a	DET
fis-1950	52	18	hydraulic	hydraulic	ADJ
fis-1950	52	19	dth	dth	ADJ
fis-1950	52	20	hammer	hammer	NOUN
fis-1950	52	21	,	,	PUNCT
fis-1950	52	22	the	the	DET
fis-1950	52	23	operation	operation	NOUN
fis-1950	52	24	principle	principle	NOUN
fis-1950	52	25	of	of	ADP
fis-1950	52	26	the	the	DET
fis-1950	52	27	hydraulic	hydraulic	ADJ
fis-1950	52	28	hammer	hammer	NOUN
fis-1950	52	29	with	with	ADP
fis-1950	52	30	horizontal	horizontal	ADJ
fis-1950	52	31	oriented	orient	VERB
fis-1950	52	32	sliders	slider	NOUN
fis-1950	52	33	is	be	AUX
fis-1950	52	34	shown	show	VERB
fis-1950	52	35	as	as	ADP
fis-1950	52	36	fig	fig	NOUN
fis-1950	52	37	2	2	NUM
fis-1950	52	38	.	.	PUNCT
fis-1950	52	39	figure	figure	NOUN
fis-1950	52	40	2	2	NUM
fis-1950	52	41	:	:	PUNCT
fis-1950	52	42	schematic	schematic	ADJ
fis-1950	52	43	diagram	diagram	NOUN
fis-1950	52	44	of	of	ADP
fis-1950	52	45	a	a	DET
fis-1950	52	46	hydraulic	hydraulic	ADJ
fis-1950	52	47	hammer	hammer	NOUN
fis-1950	52	48	with	with	ADP
fis-1950	52	49	the	the	DET
fis-1950	52	50	horizontal	horizontal	ADJ
fis-1950	52	51	anvil	anvil	NOUN
fis-1950	52	52	.	.	PUNCT
fis-1950	53	1	c	c	X
fis-1950	53	2	,	,	PUNCT
fis-1950	53	3	e	e	NOUN
fis-1950	53	4	:	:	PUNCT
fis-1950	53	5	discharge	discharge	VERB
fis-1950	53	6	channel	channel	NOUN
fis-1950	53	7	;	;	PUNCT
fis-1950	53	8	d	d	X
fis-1950	53	9	,	,	PUNCT
fis-1950	53	10	f	f	PROPN
fis-1950	53	11	:	:	PUNCT
fis-1950	53	12	controlled	control	VERB
fis-1950	53	13	flow	flow	NOUN
fis-1950	53	14	channel	channel	NOUN
fis-1950	53	15	the	the	DET
fis-1950	53	16	pumped	pump	VERB
fis-1950	53	17	mud	mud	NOUN
fis-1950	53	18	with	with	ADP
fis-1950	53	19	high	high	ADJ
fis-1950	53	20	pressure	pressure	NOUN
fis-1950	53	21	and	and	CCONJ
fis-1950	53	22	velocity	velocity	NOUN
fis-1950	53	23	was	be	AUX
fis-1950	53	24	initially	initially	ADV
fis-1950	53	25	delivered	deliver	VERB
fis-1950	53	26	to	to	ADP
fis-1950	53	27	the	the	DET
fis-1950	53	28	nozzle	nozzle	NOUN
fis-1950	53	29	through	through	ADP
fis-1950	53	30	the	the	DET
fis-1950	53	31	drilling	drilling	NOUN
fis-1950	53	32	pipe	pipe	NOUN
fis-1950	53	33	,	,	PUNCT
fis-1950	53	34	which	which	PRON
fis-1950	53	35	is	be	AUX
fis-1950	53	36	termed	term	VERB
fis-1950	53	37	as	as	ADP
fis-1950	53	38	the	the	DET
fis-1950	53	39	pressure	pressure	NOUN
fis-1950	53	40	inlet	inlet	NOUN
fis-1950	53	41	.	.	PUNCT
fis-1950	54	1	then	then	ADV
fis-1950	54	2	the	the	DET
fis-1950	54	3	mud	mud	NOUN
fis-1950	54	4	is	be	AUX
fis-1950	54	5	sprayed	spray	VERB
fis-1950	54	6	by	by	ADP
fis-1950	54	7	the	the	DET
fis-1950	54	8	nozzle	nozzle	NOUN
fis-1950	54	9	to	to	PART
fis-1950	54	10	generate	generate	VERB
fis-1950	54	11	a	a	DET
fis-1950	54	12	wall	wall	NOUN
fis-1950	54	13	-	-	PUNCT
fis-1950	54	14	attachment	attachment	NOUN
fis-1950	54	15	effect	effect	NOUN
fis-1950	54	16	with	with	ADP
fis-1950	54	17	high	high	ADJ
fis-1950	54	18	mud	mud	NOUN
fis-1950	54	19	speed	speed	NOUN
fis-1950	54	20	.	.	PUNCT
fis-1950	55	1	it	it	PRON
fis-1950	55	2	has	have	AUX
fis-1950	55	3	been	be	AUX
fis-1950	55	4	provided	provide	VERB
fis-1950	55	5	that	that	SCONJ
fis-1950	55	6	the	the	DET
fis-1950	55	7	mud	mud	NOUN
fis-1950	55	8	is	be	AUX
fis-1950	55	9	attached	attach	VERB
fis-1950	55	10	to	to	ADP
fis-1950	55	11	the	the	DET
fis-1950	55	12	back	back	NOUN
fis-1950	55	13	chamber	chamber	NOUN
fis-1950	55	14	(	(	PUNCT
fis-1950	55	15	as	as	SCONJ
fis-1950	55	16	shown	show	VERB
fis-1950	55	17	in	in	ADP
fis-1950	55	18	yellow	yellow	ADJ
fis-1950	55	19	pipe	pipe	NOUN
fis-1950	55	20	line	line	NOUN
fis-1950	55	21	)	)	PUNCT
fis-1950	55	22	,	,	PUNCT
fis-1950	55	23	thus	thus	ADV
fis-1950	55	24	the	the	DET
fis-1950	55	25	piston	piston	NOUN
fis-1950	55	26	then	then	ADV
fis-1950	55	27	is	be	AUX
fis-1950	55	28	actuated	actuate	VERB
fis-1950	55	29	by	by	ADP
fis-1950	55	30	high	high	ADJ
fis-1950	55	31	pressure	pressure	NOUN
fis-1950	55	32	mud	mud	NOUN
fis-1950	55	33	to	to	PART
fis-1950	55	34	horizontally	horizontally	ADV
fis-1950	55	35	impact	impact	VERB
fis-1950	55	36	the	the	DET
fis-1950	55	37	drill	drill	NOUN
fis-1950	55	38	bit	bit	NOUN
fis-1950	55	39	.	.	PUNCT
fis-1950	56	1	in	in	ADP
fis-1950	56	2	the	the	DET
fis-1950	56	3	meantime	meantime	NOUN
fis-1950	56	4	,	,	PUNCT
fis-1950	56	5	the	the	DET
fis-1950	56	6	controlled	control	VERB
fis-1950	56	7	channel	channel	NOUN
fis-1950	56	8	f	f	PROPN
fis-1950	56	9	is	be	AUX
fis-1950	56	10	stimulated	stimulate	VERB
fis-1950	56	11	by	by	ADP
fis-1950	56	12	a	a	DET
fis-1950	56	13	pressure	pressure	NOUN
fis-1950	56	14	pulse	pulse	NOUN
fis-1950	56	15	while	while	SCONJ
fis-1950	56	16	the	the	DET
fis-1950	56	17	piston	piston	NOUN
fis-1950	56	18	with	with	ADP
fis-1950	56	19	the	the	DET
fis-1950	56	20	anvil	anvil	NOUN
fis-1950	56	21	moves	move	NOUN
fis-1950	56	22	to	to	ADP
fis-1950	56	23	the	the	DET
fis-1950	56	24	right	right	ADJ
fis-1950	56	25	dead	dead	ADJ
fis-1950	56	26	point	point	NOUN
fis-1950	56	27	,	,	PUNCT
fis-1950	56	28	simultaneously	simultaneously	ADV
fis-1950	56	29	the	the	DET
fis-1950	56	30	discharge	discharge	NOUN
fis-1950	56	31	channel	channel	NOUN
fis-1950	56	32	of	of	ADP
fis-1950	56	33	high	high	ADJ
fis-1950	56	34	pressure	pressure	NOUN
fis-1950	56	35	mud	mud	NOUN
fis-1950	56	36	is	be	AUX
fis-1950	56	37	shifted	shift	VERB
fis-1950	56	38	from	from	ADP
fis-1950	56	39	channel	channel	NOUN
fis-1950	56	40	e	e	NOUN
fis-1950	56	41	to	to	PART
fis-1950	56	42	channel	channel	VERB
fis-1950	56	43	c	c	NOUN
fis-1950	56	44	,	,	PUNCT
fis-1950	56	45	and	and	CCONJ
fis-1950	56	46	the	the	DET
fis-1950	56	47	mud	mud	NOUN
fis-1950	56	48	is	be	AUX
fis-1950	56	49	instantaneously	instantaneously	ADV
fis-1950	56	50	pumped	pump	VERB
fis-1950	56	51	into	into	ADP
fis-1950	56	52	the	the	DET
fis-1950	56	53	ante	ante	NOUN
fis-1950	56	54	-	-	PUNCT
fis-1950	56	55	chamber	chamber	NOUN
fis-1950	56	56	of	of	ADP
fis-1950	56	57	the	the	DET
fis-1950	56	58	cylinder	cylinder	NOUN
fis-1950	56	59	(	(	PUNCT
fis-1950	56	60	as	as	SCONJ
fis-1950	56	61	shown	show	VERB
fis-1950	56	62	in	in	ADP
fis-1950	56	63	green	green	ADJ
fis-1950	56	64	pipe	pipe	NOUN
fis-1950	56	65	line	line	NOUN
fis-1950	56	66	)	)	PUNCT
fis-1950	56	67	,	,	PUNCT
fis-1950	56	68	which	which	PRON
fis-1950	56	69	actuates	actuate	VERB
fis-1950	56	70	the	the	DET
fis-1950	56	71	piston	piston	NOUN
fis-1950	56	72	to	to	PART
fis-1950	56	73	move	move	VERB
fis-1950	56	74	back	back	ADV
fis-1950	56	75	to	to	PART
fis-1950	56	76	return	return	VERB
fis-1950	56	77	strokes	stroke	NOUN
fis-1950	56	78	.	.	PUNCT
fis-1950	57	1	the	the	DET
fis-1950	57	2	whole	whole	ADJ
fis-1950	57	3	working	working	NOUN
fis-1950	57	4	process	process	NOUN
fis-1950	57	5	of	of	ADP
fis-1950	57	6	the	the	DET
fis-1950	57	7	hydraulic	hydraulic	ADJ
fis-1950	57	8	hammer	hammer	NOUN
fis-1950	57	9	rapidly	rapidly	ADV
fis-1950	57	10	and	and	CCONJ
fis-1950	57	11	periodically	periodically	ADV
fis-1950	57	12	completes	complete	VERB
fis-1950	57	13	in	in	ADP
fis-1950	57	14	hundreds	hundred	NOUN
fis-1950	57	15	of	of	ADP
fis-1950	57	16	a	a	DET
fis-1950	57	17	second	second	NOUN
fis-1950	57	18	.	.	PUNCT
fis-1950	58	1	therefore	therefore	ADV
fis-1950	58	2	,	,	PUNCT
fis-1950	58	3	the	the	DET
fis-1950	58	4	reciprocating	reciprocate	VERB
fis-1950	58	5	impact	impact	NOUN
fis-1950	58	6	energy	energy	NOUN
fis-1950	58	7	transmission	transmission	NOUN
fis-1950	58	8	can	can	AUX
fis-1950	58	9	be	be	AUX
fis-1950	58	10	obtained	obtain	VERB
fis-1950	58	11	by	by	ADP
fis-1950	58	12	the	the	DET
fis-1950	58	13	periodic	periodic	ADJ
fis-1950	58	14	exchange	exchange	NOUN
fis-1950	58	15	of	of	ADP
fis-1950	58	16	pumped	pump	VERB
fis-1950	58	17	mud	mud	NOUN
fis-1950	58	18	in	in	ADP
fis-1950	58	19	ante	ante	NOUN
fis-1950	58	20	-	-	PUNCT
fis-1950	58	21	chamber	chamber	PROPN
fis-1950	58	22	and	and	CCONJ
fis-1950	58	23	back	back	NOUN
fis-1950	58	24	chamber	chamber	NOUN
fis-1950	58	25	.	.	PUNCT
fis-1950	59	1	in	in	ADP
fis-1950	59	2	addition	addition	NOUN
fis-1950	59	3	,	,	PUNCT
fis-1950	59	4	the	the	DET
fis-1950	59	5	circulating	circulate	VERB
fis-1950	59	6	mud	mud	NOUN
fis-1950	59	7	in	in	ADP
fis-1950	59	8	back	back	ADJ
fis-1950	59	9	chamber	chamber	PROPN
fis-1950	59	10	and	and	CCONJ
fis-1950	59	11	ante	ante	PROPN
fis-1950	59	12	-	-	PUNCT
fis-1950	59	13	chamber	chamber	NOUN
fis-1950	59	14	will	will	AUX
fis-1950	59	15	be	be	AUX
fis-1950	59	16	discharged	discharge	VERB
fis-1950	59	17	through	through	ADP
fis-1950	59	18	the	the	DET
fis-1950	59	19	channel	channel	NOUN
fis-1950	59	20	c	c	NOUN
fis-1950	59	21	and	and	CCONJ
fis-1950	59	22	channel	channel	PROPN
fis-1950	59	23	e	e	NOUN
fis-1950	59	24	,	,	PUNCT
fis-1950	59	25	which	which	PRON
fis-1950	59	26	is	be	AUX
fis-1950	59	27	termed	term	VERB
fis-1950	59	28	as	as	ADP
fis-1950	59	29	the	the	DET
fis-1950	59	30	pressure	pressure	NOUN
fis-1950	59	31	outlet	outlet	NOUN
fis-1950	59	32	.	.	PUNCT
fis-1950	60	1	then	then	ADV
fis-1950	60	2	it	it	PRON
fis-1950	60	3	will	will	AUX
fis-1950	60	4	be	be	AUX
fis-1950	60	5	discharged	discharge	VERB
fis-1950	60	6	to	to	ADP
fis-1950	60	7	the	the	DET
fis-1950	60	8	annular	annular	ADJ
fis-1950	60	9	space	space	NOUN
fis-1950	60	10	between	between	ADP
fis-1950	60	11	the	the	DET
fis-1950	60	12	cylinder	cylinder	NOUN
fis-1950	60	13	and	and	CCONJ
fis-1950	60	14	drilling	drilling	NOUN
fis-1950	60	15	pipes	pipe	NOUN
fis-1950	60	16	.	.	PUNCT
fis-1950	61	1	u	u	NOUN
fis-1950	61	2	j.-f	j.-f	NOUN
fis-1950	61	3	.	.	PUNCT
fis-1950	62	1	he	he	PRON
fis-1950	62	2	et	et	PROPN
fis-1950	62	3	alii	alii	PROPN
fis-1950	62	4	,	,	PUNCT
fis-1950	62	5	frattura	frattura	PROPN
fis-1950	62	6	ed	ed	PROPN
fis-1950	62	7	integrità	integrità	PROPN
fis-1950	62	8	strutturale	strutturale	PROPN
fis-1950	62	9	,	,	PUNCT
fis-1950	62	10	42	42	NUM
fis-1950	62	11	(	(	PUNCT
fis-1950	62	12	2017	2017	NUM
fis-1950	62	13	)	)	PUNCT
fis-1950	62	14	263	263	NUM
fis-1950	62	15	-	-	SYM
fis-1950	62	16	271	271	NUM
fis-1950	62	17	;	;	PUNCT
fis-1950	62	18	doi	doi	NOUN
fis-1950	62	19	:	:	PUNCT
fis-1950	62	20	10.3221	10.3221	NUM
fis-1950	62	21	/	/	SYM
fis-1950	62	22	igf	igf	PROPN
fis-1950	62	23	-	-	PUNCT
fis-1950	62	24	esis.42.28	esis.42.28	PROPN
fis-1950	62	25	266	266	NUM
fis-1950	62	26	abrasion	abrasion	NOUN
fis-1950	62	27	theory	theory	NOUN
fis-1950	62	28	the	the	DET
fis-1950	62	29	complete	complete	ADJ
fis-1950	62	30	abrasion	abrasion	NOUN
fis-1950	62	31	theory	theory	NOUN
fis-1950	62	32	was	be	AUX
fis-1950	62	33	proposed	propose	VERB
fis-1950	62	34	by	by	ADP
fis-1950	62	35	archard	archard	NOUN
fis-1950	62	36	,	,	PUNCT
fis-1950	62	37	and	and	CCONJ
fis-1950	62	38	was	be	AUX
fis-1950	62	39	optimized	optimize	VERB
fis-1950	62	40	by	by	ADP
fis-1950	62	41	rowe	rowe	PROPN
fis-1950	62	42	in	in	ADP
fis-1950	62	43	1995	1995	NUM
fis-1950	62	44	[	[	X
fis-1950	62	45	16	16	NUM
fis-1950	62	46	-	-	SYM
fis-1950	62	47	18	18	NUM
fis-1950	62	48	]	]	PUNCT
fis-1950	62	49	.	.	PUNCT
fis-1950	63	1	while	while	SCONJ
fis-1950	63	2	the	the	DET
fis-1950	63	3	hydraulic	hydraulic	ADJ
fis-1950	63	4	dth	dth	ADJ
fis-1950	63	5	hammer	hammer	NOUN
fis-1950	63	6	is	be	AUX
fis-1950	63	7	operated	operate	VERB
fis-1950	63	8	in	in	ADP
fis-1950	63	9	horizontal	horizontal	ADJ
fis-1950	63	10	directional	directional	ADJ
fis-1950	63	11	well	well	PROPN
fis-1950	63	12	drilling	drilling	NOUN
fis-1950	63	13	,	,	PUNCT
fis-1950	63	14	the	the	DET
fis-1950	63	15	oriented	orient	VERB
fis-1950	63	16	slider	slider	NOUN
fis-1950	63	17	is	be	AUX
fis-1950	63	18	reciprocally	reciprocally	ADV
fis-1950	63	19	abraded	abrade	VERB
fis-1950	63	20	by	by	ADP
fis-1950	63	21	external	external	ADJ
fis-1950	63	22	cylinder	cylinder	NOUN
fis-1950	63	23	with	with	ADP
fis-1950	63	24	high	high	ADJ
fis-1950	63	25	frequency	frequency	NOUN
fis-1950	63	26	.	.	PUNCT
fis-1950	64	1	the	the	DET
fis-1950	64	2	volumetric	volumetric	NOUN
fis-1950	64	3	wearing	wear	VERB
fis-1950	64	4	capacity	capacity	NOUN
fis-1950	64	5	v	v	NOUN
fis-1950	64	6	can	can	AUX
fis-1950	64	7	be	be	AUX
fis-1950	64	8	derived	derive	VERB
fis-1950	64	9	from	from	ADP
fis-1950	64	10	eq	eq	ADP
fis-1950	64	11	.	.	PROPN
fis-1950	64	12	1	1	NUM
fis-1950	64	13	,	,	PUNCT
fis-1950	64	14	which	which	PRON
fis-1950	64	15	is	be	AUX
fis-1950	64	16	closely	closely	ADV
fis-1950	64	17	related	relate	VERB
fis-1950	64	18	to	to	ADP
fis-1950	64	19	the	the	DET
fis-1950	64	20	friction	friction	NOUN
fis-1950	64	21	coefficient	coefficient	NOUN
fis-1950	64	22	,	,	PUNCT
fis-1950	64	23	lubrication	lubrication	NOUN
fis-1950	64	24	coefficient	coefficient	NOUN
fis-1950	64	25	and	and	CCONJ
fis-1950	64	26	the	the	DET
fis-1950	64	27	load	load	NOUN
fis-1950	64	28	.	.	PUNCT
fis-1950	65	1	β	β	PROPN
fis-1950	65	2	αµ=	αµ=	NOUN
fis-1950	65	3	+	+	CCONJ
fis-1950	65	4	2(1	2(1	NUM
fis-1950	65	5	)	)	PUNCT
fis-1950	66	1	m	m	PROPN
fis-1950	66	2	wlv	wlv	NOUN
fis-1950	66	3	k	k	PROPN
fis-1950	66	4	h	h	PROPN
fis-1950	66	5	(	(	PUNCT
fis-1950	66	6	1	1	NUM
fis-1950	66	7	)	)	PUNCT
fis-1950	66	8	where	where	SCONJ
fis-1950	66	9	,	,	PUNCT
fis-1950	66	10	mk	mk	PROPN
fis-1950	66	11	,	,	PUNCT
fis-1950	66	12	α	α	PROPN
fis-1950	66	13	denotes	denote	VERB
fis-1950	66	14	the	the	DET
fis-1950	66	15	constant	constant	ADJ
fis-1950	66	16	,	,	PUNCT
fis-1950	66	17	dimensionless	dimensionless	NOUN
fis-1950	66	18	;	;	PUNCT
fis-1950	66	19	β	β	X
fis-1950	66	20	denotes	denote	VERB
fis-1950	66	21	the	the	DET
fis-1950	66	22	lubrication	lubrication	NOUN
fis-1950	66	23	coefficient	coefficient	NOUN
fis-1950	66	24	,	,	PUNCT
fis-1950	66	25	dimensionless	dimensionless	NOUN
fis-1950	66	26	;	;	PUNCT
fis-1950	66	27	µ	µ	X
fis-1950	66	28	denotes	denote	VERB
fis-1950	66	29	the	the	DET
fis-1950	66	30	friction	friction	NOUN
fis-1950	66	31	coefficient	coefficient	NOUN
fis-1950	66	32	,	,	PUNCT
