id	sid	tid	token	lemma	pos
ajst-18344	1	1	academic	academic	ADJ
ajst-18344	1	2	journal	journal	NOUN
ajst-18344	1	3	of	of	ADP
ajst-18344	1	4	science	science	NOUN
ajst-18344	1	5	and	and	CCONJ
ajst-18344	1	6	technology	technology	NOUN
ajst-18344	1	7	issn	issn	NOUN
ajst-18344	1	8	:	:	PUNCT
ajst-18344	1	9	2771	2771	NUM
ajst-18344	1	10	-	-	SYM
ajst-18344	1	11	3032	3032	NUM
ajst-18344	1	12	|	|	NOUN
ajst-18344	1	13	vol	vol	NOUN
ajst-18344	1	14	.	.	PROPN
ajst-18344	2	1	9	9	NUM
ajst-18344	2	2	,	,	PUNCT
ajst-18344	2	3	no	no	INTJ
ajst-18344	2	4	.	.	NOUN
ajst-18344	2	5	3	3	NUM
ajst-18344	2	6	,	,	PUNCT
ajst-18344	2	7	2024	2024	NUM
ajst-18344	2	8	146	146	NUM
ajst-18344	2	9	a	a	DET
ajst-18344	2	10	new	new	ADJ
ajst-18344	2	11	design	design	NOUN
ajst-18344	2	12	of	of	ADP
ajst-18344	2	13	vibration	vibration	NOUN
ajst-18344	2	14	damping	damp	VERB
ajst-18344	2	15	structure	structure	NOUN
ajst-18344	2	16	for	for	ADP
ajst-18344	2	17	positive	positive	ADJ
ajst-18344	2	18	displacement	displacement	ADJ
ajst-18344	2	19	motor	motor	NOUN
ajst-18344	2	20	sen	sen	PROPN
ajst-18344	2	21	yang	yang	PROPN
ajst-18344	2	22	*	*	PROPN
ajst-18344	2	23	college	college	PROPN
ajst-18344	2	24	of	of	ADP
ajst-18344	2	25	mechanical	mechanical	ADJ
ajst-18344	2	26	engineering	engineering	NOUN
ajst-18344	2	27	,	,	PUNCT
ajst-18344	2	28	xi’an	xi’an	PROPN
ajst-18344	2	29	shiyou	shiyou	PROPN
ajst-18344	2	30	university	university	PROPN
ajst-18344	2	31	,	,	PUNCT
ajst-18344	2	32	xi’an	xi’an	PROPN
ajst-18344	2	33	710065	710065	NUM
ajst-18344	2	34	,	,	PUNCT
ajst-18344	2	35	shaanxi	shaanxi	PROPN
ajst-18344	2	36	,	,	PUNCT
ajst-18344	2	37	china	china	PROPN
ajst-18344	2	38	*	*	PUNCT
ajst-18344	2	39	corresponding	correspond	VERB
ajst-18344	2	40	author	author	NOUN
ajst-18344	2	41	:	:	PUNCT
ajst-18344	2	42	sen	sen	PROPN
ajst-18344	2	43	yang	yang	PROPN
ajst-18344	2	44	(	(	PUNCT
ajst-18344	2	45	email	email	NOUN
ajst-18344	2	46	:	:	PUNCT
ajst-18344	2	47	yang_sen258@163.com	yang_sen258@163.com	X
ajst-18344	2	48	)	)	PUNCT
ajst-18344	3	1	abstract	abstract	ADJ
ajst-18344	3	2	:	:	PUNCT
ajst-18344	3	3	positive	positive	ADJ
ajst-18344	3	4	displacement	displacement	ADJ
ajst-18344	3	5	motor	motor	NOUN
ajst-18344	3	6	(	(	PUNCT
ajst-18344	3	7	pdm	pdm	PROPN
ajst-18344	3	8	)	)	PUNCT
ajst-18344	3	9	is	be	AUX
ajst-18344	3	10	a	a	DET
ajst-18344	3	11	downhole	downhole	NOUN
ajst-18344	3	12	power	power	NOUN
ajst-18344	3	13	drilling	drilling	NOUN
ajst-18344	3	14	tool	tool	NOUN
ajst-18344	3	15	,	,	PUNCT
ajst-18344	3	16	and	and	CCONJ
ajst-18344	3	17	the	the	DET
ajst-18344	3	18	bottom	bottom	NOUN
ajst-18344	3	19	of	of	ADP
ajst-18344	3	20	the	the	DET
ajst-18344	3	21	drilling	drilling	NOUN
ajst-18344	3	22	tool	tool	NOUN
ajst-18344	3	23	is	be	AUX
ajst-18344	3	24	directly	directly	ADV
ajst-18344	3	25	connected	connect	VERB
ajst-18344	3	26	to	to	ADP
ajst-18344	3	27	the	the	DET
ajst-18344	3	28	drill	drill	NOUN
ajst-18344	3	29	bit	bit	NOUN
ajst-18344	3	30	.	.	PUNCT
ajst-18344	4	1	during	during	ADP
ajst-18344	4	2	the	the	DET
ajst-18344	4	3	drilling	drilling	NOUN
ajst-18344	4	4	process	process	NOUN
ajst-18344	4	5	,	,	PUNCT
ajst-18344	4	6	the	the	DET
ajst-18344	4	7	drilling	drilling	NOUN
ajst-18344	4	8	tool	tool	NOUN
ajst-18344	4	9	will	will	AUX
ajst-18344	4	10	be	be	AUX
ajst-18344	4	11	directly	directly	ADV
ajst-18344	4	12	affected	affect	VERB
ajst-18344	4	13	by	by	ADP
ajst-18344	4	14	the	the	DET
ajst-18344	4	15	impact	impact	NOUN
ajst-18344	4	16	load	load	NOUN
ajst-18344	4	17	caused	cause	VERB
ajst-18344	4	18	by	by	ADP
ajst-18344	4	19	the	the	DET
ajst-18344	4	20	drill	drill	NOUN
ajst-18344	4	21	bit	bit	NOUN
ajst-18344	4	22	breaking	break	VERB
ajst-18344	4	23	the	the	DET
ajst-18344	4	24	rock	rock	NOUN
ajst-18344	4	25	.	.	PUNCT
ajst-18344	5	1	severe	severe	ADJ
ajst-18344	5	2	vibration	vibration	NOUN
ajst-18344	5	3	can	can	AUX
ajst-18344	5	4	easily	easily	ADV
ajst-18344	5	5	cause	cause	VERB
ajst-18344	5	6	drill	drill	NOUN
ajst-18344	5	7	tool	tool	NOUN
ajst-18344	5	8	bearings	bearing	NOUN
ajst-18344	5	9	to	to	PART
ajst-18344	5	10	break	break	VERB
ajst-18344	5	11	and	and	CCONJ
ajst-18344	5	12	fail	fail	VERB
ajst-18344	5	13	,	,	PUNCT
ajst-18344	5	14	threads	thread	NOUN
ajst-18344	5	15	to	to	PART
ajst-18344	5	16	trip	trip	NOUN
ajst-18344	5	17	and	and	CCONJ
ajst-18344	5	18	other	other	ADJ
ajst-18344	5	19	problems	problem	NOUN
ajst-18344	5	20	.	.	PUNCT
ajst-18344	6	1	the	the	DET
ajst-18344	6	2	new	new	ADJ
ajst-18344	6	3	pdm	pdm	NOUN
ajst-18344	6	4	vibration	vibration	NOUN
ajst-18344	6	5	damping	damp	VERB
ajst-18344	6	6	structure	structure	NOUN
ajst-18344	6	7	uses	use	VERB
ajst-18344	6	8	wear	wear	VERB
ajst-18344	6	9	-	-	PUNCT
ajst-18344	6	10	resistant	resistant	ADJ
ajst-18344	6	11	and	and	CCONJ
ajst-18344	6	12	heat	heat	NOUN
ajst-18344	6	13	-	-	PUNCT
ajst-18344	6	14	resistant	resistant	ADJ
ajst-18344	6	15	metal	metal	NOUN
ajst-18344	6	16	rubber	rubber	NOUN
ajst-18344	6	17	instead	instead	ADV
ajst-18344	6	18	of	of	ADP
ajst-18344	6	19	disc	disc	NOUN
ajst-18344	6	20	springs	spring	NOUN
ajst-18344	6	21	as	as	ADP
ajst-18344	6	22	energyabsorbing	energyabsorbe	VERB
ajst-18344	6	23	materials	material	NOUN
ajst-18344	6	24	,	,	PUNCT
ajst-18344	6	25	and	and	CCONJ
ajst-18344	6	26	designs	design	VERB
ajst-18344	6	27	a	a	DET
ajst-18344	6	28	"	"	PUNCT
ajst-18344	6	29	keyway	keyway	NOUN
ajst-18344	6	30	type	type	NOUN
ajst-18344	6	31	"	"	PUNCT
ajst-18344	6	32	vibration	vibration	NOUN
ajst-18344	6	33	damping	damp	VERB
ajst-18344	6	34	structure	structure	NOUN
ajst-18344	6	35	;	;	PUNCT
ajst-18344	6	36	a	a	DET
ajst-18344	6	37	two	two	NUM
ajst-18344	6	38	-	-	PUNCT
ajst-18344	6	39	degree	degree	NOUN
ajst-18344	6	40	-	-	PUNCT
ajst-18344	6	41	of	of	ADP
ajst-18344	6	42	-	-	PUNCT
ajst-18344	6	43	freedom	freedom	NOUN
ajst-18344	6	44	"	"	PUNCT
ajst-18344	6	45	spring	spring	NOUN
ajst-18344	6	46	mass	mass	NOUN
ajst-18344	6	47	"	"	PUNCT
ajst-18344	6	48	model	model	NOUN
ajst-18344	6	49	is	be	AUX
ajst-18344	6	50	established	establish	VERB
ajst-18344	6	51	based	base	VERB
ajst-18344	6	52	on	on	ADP
ajst-18344	6	53	actual	actual	ADJ
ajst-18344	6	54	working	working	NOUN
ajst-18344	6	55	conditions	condition	NOUN
ajst-18344	6	56	.	.	PUNCT
ajst-18344	7	1	,	,	PUNCT
ajst-18344	7	2	determine	determine	VERB
ajst-18344	7	3	the	the	DET
ajst-18344	7	4	basic	basic	ADJ
ajst-18344	7	5	size	size	NOUN
ajst-18344	7	6	of	of	ADP
ajst-18344	7	7	the	the	DET
ajst-18344	7	8	metal	metal	NOUN
ajst-18344	7	9	rubber	rubber	NOUN
ajst-18344	7	10	pad	pad	NOUN
ajst-18344	7	11	based	base	VERB
ajst-18344	7	12	on	on	ADP
ajst-18344	7	13	the	the	DET
ajst-18344	7	14	metal	metal	NOUN
ajst-18344	7	15	rubber	rubber	NOUN
ajst-18344	7	16	stress	stress	NOUN
ajst-18344	7	17	-	-	PUNCT
ajst-18344	7	18	strain	strain	NOUN
ajst-18344	7	19	curve	curve	NOUN
ajst-18344	7	20	,	,	PUNCT
ajst-18344	7	21	and	and	CCONJ
ajst-18344	7	22	bring	bring	VERB
ajst-18344	7	23	it	it	PRON
ajst-18344	7	24	into	into	ADP
ajst-18344	7	25	the	the	DET
ajst-18344	7	26	drilling	drilling	NOUN
ajst-18344	7	27	tool	tool	NOUN
ajst-18344	7	28	dynamics	dynamic	NOUN
ajst-18344	7	29	equation	equation	NOUN
ajst-18344	7	30	to	to	PART
ajst-18344	7	31	verify	verify	VERB
ajst-18344	7	32	that	that	SCONJ
ajst-18344	7	33	the	the	DET
ajst-18344	7	34	stiffness	stiffness	NOUN
ajst-18344	7	35	and	and	CCONJ
ajst-18344	7	36	damping	damp	VERB
ajst-18344	7	37	parameters	parameter	NOUN
ajst-18344	7	38	of	of	ADP
ajst-18344	7	39	the	the	DET
ajst-18344	7	40	metal	metal	NOUN
ajst-18344	7	41	rubber	rubber	NOUN
ajst-18344	7	42	pad	pad	NOUN
ajst-18344	7	43	will	will	AUX
ajst-18344	7	44	not	not	PART
ajst-18344	7	45	resonate	resonate	VERB
ajst-18344	7	46	;	;	PUNCT
ajst-18344	7	47	finally	finally	ADV
ajst-18344	7	48	,	,	PUNCT
ajst-18344	7	49	compare	compare	VERB
ajst-18344	7	50	the	the	DET
ajst-18344	7	51	drilling	drilling	NOUN
ajst-18344	7	52	conditions	condition	NOUN
ajst-18344	7	53	under	under	ADP
ajst-18344	7	54	different	different	ADJ
ajst-18344	7	55	excitations	excitation	NOUN
ajst-18344	7	56	in	in	ADP
ajst-18344	7	57	the	the	DET
ajst-18344	7	58	dynamics	dynamic	NOUN
ajst-18344	7	59	simulation	simulation	NOUN
ajst-18344	7	60	software	software	VERB
ajst-18344	7	61	the	the	DET
ajst-18344	7	62	amount	amount	NOUN
ajst-18344	7	63	of	of	ADP
ajst-18344	7	64	impact	impact	NOUN
ajst-18344	7	65	the	the	DET
ajst-18344	7	66	tool	tool	NOUN
ajst-18344	7	67	receives	receive	VERB
ajst-18344	7	68	.	.	PUNCT
ajst-18344	8	1	finally	finally	ADV
ajst-18344	8	2	,	,	PUNCT
ajst-18344	8	3	the	the	DET
ajst-18344	8	4	dynamics	dynamic	NOUN
ajst-18344	8	5	simulation	simulation	NOUN
ajst-18344	8	6	of	of	ADP
ajst-18344	8	7	the	the	DET
ajst-18344	8	8	new	new	ADJ
ajst-18344	8	9	vibration	vibration	NOUN
ajst-18344	8	10	-	-	PUNCT
ajst-18344	8	11	damping	damp	VERB
ajst-18344	8	12	drilling	drilling	NOUN
ajst-18344	8	13	tool	tool	NOUN
ajst-18344	8	14	under	under	ADP
ajst-18344	8	15	different	different	ADJ
ajst-18344	8	16	frequency	frequency	NOUN
ajst-18344	8	17	excitations	excitation	NOUN
ajst-18344	8	18	was	be	AUX
ajst-18344	8	19	carried	carry	VERB
ajst-18344	8	20	out	out	ADP
ajst-18344	8	21	in	in	ADP
ajst-18344	8	22	adams	adams	PROPN
ajst-18344	8	23	simulation	simulation	PROPN
ajst-18344	8	24	software	software	NOUN
ajst-18344	8	25	,	,	PUNCT
ajst-18344	8	26	and	and	CCONJ
ajst-18344	8	27	it	it	PRON
ajst-18344	8	28	was	be	AUX
ajst-18344	8	29	concluded	conclude	VERB
ajst-18344	8	30	that	that	SCONJ
ajst-18344	8	31	in	in	ADP
ajst-18344	8	32	the	the	DET
ajst-18344	8	33	common	common	ADJ
ajst-18344	8	34	working	working	NOUN
ajst-18344	8	35	environment	environment	NOUN
ajst-18344	8	36	of	of	ADP
ajst-18344	8	37	6	6	NUM
ajst-18344	8	38	-	-	SYM
ajst-18344	8	39	15	15	NUM
ajst-18344	8	40	hz	hz	NOUN
ajst-18344	8	41	,	,	PUNCT
ajst-18344	8	42	the	the	DET
ajst-18344	8	43	new	new	ADJ
ajst-18344	8	44	vibration	vibration	NOUN
ajst-18344	8	45	-	-	PUNCT
ajst-18344	8	46	damping	damp	VERB
ajst-18344	8	47	drilling	drilling	NOUN
ajst-18344	8	48	tool	tool	NOUN
ajst-18344	8	49	can	can	AUX
ajst-18344	8	50	effectively	effectively	ADV
ajst-18344	8	51	reduce	reduce	VERB
ajst-18344	8	52	the	the	DET
ajst-18344	8	53	stress	stress	NOUN
ajst-18344	8	54	on	on	ADP
ajst-18344	8	55	the	the	DET
ajst-18344	8	56	drilling	drilling	NOUN
ajst-18344	8	57	tool	tool	NOUN
ajst-18344	8	58	.	.	PUNCT
ajst-18344	9	1	impact	impact	NOUN
ajst-18344	9	2	force	force	NOUN
ajst-18344	9	3	,	,	PUNCT
ajst-18344	9	4	the	the	DET
ajst-18344	9	5	new	new	ADJ
ajst-18344	9	6	vibration	vibration	NOUN
ajst-18344	9	7	-	-	PUNCT
ajst-18344	9	8	damping	damp	VERB
ajst-18344	9	9	drilling	drilling	NOUN
ajst-18344	9	10	tool	tool	NOUN
ajst-18344	9	11	can	can	AUX
ajst-18344	9	12	reduce	reduce	VERB
ajst-18344	9	13	the	the	DET
ajst-18344	9	14	impact	impact	NOUN
ajst-18344	9	15	force	force	NOUN
ajst-18344	9	16	by	by	ADP
ajst-18344	9	17	about	about	ADV
ajst-18344	9	18	40	40	NUM
ajst-18344	9	19	%	%	NOUN
ajst-18344	9	20	when	when	SCONJ
ajst-18344	9	21	excited	excited	ADJ
ajst-18344	9	22	at	at	ADP
ajst-18344	9	23	12	12	NUM
ajst-18344	9	24	,	,	PUNCT
ajst-18344	9	25	15	15	NUM
ajst-18344	9	26	hz	hz	VERB
ajst-18344	9	27	.	.	PUNCT
ajst-18344	10	1	the	the	DET
ajst-18344	10	2	conclusions	conclusion	NOUN
ajst-18344	10	3	drawn	draw	VERB
ajst-18344	10	4	from	from	ADP
ajst-18344	10	5	the	the	DET
ajst-18344	10	6	study	study	NOUN
ajst-18344	10	7	have	have	VERB
ajst-18344	10	8	reference	reference	NOUN
ajst-18344	10	9	value	value	NOUN
ajst-18344	10	10	for	for	ADP
ajst-18344	10	11	the	the	DET
ajst-18344	10	12	development	development	NOUN
ajst-18344	10	13	of	of	ADP
ajst-18344	10	14	long	long	ADJ
ajst-18344	10	15	-	-	PUNCT
ajst-18344	10	16	life	life	NOUN
ajst-18344	10	17	drilling	drilling	NOUN
ajst-18344	10	18	tools	tool	NOUN
ajst-18344	10	19	and	and	CCONJ
ajst-18344	10	20	the	the	DET
ajst-18344	10	21	design	design	NOUN
ajst-18344	10	22	of	of	ADP
ajst-18344	10	23	drilling	drilling	NOUN
ajst-18344	10	24	tool	tool	NOUN
ajst-18344	10	25	vibration	vibration	NOUN
ajst-18344	10	26	damping	damp	VERB
ajst-18344	10	27	structures	structure	NOUN
ajst-18344	10	28	.	.	PUNCT
ajst-18344	11	1	keywords	keyword	NOUN
ajst-18344	11	2	:	:	PUNCT
ajst-18344	11	3	positive	positive	ADJ
ajst-18344	11	4	displacement	displacement	ADJ
ajst-18344	11	5	motor	motor	NOUN
ajst-18344	11	6	,	,	PUNCT
ajst-18344	11	7	metal	metal	NOUN
ajst-18344	11	8	rubber	rubber	NOUN
ajst-18344	11	9	,	,	PUNCT
ajst-18344	11	10	shock	shock	NOUN
ajst-18344	11	11	absorber	absorber	NOUN
ajst-18344	11	12	,	,	PUNCT
ajst-18344	11	13	dynamic	dynamic	ADJ
ajst-18344	11	14	simulation	simulation	NOUN
ajst-18344	11	15	.	.	PUNCT
ajst-18344	12	1	1	1	X
ajst-18344	12	2	.	.	X
ajst-18344	12	3	introduction	introduction	NOUN
ajst-18344	12	4	pdm	pdm	PROPN
ajst-18344	12	5	is	be	AUX
ajst-18344	12	6	a	a	DET
ajst-18344	12	7	type	type	NOUN
ajst-18344	12	8	of	of	ADP
ajst-18344	12	9	downhole	downhole	NOUN
ajst-18344	12	10	power	power	NOUN
ajst-18344	12	11	drilling	drilling	NOUN
ajst-18344	12	12	tool	tool	NOUN
ajst-18344	12	13	,	,	PUNCT
ajst-18344	12	14	commonly	commonly	ADV
ajst-18344	12	15	used	use	VERB
ajst-18344	12	16	in	in	ADP
ajst-18344	12	17	complex	complex	ADJ
ajst-18344	12	18	drilling	drilling	NOUN
ajst-18344	12	19	operations	operation	NOUN
ajst-18344	12	20	such	such	ADJ
ajst-18344	12	21	as	as	ADP
ajst-18344	12	22	large	large	ADJ
ajst-18344	12	23	displacement	displacement	NOUN
ajst-18344	12	24	,	,	PUNCT
ajst-18344	12	25	horizontal	horizontal	ADJ
ajst-18344	12	26	wells	well	NOUN
ajst-18344	12	27	,	,	PUNCT
ajst-18344	12	28	and	and	CCONJ
ajst-18344	12	29	multi	multi	ADJ
ajst-18344	12	30	branch	branch	NOUN
ajst-18344	12	31	wells	well	NOUN
ajst-18344	12	32	due	due	ADP
ajst-18344	12	33	to	to	ADP
ajst-18344	12	34	its	its	PRON
ajst-18344	12	35	high	high	ADJ
ajst-18344	12	36	torque	torque	NOUN
ajst-18344	12	37	,	,	PUNCT
ajst-18344	12	38	low	low	ADJ
ajst-18344	12	39	speed	speed	NOUN
ajst-18344	12	40	,	,	PUNCT
ajst-18344	12	41	hard	hard	ADJ
ajst-18344	12	42	output	output	NOUN
ajst-18344	12	43	characteristics	characteristic	NOUN
ajst-18344	12	44	,	,	PUNCT
ajst-18344	12	45	and	and	CCONJ
ajst-18344	12	46	low	low	ADJ
ajst-18344	12	47	cost	cost	NOUN
ajst-18344	12	48	.	.	PUNCT
ajst-18344	13	1	however	however	ADV
ajst-18344	13	2	,	,	PUNCT
ajst-18344	13	3	the	the	DET
ajst-18344	13	4	service	service	NOUN
ajst-18344	13	5	life	life	NOUN
ajst-18344	13	6	of	of	ADP
ajst-18344	13	7	screw	screw	ADJ
ajst-18344	13	8	drilling	drilling	NOUN
ajst-18344	13	9	tools	tool	NOUN
ajst-18344	13	10	is	be	AUX
ajst-18344	13	11	generally	generally	ADV
ajst-18344	13	12	only	only	ADV
ajst-18344	13	13	150	150	NUM
ajst-18344	13	14	-	-	SYM
ajst-18344	13	15	200	200	NUM
ajst-18344	13	16	hours	hour	NOUN
ajst-18344	13	17	,	,	PUNCT
ajst-18344	13	18	and	and	CCONJ
ajst-18344	13	19	vibration	vibration	NOUN
ajst-18344	13	20	is	be	AUX
ajst-18344	13	21	one	one	NUM
ajst-18344	13	22	of	of	ADP
ajst-18344	13	23	the	the	DET
ajst-18344	13	24	important	important	ADJ
ajst-18344	13	25	reasons	reason	NOUN
ajst-18344	13	26	for	for	ADP
ajst-18344	13	27	the	the	DET
ajst-18344	13	28	failure	failure	NOUN
ajst-18344	13	29	of	of	ADP
ajst-18344	13	30	screw	screw	ADJ
ajst-18344	13	31	drilling	drilling	NOUN
ajst-18344	13	32	tools	tool	NOUN
ajst-18344	13	33	.	.	PUNCT
ajst-18344	14	1	axial	axial	ADJ
ajst-18344	14	2	vibration	vibration	NOUN
ajst-18344	14	3	is	be	AUX
ajst-18344	14	4	widely	widely	ADV
ajst-18344	14	5	recognized	recognize	VERB
ajst-18344	14	6	as	as	ADP
ajst-18344	14	7	the	the	DET
ajst-18344	14	8	most	most	ADV
ajst-18344	14	9	harmful	harmful	ADJ
ajst-18344	14	10	form	form	NOUN
ajst-18344	14	11	of	of	ADP
ajst-18344	14	12	drill	drill	NOUN
ajst-18344	14	13	string	string	NOUN
ajst-18344	14	14	vibration	vibration	NOUN
ajst-18344	14	15	,	,	PUNCT
ajst-18344	14	16	and	and	CCONJ
ajst-18344	14	17	the	the	DET
ajst-18344	14	18	main	main	ADJ
ajst-18344	14	19	reason	reason	NOUN
ajst-18344	14	20	for	for	ADP
ajst-18344	14	21	axial	axial	ADJ
ajst-18344	14	22	vibration	vibration	NOUN
ajst-18344	14	23	is	be	AUX
ajst-18344	14	24	the	the	DET
ajst-18344	14	25	irregular	irregular	ADJ
ajst-18344	14	26	collision	collision	NOUN
ajst-18344	14	27	between	between	ADP
ajst-18344	14	28	the	the	DET
ajst-18344	14	29	drill	drill	NOUN
ajst-18344	14	30	bit	bit	NOUN
ajst-18344	14	31	and	and	CCONJ
ajst-18344	14	32	the	the	DET
ajst-18344	14	33	rock	rock	NOUN
ajst-18344	14	34	during	during	ADP
ajst-18344	14	35	drilling	drill	VERB
ajst-18344	14	36	in	in	ADP
ajst-18344	14	37	complex	complex	ADJ
ajst-18344	14	38	formations	formation	NOUN
ajst-18344	14	39	.	.	PUNCT
ajst-18344	15	1	easy	easy	ADJ
ajst-18344	15	2	to	to	PART
ajst-18344	15	3	cause	cause	VERB
ajst-18344	15	4	failure	failure	NOUN
ajst-18344	15	5	and	and	CCONJ
ajst-18344	15	6	fracture	fracture	NOUN
ajst-18344	15	7	of	of	ADP
ajst-18344	15	8	drilling	drilling	NOUN
ajst-18344	15	9	tool	tool	NOUN
ajst-18344	15	10	transmission	transmission	NOUN
ajst-18344	15	11	shaft	shaft	NOUN
ajst-18344	15	12	and	and	CCONJ
ajst-18344	15	13	bearings	bearing	NOUN
ajst-18344	15	14	.	.	PUNCT
ajst-18344	16	1	in	in	ADP
ajst-18344	16	2	the	the	DET
ajst-18344	16	3	relevant	relevant	ADJ
ajst-18344	16	4	research	research	NOUN
ajst-18344	16	5	on	on	ADP
ajst-18344	16	6	vibration	vibration	NOUN
ajst-18344	16	7	damping	damp	VERB
ajst-18344	16	8	of	of	ADP
ajst-18344	16	9	drilling	drilling	NOUN
ajst-18344	16	10	tools	tool	NOUN
ajst-18344	16	11	,	,	PUNCT
ajst-18344	16	12	finnie	finnie	NOUN
ajst-18344	16	13	i	i	PROPN
ajst-18344	16	14	and	and	CCONJ
ajst-18344	16	15	batley	batley	PROPN
ajst-18344	16	16	j	j	PROPN
ajst-18344	16	17	obtained	obtain	VERB
ajst-18344	16	18	an	an	DET
ajst-18344	16	19	approximate	approximate	ADJ
ajst-18344	16	20	natural	natural	ADJ
ajst-18344	16	21	frequency	frequency	NOUN
ajst-18344	16	22	of	of	ADP
ajst-18344	16	23	the	the	DET
ajst-18344	16	24	drill	drill	NOUN
ajst-18344	16	25	string	string	NOUN
ajst-18344	16	26	through	through	ADP
ajst-18344	16	27	experimental	experimental	ADJ
ajst-18344	16	28	methods	method	NOUN
ajst-18344	16	29	,	,	PUNCT
ajst-18344	16	30	ignoring	ignore	VERB
ajst-18344	16	31	nonlinear	nonlinear	ADJ
ajst-18344	16	32	factors	factor	NOUN
ajst-18344	16	33	such	such	ADJ
ajst-18344	16	34	as	as	ADP
ajst-18344	16	35	damping[1]-[2	damping[1]-[2	PROPN
ajst-18344	16	36	]	]	PUNCT
ajst-18344	16	37	;	;	PUNCT
ajst-18344	16	38	skaogen	skaogen	PROPN
ajst-18344	16	39	et	et	PROPN
ajst-18344	16	40	al	al	PROPN
ajst-18344	16	41	.	.	PROPN
ajst-18344	16	42	tested	test	VERB
ajst-18344	16	43	the	the	DET
ajst-18344	16	44	vibration	vibration	NOUN
ajst-18344	16	45	damping	damp	VERB
ajst-18344	16	46	effects	effect	NOUN
ajst-18344	16	47	of	of	ADP
ajst-18344	16	48	different	different	ADJ
ajst-18344	16	49	types	type	NOUN
ajst-18344	16	50	of	of	ADP