fis-1950	66	33	dimensionless	dimensionless	NOUN
fis-1950	66	34	;	;	PUNCT
fis-1950	66	35	w	w	PROPN
fis-1950	66	36	denotes	denote	NOUN
fis-1950	66	37	the	the	DET
fis-1950	66	38	applied	apply	VERB
fis-1950	66	39	load	load	NOUN
fis-1950	66	40	of	of	ADP
fis-1950	66	41	oriented	orient	VERB
fis-1950	66	42	slider	slider	NOUN
fis-1950	66	43	,	,	PUNCT
fis-1950	66	44	mpa	mpa	PROPN
fis-1950	66	45	,	,	PUNCT
fis-1950	66	46	and	and	CCONJ
fis-1950	66	47	h	h	NOUN
fis-1950	66	48	denotes	denote	VERB
fis-1950	66	49	the	the	DET
fis-1950	66	50	brinell	brinell	NOUN
fis-1950	66	51	hardness	hardness	NOUN
fis-1950	66	52	,	,	PUNCT
fis-1950	66	53	hbw	hbw	PROPN
fis-1950	66	54	.	.	PUNCT
fis-1950	67	1	the	the	DET
fis-1950	67	2	formula	formula	NOUN
fis-1950	67	3	of	of	ADP
fis-1950	67	4	abrasion	abrasion	NOUN
fis-1950	67	5	theory	theory	NOUN
fis-1950	67	6	is	be	AUX
fis-1950	67	7	feasible	feasible	ADJ
fis-1950	67	8	to	to	ADP
fis-1950	67	9	the	the	DET
fis-1950	67	10	wear	wear	NOUN
fis-1950	67	11	of	of	ADP
fis-1950	67	12	horizontal	horizontal	ADJ
fis-1950	67	13	oriented	orient	VERB
fis-1950	67	14	sliders	slider	NOUN
fis-1950	67	15	,	,	PUNCT
fis-1950	67	16	thus	thus	ADV
fis-1950	67	17	the	the	DET
fis-1950	67	18	friction	friction	NOUN
fis-1950	67	19	coefficient	coefficient	NOUN
fis-1950	67	20	,	,	PUNCT
fis-1950	67	21	applied	apply	VERB
fis-1950	67	22	load	load	NOUN
fis-1950	67	23	and	and	CCONJ
fis-1950	67	24	the	the	DET
fis-1950	67	25	moving	move	VERB
fis-1950	67	26	velocity	velocity	NOUN
fis-1950	67	27	of	of	ADP
fis-1950	67	28	oriented	orient	VERB
fis-1950	67	29	slider	slider	NOUN
fis-1950	67	30	were	be	AUX
fis-1950	67	31	employed	employ	VERB
fis-1950	67	32	as	as	ADP
fis-1950	67	33	the	the	DET
fis-1950	67	34	variables	variable	NOUN
fis-1950	67	35	while	while	SCONJ
fis-1950	67	36	in	in	ADP
fis-1950	67	37	the	the	DET
fis-1950	67	38	simulation	simulation	NOUN
fis-1950	67	39	of	of	ADP
fis-1950	67	40	abrasion	abrasion	NOUN
fis-1950	67	41	property	property	NOUN
fis-1950	67	42	of	of	ADP
fis-1950	67	43	the	the	DET
fis-1950	67	44	anvil	anvil	NOUN
fis-1950	67	45	with	with	ADP
fis-1950	67	46	horizontal	horizontal	ADJ
fis-1950	67	47	oriented	orient	VERB
fis-1950	67	48	slider	slider	NOUN
fis-1950	67	49	.	.	PUNCT
fis-1950	68	1	fea	fea	PROPN
fis-1950	68	2	simulation	simulation	PROPN
fis-1950	68	3	here	here	ADV
fis-1950	68	4	are	be	AUX
fis-1950	68	5	totally	totally	ADV
fis-1950	68	6	3	3	NUM
fis-1950	68	7	variables	variable	NOUN
fis-1950	68	8	used	use	VERB
fis-1950	68	9	in	in	ADP
fis-1950	68	10	the	the	DET
fis-1950	68	11	simulation	simulation	NOUN
fis-1950	68	12	,	,	PUNCT
fis-1950	68	13	which	which	PRON
fis-1950	68	14	are	be	AUX
fis-1950	68	15	friction	friction	NOUN
fis-1950	68	16	coefficient	coefficient	NOUN
fis-1950	68	17	,	,	PUNCT
fis-1950	68	18	moving	move	VERB
fis-1950	68	19	velocity	velocity	NOUN
fis-1950	68	20	and	and	CCONJ
fis-1950	68	21	applied	applied	ADJ
fis-1950	68	22	load	load	NOUN
fis-1950	68	23	,	,	PUNCT
fis-1950	68	24	respectively	respectively	ADV
fis-1950	68	25	.	.	PUNCT
fis-1950	69	1	each	each	DET
fis-1950	69	2	variable	variable	NOUN
fis-1950	69	3	has	have	VERB
fis-1950	69	4	at	at	ADV
fis-1950	69	5	least	least	ADJ
fis-1950	69	6	5	5	NUM
fis-1950	69	7	models	model	NOUN
fis-1950	69	8	in	in	ADP
fis-1950	69	9	numerical	numerical	ADJ
fis-1950	69	10	simulation	simulation	PROPN
fis-1950	69	11	.	.	PUNCT
fis-1950	70	1	in	in	ADP
fis-1950	70	2	order	order	NOUN
fis-1950	70	3	to	to	PART
fis-1950	70	4	obtain	obtain	VERB
fis-1950	70	5	the	the	DET
fis-1950	70	6	abrasion	abrasion	NOUN
fis-1950	70	7	rate	rate	NOUN
fis-1950	70	8	of	of	ADP
fis-1950	70	9	the	the	DET
fis-1950	70	10	anvil	anvil	NOUN
fis-1950	70	11	inside	inside	ADP
fis-1950	70	12	hydraulic	hydraulic	ADJ
fis-1950	70	13	dth	dth	ADJ
fis-1950	70	14	hammers	hammer	NOUN
fis-1950	70	15	with	with	ADP
fis-1950	70	16	horizontal	horizontal	ADJ
fis-1950	70	17	oriented	orient	VERB
fis-1950	70	18	slider	slider	NOUN
fis-1950	70	19	,	,	PUNCT
fis-1950	70	20	the	the	DET
fis-1950	70	21	numerical	numerical	ADJ
fis-1950	70	22	modelling	modelling	NOUN
fis-1950	70	23	,	,	PUNCT
fis-1950	70	24	meshing	meshing	NOUN
fis-1950	70	25	and	and	CCONJ
fis-1950	70	26	solving	solving	NOUN
fis-1950	70	27	process	process	NOUN
fis-1950	70	28	are	be	AUX
fis-1950	70	29	successfully	successfully	ADV
fis-1950	70	30	completed	complete	VERB
fis-1950	70	31	.	.	PUNCT
fis-1950	71	1	numerical	numerical	ADJ
fis-1950	71	2	modelling	modelling	NOUN
fis-1950	71	3	and	and	CCONJ
fis-1950	71	4	meshing	meshing	NOUN
fis-1950	71	5	as	as	SCONJ
fis-1950	71	6	shown	show	VERB
fis-1950	71	7	in	in	ADP
fis-1950	71	8	fig	fig	NOUN
fis-1950	71	9	.	.	PUNCT
fis-1950	72	1	3	3	NUM
fis-1950	72	2	,	,	PUNCT
fis-1950	72	3	the	the	DET
fis-1950	72	4	numerical	numerical	ADJ
fis-1950	72	5	model	model	NOUN
fis-1950	72	6	of	of	ADP
fis-1950	72	7	the	the	DET
fis-1950	72	8	anvil	anvil	NOUN
fis-1950	72	9	with	with	ADP
fis-1950	72	10	oriented	orient	VERB
fis-1950	72	11	sliders	slider	NOUN
fis-1950	72	12	was	be	AUX
fis-1950	72	13	developed	develop	VERB
fis-1950	72	14	by	by	ADP
fis-1950	72	15	software	software	NOUN
fis-1950	72	16	ansys	ansys	PROPN
fis-1950	72	17	2014	2014	NUM
fis-1950	72	18	according	accord	VERB
fis-1950	72	19	to	to	ADP
fis-1950	72	20	the	the	DET
fis-1950	72	21	parameter	parameter	NOUN
fis-1950	72	22	of	of	ADP
fis-1950	72	23	a	a	DET
fis-1950	72	24	203	203	NUM
fis-1950	72	25	mm	mm	PROPN
fis-1950	72	26	hydraulic	hydraulic	ADJ
fis-1950	72	27	dth	dth	ADJ
fis-1950	72	28	hammer	hammer	NOUN
fis-1950	72	29	.	.	PUNCT
fis-1950	73	1	the	the	DET
fis-1950	73	2	material	material	NOUN
fis-1950	73	3	models	model	NOUN
fis-1950	73	4	of	of	ADP
fis-1950	73	5	external	external	ADJ
fis-1950	73	6	cylinder	cylinder	NOUN
fis-1950	73	7	and	and	CCONJ
fis-1950	73	8	oriented	orient	VERB
fis-1950	73	9	slider	slider	NOUN
fis-1950	73	10	were	be	AUX
fis-1950	73	11	defined	define	VERB
fis-1950	73	12	as	as	ADP
fis-1950	73	13	35crmo	35crmo	NUM
fis-1950	73	14	and	and	CCONJ
fis-1950	73	15	teflon	teflon	VERB
fis-1950	73	16	with	with	ADP
fis-1950	73	17	carbon	carbon	NOUN
fis-1950	73	18	fiber	fiber	NOUN
fis-1950	73	19	,	,	PUNCT
fis-1950	73	20	respectively	respectively	ADV
fis-1950	73	21	.	.	PUNCT
fis-1950	74	1	there	there	PRON
fis-1950	74	2	are	be	VERB
fis-1950	74	3	totally	totally	ADV
fis-1950	74	4	6	6	NUM
fis-1950	74	5	horizontal	horizontal	ADJ
fis-1950	74	6	oriented	orient	VERB
fis-1950	74	7	sliders	slider	NOUN
fis-1950	74	8	are	be	AUX
fis-1950	74	9	evenly	evenly	ADV
fis-1950	74	10	distributed	distribute	VERB
fis-1950	74	11	along	along	ADP
fis-1950	74	12	the	the	DET
fis-1950	74	13	outer	outer	ADJ
fis-1950	74	14	circle	circle	NOUN
fis-1950	74	15	of	of	ADP
fis-1950	74	16	the	the	DET
fis-1950	74	17	anvil	anvil	NOUN
fis-1950	74	18	,	,	PUNCT
fis-1950	74	19	and	and	CCONJ
fis-1950	74	20	the	the	DET
fis-1950	74	21	parameter	parameter	NOUN
fis-1950	74	22	of	of	ADP
fis-1950	74	23	oriented	orient	VERB
fis-1950	74	24	slider	slider	NOUN
fis-1950	74	25	is	be	AUX
fis-1950	74	26	×80	×80	VERB
fis-1950	74	27	36	36	NUM
fis-1950	74	28	mm	mm	NUM
fis-1950	74	29	mm	mm	INTJ
fis-1950	74	30	.	.	PUNCT
fis-1950	75	1	in	in	ADP
fis-1950	75	2	end	end	NOUN
fis-1950	75	3	,	,	PUNCT
fis-1950	75	4	3	3	NUM
fis-1950	75	5	groups	group	NOUN
fis-1950	75	6	of	of	ADP
fis-1950	75	7	material	material	NOUN
fis-1950	75	8	models	model	NOUN
fis-1950	75	9	are	be	AUX
fis-1950	75	10	established	establish	VERB
fis-1950	75	11	in	in	ADP
fis-1950	75	12	whole	whole	NOUN
fis-1950	75	13	,	,	PUNCT
fis-1950	75	14	as	as	SCONJ
fis-1950	75	15	shown	show	VERB
fis-1950	75	16	in	in	ADP
fis-1950	75	17	tab	tab	NOUN
fis-1950	75	18	.	.	PUNCT
fis-1950	76	1	1	1	X
fis-1950	76	2	.	.	X
fis-1950	76	3	figure	figure	NOUN
fis-1950	76	4	3	3	NUM
fis-1950	76	5	:	:	PUNCT
fis-1950	76	6	numerical	numerical	ADJ
fis-1950	76	7	model	model	NOUN
fis-1950	76	8	and	and	CCONJ
fis-1950	76	9	meshes	mesh	NOUN
fis-1950	76	10	of	of	ADP
fis-1950	76	11	a	a	DET
fis-1950	76	12	hydraulic	hydraulic	ADJ
fis-1950	76	13	dth	dth	ADJ
fis-1950	76	14	hammer	hammer	NOUN
fis-1950	76	15	with	with	ADP
fis-1950	76	16	horizontal	horizontal	ADJ
fis-1950	76	17	oriented	orient	VERB
fis-1950	76	18	sliders	slider	NOUN
fis-1950	76	19	.	.	PUNCT
fis-1950	77	1	the	the	DET
fis-1950	77	2	numerical	numerical	ADJ
fis-1950	77	3	model	model	NOUN
fis-1950	77	4	was	be	AUX
fis-1950	77	5	quarterly	quarterly	ADV
fis-1950	77	6	symmetric	symmetric	ADJ
fis-1950	77	7	in	in	ADP
fis-1950	77	8	order	order	NOUN
fis-1950	77	9	to	to	PART
fis-1950	77	10	reduce	reduce	VERB
fis-1950	77	11	the	the	DET
fis-1950	77	12	computational	computational	ADJ
fis-1950	77	13	time	time	NOUN
fis-1950	77	14	.	.	PUNCT
fis-1950	78	1	in	in	ADP
fis-1950	78	2	addition	addition	NOUN
fis-1950	78	3	,	,	PUNCT
fis-1950	78	4	the	the	DET
fis-1950	78	5	deformation	deformation	NOUN
fis-1950	78	6	of	of	ADP
fis-1950	78	7	oriented	orient	VERB
fis-1950	78	8	slider	slider	NOUN
fis-1950	78	9	and	and	CCONJ
fis-1950	78	10	external	external	ADJ
fis-1950	78	11	cylinder	cylinder	NOUN
fis-1950	78	12	is	be	AUX
fis-1950	78	13	defined	define	VERB
fis-1950	78	14	as	as	ADP
fis-1950	78	15	plane	plane	NOUN
fis-1950	78	16	strain	strain	NOUN
fis-1950	78	17	problem	problem	NOUN
fis-1950	78	18	.	.	PUNCT
fis-1950	79	1	the	the	DET
fis-1950	79	2	numerical	numerical	ADJ
fis-1950	79	3	model	model	NOUN
fis-1950	79	4	was	be	AUX
fis-1950	79	5	meshed	mesh	VERB
fis-1950	79	6	with	with	ADP
fis-1950	79	7	3d	3d	NUM
fis-1950	79	8	structure	structure	NOUN
fis-1950	79	9	cell	cell	NOUN
fis-1950	79	10	solid	solid	ADJ
fis-1950	79	11	185	185	NUM
fis-1950	79	12	,	,	PUNCT
fis-1950	79	13	and	and	CCONJ
fis-1950	79	14	the	the	DET
fis-1950	79	15	contact	contact	NOUN
fis-1950	79	16	cells	cell	NOUN
fis-1950	79	17	between	between	ADP
fis-1950	79	18	oriented	orient	VERB
fis-1950	79	19	slider	slider	NOUN
fis-1950	79	20	and	and	CCONJ
fis-1950	79	21	external	external	ADJ
fis-1950	79	22	cylinder	cylinder	NOUN
fis-1950	79	23	are	be	AUX
fis-1950	79	24	defined	define	VERB
fis-1950	79	25	as	as	ADP
fis-1950	79	26	contact	contact	NOUN
fis-1950	79	27	174	174	NUM
fis-1950	79	28	.	.	PUNCT
fis-1950	80	1	furthermore	furthermore	ADV
fis-1950	80	2	,	,	PUNCT
fis-1950	80	3	the	the	DET
fis-1950	80	4	grids	grid	NOUN
fis-1950	80	5	of	of	ADP
fis-1950	80	6	contact	contact	NOUN
fis-1950	80	7	region	region	NOUN
fis-1950	80	8	should	should	AUX
fis-1950	80	9	be	be	AUX
fis-1950	80	10	refined	refine	VERB
fis-1950	80	11	,	,	PUNCT
fis-1950	80	12	which	which	PRON
fis-1950	80	13	contributes	contribute	VERB
fis-1950	80	14	to	to	ADP
fis-1950	80	15	the	the	DET
fis-1950	80	16	improvement	improvement	NOUN
fis-1950	80	17	of	of	ADP
fis-1950	80	18	simulation	simulation	NOUN
fis-1950	80	19	results	result	NOUN
fis-1950	80	20	.	.	PUNCT
fis-1950	81	1	thus	thus	ADV
fis-1950	81	2	the	the	DET
fis-1950	81	3	grids	grid	NOUN
fis-1950	81	4	type	type	NOUN
fis-1950	81	5	of	of	ADP
fis-1950	81	6	contact	contact	NOUN
fis-1950	81	7	region	region	NOUN
fis-1950	81	8	was	be	AUX
fis-1950	81	9	defined	define	VERB
fis-1950	81	10	as	as	ADP
fis-1950	81	11	surface	surface	NOUN
fis-1950	81	12	-	-	PUNCT
fis-1950	81	13	to	to	ADP
fis-1950	81	14	-	-	PUNCT
fis-1950	81	15	surface	surface	NOUN
fis-1950	81	16	contact	contact	NOUN
fis-1950	81	17	,	,	PUNCT
fis-1950	81	18	which	which	PRON
fis-1950	81	19	is	be	AUX
fis-1950	81	20	termed	term	VERB
fis-1950	81	21	as	as	ADP
fis-1950	81	22	target	target	NOUN
fis-1950	81	23	170	170	NUM
fis-1950	81	24	in	in	ADP
fis-1950	81	25	ansys	ansys	PROPN
fis-1950	81	26	,	,	PUNCT
fis-1950	81	27	as	as	SCONJ
fis-1950	81	28	shown	show	VERB
fis-1950	81	29	in	in	ADP
fis-1950	81	30	fig	fig	NOUN
fis-1950	81	31	.	.	PUNCT
fis-1950	82	1	4	4	X
fis-1950	82	2	.	.	X
fis-1950	82	3	the	the	DET
fis-1950	82	4	cells	cell	NOUN
fis-1950	82	5	of	of	ADP
fis-1950	82	6	horizontal	horizontal	ADJ
fis-1950	82	7	oriented	orient	VERB
fis-1950	82	8	slider	slider	NOUN
fis-1950	82	9	are	be	AUX
fis-1950	82	10	in	in	ADP
fis-1950	82	11	red	red	ADJ
fis-1950	82	12	,	,	PUNCT
fis-1950	82	13	and	and	CCONJ
fis-1950	82	14	the	the	DET
fis-1950	82	15	cells	cell	NOUN
fis-1950	82	16	of	of	ADP
fis-1950	82	17	external	external	ADJ
fis-1950	82	18	cylinder	cylinder	NOUN
fis-1950	82	19	are	be	AUX
fis-1950	82	20	in	in	ADP
fis-1950	82	21	blue	blue	ADJ
fis-1950	82	22	.	.	PUNCT
fis-1950	83	1	t	t	PROPN
fis-1950	83	2	j.-f	j.-f	PROPN
fis-1950	83	3	.	.	PUNCT
fis-1950	84	1	he	he	PRON
fis-1950	84	2	et	et	PROPN
fis-1950	84	3	alii	alii	PROPN
fis-1950	84	4	,	,	PUNCT
fis-1950	84	5	frattura	frattura	PROPN
fis-1950	84	6	ed	ed	PROPN
fis-1950	84	7	integrità	integrità	PROPN
fis-1950	84	8	strutturale	strutturale	PROPN
fis-1950	84	9	,	,	PUNCT
fis-1950	84	10	42	42	NUM
fis-1950	84	11	(	(	PUNCT
fis-1950	84	12	2017	2017	NUM
fis-1950	84	13	)	)	PUNCT
fis-1950	84	14	263	263	NUM
fis-1950	84	15	-	-	SYM
fis-1950	84	16	271	271	NUM
fis-1950	84	17	;	;	PUNCT
fis-1950	84	18	doi	doi	NOUN
fis-1950	84	19	:	:	PUNCT
fis-1950	84	20	10.3221	10.3221	NUM
fis-1950	84	21	/	/	SYM
fis-1950	84	22	igf	igf	PROPN
fis-1950	84	23	-	-	PUNCT
fis-1950	84	24	esis.42.28	esis.42.28	PROPN
fis-1950	84	25	267	267	NUM
fis-1950	84	26	materials	material	NOUN
fis-1950	84	27	(	(	PUNCT
fis-1950	84	28	slider	slider	NOUN
fis-1950	84	29	/	/	SYM
fis-1950	84	30	external	external	ADJ
fis-1950	84	31	cylinder	cylinder	NOUN
fis-1950	84	32	)	)	PUNCT
fis-1950	84	33	applied	apply	VERB
fis-1950	84	34	load	load	NOUN
fis-1950	84	35	(	(	PUNCT
fis-1950	84	36	mpa	mpa	PROPN
fis-1950	84	37	)	)	PUNCT
fis-1950	84	38	friction	friction	NOUN
fis-1950	84	39	coefficient	coefficient	NOUN
fis-1950	84	40	(	(	PUNCT
fis-1950	84	41	m	m	NOUN
fis-1950	84	42	/	/	SYM
fis-1950	84	43	s	s	NOUN
fis-1950	84	44	)	)	PUNCT
fis-1950	84	45	temperature	temperature	NOUN
fis-1950	84	46	(	(	PUNCT
fis-1950	84	47	℃	℃	PROPN
fis-1950	84	48	)	)	PUNCT
fis-1950	84	49	35crmo	35crmo	NUM
fis-1950	84	50	/	/	SYM
fis-1950	84	51	ptfe	ptfe	ADJ
fis-1950	84	52	50～70	50～70	NUM
fis-1950	84	53	0.01～0.03	0.01～0.03	NOUN
fis-1950	84	54	-180～250	-180～250	PUNCT
fis-1950	84	55	35crmo	35crmo	NUM
fis-1950	84	56	/	/	SYM
fis-1950	84	57	pom	pom	NOUN
fis-1950	84	58	50～70	50～70	NUM
fis-1950	84	59	0.15～0.35	0.15～0.35	NOUN
fis-1950	84	60	-180～260	-180～260	PUNCT
fis-1950	84	61	35crmo	35crmo	NUM
fis-1950	84	62	/	/	SYM
fis-1950	84	63	p	p	PROPN
fis-1950	84	64	-	-	PUNCT
fis-1950	84	65	ni	ni	PROPN
fis-1950	84	66	0～715	0～715	NOUN
fis-1950	84	67	0.1	0.1	NUM
fis-1950	84	68	-180～200	-180～200	PUNCT
fis-1950	84	69	table	table	NOUN
fis-1950	84	70	1	1	NUM
fis-1950	84	71	:	:	PUNCT
fis-1950	84	72	property	property	NOUN
fis-1950	84	73	of	of	ADP
fis-1950	84	74	numerical	numerical	ADJ
fis-1950	84	75	models	model	NOUN
fis-1950	84	76	of	of	ADP
fis-1950	84	77	hydraulic	hydraulic	ADJ
fis-1950	84	78	hammers	hammer	NOUN
fis-1950	84	79	with	with	ADP
fis-1950	84	80	horizontal	horizontal	ADJ
fis-1950	84	81	oriented	orient	VERB
fis-1950	84	82	sliders	slider	NOUN
fis-1950	84	83	.	.	PUNCT
fis-1950	85	1	there	there	PRON
fis-1950	85	2	are	be	VERB
fis-1950	85	3	totally	totally	ADV
fis-1950	85	4	42318	42318	NUM
fis-1950	85	5	elements	element	NOUN
fis-1950	85	6	in	in	ADP
fis-1950	85	7	each	each	PRON
fis-1950	85	8	of	of	ADP
fis-1950	85	9	numerical	numerical	ADJ
fis-1950	85	10	model	model	NOUN
fis-1950	85	11	,	,	PUNCT
fis-1950	85	12	and	and	CCONJ
fis-1950	85	13	the	the	DET
fis-1950	85	14	meshed	mesh	VERB
fis-1950	85	15	grids	grid	NOUN
fis-1950	85	16	are	be	AUX
fis-1950	85	17	hexahedrons	hexahedron	NOUN
fis-1950	85	18	,	,	PUNCT
fis-1950	85	19	which	which	PRON
fis-1950	85	20	are	be	AUX
fis-1950	85	21	obtained	obtain	VERB
fis-1950	85	22	by	by	ADP
fis-1950	85	23	sweep	sweep	NOUN
fis-1950	85	24	meshing	meshing	NOUN
fis-1950	85	25	of	of	ADP
fis-1950	85	26	ansys	ansys	PROPN
fis-1950	85	27	.	.	PUNCT
fis-1950	86	1	all	all	PRON
fis-1950	86	2	of	of	ADP
fis-1950	86	3	the	the	DET
fis-1950	86	4	meshed	mesh	VERB
fis-1950	86	5	grids	grid	NOUN
fis-1950	86	6	are	be	AUX
fis-1950	86	7	volume	volume	NOUN
fis-1950	86	8	grids	grid	NOUN
fis-1950	86	9	with	with	ADP
fis-1950	86	10	a	a	DET
fis-1950	86	11	maximum	maximum	ADJ
fis-1950	86	12	diameter	diameter	NOUN
fis-1950	86	13	of	of	ADP
fis-1950	86	14	3	3	NUM
fis-1950	86	15	mm	mm	NOUN
fis-1950	86	16	,	,	PUNCT
fis-1950	86	17	and	and	CCONJ
fis-1950	86	18	the	the	DET
fis-1950	86	19	grid	grid	NOUN
fis-1950	86	20	coordination	coordination	NOUN
fis-1950	86	21	is	be	AUX
fis-1950	86	22	excellent	excellent	ADJ
fis-1950	86	23	.	.	PUNCT
fis-1950	87	1	the	the	DET
fis-1950	87	2	maximum	maximum	ADJ
fis-1950	87	3	grid	grid	NOUN
fis-1950	87	4	deviation	deviation	NOUN
fis-1950	87	5	is	be	AUX
fis-1950	87	6	5	5	NUM
fis-1950	87	7	%	%	NOUN
fis-1950	87	8	,	,	PUNCT
fis-1950	87	9	which	which	PRON
fis-1950	87	10	guarantees	guarantee	VERB
fis-1950	87	11	the	the	DET
fis-1950	87	12	accuracy	accuracy	NOUN
fis-1950	87	13	of	of	ADP
fis-1950	87	14	simulation	simulation	NOUN
fis-1950	87	15	results	result	VERB
fis-1950	87	16	.	.	PUNCT
fis-1950	88	1	the	the	DET
fis-1950	88	2	meshed	mesh	VERB
fis-1950	88	3	elements	element	NOUN
fis-1950	88	4	of	of	ADP
fis-1950	88	5	a	a	DET
fis-1950	88	6	horizontal	horizontal	ADJ
fis-1950	88	7	oriented	orient	VERB
fis-1950	88	8	slider	slider	NOUN
fis-1950	88	9	are	be	AUX
fis-1950	88	10	shown	show	VERB
fis-1950	88	11	as	as	ADP
fis-1950	88	12	fig	fig	NOUN
fis-1950	88	13	.	.	PUNCT
fis-1950	89	1	3	3	X
fis-1950	89	2	.	.	NOUN
fis-1950	89	3	boundary	boundary	ADJ
fis-1950	89	4	conditions	condition	NOUN
fis-1950	89	5	and	and	CCONJ
fis-1950	89	6	solver	solver	NOUN
fis-1950	89	7	settings	setting	NOUN
fis-1950	89	8	in	in	ADP
fis-1950	89	9	order	order	NOUN
fis-1950	89	10	to	to	PART
fis-1950	89	11	reduce	reduce	VERB
fis-1950	89	12	the	the	DET
fis-1950	89	13	computational	computational	ADJ
fis-1950	89	14	time	time	NOUN
fis-1950	89	15	,	,	PUNCT
fis-1950	89	16	the	the	DET
fis-1950	89	17	numerical	numerical	ADJ
fis-1950	89	18	model	model	NOUN
fis-1950	89	19	was	be	AUX
fis-1950	89	20	simplified	simplify	VERB
fis-1950	89	21	with	with	ADP
fis-1950	89	22	horizontal	horizontal	ADJ
fis-1950	89	23	friction	friction	NOUN
fis-1950	89	24	force	force	NOUN
fis-1950	89	25	,	,	PUNCT
fis-1950	89	26	and	and	CCONJ
fis-1950	89	27	other	other	ADJ
fis-1950	89	28	extra	extra	ADJ
fis-1950	89	29	loads	load	NOUN
fis-1950	89	30	were	be	AUX
fis-1950	89	31	ignored	ignore	VERB
fis-1950	89	32	,	,	PUNCT
fis-1950	89	33	such	such	ADJ
fis-1950	89	34	as	as	ADP
fis-1950	89	35	hydraulic	hydraulic	ADJ
fis-1950	89	36	pressure	pressure	NOUN
fis-1950	89	37	,	,	PUNCT
fis-1950	89	38	fluids	fluid	NOUN
fis-1950	89	39	resistance	resistance	NOUN
fis-1950	89	40	and	and	CCONJ
fis-1950	89	41	buoyance	buoyance	NOUN
fis-1950	89	42	of	of	ADP
fis-1950	89	43	drilling	drill	VERB
fis-1950	89	44	mud	mud	NOUN
fis-1950	89	45	.	.	PUNCT
fis-1950	90	1	moreover	moreover	ADV
fis-1950	90	2	,	,	PUNCT
fis-1950	90	3	the	the	DET
fis-1950	90	4	boundary	boundary	ADJ
fis-1950	90	5	condition	condition	NOUN
fis-1950	90	6	of	of	ADP
fis-1950	90	7	contact	contact	NOUN
fis-1950	90	8	region	region	NOUN
fis-1950	90	9	between	between	ADP
fis-1950	90	10	horizontal	horizontal	ADJ
fis-1950	90	11	oriented	orient	VERB
fis-1950	90	12	slider	slider	NOUN
fis-1950	90	13	and	and	CCONJ
fis-1950	90	14	external	external	ADJ
fis-1950	90	15	cylinder	cylinder	NOUN
fis-1950	90	16	is	be	AUX
fis-1950	90	17	simplified	simplify	VERB
fis-1950	90	18	as	as	ADP
fis-1950	90	19	wetting	wet	VERB
fis-1950	90	20	boundary	boundary	ADJ
fis-1950	90	21	conditions	condition	NOUN
fis-1950	90	22	.	.	PUNCT
fis-1950	91	1	in	in	ADP
fis-1950	91	2	addition	addition	NOUN
fis-1950	91	3	,	,	PUNCT
fis-1950	91	4	the	the	DET
fis-1950	91	5	initial	initial	ADJ
fis-1950	91	6	load	load	NOUN
fis-1950	91	7	on	on	ADP
fis-1950	91	8	oriented	orient	VERB
fis-1950	91	9	sliders	slider	NOUN
fis-1950	91	10	was	be	AUX
fis-1950	91	11	applied	apply	VERB
fis-1950	91	12	with	with	ADP
fis-1950	91	13	1kn	1kn	NOUN
fis-1950	91	14	,	,	PUNCT
fis-1950	91	15	and	and	CCONJ
fis-1950	91	16	friction	friction	NOUN
fis-1950	91	17	coefficient	coefficient	NOUN
fis-1950	91	18	between	between	ADP
fis-1950	91	19	oriented	orient	VERB
fis-1950	91	20	slider	slider	NOUN
fis-1950	91	21	and	and	CCONJ
fis-1950	91	22	external	external	ADJ
fis-1950	91	23	cylinder	cylinder	NOUN
fis-1950	91	24	is	be	AUX
fis-1950	91	25	denoted	denote	VERB
fis-1950	91	26	as	as	ADP
fis-1950	91	27	0.02	0.02	NUM
fis-1950	91	28	.	.	PUNCT
fis-1950	92	1	once	once	ADV
fis-1950	92	2	all	all	DET
fis-1950	92	3	numerical	numerical	ADJ
fis-1950	92	4	models	model	NOUN
fis-1950	92	5	were	be	AUX
fis-1950	92	6	finishing	finish	VERB
fis-1950	92	7	computing	compute	VERB
fis-1950	92	8	,	,	PUNCT
fis-1950	92	9	the	the	DET
fis-1950	92	10	abrasion	abrasion	NOUN
fis-1950	92	11	rate	rate	NOUN
fis-1950	92	12	of	of	ADP
fis-1950	92	13	hydraulic	hydraulic	ADJ
fis-1950	92	14	hammer	hammer	NOUN
fis-1950	92	15	has	have	AUX
fis-1950	92	16	been	be	AUX
fis-1950	92	17	obtained	obtain	VERB
fis-1950	92	18	,	,	PUNCT
fis-1950	92	19	which	which	PRON
fis-1950	92	20	is	be	AUX
fis-1950	92	21	helpful	helpful	ADJ
fis-1950	92	22	to	to	PART
fis-1950	92	23	optimize	optimize	VERB
fis-1950	92	24	the	the	DET
fis-1950	92	25	structure	structure	NOUN
fis-1950	92	26	design	design	NOUN
fis-1950	92	27	of	of	ADP
fis-1950	92	28	hydraulic	hydraulic	ADJ
fis-1950	92	29	dth	dth	ADJ
fis-1950	92	30	hammers	hammer	NOUN
fis-1950	92	31	with	with	ADP
fis-1950	92	32	horizontal	horizontal	ADJ
fis-1950	92	33	oriented	orient	VERB
fis-1950	92	34	sliders	slider	NOUN
fis-1950	92	35	.	.	PUNCT
fis-1950	93	1	figure	figure	VERB
fis-1950	93	2	4	4	NUM
fis-1950	93	3	:	:	PUNCT
fis-1950	93	4	contact	contact	NOUN
fis-1950	93	5	cells	cell	NOUN
fis-1950	93	6	between	between	ADP
fis-1950	93	7	horizontal	horizontal	ADJ
fis-1950	93	8	oriented	orient	VERB
fis-1950	93	9	slider	slider	NOUN
fis-1950	93	10	and	and	CCONJ
fis-1950	93	11	external	external	ADJ
fis-1950	93	12	cylinder	cylinder	NOUN
fis-1950	93	13	.	.	PUNCT
fis-1950	94	1	with	with	ADP
fis-1950	94	2	regard	regard	NOUN
fis-1950	94	3	to	to	ADP
fis-1950	94	4	the	the	DET
fis-1950	94	5	solver	solver	ADJ
fis-1950	94	6	settings	setting	NOUN
fis-1950	94	7	of	of	ADP
fis-1950	94	8	numerical	numerical	ADJ
fis-1950	94	9	simulation	simulation	PROPN
fis-1950	94	10	with	with	ADP
fis-1950	94	11	horizontal	horizontal	ADJ
fis-1950	94	12	oriented	orient	VERB
fis-1950	94	13	sliders	slider	NOUN
fis-1950	94	14	,	,	PUNCT
fis-1950	94	15	there	there	PRON
fis-1950	94	16	are	be	VERB
fis-1950	94	17	totally	totally	ADV
fis-1950	94	18	1000	1000	NUM
fis-1950	94	19	time	time	NOUN
fis-1950	94	20	steps	step	NOUN
fis-1950	94	21	were	be	AUX
fis-1950	94	22	set	set	VERB
fis-1950	94	23	.	.	PUNCT
fis-1950	95	1	the	the	DET
fis-1950	95	2	details	detail	NOUN
fis-1950	95	3	of	of	ADP
fis-1950	95	4	solver	solver	NOUN
fis-1950	95	5	settings	setting	NOUN
fis-1950	95	6	are	be	AUX
fis-1950	95	7	as	as	SCONJ
fis-1950	95	8	shown	show	VERB
fis-1950	95	9	in	in	ADP
fis-1950	95	10	tab	tab	NOUN
fis-1950	95	11	.	.	PUNCT
fis-1950	96	1	2	2	NUM
fis-1950	96	2	.	.	X
fis-1950	96	3	thus	thus	ADV
fis-1950	96	4	the	the	DET
fis-1950	96	5	abrasion	abrasion	NOUN
fis-1950	96	6	property	property	NOUN
fis-1950	96	7	of	of	ADP
fis-1950	96	8	hydraulic	hydraulic	ADJ
fis-1950	96	9	hammers	hammer	NOUN
fis-1950	96	10	with	with	ADP
fis-1950	96	11	horizontal	horizontal	ADJ
fis-1950	96	12	oriented	orient	VERB
fis-1950	96	13	sliders	slider	NOUN
fis-1950	96	14	can	can	AUX
fis-1950	96	15	be	be	AUX
fis-1950	96	16	obtained	obtain	VERB
fis-1950	96	17	with	with	ADP
fis-1950	96	18	various	various	ADJ
fis-1950	96	19	material	material	NOUN
fis-1950	96	20	models	model	NOUN
fis-1950	96	21	and	and	CCONJ
fis-1950	96	22	boundary	boundary	ADJ
fis-1950	96	23	conditions	condition	NOUN
fis-1950	96	24	.	.	PUNCT
fis-1950	97	1	results	result	NOUN
fis-1950	97	2	and	and	CCONJ
fis-1950	97	3	discussions	discussion	NOUN
fis-1950	97	4	he	he	PRON
fis-1950	97	5	abrasion	abrasion	NOUN
fis-1950	97	6	property	property	NOUN
fis-1950	97	7	of	of	ADP
fis-1950	97	8	a	a	DET
fis-1950	97	9	hydraulic	hydraulic	ADJ
fis-1950	97	10	hammer	hammer	NOUN
fis-1950	97	11	with	with	ADP
fis-1950	97	12	horizontal	horizontal	ADJ
fis-1950	97	13	oriented	orient	VERB
fis-1950	97	14	sliders	slider	NOUN
fis-1950	97	15	has	have	AUX
fis-1950	97	16	been	be	AUX
fis-1950	97	17	numerically	numerically	ADV
fis-1950	97	18	modeled	model	VERB
fis-1950	97	19	by	by	ADP
fis-1950	97	20	fea	fea	PROPN
fis-1950	97	21	simulation	simulation	PROPN
fis-1950	97	22	.	.	PUNCT
fis-1950	98	1	especially	especially	ADV
fis-1950	98	2	the	the	DET
fis-1950	98	3	moving	move	VERB
fis-1950	98	4	velocity	velocity	NOUN
fis-1950	98	5	of	of	ADP
fis-1950	98	6	the	the	DET
fis-1950	98	7	anvil	anvil	NOUN
fis-1950	98	8	,	,	PUNCT
fis-1950	98	9	the	the	DET
fis-1950	98	10	mass	mass	NOUN
fis-1950	98	11	of	of	ADP
fis-1950	98	12	anvil	anvil	NOUN
fis-1950	98	13	or	or	CCONJ
fis-1950	98	14	applied	applied	ADJ
fis-1950	98	15	load	load	NOUN
fis-1950	98	16	,	,	PUNCT
fis-1950	98	17	and	and	CCONJ
fis-1950	98	18	the	the	DET
fis-1950	98	19	friction	friction	NOUN
fis-1950	98	20	coefficient	coefficient	NOUN
fis-1950	98	21	of	of	ADP
fis-1950	98	22	horizontal	horizontal	ADJ
fis-1950	98	23	oriented	orient	VERB
fis-1950	98	24	sliders	slider	NOUN
fis-1950	98	25	have	have	AUX
fis-1950	98	26	been	be	AUX
fis-1950	98	27	separately	separately	ADV
fis-1950	98	28	analyzed	analyze	VERB
fis-1950	98	29	with	with	ADP
fis-1950	98	30	various	various	ADJ
fis-1950	98	31	numerical	numerical	ADJ
fis-1950	98	32	models	model	NOUN
fis-1950	98	33	.	.	PUNCT
fis-1950	99	1	meanwhile	meanwhile	ADV
fis-1950	99	2	,	,	PUNCT
fis-1950	99	3	t	t	PROPN
fis-1950	99	4	j.-f	j.-f	NOUN
fis-1950	99	5	.	.	PUNCT
fis-1950	100	1	he	he	PRON
fis-1950	100	2	et	et	PROPN
fis-1950	100	3	alii	alii	PROPN
fis-1950	100	4	,	,	PUNCT
fis-1950	100	5	frattura	frattura	PROPN
fis-1950	100	6	ed	ed	PROPN
fis-1950	100	7	integrità	integrità	PROPN
fis-1950	100	8	strutturale	strutturale	PROPN
fis-1950	100	9	,	,	PUNCT
fis-1950	100	10	42	42	NUM
fis-1950	100	11	(	(	PUNCT
fis-1950	100	12	2017	2017	NUM
fis-1950	100	13	)	)	PUNCT
fis-1950	100	14	263	263	NUM
fis-1950	100	15	-	-	SYM
fis-1950	100	16	271	271	NUM
fis-1950	100	17	;	;	PUNCT
fis-1950	100	18	doi	doi	NOUN
fis-1950	100	19	:	:	PUNCT
fis-1950	100	20	10.3221	10.3221	NUM
fis-1950	100	21	/	/	SYM
fis-1950	100	22	igf	igf	PROPN
fis-1950	100	23	-	-	PROPN
fis-1950	100	24	esis.42.28	esis.42.28	PROPN
fis-1950	100	25	268	268	NUM
fis-1950	100	26	the	the	DET
fis-1950	100	27	related	related	ADJ
fis-1950	100	28	experiments	experiment	NOUN
fis-1950	100	29	are	be	AUX
fis-1950	100	30	conducted	conduct	VERB
fis-1950	100	31	in	in	ADP
fis-1950	100	32	order	order	NOUN
fis-1950	100	33	to	to	PART
fis-1950	100	34	improve	improve	VERB
fis-1950	100	35	the	the	DET
fis-1950	100	36	service	service	NOUN
fis-1950	100	37	life	life	NOUN
fis-1950	100	38	of	of	ADP
fis-1950	100	39	hydraulic	hydraulic	ADJ
fis-1950	100	40	dth	dth	ADJ
fis-1950	100	41	hammers	hammer	NOUN
fis-1950	100	42	while	while	SCONJ
fis-1950	100	43	in	in	ADP
fis-1950	100	44	horizontal	horizontal	ADJ
fis-1950	100	45	directional	directional	ADJ
fis-1950	100	46	well	well	INTJ
fis-1950	100	47	drilling	drilling	NOUN
fis-1950	100	48	.	.	PUNCT
fis-1950	101	1	in	in	ADP
fis-1950	101	2	end	end	NOUN
fis-1950	101	3	,	,	PUNCT
fis-1950	101	4	the	the	DET
fis-1950	101	5	abrasion	abrasion	NOUN