ajst-18344	16	51	dampers	damper	NOUN
ajst-18344	16	52	within	within	ADP
ajst-18344	16	53	a	a	DET
ajst-18344	16	54	certain	certain	ADJ
ajst-18344	16	55	speed	speed	NOUN
ajst-18344	16	56	range	range	NOUN
ajst-18344	16	57	using	use	VERB
ajst-18344	16	58	mwd	mwd	PROPN
ajst-18344	16	59	equipment	equipment	NOUN
ajst-18344	16	60	[	[	X
ajst-18344	16	61	3	3	NUM
ajst-18344	16	62	]	]	PUNCT
ajst-18344	16	63	;	;	PUNCT
ajst-18344	16	64	liu	liu	PROPN
ajst-18344	16	65	ju	ju	PROPN
ajst-18344	16	66	bao	bao	PROPN
ajst-18344	16	67	,	,	PUNCT
ajst-18344	16	68	zhang	zhang	PROPN
ajst-18344	16	69	xue	xue	PROPN
ajst-18344	16	70	hong	hong	PROPN
ajst-18344	16	71	,	,	PUNCT
ajst-18344	16	72	[	[	X
ajst-18344	16	73	4]and	4]and	NUM
ajst-18344	16	74	others	other	NOUN
ajst-18344	16	75	established	establish	VERB
ajst-18344	16	76	a	a	DET
ajst-18344	16	77	mechanical	mechanical	ADJ
ajst-18344	16	78	model	model	NOUN
ajst-18344	16	79	for	for	ADP
ajst-18344	16	80	deep	deep	ADJ
ajst-18344	16	81	well	well	ADV
ajst-18344	16	82	drilling	drilling	NOUN
ajst-18344	16	83	string	string	NOUN
ajst-18344	16	84	vibration	vibration	NOUN
ajst-18344	16	85	analysis	analysis	NOUN
ajst-18344	16	86	through	through	ADP
ajst-18344	16	87	dynamic	dynamic	ADJ
ajst-18344	16	88	simulation	simulation	NOUN
ajst-18344	16	89	based	base	VERB
ajst-18344	16	90	on	on	ADP
ajst-18344	16	91	on	on	ADP
ajst-18344	16	92	-	-	PUNCT
ajst-18344	16	93	site	site	NOUN
ajst-18344	16	94	data	datum	NOUN
ajst-18344	16	95	,	,	PUNCT
ajst-18344	16	96	and	and	CCONJ
ajst-18344	16	97	obtained	obtain	VERB
ajst-18344	16	98	the	the	DET
ajst-18344	16	99	optimal	optimal	ADJ
ajst-18344	16	100	placement	placement	NOUN
ajst-18344	16	101	position	position	NOUN
ajst-18344	16	102	of	of	ADP
ajst-18344	16	103	the	the	DET
ajst-18344	16	104	shock	shock	NOUN
ajst-18344	16	105	absorber	absorber	NOUN
ajst-18344	16	106	within	within	ADP
ajst-18344	16	107	a	a	DET
ajst-18344	16	108	depth	depth	NOUN
ajst-18344	16	109	range	range	NOUN
ajst-18344	16	110	of	of	ADP
ajst-18344	16	111	3000	3000	NUM
ajst-18344	16	112	meters	meter	NOUN
ajst-18344	16	113	.	.	PUNCT
ajst-18344	17	1	aps	aps	PROPN
ajst-18344	17	2	has	have	AUX
ajst-18344	17	3	developed	develop	VERB
ajst-18344	17	4	a	a	DET
ajst-18344	17	5	magnetorheological	magnetorheological	ADJ
ajst-18344	17	6	active	active	ADJ
ajst-18344	17	7	vibration	vibration	NOUN
ajst-18344	17	8	damper	damper	NOUN
ajst-18344	17	9	(	(	PUNCT
ajst-18344	17	10	avd	avd	PROPN
ajst-18344	17	11	)	)	PUNCT
ajst-18344	17	12	and	and	CCONJ
ajst-18344	17	13	has	have	AUX
ajst-18344	17	14	demonstrated	demonstrate	VERB
ajst-18344	17	15	through	through	ADP
ajst-18344	17	16	experiments	experiment	NOUN
ajst-18344	17	17	that	that	SCONJ
ajst-18344	17	18	it	it	PRON
ajst-18344	17	19	can	can	AUX
ajst-18344	17	20	improve	improve	VERB
ajst-18344	17	21	mechanical	mechanical	ADJ
ajst-18344	17	22	drilling	drilling	NOUN
ajst-18344	17	23	speed	speed	NOUN
ajst-18344	17	24	[	[	X
ajst-18344	17	25	5	5	NUM
ajst-18344	17	26	]	]	PUNCT
ajst-18344	17	27	;	;	PUNCT
ajst-18344	17	28	li	li	PROPN
ajst-18344	17	29	zi	zi	PROPN
ajst-18344	17	30	feng[6	feng[6	PROPN
ajst-18344	17	31	]	]	PUNCT
ajst-18344	17	32	used	use	VERB
ajst-18344	17	33	the	the	DET
ajst-18344	17	34	method	method	NOUN
ajst-18344	17	35	of	of	ADP
ajst-18344	17	36	separating	separate	VERB
ajst-18344	17	37	variables	variable	NOUN
ajst-18344	17	38	to	to	PART
ajst-18344	17	39	solve	solve	VERB
ajst-18344	17	40	the	the	DET
ajst-18344	17	41	vibration	vibration	NOUN
ajst-18344	17	42	model	model	NOUN
ajst-18344	17	43	of	of	ADP
ajst-18344	17	44	drilling	drilling	NOUN
ajst-18344	17	45	tools	tool	NOUN
ajst-18344	17	46	,	,	PUNCT
ajst-18344	17	47	and	and	CCONJ
ajst-18344	17	48	concluded	conclude	VERB
ajst-18344	17	49	that	that	SCONJ
ajst-18344	17	50	incorrect	incorrect	ADJ
ajst-18344	17	51	parameter	parameter	NOUN
ajst-18344	17	52	selection	selection	NOUN
ajst-18344	17	53	of	of	ADP
ajst-18344	17	54	vibration	vibration	NOUN
ajst-18344	17	55	dampers	damper	NOUN
ajst-18344	17	56	may	may	AUX
ajst-18344	17	57	lead	lead	VERB
ajst-18344	17	58	to	to	ADP
ajst-18344	17	59	intensified	intensified	ADJ
ajst-18344	17	60	vibration	vibration	NOUN
ajst-18344	17	61	of	of	ADP
ajst-18344	17	62	downhole	downhole	NOUN
ajst-18344	17	63	drilling	drilling	NOUN
ajst-18344	17	64	tools	tool	NOUN
ajst-18344	17	65	;	;	PUNCT
ajst-18344	17	66	zhang	zhang	PROPN
ajst-18344	17	67	xiaodong	xiaodong	PROPN
ajst-18344	17	68	et	et	PROPN
ajst-18344	17	69	al.[7	al.[7	PROPN
ajst-18344	17	70	]	]	PUNCT
ajst-18344	17	71	regarded	regard	VERB
ajst-18344	17	72	drilling	drilling	NOUN
ajst-18344	17	73	tools	tool	NOUN
ajst-18344	17	74	as	as	ADP
ajst-18344	17	75	a	a	DET
ajst-18344	17	76	seven	seven	NUM
ajst-18344	17	77	degree	degree	NOUN
ajst-18344	17	78	of	of	ADP
ajst-18344	17	79	freedom	freedom	NOUN
ajst-18344	17	80	model	model	NOUN
ajst-18344	17	81	and	and	CCONJ
ajst-18344	17	82	studied	study	VERB
ajst-18344	17	83	the	the	DET
ajst-18344	17	84	influence	influence	NOUN
ajst-18344	17	85	of	of	ADP
ajst-18344	17	86	shock	shock	NOUN
ajst-18344	17	87	absorber	absorber	NOUN
ajst-18344	17	88	installation	installation	NOUN
ajst-18344	17	89	position	position	NOUN
ajst-18344	17	90	and	and	CCONJ
ajst-18344	17	91	stiffness	stiffness	NOUN
ajst-18344	17	92	on	on	ADP
ajst-18344	17	93	vibration	vibration	NOUN
ajst-18344	17	94	isolation	isolation	NOUN
ajst-18344	17	95	effect	effect	NOUN
ajst-18344	17	96	.	.	PUNCT
ajst-18344	18	1	the	the	DET
ajst-18344	18	2	limited	limited	ADJ
ajst-18344	18	3	size	size	NOUN
ajst-18344	18	4	and	and	CCONJ
ajst-18344	18	5	large	large	ADJ
ajst-18344	18	6	working	working	NOUN
ajst-18344	18	7	load	load	NOUN
ajst-18344	18	8	of	of	ADP
ajst-18344	18	9	screw	screw	ADJ
ajst-18344	18	10	drilling	drilling	NOUN
ajst-18344	18	11	tools	tool	NOUN
ajst-18344	18	12	limit	limit	VERB
ajst-18344	18	13	the	the	DET
ajst-18344	18	14	design	design	NOUN
ajst-18344	18	15	of	of	ADP
ajst-18344	18	16	vibration	vibration	NOUN
ajst-18344	18	17	damping	damp	VERB
ajst-18344	18	18	structures	structure	NOUN
ajst-18344	18	19	.	.	PUNCT
ajst-18344	19	1	metal	metal	NOUN
ajst-18344	19	2	rubber	rubber	NOUN
ajst-18344	19	3	has	have	VERB
ajst-18344	19	4	the	the	DET
ajst-18344	19	5	characteristics	characteristic	NOUN
ajst-18344	19	6	of	of	ADP
ajst-18344	19	7	large	large	ADJ
ajst-18344	19	8	damping	damp	VERB
ajst-18344	19	9	,	,	PUNCT
ajst-18344	19	10	high	high	ADJ
ajst-18344	19	11	temperature	temperature	NOUN
ajst-18344	19	12	resistance	resistance	NOUN
ajst-18344	19	13	,	,	PUNCT
ajst-18344	19	14	strong	strong	ADJ
ajst-18344	19	15	energy	energy	NOUN
ajst-18344	19	16	absorption	absorption	NOUN
ajst-18344	19	17	ability	ability	NOUN
ajst-18344	19	18	,	,	PUNCT
ajst-18344	19	19	long	long	ADJ
ajst-18344	19	20	service	service	NOUN
ajst-18344	19	21	life	life	NOUN
ajst-18344	19	22	,	,	PUNCT
ajst-18344	19	23	and	and	CCONJ
ajst-18344	19	24	wear	wear	VERB
ajst-18344	19	25	resistance	resistance	NOUN
ajst-18344	19	26	.	.	PUNCT
ajst-18344	20	1	compared	compare	VERB
ajst-18344	20	2	with	with	ADP
ajst-18344	20	3	the	the	DET
ajst-18344	20	4	commonly	commonly	ADV
ajst-18344	20	5	used	use	VERB
ajst-18344	20	6	disc	disc	NOUN
ajst-18344	20	7	spring	spring	NOUN
ajst-18344	20	8	vibration	vibration	NOUN
ajst-18344	20	9	damping	damp	VERB
ajst-18344	20	10	structure	structure	NOUN
ajst-18344	20	11	in	in	ADP
ajst-18344	20	12	downhole	downhole	NOUN
ajst-18344	20	13	equipment	equipment	NOUN
ajst-18344	20	14	,	,	PUNCT
ajst-18344	20	15	it	it	PRON
ajst-18344	20	16	is	be	AUX
ajst-18344	20	17	more	more	ADV
ajst-18344	20	18	suitable	suitable	ADJ
ajst-18344	20	19	for	for	ADP
ajst-18344	20	20	harsh	harsh	ADJ
ajst-18344	20	21	drilling	drilling	NOUN
ajst-18344	20	22	working	work	VERB
ajst-18344	20	23	environments	environment	NOUN
ajst-18344	20	24	.	.	PUNCT
ajst-18344	21	1	therefore	therefore	ADV
ajst-18344	21	2	,	,	PUNCT
ajst-18344	21	3	this	this	DET
ajst-18344	21	4	article	article	NOUN
ajst-18344	21	5	refers	refer	VERB
ajst-18344	21	6	to	to	ADP
ajst-18344	21	7	actual	actual	ADJ
ajst-18344	21	8	operating	operating	NOUN
ajst-18344	21	9	parameters	parameter	NOUN
ajst-18344	21	10	and	and	CCONJ
ajst-18344	21	11	designs	design	VERB
ajst-18344	21	12	a	a	DET
ajst-18344	21	13	new	new	ADJ
ajst-18344	21	14	type	type	NOUN
ajst-18344	21	15	of	of	ADP
ajst-18344	21	16	vibration	vibration	NOUN
ajst-18344	21	17	damping	damp	VERB
ajst-18344	21	18	structure	structure	NOUN
ajst-18344	21	19	for	for	ADP
ajst-18344	21	20	screw	screw	ADJ
ajst-18344	21	21	drilling	drilling	NOUN
ajst-18344	21	22	tools	tool	NOUN
ajst-18344	21	23	.	.	PUNCT
ajst-18344	22	1	the	the	DET
ajst-18344	22	2	vibration	vibration	NOUN
ajst-18344	22	3	damping	damp	VERB
ajst-18344	22	4	effect	effect	NOUN
ajst-18344	22	5	under	under	ADP
ajst-18344	22	6	different	different	ADJ
ajst-18344	22	7	damping	damping	NOUN
ajst-18344	22	8	and	and	CCONJ
ajst-18344	22	9	stiffness	stiffness	NOUN
ajst-18344	22	10	is	be	AUX
ajst-18344	22	11	calculated	calculate	VERB
ajst-18344	22	12	through	through	ADP
ajst-18344	22	13	numerical	numerical	PROPN
ajst-18344	22	14	simulation	simulation	PROPN
ajst-18344	22	15	.	.	PUNCT
ajst-18344	23	1	the	the	DET
ajst-18344	23	2	material	material	NOUN
ajst-18344	23	3	and	and	CCONJ
ajst-18344	23	4	size	size	NOUN
ajst-18344	23	5	of	of	ADP
ajst-18344	23	6	metal	metal	NOUN
ajst-18344	23	7	rubber	rubber	NOUN
ajst-18344	23	8	are	be	AUX
ajst-18344	23	9	determined	determine	VERB
ajst-18344	23	10	based	base	VERB
ajst-18344	23	11	on	on	ADP
ajst-18344	23	12	the	the	DET
ajst-18344	23	13	calculation	calculation	NOUN
ajst-18344	23	14	results	result	NOUN
ajst-18344	23	15	.	.	PUNCT
ajst-18344	24	1	finally	finally	ADV
ajst-18344	24	2	,	,	PUNCT
ajst-18344	24	3	the	the	DET
ajst-18344	24	4	vibration	vibration	NOUN
ajst-18344	24	5	damping	damp	VERB
ajst-18344	24	6	effect	effect	NOUN
ajst-18344	24	7	is	be	AUX
ajst-18344	24	8	verified	verify	VERB
ajst-18344	24	9	through	through	ADP
ajst-18344	24	10	dynamic	dynamic	ADJ
ajst-18344	24	11	simulation	simulation	NOUN
ajst-18344	24	12	.	.	PUNCT
ajst-18344	25	1	the	the	DET
ajst-18344	25	2	simulation	simulation	NOUN
ajst-18344	25	3	results	result	NOUN
ajst-18344	25	4	and	and	CCONJ
ajst-18344	25	5	calculations	calculation	NOUN
ajst-18344	25	6	can	can	AUX
ajst-18344	25	7	provide	provide	VERB
ajst-18344	25	8	reference	reference	NOUN
ajst-18344	25	9	for	for	ADP
ajst-18344	25	10	future	future	ADJ
ajst-18344	25	11	vibration	vibration	NOUN
ajst-18344	25	12	damping	damp	VERB
ajst-18344	25	13	structure	structure	NOUN
ajst-18344	25	14	design.[8	design.[8	X
ajst-18344	25	15	]	]	PUNCT
ajst-18344	25	16	2	2	X
ajst-18344	25	17	.	.	X
ajst-18344	25	18	design	design	NOUN
ajst-18344	25	19	of	of	ADP
ajst-18344	25	20	new	new	ADJ
ajst-18344	25	21	vibration	vibration	NOUN
ajst-18344	25	22	damping	damp	VERB
ajst-18344	25	23	structure	structure	NOUN
ajst-18344	25	24	for	for	ADP
ajst-18344	25	25	pdm	pdm	PROPN
ajst-18344	25	26	2.1	2.1	NUM
ajst-18344	25	27	.	.	PUNCT
ajst-18344	26	1	the	the	DET
ajst-18344	26	2	working	work	VERB
ajst-18344	26	3	principle	principle	NOUN
ajst-18344	26	4	of	of	ADP
ajst-18344	26	5	the	the	DET
ajst-18344	26	6	new	new	ADJ
ajst-18344	26	7	pdm	pdm	NOUN
ajst-18344	26	8	pdm	pdm	NOUN
ajst-18344	26	9	is	be	AUX
ajst-18344	26	10	a	a	DET
ajst-18344	26	11	volumetric	volumetric	ADJ
ajst-18344	26	12	downhole	downhole	NOUN
ajst-18344	26	13	power	power	NOUN
ajst-18344	26	14	drilling	drilling	NOUN
ajst-18344	26	15	tool	tool	NOUN
ajst-18344	26	16	.	.	PUNCT
ajst-18344	27	1	it	it	PRON
ajst-18344	27	2	usually	usually	ADV
ajst-18344	27	3	consists	consist	VERB
ajst-18344	27	4	of	of	ADP
ajst-18344	27	5	five	five	NUM
ajst-18344	27	6	parts	part	NOUN
ajst-18344	27	7	,	,	PUNCT
ajst-18344	27	8	namely	namely	ADV
ajst-18344	27	9	the	the	DET
ajst-18344	27	10	bypass	bypass	NOUN
ajst-18344	27	11	valve	valve	NOUN
ajst-18344	27	12	assembly	assembly	NOUN
ajst-18344	27	13	,	,	PUNCT
ajst-18344	27	14	the	the	DET
ajst-18344	27	15	anti	anti	ADJ
ajst-18344	27	16	-	-	ADJ
ajst-18344	27	17	dropping	dropping	ADJ
ajst-18344	27	18	assembly	assembly	NOUN
ajst-18344	27	19	,	,	PUNCT
ajst-18344	27	20	the	the	DET
ajst-18344	27	21	power	power	NOUN
ajst-18344	27	22	assembly	assembly	NOUN
ajst-18344	27	23	,	,	PUNCT
ajst-18344	27	24	the	the	DET
ajst-18344	27	25	universal	universal	ADJ
ajst-18344	27	26	assembly	assembly	NOUN
ajst-18344	27	27	,	,	PUNCT
ajst-18344	27	28	and	and	CCONJ
ajst-18344	27	29	the	the	DET
ajst-18344	27	30	transmission	transmission	NOUN
ajst-18344	27	31	assembly	assembly	NOUN
ajst-18344	27	32	.	.	PUNCT
ajst-18344	28	1	when	when	SCONJ
ajst-18344	28	2	the	the	DET
ajst-18344	28	3	drilling	drilling	NOUN
ajst-18344	28	4	tool	tool	NOUN
ajst-18344	28	5	is	be	AUX
ajst-18344	28	6	working	work	VERB
ajst-18344	28	7	,	,	PUNCT
ajst-18344	28	8	the	the	DET
ajst-18344	28	9	mud	mud	NOUN
ajst-18344	28	10	drilling	drilling	NOUN
ajst-18344	28	11	fluid	fluid	NOUN
ajst-18344	28	12	enters	enter	VERB
ajst-18344	28	13	the	the	DET
ajst-18344	28	14	motor	motor	NOUN
ajst-18344	28	15	through	through	ADP
ajst-18344	28	16	the	the	DET
ajst-18344	28	17	bypass	bypass	NOUN
ajst-18344	28	18	valve	valve	NOUN
ajst-18344	28	19	.	.	PUNCT
ajst-18344	29	1	there	there	PRON
ajst-18344	29	2	is	be	VERB
ajst-18344	29	3	a	a	DET
ajst-18344	29	4	hydraulic	hydraulic	ADJ
ajst-18344	29	5	pressure	pressure	NOUN
ajst-18344	29	6	drop	drop	NOUN
ajst-18344	29	7	between	between	ADP
ajst-18344	29	8	the	the	DET
ajst-18344	29	9	inlet	inlet	NOUN
ajst-18344	29	10	and	and	CCONJ
ajst-18344	29	11	outlet	outlet	NOUN
ajst-18344	29	12	of	of	ADP
ajst-18344	29	13	the	the	DET
ajst-18344	29	14	motor	motor	NOUN
ajst-18344	29	15	,	,	PUNCT
ajst-18344	29	16	which	which	PRON
ajst-18344	29	17	drives	drive	VERB
ajst-18344	29	18	the	the	DET
ajst-18344	29	19	motor	motor	NOUN
ajst-18344	29	20	rotor	rotor	NOUN
ajst-18344	29	21	to	to	PART
ajst-18344	29	22	perform	perform	VERB
ajst-18344	29	23	planetary	planetary	ADJ
ajst-18344	29	24	motion	motion	NOUN
ajst-18344	29	25	around	around	ADP
ajst-18344	29	26	the	the	DET
ajst-18344	29	27	stator	stator	NOUN
ajst-18344	29	28	.	.	PUNCT
ajst-18344	30	1	the	the	DET
ajst-18344	30	2	torque	torque	NOUN
ajst-18344	30	3	and	and	CCONJ
ajst-18344	30	4	speed	speed	NOUN
ajst-18344	30	5	generated	generate	VERB
ajst-18344	30	6	when	when	SCONJ
ajst-18344	30	7	the	the	DET
ajst-18344	30	8	rotor	rotor	NOUN
ajst-18344	30	9	rotates	rotate	VERB
ajst-18344	30	10	pass	pass	VERB
ajst-18344	30	11	through	through	ADP
ajst-18344	30	12	the	the	DET
ajst-18344	30	13	universal	universal	ADJ
ajst-18344	30	14	shaft	shaft	NOUN
ajst-18344	30	15	and	and	CCONJ
ajst-18344	30	16	transmission	transmission	NOUN
ajst-18344	30	17	.	.	PUNCT
ajst-18344	31	1	the	the	DET
ajst-18344	31	2	shaft	shaft	NOUN
ajst-18344	31	3	is	be	AUX
ajst-18344	31	4	output	output	NOUN
ajst-18344	31	5	to	to	ADP
ajst-18344	31	6	the	the	DET
ajst-18344	31	7	drill	drill	NOUN
ajst-18344	31	8	bit	bit	NOUN
ajst-18344	31	9	,	,	PUNCT
ajst-18344	31	10	and	and	CCONJ
ajst-18344	31	11	the	the	DET
ajst-18344	31	12	main	main	ADJ
ajst-18344	31	13	function	function	NOUN
ajst-18344	31	14	of	of	ADP
ajst-18344	31	15	the	the	DET
ajst-18344	31	16	anti	anti	NOUN
ajst-18344	31	17	-	-	NOUN
ajst-18344	31	18	drop	drop	ADJ
ajst-18344	31	19	147	147	NUM
ajst-18344	31	20	assembly	assembly	NOUN
ajst-18344	31	21	is	be	AUX
ajst-18344	31	22	to	to	PART
ajst-18344	31	23	prevent	prevent	VERB
ajst-18344	31	24	the	the	DET
ajst-18344	31	25	drilling	drilling	NOUN
ajst-18344	31	26	tool	tool	NOUN
ajst-18344	31	27	from	from	ADP
ajst-18344	31	28	falling	fall	VERB
ajst-18344	31	29	into	into	ADP
ajst-18344	31	30	the	the	DET
ajst-18344	31	31	bottom	bottom	NOUN
ajst-18344	31	32	of	of	ADP
ajst-18344	31	33	the	the	DET
ajst-18344	31	34	well	well	NOUN
ajst-18344	31	35	after	after	ADP
ajst-18344	31	36	the	the	DET
ajst-18344	31	37	motor	motor	NOUN
ajst-18344	31	38	breaks	break	NOUN
ajst-18344	31	39	.	.	PUNCT
ajst-18344	32	1	the	the	DET
ajst-18344	32	2	specific	specific	ADJ
ajst-18344	32	3	structure	structure	NOUN
ajst-18344	32	4	of	of	ADP
ajst-18344	32	5	the	the	DET
ajst-18344	32	6	drilling	drilling	NOUN
ajst-18344	32	7	tool	tool	NOUN
ajst-18344	32	8	is	be	AUX
ajst-18344	32	9	shown	show	VERB
ajst-18344	32	10	in	in	ADP
ajst-18344	32	11	figure	figure	NOUN
ajst-18344	32	12	1	1	NUM
ajst-18344	32	13	.	.	PUNCT
ajst-18344	32	14	figure	figure	NOUN
ajst-18344	32	15	1	1	NUM
ajst-18344	32	16	.	.	PUNCT
ajst-18344	32	17	structural	structural	ADJ
ajst-18344	32	18	diagram	diagram	NOUN
ajst-18344	32	19	of	of	ADP
ajst-18344	32	20	pdm	pdm	PROPN
ajst-18344	32	21	1	1	NUM
ajst-18344	32	22	bypass	bypass	NOUN
ajst-18344	32	23	valve	valve	NOUN
ajst-18344	32	24	assembly	assembly	NOUN
ajst-18344	32	25	;	;	PUNCT
ajst-18344	32	26	2	2	NUM
ajst-18344	32	27	anti	anti	ADJ
ajst-18344	32	28	-	-	ADJ
ajst-18344	32	29	dropping	dropping	ADJ
ajst-18344	32	30	assembly	assembly	NOUN
ajst-18344	32	31	;	;	PUNCT
ajst-18344	32	32	3	3	NUM
ajst-18344	32	33	power	power	NOUN
ajst-18344	32	34	assembly	assembly	NOUN
ajst-18344	32	35	;	;	PUNCT
ajst-18344	32	36	4	4	NUM
ajst-18344	32	37	universal	universal	ADJ
ajst-18344	32	38	shaft	shaft	NOUN
ajst-18344	32	39	assembly	assembly	NOUN
ajst-18344	32	40	;	;	PUNCT
ajst-18344	32	41	5	5	NUM
ajst-18344	32	42	transmission	transmission	NOUN
ajst-18344	32	43	shaft	shaft	NOUN
ajst-18344	32	44	assembly	assembly	NOUN
ajst-18344	32	45	;	;	PUNCT
ajst-18344	32	46	in	in	ADP
ajst-18344	32	47	order	order	NOUN
ajst-18344	32	48	to	to	PART
ajst-18344	32	49	reduce	reduce	VERB
ajst-18344	32	50	the	the	DET
ajst-18344	32	51	axial	axial	ADJ
ajst-18344	32	52	vibration	vibration	NOUN
ajst-18344	32	53	of	of	ADP
ajst-18344	32	54	the	the	DET
ajst-18344	32	55	drilling	drilling	NOUN
ajst-18344	32	56	tool	tool	NOUN
ajst-18344	32	57	from	from	ADP
ajst-18344	32	58	the	the	DET
ajst-18344	32	59	drill	drill	NOUN
ajst-18344	32	60	bit	bit	NOUN
ajst-18344	32	61	,	,	PUNCT
ajst-18344	32	62	a	a	DET
ajst-18344	32	63	vibration	vibration	NOUN
ajst-18344	32	64	damping	damp	VERB
ajst-18344	32	65	assembly	assembly	NOUN
ajst-18344	32	66	is	be	AUX
ajst-18344	32	67	added	add	VERB
ajst-18344	32	68	between	between	ADP
ajst-18344	32	69	pdm	pdm	NOUN
ajst-18344	32	70	transmission	transmission	NOUN
ajst-18344	32	71	shaft	shaft	NOUN
ajst-18344	32	72	and	and	CCONJ
ajst-18344	32	73	the	the	DET
ajst-18344	32	74	drill	drill	NOUN
ajst-18344	32	75	bit	bit	NOUN
ajst-18344	32	76	.	.	PUNCT
ajst-18344	33	1	the	the	DET
ajst-18344	33	2	upper	upper	ADJ
ajst-18344	33	3	shell	shell	NOUN
ajst-18344	33	4	and	and	CCONJ
ajst-18344	33	5	the	the	DET
ajst-18344	33	6	transmission	transmission	NOUN
ajst-18344	33	7	shaft	shaft	NOUN
ajst-18344	33	8	,	,	PUNCT
ajst-18344	33	9	the	the	DET
ajst-18344	33	10	connecting	connect	VERB