fis-1950	101	6	rate	rate	NOUN
fis-1950	101	7	of	of	ADP
fis-1950	101	8	hydraulic	hydraulic	ADJ
fis-1950	101	9	hammer	hammer	NOUN
fis-1950	101	10	with	with	ADP
fis-1950	101	11	horizontal	horizontal	ADJ
fis-1950	101	12	oriented	orient	VERB
fis-1950	101	13	sliders	slider	NOUN
fis-1950	101	14	is	be	AUX
fis-1950	101	15	obtained	obtain	VERB
fis-1950	101	16	,	,	PUNCT
fis-1950	101	17	and	and	CCONJ
fis-1950	101	18	the	the	DET
fis-1950	101	19	abrasion	abrasion	NOUN
fis-1950	101	20	property	property	NOUN
fis-1950	101	21	of	of	ADP
fis-1950	101	22	horizontal	horizontal	ADJ
fis-1950	101	23	oriented	orient	VERB
fis-1950	101	24	sliders	slider	NOUN
fis-1950	101	25	is	be	AUX
fis-1950	101	26	discussed	discuss	VERB
fis-1950	101	27	according	accord	VERB
fis-1950	101	28	to	to	ADP
fis-1950	101	29	numerical	numerical	PROPN
fis-1950	101	30	simulation	simulation	NOUN
fis-1950	101	31	results	result	NOUN
fis-1950	101	32	.	.	PUNCT
fis-1950	102	1	meshes	mesh	VERB
fis-1950	102	2	no	no	INTJ
fis-1950	102	3	.	.	PUNCT
fis-1950	103	1	42318	42318	NUM
fis-1950	103	2	friction	friction	NOUN
fis-1950	103	3	coefficient	coefficient	NOUN
fis-1950	103	4	0.02	0.02	NUM
fis-1950	103	5	applied	applied	ADJ
fis-1950	103	6	loads	load	NOUN
fis-1950	103	7	(	(	PUNCT
fis-1950	103	8	kn	kn	NOUN
fis-1950	103	9	)	)	PUNCT
fis-1950	103	10	1	1	NUM
fis-1950	103	11	total	total	ADJ
fis-1950	103	12	steps	step	NOUN
fis-1950	103	13	1000	1000	NUM
fis-1950	103	14	time	time	NOUN
fis-1950	103	15	step	step	NOUN
fis-1950	103	16	2	2	NUM
fis-1950	103	17	convergence	convergence	NOUN
fis-1950	103	18	coefficient	coefficient	NOUN
fis-1950	103	19	0.5	0.5	NUM
fis-1950	103	20	moving	move	VERB
fis-1950	103	21	velocity	velocity	NOUN
fis-1950	103	22	of	of	ADP
fis-1950	103	23	hammer	hammer	NOUN
fis-1950	103	24	(	(	PUNCT
fis-1950	103	25	m	m	NOUN
fis-1950	103	26	/	/	SYM
fis-1950	103	27	s	s	NOUN
fis-1950	103	28	)	)	PUNCT
fis-1950	103	29	3	3	NUM
fis-1950	103	30	table	table	NOUN
fis-1950	103	31	2	2	NUM
fis-1950	103	32	:	:	PUNCT
fis-1950	103	33	details	detail	NOUN
fis-1950	103	34	of	of	ADP
fis-1950	103	35	boundary	boundary	ADJ
fis-1950	103	36	condition	condition	NOUN
fis-1950	103	37	and	and	CCONJ
fis-1950	103	38	solver	solver	NOUN
fis-1950	103	39	settings	setting	NOUN
fis-1950	103	40	.	.	PUNCT
fis-1950	104	1	effects	effect	NOUN
fis-1950	104	2	of	of	ADP
fis-1950	104	3	hammer	hammer	NOUN
fis-1950	104	4	mass	mass	NOUN
fis-1950	104	5	on	on	ADP
fis-1950	104	6	abrasion	abrasion	NOUN
fis-1950	104	7	property	property	NOUN
fis-1950	104	8	of	of	ADP
fis-1950	104	9	hydraulic	hydraulic	ADJ
fis-1950	104	10	hammer	hammer	NOUN
fis-1950	104	11	with	with	ADP
fis-1950	104	12	oriented	orient	VERB
fis-1950	104	13	sliders	slider	NOUN
fis-1950	104	14	as	as	SCONJ
fis-1950	104	15	shown	show	VERB
fis-1950	104	16	in	in	ADP
fis-1950	104	17	fig	fig	NOUN
fis-1950	104	18	.	.	PUNCT
fis-1950	105	1	5	5	NUM
fis-1950	105	2	,	,	PUNCT
fis-1950	105	3	the	the	DET
fis-1950	105	4	von	von	PROPN
fis-1950	105	5	-	-	PUNCT
fis-1950	105	6	mises	mises	PROPN
fis-1950	105	7	stress	stress	NOUN
fis-1950	105	8	of	of	ADP
fis-1950	105	9	oriented	orient	VERB
fis-1950	105	10	sliders	slider	NOUN
fis-1950	105	11	has	have	AUX
fis-1950	105	12	been	be	AUX
fis-1950	105	13	obtained	obtain	VERB
fis-1950	105	14	.	.	PUNCT
fis-1950	106	1	while	while	SCONJ
fis-1950	106	2	the	the	DET
fis-1950	106	3	mass	mass	NOUN
fis-1950	106	4	of	of	ADP
fis-1950	106	5	the	the	DET
fis-1950	106	6	anvil	anvil	NOUN
fis-1950	106	7	is	be	AUX
fis-1950	106	8	60	60	NUM
fis-1950	106	9	kg	kg	NOUN
fis-1950	106	10	,	,	PUNCT
fis-1950	106	11	the	the	DET
fis-1950	106	12	main	main	ADJ
fis-1950	106	13	stress	stress	NOUN
fis-1950	106	14	of	of	ADP
fis-1950	106	15	oriented	orient	VERB
fis-1950	106	16	sliders	slider	NOUN
fis-1950	106	17	is	be	AUX
fis-1950	106	18	approximately	approximately	ADV
fis-1950	106	19	6mpa	6mpa	NOUN
fis-1950	106	20	.	.	PUNCT
fis-1950	107	1	it	it	PRON
fis-1950	107	2	can	can	AUX
fis-1950	107	3	be	be	AUX
fis-1950	107	4	implied	imply	VERB
fis-1950	107	5	that	that	SCONJ
fis-1950	107	6	the	the	DET
fis-1950	107	7	main	main	ADJ
fis-1950	107	8	stress	stress	NOUN
fis-1950	107	9	of	of	ADP
fis-1950	107	10	horizontal	horizontal	ADJ
fis-1950	107	11	oriented	orient	VERB
fis-1950	107	12	sliders	slider	NOUN
fis-1950	107	13	is	be	AUX
fis-1950	107	14	nearly	nearly	ADV
fis-1950	107	15	linearly	linearly	ADV
fis-1950	107	16	increasing	increase	VERB
fis-1950	107	17	with	with	ADP
fis-1950	107	18	the	the	DET
fis-1950	107	19	raise	raise	NOUN
fis-1950	107	20	of	of	ADP
fis-1950	107	21	anvil	anvil	ADJ
fis-1950	107	22	mass	mass	PROPN
fis-1950	107	23	.	.	PUNCT
fis-1950	108	1	while	while	SCONJ
fis-1950	108	2	the	the	DET
fis-1950	108	3	mass	mass	NOUN
fis-1950	108	4	of	of	ADP
fis-1950	108	5	the	the	DET
fis-1950	108	6	anvil	anvil	NOUN
fis-1950	108	7	exceeds	exceed	VERB
fis-1950	108	8	100	100	NUM
fis-1950	108	9	kg	kg	NOUN
fis-1950	108	10	,	,	PUNCT
fis-1950	108	11	the	the	DET
fis-1950	108	12	main	main	ADJ
fis-1950	108	13	stress	stress	NOUN
fis-1950	108	14	of	of	ADP
fis-1950	108	15	oriented	orient	VERB
fis-1950	108	16	sliders	slider	NOUN
fis-1950	108	17	will	will	AUX
fis-1950	108	18	exceed	exceed	VERB
fis-1950	108	19	9mpa	9mpa	NUM
fis-1950	108	20	,	,	PUNCT
fis-1950	108	21	which	which	PRON
fis-1950	108	22	will	will	AUX
fis-1950	108	23	reduce	reduce	VERB
fis-1950	108	24	the	the	DET
fis-1950	108	25	working	work	VERB
fis-1950	108	26	performance	performance	NOUN
fis-1950	108	27	of	of	ADP
fis-1950	108	28	hydraulic	hydraulic	ADJ
fis-1950	108	29	hammer	hammer	NOUN
fis-1950	108	30	with	with	ADP
fis-1950	108	31	horizontal	horizontal	ADJ
fis-1950	108	32	oriented	orient	VERB
fis-1950	108	33	sliders	slider	NOUN
fis-1950	108	34	.	.	PUNCT
fis-1950	109	1	thus	thus	ADV
fis-1950	109	2	the	the	DET
fis-1950	109	3	abrasion	abrasion	NOUN
fis-1950	109	4	between	between	ADP
fis-1950	109	5	horizontal	horizontal	ADJ
fis-1950	109	6	oriented	orient	VERB
fis-1950	109	7	sliders	slider	NOUN
fis-1950	109	8	and	and	CCONJ
fis-1950	109	9	external	external	ADJ
fis-1950	109	10	cylinder	cylinder	NOUN
fis-1950	109	11	has	have	AUX
fis-1950	109	12	been	be	AUX
fis-1950	109	13	increased	increase	VERB
fis-1950	109	14	while	while	SCONJ
fis-1950	109	15	the	the	DET
fis-1950	109	16	applied	apply	VERB
fis-1950	109	17	stress	stress	NOUN
fis-1950	109	18	of	of	ADP
fis-1950	109	19	oriented	orient	VERB
fis-1950	109	20	sliders	slider	NOUN
fis-1950	109	21	is	be	AUX
fis-1950	109	22	increasing	increase	VERB
fis-1950	109	23	.	.	PUNCT
fis-1950	110	1	therefore	therefore	ADV
fis-1950	110	2	,	,	PUNCT
fis-1950	110	3	the	the	DET
fis-1950	110	4	mass	mass	NOUN
fis-1950	110	5	of	of	ADP
fis-1950	110	6	anvil	anvil	NOUN
fis-1950	110	7	should	should	AUX
fis-1950	110	8	be	be	AUX
fis-1950	110	9	less	less	ADJ
fis-1950	110	10	than	than	ADP
fis-1950	110	11	100	100	NUM
fis-1950	110	12	kg	kg	NOUN
fis-1950	110	13	while	while	SCONJ
fis-1950	110	14	in	in	ADP
fis-1950	110	15	horizontal	horizontal	ADJ
fis-1950	110	16	directional	directional	ADJ
fis-1950	110	17	well	well	NOUN
fis-1950	110	18	drilling	drill	VERB
fis-1950	110	19	with	with	ADP
fis-1950	110	20	hydraulic	hydraulic	ADJ
fis-1950	110	21	hammer	hammer	NOUN
fis-1950	110	22	,	,	PUNCT
fis-1950	110	23	which	which	PRON
fis-1950	110	24	contributes	contribute	VERB
fis-1950	110	25	to	to	ADP
fis-1950	110	26	improvement	improvement	NOUN
fis-1950	110	27	and	and	CCONJ
fis-1950	110	28	optimization	optimization	NOUN
fis-1950	110	29	on	on	ADP
fis-1950	110	30	the	the	DET
fis-1950	110	31	design	design	NOUN
fis-1950	110	32	of	of	ADP
fis-1950	110	33	hydraulic	hydraulic	ADJ
fis-1950	110	34	hammer	hammer	NOUN
fis-1950	110	35	with	with	ADP
fis-1950	110	36	horizontal	horizontal	ADJ
fis-1950	110	37	oriented	orient	VERB
fis-1950	110	38	sliders	slider	NOUN
fis-1950	110	39	.	.	PUNCT
fis-1950	111	1	figure	figure	VERB
fis-1950	111	2	5	5	NUM
fis-1950	111	3	:	:	PUNCT
fis-1950	111	4	effect	effect	NOUN
fis-1950	111	5	of	of	ADP
fis-1950	111	6	anvil	anvil	ADJ
fis-1950	111	7	mass	mass	NOUN
fis-1950	111	8	on	on	ADP
fis-1950	111	9	the	the	DET
fis-1950	111	10	von	von	PROPN
fis-1950	111	11	-	-	PUNCT
fis-1950	111	12	mises	mises	PROPN
fis-1950	111	13	stress	stress	NOUN
fis-1950	111	14	of	of	ADP
fis-1950	111	15	hydraulic	hydraulic	ADJ
fis-1950	111	16	hammer	hammer	NOUN
fis-1950	111	17	with	with	ADP
fis-1950	111	18	horizontal	horizontal	ADJ
fis-1950	111	19	oriented	orient	VERB
fis-1950	111	20	sliders	slider	NOUN
fis-1950	111	21	.	.	PUNCT
fis-1950	112	1	meanwhile	meanwhile	ADV
fis-1950	112	2	,	,	PUNCT
fis-1950	112	3	the	the	DET
fis-1950	112	4	variation	variation	NOUN
fis-1950	112	5	of	of	ADP
fis-1950	112	6	anvil	anvil	ADJ
fis-1950	112	7	mass	mass	NOUN
fis-1950	112	8	on	on	ADP
fis-1950	112	9	the	the	DET
fis-1950	112	10	abrasion	abrasion	NOUN
fis-1950	112	11	property	property	NOUN
fis-1950	112	12	of	of	ADP
fis-1950	112	13	hydraulic	hydraulic	ADJ
fis-1950	112	14	hammer	hammer	NOUN
fis-1950	112	15	with	with	ADP
fis-1950	112	16	horizontal	horizontal	ADJ
fis-1950	112	17	oriented	orient	VERB
fis-1950	112	18	sliders	slider	NOUN
fis-1950	112	19	is	be	AUX
fis-1950	112	20	shown	show	VERB
fis-1950	112	21	as	as	ADP
fis-1950	112	22	fig	fig	NOUN
fis-1950	112	23	.	.	PUNCT
fis-1950	113	1	6	6	NUM
fis-1950	113	2	.	.	X
fis-1950	113	3	the	the	PRON
fis-1950	113	4	lighter	light	ADJ
fis-1950	113	5	the	the	DET
fis-1950	113	6	impact	impact	NOUN
fis-1950	113	7	hammer	hammer	NOUN
fis-1950	113	8	is	be	AUX
fis-1950	113	9	,	,	PUNCT
fis-1950	113	10	the	the	DET
fis-1950	113	11	abrasion	abrasion	NOUN
fis-1950	113	12	rate	rate	NOUN
fis-1950	113	13	of	of	ADP
fis-1950	113	14	oriented	orient	VERB
fis-1950	113	15	sliders	slider	NOUN
fis-1950	113	16	will	will	AUX
fis-1950	113	17	be	be	AUX
fis-1950	113	18	,	,	PUNCT
fis-1950	113	19	and	and	CCONJ
fis-1950	113	20	the	the	DET
fis-1950	113	21	service	service	NOUN
fis-1950	113	22	life	life	NOUN
fis-1950	113	23	of	of	ADP
fis-1950	113	24	hydraulic	hydraulic	ADJ
fis-1950	113	25	hammer	hammer	NOUN
fis-1950	113	26	with	with	ADP
fis-1950	113	27	horizontal	horizontal	ADJ
fis-1950	113	28	oriented	orient	VERB
fis-1950	113	29	sliders	slider	NOUN
fis-1950	113	30	will	will	AUX
fis-1950	113	31	be	be	AUX
fis-1950	113	32	longer	long	ADJ
fis-1950	113	33	.	.	PUNCT
fis-1950	114	1	it	it	PRON
fis-1950	114	2	can	can	AUX
fis-1950	114	3	be	be	AUX
fis-1950	114	4	concluded	conclude	VERB
fis-1950	114	5	that	that	SCONJ
fis-1950	114	6	the	the	DET
fis-1950	114	7	abrasion	abrasion	NOUN
fis-1950	114	8	rate	rate	NOUN
fis-1950	114	9	of	of	ADP
fis-1950	114	10	oriented	orient	VERB
fis-1950	114	11	sliders	slider	NOUN
fis-1950	114	12	is	be	AUX
fis-1950	114	13	approximately	approximately	ADV
fis-1950	114	14	exponentially	exponentially	ADV
fis-1950	114	15	increasing	increase	VERB
fis-1950	114	16	the	the	DET
fis-1950	114	17	augment	augment	NOUN
fis-1950	114	18	of	of	ADP
fis-1950	114	19	hammer	hammer	NOUN
fis-1950	114	20	mass	mass	PROPN
fis-1950	114	21	.	.	PUNCT
fis-1950	115	1	the	the	DET
fis-1950	115	2	maximum	maximum	ADJ
fis-1950	115	3	abrasion	abrasion	NOUN
fis-1950	115	4	rate	rate	NOUN
fis-1950	115	5	of	of	ADP
fis-1950	115	6	horizontal	horizontal	ADJ
fis-1950	115	7	oriented	orient	VERB
fis-1950	115	8	sliders	slider	NOUN
fis-1950	115	9	is	be	AUX
fis-1950	115	10	7.5‱	7.5‱	NUM
fis-1950	115	11	,	,	PUNCT
fis-1950	115	12	which	which	PRON
fis-1950	115	13	meets	meet	VERB
fis-1950	115	14	the	the	DET
fis-1950	115	15	requirements	requirement	NOUN
fis-1950	115	16	of	of	ADP
fis-1950	115	17	impact	impact	NOUN
fis-1950	115	18	energy	energy	NOUN
fis-1950	115	19	of	of	ADP
fis-1950	115	20	hydraulic	hydraulic	ADJ
fis-1950	115	21	hammer	hammer	NOUN
fis-1950	115	22	while	while	SCONJ
fis-1950	115	23	in	in	ADP
fis-1950	115	24	horizontal	horizontal	ADJ
fis-1950	115	25	j.-f	j.-f	NOUN
fis-1950	115	26	.	.	PUNCT
fis-1950	116	1	he	he	PRON
fis-1950	116	2	et	et	PROPN
fis-1950	116	3	alii	alii	PROPN
fis-1950	116	4	,	,	PUNCT
fis-1950	116	5	frattura	frattura	PROPN
fis-1950	116	6	ed	ed	PROPN
fis-1950	116	7	integrità	integrità	PROPN
fis-1950	116	8	strutturale	strutturale	PROPN
fis-1950	116	9	,	,	PUNCT
fis-1950	116	10	42	42	NUM
fis-1950	116	11	(	(	PUNCT
fis-1950	116	12	2017	2017	NUM
fis-1950	116	13	)	)	PUNCT
fis-1950	116	14	263	263	NUM
fis-1950	116	15	-	-	SYM
fis-1950	116	16	271	271	NUM
fis-1950	116	17	;	;	PUNCT
fis-1950	116	18	doi	doi	NOUN
fis-1950	116	19	:	:	PUNCT
fis-1950	116	20	10.3221	10.3221	NUM
fis-1950	116	21	/	/	SYM
fis-1950	116	22	igf	igf	PROPN
fis-1950	116	23	-	-	PUNCT
fis-1950	116	24	esis.42.28	esis.42.28	PROPN
fis-1950	116	25	269	269	NUM
fis-1950	116	26	directional	directional	ADJ
fis-1950	116	27	well	well	INTJ
fis-1950	116	28	drilling	drilling	NOUN
fis-1950	116	29	.	.	PUNCT
fis-1950	117	1	in	in	ADP
fis-1950	117	2	addition	addition	NOUN
fis-1950	117	3	,	,	PUNCT
fis-1950	117	4	the	the	DET
fis-1950	117	5	maximum	maximum	ADJ
fis-1950	117	6	abrasion	abrasion	NOUN
fis-1950	117	7	rate	rate	NOUN
fis-1950	117	8	deviation	deviation	NOUN
fis-1950	117	9	of	of	ADP
fis-1950	117	10	horizontal	horizontal	ADJ
fis-1950	117	11	oriented	orient	VERB
fis-1950	117	12	sliders	slider	NOUN
fis-1950	117	13	with	with	ADP
fis-1950	117	14	various	various	ADJ
fis-1950	117	15	mass	mass	NOUN
fis-1950	117	16	of	of	ADP
fis-1950	117	17	anvil	anvil	NOUN
fis-1950	117	18	is	be	AUX
fis-1950	117	19	less	less	ADJ
fis-1950	117	20	than	than	ADP
fis-1950	117	21	1‱	1‱	NUM
fis-1950	117	22	,	,	PUNCT
fis-1950	117	23	thus	thus	ADV
fis-1950	117	24	the	the	DET
fis-1950	117	25	effects	effect	NOUN
fis-1950	117	26	of	of	ADP
fis-1950	117	27	anvil	anvil	ADJ
fis-1950	117	28	mass	mass	NOUN
fis-1950	117	29	on	on	ADP
fis-1950	117	30	the	the	DET