ajst-18344	33	11	shaft	shaft	NOUN
ajst-18344	33	12	and	and	CCONJ
ajst-18344	33	13	the	the	DET
ajst-18344	33	14	drill	drill	NOUN
ajst-18344	33	15	bit	bit	NOUN
ajst-18344	33	16	are	be	AUX
ajst-18344	33	17	fixed	fix	VERB
ajst-18344	33	18	through	through	ADP
ajst-18344	33	19	threaded	thread	VERB
ajst-18344	33	20	connections	connection	NOUN
ajst-18344	33	21	,	,	PUNCT
ajst-18344	33	22	and	and	CCONJ
ajst-18344	33	23	the	the	DET
ajst-18344	33	24	upper	upper	ADJ
ajst-18344	33	25	shell	shell	NOUN
ajst-18344	33	26	the	the	DET
ajst-18344	33	27	body	body	NOUN
ajst-18344	33	28	drives	drive	VERB
ajst-18344	33	29	the	the	DET
ajst-18344	33	30	connecting	connect	VERB
ajst-18344	33	31	shaft	shaft	NOUN
ajst-18344	33	32	to	to	PART
ajst-18344	33	33	rotate	rotate	VERB
ajst-18344	33	34	and	and	CCONJ
ajst-18344	33	35	transmit	transmit	VERB
ajst-18344	33	36	torque	torque	NOUN
ajst-18344	33	37	through	through	ADP
ajst-18344	33	38	the	the	DET
ajst-18344	33	39	tapered	tapered	ADJ
ajst-18344	33	40	ring	ring	NOUN
ajst-18344	33	41	key	key	NOUN
ajst-18344	33	42	.	.	PUNCT
ajst-18344	34	1	at	at	ADP
ajst-18344	34	2	the	the	DET
ajst-18344	34	3	same	same	ADJ
ajst-18344	34	4	time	time	NOUN
ajst-18344	34	5	,	,	PUNCT
ajst-18344	34	6	axial	axial	ADJ
ajst-18344	34	7	displacement	displacement	NOUN
ajst-18344	34	8	can	can	AUX
ajst-18344	34	9	occur	occur	VERB
ajst-18344	34	10	between	between	ADP
ajst-18344	34	11	the	the	DET
ajst-18344	34	12	housing	housing	NOUN
ajst-18344	34	13	and	and	CCONJ
ajst-18344	34	14	the	the	DET
ajst-18344	34	15	connecting	connect	VERB
ajst-18344	34	16	shaft	shaft	NOUN
ajst-18344	34	17	.	.	PUNCT
ajst-18344	35	1	the	the	DET
ajst-18344	35	2	metal	metal	NOUN
ajst-18344	35	3	rubber	rubber	NOUN
ajst-18344	35	4	pad	pad	NOUN
ajst-18344	35	5	is	be	AUX
ajst-18344	35	6	used	use	VERB
ajst-18344	35	7	to	to	PART
ajst-18344	35	8	dampen	dampen	VERB
ajst-18344	35	9	the	the	DET
ajst-18344	35	10	vibration	vibration	NOUN
ajst-18344	35	11	between	between	ADP
ajst-18344	35	12	the	the	DET
ajst-18344	35	13	two	two	NUM
ajst-18344	35	14	.	.	PUNCT
ajst-18344	36	1	the	the	DET
ajst-18344	36	2	vibration	vibration	NOUN
ajst-18344	36	3	damping	damp	VERB
ajst-18344	36	4	assembly	assembly	NOUN
ajst-18344	36	5	structure	structure	NOUN
ajst-18344	36	6	is	be	AUX
ajst-18344	36	7	shown	show	VERB
ajst-18344	36	8	in	in	ADP
ajst-18344	36	9	figure	figure	NOUN
ajst-18344	36	10	2	2	NUM
ajst-18344	36	11	.	.	PUNCT
ajst-18344	36	12	figure	figure	NOUN
ajst-18344	36	13	2	2	NUM
ajst-18344	36	14	.	.	PUNCT
ajst-18344	36	15	vibration	vibration	NOUN
ajst-18344	36	16	damping	damp	VERB
ajst-18344	36	17	assembly	assembly	NOUN
ajst-18344	36	18	structure	structure	NOUN
ajst-18344	36	19	diagram	diagram	NOUN
ajst-18344	36	20	1	1	NUM
ajst-18344	36	21	upper	upper	ADJ
ajst-18344	36	22	shell	shell	NOUN
ajst-18344	36	23	;	;	PUNCT
ajst-18344	36	24	2	2	NUM
ajst-18344	36	25	ring	ring	NOUN
ajst-18344	36	26	-	-	PUNCT
ajst-18344	36	27	shaped	shape	VERB
ajst-18344	36	28	metal	metal	NOUN
ajst-18344	36	29	rubber	rubber	NOUN
ajst-18344	36	30	pad	pad	NOUN
ajst-18344	36	31	;	;	PUNCT
ajst-18344	36	32	3	3	NUM
ajst-18344	36	33	tapered	tapered	NOUN
ajst-18344	36	34	ring	ring	NOUN
ajst-18344	36	35	key	key	NOUN
ajst-18344	36	36	;	;	PUNCT
ajst-18344	36	37	4	4	NUM
ajst-18344	36	38	lower	low	ADJ
ajst-18344	36	39	shell	shell	NOUN
ajst-18344	36	40	;	;	PUNCT
ajst-18344	36	41	5	5	NUM
ajst-18344	36	42	connecting	connect	VERB
ajst-18344	36	43	shaft	shaft	NOUN
ajst-18344	36	44	the	the	DET
ajst-18344	36	45	metal	metal	NOUN
ajst-18344	36	46	rubber	rubber	NOUN
ajst-18344	36	47	pad	pad	NOUN
ajst-18344	36	48	is	be	AUX
ajst-18344	36	49	a	a	DET
ajst-18344	36	50	key	key	ADJ
ajst-18344	36	51	component	component	NOUN
ajst-18344	36	52	of	of	ADP
ajst-18344	36	53	the	the	DET
ajst-18344	36	54	vibration	vibration	NOUN
ajst-18344	36	55	damping	damp	VERB
ajst-18344	36	56	assembly	assembly	NOUN
ajst-18344	36	57	.	.	PUNCT
ajst-18344	37	1	it	it	PRON
ajst-18344	37	2	is	be	AUX
ajst-18344	37	3	punched	punch	VERB
ajst-18344	37	4	and	and	CCONJ
ajst-18344	37	5	wound	wind	VERB
ajst-18344	37	6	by	by	ADP
ajst-18344	37	7	extremely	extremely	ADV
ajst-18344	37	8	fine	fine	ADJ
ajst-18344	37	9	spiral	spiral	ADJ
ajst-18344	37	10	stainless	stainless	ADJ
ajst-18344	37	11	steel	steel	NOUN
ajst-18344	37	12	wire	wire	NOUN
ajst-18344	37	13	.	.	PUNCT
ajst-18344	38	1	when	when	SCONJ
ajst-18344	38	2	being	be	AUX
ajst-18344	38	3	squeezed	squeeze	VERB
ajst-18344	38	4	,	,	PUNCT
ajst-18344	38	5	the	the	DET
ajst-18344	38	6	dry	dry	ADJ
ajst-18344	38	7	friction	friction	NOUN
ajst-18344	38	8	between	between	ADP
ajst-18344	38	9	the	the	DET
ajst-18344	38	10	steel	steel	NOUN
ajst-18344	38	11	wire	wire	NOUN
ajst-18344	38	12	contact	contact	NOUN
ajst-18344	38	13	surfaces	surface	NOUN
ajst-18344	38	14	will	will	AUX
ajst-18344	38	15	produce	produce	VERB
ajst-18344	38	16	structural	structural	ADJ
ajst-18344	38	17	damping	damping	NOUN
ajst-18344	38	18	,	,	PUNCT
ajst-18344	38	19	converting	convert	VERB
ajst-18344	38	20	the	the	DET
ajst-18344	38	21	external	external	ADJ
ajst-18344	38	22	force	force	NOUN
ajst-18344	38	23	into	into	ADP
ajst-18344	38	24	internal	internal	ADJ
ajst-18344	38	25	energy	energy	NOUN
ajst-18344	38	26	,	,	PUNCT
ajst-18344	38	27	giving	give	VERB
ajst-18344	38	28	the	the	DET
ajst-18344	38	29	metal	metal	NOUN
ajst-18344	38	30	rubber	rubber	NOUN
ajst-18344	38	31	the	the	DET
ajst-18344	38	32	ability	ability	NOUN
ajst-18344	38	33	to	to	PART
ajst-18344	38	34	buffer	buffer	VERB
ajst-18344	38	35	and	and	CCONJ
ajst-18344	38	36	dampen	dampen	VERB
ajst-18344	38	37	vibrations	vibration	NOUN
ajst-18344	38	38	.	.	PUNCT
ajst-18344	39	1	at	at	ADP
ajst-18344	39	2	the	the	DET
ajst-18344	39	3	same	same	ADJ
ajst-18344	39	4	time	time	NOUN
ajst-18344	39	5	,	,	PUNCT
ajst-18344	39	6	it	it	PRON
ajst-18344	39	7	also	also	ADV
ajst-18344	39	8	has	have	VERB
ajst-18344	39	9	the	the	DET
ajst-18344	39	10	high	high	ADJ
ajst-18344	39	11	temperature	temperature	NOUN
ajst-18344	39	12	resistance	resistance	NOUN
ajst-18344	39	13	and	and	CCONJ
ajst-18344	39	14	oil	oil	NOUN
ajst-18344	39	15	resistance	resistance	NOUN
ajst-18344	39	16	of	of	ADP
ajst-18344	39	17	metal	metal	NOUN
ajst-18344	39	18	.	.	PUNCT
ajst-18344	40	1	,	,	PUNCT
ajst-18344	40	2	fatigue	fatigue	NOUN
ajst-18344	40	3	resistance	resistance	NOUN
ajst-18344	40	4	and	and	CCONJ
ajst-18344	40	5	other	other	ADJ
ajst-18344	40	6	properties[9	properties[9	NOUN
ajst-18344	40	7	]	]	PUNCT
ajst-18344	40	8	.	.	PUNCT
ajst-18344	41	1	it	it	PRON
ajst-18344	41	2	is	be	AUX
ajst-18344	41	3	often	often	ADV
ajst-18344	41	4	used	use	VERB
ajst-18344	41	5	in	in	ADP
ajst-18344	41	6	vibration	vibration	NOUN
ajst-18344	41	7	damping	damp	VERB
ajst-18344	41	8	equipment	equipment	NOUN
ajst-18344	41	9	in	in	ADP
ajst-18344	41	10	harsh	harsh	ADJ
ajst-18344	41	11	environments	environment	NOUN
ajst-18344	41	12	such	such	ADJ
ajst-18344	41	13	as	as	ADP
ajst-18344	41	14	aerospace	aerospace	NOUN
ajst-18344	41	15	,	,	PUNCT
ajst-18344	41	16	petroleum	petroleum	NOUN
ajst-18344	41	17	,	,	PUNCT
ajst-18344	41	18	and	and	CCONJ
ajst-18344	41	19	chemical	chemical	NOUN
ajst-18344	41	20	industries	industry	NOUN
ajst-18344	41	21	.	.	PUNCT
ajst-18344	42	1	the	the	DET
ajst-18344	42	2	new	new	ADJ
ajst-18344	42	3	vibrationdamping	vibrationdamping	NOUN
ajst-18344	42	4	pdm	pdm	NOUN
ajst-18344	42	5	uses	use	VERB
ajst-18344	42	6	metal	metal	NOUN
ajst-18344	42	7	rubber	rubber	NOUN
ajst-18344	42	8	to	to	PART
ajst-18344	42	9	replace	replace	VERB
ajst-18344	42	10	the	the	DET
ajst-18344	42	11	commonly	commonly	ADV
ajst-18344	42	12	used	use	VERB
ajst-18344	42	13	disc	disc	NOUN
ajst-18344	42	14	springs	spring	NOUN
ajst-18344	42	15	,	,	PUNCT
ajst-18344	42	16	which	which	PRON
ajst-18344	42	17	avoids	avoid	VERB
ajst-18344	42	18	the	the	DET
ajst-18344	42	19	problems	problem	NOUN
ajst-18344	42	20	of	of	ADP
ajst-18344	42	21	poor	poor	ADJ
ajst-18344	42	22	vibration	vibration	NOUN
ajst-18344	42	23	damping	damp	VERB
ajst-18344	42	24	effect	effect	NOUN
ajst-18344	42	25	and	and	CCONJ
ajst-18344	42	26	short	short	ADJ
ajst-18344	42	27	equipment	equipment	NOUN
ajst-18344	42	28	life	life	NOUN
ajst-18344	42	29	caused	cause	VERB
ajst-18344	42	30	by	by	ADP
ajst-18344	42	31	disc	disc	NOUN
ajst-18344	42	32	spring	spring	NOUN
ajst-18344	42	33	failure	failure	NOUN
ajst-18344	42	34	in	in	ADP
ajst-18344	42	35	underground	underground	ADJ
ajst-18344	42	36	high	high	ADJ
ajst-18344	42	37	-	-	PUNCT
ajst-18344	42	38	temperature	temperature	NOUN
ajst-18344	42	39	and	and	CCONJ
ajst-18344	42	40	highpressure	highpressure	ADJ
ajst-18344	42	41	environments	environment	NOUN
ajst-18344	42	42	.	.	PUNCT
ajst-18344	43	1	an	an	DET
ajst-18344	43	2	interference	interference	NOUN
ajst-18344	43	3	fit	fit	NOUN
ajst-18344	43	4	is	be	AUX
ajst-18344	43	5	used	use	VERB
ajst-18344	43	6	between	between	ADP
ajst-18344	43	7	the	the	DET
ajst-18344	43	8	shell	shell	NOUN
ajst-18344	43	9	and	and	CCONJ
ajst-18344	43	10	the	the	DET
ajst-18344	43	11	connecting	connect	VERB
ajst-18344	43	12	shaft	shaft	NOUN
ajst-18344	43	13	.	.	PUNCT
ajst-18344	44	1	,	,	PUNCT
ajst-18344	44	2	so	so	SCONJ
ajst-18344	44	3	that	that	DET
ajst-18344	44	4	part	part	NOUN
ajst-18344	44	5	of	of	ADP
ajst-18344	44	6	the	the	DET
ajst-18344	44	7	drilling	drilling	NOUN
ajst-18344	44	8	fluid	fluid	NOUN
ajst-18344	44	9	takes	take	VERB
ajst-18344	44	10	away	away	ADV
ajst-18344	44	11	part	part	NOUN
ajst-18344	44	12	of	of	ADP
ajst-18344	44	13	the	the	DET
ajst-18344	44	14	heat	heat	NOUN
ajst-18344	44	15	of	of	ADP
ajst-18344	44	16	the	the	DET
ajst-18344	44	17	metal	metal	NOUN
ajst-18344	44	18	rubber	rubber	NOUN
ajst-18344	44	19	and	and	CCONJ
ajst-18344	44	20	increases	increase	VERB
ajst-18344	44	21	the	the	DET
ajst-18344	44	22	service	service	NOUN
ajst-18344	44	23	life	life	NOUN
ajst-18344	44	24	of	of	ADP
ajst-18344	44	25	the	the	DET
ajst-18344	44	26	metal	metal	NOUN
ajst-18344	44	27	rubber	rubber	NOUN
ajst-18344	44	28	.	.	PUNCT
ajst-18344	45	1	figure	figure	VERB
ajst-18344	45	2	3	3	NUM
ajst-18344	45	3	.	.	PUNCT
ajst-18344	45	4	metal	metal	NOUN
ajst-18344	45	5	rubber	rubber	NOUN
ajst-18344	45	6	pads	pad	NOUN
ajst-18344	45	7	of	of	ADP
ajst-18344	45	8	different	different	ADJ
ajst-18344	45	9	shapes	shape	NOUN
ajst-18344	45	10	2.2	2.2	NUM
ajst-18344	45	11	.	.	PUNCT
ajst-18344	46	1	establishment	establishment	NOUN
ajst-18344	46	2	of	of	ADP
ajst-18344	46	3	simplified	simplified	ADJ
ajst-18344	46	4	model	model	NOUN
ajst-18344	46	5	of	of	ADP
ajst-18344	46	6	drilling	drilling	NOUN
ajst-18344	46	7	tools	tool	NOUN
ajst-18344	46	8	the	the	DET
ajst-18344	46	9	drilling	drilling	NOUN
ajst-18344	46	10	tool	tool	NOUN
ajst-18344	46	11	will	will	AUX
ajst-18344	46	12	be	be	AUX
ajst-18344	46	13	affected	affect	VERB
ajst-18344	46	14	by	by	ADP
ajst-18344	46	15	coupled	couple	VERB
ajst-18344	46	16	vibration	vibration	NOUN
ajst-18344	46	17	when	when	SCONJ
ajst-18344	46	18	working	work	VERB
ajst-18344	46	19	downhole	downhole	NOUN
ajst-18344	46	20	.	.	PUNCT
ajst-18344	47	1	in	in	ADP
ajst-18344	47	2	order	order	NOUN
ajst-18344	47	3	to	to	PART
ajst-18344	47	4	simplify	simplify	VERB
ajst-18344	47	5	the	the	DET
ajst-18344	47	6	analysis	analysis	NOUN
ajst-18344	47	7	when	when	SCONJ
ajst-18344	47	8	studying	study	VERB
ajst-18344	47	9	the	the	DET
ajst-18344	47	10	axial	axial	ADJ
ajst-18344	47	11	vibration	vibration	NOUN
ajst-18344	47	12	model	model	NOUN
ajst-18344	47	13	of	of	ADP
ajst-18344	47	14	the	the	DET
ajst-18344	47	15	drilling	drilling	NOUN
ajst-18344	47	16	tool	tool	NOUN
ajst-18344	47	17	,	,	PUNCT
ajst-18344	47	18	only	only	ADV
ajst-18344	47	19	the	the	DET
ajst-18344	47	20	axial	axial	ADJ
ajst-18344	47	21	force	force	NOUN
ajst-18344	47	22	of	of	ADP
ajst-18344	47	23	the	the	DET
ajst-18344	47	24	drilling	drilling	NOUN
ajst-18344	47	25	tool	tool	NOUN
ajst-18344	47	26	is	be	AUX
ajst-18344	47	27	studied	study	VERB
ajst-18344	47	28	.	.	PUNCT
ajst-18344	48	1	taking	take	VERB
ajst-18344	48	2	the	the	DET
ajst-18344	48	3	entire	entire	ADJ
ajst-18344	48	4	pdm	pdm	NOUN
ajst-18344	48	5	as	as	ADP
ajst-18344	48	6	the	the	DET
ajst-18344	48	7	research	research	NOUN
ajst-18344	48	8	object	object	NOUN
ajst-18344	48	9	,	,	PUNCT
ajst-18344	48	10	the	the	DET
ajst-18344	48	11	drilling	drilling	NOUN
ajst-18344	48	12	tool	tool	NOUN
ajst-18344	48	13	can	can	AUX
ajst-18344	48	14	be	be	AUX
ajst-18344	48	15	divided	divide	VERB
ajst-18344	48	16	into	into	ADP
ajst-18344	48	17	two	two	NUM
ajst-18344	48	18	parts	part	NOUN
ajst-18344	48	19	:	:	PUNCT
ajst-18344	48	20	the	the	DET
ajst-18344	48	21	drilling	drilling	NOUN
ajst-18344	48	22	tool	tool	NOUN
ajst-18344	48	23	shell	shell	VERB
ajst-18344	48	24	and	and	CCONJ
ajst-18344	48	25	the	the	DET
ajst-18344	48	26	shaft	shaft	NOUN
ajst-18344	48	27	system	system	NOUN
ajst-18344	48	28	(	(	PUNCT
ajst-18344	48	29	rotor	rotor	NOUN
ajst-18344	48	30	,	,	PUNCT
ajst-18344	48	31	cardan	cardan	ADJ
ajst-18344	48	32	shaft	shaft	NOUN
ajst-18344	48	33	,	,	PUNCT
ajst-18344	48	34	transmission	transmission	NOUN
ajst-18344	48	35	shaft	shaft	NOUN
ajst-18344	48	36	)	)	PUNCT
ajst-18344	48	37	.	.	PUNCT
ajst-18344	49	1	the	the	DET
ajst-18344	49	2	shell	shell	NOUN
ajst-18344	49	3	and	and	CCONJ
ajst-18344	49	4	the	the	DET
ajst-18344	49	5	shaft	shaft	NOUN
ajst-18344	49	6	system	system	NOUN
ajst-18344	49	7	are	be	AUX
ajst-18344	49	8	connected	connect	VERB
ajst-18344	49	9	to	to	ADP
ajst-18344	49	10	each	each	DET
ajst-18344	49	11	other	other	ADJ
ajst-18344	49	12	through	through	ADP
ajst-18344	49	13	threads	thread	NOUN
ajst-18344	49	14	and	and	CCONJ
ajst-18344	49	15	are	be	AUX
ajst-18344	49	16	hard	hard	ADJ
ajst-18344	49	17	connections	connection	NOUN
ajst-18344	50	1	[	[	X
ajst-18344	50	2	10	10	NUM
ajst-18344	50	3	]	]	PUNCT
ajst-18344	50	4	;	;	PUNCT
ajst-18344	50	5	the	the	DET
ajst-18344	50	6	shaft	shaft	NOUN
ajst-18344	50	7	system	system	NOUN
ajst-18344	50	8	and	and	CCONJ
ajst-18344	50	9	the	the	DET
ajst-18344	50	10	drilling	drilling	NOUN
ajst-18344	50	11	tool	tool	NOUN
ajst-18344	50	12	housing	housing	NOUN
ajst-18344	50	13	are	be	AUX
ajst-18344	50	14	softly	softly	ADV
ajst-18344	50	15	connected	connect	VERB
ajst-18344	50	16	through	through	ADP
ajst-18344	50	17	anti	anti	ADJ
ajst-18344	50	18	-	-	ADJ
ajst-18344	50	19	falling	falling	ADJ
ajst-18344	50	20	nuts	nut	NOUN
ajst-18344	50	21	,	,	PUNCT
ajst-18344	50	22	rubber	rubber	NOUN
ajst-18344	50	23	bushings	bushing	NOUN
ajst-18344	50	24	,	,	PUNCT
ajst-18344	50	25	and	and	CCONJ
ajst-18344	50	26	string	string	NOUN
ajst-18344	50	27	bearings	bearing	NOUN
ajst-18344	50	28	;	;	PUNCT
ajst-18344	50	29	the	the	DET
ajst-18344	50	30	transmission	transmission	NOUN
ajst-18344	50	31	shaft	shaft	NOUN
ajst-18344	50	32	and	and	CCONJ
ajst-18344	50	33	the	the	DET
ajst-18344	50	34	housing	housing	NOUN
ajst-18344	50	35	are	be	AUX
ajst-18344	50	36	softly	softly	ADV
ajst-18344	50	37	connected	connect	VERB
ajst-18344	50	38	through	through	ADP
ajst-18344	50	39	string	string	NOUN
ajst-18344	50	40	bearings	bearing	NOUN
ajst-18344	50	41	and	and	CCONJ
ajst-18344	50	42	disc	disc	NOUN
ajst-18344	50	43	springs	spring	NOUN
ajst-18344	50	44	;	;	PUNCT
ajst-18344	50	45	pdm	pdm	NOUN
ajst-18344	50	46	shafting	shaft	VERB
ajst-18344	50	47	system	system	NOUN
ajst-18344	50	48	and	and	CCONJ
ajst-18344	50	49	the	the	DET
ajst-18344	50	50	drill	drill	NOUN
ajst-18344	50	51	bit	bit	NOUN
ajst-18344	50	52	they	they	PRON
ajst-18344	50	53	are	be	AUX
ajst-18344	50	54	connected	connect	VERB
ajst-18344	50	55	by	by	ADP
ajst-18344	50	56	threads	thread	NOUN
ajst-18344	50	57	.	.	PUNCT
ajst-18344	51	1	the	the	DET
ajst-18344	51	2	following	follow	VERB
ajst-18344	51	3	is	be	AUX
ajst-18344	51	4	a	a	DET
ajst-18344	51	5	simplified	simplified	ADJ
ajst-18344	51	6	diagram	diagram	NOUN
ajst-18344	51	7	of	of	ADP
ajst-18344	51	8	the	the	DET
ajst-18344	51	9	force	force	NOUN
ajst-18344	51	10	between	between	ADP
ajst-18344	51	11	the	the	DET
ajst-18344	51	12	drilling	drilling	NOUN
ajst-18344	51	13	tool	tool	NOUN
ajst-18344	51	14	housing	housing	NOUN
ajst-18344	51	15	and	and	CCONJ
ajst-18344	51	16	the	the	DET
ajst-18344	51	17	shaft	shaft	NOUN
ajst-18344	51	18	system	system	NOUN
ajst-18344	51	19	in	in	ADP
ajst-18344	51	20	figure	figure	NOUN
ajst-18344	51	21	4	4	NUM
ajst-18344	51	22	.	.	PUNCT
ajst-18344	52	1	(	(	PUNCT
ajst-18344	52	2	a	a	X
ajst-18344	52	3	)	)	PUNCT
ajst-18344	52	4	simplified	simplified	ADJ
ajst-18344	52	5	diagram	diagram	NOUN
ajst-18344	52	6	of	of	ADP
ajst-18344	52	7	drilling	drilling	NOUN
ajst-18344	52	8	tool(left	tool(left	PROPN
ajst-18344	52	9	)	)	PUNCT
ajst-18344	52	10	(	(	PUNCT
ajst-18344	52	11	b	b	X
ajst-18344	52	12	)	)	PUNCT
ajst-18344	52	13	shell	shell	ADJ
ajst-18344	52	14	stress	stress	NOUN
ajst-18344	52	15	diagram(middle	diagram(middle	PROPN
ajst-18344	52	16	)	)	PUNCT
ajst-18344	52	17	(	(	PUNCT
ajst-18344	52	18	c	c	X
ajst-18344	52	19	)	)	PUNCT
ajst-18344	52	20	shaft	shaft	NOUN
ajst-18344	52	21	system	system	NOUN
ajst-18344	52	22	stress	stress	NOUN
ajst-18344	52	23	diagram(right	diagram(right	ADJ
ajst-18344	52	24	)	)	PUNCT
ajst-18344	52	25	figure	figure	NOUN
ajst-18344	52	26	4	4	NUM
ajst-18344	52	27	.	.	PUNCT
ajst-18344	52	28	simple	simple	ADJ
ajst-18344	52	29	diagram	diagram	NOUN
ajst-18344	52	30	of	of	ADP
ajst-18344	52	31	pdm	pdm	PROPN
ajst-18344	52	32	the	the	DET
ajst-18344	52	33	forces	force	NOUN
ajst-18344	52	34	acting	act	VERB
ajst-18344	52	35	on	on	ADP
ajst-18344	52	36	the	the	DET
ajst-18344	52	37	shell	shell	NOUN
ajst-18344	52	38	during	during	ADP
ajst-18344	52	39	the	the	DET
ajst-18344	52	40	drilling	drilling	NOUN
ajst-18344	52	41	process	process	NOUN
ajst-18344	52	42	include	include	VERB
ajst-18344	52	43	:	:	PUNCT
ajst-18344	52	44	drilling	drill	VERB
ajst-18344	52	45	weight	weight	NOUN
ajst-18344	52	46	w	w	PROPN
ajst-18344	52	47	,	,	PUNCT
ajst-18344	52	48	rotor	rotor	NOUN
ajst-18344	52	49	axial	axial	ADJ
ajst-18344	52	50	force	force	NOUN
ajst-18344	52	51	q	q	NOUN
ajst-18344	52	52	,	,	PUNCT
ajst-18344	52	53	transmission	transmission	NOUN
ajst-18344	52	54	shaft	shaft	NOUN
ajst-18344	52	55	piston	piston	NOUN
ajst-18344	52	56	force	force	NOUN
ajst-18344	52	57	p	p	X
ajst-18344	52	58	,	,	PUNCT
ajst-18344	52	59	and	and	CCONJ
ajst-18344	52	60	total	total	ADJ
ajst-18344	52	61	shafting	shaft	VERB
ajst-18344	52	62	weight	weight	NOUN
ajst-18344	52	63	g	g	NOUN
ajst-18344	52	64	;	;	PUNCT
ajst-18344	52	65	according	accord	VERB
ajst-18344	52	66	to	to	ADP
ajst-18344	52	67	newton	newton	PROPN
ajst-18344	52	68	's	's	PART
ajst-18344	52	69	third	third	ADJ
ajst-18344	52	70	law	law	NOUN
ajst-18344	52	71	,	,	PUNCT
ajst-18344	52	72	the	the	DET
ajst-18344	52	73	shafting	shaft	VERB
ajst-18344	52	74	system	system	NOUN
ajst-18344	52	75	is	be	AUX