fis-1950	117	31	abrasion	abrasion	NOUN
fis-1950	117	32	property	property	NOUN
fis-1950	117	33	of	of	ADP
fis-1950	117	34	the	the	DET
fis-1950	117	35	hydraulic	hydraulic	ADJ
fis-1950	117	36	hammer	hammer	NOUN
fis-1950	117	37	is	be	AUX
fis-1950	117	38	acceptable	acceptable	ADJ
fis-1950	117	39	.	.	PUNCT
fis-1950	118	1	figure	figure	VERB
fis-1950	118	2	6	6	NUM
fis-1950	118	3	:	:	PUNCT
fis-1950	118	4	variation	variation	NOUN
fis-1950	118	5	of	of	ADP
fis-1950	118	6	anvil	anvil	ADJ
fis-1950	118	7	mass	mass	NOUN
fis-1950	118	8	on	on	ADP
fis-1950	118	9	the	the	DET
fis-1950	118	10	abrasion	abrasion	NOUN
fis-1950	118	11	property	property	NOUN
fis-1950	118	12	of	of	ADP
fis-1950	118	13	hydraulic	hydraulic	ADJ
fis-1950	118	14	hammer	hammer	NOUN
fis-1950	118	15	with	with	ADP
fis-1950	118	16	horizontal	horizontal	ADJ
fis-1950	118	17	oriented	orient	VERB
fis-1950	118	18	sliders	slider	NOUN
fis-1950	118	19	.	.	PUNCT
fis-1950	119	1	effects	effect	NOUN
fis-1950	119	2	of	of	ADP
fis-1950	119	3	moving	move	VERB
fis-1950	119	4	velocity	velocity	NOUN
fis-1950	119	5	of	of	ADP
fis-1950	119	6	the	the	DET
fis-1950	119	7	anvil	anvil	NOUN
fis-1950	119	8	on	on	ADP
fis-1950	119	9	abrasion	abrasion	NOUN
fis-1950	119	10	property	property	NOUN
fis-1950	119	11	of	of	ADP
fis-1950	119	12	horizontal	horizontal	ADJ
fis-1950	119	13	oriented	orient	VERB
fis-1950	119	14	sliders	slider	NOUN
fis-1950	119	15	as	as	SCONJ
fis-1950	119	16	shown	show	VERB
fis-1950	119	17	is	be	AUX
fis-1950	119	18	fig	fig	NOUN
fis-1950	119	19	.	.	PUNCT
fis-1950	120	1	7	7	NUM
fis-1950	120	2	,	,	PUNCT
fis-1950	120	3	the	the	DET
fis-1950	120	4	abrasion	abrasion	NOUN
fis-1950	120	5	property	property	NOUN
fis-1950	120	6	of	of	ADP
fis-1950	120	7	a	a	DET
fis-1950	120	8	horizontal	horizontal	ADJ
fis-1950	120	9	oriented	orient	VERB
fis-1950	120	10	slider	slider	NOUN
fis-1950	120	11	is	be	AUX
fis-1950	120	12	affected	affect	VERB
fis-1950	120	13	by	by	ADP
fis-1950	120	14	the	the	DET
fis-1950	120	15	moving	move	VERB
fis-1950	120	16	velocity	velocity	NOUN
fis-1950	120	17	of	of	ADP
fis-1950	120	18	the	the	DET
fis-1950	120	19	anvil	anvil	NOUN
fis-1950	120	20	,	,	PUNCT
fis-1950	120	21	which	which	PRON
fis-1950	120	22	is	be	AUX
fis-1950	120	23	corresponding	correspond	VERB
fis-1950	120	24	to	to	ADP
fis-1950	120	25	the	the	DET
fis-1950	120	26	specification	specification	NOUN
fis-1950	120	27	of	of	ADP
fis-1950	120	28	impact	impact	NOUN
fis-1950	120	29	energy	energy	NOUN
fis-1950	120	30	of	of	ADP
fis-1950	120	31	hydraulic	hydraulic	ADJ
fis-1950	120	32	hammer	hammer	NOUN
fis-1950	120	33	.	.	PUNCT
fis-1950	121	1	it	it	PRON
fis-1950	121	2	can	can	AUX
fis-1950	121	3	be	be	AUX
fis-1950	121	4	concluded	conclude	VERB
fis-1950	121	5	that	that	SCONJ
fis-1950	121	6	the	the	DET
fis-1950	121	7	abrasion	abrasion	NOUN
fis-1950	121	8	rate	rate	NOUN
fis-1950	121	9	of	of	ADP
fis-1950	121	10	a	a	DET
fis-1950	121	11	hydraulic	hydraulic	ADJ
fis-1950	121	12	hammer	hammer	NOUN
fis-1950	121	13	with	with	ADP
fis-1950	121	14	horizontal	horizontal	ADJ
fis-1950	121	15	oriented	orient	VERB
fis-1950	121	16	sliders	slider	NOUN
fis-1950	121	17	is	be	AUX
fis-1950	121	18	almost	almost	ADV
fis-1950	121	19	logarithmically	logarithmically	ADV
fis-1950	121	20	varies	vary	VERB
fis-1950	121	21	with	with	ADP
fis-1950	121	22	the	the	DET
fis-1950	121	23	moving	move	VERB
fis-1950	121	24	velocity	velocity	NOUN
fis-1950	121	25	of	of	ADP
fis-1950	121	26	the	the	DET
fis-1950	121	27	anvil	anvil	NOUN
fis-1950	121	28	.	.	PUNCT
fis-1950	122	1	while	while	SCONJ
fis-1950	122	2	the	the	DET
fis-1950	122	3	moving	move	VERB
fis-1950	122	4	velocity	velocity	NOUN
fis-1950	122	5	of	of	ADP
fis-1950	122	6	the	the	DET
fis-1950	122	7	anvil	anvil	ADJ
fis-1950	122	8	and	and	CCONJ
fis-1950	122	9	horizontal	horizontal	ADJ
fis-1950	122	10	oriented	orient	VERB
fis-1950	122	11	slider	slider	NOUN
fis-1950	122	12	is	be	AUX
fis-1950	122	13	1	1	NUM
fis-1950	122	14	m/s	m/s	PROPN
fis-1950	122	15	,	,	PUNCT
fis-1950	122	16	the	the	DET
fis-1950	122	17	minimum	minimum	ADJ
fis-1950	122	18	abrasion	abrasion	NOUN
fis-1950	122	19	rate	rate	NOUN
fis-1950	122	20	of	of	ADP
fis-1950	122	21	oriented	orient	VERB
fis-1950	122	22	slider	slider	NOUN
fis-1950	122	23	is	be	AUX
fis-1950	122	24	nearly	nearly	ADV
fis-1950	122	25	1.8	1.8	NUM
fis-1950	122	26	%	%	NOUN
fis-1950	122	27	.	.	PUNCT
fis-1950	123	1	the	the	DET
fis-1950	123	2	abrasion	abrasion	NOUN
fis-1950	123	3	rate	rate	NOUN
fis-1950	123	4	of	of	ADP
fis-1950	123	5	horizontal	horizontal	ADJ
fis-1950	123	6	oriented	orient	VERB
fis-1950	123	7	slider	slider	NOUN
fis-1950	123	8	sharply	sharply	ADV
fis-1950	123	9	varies	vary	VERB
fis-1950	123	10	with	with	ADP
fis-1950	123	11	the	the	DET
fis-1950	123	12	increase	increase	NOUN
fis-1950	123	13	of	of	ADP
fis-1950	123	14	moving	move	VERB
fis-1950	123	15	velocity	velocity	NOUN
fis-1950	123	16	.	.	PUNCT
fis-1950	124	1	while	while	SCONJ
fis-1950	124	2	the	the	DET
fis-1950	124	3	moving	move	VERB
fis-1950	124	4	velocity	velocity	NOUN
fis-1950	124	5	of	of	ADP
fis-1950	124	6	the	the	DET
fis-1950	124	7	anvil	anvil	NOUN
fis-1950	124	8	and	and	CCONJ
fis-1950	124	9	oriented	orient	VERB
fis-1950	124	10	slider	slider	NOUN
fis-1950	124	11	exceeds	exceed	VERB
fis-1950	124	12	3	3	NUM
fis-1950	124	13	m/s	m/s	PROPN
fis-1950	124	14	,	,	PUNCT
fis-1950	124	15	the	the	DET
fis-1950	124	16	maximum	maximum	ADJ
fis-1950	124	17	abrasion	abrasion	NOUN
fis-1950	124	18	rate	rate	NOUN
fis-1950	124	19	of	of	ADP
fis-1950	124	20	horizontal	horizontal	ADJ
fis-1950	124	21	oriented	orient	VERB
fis-1950	124	22	sliders	slider	NOUN
fis-1950	124	23	will	will	AUX
fis-1950	124	24	be	be	AUX
fis-1950	124	25	up	up	ADP
fis-1950	124	26	to	to	PART
fis-1950	124	27	4	4	NUM
fis-1950	124	28	%	%	NOUN
fis-1950	124	29	,	,	PUNCT
fis-1950	124	30	which	which	PRON
fis-1950	124	31	would	would	AUX
fis-1950	124	32	have	have	VERB
fis-1950	124	33	a	a	DET
fis-1950	124	34	significant	significant	ADJ
fis-1950	124	35	effect	effect	NOUN
fis-1950	124	36	on	on	ADP
fis-1950	124	37	the	the	DET
fis-1950	124	38	service	service	NOUN
fis-1950	124	39	life	life	NOUN
fis-1950	124	40	of	of	ADP
fis-1950	124	41	hydraulic	hydraulic	ADJ
fis-1950	124	42	hammers	hammer	NOUN
fis-1950	124	43	with	with	ADP
fis-1950	124	44	horizontal	horizontal	ADJ
fis-1950	124	45	oriented	orient	VERB
fis-1950	124	46	sliders	slider	NOUN
fis-1950	124	47	.	.	PUNCT
fis-1950	125	1	figure	figure	VERB
fis-1950	125	2	7	7	NUM
fis-1950	125	3	:	:	PUNCT
fis-1950	125	4	variation	variation	NOUN
fis-1950	125	5	of	of	ADP
fis-1950	125	6	moving	move	VERB
fis-1950	125	7	velocity	velocity	NOUN
fis-1950	125	8	on	on	ADP
fis-1950	125	9	the	the	DET
fis-1950	125	10	abrasion	abrasion	NOUN
fis-1950	125	11	property	property	NOUN
fis-1950	125	12	of	of	ADP
fis-1950	125	13	hydraulic	hydraulic	ADJ
fis-1950	125	14	hammer	hammer	NOUN
fis-1950	125	15	with	with	ADP
fis-1950	125	16	horizontal	horizontal	ADJ
fis-1950	125	17	oriented	orient	VERB
fis-1950	125	18	sliders	slider	NOUN
fis-1950	125	19	.	.	PUNCT
fis-1950	126	1	the	the	DET
fis-1950	126	2	actual	actual	ADJ
fis-1950	126	3	simulation	simulation	NOUN
fis-1950	126	4	results	result	NOUN
fis-1950	126	5	are	be	AUX
fis-1950	126	6	slightly	slightly	ADV
fis-1950	126	7	different	different	ADJ
fis-1950	126	8	with	with	ADP
fis-1950	126	9	the	the	DET
fis-1950	126	10	fitted	fit	VERB
fis-1950	126	11	abrasion	abrasion	NOUN
fis-1950	126	12	rates	rate	NOUN
fis-1950	126	13	.	.	PUNCT
fis-1950	127	1	the	the	DET
fis-1950	127	2	maximum	maximum	ADJ
fis-1950	127	3	deviation	deviation	NOUN
fis-1950	127	4	between	between	ADP
fis-1950	127	5	simulation	simulation	NOUN
fis-1950	127	6	results	result	NOUN
fis-1950	127	7	and	and	CCONJ
fis-1950	127	8	the	the	DET
fis-1950	127	9	logarithmically	logarithmically	ADV
fis-1950	127	10	fitted	fit	VERB
fis-1950	127	11	abrasion	abrasion	NOUN
fis-1950	127	12	rate	rate	NOUN
fis-1950	127	13	is	be	AUX
fis-1950	127	14	less	less	ADJ
fis-1950	127	15	than	than	ADP
fis-1950	127	16	2	2	NUM
fis-1950	127	17	%	%	NOUN
fis-1950	127	18	,	,	PUNCT
fis-1950	127	19	which	which	PRON
fis-1950	127	20	is	be	AUX
fis-1950	127	21	tolerable	tolerable	ADJ
fis-1950	127	22	in	in	ADP
fis-1950	127	23	real	real	ADJ
fis-1950	127	24	time	time	NOUN
fis-1950	127	25	operation	operation	NOUN
fis-1950	127	26	of	of	ADP
fis-1950	127	27	hydraulic	hydraulic	ADJ
fis-1950	127	28	hammers	hammer	NOUN
fis-1950	127	29	with	with	ADP
fis-1950	127	30	horizontal	horizontal	ADJ
fis-1950	127	31	oriented	orient	VERB
fis-1950	127	32	sliders	slider	NOUN
fis-1950	127	33	.	.	PUNCT
fis-1950	128	1	meanwhile	meanwhile	ADV
fis-1950	128	2	,	,	PUNCT
fis-1950	128	3	the	the	DET
fis-1950	128	4	abrasion	abrasion	NOUN
fis-1950	128	5	rate	rate	NOUN
fis-1950	128	6	of	of	ADP
fis-1950	128	7	horizontal	horizontal	ADJ
fis-1950	128	8	oriented	orient	VERB
fis-1950	128	9	sliders	slider	NOUN
fis-1950	128	10	is	be	AUX
fis-1950	128	11	smaller	small	ADJ
fis-1950	128	12	,	,	PUNCT
fis-1950	128	13	j.-f	j.-f	NOUN
fis-1950	128	14	.	.	PUNCT
fis-1950	129	1	he	he	PRON
fis-1950	129	2	et	et	PROPN
fis-1950	129	3	alii	alii	PROPN
fis-1950	129	4	,	,	PUNCT
fis-1950	129	5	frattura	frattura	PROPN
fis-1950	129	6	ed	ed	PROPN
fis-1950	129	7	integrità	integrità	PROPN
fis-1950	129	8	strutturale	strutturale	PROPN
fis-1950	129	9	,	,	PUNCT
fis-1950	129	10	42	42	NUM
fis-1950	129	11	(	(	PUNCT
fis-1950	129	12	2017	2017	NUM
fis-1950	129	13	)	)	PUNCT
fis-1950	129	14	263	263	NUM
fis-1950	129	15	-	-	SYM
fis-1950	129	16	271	271	NUM
fis-1950	129	17	;	;	PUNCT
fis-1950	129	18	doi	doi	NOUN
fis-1950	129	19	:	:	PUNCT
fis-1950	129	20	10.3221	10.3221	NUM
fis-1950	129	21	/	/	SYM
fis-1950	129	22	igf	igf	PROPN
fis-1950	129	23	-	-	PUNCT
fis-1950	129	24	esis.42.28	esis.42.28	PROPN
fis-1950	129	25	270	270	NUM
fis-1950	129	26	the	the	DET
fis-1950	129	27	longer	long	ADJ
fis-1950	129	28	service	service	NOUN
fis-1950	129	29	life	life	NOUN
fis-1950	129	30	of	of	ADP
fis-1950	129	31	the	the	DET
fis-1950	129	32	hydraulic	hydraulic	ADJ
fis-1950	129	33	hammer	hammer	NOUN
fis-1950	129	34	will	will	AUX
fis-1950	129	35	be	be	AUX
fis-1950	129	36	.	.	PUNCT
fis-1950	130	1	in	in	ADP
fis-1950	130	2	order	order	NOUN
fis-1950	130	3	to	to	PART
fis-1950	130	4	improve	improve	VERB
fis-1950	130	5	the	the	DET
fis-1950	130	6	service	service	NOUN
fis-1950	130	7	life	life	NOUN
fis-1950	130	8	of	of	ADP
fis-1950	130	9	hydraulic	hydraulic	ADJ
fis-1950	130	10	hammer	hammer	NOUN
fis-1950	130	11	with	with	ADP
fis-1950	130	12	horizontal	horizontal	ADJ
fis-1950	130	13	oriented	orient	VERB
fis-1950	130	14	sliders	slider	NOUN
fis-1950	130	15	,	,	PUNCT
fis-1950	130	16	the	the	DET
fis-1950	130	17	moving	move	VERB
fis-1950	130	18	velocity	velocity	NOUN
fis-1950	130	19	of	of	ADP
fis-1950	130	20	the	the	DET
fis-1950	130	21	anvil	anvil	NOUN
fis-1950	130	22	should	should	AUX
fis-1950	130	23	be	be	AUX
fis-1950	130	24	less	less	ADJ
fis-1950	130	25	than	than	ADP
fis-1950	130	26	4	4	NUM
fis-1950	130	27	m/s	m/s	NUM
fis-1950	130	28	,	,	PUNCT
fis-1950	130	29	thus	thus	ADV
fis-1950	130	30	the	the	DET
fis-1950	130	31	abrasion	abrasion	NOUN
fis-1950	130	32	rate	rate	NOUN
fis-1950	130	33	of	of	ADP
fis-1950	130	34	oriented	orient	VERB
fis-1950	130	35	sliders	slider	NOUN
fis-1950	130	36	in	in	ADP
fis-1950	130	37	horizontal	horizontal	ADJ
fis-1950	130	38	directional	directional	ADJ
fis-1950	130	39	or	or	CCONJ
fis-1950	130	40	vertical	vertical	ADJ
fis-1950	130	41	well	well	INTJ
fis-1950	130	42	drilling	drilling	NOUN
fis-1950	130	43	is	be	AUX
fis-1950	130	44	acceptable	acceptable	ADJ
fis-1950	130	45	.	.	PUNCT
fis-1950	131	1	according	accord	VERB
fis-1950	131	2	to	to	ADP
fis-1950	131	3	the	the	DET
fis-1950	131	4	filed	file	VERB
fis-1950	131	5	application	application	NOUN
fis-1950	131	6	results	result	NOUN
fis-1950	131	7	of	of	ADP
fis-1950	131	8	the	the	DET
fis-1950	131	9	hydraulic	hydraulic	ADJ
fis-1950	131	10	hammer	hammer	NOUN
fis-1950	131	11	with	with	ADP
fis-1950	131	12	horizontal	horizontal	ADJ
fis-1950	131	13	oriented	orient	VERB
fis-1950	131	14	sliders	slider	NOUN
fis-1950	131	15	,	,	PUNCT
fis-1950	131	16	the	the	DET
fis-1950	131	17	abrasion	abrasion	NOUN
fis-1950	131	18	of	of	ADP
fis-1950	131	19	the	the	DET
fis-1950	131	20	anvil	anvil	NOUN
fis-1950	131	21	inside	inside	ADP
fis-1950	131	22	the	the	DET
fis-1950	131	23	hydraulic	hydraulic	ADJ
fis-1950	131	24	hammer	hammer	NOUN
fis-1950	131	25	will	will	AUX
fis-1950	131	26	be	be	AUX
fis-1950	131	27	dramatically	dramatically	ADV
fis-1950	131	28	aggravated	aggravate	VERB
fis-1950	131	29	while	while	SCONJ
fis-1950	131	30	the	the	DET
fis-1950	131	31	moving	move	VERB
fis-1950	131	32	velocity	velocity	NOUN
fis-1950	131	33	of	of	ADP
fis-1950	131	34	the	the	DET
fis-1950	131	35	anvil	anvil	NOUN
fis-1950	131	36	exceeds	exceed	VERB
fis-1950	131	37	3	3	NUM
fis-1950	131	38	m/s	m/s	NOUN
fis-1950	131	39	[	[	X
fis-1950	131	40	19	19	NUM
fis-1950	131	41	]	]	PUNCT
fis-1950	131	42	.	.	PUNCT
fis-1950	132	1	thereby	thereby	ADV
fis-1950	132	2	the	the	DET
fis-1950	132	3	simulation	simulation	NOUN
fis-1950	132	4	results	result	NOUN
fis-1950	132	5	have	have	AUX
fis-1950	132	6	shown	show	VERB
fis-1950	132	7	extraordinary	extraordinary	ADJ
fis-1950	132	8	agreements	agreement	NOUN
fis-1950	132	9	with	with	ADP
fis-1950	132	10	the	the	DET
fis-1950	132	11	actual	actual	ADJ
fis-1950	132	12	cases	case	NOUN
fis-1950	132	13	of	of	ADP
fis-1950	132	14	hydraulic	hydraulic	ADJ
fis-1950	132	15	hammer	hammer	NOUN
fis-1950	132	16	in	in	ADP
fis-1950	132	17	directional	directional	ADJ
fis-1950	132	18	well	well	ADJ
fis-1950	132	19	drilling	drilling	NOUN
fis-1950	132	20	.	.	PUNCT
fis-1950	133	1	it	it	PRON
fis-1950	133	2	can	can	AUX