ajst-18344	52	76	also	also	ADV
ajst-18344	52	77	affected	affect	VERB
ajst-18344	52	78	by	by	ADP
ajst-18344	52	79	the	the	DET
ajst-18344	52	80	relative	relative	ADJ
ajst-18344	52	81	effects	effect	NOUN
ajst-18344	52	82	of	of	ADP
ajst-18344	52	83	the	the	DET
ajst-18344	52	84	above	above	ADJ
ajst-18344	52	85	forces	force	NOUN
ajst-18344	52	86	.	.	PUNCT
ajst-18344	53	1	the	the	DET
ajst-18344	53	2	forces	force	NOUN
ajst-18344	53	3	q	q	PROPN
ajst-18344	54	1	f	f	NOUN
ajst-18344	54	2	,	,	PUNCT
ajst-18344	54	3	p	p	PROPN
ajst-18344	54	4	f	f	X
ajst-18344	54	5	,	,	PUNCT
ajst-18344	54	6	g	g	PROPN
ajst-18344	54	7	f	f	PROPN
ajst-18344	54	8	and	and	CCONJ
ajst-18344	54	9	the	the	DET
ajst-18344	54	10	drill	drill	NOUN
ajst-18344	54	11	bit	bit	NOUN
ajst-18344	54	12	supporting	support	VERB
ajst-18344	54	13	force	force	NOUN
ajst-18344	54	14	b	b	NOUN
ajst-18344	54	15	are	be	AUX
ajst-18344	54	16	equal	equal	ADJ
ajst-18344	54	17	to	to	ADP
ajst-18344	54	18	the	the	DET
ajst-18344	54	19	sum	sum	NOUN
ajst-18344	54	20	of	of	ADP
ajst-18344	54	21	the	the	DET
ajst-18344	54	22	weight	weight	NOUN
ajst-18344	54	23	on	on	ADP
ajst-18344	54	24	bit	bit	NOUN
ajst-18344	54	25	w	w	NOUN
ajst-18344	54	26	and	and	CCONJ
ajst-18344	54	27	the	the	DET
ajst-18344	54	28	weight	weight	NOUN
ajst-18344	54	29	of	of	ADP
ajst-18344	54	30	the	the	DET
ajst-18344	54	31	drilling	drilling	NOUN
ajst-18344	54	32	tool	tool	NOUN
ajst-18344	54	33	.	.	PUNCT
ajst-18344	55	1	when	when	SCONJ
ajst-18344	55	2	the	the	DET
ajst-18344	55	3	drilling	drilling	NOUN
ajst-18344	55	4	tool	tool	NOUN
ajst-18344	55	5	is	be	AUX
ajst-18344	55	6	working	work	VERB
ajst-18344	55	7	,	,	PUNCT
ajst-18344	55	8	high	high	ADJ
ajst-18344	55	9	-	-	PUNCT
ajst-18344	55	10	pressure	pressure	NOUN
ajst-18344	55	11	drilling	drilling	NOUN
ajst-18344	55	12	fluid	fluid	NOUN
ajst-18344	55	13	is	be	AUX
ajst-18344	55	14	injected	inject	VERB
ajst-18344	55	15	into	into	ADP
ajst-18344	55	16	the	the	DET
ajst-18344	55	17	sealed	seal	VERB
ajst-18344	55	18	chamber	chamber	NOUN
ajst-18344	55	19	separated	separate	VERB
ajst-18344	55	20	by	by	ADP
ajst-18344	55	21	the	the	DET
ajst-18344	55	22	rotor	rotor	NOUN
ajst-18344	55	23	and	and	CCONJ
ajst-18344	55	24	stator	stator	NOUN
ajst-18344	55	25	spirals	spiral	NOUN
ajst-18344	55	26	in	in	ADP
ajst-18344	55	27	the	the	DET
ajst-18344	55	28	motor	motor	NOUN
ajst-18344	55	29	assembly	assembly	NOUN
ajst-18344	55	30	.	.	PUNCT
ajst-18344	56	1	it	it	PRON
ajst-18344	56	2	promotes	promote	VERB
ajst-18344	56	3	the	the	DET
ajst-18344	56	4	planetary	planetary	ADJ
ajst-18344	56	5	motion	motion	NOUN
ajst-18344	56	6	of	of	ADP
ajst-18344	56	7	the	the	DET
ajst-18344	56	8	rotor	rotor	NOUN
ajst-18344	56	9	and	and	CCONJ
ajst-18344	56	10	also	also	ADV
ajst-18344	56	11	exerts	exert	VERB
ajst-18344	56	12	the	the	DET
ajst-18344	56	13	rotor	rotor	NOUN
ajst-18344	56	14	axial	axial	ADJ
ajst-18344	56	15	force	force	NOUN
ajst-18344	56	16	q	q	PROPN
ajst-18344	56	17	on	on	ADP
ajst-18344	56	18	the	the	DET
ajst-18344	56	19	motor	motor	NOUN
ajst-18344	56	20	housing	housing	NOUN
ajst-18344	56	21	.	.	PUNCT
ajst-18344	57	1	the	the	DET
ajst-18344	57	2	housing	housing	NOUN
ajst-18344	57	3	exerts	exert	VERB
ajst-18344	57	4	an	an	DET
ajst-18344	57	5	axial	axial	ADJ
ajst-18344	57	6	force	force	NOUN
ajst-18344	57	7	q	q	NOUN
ajst-18344	57	8	on	on	ADP
ajst-18344	57	9	the	the	DET
ajst-18344	57	10	rotor	rotor	NOUN
ajst-18344	57	11	.	.	PUNCT
ajst-18344	58	1	when	when	SCONJ
ajst-18344	58	2	the	the	DET
ajst-18344	58	3	two	two	NUM
ajst-18344	58	4	forces	force	NOUN
ajst-18344	58	5	are	be	AUX
ajst-18344	58	6	unbalanced	unbalanced	ADJ
ajst-18344	58	7	,	,	PUNCT
ajst-18344	58	8	the	the	DET
ajst-18344	58	9	axial	axial	ADJ
ajst-18344	58	10	restraint	restraint	NOUN
ajst-18344	58	11	force	force	PROPN
ajst-18344	58	12	qf	qf	PROPN
ajst-18344	58	13	will	will	AUX
ajst-18344	58	14	cause	cause	VERB
ajst-18344	58	15	the	the	DET
ajst-18344	58	16	rotor	rotor	NOUN
ajst-18344	58	17	to	to	PART
ajst-18344	58	18	move	move	VERB
ajst-18344	58	19	axially	axially	ADV
ajst-18344	58	20	relative	relative	ADJ
ajst-18344	58	21	to	to	ADP
ajst-18344	58	22	the	the	DET
ajst-18344	58	23	stator	stator	NOUN
ajst-18344	58	24	.	.	PUNCT
ajst-18344	59	1	at	at	ADP
ajst-18344	59	2	this	this	DET
ajst-18344	59	3	time	time	NOUN
ajst-18344	59	4	,	,	PUNCT
ajst-18344	59	5	the	the	DET
ajst-18344	59	6	drilling	drilling	NOUN
ajst-18344	59	7	fluid	fluid	NOUN
ajst-18344	59	8	in	in	ADP
ajst-18344	59	9	the	the	DET
ajst-18344	59	10	stator	stator	NOUN
ajst-18344	59	11	sealing	seal	VERB
ajst-18344	59	12	cavity	cavity	NOUN
ajst-18344	59	13	is	be	AUX
ajst-18344	59	14	similar	similar	ADJ
ajst-18344	59	15	to	to	ADP
ajst-18344	59	16	the	the	DET
ajst-18344	59	17	hydraulic	hydraulic	ADJ
ajst-18344	59	18	oil	oil	NOUN
ajst-18344	59	19	of	of	ADP
ajst-18344	59	20	the	the	DET
ajst-18344	59	21	hydraulic	hydraulic	ADJ
ajst-18344	59	22	damper	damper	NOUN
ajst-18344	59	23	,	,	PUNCT
ajst-18344	59	24	which	which	PRON
ajst-18344	59	25	will	will	AUX
ajst-18344	59	26	produce	produce	VERB
ajst-18344	59	27	resistance	resistance	NOUN
ajst-18344	59	28	to	to	ADP
ajst-18344	59	29	the	the	DET
ajst-18344	59	30	rotor	rotor	NOUN
ajst-18344	59	31	.	.	PUNCT
ajst-18344	60	1	the	the	DET
ajst-18344	60	2	magnitude	magnitude	NOUN
ajst-18344	60	3	of	of	ADP
ajst-18344	60	4	the	the	DET
ajst-18344	60	5	resistance	resistance	NOUN
ajst-18344	60	6	it	it	PRON
ajst-18344	60	7	can	can	AUX
ajst-18344	60	8	be	be	AUX
ajst-18344	60	9	obtained	obtain	VERB
ajst-18344	60	10	from	from	ADP
ajst-18344	60	11	the	the	DET
ajst-18344	60	12	fluid	fluid	ADJ
ajst-18344	60	13	mechanics	mechanic	NOUN
ajst-18344	60	14	formula	formula	NOUN
ajst-18344	60	15	:	:	PUNCT
ajst-18344	60	16	2fd	2fd	PROPN
ajst-18344	60	17	dv	dv	PROPN
ajst-18344	60	18	c	c	PROPN
ajst-18344	60	19	a	a	NOUN
ajst-18344	60	20	(	(	PUNCT
ajst-18344	60	21	1	1	NUM
ajst-18344	60	22	)	)	PUNCT
ajst-18344	60	23	among	among	ADP
ajst-18344	60	24	them	they	PRON
ajst-18344	60	25	:	:	PUNCT
ajst-18344	60	26	fd	fd	PROPN
ajst-18344	60	27	is	be	AUX
ajst-18344	60	28	the	the	DET
ajst-18344	60	29	fluid	fluid	ADJ
ajst-18344	60	30	resistance	resistance	NOUN
ajst-18344	60	31	;	;	PUNCT
ajst-18344	60	32	ρ	ρ	PROPN
ajst-18344	60	33	is	be	AUX
ajst-18344	60	34	the	the	DET
ajst-18344	60	35	drilling	drilling	NOUN
ajst-18344	60	36	fluid	fluid	ADJ
ajst-18344	60	37	density	density	NOUN
ajst-18344	60	38	;	;	PUNCT
ajst-18344	60	39	v	v	NOUN
ajst-18344	60	40	is	be	AUX
ajst-18344	60	41	the	the	DET
ajst-18344	60	42	relative	relative	ADJ
ajst-18344	60	43	velocity	velocity	NOUN
ajst-18344	60	44	of	of	ADP
ajst-18344	60	45	the	the	DET
ajst-18344	60	46	fluid	fluid	NOUN
ajst-18344	60	47	;	;	PUNCT
ajst-18344	60	48	a	a	PRON
ajst-18344	60	49	is	be	AUX
ajst-18344	60	50	the	the	DET
ajst-18344	60	51	projected	project	VERB
ajst-18344	60	52	area	area	NOUN
ajst-18344	60	53	in	in	ADP
ajst-18344	60	54	the	the	DET
ajst-18344	60	55	direction	direction	NOUN
ajst-18344	60	56	of	of	ADP
ajst-18344	60	57	movement	movement	NOUN
ajst-18344	60	58	;	;	PUNCT
ajst-18344	60	59	cd	cd	PROPN
ajst-18344	60	60	is	be	AUX
ajst-18344	60	61	the	the	DET
ajst-18344	60	62	dimensionless	dimensionless	ADJ
ajst-18344	60	63	resistance	resistance	NOUN
ajst-18344	60	64	coefficient	coefficient	NOUN
ajst-18344	60	65	;	;	PUNCT
ajst-18344	60	66	148	148	NUM
ajst-18344	60	67	perform	perform	VERB
ajst-18344	60	68	a	a	DET
ajst-18344	60	69	mechanical	mechanical	ADJ
ajst-18344	60	70	model	model	NOUN
ajst-18344	60	71	analysis	analysis	NOUN
ajst-18344	60	72	on	on	ADP
ajst-18344	60	73	the	the	DET
ajst-18344	60	74	drilling	drilling	NOUN
ajst-18344	60	75	tool	tool	NOUN
ajst-18344	60	76	power	power	NOUN
ajst-18344	60	77	assembly	assembly	NOUN
ajst-18344	60	78	.	.	PUNCT
ajst-18344	61	1	the	the	DET
ajst-18344	61	2	entire	entire	ADJ
ajst-18344	61	3	power	power	NOUN
ajst-18344	61	4	assembly	assembly	NOUN
ajst-18344	61	5	can	can	AUX
ajst-18344	61	6	be	be	AUX
ajst-18344	61	7	regarded	regard	VERB
ajst-18344	61	8	as	as	ADP
ajst-18344	61	9	a	a	DET
ajst-18344	61	10	hydraulic	hydraulic	ADJ
ajst-18344	61	11	cylinder	cylinder	NOUN
ajst-18344	61	12	with	with	ADP
ajst-18344	61	13	a	a	DET
ajst-18344	61	14	spring	spring	NOUN
ajst-18344	61	15	.	.	PUNCT
ajst-18344	62	1	when	when	SCONJ
ajst-18344	62	2	the	the	DET
ajst-18344	62	3	rotor	rotor	NOUN
ajst-18344	62	4	moves	move	VERB
ajst-18344	62	5	under	under	ADP
ajst-18344	62	6	pressure	pressure	NOUN
ajst-18344	62	7	,	,	PUNCT
ajst-18344	62	8	the	the	DET
ajst-18344	62	9	rubber	rubber	NOUN
ajst-18344	62	10	bushing	bush	VERB
ajst-18344	62	11	converts	convert	VERB
ajst-18344	62	12	the	the	DET
ajst-18344	62	13	pressure	pressure	NOUN
ajst-18344	62	14	into	into	ADP
ajst-18344	62	15	elastic	elastic	ADJ
ajst-18344	62	16	potential	potential	ADJ
ajst-18344	62	17	energy	energy	NOUN
ajst-18344	62	18	.	.	PUNCT
ajst-18344	63	1	when	when	SCONJ
ajst-18344	63	2	the	the	DET
ajst-18344	63	3	load	load	NOUN
ajst-18344	63	4	decreases	decrease	VERB
ajst-18344	63	5	,	,	PUNCT
ajst-18344	63	6	the	the	DET
ajst-18344	63	7	elastic	elastic	ADJ
ajst-18344	63	8	potential	potential	ADJ
ajst-18344	63	9	energy	energy	NOUN
ajst-18344	63	10	is	be	AUX
ajst-18344	63	11	the	the	DET
ajst-18344	63	12	release	release	NOUN
ajst-18344	63	13	,	,	PUNCT
ajst-18344	63	14	compression	compression	NOUN
ajst-18344	63	15	and	and	CCONJ
ajst-18344	63	16	release	release	NOUN
ajst-18344	63	17	processes	process	NOUN
ajst-18344	63	18	are	be	AUX
ajst-18344	63	19	all	all	PRON
ajst-18344	63	20	affected	affect	VERB
ajst-18344	63	21	by	by	ADP
ajst-18344	63	22	hydraulic	hydraulic	ADJ
ajst-18344	63	23	resistance	resistance	NOUN
ajst-18344	63	24	.	.	PUNCT
ajst-18344	64	1	therefore	therefore	ADV
ajst-18344	64	2	,	,	PUNCT
ajst-18344	64	3	the	the	DET
ajst-18344	64	4	screw	screw	ADJ
ajst-18344	64	5	rotor	rotor	NOUN
ajst-18344	64	6	,	,	PUNCT
ajst-18344	64	7	rubber	rubber	NOUN
ajst-18344	64	8	bushing	bushing	NOUN
ajst-18344	64	9	,	,	PUNCT
ajst-18344	64	10	stator	stator	NOUN
ajst-18344	64	11	shell	shell	NOUN
ajst-18344	64	12	,	,	PUNCT
ajst-18344	64	13	and	and	CCONJ
ajst-18344	64	14	drilling	drilling	NOUN
ajst-18344	64	15	fluid	fluid	NOUN
ajst-18344	64	16	in	in	ADP
ajst-18344	64	17	the	the	DET
ajst-18344	64	18	stator	stator	NOUN
ajst-18344	64	19	sealing	seal	VERB
ajst-18344	64	20	cavity	cavity	NOUN
ajst-18344	64	21	can	can	AUX
ajst-18344	64	22	be	be	AUX
ajst-18344	64	23	simplified	simplify	VERB
ajst-18344	64	24	into	into	ADP
ajst-18344	64	25	damping	damp	VERB
ajst-18344	64	26	and	and	CCONJ
ajst-18344	64	27	spring	spring	NOUN
ajst-18344	64	28	models	model	NOUN
ajst-18344	64	29	.	.	PUNCT
ajst-18344	65	1	in	in	ADP
ajst-18344	65	2	order	order	NOUN
ajst-18344	65	3	to	to	PART
ajst-18344	65	4	study	study	VERB
ajst-18344	65	5	the	the	DET
ajst-18344	65	6	overall	overall	ADJ
ajst-18344	65	7	vibration	vibration	NOUN
ajst-18344	65	8	pattern	pattern	NOUN
ajst-18344	65	9	of	of	ADP
ajst-18344	65	10	the	the	DET
ajst-18344	65	11	drilling	drilling	NOUN
ajst-18344	65	12	tool	tool	NOUN
ajst-18344	65	13	,	,	PUNCT
ajst-18344	65	14	the	the	DET
ajst-18344	65	15	shell	shell	NOUN
ajst-18344	65	16	and	and	CCONJ
ajst-18344	65	17	shaft	shaft	NOUN
ajst-18344	65	18	system	system	NOUN
ajst-18344	65	19	of	of	ADP
ajst-18344	65	20	the	the	DET
ajst-18344	65	21	drilling	drilling	NOUN
ajst-18344	65	22	tool	tool	NOUN
ajst-18344	65	23	are	be	AUX
ajst-18344	65	24	equivalent	equivalent	ADJ
ajst-18344	65	25	to	to	ADP
ajst-18344	65	26	masses	masse	NOUN
ajst-18344	65	27	.	.	PUNCT
ajst-18344	66	1	block	block	NOUN
ajst-18344	66	2	,	,	PUNCT
ajst-18344	66	3	the	the	DET
ajst-18344	66	4	entire	entire	ADJ
ajst-18344	66	5	drilling	drilling	NOUN
ajst-18344	66	6	tool	tool	NOUN
ajst-18344	66	7	is	be	AUX
ajst-18344	66	8	equivalent	equivalent	ADJ
ajst-18344	66	9	to	to	ADP
ajst-18344	66	10	a	a	DET
ajst-18344	66	11	two	two	NUM
ajst-18344	66	12	-	-	PUNCT
ajst-18344	66	13	degree	degree	NOUN
ajst-18344	66	14	-	-	PUNCT
ajst-18344	66	15	of	of	ADP
ajst-18344	66	16	-	-	PUNCT
ajst-18344	66	17	freedom	freedom	NOUN
ajst-18344	66	18	"	"	PUNCT
ajst-18344	66	19	spring	spring	NOUN
ajst-18344	66	20	mass	mass	NOUN
ajst-18344	66	21	block	block	NOUN
ajst-18344	66	22	"	"	PUNCT
ajst-18344	66	23	model	model	NOUN
ajst-18344	66	24	.	.	PUNCT
ajst-18344	67	1	based	base	VERB
ajst-18344	67	2	on	on	ADP
ajst-18344	67	3	the	the	DET
ajst-18344	67	4	above	above	ADJ
ajst-18344	67	5	analysis	analysis	NOUN
ajst-18344	67	6	,	,	PUNCT
ajst-18344	67	7	the	the	DET
ajst-18344	67	8	simplified	simplified	ADJ
ajst-18344	67	9	mechanical	mechanical	ADJ
ajst-18344	67	10	model	model	NOUN
ajst-18344	67	11	is	be	AUX
ajst-18344	67	12	shown	show	VERB
ajst-18344	67	13	in	in	ADP
ajst-18344	67	14	figure	figure	NOUN
ajst-18344	67	15	5	5	NUM
ajst-18344	67	16	.	.	PUNCT
ajst-18344	68	1	(	(	PUNCT
ajst-18344	68	2	a	a	X
ajst-18344	68	3	)	)	PUNCT
ajst-18344	68	4	(	(	PUNCT
ajst-18344	68	5	b	b	X
ajst-18344	68	6	)	)	PUNCT
ajst-18344	68	7	figure	figure	NOUN
ajst-18344	68	8	5	5	NUM
ajst-18344	68	9	.	.	PUNCT
ajst-18344	69	1	simplified	simplify	VERB
ajst-18344	69	2	mechanical	mechanical	ADJ
ajst-18344	69	3	model	model	NOUN
ajst-18344	69	4	of	of	ADP
ajst-18344	69	5	pdm	pdm	PROPN
ajst-18344	69	6	figure	figure	NOUN
ajst-18344	69	7	5	5	NUM
ajst-18344	69	8	(	(	PUNCT
ajst-18344	69	9	a	a	NOUN
ajst-18344	69	10	)	)	PUNCT
ajst-18344	70	1	,	,	PUNCT
ajst-18344	70	2	m1	m1	PROPN
ajst-18344	70	3	is	be	AUX
ajst-18344	70	4	the	the	DET
ajst-18344	70	5	mass	mass	NOUN
ajst-18344	70	6	of	of	ADP
ajst-18344	70	7	the	the	DET
ajst-18344	70	8	drilling	drilling	NOUN
ajst-18344	70	9	tool	tool	NOUN
ajst-18344	70	10	shell	shell	VERB
ajst-18344	70	11	,	,	PUNCT
ajst-18344	70	12	and	and	CCONJ
ajst-18344	70	13	m2	m2	PROPN
ajst-18344	70	14	is	be	AUX
ajst-18344	70	15	the	the	DET
ajst-18344	70	16	mass	mass	NOUN
ajst-18344	70	17	of	of	ADP
ajst-18344	70	18	the	the	DET
ajst-18344	70	19	drilling	drilling	NOUN
ajst-18344	70	20	tool	tool	NOUN
ajst-18344	70	21	shaft	shaft	NOUN
ajst-18344	70	22	system	system	NOUN
ajst-18344	70	23	.	.	PUNCT
ajst-18344	71	1	the	the	DET
ajst-18344	71	2	drilling	drilling	NOUN
ajst-18344	71	3	tool	tool	NOUN
ajst-18344	71	4	shell	shell	VERB
ajst-18344	71	5	and	and	CCONJ
ajst-18344	71	6	the	the	DET
ajst-18344	71	7	shaft	shaft	NOUN
ajst-18344	71	8	system	system	NOUN
ajst-18344	71	9	are	be	AUX
ajst-18344	71	10	connected	connect	VERB
ajst-18344	71	11	through	through	ADP
ajst-18344	71	12	equivalent	equivalent	ADJ
ajst-18344	71	13	springs	spring	NOUN
ajst-18344	71	14	and	and	CCONJ
ajst-18344	71	15	damping	damp	VERB
ajst-18344	71	16	.	.	PUNCT
ajst-18344	72	1	k	k	PROPN
ajst-18344	72	2	and	and	CCONJ
ajst-18344	72	3	c	c	PROPN
ajst-18344	72	4	represent	represent	VERB
ajst-18344	72	5	the	the	DET
ajst-18344	72	6	shell	shell	NOUN
ajst-18344	72	7	respectively	respectively	ADV
ajst-18344	72	8	.	.	PUNCT
ajst-18344	73	1	the	the	DET
ajst-18344	73	2	equivalent	equivalent	ADJ
ajst-18344	73	3	stiffness	stiffness	NOUN
ajst-18344	73	4	and	and	CCONJ
ajst-18344	73	5	equivalent	equivalent	ADJ
ajst-18344	73	6	damping	damping	NOUN
ajst-18344	73	7	between	between	ADP
ajst-18344	73	8	the	the	DET
ajst-18344	73	9	body	body	NOUN
ajst-18344	73	10	and	and	CCONJ
ajst-18344	73	11	the	the	DET
ajst-18344	73	12	shaft	shaft	NOUN
ajst-18344	73	13	system	system	NOUN
ajst-18344	73	14	(	(	PUNCT
ajst-18344	73	15	including	include	VERB
ajst-18344	73	16	between	between	ADP
ajst-18344	73	17	the	the	DET
ajst-18344	73	18	rubber	rubber	NOUN
ajst-18344	73	19	bushing	bushing	NOUN
ajst-18344	73	20	and	and	CCONJ
ajst-18344	73	21	the	the	DET
ajst-18344	73	22	stator	stator	NOUN
ajst-18344	73	23	,	,	PUNCT
ajst-18344	73	24	and	and	CCONJ
ajst-18344	73	25	the	the	DET
ajst-18344	73	26	transmission	transmission	NOUN
ajst-18344	73	27	shaft	shaft	NOUN
ajst-18344	73	28	)	)	PUNCT
ajst-18344	73	29	,	,	PUNCT
ajst-18344	73	30	the	the	DET
ajst-18344	73	31	drill	drill	NOUN
ajst-18344	73	32	bit	bit	NOUN
ajst-18344	73	33	is	be	AUX
ajst-18344	73	34	equivalent	equivalent	ADJ
ajst-18344	73	35	to	to	ADP
ajst-18344	73	36	the	the	DET
ajst-18344	73	37	fixed	fix	VERB
ajst-18344	73	38	connection	connection	NOUN
ajst-18344	73	39	between	between	ADP
ajst-18344	73	40	the	the	DET
ajst-18344	73	41	foundation	foundation	NOUN
ajst-18344	73	42	and	and	CCONJ
ajst-18344	73	43	the	the	DET
ajst-18344	73	44	shaft	shaft	NOUN
ajst-18344	73	45	system	system	NOUN
ajst-18344	73	46	.	.	PUNCT
ajst-18344	74	1	the	the	DET
ajst-18344	74	2	impact	impact	NOUN
ajst-18344	74	3	load	load	NOUN
ajst-18344	74	4	transmitted	transmit	VERB
ajst-18344	74	5	upward	upward	ADV
ajst-18344	74	6	by	by	ADP
ajst-18344	74	7	the	the	DET
ajst-18344	74	8	drill	drill	NOUN
ajst-18344	74	9	bit	bit	NOUN
ajst-18344	74	10	is	be	AUX
ajst-18344	74	11	simplified	simplify	VERB
ajst-18344	74	12	to	to	ADP
ajst-18344	74	13	a	a	DET
ajst-18344	74	14	simple	simple	ADJ
ajst-18344	74	15	harmonic	harmonic	ADJ
ajst-18344	74	16	excitation	excitation	NOUN
ajst-18344	74	17	y.	y.	NOUN
ajst-18344	74	18	in	in	ADP
ajst-18344	74	19	order	order	NOUN
ajst-18344	74	20	to	to	PART
ajst-18344	74	21	reduce	reduce	VERB
ajst-18344	74	22	the	the	DET
ajst-18344	74	23	impact	impact	NOUN
ajst-18344	74	24	load	load	NOUN
ajst-18344	74	25	on	on	ADP
ajst-18344	74	26	the	the	DET
ajst-18344	74	27	drilling	drilling	NOUN
ajst-18344	74	28	tool	tool	NOUN
ajst-18344	74	29	,	,	PUNCT
ajst-18344	74	30	it	it	PRON
ajst-18344	74	31	is	be	AUX
ajst-18344	74	32	necessary	necessary	ADJ
ajst-18344	74	33	to	to	PART
ajst-18344	74	34	change	change	VERB
ajst-18344	74	35	the	the	DET
ajst-18344	74	36	connection	connection	NOUN
ajst-18344	74	37	relationship	relationship	NOUN
ajst-18344	74	38	between	between	ADP
ajst-18344	74	39	the	the	DET
ajst-18344	74	40	shaft	shaft	NOUN
ajst-18344	74	41	system	system	NOUN
ajst-18344	74	42	and	and	CCONJ
ajst-18344	74	43	the	the	DET
ajst-18344	74	44	drill	drill	NOUN
ajst-18344	74	45	bit	bit	NOUN
ajst-18344	74	46	,	,	PUNCT
ajst-18344	74	47	and	and	CCONJ
ajst-18344	74	48	set	set	VERB
ajst-18344	74	49	up	up	ADP
ajst-18344	74	50	a	a	DET
ajst-18344	74	51	vibration	vibration	NOUN
ajst-18344	74	52	damping	damp	VERB
ajst-18344	74	53	assembly	assembly	NOUN
ajst-18344	74	54	with	with	ADP
ajst-18344	74	55	damping	damp	VERB
ajst-18344	74	56	and	and	CCONJ
ajst-18344	74	57	stiffness	stiffness	NOUN
ajst-18344	74	58	between	between	ADP
ajst-18344	74	59	the	the	DET
ajst-18344	74	60	shaft	shaft	NOUN
ajst-18344	74	61	system	system	NOUN
ajst-18344	74	62	and	and	CCONJ
ajst-18344	74	63	the	the	DET
ajst-18344	74	64	drill	drill	NOUN
ajst-18344	74	65	bit	bit	NOUN
ajst-18344	74	66	.	.	PUNCT
ajst-18344	75	1	the	the	DET
ajst-18344	75	2	mechanical	mechanical	ADJ
ajst-18344	75	3	model	model	NOUN
ajst-18344	75	4	at	at	ADP
ajst-18344	75	5	this	this	DET
ajst-18344	75	6	time	time	NOUN
ajst-18344	75	7	is	be	AUX
ajst-18344	75	8	shown	show	VERB
ajst-18344	75	9	in	in	ADP
ajst-18344	75	10	figure5	figure5	NOUN
ajst-18344	75	11	(	(	PUNCT
ajst-18344	75	12	b	b	NOUN
ajst-18344	75	13	)	)	PUNCT
ajst-18344	75	14	,	,	PUNCT
ajst-18344	75	15	m3	m3	PROPN
ajst-18344	75	16	is	be	AUX
ajst-18344	75	17	the	the	DET
ajst-18344	75	18	sum	sum	NOUN
ajst-18344	75	19	of	of	ADP
ajst-18344	75	20	the	the	DET
ajst-18344	75	21	masses	masse	NOUN
ajst-18344	75	22	of	of	ADP
ajst-18344	75	23	the	the	DET
ajst-18344	75	24	shaft	shaft	NOUN
ajst-18344	75	25	system	system	NOUN
ajst-18344	75	26	and	and	CCONJ
ajst-18344	75	27	the	the	DET
ajst-18344	75	28	vibration	vibration	NOUN
ajst-18344	75	29	-	-	PUNCT
ajst-18344	75	30	damping	damp	VERB
ajst-18344	75	31	structure	structure	NOUN
ajst-18344	75	32	.	.	PUNCT
ajst-18344	76	1	the	the	DET
ajst-18344	76	2	soft	soft	ADJ
ajst-18344	76	3	connection	connection	NOUN
ajst-18344	76	4	with	with	ADP
ajst-18344	76	5	the	the	DET
ajst-18344	76	6	drill	drill	NOUN
ajst-18344	76	7	bit	bit	NOUN
ajst-18344	76	8	is	be	AUX
ajst-18344	76	9	achieved	achieve	VERB
ajst-18344	76	10	through	through	ADP
ajst-18344	76	11	the	the	DET
ajst-18344	76	12	vibration	vibration	NOUN
ajst-18344	76	13	-	-	PUNCT
ajst-18344	76	14	damping	damp	VERB
ajst-18344	76	15	assembly	assembly	NOUN
ajst-18344	76	16	,	,	PUNCT
ajst-18344	76	17	and	and	CCONJ
ajst-18344	76	18	the	the	DET
ajst-18344	76	19	singledegree	singledegree	NOUN
ajst-18344	76	20	-	-	PUNCT
ajst-18344	76	21	of	of	ADP
ajst-18344	76	22	-	-	PUNCT
ajst-18344	76	23	freedom	freedom	NOUN
ajst-18344	76	24	vibration	vibration	NOUN
ajst-18344	76	25	model	model	NOUN
ajst-18344	76	26	of	of	ADP
ajst-18344	76	27	the	the	DET
ajst-18344	76	28	drilling	drilling	NOUN
ajst-18344	76	29	tool	tool	NOUN
ajst-18344	76	30	is	be	AUX
ajst-18344	76	31	converted	convert	VERB
ajst-18344	76	32	into	into	ADP
ajst-18344	76	33	a	a	DET
ajst-18344	76	34	two	two	NUM
ajst-18344	76	35	-	-	PUNCT
ajst-18344	76	36	degree	degree	NOUN
ajst-18344	76	37	-	-	PUNCT
ajst-18344	76	38	of	of	ADP
ajst-18344	76	39	-	-	PUNCT
ajst-18344	76	40	freedom	freedom	NOUN
ajst-18344	76	41	vibration	vibration	NOUN
ajst-18344	76	42	model	model	NOUN
ajst-18344	76	43	.	.	PUNCT
ajst-18344	77	1	k1	k1	PROPN
ajst-18344	77	2	and	and	CCONJ
ajst-18344	77	3	c1	c1	NOUN
ajst-18344	77	4	are	be	AUX
ajst-18344	77	5	equivalent	equivalent	ADJ
ajst-18344	77	6	stiffness	stiffness	NOUN
ajst-18344	77	7	and	and	CCONJ
ajst-18344	77	8	equivalent	equivalent	ADJ
ajst-18344	77	9	damping	damping	NOUN
ajst-18344	77	10	of	of	ADP
ajst-18344	77	11	the	the	DET
ajst-18344	77	12	vibration	vibration	NOUN
ajst-18344	77	13	damping	damp	VERB
ajst-18344	77	14	assembly	assembly	NOUN
ajst-18344	77	15	.	.	PUNCT
ajst-18344	78	1	according	accord	VERB
ajst-18344	78	2	to	to	ADP
ajst-18344	78	3	newton	newton	PROPN
ajst-18344	78	4	's	's	PART
ajst-18344	78	5	second	second	ADJ
ajst-18344	78	6	law	law	NOUN
ajst-18344	78	7	,	,	PUNCT
ajst-18344	78	8	the	the	DET
ajst-18344	78	9	axial	axial	ADJ
ajst-18344	78	10	vibration	vibration	NOUN
ajst-18344	78	11	equations	equation	NOUN
ajst-18344	78	12	of	of	ADP
ajst-18344	78	13	two	two	NUM
ajst-18344	78	14	simplified	simplified	ADJ
ajst-18344	78	15	mechanical	mechanical	ADJ
ajst-18344	78	16	models	model	NOUN
ajst-18344	78	17	of	of	ADP
ajst-18344	78	18	drilling	drilling	NOUN
ajst-18344	78	19	tools	tool	NOUN
ajst-18344	78	20	are	be	AUX
ajst-18344	78	21	established[11	established[11	VERB
ajst-18344	78	22	]	]	X
ajst-18344	78	23	.	.	PUNCT
ajst-18344	79	1	(	(	PUNCT
ajst-18344	79	2	1	1	X
ajst-18344	79	3	)	)	PUNCT
ajst-18344	79	4	the	the	DET
ajst-18344	79	5	vibration	vibration	NOUN
ajst-18344	79	6	equation	equation	NOUN
ajst-18344	79	7	of	of	ADP
ajst-18344	79	8	ordinary	ordinary	ADJ
ajst-18344	79	9	pdm	pdm	NOUN
ajst-18344	79	10	is	be	AUX
ajst-18344	79	11	expressed	express	VERB
ajst-18344	79	12	as	as	ADP
ajst-18344	79	13	:	:	PUNCT
ajst-18344	79	14	2	2	NUM
ajst-18344	79	15	21	21	NUM
ajst-18344	79	16	1	1	NUM
ajst-18344	79	17	1	1	NUM
ajst-18344	79	18	1	1	NUM
ajst-18344	79	19	1	1	NUM
ajst-18344	79	20	1	1	NUM
ajst-18344	79	21	2	2	NUM
ajst-18344	79	22	(	(	PUNCT
ajst-18344	79	23	)	)	PUNCT
ajst-18344	79	24	(	(	PUNCT
ajst-18344	79	25	)	)	PUNCT
ajst-18344	79	26	sin	sin	VERB
ajst-18344	79	27	m	m	NOUN
ajst-18344	79	28	x	x	PROPN
ajst-18344	80	1	w	w	VERB
ajst-18344	80	2	k	k	NOUN
ajst-18344	80	3	x	x	PUNCT
ajst-18344	80	4	x	x	PUNCT
ajst-18344	80	5	x	x	PUNCT
ajst-18344	80	6	x	x	X
ajst-18344	80	7	t	t	NOUN
ajst-18344	80	8	c	c	NOUN
ajst-18344	80	9	x	x	X
ajst-18344	80	10	y	y	NOUN
ajst-18344	80	11			PROPN
ajst-18344	80	12			PROPN
ajst-18344	80	13			PROPN
ajst-18344	80	14			PROPN
ajst-18344	80	15			PROPN
ajst-18344	80	16			VERB
ajst-18344	80	17			NOUN
ajst-18344	80	18			NOUN
ajst-18344	80	19			NOUN
ajst-18344	80	20			NOUN
ajst-18344	80	21			NOUN
ajst-18344	80	22	(	(	PUNCT
ajst-18344	80	23	2	2	X
ajst-18344	80	24	)	)	PUNCT
ajst-18344	80	25	convert	convert	VERB
ajst-18344	80	26	the	the	DET
ajst-18344	80	27	absolute	absolute	ADJ
ajst-18344	80	28	displacement	displacement	NOUN
ajst-18344	80	29	of	of	ADP
ajst-18344	80	30	the	the	DET
ajst-18344	80	31	drilling	drilling	NOUN
ajst-18344	80	32	tool	tool	NOUN
ajst-18344	80	33	housing	housing	NOUN
ajst-18344	80	34	and	and	CCONJ
ajst-18344	80	35	the	the	DET
ajst-18344	80	36	shaft	shaft	NOUN
ajst-18344	80	37	system	system	NOUN
ajst-18344	80	38	into	into	ADP
ajst-18344	80	39	the	the	DET
ajst-18344	80	40	relative	relative	ADJ
ajst-18344	80	41	displacement	displacement	NOUN
ajst-18344	80	42	z	z	PROPN
ajst-18344	80	43	=	=	PROPN
ajst-18344	80	44	x1	x1	PROPN
ajst-18344	80	45	-x2	-x2	NOUN
ajst-18344	80	46	,	,	PUNCT
ajst-18344	80	47	and	and	CCONJ
ajst-18344	80	48	set	set	VERB
ajst-18344	80	49	the	the	DET
ajst-18344	80	50	basic	basic	ADJ
ajst-18344	80	51	excitation	excitation	NOUN
ajst-18344	80	52	function	function	NOUN
ajst-18344	80	53	as	as	SCONJ
ajst-18344	80	54	:	:	PUNCT
ajst-18344	80	55	ω	ω	NUM
ajst-18344	80	56	is	be	AUX
ajst-18344	80	57	an	an	DET
ajst-18344	80	58	integer	integer	NOUN
ajst-18344	80	59	multiple	multiple	NOUN
ajst-18344	80	60	of	of	ADP
ajst-18344	80	61	the	the	DET
ajst-18344	80	62	drilling	drilling	NOUN
ajst-18344	80	63	speed	speed	NOUN
ajst-18344	80	64	of	of	ADP
ajst-18344	80	65	the	the	DET
ajst-18344	80	66	drill	drill	NOUN
ajst-18344	80	67	bit	bit	NOUN
ajst-18344	80	68	,	,	PUNCT
ajst-18344	80	69	which	which	PRON
ajst-18344	80	70	is	be	AUX
ajst-18344	80	71	determined	determine	VERB
ajst-18344	80	72	by	by	ADP
ajst-18344	80	73	the	the	DET
ajst-18344	80	74	type	type	NOUN
ajst-18344	80	75	of	of	ADP
ajst-18344	80	76	drill	drill	NOUN
ajst-18344	80	77	bit	bit	NOUN
ajst-18344	80	78	.	.	PUNCT
ajst-18344	81	1	plugged	plug	VERB
ajst-18344	81	2	into	into	ADP
ajst-18344	81	3	the	the	DET
ajst-18344	81	4	formula	formula	NOUN
ajst-18344	81	5	(	(	PUNCT
ajst-18344	81	6	2	2	X
ajst-18344	81	7	)	)	PUNCT
ajst-18344	81	8	we	we	PRON
ajst-18344	81	9	get	get	VERB
ajst-18344	81	10	:	:	PUNCT
ajst-18344	82	1	2	2	NUM
ajst-18344	82	2	1	1	NUM
ajst-18344	82	3	1	1	NUM
ajst-18344	82	4	1	1	NUM
ajst-18344	82	5	1	1	NUM
ajst-18344	82	6	sinm	sinm	ADJ
ajst-18344	82	7	tz	tz	NOUN
ajst-18344	82	8	c	c	NOUN
ajst-18344	82	9	z	z	PROPN
ajst-18344	83	1	k	k	PROPN
ajst-18344	83	2	z	z	PROPN
ajst-18344	83	3	w	w	PROPN
ajst-18344	83	4	m	m	VERB
ajst-18344	83	5	y	y	NOUN
ajst-18344	83	6			VERB
ajst-18344	83	7			NOUN
ajst-18344	83	8			NUM
ajst-18344	83	9			NUM
ajst-18344	83	10			NOUN
ajst-18344	83	11	(	(	PUNCT
ajst-18344	83	12	3	3	X
ajst-18344	83	13	)	)	PUNCT
ajst-18344	83	14	solve	solve	VERB
ajst-18344	83	15	the	the	DET
ajst-18344	83	16	differential	differential	ADJ
ajst-18344	83	17	equation	equation	NOUN
ajst-18344	83	18	to	to	PART
ajst-18344	83	19	obtain	obtain	VERB
ajst-18344	83	20	the	the	DET
ajst-18344	83	21	drilling	drilling	NOUN
ajst-18344	83	22	tool	tool	NOUN
ajst-18344	83	23	shell	shell	VERB
ajst-18344	83	24	displacement	displacement	ADJ
ajst-18344	83	25	equation	equation	NOUN
ajst-18344	83	26	:	:	PUNCT
ajst-18344	83	27	2	2	NUM
ajst-18344	83	28	2	2	NUM
ajst-18344	83	29	2	2	NUM
ajst-18344	83	30	2	2	NUM
ajst-18344	83	31	2	2	NUM
ajst-18344	83	32	1	1	NUM
ajst-18344	83	33	1	1	NUM
ajst-18344	83	34	2	2	NUM
ajst-18344	83	35	2	2	NUM
ajst-18344	83	36	21	21	NUM
ajst-18344	83	37	1	1	NUM
ajst-18344	83	38	sin	sin	NOUN
ajst-18344	83	39	(	(	PUNCT
ajst-18344	83	40	)	)	PUNCT
ajst-18344	83	41	s	s	PROPN
ajst-18344	83	42	(	(	PUNCT
ajst-18344	83	43	in	in	ADP
ajst-18344	83	44	(	(	PUNCT
ajst-18344	83	45	)	)	PUNCT
ajst-18344	83	46	(	(	PUNCT
ajst-18344	83	47	)	)	PUNCT
ajst-18344	83	48	(	(	PUNCT
ajst-18344	83	49	)	)	PUNCT
ajst-18344	83	50	(	(	PUNCT
ajst-18344	83	51	1	1	X
ajst-18344	83	52	)	)	PUNCT
ajst-18344	83	53	(	(	PUNCT
ajst-18344	83	54	2	2	X
ajst-18344	83	55	)	)	PUNCT
ajst-18344	83	56	(	(	PUNCT
ajst-18344	83	57	)	)	PUNCT
ajst-18344	83	58	)	)	PUNCT
ajst-18344	84	1	n	n	CCONJ
ajst-18344	84	2	n	n	CCONJ
ajst-18344	84	3	n	n	ADV
ajst-18344	84	4	y	y	PROPN
ajst-18344	84	5	w	w	PROPN
ajst-18344	84	6	m	m	VERB
ajst-18344	84	7	y	y	PROPN
ajst-18344	84	8	w	w	PROPN
ajst-18344	84	9	z	z	PROPN
ajst-18344	84	10	k	k	PROPN
ajst-18344	85	1	k	k	PROPN
ajst-18344	85	2	t	t	PROPN
ajst-18344	86	1	k	k	X
ajst-18344	86	2	m	m	VERB
ajst-18344	86	3	c	c	NOUN
ajst-18344	86	4	t	t	X
ajst-18344	86	5			X
ajst-18344	86	6			PROPN
ajst-18344	86	7			PROPN
ajst-18344	86	8			CCONJ
ajst-18344	87	1			X
ajst-18344	87	2			PROPN
ajst-18344	87	3			X
ajst-18344	87	4			PUNCT
ajst-18344	87	5			X
ajst-18344	87	6			X
ajst-18344	87	7			NUM
ajst-18344	87	8			PROPN
ajst-18344	87	9			PROPN
ajst-18344	87	10			PUNCT
ajst-18344	87	11			PROPN
ajst-18344	87	12			PROPN
ajst-18344	87	13			VERB
ajst-18344	87	14			PROPN
ajst-18344	87	15			VERB
ajst-18344	87	16			PROPN
ajst-18344	87	17			VERB
ajst-18344	87	18			NOUN
ajst-18344	87	19	(	(	PUNCT
ajst-18344	87	20	4	4	NUM
ajst-18344	87	21	)	)	SYM
ajst-18344	87	22	1	1	NUM
ajst-18344	87	23	2	2	NUM
ajst-18344	87	24	21	21	NUM
ajst-18344	87	25	2	2	NUM
ajst-18344	87	26	(	(	PUNCT
ajst-18344	87	27	)	)	PUNCT
ajst-18344	87	28	arctan	arctan	PROPN
ajst-18344	87	29	arctan	arctan	PROPN
ajst-18344	87	30	1	1	NUM
ajst-18344	87	31	(	(	PUNCT
ajst-18344	87	32	)	)	PUNCT
ajst-18344	87	33	n	n	CCONJ
ajst-18344	87	34	n	n	PROPN
ajst-18344	87	35	c	c	NOUN
ajst-18344	87	36	k	k	PROPN
ajst-18344	87	37	m	m	VERB
ajst-18344	87	38			PROPN
ajst-18344	87	39			PROPN
ajst-18344	87	40			X
ajst-18344	87	41			X
ajst-18344	87	42			NUM
ajst-18344	87	43			PRON
ajst-18344	87	44			NUM
ajst-18344	87	45			PROPN
ajst-18344	87	46			PROPN
ajst-18344	87	47			NOUN
ajst-18344	87	48	(	(	PUNCT
ajst-18344	87	49	5	5	NUM
ajst-18344	87	50	)	)	PUNCT
ajst-18344	87	51	in	in	ADP
ajst-18344	87	52	the	the	DET
ajst-18344	87	53	formula	formula	NOUN
ajst-18344	87	54	:	:	PUNCT
ajst-18344	87	55	the	the	DET
ajst-18344	87	56	frequency	frequency	NOUN
ajst-18344	87	57	ratio	ratio	NOUN
ajst-18344	87	58	is	be	AUX
ajst-18344	87	59	n	n	PRON
ajst-18344	87	60	s	s	PRON
ajst-18344	87	61			X
ajst-18344	88	1			X
ajst-18344	88	2			PROPN
ajst-18344	88	3	,	,	PUNCT
ajst-18344	88	4	n	n	NUM
ajst-18344	89	1	which	which	PRON
ajst-18344	89	2	is	be	AUX
ajst-18344	89	3	the	the	DET
ajst-18344	89	4	natural	natural	ADJ
ajst-18344	89	5	frequency	frequency	NOUN
ajst-18344	89	6	of	of	ADP
ajst-18344	89	7	the	the	DET
ajst-18344	89	8	drilling	drilling	NOUN
ajst-18344	89	9	tool	tool	NOUN
ajst-18344	89	10	shell	shell	NOUN
ajst-18344	89	11	;	;	PUNCT
ajst-18344	89	12	the	the	DET
ajst-18344	89	13	damping	damp	VERB
ajst-18344	89	14	ratio	ratio	NOUN
ajst-18344	89	15	is	be	AUX
ajst-18344	89	16	2	2	NUM
ajst-18344	89	17	n	n	NOUN
ajst-18344	89	18	c	c	NOUN
ajst-18344	89	19	m	m	VERB
ajst-18344	89	20			NUM
ajst-18344	90	1			X
ajst-18344	90	2			NOUN
ajst-18344	90	3	,	,	PUNCT
ajst-18344	90	4	and	and	CCONJ
ajst-18344	90	5	the	the	DET
ajst-18344	90	6	phase	phase	NOUN
ajst-18344	90	7	difference	difference	NOUN
ajst-18344	90	8	is	be	AUX
ajst-18344	90	9	φ	φ	PROPN
ajst-18344	90	10	.	.	PUNCT
ajst-18344	91	1	from	from	ADP
ajst-18344	91	2	the	the	DET
ajst-18344	91	3	formula	formula	NOUN
ajst-18344	91	4	that	that	PRON
ajst-18344	91	5	(	(	PUNCT
ajst-18344	91	6	4)under	4)under	NUM
ajst-18344	91	7	the	the	DET
ajst-18344	91	8	action	action	NOUN
ajst-18344	91	9	of	of	ADP
ajst-18344	91	10	the	the	DET
ajst-18344	91	11	drilling	drilling	NOUN
ajst-18344	91	12	weight	weight	NOUN
ajst-18344	91	13	w	w	PROPN
ajst-18344	91	14	,	,	PUNCT
ajst-18344	91	15	the	the	DET
ajst-18344	91	16	mass	mass	NOUN
ajst-18344	91	17	m2	m2	PROPN
ajst-18344	91	18	will	will	AUX
ajst-18344	91	19	produce	produce	VERB
ajst-18344	91	20	a	a	DET
ajst-18344	91	21	constant	constant	ADJ
ajst-18344	91	22	displacement	displacement	NOUN
ajst-18344	91	23	1	1	NUM
ajst-18344	91	24	w	w	NOUN
ajst-18344	91	25	k	k	PROPN
ajst-18344	91	26	.	.	PUNCT
ajst-18344	92	1	when	when	SCONJ
ajst-18344	92	2	studying	study	VERB
ajst-18344	92	3	the	the	DET
ajst-18344	92	4	steady	steady	ADJ
ajst-18344	92	5	-	-	PUNCT
ajst-18344	92	6	state	state	NOUN
ajst-18344	92	7	response	response	NOUN
ajst-18344	92	8	,	,	PUNCT
ajst-18344	92	9	the	the	DET
ajst-18344	92	10	constant	constant	ADJ
ajst-18344	92	11	force	force	NOUN
ajst-18344	92	12	can	can	AUX
ajst-18344	92	13	be	be	AUX
ajst-18344	92	14	ignored	ignore	VERB
ajst-18344	92	15	,	,	PUNCT
ajst-18344	92	16	and	and	CCONJ
ajst-18344	92	17	the	the	DET
ajst-18344	92	18	focus	focus	NOUN
ajst-18344	92	19	is	be	AUX
ajst-18344	92	20	on	on	ADP
ajst-18344	92	21	the	the	DET
ajst-18344	92	22	system	system	NOUN
ajst-18344	92	23	response	response	NOUN
ajst-18344	92	24	under	under	ADP
ajst-18344	92	25	the	the	DET
ajst-18344	92	26	action	action	NOUN
ajst-18344	92	27	of	of	ADP
ajst-18344	92	28	external	external	ADJ
ajst-18344	92	29	excitation	excitation	NOUN
ajst-18344	92	30	.	.	PUNCT
ajst-18344	93	1	the	the	DET
ajst-18344	93	2	displacement	displacement	NOUN
ajst-18344	93	3	of	of	ADP
ajst-18344	93	4	the	the	DET
ajst-18344	93	5	drilling	drilling	NOUN
ajst-18344	93	6	tool	tool	NOUN
ajst-18344	93	7	housing	housing	NOUN
ajst-18344	93	8	m2	m2	PROPN
ajst-18344	93	9	can	can	AUX
ajst-18344	93	10	be	be	AUX
ajst-18344	93	11	obtained	obtain	VERB
ajst-18344	93	12	by	by	ADP
ajst-18344	93	13	x	x	X
ajst-18344	93	14	=	=	SYM
ajst-18344	93	15	z+y	z+y	NUM
ajst-18344	93	16	,	,	PUNCT
ajst-18344	93	17	assuming	assume	VERB
ajst-18344	93	18	sin	sin	NOUN
ajst-18344	93	19	(	(	PUNCT
ajst-18344	93	20	)	)	PUNCT
ajst-18344	93	21	x	x	X
ajst-18344	93	22	x	x	PUNCT
ajst-18344	93	23	t	t	X
ajst-18344	93	24			PROPN
ajst-18344	93	25			PROPN
ajst-18344	93	26	.	.	PUNCT
ajst-18344	94	1	the	the	DET
ajst-18344	94	2	available	available	ADJ
ajst-18344	94	3	amplitude	amplitude	NOUN
ajst-18344	94	4	ratio	ratio	NOUN
ajst-18344	94	5	x	x	VERB
ajst-18344	94	6	y	y	PROPN
ajst-18344	94	7	is	be	AUX
ajst-18344	94	8	:	:	PUNCT
ajst-18344	94	9	2	2	NUM
ajst-18344	94	10	2	2	NUM
ajst-18344	94	11	2	2	NUM
ajst-18344	94	12	2	2	NUM
ajst-18344	94	13	1	1	NUM
ajst-18344	94	14	(	(	PUNCT
ajst-18344	94	15	)	)	PUNCT
ajst-18344	94	16	(	(	PUNCT
ajst-18344	94	17	2	2	X
ajst-18344	94	18	)	)	PUNCT
ajst-18344	94	19	(	(	PUNCT
ajst-18344	94	20	1	1	X
ajst-18344	94	21	)	)	PUNCT
ajst-18344	94	22	(	(	PUNCT
ajst-18344	94	23	2	2	X
ajst-18344	94	24	)	)	PUNCT
ajst-18344	94	25	n	n	CCONJ
ajst-18344	94	26	n	n	CCONJ
ajst-18344	94	27	n	n	NOUN
ajst-18344	94	28	x	x	SYM
ajst-18344	94	29	y	y	NOUN
ajst-18344	94	30			X
ajst-18344	94	31			X
ajst-18344	95	1			X
ajst-18344	95	2			X
ajst-18344	95	3			X
ajst-18344	95	4			X
ajst-18344	95	5			PUNCT
ajst-18344	95	6			NUM
ajst-18344	95	7			PROPN
ajst-18344	95	8			PROPN
ajst-18344	95	9			PROPN
ajst-18344	95	10			X
ajst-18344	95	11	(	(	PUNCT
ajst-18344	95	12	6	6	NUM
ajst-18344	95	13	)	)	PUNCT
ajst-18344	95	14	(	(	PUNCT
ajst-18344	95	15	2	2	X
ajst-18344	95	16	)	)	PUNCT
ajst-18344	95	17	the	the	DET
ajst-18344	95	18	vibration	vibration	NOUN
ajst-18344	95	19	equation	equation	NOUN
ajst-18344	95	20	after	after	ADP
ajst-18344	95	21	adding	add	VERB
ajst-18344	95	22	the	the	DET
ajst-18344	95	23	vibration	vibration	NOUN
ajst-18344	95	24	damping	damp	VERB
ajst-18344	95	25	assembly	assembly	NOUN
ajst-18344	95	26	is	be	AUX
ajst-18344	95	27	expressed	express	VERB
ajst-18344	95	28	as	as	ADP
ajst-18344	95	29	:	:	SYM
ajst-18344	95	30	1	1	NUM
ajst-18344	95	31	1	1	NUM
ajst-18344	95	32	1	1	NUM
ajst-18344	95	33	1	1	NUM
ajst-18344	95	34	1	1	NUM
ajst-18344	95	35	1	1	NUM
ajst-18344	95	36	3	3	NUM
ajst-18344	95	37	33	33	NUM
ajst-18344	95	38	3	3	NUM
ajst-18344	95	39	3	3	NUM
ajst-18344	95	40	3	3	NUM
ajst-18344	95	41	3	3	NUM
ajst-18344	95	42	1	1	NUM
ajst-18344	95	43	13	13	NUM
ajst-18344	95	44	33	33	NUM
ajst-18344	95	45	1	1	NUM
ajst-18344	95	46	1	1	NUM
ajst-18344	95	47	(	(	PUNCT
ajst-18344	95	48	)	)	PUNCT
ajst-18344	95	49	(	(	PUNCT
ajst-18344	95	50	)	)	PUNCT
ajst-18344	95	51	(	(	PUNCT
ajst-18344	95	52	)	)	PUNCT
ajst-18344	95	53	(	(	PUNCT
ajst-18344	95	54	)	)	PUNCT
ajst-18344	95	55	(	(	PUNCT
ajst-18344	95	56	)	)	PUNCT
ajst-18344	95	57	(	(	PUNCT
ajst-18344	95	58	)	)	PUNCT
ajst-18344	95	59	m	m	VERB
ajst-18344	95	60	x	x	X
ajst-18344	96	1	k	k	NOUN
ajst-18344	96	2	x	x	PUNCT
ajst-18344	96	3	x	x	X
ajst-18344	96	4	c	c	NOUN
ajst-18344	96	5	x	x	X
ajst-18344	96	6	x	x	VERB
ajst-18344	96	7	m	m	VERB
ajst-18344	96	8	x	x	X
ajst-18344	96	9	k	k	NOUN
ajst-18344	96	10	x	x	PUNCT
ajst-18344	96	11	y	y	NOUN
ajst-18344	96	12	c	c	NOUN
ajst-18344	96	13	x	x	VERB
ajst-18344	96	14	y	y	NOUN
ajst-18344	96	15	k	k	NOUN
ajst-18344	96	16	x	x	PUNCT
ajst-18344	96	17	x	x	X
ajst-18344	96	18	c	c	NOUN
ajst-18344	96	19	x	x	SYM
ajst-18344	96	20	x	x	SYM
ajst-18344	96	21			PROPN
ajst-18344	96	22			PROPN
ajst-18344	96	23			PROPN
ajst-18344	96	24			PROPN
ajst-18344	96	25			PROPN
ajst-18344	96	26			NOUN
ajst-18344	96	27			ADV
ajst-18344	96	28			PROPN
ajst-18344	96	29			VERB
ajst-18344	96	30			PROPN
ajst-18344	96	31			PROPN
ajst-18344	96	32			PROPN
ajst-18344	96	33			PUNCT
ajst-18344	96	34			CCONJ
ajst-18344	96	35			NOUN
ajst-18344	96	36			NOUN
ajst-18344	96	37			NOUN
ajst-18344	96	38			NOUN
ajst-18344	96	39			NOUN
ajst-18344	96	40			NOUN
ajst-18344	96	41			NOUN
ajst-18344	96	42			NOUN
ajst-18344	96	43	(	(	PUNCT
ajst-18344	96	44	7	7	X
ajst-18344	96	45	)	)	PUNCT
ajst-18344	96	46	the	the	DET
ajst-18344	96	47	above	above	ADJ
ajst-18344	96	48	equation	equation	NOUN
ajst-18344	96	49	is	be	AUX
ajst-18344	96	50	solved	solve	VERB
ajst-18344	96	51	using	use	VERB
ajst-18344	96	52	the	the	DET
ajst-18344	96	53	complex	complex	ADJ
ajst-18344	96	54	number	number	NOUN
ajst-18344	96	55	method	method	NOUN
ajst-18344	96	56	.	.	PUNCT
ajst-18344	97	1	assuming	assume	VERB
ajst-18344	97	2	that	that	SCONJ
ajst-18344	97	3	the	the	DET
ajst-18344	97	4	basic	basic	ADJ
ajst-18344	97	5	excitation	excitation	NOUN
ajst-18344	97	6	can	can	AUX
ajst-18344	97	7	(	(	PUNCT