fis-1950	133	3	be	be	AUX
fis-1950	133	4	suggested	suggest	VERB
fis-1950	133	5	that	that	SCONJ
fis-1950	133	6	the	the	DET
fis-1950	133	7	moving	move	VERB
fis-1950	133	8	velocity	velocity	NOUN
fis-1950	133	9	of	of	ADP
fis-1950	133	10	the	the	DET
fis-1950	133	11	anvil	anvil	NOUN
fis-1950	133	12	with	with	ADP
fis-1950	133	13	horizontal	horizontal	ADJ
fis-1950	133	14	oriented	orient	VERB
fis-1950	133	15	sliders	slider	NOUN
fis-1950	133	16	should	should	AUX
fis-1950	133	17	be	be	AUX
fis-1950	133	18	significantly	significantly	ADV
fis-1950	133	19	controlled	control	VERB
fis-1950	133	20	in	in	ADP
fis-1950	133	21	horizontal	horizontal	ADJ
fis-1950	133	22	directional	directional	ADJ
fis-1950	133	23	well	well	PROPN
fis-1950	133	24	drilling	drilling	NOUN
fis-1950	133	25	,	,	PUNCT
fis-1950	133	26	which	which	PRON
fis-1950	133	27	contributes	contribute	VERB
fis-1950	133	28	to	to	ADP
fis-1950	133	29	the	the	DET
fis-1950	133	30	improvement	improvement	NOUN
fis-1950	133	31	of	of	ADP
fis-1950	133	32	service	service	NOUN
fis-1950	133	33	life	life	NOUN
fis-1950	133	34	of	of	ADP
fis-1950	133	35	hydraulic	hydraulic	ADJ
fis-1950	133	36	hammer	hammer	NOUN
fis-1950	133	37	with	with	ADP
fis-1950	133	38	horizontal	horizontal	ADJ
fis-1950	133	39	oriented	orient	VERB
fis-1950	133	40	sliders	slider	NOUN
fis-1950	133	41	.	.	PUNCT
fis-1950	134	1	effects	effect	NOUN
fis-1950	134	2	of	of	ADP
fis-1950	134	3	friction	friction	NOUN
fis-1950	134	4	coefficient	coefficient	NOUN
fis-1950	134	5	on	on	ADP
fis-1950	134	6	the	the	DET
fis-1950	134	7	abrasion	abrasion	NOUN
fis-1950	134	8	property	property	NOUN
fis-1950	134	9	of	of	ADP
fis-1950	134	10	horizontal	horizontal	ADJ
fis-1950	134	11	oriented	orient	VERB
fis-1950	134	12	sliders	slider	NOUN
fis-1950	134	13	the	the	DET
fis-1950	134	14	effect	effect	NOUN
fis-1950	134	15	of	of	ADP
fis-1950	134	16	friction	friction	NOUN
fis-1950	134	17	coefficient	coefficient	NOUN
fis-1950	134	18	of	of	ADP
fis-1950	134	19	the	the	DET
fis-1950	134	20	anvil	anvil	NOUN
fis-1950	134	21	on	on	ADP
fis-1950	134	22	abrasion	abrasion	NOUN
fis-1950	134	23	rate	rate	NOUN
fis-1950	134	24	of	of	ADP
fis-1950	134	25	horizontal	horizontal	ADJ
fis-1950	134	26	oriented	orient	VERB
fis-1950	134	27	slider	slider	NOUN
fis-1950	134	28	has	have	AUX
fis-1950	134	29	been	be	AUX
fis-1950	134	30	numerically	numerically	ADV
fis-1950	134	31	analyzed	analyze	VERB
fis-1950	134	32	by	by	ADP
fis-1950	134	33	fea	fea	PROPN
fis-1950	134	34	method	method	NOUN
fis-1950	134	35	.	.	PUNCT
fis-1950	135	1	as	as	SCONJ
fis-1950	135	2	shown	show	VERB
fis-1950	135	3	in	in	ADP
fis-1950	135	4	fig	fig	NOUN
fis-1950	135	5	.	.	PUNCT
fis-1950	136	1	8	8	NUM
fis-1950	136	2	,	,	PUNCT
fis-1950	136	3	it	it	PRON
fis-1950	136	4	can	can	AUX
fis-1950	136	5	be	be	AUX
fis-1950	136	6	concluded	conclude	VERB
fis-1950	136	7	that	that	SCONJ
fis-1950	136	8	abrasion	abrasion	NOUN
fis-1950	136	9	rate	rate	NOUN
fis-1950	136	10	of	of	ADP
fis-1950	136	11	oriented	orient	VERB
fis-1950	136	12	sliders	slider	NOUN
fis-1950	136	13	is	be	AUX
fis-1950	136	14	approximately	approximately	ADV
fis-1950	136	15	exponentially	exponentially	ADV
fis-1950	136	16	increases	increase	NOUN
fis-1950	136	17	with	with	ADP
fis-1950	136	18	the	the	DET
fis-1950	136	19	friction	friction	NOUN
fis-1950	136	20	coefficient	coefficient	NOUN
fis-1950	136	21	of	of	ADP
fis-1950	136	22	oriented	orient	VERB
fis-1950	136	23	sliders	slider	NOUN
fis-1950	136	24	.	.	PUNCT
fis-1950	137	1	while	while	SCONJ
fis-1950	137	2	the	the	DET
fis-1950	137	3	friction	friction	NOUN
fis-1950	137	4	coefficient	coefficient	NOUN
fis-1950	137	5	between	between	ADP
fis-1950	137	6	oriented	orient	VERB
fis-1950	137	7	sliders	slider	NOUN
fis-1950	137	8	and	and	CCONJ
fis-1950	137	9	external	external	ADJ
fis-1950	137	10	cylinder	cylinder	NOUN
fis-1950	137	11	exceeds	exceed	VERB
fis-1950	137	12	0.2	0.2	NUM
fis-1950	137	13	,	,	PUNCT
fis-1950	137	14	the	the	DET
fis-1950	137	15	maximum	maximum	ADJ
fis-1950	137	16	abrasion	abrasion	NOUN
fis-1950	137	17	rate	rate	NOUN
fis-1950	137	18	of	of	ADP
fis-1950	137	19	oriented	orient	VERB
fis-1950	137	20	slider	slider	NOUN
fis-1950	137	21	will	will	AUX
fis-1950	137	22	be	be	AUX
fis-1950	137	23	up	up	ADP
fis-1950	137	24	to	to	PART
fis-1950	137	25	16.5	16.5	NUM
fis-1950	137	26	%	%	NOUN
fis-1950	137	27	,	,	PUNCT
fis-1950	137	28	which	which	PRON
fis-1950	137	29	seriously	seriously	ADV
fis-1950	137	30	reduce	reduce	VERB
fis-1950	137	31	the	the	DET
fis-1950	137	32	service	service	NOUN
fis-1950	137	33	life	life	NOUN
fis-1950	137	34	of	of	ADP
fis-1950	137	35	hydraulic	hydraulic	ADJ
fis-1950	137	36	hammers	hammer	NOUN
fis-1950	137	37	in	in	ADP
fis-1950	137	38	horizontal	horizontal	ADJ
fis-1950	137	39	directional	directional	ADJ
fis-1950	137	40	well	well	ADJ
fis-1950	137	41	drilling	drilling	NOUN
fis-1950	137	42	.	.	PUNCT
fis-1950	138	1	while	while	SCONJ
fis-1950	138	2	the	the	DET
fis-1950	138	3	friction	friction	NOUN
fis-1950	138	4	coefficient	coefficient	NOUN
fis-1950	138	5	of	of	ADP
fis-1950	138	6	horizontal	horizontal	ADJ
fis-1950	138	7	oriented	orient	VERB
fis-1950	138	8	sliders	slider	NOUN
fis-1950	138	9	is	be	AUX
fis-1950	138	10	less	less	ADJ
fis-1950	138	11	than	than	ADP
fis-1950	138	12	0.05	0.05	NUM
fis-1950	138	13	,	,	PUNCT
fis-1950	138	14	the	the	DET
fis-1950	138	15	minimum	minimum	ADJ
fis-1950	138	16	abrasion	abrasion	NOUN
fis-1950	138	17	rate	rate	NOUN
fis-1950	138	18	of	of	ADP
fis-1950	138	19	oriented	orient	VERB
fis-1950	138	20	sliders	slider	NOUN
fis-1950	138	21	is	be	AUX
fis-1950	138	22	much	much	ADV
fis-1950	138	23	more	more	ADV
fis-1950	138	24	considerable	considerable	ADJ
fis-1950	138	25	.	.	PUNCT
fis-1950	139	1	therefore	therefore	ADV
fis-1950	139	2	the	the	DET
fis-1950	139	3	design	design	NOUN
fis-1950	139	4	of	of	ADP
fis-1950	139	5	hydraulic	hydraulic	ADJ
fis-1950	139	6	hammers	hammer	NOUN
fis-1950	139	7	with	with	ADP
fis-1950	139	8	oriented	orient	VERB
fis-1950	139	9	sliders	slider	NOUN
fis-1950	139	10	is	be	AUX
fis-1950	139	11	qualified	qualified	ADJ
fis-1950	139	12	due	due	ADP
fis-1950	139	13	to	to	ADP
fis-1950	139	14	the	the	DET
fis-1950	139	15	friction	friction	NOUN
fis-1950	139	16	coefficient	coefficient	NOUN
fis-1950	139	17	of	of	ADP
fis-1950	139	18	ptfe	ptfe	NOUN
fis-1950	139	19	with	with	ADP
fis-1950	139	20	carbon	carbon	NOUN
fis-1950	139	21	fiber	fiber	NOUN
fis-1950	139	22	is	be	AUX
fis-1950	139	23	0.02	0.02	NUM
fis-1950	139	24	.	.	PUNCT
fis-1950	140	1	figure	figure	NOUN
fis-1950	140	2	8	8	NUM
fis-1950	140	3	:	:	PUNCT
fis-1950	140	4	variation	variation	NOUN
fis-1950	140	5	of	of	ADP
fis-1950	140	6	friction	friction	NOUN
fis-1950	140	7	coefficient	coefficient	NOUN
fis-1950	140	8	on	on	ADP
fis-1950	140	9	the	the	DET
fis-1950	140	10	abrasion	abrasion	NOUN
fis-1950	140	11	property	property	NOUN
fis-1950	140	12	of	of	ADP
fis-1950	140	13	hydraulic	hydraulic	ADJ
fis-1950	140	14	hammer	hammer	NOUN
fis-1950	140	15	with	with	ADP
fis-1950	140	16	horizontal	horizontal	ADJ
fis-1950	140	17	oriented	orient	VERB
fis-1950	140	18	sliders	slider	NOUN
fis-1950	140	19	.	.	PUNCT
fis-1950	141	1	the	the	DET
fis-1950	141	2	service	service	NOUN
fis-1950	141	3	life	life	NOUN
fis-1950	141	4	of	of	ADP
fis-1950	141	5	hydraulic	hydraulic	ADJ
fis-1950	141	6	hammers	hammer	NOUN
fis-1950	141	7	is	be	AUX
fis-1950	141	8	severely	severely	ADV
fis-1950	141	9	influenced	influence	VERB
fis-1950	141	10	by	by	ADP
fis-1950	141	11	friction	friction	NOUN
fis-1950	141	12	coefficient	coefficient	NOUN
fis-1950	141	13	of	of	ADP
fis-1950	141	14	oriented	orient	VERB
fis-1950	141	15	sliders	slider	NOUN
fis-1950	141	16	in	in	ADP
fis-1950	141	17	horizontal	horizontal	ADJ
fis-1950	141	18	directional	directional	ADJ
fis-1950	141	19	well	well	ADJ
fis-1950	141	20	drilling	drilling	NOUN
fis-1950	141	21	.	.	PUNCT
fis-1950	142	1	once	once	ADV
fis-1950	142	2	the	the	DET
fis-1950	142	3	horizontal	horizontal	ADJ
fis-1950	142	4	oriented	orient	VERB
fis-1950	142	5	sliders	slider	NOUN
fis-1950	142	6	are	be	AUX
fis-1950	142	7	abraded	abrade	VERB
fis-1950	142	8	,	,	PUNCT
fis-1950	142	9	the	the	DET
fis-1950	142	10	horizontal	horizontal	ADJ
fis-1950	142	11	alignment	alignment	NOUN
fis-1950	142	12	among	among	ADP
fis-1950	142	13	piston	piston	NOUN
fis-1950	142	14	,	,	PUNCT
fis-1950	142	15	the	the	DET
fis-1950	142	16	anvil	anvil	ADJ
fis-1950	142	17	and	and	CCONJ
fis-1950	142	18	oriented	orient	VERB
fis-1950	142	19	sliders	slider	NOUN
fis-1950	142	20	will	will	AUX
fis-1950	142	21	be	be	AUX
fis-1950	142	22	damaged	damage	VERB
fis-1950	142	23	,	,	PUNCT
fis-1950	142	24	which	which	PRON
fis-1950	142	25	will	will	AUX
fis-1950	142	26	lead	lead	VERB
fis-1950	142	27	to	to	ADP
fis-1950	142	28	the	the	DET
fis-1950	142	29	failure	failure	NOUN
fis-1950	142	30	of	of	ADP
fis-1950	142	31	hydraulic	hydraulic	ADJ
fis-1950	142	32	hammer	hammer	NOUN
fis-1950	142	33	with	with	ADP
fis-1950	142	34	oriented	orient	VERB
fis-1950	142	35	sliders	slider	NOUN
fis-1950	142	36	in	in	ADP
fis-1950	142	37	horizontal	horizontal	ADJ
fis-1950	142	38	direction	direction	NOUN
fis-1950	142	39	well	well	INTJ
fis-1950	142	40	drilling	drilling	NOUN
fis-1950	142	41	.	.	PUNCT
fis-1950	143	1	thereby	thereby	ADV
fis-1950	143	2	the	the	DET
fis-1950	143	3	friction	friction	NOUN
fis-1950	143	4	coefficient	coefficient	NOUN
fis-1950	143	5	of	of	ADP
fis-1950	143	6	horizontal	horizontal	ADJ
fis-1950	143	7	oriented	orient	VERB
fis-1950	143	8	sliders	slider	NOUN
fis-1950	143	9	must	must	AUX
fis-1950	143	10	be	be	AUX
fis-1950	143	11	controlled	control	VERB
fis-1950	143	12	in	in	ADP
fis-1950	143	13	order	order	NOUN
fis-1950	143	14	to	to	PART
fis-1950	143	15	reduce	reduce	VERB
fis-1950	143	16	the	the	DET
fis-1950	143	17	abrasion	abrasion	NOUN
fis-1950	143	18	rate	rate	NOUN
fis-1950	143	19	of	of	ADP
fis-1950	143	20	hydraulic	hydraulic	ADJ
fis-1950	143	21	hammer	hammer	NOUN
fis-1950	143	22	with	with	ADP
fis-1950	143	23	horizontal	horizontal	ADJ
fis-1950	143	24	oriented	orient	VERB
fis-1950	143	25	sliders	slider	NOUN
fis-1950	143	26	.	.	PUNCT
fis-1950	144	1	conclusions	conclusion	NOUN
fis-1950	144	2	have	have	AUX
fis-1950	144	3	been	be	AUX
fis-1950	144	4	drawn	draw	VERB
fis-1950	144	5	that	that	SCONJ
fis-1950	144	6	the	the	DET
fis-1950	144	7	friction	friction	NOUN
fis-1950	144	8	coefficient	coefficient	NOUN
fis-1950	144	9	of	of	ADP
fis-1950	144	10	oriented	orient	VERB
fis-1950	144	11	sliders	slider	NOUN
fis-1950	144	12	should	should	AUX
fis-1950	144	13	be	be	AUX
fis-1950	144	14	less	less	ADJ
fis-1950	144	15	than	than	ADP
fis-1950	144	16	0.2	0.2	NUM
fis-1950	144	17	in	in	ADP
fis-1950	144	18	order	order	NOUN
fis-1950	144	19	to	to	PART
fis-1950	144	20	improve	improve	VERB
fis-1950	144	21	the	the	DET
fis-1950	144	22	service	service	NOUN
fis-1950	144	23	life	life	NOUN
fis-1950	144	24	of	of	ADP
fis-1950	144	25	the	the	DET
fis-1950	144	26	hydraulic	hydraulic	ADJ
fis-1950	144	27	hammer	hammer	NOUN
fis-1950	144	28	with	with	ADP
fis-1950	144	29	oriented	orient	VERB
fis-1950	144	30	sliders	slider	NOUN
fis-1950	144	31	in	in	ADP
fis-1950	144	32	horizontal	horizontal	ADJ
fis-1950	144	33	directional	directional	ADJ
fis-1950	144	34	well	well	ADJ
fis-1950	144	35	drilling	drilling	NOUN
fis-1950	144	36	.	.	PUNCT
fis-1950	145	1	conclusions	conclusion	NOUN
fis-1950	145	2	1	1	NUM
fis-1950	145	3	)	)	PUNCT
fis-1950	145	4	hydraulic	hydraulic	ADJ
fis-1950	145	5	hammer	hammer	NOUN
fis-1950	145	6	with	with	ADP
fis-1950	145	7	horizontal	horizontal	ADJ
fis-1950	145	8	oriented	orient	VERB
fis-1950	145	9	sliders	slider	NOUN
fis-1950	145	10	have	have	AUX
fis-1950	145	11	been	be	AUX
fis-1950	145	12	designed	design	VERB
fis-1950	145	13	,	,	PUNCT
fis-1950	145	14	and	and	CCONJ
fis-1950	145	15	corresponding	corresponding	ADJ
fis-1950	145	16	numerical	numerical	ADJ
fis-1950	145	17	models	model	NOUN
fis-1950	145	18	have	have	AUX
fis-1950	145	19	been	be	AUX
fis-1950	145	20	developed	develop	VERB
fis-1950	145	21	to	to	PART
fis-1950	145	22	investigate	investigate	VERB
fis-1950	145	23	the	the	DET
fis-1950	145	24	effects	effect	NOUN
fis-1950	145	25	of	of	ADP
fis-1950	145	26	anvil	anvil	PROPN
fis-1950	145	27	mass	mass	PROPN
fis-1950	145	28	,	,	PUNCT
fis-1950	145	29	friction	friction	NOUN
fis-1950	145	30	coefficient	coefficient	NOUN
fis-1950	145	31	and	and	CCONJ
fis-1950	145	32	moving	move	VERB
fis-1950	145	33	velocity	velocity	NOUN
fis-1950	145	34	of	of	ADP
fis-1950	145	35	the	the	DET
fis-1950	145	36	anvil	anvil	NOUN
fis-1950	145	37	on	on	ADP
fis-1950	145	38	abrasion	abrasion	NOUN
fis-1950	145	39	rate	rate	NOUN
fis-1950	145	40	of	of	ADP
fis-1950	145	41	oriented	orient	VERB
fis-1950	145	42	sliders	slider	NOUN
fis-1950	145	43	.	.	PUNCT
fis-1950	146	1	j.-f	j.-f	NOUN
fis-1950	146	2	.	.	PUNCT
fis-1950	147	1	he	he	PRON
fis-1950	147	2	et	et	PROPN
fis-1950	147	3	alii	alii	PROPN
fis-1950	147	4	,	,	PUNCT
fis-1950	147	5	frattura	frattura	PROPN
fis-1950	147	6	ed	ed	PROPN
fis-1950	147	7	integrità	integrità	PROPN
fis-1950	147	8	strutturale	strutturale	PROPN
fis-1950	147	9	,	,	PUNCT
fis-1950	147	10	42	42	NUM
fis-1950	147	11	(	(	PUNCT
fis-1950	147	12	2017	2017	NUM
fis-1950	147	13	)	)	PUNCT
fis-1950	147	14	263	263	NUM
fis-1950	147	15	-	-	SYM
fis-1950	147	16	271	271	NUM
fis-1950	147	17	;	;	PUNCT
fis-1950	147	18	doi	doi	NOUN
fis-1950	147	19	:	:	PUNCT
fis-1950	147	20	10.3221	10.3221	NUM
fis-1950	147	21	/	/	SYM
fis-1950	147	22	igf	igf	PROPN
fis-1950	147	23	-	-	PUNCT
fis-1950	147	24	esis.42.28	esis.42.28	PROPN
fis-1950	147	25	271	271	NUM
fis-1950	147	26	2	2	NUM
fis-1950	147	27	)	)	PUNCT
fis-1950	147	28	the	the	DET
fis-1950	147	29	maximum	maximum	ADJ