ajst-18344	97	8	)	)	PUNCT
ajst-18344	97	9	i	i	PRON
ajst-18344	97	10	ty	ty	INTJ
ajst-18344	97	11	t	t	PROPN
ajst-18344	97	12	ye	ye	PRON
ajst-18344	97	13			X
ajst-18344	97	14	be	be	AUX
ajst-18344	97	15	represented	represent	VERB
ajst-18344	97	16	by	by	ADP
ajst-18344	97	17	the	the	DET
ajst-18344	97	18	imaginary	imaginary	ADJ
ajst-18344	97	19	part	part	NOUN
ajst-18344	97	20	of	of	ADP
ajst-18344	97	21	,	,	PUNCT
ajst-18344	97	22	the	the	DET
ajst-18344	97	23	special	special	ADJ
ajst-18344	97	24	solution	solution	NOUN
ajst-18344	97	25	of	of	ADP
ajst-18344	97	26	the	the	DET
ajst-18344	97	27	displacement	displacement	NOUN
ajst-18344	97	28	of	of	ADP
ajst-18344	97	29	the	the	DET
ajst-18344	97	30	two	two	NUM
ajst-18344	97	31	mass	mass	NOUN
ajst-18344	97	32	blocks	block	NOUN
ajst-18344	97	33	in	in	ADP
ajst-18344	97	34	complex	complex	ADJ
ajst-18344	97	35	form	form	NOUN
ajst-18344	97	36	is	be	AUX
ajst-18344	97	37	1	1	NUM
ajst-18344	97	38	1	1	NUM
ajst-18344	97	39	3	3	NUM
ajst-18344	97	40	3;i	3;i	NUM
ajst-18344	98	1	t	t	NOUN
ajst-18344	99	1	i	i	PRON
ajst-18344	99	2	tx	tx	VERB
ajst-18344	99	3	x	x	PUNCT
ajst-18344	99	4	e	e	NOUN
ajst-18344	99	5	x	x	PUNCT
ajst-18344	99	6	x	x	X
ajst-18344	99	7	e	e	NOUN
ajst-18344	99	8			X
ajst-18344	99	9			NOUN
ajst-18344	99	10	.	.	PUNCT
ajst-18344	100	1	putting	put	VERB
ajst-18344	100	2	the	the	DET
ajst-18344	100	3	special	special	ADJ
ajst-18344	100	4	solution	solution	NOUN
ajst-18344	100	5	into	into	ADP
ajst-18344	100	6	the	the	DET
ajst-18344	100	7	formula	formula	NOUN
ajst-18344	100	8	(	(	PUNCT
ajst-18344	100	9	7)we	7)we	NOUN
ajst-18344	100	10	get	get	VERB
ajst-18344	100	11	:	:	PUNCT
ajst-18344	100	12	2	2	NUM
ajst-18344	100	13	1	1	NUM
ajst-18344	100	14	1	1	NUM
ajst-18344	100	15	3	3	NUM
ajst-18344	100	16	1	1	NUM
ajst-18344	100	17	2	2	NUM
ajst-18344	100	18	1	1	NUM
ajst-18344	100	19	1	1	NUM
ajst-18344	100	20	1	1	NUM
ajst-18344	100	21	3	3	NUM
ajst-18344	100	22	3	3	NUM
ajst-18344	100	23	3	3	NUM
ajst-18344	100	24	3	3	NUM
ajst-18344	100	25	3	3	NUM
ajst-18344	100	26	1	1	NUM
ajst-18344	100	27	1	1	NUM
ajst-18344	100	28	1	1	NUM
ajst-18344	100	29	31	31	NUM
ajst-18344	100	30	1	1	NUM
ajst-18344	100	31	(	(	PUNCT
ajst-18344	100	32	)	)	PUNCT
ajst-18344	100	33	(	(	PUNCT
ajst-18344	100	34	)	)	PUNCT
ajst-18344	101	1	[	[	PUNCT
ajst-18344	101	2	]	]	X
ajst-18344	101	3	(	(	PUNCT
ajst-18344	101	4	(	(	PUNCT
ajst-18344	101	5	)	)	PUNCT
ajst-18344	101	6	(	(	PUNCT
ajst-18344	101	7	)	)	PUNCT
ajst-18344	101	8	)	)	PUNCT
ajst-18344	101	9	0	0	PUNCT
ajst-18344	102	1	i	i	PRON
ajst-18344	102	2	t	t	VERB
ajst-18344	103	1	i	i	PRON
ajst-18344	103	2	t	t	X
ajst-18344	104	1	i	i	PRON
ajst-18344	104	2	t	t	X
ajst-18344	105	1	i	i	PRON
ajst-18344	105	2	t	t	X
ajst-18344	106	1	i	i	PRON
ajst-18344	106	2	t	t	PROPN
ajst-18344	107	1	k	k	INTJ
ajst-18344	107	2	i	i	PRON
ajst-18344	107	3	x	x	PUNCT
ajst-18344	108	1	e	e	X
ajst-18344	108	2	k	k	PROPN
ajst-18344	108	3	k	k	PROPN
ajst-18344	108	4	m	m	VERB
ajst-18344	108	5	i	i	VERB
ajst-18344	108	6	x	x	PUNCT
ajst-18344	109	1	e	e	X
ajst-18344	109	2	i	i	PRON
ajst-18344	109	3	k	k	PROPN
ajst-18344	109	4	ye	ye	INTJ
ajst-18344	109	5	m	m	VERB
ajst-18344	109	6	k	k	NOUN
ajst-18344	109	7	i	i	NOUN
ajst-18344	109	8	x	x	PUNCT
ajst-18344	110	1	e	e	X
ajst-18344	110	2	k	k	NOUN
ajst-18344	111	1	i	i	INTJ
ajst-18344	111	2	c	c	VERB
ajst-18344	112	1	c	c	NOUN
ajst-18344	112	2	c	c	NOUN
ajst-18344	112	3	x	x	PUNCT
ajst-18344	113	1	c	c	AUX
ajst-18344	113	2	c	c	NOUN
ajst-18344	113	3	c	c	NOUN
ajst-18344	113	4	e	e	X
ajst-18344	113	5			X
ajst-18344	113	6			X
ajst-18344	113	7			X
ajst-18344	113	8			X
ajst-18344	113	9			X
ajst-18344	113	10			X
ajst-18344	113	11			X
ajst-18344	113	12			X
ajst-18344	113	13			X
ajst-18344	113	14			X
ajst-18344	113	15			X
ajst-18344	113	16			X
ajst-18344	113	17			ADP
ajst-18344	113	18			PROPN
ajst-18344	113	19			PUNCT
ajst-18344	113	20			PUNCT
ajst-18344	113	21			PROPN
ajst-18344	113	22			VERB
ajst-18344	113	23			X
ajst-18344	113	24			NUM
ajst-18344	113	25			NOUN
ajst-18344	113	26			NUM
ajst-18344	113	27			NOUN
ajst-18344	113	28			ADV
ajst-18344	113	29			PUNCT
ajst-18344	113	30			PROPN
ajst-18344	113	31			PUNCT
ajst-18344	113	32			NOUN
ajst-18344	113	33	(	(	PUNCT
ajst-18344	113	34	8)	8)	NUM
ajst-18344	113	35	write	write	VERB
ajst-18344	113	36	the	the	DET
ajst-18344	113	37	above	above	ADJ
ajst-18344	113	38	formula	formula	NOUN
ajst-18344	113	39	in	in	ADP
ajst-18344	113	40	matrix	matrix	NOUN
ajst-18344	113	41	form	form	NOUN
ajst-18344	113	42	and	and	CCONJ
ajst-18344	113	43	eliminate	eliminate	VERB
ajst-18344	113	44	it	it	PRON
ajst-18344	113	45	149	149	NUM
ajst-18344	114	1	i	i	PRON
ajst-18344	114	2	te	te	VERB
ajst-18344	114	3			X
ajst-18344	114	4	to	to	PART
ajst-18344	114	5	get	get	VERB
ajst-18344	114	6	:	:	PUNCT
ajst-18344	114	7	1	1	NUM
ajst-18344	114	8	2	2	NUM
ajst-18344	114	9	1	1	NUM
ajst-18344	114	10	3	3	NUM
ajst-18344	114	11	1	1	NUM
ajst-18344	114	12	2	2	NUM
ajst-18344	114	13	3	3	NUM
ajst-18344	114	14	3	3	NUM
ajst-18344	114	15	33	33	NUM
ajst-18344	114	16	3	3	NUM
ajst-18344	114	17	1	1	NUM
ajst-18344	114	18	1	1	NUM
ajst-18344	114	19	1	1	NUM
ajst-18344	114	20	1	1	NUM
ajst-18344	114	21	1	1	NUM
ajst-18344	114	22	1	1	NUM
ajst-18344	114	23	1	1	NUM
ajst-18344	114	24	(	(	PUNCT
ajst-18344	114	25	)	)	PUNCT
ajst-18344	114	26	[	[	PUNCT
ajst-18344	114	27	)	)	PUNCT
ajst-18344	114	28	(	(	PUNCT
ajst-18344	114	29	]	]	PUNCT
ajst-18344	114	30	(	(	PUNCT
ajst-18344	114	31	)	)	PUNCT
ajst-18344	114	32	(	(	PUNCT
ajst-18344	114	33	)	)	PUNCT
ajst-18344	114	34	0	0	NUM
ajst-18344	114	35	(	(	PUNCT
ajst-18344	114	36	)	)	PUNCT
ajst-18344	114	37	x	x	PROPN
ajst-18344	114	38	cc	cc	NOUN
ajst-18344	115	1	i	i	PRON
ajst-18344	115	2	k	k	PROPN
ajst-18344	115	3	yk	yk	PROPN
ajst-18344	116	1	k	k	PROPN
ajst-18344	116	2	m	m	VERB
ajst-18344	117	1	i	i	PRON
ajst-18344	117	2	k	k	INTJ
ajst-18344	118	1	i	i	PRON
ajst-18344	118	2	c	c	VERB
ajst-18344	119	1	k	k	NOUN
ajst-18344	120	1	i	i	INTJ
ajst-18344	120	2	c	c	NOUN
ajst-18344	120	3	c	c	NOUN
ajst-18344	121	1	k	k	NOUN
ajst-18344	121	2	i	i	PRON
ajst-18344	121	3	cm	cm	X
ajst-18344	121	4	x	x	PUNCT
ajst-18344	121	5			X
ajst-18344	121	6			X
ajst-18344	121	7			X
ajst-18344	121	8			X
ajst-18344	121	9			X
ajst-18344	121	10			X
ajst-18344	121	11			PROPN
ajst-18344	121	12			ADP
ajst-18344	121	13			PROPN
ajst-18344	121	14			PUNCT
ajst-18344	121	15			PROPN
ajst-18344	121	16			ADV
ajst-18344	121	17			PUNCT
ajst-18344	121	18			PROPN
ajst-18344	121	19			ADV
ajst-18344	121	20			PROPN
ajst-18344	121	21			NOUN
ajst-18344	121	22			NOUN
ajst-18344	121	23			NOUN
ajst-18344	121	24			PROPN
ajst-18344	121	25			PROPN
ajst-18344	121	26			NOUN
ajst-18344	121	27			ADV
ajst-18344	121	28			PROPN
ajst-18344	121	29			ADV
ajst-18344	121	30			PUNCT
ajst-18344	121	31			PUNCT
ajst-18344	121	32			NOUN
ajst-18344	121	33			NOUN
ajst-18344	121	34			PROPN
ajst-18344	121	35			PROPN
ajst-18344	121	36			VERB
ajst-18344	121	37			PROPN
ajst-18344	121	38	(	(	PUNCT
ajst-18344	121	39	9	9	NUM
ajst-18344	121	40	)	)	PUNCT
ajst-18344	121	41	according	accord	VERB
ajst-18344	121	42	to	to	ADP
ajst-18344	121	43	kramer	kramer	PROPN
ajst-18344	121	44	's	's	PART
ajst-18344	121	45	law	law	NOUN
ajst-18344	121	46	,	,	PUNCT
ajst-18344	121	47	the	the	DET
ajst-18344	121	48	solution	solution	NOUN
ajst-18344	121	49	to	to	ADP
ajst-18344	121	50	the	the	DET
ajst-18344	121	51	above	above	ADJ
ajst-18344	121	52	equation	equation	NOUN
ajst-18344	121	53	can	can	AUX
ajst-18344	121	54	be	be	AUX
ajst-18344	121	55	obtained	obtain	VERB
ajst-18344	121	56	.	.	PUNCT
ajst-18344	122	1	the	the	DET
ajst-18344	122	2	amplitude	amplitude	NOUN
ajst-18344	122	3	ratio	ratio	NOUN
ajst-18344	122	4	of	of	ADP
ajst-18344	122	5	each	each	DET
ajst-18344	122	6	part	part	NOUN
ajst-18344	122	7	of	of	ADP
ajst-18344	122	8	the	the	DET
ajst-18344	122	9	drilling	drilling	NOUN
ajst-18344	122	10	tool	tool	NOUN
ajst-18344	122	11	is	be	AUX
ajst-18344	122	12	:	:	PUNCT
ajst-18344	122	13	3	3	NUM
ajst-18344	122	14	1	1	NUM
ajst-18344	122	15	3	3	NUM
ajst-18344	122	16	3	3	NUM
ajst-18344	122	17	3	3	NUM
ajst-18344	122	18	3	3	NUM
ajst-18344	122	19	1	1	NUM
ajst-18344	122	20	1	1	NUM
ajst-18344	122	21	2	2	NUM
ajst-18344	122	22	1	1	NUM
ajst-18344	122	23	2	2	NUM
ajst-18344	122	24	3	3	NUM
ajst-18344	122	25	1	1	NUM
ajst-18344	122	26	1	1	NUM
ajst-18344	122	27	2	2	NUM
ajst-18344	122	28	1	1	NUM
ajst-18344	122	29	1	1	NUM
ajst-18344	122	30	1	1	NUM
ajst-18344	122	31	1	1	NUM
ajst-18344	122	32	3	3	NUM
ajst-18344	122	33	3	3	NUM
ajst-18344	122	34	3	3	NUM
ajst-18344	122	35	2	2	NUM
ajst-18344	122	36	2	2	NUM
ajst-18344	122	37	1	1	NUM
ajst-18344	122	38	3	3	NUM
ajst-18344	122	39	1	1	NUM
ajst-18344	122	40	1	1	NUM
ajst-18344	122	41	1	1	NUM
ajst-18344	122	42	2	2	NUM
ajst-18344	122	43	2	2	NUM
ajst-18344	122	44	1	1	NUM
ajst-18344	122	45	3	3	NUM
ajst-18344	122	46	1	1	NUM
ajst-18344	122	47	1	1	NUM
ajst-18344	122	48	1	1	NUM
ajst-18344	122	49	11	11	NUM
ajst-18344	122	50	(	(	PUNCT
ajst-18344	122	51	)	)	PUNCT
ajst-18344	122	52	(	(	PUNCT
ajst-18344	122	53	)	)	PUNCT
ajst-18344	123	1	[	[	PUNCT
ajst-18344	123	2	]	]	X
ajst-18344	123	3	(	(	PUNCT
ajst-18344	123	4	)	)	PUNCT
ajst-18344	123	5	(	(	PUNCT
ajst-18344	123	6	)	)	PUNCT
ajst-18344	123	7	(	(	PUNCT
ajst-18344	123	8	)	)	PUNCT
ajst-18344	123	9	(	(	PUNCT
ajst-18344	123	10	)	)	PUNCT
ajst-18344	123	11	[	[	PUNCT
ajst-18344	123	12	]	]	X
ajst-18344	123	13	(	(	PUNCT
ajst-18344	123	14	(	(	PUNCT
ajst-18344	123	15	)	)	PUNCT
ajst-18344	123	16	(	(	PUNCT
ajst-18344	123	17	(	(	PUNCT
ajst-18344	123	18	)	)	PUNCT
ajst-18344	123	19	)	)	PUNCT
ajst-18344	123	20	)	)	PUNCT
ajst-18344	124	1	x	x	PUNCT
ajst-18344	124	2	m	m	VERB
ajst-18344	124	3	k	k	NOUN
ajst-18344	125	1	i	i	PRON
ajst-18344	125	2	k	k	INTJ
ajst-18344	126	1	i	i	PRON
ajst-18344	126	2	y	y	PROPN
ajst-18344	127	1	k	k	PROPN
ajst-18344	127	2	k	k	PROPN
ajst-18344	128	1	m	m	VERB
ajst-18344	128	2	i	i	VERB
ajst-18344	129	1	k	k	NOUN
ajst-18344	129	2	m	m	VERB
ajst-18344	130	1	i	i	INTJ
ajst-18344	130	2	k	k	INTJ
ajst-18344	131	1	i	i	PRON
ajst-18344	131	2	k	k	INTJ
ajst-18344	132	1	i	i	PRON
ajst-18344	132	2	k	k	PROPN
ajst-18344	133	1	ix	ix	INTJ
ajst-18344	133	2	y	y	PROPN
ajst-18344	133	3	k	k	PROPN
ajst-18344	134	1	k	k	PROPN
ajst-18344	135	1	m	m	VERB
ajst-18344	135	2	c	c	NOUN
ajst-18344	135	3	c	c	NOUN
ajst-18344	135	4	c	c	NOUN
ajst-18344	135	5	c	c	NOUN
ajst-18344	135	6	c	c	NOUN
ajst-18344	135	7	c	c	NOUN
ajst-18344	135	8	c	c	NOUN
ajst-18344	135	9	c	c	X
ajst-18344	135	10	c	c	PROPN
ajst-18344	135	11	kci	kci	PROPN
ajst-18344	135	12	k	k	PROPN
ajst-18344	135	13	m	m	VERB
ajst-18344	135	14	ic	ic	PROPN
ajst-18344	135	15	ci	ci	PROPN
ajst-18344	136	1			X
ajst-18344	136	2			X
ajst-18344	136	3			X
ajst-18344	136	4			X
ajst-18344	136	5			X
ajst-18344	136	6			X
ajst-18344	136	7			X
ajst-18344	136	8			X
ajst-18344	136	9			X
ajst-18344	136	10			X
ajst-18344	136	11			X
ajst-18344	136	12			X
ajst-18344	136	13			X
ajst-18344	136	14			X
ajst-18344	136	15			PROPN
ajst-18344	136	16			PROPN
ajst-18344	136	17			ADV
ajst-18344	136	18			VERB
ajst-18344	136	19			PROPN
ajst-18344	136	20			PROPN
ajst-18344	136	21			ADJ
ajst-18344	136	22			PROPN
ajst-18344	136	23			ADV
ajst-18344	136	24			PUNCT
ajst-18344	136	25			PROPN
ajst-18344	136	26			VERB
ajst-18344	136	27			PROPN
ajst-18344	136	28			ADV
ajst-18344	136	29			VERB
ajst-18344	136	30			PROPN
ajst-18344	136	31			PROPN
ajst-18344	136	32			ADJ
ajst-18344	136	33			PROPN
ajst-18344	136	34			ADV
ajst-18344	136	35			PUNCT
ajst-18344	136	36			PROPN
ajst-18344	136	37			VERB
ajst-18344	136	38			PROPN
ajst-18344	136	39			X
ajst-18344	136	40	(	(	PUNCT
ajst-18344	136	41	10	10	NUM
ajst-18344	136	42	)	)	PUNCT
ajst-18344	136	43	2.3	2.3	NUM
ajst-18344	136	44	.	.	PUNCT
ajst-18344	137	1	structural	structural	ADJ
ajst-18344	137	2	design	design	NOUN
ajst-18344	137	3	of	of	ADP
ajst-18344	137	4	metal	metal	NOUN
ajst-18344	137	5	rubber	rubber	NOUN
ajst-18344	137	6	metal	metal	NOUN
ajst-18344	137	7	rubber	rubber	NOUN
ajst-18344	137	8	plays	play	VERB
ajst-18344	137	9	the	the	DET
ajst-18344	137	10	role	role	NOUN
ajst-18344	137	11	of	of	ADP
ajst-18344	137	12	energy	energy	NOUN
ajst-18344	137	13	absorption	absorption	NOUN
ajst-18344	137	14	and	and	CCONJ
ajst-18344	137	15	vibration	vibration	NOUN
ajst-18344	137	16	damping	damp	VERB
ajst-18344	137	17	in	in	ADP
ajst-18344	137	18	the	the	DET
ajst-18344	137	19	vibration	vibration	NOUN
ajst-18344	137	20	damping	damp	VERB
ajst-18344	137	21	assembly	assembly	NOUN
ajst-18344	137	22	.	.	PUNCT
ajst-18344	138	1	its	its	PRON
ajst-18344	138	2	material	material	NOUN
ajst-18344	138	3	and	and	CCONJ
ajst-18344	138	4	size	size	NOUN
ajst-18344	138	5	selection	selection	NOUN
ajst-18344	138	6	determine	determine	VERB
ajst-18344	138	7	the	the	DET
ajst-18344	138	8	performance	performance	NOUN
ajst-18344	138	9	of	of	ADP
ajst-18344	138	10	the	the	DET
ajst-18344	138	11	vibration	vibration	NOUN
ajst-18344	138	12	damping	damp	VERB
ajst-18344	138	13	structure	structure	NOUN
ajst-18344	138	14	,	,	PUNCT
ajst-18344	138	15	and	and	CCONJ
ajst-18344	138	16	it	it	PRON
ajst-18344	138	17	needs	need	VERB
ajst-18344	138	18	to	to	PART
ajst-18344	138	19	be	be	AUX
ajst-18344	138	20	designed	design	VERB
ajst-18344	138	21	.	.	PUNCT
ajst-18344	139	1	select	select	VERB
ajst-18344	139	2	172	172	NUM
ajst-18344	139	3	mm	mm	NOUN
ajst-18344	139	4	pdm	pdm	PROPN
ajst-18344	139	5	as	as	ADP
ajst-18344	139	6	the	the	DET
ajst-18344	139	7	research	research	NOUN
ajst-18344	139	8	object	object	NOUN
ajst-18344	139	9	.	.	PUNCT
ajst-18344	140	1	the	the	DET
ajst-18344	140	2	mass	mass	NOUN
ajst-18344	140	3	of	of	ADP
ajst-18344	140	4	the	the	DET
ajst-18344	140	5	drilling	drilling	NOUN
ajst-18344	140	6	tool	tool	NOUN
ajst-18344	140	7	ism	ism	NOUN
ajst-18344	140	8	.	.	PUNCT
ajst-18344	141	1	the	the	DET
ajst-18344	141	2	shell	shell	NOUN
ajst-18344	141	3	of	of	ADP
ajst-18344	141	4	the	the	DET
ajst-18344	141	5	drilling	drilling	NOUN
ajst-18344	141	6	tool	tool	NOUN
ajst-18344	141	7	is	be	AUX
ajst-18344	141	8	generally	generally	ADV
ajst-18344	141	9	larger	large	ADJ
ajst-18344	141	10	than	than	ADP
ajst-18344	141	11	the	the	DET
ajst-18344	141	12	shaft	shaft	NOUN
ajst-18344	141	13	system	system	NOUN
ajst-18344	141	14	.	.	PUNCT
ajst-18344	142	1	the	the	DET
ajst-18344	142	2	mass	mass	NOUN
ajst-18344	142	3	of	of	ADP
ajst-18344	142	4	the	the	DET
ajst-18344	142	5	drilling	drilling	NOUN
ajst-18344	142	6	tool	tool	NOUN
ajst-18344	142	7	shell	shell	NOUN
ajst-18344	142	8	is	be	AUX
ajst-18344	142	9	0.7	0.7	NUM
ajst-18344	142	10	m	m	NOUN
ajst-18344	142	11	and	and	CCONJ
ajst-18344	142	12	the	the	DET
ajst-18344	142	13	mass	mass	NOUN
ajst-18344	142	14	of	of	ADP
ajst-18344	142	15	the	the	DET
ajst-18344	142	16	shaft	shaft	NOUN
ajst-18344	142	17	system	system	NOUN
ajst-18344	142	18	is	be	AUX
ajst-18344	142	19	0.3	0.3	NUM
ajst-18344	142	20	m.	m.	NOUN
ajst-18344	142	21	the	the	DET
ajst-18344	142	22	rayleigh	rayleigh	PROPN
ajst-18344	142	23	model	model	NOUN
ajst-18344	142	24	is	be	AUX
ajst-18344	142	25	selected	select	VERB
ajst-18344	142	26	.	.	PUNCT
ajst-18344	143	1	express	express	VERB
ajst-18344	143	2	the	the	DET
ajst-18344	143	3	equivalent	equivalent	ADJ
ajst-18344	143	4	stiffness	stiffness	NOUN
ajst-18344	143	5	and	and	CCONJ
ajst-18344	143	6	damping	damp	VERB
ajst-18344	143	7	to	to	PART
ajst-18344	143	8	construct	construct	VERB
ajst-18344	143	9	a	a	DET
ajst-18344	143	10	theoretical	theoretical	ADJ
ajst-18344	143	11	model	model	NOUN
ajst-18344	143	12	of	of	ADP
ajst-18344	143	13	the	the	DET
ajst-18344	143	14	bushing	bushing	NOUN
ajst-18344	143	15	.	.	PUNCT
ajst-18344	144	1	the	the	DET
ajst-18344	144	2	specific	specific	ADJ
ajst-18344	144	3	calculation	calculation	NOUN
ajst-18344	144	4	formula	formula	NOUN
ajst-18344	144	5	is	be	AUX
ajst-18344	144	6	:	:	PUNCT
ajst-18344	144	7	2	2	NUM
ajst-18344	144	8	2	2	NUM
ajst-18344	144	9	(	(	PUNCT
ajst-18344	144	10	)	)	PUNCT
ajst-18344	144	11	k	k	PROPN
ajst-18344	145	1	4	4	NUM
ajst-18344	145	2	e	e	NOUN
ajst-18344	145	3	d	d	PROPN
ajst-18344	145	4	d	d	PROPN
ajst-18344	145	5	l	l	PRON
ajst-18344	145	6			NOUN
ajst-18344	145	7			NUM
ajst-18344	145	8	(	(	PUNCT
ajst-18344	145	9	11	11	NUM
ajst-18344	145	10	)	)	PUNCT
ajst-18344	145	11	ec	ec	PROPN
ajst-18344	145	12	m	m	PROPN
ajst-18344	145	13	k	k	PROPN
ajst-18344	145	14			VERB
ajst-18344	145	15			X
ajst-18344	145	16	(	(	PUNCT
ajst-18344	145	17	12	12	NUM
ajst-18344	145	18	)	)	PUNCT
ajst-18344	145	19	in	in	ADP
ajst-18344	145	20	the	the	DET
ajst-18344	145	21	above	above	ADJ
ajst-18344	145	22	formula	formula	NOUN
ajst-18344	145	23	,	,	PUNCT
ajst-18344	145	24	k	k	X
ajst-18344	145	25	is	be	AUX
ajst-18344	145	26	the	the	DET
ajst-18344	145	27	stiffness	stiffness	ADJ
ajst-18344	145	28	coefficient	coefficient	NOUN
ajst-18344	145	29	;	;	PUNCT
ajst-18344	145	30	the	the	DET
ajst-18344	145	31	elastic	elastic	ADJ
ajst-18344	145	32	modulus	modulus	NOUN
ajst-18344	145	33	e	e	NOUN
ajst-18344	145	34	of	of	ADP
ajst-18344	145	35	nitrile	nitrile	ADJ
ajst-18344	145	36	rubber	rubber	NOUN
ajst-18344	145	37	is	be	AUX
ajst-18344	145	38	2gpa	2gpa	NOUN
ajst-18344	145	39	;	;	PUNCT
ajst-18344	145	40	the	the	DET
ajst-18344	145	41	outer	outer	ADJ
ajst-18344	145	42	diameter	diameter	NOUN
ajst-18344	145	43	of	of	ADP
ajst-18344	145	44	the	the	DET
ajst-18344	145	45	bushing	bushing	NOUN
ajst-18344	145	46	is	be	AUX
ajst-18344	145	47	1.50	1.50	NUM
ajst-18344	145	48	mm	mm	NOUN
ajst-18344	145	49	;	;	PUNCT
ajst-18344	145	50	the	the	DET
ajst-18344	145	51	inner	inner	ADJ
ajst-18344	145	52	diameter	diameter	NOUN
ajst-18344	145	53	d	d	PROPN
ajst-18344	145	54	of	of	ADP
ajst-18344	145	55	the	the	DET
ajst-18344	145	56	bushing	bushing	NOUN
ajst-18344	145	57	is	be	AUX
ajst-18344	145	58	1.20	1.20	NUM
ajst-18344	145	59	mm	mm	NOUN
ajst-18344	145	60	;	;	PUNCT
ajst-18344	145	61	the	the	DET
ajst-18344	145	62	length	length	NOUN
ajst-18344	145	63	of	of	ADP
ajst-18344	145	64	the	the	DET
ajst-18344	145	65	bushing	bush	VERB
ajst-18344	145	66	l	l	NOUN
ajst-18344	145	67	is	be	AUX
ajst-18344	145	68	2	2	NUM
ajst-18344	145	69	m	m	NOUN
ajst-18344	145	70	;	;	PUNCT
ajst-18344	145	71	m	m	VERB
ajst-18344	145	72	e	e	NOUN
ajst-18344	145	73	is	be	AUX
ajst-18344	145	74	the	the	DET
ajst-18344	145	75	mass	mass	NOUN
ajst-18344	145	76	of	of	ADP
ajst-18344	145	77	the	the	DET
ajst-18344	145	78	bushing	bushing	NOUN
ajst-18344	145	79	is	be	AUX
ajst-18344	145	80	15	15	NUM
ajst-18344	145	81	kg	kg	NOUN
ajst-18344	145	82	;	;	PUNCT
ajst-18344	145	83	α	α	PROPN
ajst-18344	145	84	and	and	CCONJ
ajst-18344	145	85	β	β	X
ajst-18344	145	86	are	be	AUX
ajst-18344	145	87	proportional	proportional	ADJ
ajst-18344	145	88	coefficients	coefficient	NOUN
ajst-18344	145	89	.	.	PUNCT
ajst-18344	146	1	based	base	VERB
ajst-18344	146	2	on	on	ADP
ajst-18344	146	3	relevant	relevant	ADJ
ajst-18344	146	4	literature	literature	NOUN
ajst-18344	146	5	,	,	PUNCT
ajst-18344	146	6	the	the	DET
ajst-18344	146	7	proportional	proportional	ADJ
ajst-18344	146	8	coefficients	coefficient	NOUN
ajst-18344	146	9	α	α	PROPN
ajst-18344	146	10	and	and	CCONJ
ajst-18344	146	11	β	β	X
ajst-18344	146	12	are	be	AUX
ajst-18344	146	13	selected	select	VERB
ajst-18344	146	14	to	to	PART
ajst-18344	146	15	be	be	AUX
ajst-18344	146	16	0.1	0.1	NUM
ajst-18344	146	17	and	and	CCONJ
ajst-18344	146	18	0.001	0.001	NUM
ajst-18344	146	19	respectively	respectively	ADV
ajst-18344	146	20	.	.	PUNCT
ajst-18344	147	1	according	accord	VERB
ajst-18344	147	2	to	to	ADP
ajst-18344	147	3	the	the	DET
ajst-18344	147	4	actual	actual	ADJ
ajst-18344	147	5	working	work	VERB
ajst-18344	147	6	conditions	condition	NOUN
ajst-18344	147	7	of	of	ADP
ajst-18344	147	8	pdm	pdm	PROPN
ajst-18344	147	9	,	,	PUNCT
ajst-18344	147	10	the	the	DET
ajst-18344	147	11	relevant	relevant	ADJ
ajst-18344	147	12	parameters	parameter	NOUN
ajst-18344	147	13	of	of	ADP
ajst-18344	147	14	the	the	DET
ajst-18344	147	15	drilling	drilling	NOUN
ajst-18344	147	16	tool	tool	NOUN
ajst-18344	147	17	are	be	AUX
ajst-18344	147	18	obtained	obtain	VERB
ajst-18344	147	19	in	in	ADP
ajst-18344	147	20	the	the	DET
ajst-18344	147	21	following	follow	VERB
ajst-18344	147	22	table	table	NOUN
ajst-18344	147	23	1	1	NUM
ajst-18344	147	24	.	.	PUNCT
ajst-18344	147	25	table	table	NOUN
ajst-18344	147	26	1	1	NUM
ajst-18344	147	27	.	.	PUNCT
ajst-18344	147	28	pdm	pdm	NOUN
ajst-18344	147	29	calculation	calculation	NOUN
ajst-18344	147	30	parameters	parameter	NOUN
ajst-18344	147	31	performance	performance	NOUN
ajst-18344	147	32	parameters	parameter	NOUN
ajst-18344	147	33	value	value	VERB
ajst-18344	147	34	pdm	pdm	PROPN
ajst-18344	147	35	size/(mm	size/(mm	NOUN
ajst-18344	147	36	)	)	PUNCT
ajst-18344	147	37	172	172	NUM
ajst-18344	147	38	overall	overall	ADJ
ajst-18344	147	39	length/(m	length/(m	PROPN
ajst-18344	147	40	)	)	PUNCT
ajst-18344	147	41	7.98	7.98	NUM
ajst-18344	147	42	weight/(kg	weight/(kg	NOUN
ajst-18344	147	43	)	)	PUNCT
ajst-18344	147	44	992	992	NUM
ajst-18344	147	45	wob/(kn	wob/(kn	PROPN
ajst-18344	147	46	)	)	PUNCT
ajst-18344	147	47	90	90	NUM
ajst-18344	147	48	speed/(rpm	speed/(rpm	ADJ
ajst-18344	147	49	)	)	PUNCT
ajst-18344	147	50	90	90	NUM
ajst-18344	147	51	-	-	SYM
ajst-18344	147	52	172	172	NUM
ajst-18344	147	53	k/(n	k/(n	NOUN
ajst-18344	147	54	/	/	SYM
ajst-18344	147	55	m	m	NOUN
ajst-18344	147	56	)	)	PUNCT
ajst-18344	147	57	2.025×106	2.025×106	NUM
ajst-18344	147	58	c/(n·s	c/(n·	NOUN
ajst-18344	147	59	/	/	SYM
ajst-18344	147	60	m	m	NOUN
ajst-18344	147	61	)	)	PUNCT
ajst-18344	147	62	2025	2025	NUM
ajst-18344	147	63	to	to	PART
ajst-18344	147	64	design	design	VERB
ajst-18344	147	65	the	the	DET
ajst-18344	147	66	size	size	NOUN
ajst-18344	147	67	of	of	ADP
ajst-18344	147	68	metal	metal	NOUN
ajst-18344	147	69	rubber	rubber	NOUN
ajst-18344	147	70	,	,	PUNCT
ajst-18344	147	71	there	there	PRON
ajst-18344	147	72	are	be	VERB
ajst-18344	147	73	three	three	NUM
ajst-18344	147	74	static	static	ADJ
ajst-18344	147	75	stiffness	stiffness	NOUN
ajst-18344	147	76	models	model	NOUN
ajst-18344	147	77	of	of	ADP
ajst-18344	147	78	metal	metal	NOUN
ajst-18344	147	79	rubber	rubber	NOUN
ajst-18344	147	80	:	:	PUNCT
ajst-18344	147	81	small	small	ADJ
ajst-18344	147	82	curved	curved	ADJ
ajst-18344	147	83	beam	beam	NOUN
ajst-18344	147	84	model	model	NOUN
ajst-18344	147	85	,	,	PUNCT
ajst-18344	147	86	porous	porous	ADJ
ajst-18344	147	87	material	material	NOUN
ajst-18344	147	88	model	model	NOUN
ajst-18344	147	89	,	,	PUNCT
ajst-18344	147	90	and	and	CCONJ
ajst-18344	147	91	micro	micro	ADJ
ajst-18344	147	92	-	-	NOUN
ajst-18344	147	93	element	element	ADJ
ajst-18344	147	94	spring	spring	NOUN
ajst-18344	147	95	model	model	NOUN
ajst-18344	147	96	.	.	PUNCT
ajst-18344	148	1	use	use	VERB
ajst-18344	148	2	the	the	DET
ajst-18344	148	3	micro	micro	NOUN
ajst-18344	148	4	-	-	NOUN
ajst-18344	148	5	element	element	ADJ
ajst-18344	148	6	spring	spring	NOUN
ajst-18344	148	7	model	model	NOUN
ajst-18344	148	8	with	with	ADP
ajst-18344	148	9	higher	high	ADJ
ajst-18344	148	10	accuracy	accuracy	NOUN
ajst-18344	148	11	for	for	ADP
ajst-18344	148	12	calculation	calculation	NOUN
ajst-18344	148	13	.	.	PUNCT
ajst-18344	149	1	the	the	DET
ajst-18344	149	2	metal	metal	NOUN
ajst-18344	149	3	rubber	rubber	NOUN
ajst-18344	149	4	load	load	NOUN
ajst-18344	149	5	-	-	PUNCT
ajst-18344	149	6	displacement	displacement	ADJ
ajst-18344	149	7	formula	formula	NOUN
ajst-18344	149	8	is	be	AUX
ajst-18344	149	9	as	as	ADP
ajst-18344	149	10	follows[12	follows[12	NOUN
ajst-18344	149	11	]	]	PUNCT
ajst-18344	149	12	:	:	PUNCT
ajst-18344	149	13	10	10	NUM
ajst-18344	149	14	10	10	NUM
ajst-18344	149	15	2	2	NUM
ajst-18344	149	16	103	103	NUM
ajst-18344	149	17	33	33	NUM
ajst-18344	149	18	3f	3f	PROPN
ajst-18344	149	19	0.54	0.54	NUM
ajst-18344	149	20	(	(	PUNCT
ajst-18344	149	21	)	)	PUNCT
ajst-18344	149	22	0.26	0.26	NUM
ajst-18344	149	23	(	(	PUNCT
ajst-18344	149	24	)	)	PUNCT
ajst-18344	149	25	0.1	0.1	NUM
ajst-18344	149	26	(	(	PUNCT
ajst-18344	149	27	)	)	PUNCT
ajst-18344	150	1	d	d	PUNCT
ajst-18344	151	1	d	d	PUNCT
ajst-18344	151	2	d	d	X
ajst-18344	151	3	d	d	PROPN
ajst-18344	151	4	d	d	PROPN
ajst-18344	151	5	d	d	X
ajst-18344	151	6	g	g	NOUN
ajst-18344	151	7	sh	sh	INTJ
ajst-18344	151	8	x	x	SYM
ajst-18344	151	9	sh	sh	INTJ
ajst-18344	151	10	x	x	SYM
ajst-18344	151	11	sh	sh	PROPN
ajst-18344	151	12	x	x	NOUN
ajst-18344	151	13			ADP
ajst-18344	151	14			VERB
ajst-18344	151	15			PROPN
ajst-18344	151	16			ADV
ajst-18344	151	17			NUM
ajst-18344	151	18			NUM
ajst-18344	151	19	(	(	PUNCT
ajst-18344	151	20	13	13	NUM
ajst-18344	151	21	)	)	PUNCT
ajst-18344	151	22	d	d	NOUN
ajst-18344	151	23	is	be	AUX
ajst-18344	151	24	the	the	DET
ajst-18344	151	25	wire	wire	NOUN
ajst-18344	151	26	diameter	diameter	NOUN
ajst-18344	151	27	;	;	PUNCT
ajst-18344	151	28	d	d	X
ajst-18344	151	29	is	be	AUX
ajst-18344	151	30	the	the	DET
ajst-18344	151	31	middle	middle	ADJ
ajst-18344	151	32	diameter	diameter	NOUN
ajst-18344	151	33	of	of	ADP
ajst-18344	151	34	the	the	DET
ajst-18344	151	35	spring	spring	NOUN
ajst-18344	151	36	;	;	PUNCT
ajst-18344	151	37			NOUN
ajst-18344	151	38	is	be	AUX
ajst-18344	151	39	the	the	DET
ajst-18344	151	40	relative	relative	ADJ
ajst-18344	151	41	density	density	NOUN
ajst-18344	151	42	;	;	PUNCT
ajst-18344	151	43	s	s	VERB
ajst-18344	151	44	is	be	AUX
ajst-18344	151	45	the	the	DET
ajst-18344	151	46	bearing	bear	VERB
ajst-18344	151	47	area	area	NOUN
ajst-18344	151	48	of	of	ADP
ajst-18344	151	49	the	the	DET
ajst-18344	151	50	metal	metal	NOUN
ajst-18344	151	51	rubber	rubber	NOUN
ajst-18344	151	52	;	;	PUNCT
ajst-18344	151	53	h	h	NOUN
ajst-18344	151	54	is	be	AUX
ajst-18344	151	55	the	the	DET
ajst-18344	151	56	height	height	NOUN
ajst-18344	151	57	of	of	ADP
ajst-18344	151	58	the	the	DET
ajst-18344	151	59	metal	metal	NOUN
ajst-18344	151	60	rubber	rubber	NOUN
ajst-18344	151	61	;	;	PUNCT
ajst-18344	151	62	g	g	PROPN
ajst-18344	151	63	is	be	AUX
ajst-18344	151	64	the	the	DET
ajst-18344	151	65	shear	shear	NOUN
ajst-18344	151	66	modulus	modulus	NOUN
ajst-18344	151	67	.	.	PUNCT
ajst-18344	152	1	according	accord	VERB
ajst-18344	152	2	to	to	ADP
ajst-18344	152	3	the	the	DET
ajst-18344	152	4	structural	structural	ADJ
ajst-18344	152	5	dimensions	dimension	NOUN
ajst-18344	152	6	of	of	ADP
ajst-18344	152	7	the	the	DET
ajst-18344	152	8	172	172	NUM
ajst-18344	152	9	mm	mm	NOUN
ajst-18344	152	10	pdm	pdm	PROPN
ajst-18344	152	11	,	,	PUNCT
ajst-18344	152	12	the	the	DET
ajst-18344	152	13	total	total	ADJ
ajst-18344	152	14	mass	mass	NOUN
ajst-18344	152	15	of	of	ADP
ajst-18344	152	16	the	the	DET
ajst-18344	152	17	designed	design	VERB
ajst-18344	152	18	vibration	vibration	NOUN
ajst-18344	152	19	-	-	PUNCT
ajst-18344	152	20	absorbing	absorb	VERB
ajst-18344	152	21	structure	structure	NOUN
ajst-18344	152	22	is	be	AUX
ajst-18344	152	23	100	100	NUM
ajst-18344	152	24	kg	kg	NOUN
ajst-18344	152	25	,	,	PUNCT
ajst-18344	152	26	and	and	CCONJ
ajst-18344	152	27	the	the	DET
ajst-18344	152	28	size	size	NOUN
ajst-18344	152	29	of	of	ADP
ajst-18344	152	30	the	the	DET
ajst-18344	152	31	metal	metal	NOUN
ajst-18344	152	32	rubber	rubber	NOUN
ajst-18344	152	33	pad	pad	NOUN
ajst-18344	152	34	is	be	AUX
ajst-18344	152	35	ϕ	ϕ	PROPN
ajst-18344	152	36	155	155	NUM
ajst-18344	152	37	mm	mm	NOUN
ajst-18344	152	38	×	×	NOUN
ajst-18344	152	39	ϕ	ϕ	PROPN
ajst-18344	152	40	135	135	NUM
ajst-18344	152	41	mm	mm	NOUN
ajst-18344	152	42	×	×	NOUN
ajst-18344	152	43	10	10	NUM
ajst-18344	152	44	mm	mm	NOUN
ajst-18344	152	45	.	.	PUNCT
ajst-18344	153	1	considering	consider	VERB
ajst-18344	153	2	that	that	SCONJ
ajst-18344	153	3	the	the	DET
ajst-18344	153	4	center	center	NOUN
ajst-18344	153	5	of	of	ADP
ajst-18344	153	6	the	the	DET
ajst-18344	153	7	vibrationabsorbing	vibrationabsorbe	VERB
ajst-18344	153	8	structure	structure	NOUN
ajst-18344	153	9	is	be	AUX
ajst-18344	153	10	the	the	DET
ajst-18344	153	11	connecting	connect	VERB
ajst-18344	153	12	shaft	shaft	NOUN
ajst-18344	153	13	,	,	PUNCT
ajst-18344	153	14	the	the	DET
ajst-18344	153	15	shape	shape	NOUN
ajst-18344	153	16	of	of	ADP
ajst-18344	153	17	the	the	DET
ajst-18344	153	18	metal	metal	NOUN
ajst-18344	153	19	rubber	rubber	NOUN
ajst-18344	153	20	is	be	AUX
ajst-18344	153	21	selected	select	VERB
ajst-18344	153	22	ring	ring	NOUN
ajst-18344	153	23	shape	shape	NOUN
ajst-18344	153	24	,	,	PUNCT
ajst-18344	153	25	material	material	NOUN
ajst-18344	153	26	selection	selection	NOUN
ajst-18344	153	27	:	:	PUNCT
ajst-18344	153	28	cr18ni9ti	cr18ni9ti	NOUN
ajst-18344	153	29	austenitic	austenitic	ADJ
ajst-18344	153	30	stainless	stainless	ADJ
ajst-18344	153	31	steel	steel	NOUN
ajst-18344	153	32	wire	wire	NOUN
ajst-18344	153	33	,	,	PUNCT
ajst-18344	153	34	shear	shear	ADJ
ajst-18344	153	35	modulus	modulus	ADJ
ajst-18344	153	36	g=71gpa	g=71gpa	NOUN
ajst-18344	153	37	,	,	PUNCT
ajst-18344	153	38	d	d	PROPN
ajst-18344	153	39	=	=	SYM
ajst-18344	153	40	0.1mm	0.1mm	PROPN
ajst-18344	153	41	,	,	PUNCT
ajst-18344	154	1	d	d	X
ajst-18344	154	2	=	=	PUNCT
ajst-18344	154	3	7	7	NUM
ajst-18344	154	4	mm	mm	NOUN
ajst-18344	154	5	,	,	PUNCT
ajst-18344	154	6			ADP
ajst-18344	154	7	=	=	PROPN
ajst-18344	154	8	0.15,s=4555.3mm2	0.15,s=4555.3mm2	PROPN
ajst-18344	154	9	,	,	PUNCT
ajst-18344	154	10	h=10	h=10	PRON
ajst-18344	154	11	mm	mm	INTJ
ajst-18344	154	12	.	.	PUNCT
ajst-18344	155	1	by	by	ADP
ajst-18344	155	2	bringing	bring	VERB
ajst-18344	155	3	in	in	ADP
ajst-18344	155	4	the	the	DET
ajst-18344	155	5	above	above	ADJ
ajst-18344	155	6	parameters	parameter	NOUN
ajst-18344	155	7	,	,	PUNCT
ajst-18344	155	8	the	the	DET
ajst-18344	155	9	stiffness	stiffness	ADJ
ajst-18344	155	10	displacement	displacement	ADJ
ajst-18344	155	11	curve	curve	NOUN
ajst-18344	155	12	of	of	ADP
ajst-18344	155	13	metal	metal	NOUN
ajst-18344	155	14	rubber	rubber	NOUN
ajst-18344	155	15	can	can	AUX
ajst-18344	155	16	be	be	AUX
ajst-18344	155	17	obtained	obtain	VERB
ajst-18344	155	18	as	as	SCONJ
ajst-18344	155	19	shown	show	VERB
ajst-18344	155	20	in	in	ADP
ajst-18344	155	21	figure	figure	NOUN
ajst-18344	155	22	6	6	NUM
ajst-18344	155	23	.	.	PUNCT
ajst-18344	156	1	figure	figure	VERB
ajst-18344	156	2	6	6	NUM
ajst-18344	156	3	.	.	PUNCT
ajst-18344	156	4	metal	metal	NOUN
ajst-18344	156	5	rubber	rubber	NOUN
ajst-18344	156	6	stiffness	stiffness	NOUN
ajst-18344	156	7	-	-	PUNCT
ajst-18344	156	8	displacement	displacement	NOUN
ajst-18344	156	9	curve	curve	NOUN
ajst-18344	156	10	after	after	ADP
ajst-18344	156	11	deriving	derive	VERB
ajst-18344	156	12	the	the	DET
ajst-18344	156	13	formula(13	formula(13	ADJ
ajst-18344	156	14	)	)	PUNCT
ajst-18344	156	15	,	,	PUNCT
ajst-18344	156	16	the	the	DET
ajst-18344	156	17	metal	metal	NOUN
ajst-18344	156	18	rubber	rubber	NOUN
ajst-18344	156	19	stiffness	stiffness	NOUN
ajst-18344	156	20	change	change	NOUN
ajst-18344	156	21	curve	curve	NOUN
ajst-18344	156	22	is	be	AUX
ajst-18344	156	23	obtained	obtain	VERB
ajst-18344	156	24	.	.	PUNCT
ajst-18344	157	1	it	it	PRON
ajst-18344	157	2	is	be	AUX
ajst-18344	157	3	generally	generally	ADV
ajst-18344	157	4	believed	believe	VERB
ajst-18344	157	5	that	that	SCONJ
ajst-18344	157	6	the	the	DET
ajst-18344	157	7	ultimate	ultimate	ADJ
ajst-18344	157	8	compression	compression	NOUN
ajst-18344	157	9	amount	amount	NOUN
ajst-18344	157	10	of	of	ADP
ajst-18344	157	11	metal	metal	NOUN
ajst-18344	157	12	rubber	rubber	NOUN
ajst-18344	157	13	is	be	AUX
ajst-18344	157	14	30	30	NUM
ajst-18344	157	15	%	%	NOUN
ajst-18344	157	16	~60	~60	X
ajst-18344	157	17	%	%	NOUN
ajst-18344	157	18	,	,	PUNCT
ajst-18344	157	19	that	that	ADV
ajst-18344	157	20	is	is	ADV
ajst-18344	157	21	,	,	PUNCT
ajst-18344	157	22	the	the	DET
ajst-18344	157	23	compression	compression	NOUN
ajst-18344	157	24	amount	amount	NOUN
ajst-18344	157	25	is	be	AUX
ajst-18344	157	26	between	between	ADP
ajst-18344	157	27	3	3	NUM
ajst-18344	157	28	-	-	SYM
ajst-18344	157	29	6	6	NUM
ajst-18344	157	30	mm	mm	NOUN
ajst-18344	157	31	.	.	PUNCT
ajst-18344	158	1	within	within	ADP
ajst-18344	158	2	this	this	DET
ajst-18344	158	3	range	range	NOUN
ajst-18344	158	4	,	,	PUNCT
ajst-18344	158	5	the	the	DET
ajst-18344	158	6	stiffness	stiffness	NOUN
ajst-18344	158	7	of	of	ADP
ajst-18344	158	8	metal	metal	NOUN
ajst-18344	158	9	rubber	rubber	NOUN
ajst-18344	158	10	meets	meet	VERB
ajst-18344	158	11	the	the	DET
ajst-18344	158	12	design	design	NOUN
ajst-18344	158	13	requirements	requirement	NOUN
ajst-18344	158	14	,	,	PUNCT
ajst-18344	158	15	and	and	CCONJ
ajst-18344	158	16	the	the	DET
ajst-18344	158	17	floating	float	VERB
ajst-18344	158	18	range	range	NOUN
ajst-18344	158	19	is	be	AUX
ajst-18344	158	20	small	small	ADJ
ajst-18344	158	21	,	,	PUNCT
ajst-18344	158	22	which	which	PRON
ajst-18344	158	23	can	can	AUX
ajst-18344	158	24	be	be	AUX
ajst-18344	158	25	approximately	approximately	ADV
ajst-18344	158	26	regarded	regard	VERB
ajst-18344	158	27	as	as	ADP
ajst-18344	158	28	a	a	DET
ajst-18344	158	29	fixed	fix	VERB
ajst-18344	158	30	value	value	NOUN
ajst-18344	158	31	.	.	PUNCT
ajst-18344	159	1	value	value	NOUN
ajst-18344	159	2	.	.	PUNCT
ajst-18344	160	1	there	there	PRON
ajst-18344	160	2	is	be	VERB
ajst-18344	160	3	currently	currently	ADV
ajst-18344	160	4	no	no	DET
ajst-18344	160	5	specific	specific	ADJ
ajst-18344	160	6	mathematical	mathematical	ADJ
ajst-18344	160	7	model	model	NOUN
ajst-18344	160	8	for	for	ADP
ajst-18344	160	9	nonlinear	nonlinear	ADJ
ajst-18344	160	10	damping	damping	NOUN
ajst-18344	160	11	,	,	PUNCT
ajst-18344	160	12	which	which	PRON
ajst-18344	160	13	is	be	AUX
ajst-18344	160	14	usually	usually	ADV
ajst-18344	160	15	based	base	VERB
ajst-18344	160	16	on	on	ADP
ajst-18344	160	17	the	the	DET
ajst-18344	160	18	use	use	NOUN
ajst-18344	160	19	of	of	ADP
ajst-18344	160	20	the	the	DET
ajst-18344	160	21	rayleigh	rayleigh	PROPN
ajst-18344	160	22	model	model	NOUN
ajst-18344	160	23	to	to	PART
ajst-18344	160	24	represent	represent	VERB
ajst-18344	160	25	metal	metal	NOUN
ajst-18344	160	26	-	-	PUNCT
ajst-18344	160	27	rubber	rubber	NOUN
ajst-18344	160	28	damping	damping	NOUN
ajst-18344	160	29	,	,	PUNCT
ajst-18344	160	30	with	with	ADP
ajst-18344	160	31	a	a	DET
ajst-18344	160	32	size	size	NOUN
ajst-18344	160	33	of	of	ADP
ajst-18344	160	34	0.01	0.01	NUM
ajst-18344	160	35	of	of	ADP
ajst-18344	160	36	the	the	DET
ajst-18344	160	37	stiffness	stiffness	NOUN
ajst-18344	160	38	k.	k.	PROPN
ajst-18344	160	39	perform	perform	VERB
ajst-18344	160	40	data	datum	NOUN
ajst-18344	160	41	processing	processing	NOUN
ajst-18344	160	42	on	on	ADP
ajst-18344	160	43	the	the	DET
ajst-18344	160	44	stiffness	stiffness	NOUN
ajst-18344	160	45	within	within	ADP
ajst-18344	160	46	the	the	DET
ajst-18344	160	47	compression	compression	NOUN
ajst-18344	160	48	range	range	NOUN
ajst-18344	160	49	,	,	PUNCT
ajst-18344	160	50	and	and	CCONJ
ajst-18344	160	51	obtain	obtain	VERB
ajst-18344	160	52	the	the	DET
ajst-18344	160	53	average	average	ADJ
ajst-18344	160	54	value	value	NOUN
ajst-18344	160	55	as	as	ADP
ajst-18344	160	56	the	the	DET
ajst-18344	160	57	design	design	NOUN
ajst-18344	160	58	stiffness	stiffness	NOUN
ajst-18344	160	59	and	and	CCONJ
ajst-18344	160	60	damping	damp	VERB
ajst-18344	160	61	of	of	ADP
ajst-18344	160	62	the	the	DET
ajst-18344	160	63	metal	metal	NOUN
ajst-18344	160	64	rubber	rubber	NOUN
ajst-18344	160	65	.	.	PUNCT
ajst-18344	161	1	the	the	DET
ajst-18344	161	2	calculation	calculation	NOUN
ajst-18344	161	3	results	result	NOUN
ajst-18344	161	4	are	be	AUX
ajst-18344	161	5	that	that	SCONJ
ajst-18344	161	6	the	the	DET
ajst-18344	161	7	stiffness	stiffness	NOUN
ajst-18344	161	8	k3	k3	VERB
ajst-18344	161	9	is	be	AUX
ajst-18344	161	10	5×10	5×10	NUM
ajst-18344	161	11	^	^	NOUN
ajst-18344	161	12	2kn/	2kn/	NUM
ajst-18344	161	13	m	m	NOUN
ajst-18344	161	14	,	,	PUNCT
ajst-18344	161	15	and	and	CCONJ
ajst-18344	161	16	the	the	DET
ajst-18344	161	17	damping	damp	VERB
ajst-18344	161	18	c3	c3	PROPN
ajst-18344	161	19	is	be	AUX
ajst-18344	161	20	5.2962×10	5.2962×10	PROPN
ajst-18344	161	21	^	^	SYM
ajst-18344	161	22	3n·s	3n·s	NUM
ajst-18344	161	23	m	m	NOUN
ajst-18344	161	24	,	,	PUNCT
ajst-18344	161	25	the	the	DET
ajst-18344	161	26	damping	damp	VERB
ajst-18344	161	27	ratio	ratio	NOUN
ajst-18344	161	28	is	be	AUX
ajst-18344	161	29	about	about	ADV
ajst-18344	161	30	0.37	0.37	NUM
ajst-18344	161	31	.	.	PUNCT
ajst-18344	162	1	from	from	ADP
ajst-18344	162	2	the	the	DET
ajst-18344	162	3	formula	formula	NOUN
ajst-18344	162	4	(	(	PUNCT
ajst-18344	162	5	6	6	NUM
ajst-18344	162	6	)	)	PUNCT
ajst-18344	162	7	,	,	PUNCT
ajst-18344	162	8	(	(	PUNCT
ajst-18344	162	9	10)the	10)the	NUM
ajst-18344	162	10	amplitudefrequency	amplitudefrequency	NOUN
ajst-18344	162	11	response	response	NOUN
ajst-18344	162	12	diagrams	diagram	NOUN
ajst-18344	162	13	of	of	ADP
ajst-18344	162	14	different	different	ADJ
ajst-18344	162	15	damping	damp	VERB
ajst-18344	162	16	ratios	ratio	NOUN
ajst-18344	162	17	can	can	AUX
ajst-18344	162	18	be	be	AUX
ajst-18344	162	19	obtained	obtain	VERB
ajst-18344	162	20	as	as	SCONJ
ajst-18344	162	21	shown	show	VERB
ajst-18344	162	22	in	in	ADP
ajst-18344	162	23	figure	figure	NOUN
ajst-18344	162	24	7	7	NUM
ajst-18344	162	25	.	.	PUNCT
ajst-18344	163	1	[	[	X
ajst-18344	163	2	12	12	NUM
ajst-18344	163	3	]	]	SYM
ajst-18344	163	4	150	150	NUM
ajst-18344	163	5	figure	figure	NOUN
ajst-18344	163	6	7	7	NUM
ajst-18344	163	7	.	.	PUNCT
ajst-18344	163	8	amplitude	amplitude	NOUN
ajst-18344	163	9	-	-	PUNCT
ajst-18344	163	10	frequency	frequency	NOUN
ajst-18344	163	11	response	response	NOUN
ajst-18344	163	12	curves	curve	NOUN
ajst-18344	163	13	of	of	ADP
ajst-18344	163	14	vibration	vibration	NOUN
ajst-18344	163	15	-	-	PUNCT
ajst-18344	163	16	damping	damp	VERB
ajst-18344	163	17	drilling	drilling	NOUN