fis-1950	147	30	abrasion	abrasion	NOUN
fis-1950	147	31	rate	rate	NOUN
fis-1950	147	32	of	of	ADP
fis-1950	147	33	horizontal	horizontal	ADJ
fis-1950	147	34	oriented	orient	VERB
fis-1950	147	35	sliders	slider	NOUN
fis-1950	147	36	is	be	AUX
fis-1950	147	37	7.5‱	7.5‱	NUM
fis-1950	147	38	while	while	SCONJ
fis-1950	147	39	the	the	DET
fis-1950	147	40	anvil	anvil	NOUN
fis-1950	147	41	mass	mass	NOUN
fis-1950	147	42	is	be	AUX
fis-1950	147	43	100	100	NUM
fis-1950	147	44	kg	kg	NOUN
fis-1950	147	45	,	,	PUNCT
fis-1950	147	46	otherwise	otherwise	ADV
fis-1950	147	47	the	the	DET
fis-1950	147	48	abrasion	abrasion	NOUN
fis-1950	147	49	rate	rate	NOUN
fis-1950	147	50	will	will	AUX
fis-1950	147	51	be	be	AUX
fis-1950	147	52	up	up	ADP
fis-1950	147	53	to	to	PART
fis-1950	147	54	4	4	NUM
fis-1950	147	55	%	%	NOUN
fis-1950	147	56	while	while	SCONJ
fis-1950	147	57	the	the	DET
fis-1950	147	58	moving	move	VERB
fis-1950	147	59	velocity	velocity	NOUN
fis-1950	147	60	of	of	ADP
fis-1950	147	61	the	the	DET
fis-1950	147	62	anvil	anvil	NOUN
fis-1950	147	63	inside	inside	ADP
fis-1950	147	64	hydraulic	hydraulic	ADJ
fis-1950	147	65	hammers	hammer	NOUN
fis-1950	147	66	exceeds	exceed	VERB
fis-1950	147	67	3	3	NUM
fis-1950	147	68	m/s	m/s	NUM
fis-1950	147	69	.	.	NOUN
fis-1950	147	70	3	3	X
fis-1950	147	71	)	)	PUNCT
fis-1950	147	72	the	the	DET
fis-1950	147	73	service	service	NOUN
fis-1950	147	74	life	life	NOUN
fis-1950	147	75	of	of	ADP
fis-1950	147	76	hydraulic	hydraulic	ADJ
fis-1950	147	77	hammers	hammer	NOUN
fis-1950	147	78	is	be	AUX
fis-1950	147	79	severely	severely	ADV
fis-1950	147	80	influenced	influence	VERB
fis-1950	147	81	by	by	ADP
fis-1950	147	82	friction	friction	NOUN
fis-1950	147	83	coefficient	coefficient	NOUN
fis-1950	147	84	of	of	ADP
fis-1950	147	85	horizontal	horizontal	ADJ
fis-1950	147	86	oriented	orient	VERB
fis-1950	147	87	sliders	slider	NOUN
fis-1950	147	88	,	,	PUNCT
fis-1950	147	89	and	and	CCONJ
fis-1950	147	90	the	the	DET
fis-1950	147	91	friction	friction	NOUN
fis-1950	147	92	coefficient	coefficient	NOUN
fis-1950	147	93	must	must	AUX
fis-1950	147	94	be	be	AUX
fis-1950	147	95	less	less	ADJ
fis-1950	147	96	than	than	ADP
fis-1950	147	97	0.2	0.2	NUM
fis-1950	147	98	while	while	NOUN
fis-1950	147	99	in	in	ADP
fis-1950	147	100	horizontal	horizontal	ADJ
fis-1950	147	101	directional	directional	ADJ
fis-1950	147	102	well	well	INTJ
fis-1950	147	103	drilling	drilling	NOUN
fis-1950	147	104	.	.	PUNCT
fis-1950	148	1	4	4	X
fis-1950	148	2	)	)	PUNCT
fis-1950	148	3	new	new	ADJ
fis-1950	148	4	type	type	NOUN
fis-1950	148	5	of	of	ADP
fis-1950	148	6	hydraulic	hydraulic	ADJ
fis-1950	148	7	hammer	hammer	NOUN
fis-1950	148	8	with	with	ADP
fis-1950	148	9	oriented	orient	VERB
fis-1950	148	10	sliders	slider	NOUN
fis-1950	148	11	is	be	AUX
fis-1950	148	12	qualified	qualified	ADJ
fis-1950	148	13	in	in	ADP
fis-1950	148	14	horizontal	horizontal	ADJ
fis-1950	148	15	directional	directional	ADJ
fis-1950	148	16	well	well	PROPN
fis-1950	148	17	drilling	drilling	NOUN
fis-1950	148	18	,	,	PUNCT
fis-1950	148	19	which	which	PRON
fis-1950	148	20	contributes	contribute	VERB
fis-1950	148	21	to	to	ADP
fis-1950	148	22	the	the	DET
fis-1950	148	23	improvement	improvement	NOUN
fis-1950	148	24	on	on	ADP
fis-1950	148	25	service	service	NOUN
fis-1950	148	26	life	life	NOUN
fis-1950	148	27	of	of	ADP
fis-1950	148	28	hydraulic	hydraulic	ADJ
fis-1950	148	29	dth	dth	ADJ
fis-1950	148	30	hammers	hammer	NOUN
fis-1950	148	31	.	.	PUNCT
fis-1950	149	1	acknowledgments	acknowledgment	NOUN
fis-1950	149	2	he	he	PRON
fis-1950	149	3	authors	author	NOUN
fis-1950	149	4	thank	thank	VERB
fis-1950	149	5	to	to	ADP
fis-1950	149	6	the	the	DET
fis-1950	149	7	supports	support	NOUN
fis-1950	149	8	from	from	ADP
fis-1950	149	9	the	the	DET
fis-1950	149	10	project	project	NOUN
fis-1950	149	11	funded	fund	VERB
fis-1950	149	12	by	by	ADP
fis-1950	149	13	china	china	PROPN
fis-1950	149	14	postdoctoral	postdoctoral	PROPN
fis-1950	149	15	science	science	PROPN
fis-1950	149	16	foundation	foundation	PROPN
fis-1950	149	17	(	(	PUNCT
fis-1950	149	18	project	project	NOUN
fis-1950	149	19	no	no	INTJ
fis-1950	149	20	.	.	PUNCT
fis-1950	149	21	2017m612916	2017m612916	NUM
fis-1950	149	22	)	)	PUNCT
fis-1950	149	23	and	and	CCONJ
fis-1950	149	24	the	the	DET
fis-1950	149	25	china	china	PROPN
fis-1950	149	26	pipeline	pipeline	PROPN
fis-1950	149	27	research	research	PROPN
fis-1950	149	28	institute	institute	PROPN
fis-1950	149	29	of	of	ADP
fis-1950	149	30	cnpc	cnpc	PROPN
fis-1950	149	31	,	,	PUNCT
fis-1950	149	32	china	china	PROPN
fis-1950	149	33	petroleum	petroleum	PROPN
fis-1950	149	34	natural	natural	ADJ
fis-1950	149	35	gas	gas	NOUN
fis-1950	149	36	pipeline	pipeline	NOUN
fis-1950	149	37	bureau	bureau	NOUN
fis-1950	149	38	(	(	PUNCT
fis-1950	149	39	project	project	VERB
fis-1950	149	40	no	no	NOUN
fis-1950	149	41	.	.	PROPN
fis-1950	149	42	2014220101001321	2014220101001321	NUM
fis-1950	149	43	)	)	PUNCT
fis-1950	149	44	,	,	PUNCT
fis-1950	149	45	which	which	PRON
fis-1950	149	46	are	be	AUX
fis-1950	149	47	gratefully	gratefully	ADV
fis-1950	149	48	acknowledged	acknowledge	VERB
fis-1950	149	49	.	.	PUNCT
fis-1950	150	1	the	the	DET
fis-1950	150	2	authors	author	NOUN
fis-1950	150	3	also	also	ADV
fis-1950	150	4	express	express	VERB
fis-1950	150	5	their	their	PRON
fis-1950	150	6	thanks	thank	NOUN
fis-1950	150	7	to	to	ADP
fis-1950	150	8	hou	hou	NOUN
fis-1950	150	9	-	-	PUNCT
fis-1950	150	10	ping	ping	NOUN
fis-1950	150	11	liu	liu	PROPN
fis-1950	150	12	and	and	CCONJ
fis-1950	150	13	yanli	yanli	PROPN
fis-1950	150	14	liu	liu	PROPN
fis-1950	150	15	for	for	ADP
fis-1950	150	16	their	their	PRON
fis-1950	150	17	precious	precious	ADJ
fis-1950	150	18	help	help	NOUN
fis-1950	150	19	.	.	PUNCT
fis-1950	151	1	references	reference	NOUN
fis-1950	151	2	[	[	X
fis-1950	151	3	1	1	NUM
fis-1950	151	4	]	]	X
fis-1950	151	5	yin	yin	PROPN
fis-1950	151	6	,	,	PUNCT
fis-1950	151	7	k.	k.	PROPN
fis-1950	151	8	,	,	PUNCT
fis-1950	151	9	wang	wang	PROPN
fis-1950	151	10	,	,	PUNCT
fis-1950	151	11	m	m	PROPN
fis-1950	151	12	,	,	PUNCT
fis-1950	151	13	et	et	PROPN
fis-1950	151	14	al	al	PROPN
fis-1950	151	15	.	.	PROPN
fis-1950	151	16	,	,	PUNCT
fis-1950	151	17	percussive	percussive	ADJ
fis-1950	151	18	and	and	CCONJ
fis-1950	151	19	rotary	rotary	ADJ
fis-1950	151	20	drilling	drilling	NOUN
fis-1950	151	21	,	,	PUNCT
fis-1950	151	22	geological	geological	ADJ
fis-1950	151	23	publishing	publishing	NOUN
fis-1950	151	24	press	press	NOUN
fis-1950	151	25	,	,	PUNCT
fis-1950	151	26	beijing	beijing	PROPN
fis-1950	151	27	,	,	PUNCT
fis-1950	151	28	(	(	PUNCT
fis-1950	151	29	2010	2010	NUM
fis-1950	151	30	)	)	PUNCT
fis-1950	151	31	.	.	PUNCT
fis-1950	152	1	[	[	X
fis-1950	152	2	2	2	NUM
fis-1950	152	3	]	]	SYM
fis-1950	152	4	li	li	PROPN
fis-1950	152	5	,	,	PUNCT
fis-1950	152	6	s.-z	s.-z	PROPN
fis-1950	152	7	.	.	PUNCT
fis-1950	152	8	,	,	PUNCT
fis-1950	152	9	drilling	drill	VERB
fis-1950	152	10	and	and	CCONJ
fis-1950	152	11	exploring	explore	VERB
fis-1950	152	12	technology	technology	NOUN
fis-1950	152	13	,	,	PUNCT
fis-1950	152	14	geological	geological	ADJ
fis-1950	152	15	publishing	publishing	NOUN
fis-1950	152	16	press	press	NOUN
fis-1950	152	17	,	,	PUNCT
fis-1950	152	18	beijing	beijing	PROPN
fis-1950	152	19	,	,	PUNCT
fis-1950	152	20	(	(	PUNCT
fis-1950	152	21	1989	1989	NUM
fis-1950	152	22	)	)	PUNCT
fis-1950	152	23	.	.	PUNCT
fis-1950	153	1	[	[	X
fis-1950	153	2	3	3	NUM
fis-1950	153	3	]	]	X
fis-1950	153	4	han	han	PROPN
fis-1950	153	5	,	,	PUNCT
fis-1950	153	6	g.	g.	PROPN
fis-1950	153	7	,	,	PUNCT
fis-1950	153	8	bruno	bruno	PROPN
fis-1950	153	9	,	,	PUNCT
fis-1950	153	10	m.	m.	NOUN
fis-1950	153	11	,	,	PUNCT
fis-1950	153	12	lao	lao	PROPN
fis-1950	153	13	,	,	PUNCT
fis-1950	153	14	k.	k.	PROPN
fis-1950	153	15	,	,	PUNCT
fis-1950	153	16	percussion	percussion	NOUN
fis-1950	153	17	drilling	drill	VERB
fis-1950	153	18	in	in	ADP
fis-1950	153	19	oil	oil	NOUN
fis-1950	153	20	industry	industry	NOUN
fis-1950	153	21	:	:	PUNCT
fis-1950	153	22	review	review	NOUN
fis-1950	153	23	and	and	CCONJ
fis-1950	153	24	rock	rock	NOUN
fis-1950	153	25	failure	failure	NOUN
fis-1950	153	26	modeling	modeling	NOUN
fis-1950	153	27	,	,	PUNCT
fis-1950	153	28	the	the	DET
fis-1950	153	29	aade	aade	PROPN
fis-1950	153	30	national	national	PROPN
fis-1950	153	31	technical	technical	PROPN
fis-1950	153	32	conference	conference	PROPN
fis-1950	153	33	and	and	CCONJ
fis-1950	153	34	exhibition	exhibition	NOUN
fis-1950	153	35	,	,	PUNCT
fis-1950	153	36	houston	houston	PROPN
fis-1950	153	37	,	,	PUNCT
fis-1950	153	38	usa	usa	PROPN
fis-1950	153	39	,	,	PUNCT
fis-1950	153	40	(	(	PUNCT
fis-1950	153	41	2005	2005	NUM
fis-1950	153	42	)	)	PUNCT
fis-1950	153	43	.	.	PUNCT
fis-1950	154	1	[	[	X
fis-1950	154	2	4	4	NUM
fis-1950	154	3	]	]	X
fis-1950	154	4	liu	liu	PROPN
fis-1950	154	5	,	,	PUNCT
fis-1950	154	6	h.	h.	PROPN
fis-1950	154	7	,	,	PUNCT
fis-1950	154	8	yin	yin	PROPN
fis-1950	154	9	,	,	PUNCT
fis-1950	154	10	k.	k.	PROPN
fis-1950	154	11	,	,	PUNCT
fis-1950	154	12	peng	peng	PROPN
fis-1950	154	13	,	,	PUNCT
fis-1950	154	14	j.m	j.m	PROPN
fis-1950	154	15	.	.	PROPN
fis-1950	154	16	,	,	PUNCT
fis-1950	154	17	yin	yin	PROPN
fis-1950	154	18	,	,	PUNCT
fis-1950	154	19	q.l	q.l	PROPN
fis-1950	154	20	.	.	PROPN
fis-1950	154	21	,	,	PUNCT
fis-1950	154	22	fracture	fracture	ADJ
fis-1950	154	23	failure	failure	NOUN
fis-1950	154	24	analysis	analysis	NOUN
fis-1950	154	25	of	of	ADP
fis-1950	154	26	baseplates	baseplate	NOUN
fis-1950	154	27	in	in	ADP
fis-1950	154	28	a	a	DET
fis-1950	154	29	fluidic	fluidic	ADJ
fis-1950	154	30	amplifier	amplifier	NOUN
fis-1950	154	31	made	make	VERB
fis-1950	154	32	of	of	ADP
fis-1950	154	33	wc-11co	wc-11co	PROPN
fis-1950	154	34	cemented	cement	VERB
fis-1950	154	35	carbide	carbide	NOUN
fis-1950	154	36	,	,	PUNCT
fis-1950	154	37	rattura	rattura	PROPN
fis-1950	154	38	ed	ed	PROPN
fis-1950	154	39	integrità	integrità	PROPN
fis-1950	154	40	strutturale	strutturale	PROPN
fis-1950	154	41	,	,	PUNCT
fis-1950	154	42	27	27	NUM
fis-1950	154	43	(	(	PUNCT
fis-1950	154	44	2014	2014	NUM
fis-1950	154	45	)	)	PUNCT
fis-1950	154	46	53	53	NUM
fis-1950	154	47	-	-	SYM
fis-1950	154	48	65	65	NUM
fis-1950	154	49	.	.	PUNCT
fis-1950	155	1	[	[	X
fis-1950	155	2	5	5	NUM
fis-1950	155	3	]	]	X
fis-1950	155	4	melamed	melamed	PROPN
fis-1950	155	5	,	,	PUNCT
fis-1950	155	6	y.	y.	PROPN
fis-1950	155	7	,	,	PUNCT
fis-1950	155	8	kiselev	kiselev	NOUN
fis-1950	155	9	,	,	PUNCT
fis-1950	155	10	a.	a.	NOUN
fis-1950	155	11	,	,	PUNCT
fis-1950	155	12	gelfgat	gelfgat	ADJ
fis-1950	155	13	,	,	PUNCT
fis-1950	155	14	m.	m.	NOUN
fis-1950	155	15	,	,	PUNCT
fis-1950	155	16	dreesen	dreesen	NOUN
fis-1950	155	17	,	,	PUNCT
fis-1950	155	18	d.	d.	PROPN
fis-1950	155	19	,	,	PUNCT
fis-1950	155	20	blacic	blacic	PROPN
fis-1950	155	21	,	,	PUNCT
fis-1950	155	22	j.	j.	PROPN
fis-1950	155	23	,	,	PUNCT
fis-1950	155	24	hydraulic	hydraulic	ADJ
fis-1950	155	25	hammer	hammer	NOUN
fis-1950	155	26	drilling	drilling	NOUN
fis-1950	155	27	technology	technology	NOUN
fis-1950	155	28	:	:	PUNCT
fis-1950	155	29	developments	development	NOUN
fis-1950	155	30	and	and	CCONJ
fis-1950	155	31	capabilities	capability	NOUN
fis-1950	155	32	,	,	PUNCT
fis-1950	155	33	j.	j.	PROPN
fis-1950	155	34	energ	energ	PROPN
fis-1950	155	35	.	.	PUNCT
fis-1950	156	1	resour	resour	NOUN
fis-1950	156	2	.	.	PUNCT
fis-1950	157	1	technol	technol	PROPN
fis-1950	157	2	.	.	PROPN
fis-1950	157	3	,	,	PUNCT
fis-1950	157	4	122(1	122(1	NUM
fis-1950	157	5	)	)	PUNCT
fis-1950	157	6	(	(	PUNCT
fis-1950	157	7	2000	2000	NUM
fis-1950	157	8	)	)	PUNCT
fis-1950	157	9	1	1	NUM
fis-1950	157	10	-	-	SYM
fis-1950	157	11	8	8	NUM
fis-1950	157	12	.	.	PUNCT
fis-1950	158	1	[	[	X
fis-1950	158	2	6	6	NUM
fis-1950	158	3	]	]	X
fis-1950	158	4	melamed	melamed	PROPN
fis-1950	158	5	,	,	PUNCT
fis-1950	158	6	y.	y.	PROPN
fis-1950	158	7	,	,	PUNCT
fis-1950	158	8	kiselev	kiselev	NOUN
fis-1950	158	9	,	,	PUNCT
fis-1950	158	10	a.	a.	NOUN
fis-1950	158	11	,	,	PUNCT
fis-1950	158	12	gelfgat	gelfgat	ADJ
fis-1950	158	13	,	,	PUNCT
fis-1950	158	14	m.	m.	NOUN
fis-1950	158	15	,	,	PUNCT
fis-1950	158	16	et	et	NOUN
fis-1950	158	17	.	.	PUNCT
fis-1950	159	1	al	al	PROPN
fis-1950	159	2	.	.	PROPN
fis-1950	159	3	,	,	PUNCT
fis-1950	159	4	hydraulic	hydraulic	ADJ
fis-1950	159	5	hammer	hammer	NOUN
fis-1950	159	6	drilling	drilling	NOUN
fis-1950	159	7	technology	technology	NOUN
fis-1950	159	8	:	:	PUNCT
fis-1950	159	9	developments	development	NOUN
fis-1950	159	10	and	and	CCONJ
fis-1950	159	11	capabilities	capability	NOUN
fis-1950	159	12	.	.	PUNCT
fis-1950	160	1	journal	journal	NOUN
fis-1950	160	2	of	of	ADP
fis-1950	160	3	energy	energy	NOUN
fis-1950	160	4	resources	resource	NOUN
fis-1950	160	5	technology	technology	NOUN
fis-1950	160	6	,	,	PUNCT
fis-1950	160	7	122(01	122(01	NUM
fis-1950	160	8	)	)	PUNCT
fis-1950	160	9	(	(	PUNCT
fis-1950	160	10	2003	2003	NUM
fis-1950	160	11	)	)	PUNCT
fis-1950	160	12	.	.	PUNCT
fis-1950	161	1	[	[	X
fis-1950	161	2	7	7	NUM
fis-1950	161	3	]	]	X
fis-1950	161	4	pixton	pixton	PROPN
fis-1950	161	5	,	,	PUNCT
fis-1950	161	6	d.	d.	PROPN
fis-1950	161	7	,	,	PUNCT
fis-1950	161	8	hall	hall	PROPN
fis-1950	161	9	,	,	PUNCT
fis-1950	161	10	d.	d.	PROPN
fis-1950	161	11	,	,	PUNCT
fis-1950	161	12	advanced	advanced	ADJ
fis-1950	161	13	mud	mud	NOUN
fis-1950	161	14	hammer	hammer	NOUN
fis-1950	161	15	system	system	NOUN
fis-1950	161	16	.	.	PUNCT
fis-1950	162	1	novatec	novatec	PROPN
fis-1950	162	2	.	.	PUNCT
fis-1950	162	3	inc	inc	PROPN
fis-1950	162	4	.	.	PROPN
fis-1950	162	5	2185	2185	NUM
fis-1950	162	6	south	south	PROPN
fis-1950	162	7	larsen	larsen	PROPN
fis-1950	162	8	parkway	parkway	PROPN
fis-1950	162	9	,	,	PUNCT
fis-1950	162	10	provo	provo	PROPN
fis-1950	162	11	,	,	PUNCT
fis-1950	162	12	ut	ut	PROPN
fis-1950	162	13	.	.	PUNCT
fis-1950	163	1	[	[	X
fis-1950	163	2	8	8	NUM
fis-1950	163	3	]	]	PUNCT
fis-1950	163	4	he	he	PRON
fis-1950	163	5	,	,	PUNCT
fis-1950	163	6	j.	j.	PROPN
fis-1950	163	7	,	,	PUNCT
fis-1950	163	8	zhao	zhao	PROPN
fis-1950	163	9	,	,	PUNCT
fis-1950	163	10	x.	x.	PROPN
fis-1950	163	11	,	,	PUNCT
fis-1950	163	12	kun	kun	PROPN
fis-1950	163	13	,	,	PUNCT
fis-1950	163	14	y.	y.	PROPN
fis-1950	163	15	et	et	PROPN
fis-1950	163	16	al	al	PROPN
fis-1950	163	17	.	.	PROPN
fis-1950	163	18	,	,	PUNCT
fis-1950	163	19	application	application	NOUN
fis-1950	163	20	of	of	ADP
fis-1950	163	21	a	a	DET
fis-1950	163	22	fluidic	fluidic	ADJ
fis-1950	163	23	amplifier	amplifier	NOUN
fis-1950	163	24	to	to	ADP
fis-1950	163	25	horizontal	horizontal	ADJ
fis-1950	163	26	directional	directional	ADJ
fis-1950	163	27	well	well	INTJ
fis-1950	163	28	drilling	drilling	NOUN
fis-1950	163	29	.	.	PUNCT
fis-1950	164	1	asia	asia	PROPN
fis-1950	164	2	-	-	PUNCT
fis-1950	164	3	pacific	pacific	PROPN
fis-1950	164	4	energy	energy	NOUN
fis-1950	164	5	equipment	equipment	NOUN
fis-1950	164	6	engineering	engineering	NOUN
fis-1950	164	7	research	research	NOUN
fis-1950	164	8	conference	conference	NOUN
fis-1950	164	9	,	,	PUNCT
fis-1950	164	10	atlantis	atlantis	PROPN
fis-1950	164	11	press	press	NOUN
fis-1950	164	12	,	,	PUNCT
fis-1950	164	13	60	60	NUM
fis-1950	164	14	-	-	SYM
fis-1950	164	15	63	63	NUM
fis-1950	164	16	(	(	PUNCT
fis-1950	164	17	2015	2015	NUM
fis-1950	164	18	)	)	PUNCT
fis-1950	164	19	.	.	PUNCT
fis-1950	165	1	[	[	X
fis-1950	165	2	9	9	NUM
fis-1950	165	3	]	]	X
fis-1950	165	4	chuanwu	chuanwu	NOUN
fis-1950	165	5	,	,	PUNCT
fis-1950	165	6	l.	l.	PROPN
fis-1950	165	7	,	,	PUNCT
fis-1950	165	8	fadong	fadong	PROPN
fis-1950	165	9	,	,	PUNCT
fis-1950	165	10	l.	l.	PROPN
fis-1950	165	11	,	,	PUNCT
fis-1950	165	12	hai	hai	PROPN
fis-1950	165	13	,	,	PUNCT
fis-1950	165	14	r.	r.	PROPN
fis-1950	165	15	j.	j.	PROPN
fis-1950	165	16	,	,	PUNCT
fis-1950	165	17	applications	application	NOUN
fis-1950	165	18	of	of	ADP
fis-1950	165	19	hydraulic	hydraulic	ADJ
fis-1950	165	20	operated	operate	VERB
fis-1950	165	21	hammers	hammer	NOUN
fis-1950	165	22	in	in	ADP
fis-1950	165	23	pilot	pilot	NOUN
fis-1950	165	24	hole	hole	NOUN
fis-1950	165	25	drilling	drilling	NOUN
fis-1950	165	26	of	of	ADP
fis-1950	165	27	kezuan-1	kezuan-1	PROPN
fis-1950	165	28	well	well	ADV
fis-1950	165	29	,	,	PUNCT
fis-1950	165	30	petroleum	petroleum	NOUN
fis-1950	165	31	drilling	drilling	NOUN
fis-1950	165	32	techniques	technique	NOUN
fis-1950	165	33	,	,	PUNCT
fis-1950	165	34	30(5	30(5	NUM
fis-1950	165	35	)	)	PUNCT
fis-1950	165	36	(	(	PUNCT
fis-1950	165	37	2002	2002	NUM
fis-1950	165	38	)	)	PUNCT
fis-1950	165	39	.	.	PUNCT
fis-1950	166	1	[	[	X
fis-1950	166	2	10	10	NUM
fis-1950	166	3	]	]	X
fis-1950	166	4	daipo	daipo	PROPN
fis-1950	166	5	,	,	PUNCT
fis-1950	166	6	d.	d.	PROPN
fis-1950	166	7	,	,	PUNCT
fis-1950	166	8	research	research	NOUN
fis-1950	166	9	on	on	ADP
fis-1950	166	10	the	the	DET
fis-1950	166	11	working	work	VERB
fis-1950	166	12	life	life	NOUN
fis-1950	166	13	of	of	ADP
fis-1950	166	14	key	key	ADJ
fis-1950	166	15	accessory	accessory	NOUN
fis-1950	166	16	of	of	ADP
fis-1950	166	17	oil	oil	NOUN
fis-1950	166	18	drilling	drilling	NOUN
fis-1950	166	19	impacting	impact	VERB
fis-1950	166	20	machine	machine	NOUN
fis-1950	166	21	,	,	PUNCT
fis-1950	166	22	master	master	NOUN
fis-1950	166	23	thesis	thesis	NOUN
fis-1950	166	24	,	,	PUNCT
fis-1950	166	25	jilin	jilin	PROPN
fis-1950	166	26	university	university	PROPN
fis-1950	166	27	,	,	PUNCT
fis-1950	166	28	(	(	PUNCT
fis-1950	166	29	2008	2008	NUM
fis-1950	166	30	)	)	PUNCT
fis-1950	166	31	.	.	PUNCT
fis-1950	167	1	[	[	X
fis-1950	167	2	11	11	NUM
fis-1950	167	3	]	]	X
fis-1950	167	4	jinghua	jinghua	PROPN
fis-1950	167	5	,	,	PUNCT
fis-1950	167	6	w.	w.	PROPN
fis-1950	167	7	,	,	PUNCT
fis-1950	167	8	wencheng	wencheng	NOUN
fis-1950	167	9	,	,	PUNCT
fis-1950	167	10	t.	t.	PROPN
fis-1950	167	11	,	,	PUNCT
fis-1950	167	12	liyi	liyi	PROPN
fis-1950	167	13	,	,	PUNCT
fis-1950	167	14	z.	z.	PROPN
fis-1950	167	15	,	,	PUNCT
fis-1950	167	16	numerical	numerical	ADJ
fis-1950	167	17	analysis	analysis	NOUN
fis-1950	167	18	of	of	ADP
fis-1950	167	19	impacting	impact	VERB
fis-1950	167	20	behavior	behavior	NOUN
fis-1950	167	21	of	of	ADP
fis-1950	167	22	abrasive	abrasive	ADJ
fis-1950	167	23	particle	particle	NOUN
fis-1950	167	24	,	,	PUNCT
fis-1950	167	25	machine	machine	NOUN
fis-1950	167	26	tool	tool	NOUN
fis-1950	167	27	and	and	CCONJ
fis-1950	167	28	hydraulics	hydraulic	NOUN
fis-1950	167	29	,	,	PUNCT
fis-1950	167	30	36(9	36(9	NUM
fis-1950	167	31	)	)	PUNCT
fis-1950	167	32	(	(	PUNCT
fis-1950	167	33	2008	2008	NUM
fis-1950	167	34	)	)	PUNCT
fis-1950	167	35	2	2	NUM
fis-1950	167	36	-	-	SYM
fis-1950	167	37	77	77	NUM
fis-1950	167	38	.	.	PUNCT
fis-1950	168	1	[	[	X
fis-1950	168	2	12	12	NUM
fis-1950	168	3	]	]	X
fis-1950	168	4	weitao	weitao	PROPN
fis-1950	168	5	,	,	PUNCT
fis-1950	168	6	l.	l.	PROPN
fis-1950	168	7	,	,	PUNCT
fis-1950	168	8	the	the	DET
fis-1950	168	9	experiment	experiment	NOUN
fis-1950	168	10	and	and	CCONJ
fis-1950	168	11	research	research	NOUN
fis-1950	168	12	on	on	ADP
fis-1950	168	13	the	the	DET
fis-1950	168	14	working	work	VERB
fis-1950	168	15	life	life	NOUN
fis-1950	168	16	of	of	ADP
fis-1950	168	17	the	the	DET
fis-1950	168	18	liquid	liquid	ADJ
fis-1950	168	19	jet	jet	NOUN
fis-1950	168	20	amplifier	amplifier	NOUN
fis-1950	168	21	of	of	ADP
fis-1950	168	22	the	the	DET
fis-1950	168	23	hydraulic	hydraulic	ADJ
fis-1950	168	24	hammer	hammer	NOUN
fis-1950	168	25	,	,	PUNCT
fis-1950	168	26	master	master	NOUN
fis-1950	168	27	thesis	thesis	NOUN
fis-1950	168	28	,	,	PUNCT
fis-1950	168	29	jilin	jilin	PROPN
fis-1950	168	30	university	university	PROPN
fis-1950	168	31	,	,	PUNCT
fis-1950	168	32	(	(	PUNCT
fis-1950	168	33	2004	2004	NUM
fis-1950	168	34	)	)	PUNCT
fis-1950	168	35	.	.	PUNCT
fis-1950	169	1	[	[	X
fis-1950	169	2	13	13	NUM
fis-1950	169	3	]	]	PUNCT
fis-1950	169	4	qingyan	qingyan	PROPN
fis-1950	169	5	,	,	PUNCT
fis-1950	169	6	w.	w.	PROPN
fis-1950	169	7	,	,	PUNCT
fis-1950	169	8	kun	kun	PROPN
fis-1950	169	9	,	,	PUNCT
fis-1950	169	10	y.	y.	PROPN
fis-1950	169	11	,	,	PUNCT
fis-1950	169	12	et	et	PROPN
fis-1950	169	13	al	al	PROPN
fis-1950	169	14	.	.	PROPN
fis-1950	169	15	,	,	PUNCT
fis-1950	169	16	development	development	NOUN
fis-1950	169	17	and	and	CCONJ
fis-1950	169	18	application	application	NOUN
fis-1950	169	19	of	of	ADP
fis-1950	169	20	hydrokinetic	hydrokinetic	ADJ
fis-1950	169	21	hammer	hammer	NOUN
fis-1950	169	22	’s	’s	PART
fis-1950	169	23	simulation	simulation	NOUN
fis-1950	169	24	technique	technique	NOUN
fis-1950	169	25	,	,	PUNCT
fis-1950	169	26	petroleum	petroleum	NOUN
fis-1950	169	27	drilling	drilling	NOUN
fis-1950	169	28	technique	technique	NOUN
fis-1950	169	29	,	,	PUNCT
fis-1950	169	30	36(1	36(1	NUM
fis-1950	169	31	)	)	PUNCT
fis-1950	169	32	(	(	PUNCT
fis-1950	169	33	2008	2008	NUM
fis-1950	169	34	)	)	PUNCT
fis-1950	169	35	45	45	NUM
fis-1950	169	36	-	-	SYM
fis-1950	169	37	49	49	NUM
fis-1950	169	38	.	.	PUNCT
fis-1950	170	1	[	[	X
fis-1950	170	2	14	14	NUM
fis-1950	170	3	]	]	X
fis-1950	170	4	tesar	tesar	ADJ
fis-1950	170	5	,	,	PUNCT
fis-1950	170	6	v.	v.	ADV
fis-1950	170	7	,	,	PUNCT
fis-1950	170	8	hung	hung	PROPN
fis-1950	170	9	,	,	PUNCT
fis-1950	170	10	c.-h	c.-h	PROPN
fis-1950	170	11	.	.	PROPN
fis-1950	170	12	,	,	PUNCT
fis-1950	170	13	zimmerman	zimmerman	PROPN
fis-1950	170	14	,	,	PUNCT
fis-1950	170	15	w.	w.	PROPN
fis-1950	170	16	b.	b.	PROPN
fis-1950	170	17	,	,	PUNCT
fis-1950	170	18	no	no	DET
fis-1950	170	19	-	-	PUNCT
fis-1950	170	20	moving	move	VERB
fis-1950	170	21	-	-	PUNCT
fis-1950	170	22	part	part	NOUN
fis-1950	170	23	hybrid	hybrid	ADJ
fis-1950	170	24	-	-	PUNCT
fis-1950	170	25	synthetic	synthetic	ADJ
fis-1950	170	26	actuator	actuator	NOUN
fis-1950	170	27	,	,	PUNCT
fis-1950	170	28	sensors	sensor	NOUN
fis-1950	170	29	and	and	CCONJ
fis-1950	170	30	actuators	actuator	NOUN
fis-1950	171	1	a	a	PRON
fis-1950	171	2	:	:	PUNCT
fis-1950	171	3	physical	physical	ADJ
fis-1950	171	4	,	,	PUNCT
fis-1950	171	5	125	125	NUM
fis-1950	171	6	(	(	PUNCT
fis-1950	171	7	2006	2006	NUM
fis-1950	171	8	)	)	PUNCT
fis-1950	171	9	159	159	NUM
fis-1950	171	10	-	-	SYM
fis-1950	171	11	169	169	NUM
fis-1950	171	12	.	.	PUNCT
fis-1950	172	1	[	[	X
fis-1950	172	2	15	15	NUM
fis-1950	172	3	]	]	X
fis-1950	172	4	xingkun	xingkun	PROPN
fis-1950	172	5	,	,	PUNCT
fis-1950	172	6	g.	g.	PROPN
fis-1950	172	7	,	,	PUNCT
fis-1950	172	8	zhengyi	zhengyi	PROPN
fis-1950	172	9	,	,	PUNCT
fis-1950	172	10	s.	s.	PROPN
fis-1950	172	11	,	,	PUNCT
fis-1950	172	12	hongxuan	hongxuan	PROPN
fis-1950	172	13	,	,	PUNCT
fis-1950	172	14	l.	l.	PROPN
fis-1950	172	15	,	,	PUNCT
fis-1950	172	16	application	application	NOUN
fis-1950	172	17	and	and	CCONJ
fis-1950	172	18	prospect	prospect	NOUN
fis-1950	172	19	of	of	ADP
fis-1950	172	20	computer	computer	NOUN
fis-1950	172	21	simulation	simulation	NOUN
fis-1950	172	22	technique	technique	NOUN
fis-1950	172	23	in	in	ADP
fis-1950	172	24	drilling	drilling	NOUN
fis-1950	172	25	engineering	engineering	NOUN
fis-1950	172	26	,	,	PUNCT
fis-1950	172	27	(	(	PUNCT
fis-1950	172	28	2007	2007	NUM
fis-1950	172	29	)	)	PUNCT
fis-1950	172	30	118	118	NUM
fis-1950	172	31	-	-	SYM
fis-1950	172	32	121	121	NUM
fis-1950	172	33	.	.	PUNCT
fis-1950	173	1	[	[	X
fis-1950	173	2	16	16	NUM
fis-1950	173	3	]	]	X
fis-1950	173	4	ting	ting	PROPN
fis-1950	173	5	,	,	PUNCT
fis-1950	173	6	j.	j.	PROPN
fis-1950	173	7	,	,	PUNCT
fis-1950	173	8	huaping	huape	VERB
fis-1950	173	9	,	,	PUNCT
fis-1950	173	10	y.	y.	PROPN
fis-1950	173	11	,	,	PUNCT
fis-1950	173	12	hui	hui	PROPN
fis-1950	173	13	,	,	PUNCT
fis-1950	173	14	y.	y.	PROPN
fis-1950	173	15	,	,	PUNCT
fis-1950	173	16	numerical	numerical	PROPN
fis-1950	173	17	simulation	simulation	NOUN
fis-1950	173	18	of	of	ADP
fis-1950	173	19	the	the	DET
fis-1950	173	20	process	process	NOUN
fis-1950	173	21	of	of	ADP
fis-1950	173	22	friction	friction	NOUN
fis-1950	173	23	and	and	CCONJ
fis-1950	173	24	wear	wear	NOUN
fis-1950	173	25	,	,	PUNCT
fis-1950	173	26	lubrication	lubrication	NOUN
fis-1950	173	27	engineering	engineering	NOUN
fis-1950	173	28	,	,	PUNCT
fis-1950	173	29	38(12	38(12	NUM
fis-1950	173	30	)	)	PUNCT
fis-1950	173	31	(	(	PUNCT
fis-1950	173	32	2013	2013	NUM
fis-1950	173	33	)	)	PUNCT
fis-1950	173	34	88	88	NUM
fis-1950	173	35	-	-	SYM
fis-1950	173	36	92	92	NUM
fis-1950	173	37	.	.	PUNCT
fis-1950	174	1	[	[	X
fis-1950	174	2	17	17	NUM
fis-1950	174	3	]	]	X
fis-1950	174	4	huaisong	huaisong	PROPN
fis-1950	174	5	,	,	PUNCT
fis-1950	174	6	c.	c.	PROPN
fis-1950	174	7	,	,	PUNCT
fis-1950	174	8	study	study	NOUN
fis-1950	174	9	of	of	ADP
fis-1950	174	10	numerical	numerical	ADJ
fis-1950	174	11	simulation	simulation	NOUN
fis-1950	174	12	on	on	ADP
fis-1950	174	13	reciprocating	reciprocate	VERB
fis-1950	174	14	wear	wear	NOUN
fis-1950	174	15	under	under	ADP
fis-1950	174	16	boundary	boundary	ADJ
fis-1950	174	17	lubrication	lubrication	NOUN
fis-1950	174	18	condition	condition	NOUN
fis-1950	174	19	,	,	PUNCT
fis-1950	174	20	master	master	NOUN
fis-1950	174	21	’s	’s	PART
fis-1950	174	22	theses	theses	PROPN
fis-1950	174	23	,	,	PUNCT
fis-1950	174	24	technical	technical	ADJ
fis-1950	174	25	university	university	PROPN
fis-1950	174	26	of	of	ADP
fis-1950	174	27	wuhan	wuhan	PROPN
fis-1950	174	28	,	,	PUNCT
fis-1950	174	29	(	(	PUNCT
fis-1950	174	30	2005	2005	NUM
fis-1950	174	31	)	)	PUNCT
fis-1950	174	32	.	.	PUNCT
fis-1950	175	1	[	[	X
fis-1950	175	2	18	18	NUM
fis-1950	175	3	]	]	SYM
fis-1950	175	4	zhongyong	zhongyong	PROPN
fis-1950	175	5	,	,	PUNCT
fis-1950	175	6	g.	g.	PROPN
fis-1950	175	7	,	,	PUNCT
fis-1950	175	8	wubin	wubin	PROPN
fis-1950	175	9	,	,	PUNCT
fis-1950	175	10	x.	x.	PROPN
fis-1950	175	11	,	,	PUNCT
fis-1950	175	12	et	et	PROPN
fis-1950	175	13	al	al	PROPN
fis-1950	175	14	.	.	PROPN
fis-1950	175	15	,	,	PUNCT
fis-1950	175	16	experimental	experimental	ADJ
fis-1950	175	17	study	study	NOUN
fis-1950	175	18	and	and	CCONJ
fis-1950	175	19	analysis	analysis	NOUN
fis-1950	175	20	of	of	ADP
fis-1950	175	21	wear	wear	NOUN
fis-1950	175	22	and	and	CCONJ
fis-1950	175	23	abrasion	abrasion	NOUN
fis-1950	175	24	of	of	ADP
fis-1950	175	25	rails	rail	NOUN
fis-1950	175	26	,	,	PUNCT
fis-1950	175	27	steel	steel	NOUN
fis-1950	175	28	,	,	PUNCT
fis-1950	175	29	37(8	37(8	NUM
fis-1950	175	30	)	)	PUNCT
fis-1950	175	31	(	(	PUNCT
fis-1950	175	32	2002	2002	NUM
fis-1950	175	33	)	)	PUNCT
fis-1950	175	34	5357	5357	NUM
fis-1950	175	35	.	.	PUNCT
fis-1950	176	1	[	[	X
fis-1950	176	2	19	19	NUM
fis-1950	176	3	]	]	X
fis-1950	176	4	he	he	PRON
fis-1950	176	5	,	,	PUNCT
fis-1950	176	6	j.	j.	PROPN
fis-1950	176	7	,	,	PUNCT
fis-1950	176	8	theoretical	theoretical	ADJ
fis-1950	176	9	and	and	CCONJ
fis-1950	176	10	experimental	experimental	ADJ
fis-1950	176	11	research	research	NOUN
fis-1950	176	12	on	on	ADP
fis-1950	176	13	hydraulic	hydraulic	ADJ
fis-1950	176	14	hammer	hammer	NOUN
fis-1950	176	15	with	with	ADP
fis-1950	176	16	application	application	NOUN
fis-1950	176	17	to	to	ADP
fis-1950	176	18	horizontal	horizontal	ADJ
fis-1950	176	19	directional	directional	ADJ
fis-1950	176	20	well	well	ADJ
fis-1950	176	21	drilling	drilling	NOUN
fis-1950	176	22	in	in	ADP
fis-1950	176	23	hard	hard	ADJ
fis-1950	176	24	rocks	rock	NOUN
fis-1950	176	25	,	,	PUNCT
fis-1950	176	26	thesis	thesis	INTJ
fis-1950	176	27	,	,	PUNCT
fis-1950	176	28	jilin	jilin	PROPN
fis-1950	176	29	university	university	PROPN
fis-1950	176	30	,	,	PUNCT
fis-1950	176	31	china	china	PROPN
fis-1950	176	32	,	,	PUNCT
fis-1950	176	33	(	(	PUNCT
fis-1950	176	34	2016	2016	NUM
fis-1950	176	35	)	)	PUNCT
fis-1950	176	36	.	.	PUNCT
fis-1950	177	1	t	t	PROPN