ajst-18344	163	18	tools	tool	NOUN
ajst-18344	163	19	and	and	CCONJ
ajst-18344	163	20	ordinary	ordinary	ADJ
ajst-18344	163	21	drilling	drilling	NOUN
ajst-18344	163	22	tools	tool	NOUN
ajst-18344	163	23	it	it	PRON
ajst-18344	163	24	can	can	AUX
ajst-18344	163	25	be	be	AUX
ajst-18344	163	26	seen	see	VERB
ajst-18344	163	27	from	from	ADP
ajst-18344	163	28	the	the	DET
ajst-18344	163	29	figure7	figure7	NOUN
ajst-18344	163	30	that	that	SCONJ
ajst-18344	163	31	the	the	DET
ajst-18344	163	32	natural	natural	ADJ
ajst-18344	163	33	frequency	frequency	NOUN
ajst-18344	163	34	of	of	ADP
ajst-18344	163	35	the	the	DET
ajst-18344	163	36	drilling	drilling	NOUN
ajst-18344	163	37	tool	tool	NOUN
ajst-18344	163	38	decreases	decrease	VERB
ajst-18344	163	39	as	as	ADP
ajst-18344	163	40	the	the	DET
ajst-18344	163	41	mass	mass	NOUN
ajst-18344	163	42	of	of	ADP
ajst-18344	163	43	the	the	DET
ajst-18344	163	44	vibration	vibration	NOUN
ajst-18344	163	45	damping	damp	VERB
ajst-18344	163	46	assembly	assembly	NOUN
ajst-18344	163	47	increases	increase	NOUN
ajst-18344	163	48	,	,	PUNCT
ajst-18344	163	49	and	and	CCONJ
ajst-18344	163	50	the	the	DET
ajst-18344	163	51	amplitude	amplitude	NOUN
ajst-18344	163	52	ratio	ratio	NOUN
ajst-18344	163	53	of	of	ADP
ajst-18344	163	54	the	the	DET
ajst-18344	163	55	drilling	drilling	NOUN
ajst-18344	163	56	tool	tool	NOUN
ajst-18344	163	57	decreases	decrease	VERB
ajst-18344	163	58	as	as	ADP
ajst-18344	163	59	the	the	DET
ajst-18344	163	60	damping	damp	VERB
ajst-18344	163	61	ratio	ratio	NOUN
ajst-18344	163	62	increases	increase	NOUN
ajst-18344	163	63	.	.	PUNCT
ajst-18344	164	1	in	in	ADP
ajst-18344	164	2	order	order	NOUN
ajst-18344	164	3	to	to	PART
ajst-18344	164	4	reduce	reduce	VERB
ajst-18344	164	5	the	the	DET
ajst-18344	164	6	axial	axial	ADJ
ajst-18344	164	7	vibration	vibration	NOUN
ajst-18344	164	8	of	of	ADP
ajst-18344	164	9	the	the	DET
ajst-18344	164	10	drilling	drilling	NOUN
ajst-18344	164	11	tool	tool	NOUN
ajst-18344	164	12	and	and	CCONJ
ajst-18344	164	13	avoid	avoid	VERB
ajst-18344	164	14	resonance	resonance	NOUN
ajst-18344	164	15	,	,	PUNCT
ajst-18344	164	16	the	the	DET
ajst-18344	164	17	mass	mass	NOUN
ajst-18344	164	18	of	of	ADP
ajst-18344	164	19	the	the	DET
ajst-18344	164	20	drilling	drilling	NOUN
ajst-18344	164	21	tool	tool	NOUN
ajst-18344	164	22	should	should	AUX
ajst-18344	164	23	be	be	AUX
ajst-18344	164	24	reduced	reduce	VERB
ajst-18344	164	25	,	,	PUNCT
ajst-18344	164	26	increase	increase	VERB
ajst-18344	164	27	stiffness	stiffness	NOUN
ajst-18344	164	28	and	and	CCONJ
ajst-18344	164	29	damping	damp	VERB
ajst-18344	164	30	.	.	PUNCT
ajst-18344	165	1	according	accord	VERB
ajst-18344	165	2	to	to	ADP
ajst-18344	165	3	the	the	DET
ajst-18344	165	4	data	datum	NOUN
ajst-18344	165	5	in	in	ADP
ajst-18344	165	6	0	0	NUM
ajst-18344	165	7	,	,	PUNCT
ajst-18344	165	8	the	the	DET
ajst-18344	165	9	natural	natural	ADJ
ajst-18344	165	10	frequency	frequency	NOUN
ajst-18344	165	11	of	of	ADP
ajst-18344	165	12	the	the	DET
ajst-18344	165	13	conventional	conventional	ADJ
ajst-18344	165	14	pdm	pdm	NOUN
ajst-18344	165	15	is	be	AUX
ajst-18344	165	16	54	54	NUM
ajst-18344	165	17	rad	rad	NOUN
ajst-18344	165	18	/s	/s	NOUN
ajst-18344	165	19	.	.	PUNCT
ajst-18344	166	1	when	when	SCONJ
ajst-18344	166	2	the	the	DET
ajst-18344	166	3	damper	damper	NOUN
ajst-18344	166	4	mass	mass	NOUN
ajst-18344	166	5	is	be	AUX
ajst-18344	166	6	100	100	NUM
ajst-18344	166	7	kg	kg	NOUN
ajst-18344	166	8	,	,	PUNCT
ajst-18344	166	9	the	the	DET
ajst-18344	166	10	natural	natural	ADJ
ajst-18344	166	11	frequency	frequency	NOUN
ajst-18344	166	12	of	of	ADP
ajst-18344	166	13	the	the	DET
ajst-18344	166	14	drilling	drilling	NOUN
ajst-18344	166	15	tool	tool	NOUN
ajst-18344	166	16	is	be	AUX
ajst-18344	166	17	20.3	20.3	NUM
ajst-18344	166	18	rad	rad	NOUN
ajst-18344	166	19	/	/	SYM
ajst-18344	166	20	s	s	PROPN
ajst-18344	166	21	,	,	PUNCT
ajst-18344	166	22	which	which	PRON
ajst-18344	166	23	is	be	AUX
ajst-18344	166	24	less	less	ADJ
ajst-18344	166	25	than	than	ADP
ajst-18344	166	26	the	the	DET
ajst-18344	166	27	maximum	maximum	ADJ
ajst-18344	166	28	drilling	drilling	NOUN
ajst-18344	166	29	speed	speed	NOUN
ajst-18344	166	30	of	of	ADP
ajst-18344	166	31	the	the	DET
ajst-18344	166	32	drilling	drilling	NOUN
ajst-18344	166	33	tool	tool	NOUN
ajst-18344	166	34	.	.	PUNCT
ajst-18344	167	1	1	1	NUM
ajst-18344	167	2	8.01	8.01	NUM
ajst-18344	167	3	rad	rad	NOUN
ajst-18344	167	4	/	/	SYM
ajst-18344	167	5	s	s	PROPN
ajst-18344	167	6	,	,	PUNCT
ajst-18344	167	7	which	which	PRON
ajst-18344	167	8	can	can	AUX
ajst-18344	167	9	avoid	avoid	VERB
ajst-18344	167	10	resonance	resonance	NOUN
ajst-18344	167	11	.	.	PUNCT
ajst-18344	168	1	the	the	DET
ajst-18344	168	2	designed	design	VERB
ajst-18344	168	3	damping	damp	VERB
ajst-18344	168	4	structure	structure	NOUN
ajst-18344	168	5	has	have	VERB
ajst-18344	168	6	a	a	DET
ajst-18344	168	7	damping	damp	VERB
ajst-18344	168	8	ratio	ratio	NOUN
ajst-18344	168	9	of	of	ADP
ajst-18344	168	10	0.37	0.37	NUM
ajst-18344	168	11	and	and	CCONJ
ajst-18344	168	12	a	a	DET
ajst-18344	168	13	relatively	relatively	ADV
ajst-18344	168	14	small	small	ADJ
ajst-18344	168	15	amplitude	amplitude	NOUN
ajst-18344	168	16	,	,	PUNCT
ajst-18344	168	17	which	which	PRON
ajst-18344	168	18	can	can	AUX
ajst-18344	168	19	effectively	effectively	ADV
ajst-18344	168	20	reduce	reduce	VERB
ajst-18344	168	21	resonance	resonance	NOUN
ajst-18344	168	22	phenomena	phenomenon	NOUN
ajst-18344	168	23	.	.	PUNCT
ajst-18344	169	1	the	the	DET
ajst-18344	169	2	amplitudefrequency	amplitudefrequency	NOUN
ajst-18344	169	3	response	response	NOUN
ajst-18344	169	4	curve	curve	NOUN
ajst-18344	169	5	of	of	ADP
ajst-18344	169	6	the	the	DET
ajst-18344	169	7	shock	shock	NOUN
ajst-18344	169	8	absorber	absorber	NOUN
ajst-18344	169	9	is	be	AUX
ajst-18344	169	10	basically	basically	ADV
ajst-18344	169	11	the	the	DET
ajst-18344	169	12	same	same	ADJ
ajst-18344	169	13	as	as	ADP
ajst-18344	169	14	that	that	PRON
ajst-18344	169	15	of	of	ADP
ajst-18344	169	16	the	the	DET
ajst-18344	169	17	drilling	drilling	NOUN
ajst-18344	169	18	tool	tool	NOUN
ajst-18344	169	19	.	.	PUNCT
ajst-18344	170	1	there	there	PRON
ajst-18344	170	2	will	will	AUX
ajst-18344	170	3	be	be	AUX
ajst-18344	170	4	a	a	DET
ajst-18344	170	5	difference	difference	NOUN
ajst-18344	170	6	only	only	ADV
ajst-18344	170	7	when	when	SCONJ
ajst-18344	170	8	the	the	DET
ajst-18344	170	9	excitation	excitation	NOUN
ajst-18344	170	10	frequency	frequency	NOUN
ajst-18344	170	11	is	be	AUX
ajst-18344	170	12	higher	high	ADJ
ajst-18344	170	13	,	,	PUNCT
ajst-18344	170	14	so	so	CCONJ
ajst-18344	170	15	no	no	DET
ajst-18344	170	16	additional	additional	ADJ
ajst-18344	170	17	figure	figure	NOUN
ajst-18344	170	18	is	be	AUX
ajst-18344	170	19	included	include	VERB
ajst-18344	170	20	.	.	PUNCT
ajst-18344	171	1	3	3	X
ajst-18344	171	2	.	.	X
ajst-18344	171	3	finite	finite	PROPN
ajst-18344	171	4	element	element	PROPN
ajst-18344	171	5	simulation	simulation	NOUN
ajst-18344	171	6	of	of	ADP
ajst-18344	171	7	new	new	ADJ
ajst-18344	171	8	vibration	vibration	NOUN
ajst-18344	171	9	-	-	PUNCT
ajst-18344	171	10	damping	damp	VERB
ajst-18344	171	11	structure	structure	NOUN
ajst-18344	171	12	after	after	ADP
ajst-18344	171	13	obtaining	obtain	VERB
ajst-18344	171	14	the	the	DET
ajst-18344	171	15	design	design	NOUN
ajst-18344	171	16	stiffness	stiffness	NOUN
ajst-18344	171	17	and	and	CCONJ
ajst-18344	171	18	damping	damp	VERB
ajst-18344	171	19	of	of	ADP
ajst-18344	171	20	the	the	DET
ajst-18344	171	21	vibration	vibration	NOUN
ajst-18344	171	22	-	-	PUNCT
ajst-18344	171	23	damping	damp	VERB
ajst-18344	171	24	assembly	assembly	NOUN
ajst-18344	171	25	through	through	ADP
ajst-18344	171	26	numerical	numerical	ADJ
ajst-18344	171	27	calculation	calculation	NOUN
ajst-18344	171	28	methods	method	NOUN
ajst-18344	171	29	,	,	PUNCT
ajst-18344	171	30	in	in	ADP
ajst-18344	171	31	order	order	NOUN
ajst-18344	171	32	to	to	PART
ajst-18344	171	33	verify	verify	VERB
ajst-18344	171	34	the	the	DET
ajst-18344	171	35	vibration	vibration	NOUN
ajst-18344	171	36	-	-	PUNCT
ajst-18344	171	37	damping	damp	VERB
ajst-18344	171	38	effect	effect	NOUN
ajst-18344	171	39	of	of	ADP
ajst-18344	171	40	the	the	DET
ajst-18344	171	41	vibration	vibration	NOUN
ajst-18344	171	42	-	-	PUNCT
ajst-18344	171	43	damping	damp	VERB
ajst-18344	171	44	drilling	drilling	NOUN
ajst-18344	171	45	tool	tool	NOUN
ajst-18344	171	46	,	,	PUNCT
ajst-18344	171	47	the	the	DET
ajst-18344	171	48	finite	finite	PROPN
ajst-18344	171	49	element	element	NOUN
ajst-18344	171	50	method	method	NOUN
ajst-18344	171	51	was	be	AUX
ajst-18344	171	52	used	use	VERB
ajst-18344	171	53	to	to	PART
ajst-18344	171	54	analyze	analyze	VERB
ajst-18344	171	55	the	the	DET
ajst-18344	171	56	differences	difference	NOUN
ajst-18344	171	57	between	between	ADP
ajst-18344	171	58	the	the	DET
ajst-18344	171	59	new	new	ADJ
ajst-18344	171	60	vibration	vibration	NOUN
ajst-18344	171	61	-	-	PUNCT
ajst-18344	171	62	damping	damp	VERB
ajst-18344	171	63	drilling	drilling	NOUN
ajst-18344	171	64	tool	tool	NOUN
ajst-18344	171	65	and	and	CCONJ
ajst-18344	171	66	the	the	DET
ajst-18344	171	67	ordinary	ordinary	ADJ
ajst-18344	171	68	drilling	drilling	NOUN
ajst-18344	171	69	tool	tool	NOUN
ajst-18344	171	70	under	under	ADP
ajst-18344	171	71	different	different	ADJ
ajst-18344	171	72	frequencies	frequency	NOUN
ajst-18344	171	73	of	of	ADP
ajst-18344	171	74	drill	drill	NOUN
ajst-18344	171	75	bit	bit	NOUN
ajst-18344	171	76	impact	impact	NOUN
ajst-18344	171	77	.	.	PUNCT
ajst-18344	172	1	the	the	DET
ajst-18344	172	2	difference	difference	NOUN
ajst-18344	172	3	in	in	ADP
ajst-18344	172	4	the	the	DET
ajst-18344	172	5	impact	impact	NOUN
ajst-18344	172	6	force	force	NOUN
ajst-18344	172	7	of	of	ADP
ajst-18344	172	8	the	the	DET
ajst-18344	172	9	drill	drill	NOUN
ajst-18344	172	10	bit	bit	NOUN
ajst-18344	172	11	.	.	PUNCT
ajst-18344	173	1	on	on	ADP
ajst-18344	173	2	the	the	DET
ajst-18344	173	3	actual	actual	ADJ
ajst-18344	173	4	drilling	drilling	NOUN
ajst-18344	173	5	tool	tool	NOUN
ajst-18344	173	6	structure	structure	NOUN
ajst-18344	173	7	.	.	PUNCT
ajst-18344	174	1	according	accord	VERB
ajst-18344	174	2	to	to	ADP
ajst-18344	174	3	0	0	NUM
ajst-18344	174	4	,	,	PUNCT
ajst-18344	174	5	the	the	DET
ajst-18344	174	6	ordinary	ordinary	ADJ
ajst-18344	174	7	pdm	pdm	NOUN
ajst-18344	174	8	is	be	AUX
ajst-18344	174	9	simplified	simplify	VERB
ajst-18344	174	10	into	into	ADP
ajst-18344	174	11	two	two	NUM
ajst-18344	174	12	parts	part	NOUN
ajst-18344	174	13	:	:	PUNCT
ajst-18344	174	14	the	the	DET
ajst-18344	174	15	drilling	drilling	NOUN
ajst-18344	174	16	tool	tool	NOUN
ajst-18344	174	17	shell	shell	VERB
ajst-18344	174	18	and	and	CCONJ
ajst-18344	174	19	pdm	pdm	PROPN
ajst-18344	174	20	shaft	shaft	NOUN
ajst-18344	174	21	system	system	NOUN
ajst-18344	174	22	.	.	PUNCT
ajst-18344	175	1	the	the	DET
ajst-18344	175	2	connection	connection	NOUN
ajst-18344	175	3	between	between	ADP
ajst-18344	175	4	the	the	DET
ajst-18344	175	5	shell	shell	NOUN
ajst-18344	175	6	and	and	CCONJ
ajst-18344	175	7	the	the	DET
ajst-18344	175	8	shaft	shaft	NOUN
ajst-18344	175	9	system	system	NOUN
ajst-18344	175	10	is	be	AUX
ajst-18344	175	11	through	through	ADP
ajst-18344	175	12	the	the	DET
ajst-18344	175	13	finite	finite	PROPN
ajst-18344	175	14	element	element	NOUN
ajst-18344	175	15	software	software	NOUN
ajst-18344	175	16	.	.	PUNCT
ajst-18344	176	1	spring	spring	NOUN
ajst-18344	176	2	connection	connection	NOUN
ajst-18344	176	3	;	;	PUNCT
ajst-18344	176	4	the	the	DET
ajst-18344	176	5	new	new	ADJ
ajst-18344	176	6	vibration	vibration	NOUN
ajst-18344	176	7	-	-	PUNCT
ajst-18344	176	8	damping	damp	VERB
ajst-18344	176	9	drilling	drilling	NOUN
ajst-18344	176	10	tool	tool	NOUN
ajst-18344	176	11	is	be	AUX
ajst-18344	176	12	simplified	simplify	VERB
ajst-18344	176	13	into	into	ADP
ajst-18344	176	14	three	three	NUM
ajst-18344	176	15	parts	part	NOUN
ajst-18344	176	16	:	:	PUNCT
ajst-18344	176	17	the	the	DET
ajst-18344	176	18	drilling	drilling	NOUN
ajst-18344	176	19	tool	tool	NOUN
ajst-18344	176	20	housing	housing	NOUN
ajst-18344	176	21	,	,	PUNCT
ajst-18344	176	22	the	the	DET
ajst-18344	176	23	drilling	drilling	NOUN
ajst-18344	176	24	tool	tool	NOUN
ajst-18344	176	25	shaft	shaft	NOUN
ajst-18344	176	26	system	system	NOUN
ajst-18344	176	27	and	and	CCONJ
ajst-18344	176	28	the	the	DET
ajst-18344	176	29	vibrationdamping	vibrationdamping	NOUN
ajst-18344	176	30	assembly	assembly	NOUN
ajst-18344	176	31	.	.	PUNCT
ajst-18344	177	1	the	the	DET
ajst-18344	177	2	drilling	drilling	NOUN
ajst-18344	177	3	tool	tool	NOUN
ajst-18344	177	4	housing	housing	NOUN
ajst-18344	177	5	includes	include	VERB
ajst-18344	177	6	the	the	DET
ajst-18344	177	7	part	part	NOUN
ajst-18344	177	8	below	below	ADP
ajst-18344	177	9	the	the	DET
ajst-18344	177	10	drill	drill	NOUN
ajst-18344	177	11	string	string	NOUN
ajst-18344	177	12	and	and	CCONJ
ajst-18344	177	13	above	above	ADP
ajst-18344	177	14	the	the	DET
ajst-18344	177	15	vibration	vibration	NOUN
ajst-18344	177	16	damping	damp	VERB
ajst-18344	177	17	assembly	assembly	NOUN
ajst-18344	177	18	that	that	PRON
ajst-18344	177	19	does	do	AUX
ajst-18344	177	20	not	not	PART
ajst-18344	177	21	include	include	VERB
ajst-18344	177	22	the	the	DET
ajst-18344	177	23	shaft	shaft	NOUN
ajst-18344	177	24	system	system	NOUN
ajst-18344	177	25	;	;	PUNCT
ajst-18344	177	26	pdm	pdm	NOUN
ajst-18344	177	27	shaft	shaft	NOUN
ajst-18344	177	28	system	system	NOUN
ajst-18344	177	29	is	be	AUX
ajst-18344	177	30	selected	select	VERB
ajst-18344	177	31	from	from	ADP
ajst-18344	177	32	the	the	DET
ajst-18344	177	33	rest	rest	NOUN
ajst-18344	177	34	above	above	ADP
ajst-18344	177	35	the	the	DET
ajst-18344	177	36	metal	metal	NOUN
ajst-18344	177	37	rubber	rubber	NOUN
ajst-18344	177	38	pad	pad	NOUN
ajst-18344	177	39	;	;	PUNCT
ajst-18344	177	40	below	below	ADP
ajst-18344	177	41	the	the	DET
ajst-18344	177	42	metal	metal	NOUN
ajst-18344	177	43	rubber	rubber	NOUN
ajst-18344	177	44	and	and	CCONJ
ajst-18344	177	45	above	above	ADP
ajst-18344	177	46	the	the	DET
ajst-18344	177	47	drill	drill	NOUN
ajst-18344	177	48	bit	bit	NOUN
ajst-18344	177	49	is	be	AUX
ajst-18344	177	50	the	the	DET
ajst-18344	177	51	vibration	vibration	NOUN
ajst-18344	177	52	damping	damp	VERB
ajst-18344	177	53	assembly	assembly	NOUN
ajst-18344	177	54	.	.	PUNCT
ajst-18344	178	1	each	each	DET
ajst-18344	178	2	part	part	NOUN
ajst-18344	178	3	of	of	ADP
ajst-18344	178	4	the	the	DET
ajst-18344	178	5	drilling	drilling	NOUN
ajst-18344	178	6	tool	tool	NOUN
ajst-18344	178	7	is	be	AUX
ajst-18344	178	8	connected	connect	VERB
ajst-18344	178	9	by	by	ADP
ajst-18344	178	10	a	a	DET
ajst-18344	178	11	damper	damper	NOUN
ajst-18344	178	12	.	.	PUNCT
ajst-18344	179	1	the	the	DET
ajst-18344	179	2	stiffness	stiffness	NOUN
ajst-18344	179	3	and	and	CCONJ
ajst-18344	179	4	damping	damp	VERB
ajst-18344	179	5	size	size	NOUN
ajst-18344	179	6	of	of	ADP
ajst-18344	179	7	the	the	DET
ajst-18344	179	8	damper	damper	NOUN
ajst-18344	179	9	are	be	AUX
ajst-18344	179	10	consistent	consistent	ADJ
ajst-18344	179	11	with	with	ADP
ajst-18344	179	12	the	the	DET
ajst-18344	179	13	previous	previous	ADJ
ajst-18344	179	14	chapter	chapter	NOUN
ajst-18344	179	15	.	.	PUNCT
ajst-18344	180	1	the	the	DET
ajst-18344	180	2	simulation	simulation	NOUN
ajst-18344	180	3	model	model	NOUN
ajst-18344	180	4	is	be	AUX
ajst-18344	180	5	shown	show	VERB
ajst-18344	180	6	in	in	ADP
ajst-18344	180	7	figure	figure	NOUN
ajst-18344	180	8	8	8	NUM
ajst-18344	180	9	..	..	PUNCT
ajst-18344	180	10	[13]-[14	[13]-[14	X
ajst-18344	180	11	]	]	X
ajst-18344	180	12	(	(	PUNCT
ajst-18344	180	13	a	a	X
ajst-18344	180	14	)	)	PUNCT
ajst-18344	180	15	ordinary	ordinary	ADJ
ajst-18344	180	16	pdm	pdm	NOUN
ajst-18344	180	17	(	(	PUNCT
ajst-18344	180	18	b	b	NOUN
ajst-18344	180	19	)	)	PUNCT
ajst-18344	180	20	new	new	ADJ
ajst-18344	180	21	vibration	vibration	NOUN
ajst-18344	180	22	-	-	PUNCT
ajst-18344	180	23	damping	damp	VERB
ajst-18344	180	24	pdm	pdm	NOUN
ajst-18344	180	25	figure	figure	NOUN
ajst-18344	180	26	8	8	NUM
ajst-18344	180	27	.	.	PUNCT
ajst-18344	181	1	pdm	pdm	PROPN
ajst-18344	181	2	dynamic	dynamic	ADJ
ajst-18344	181	3	model	model	NOUN
ajst-18344	181	4	according	accord	VERB
ajst-18344	181	5	to	to	ADP
ajst-18344	181	6	the	the	DET
ajst-18344	181	7	actual	actual	ADJ
ajst-18344	181	8	working	work	VERB
ajst-18344	181	9	conditions	condition	NOUN
ajst-18344	181	10	,	,	PUNCT
ajst-18344	181	11	a	a	DET
ajst-18344	181	12	90kn	90kn	ADJ
ajst-18344	181	13	weight	weight	NOUN
ajst-18344	181	14	-	-	PUNCT
ajst-18344	181	15	on	on	ADP
ajst-18344	181	16	-	-	PUNCT
ajst-18344	181	17	bit	bit	NOUN
ajst-18344	181	18	preload	preload	NOUN
ajst-18344	181	19	is	be	AUX
ajst-18344	181	20	applied	apply	VERB
ajst-18344	181	21	to	to	ADP
ajst-18344	181	22	the	the	DET
ajst-18344	181	23	drilling	drilling	NOUN
ajst-18344	181	24	tool	tool	NOUN
ajst-18344	181	25	shell	shell	VERB
ajst-18344	181	26	,	,	PUNCT
ajst-18344	181	27	and	and	CCONJ
ajst-18344	181	28	displacement	displacement	ADJ
ajst-18344	181	29	excitation	excitation	NOUN
ajst-18344	181	30	is	be	AUX
ajst-18344	181	31	used	use	VERB
ajst-18344	181	32	to	to	PART
ajst-18344	181	33	simulate	simulate	VERB
ajst-18344	181	34	the	the	DET
ajst-18344	181	35	impact	impact	NOUN
ajst-18344	181	36	of	of	ADP
ajst-18344	181	37	the	the	DET
ajst-18344	181	38	drill	drill	NOUN
ajst-18344	181	39	bit	bit	NOUN
ajst-18344	181	40	on	on	ADP
ajst-18344	181	41	the	the	DET
ajst-18344	181	42	drilling	drilling	NOUN
ajst-18344	181	43	tool	tool	NOUN
ajst-18344	181	44	.	.	PUNCT
ajst-18344	182	1	the	the	DET
ajst-18344	182	2	displacement	displacement	ADJ
ajst-18344	182	3	excitation	excitation	NOUN
ajst-18344	182	4	size	size	NOUN
ajst-18344	182	5	is	be	AUX
ajst-18344	182	6	set	set	VERB
ajst-18344	182	7	to	to	ADP
ajst-18344	182	8	:	:	PUNCT
ajst-18344	182	9	y(t	y(t	NUM
ajst-18344	182	10	)	)	PUNCT
ajst-18344	183	1	=	=	SYM
ajst-18344	183	2	ysin(ωt	ysin(ωt	NOUN
ajst-18344	183	3	)	)	PUNCT
ajst-18344	183	4	.	.	PUNCT
ajst-18344	184	1	where	where	SCONJ
ajst-18344	184	2	y	y	PROPN
ajst-18344	184	3	represents	represent	VERB
ajst-18344	184	4	the	the	DET
ajst-18344	184	5	amplitude	amplitude	NOUN
ajst-18344	184	6	and	and	CCONJ
ajst-18344	184	7	ω	ω	NOUN
ajst-18344	184	8	represents	represent	VERB
ajst-18344	184	9	the	the	DET
ajst-18344	184	10	speed	speed	NOUN
ajst-18344	184	11	of	of	ADP
ajst-18344	184	12	excitation	excitation	NOUN
ajst-18344	184	13	.	.	PUNCT
ajst-18344	185	1	during	during	ADP
ajst-18344	185	2	the	the	DET
ajst-18344	185	3	drilling	drilling	NOUN
ajst-18344	185	4	process	process	NOUN
ajst-18344	185	5	,	,	PUNCT
ajst-18344	185	6	tri	tri	PROPN
ajst-18344	185	7	-cone	-cone	PROPN
ajst-18344	185	8	bits	bit	NOUN
ajst-18344	185	9	are	be	AUX
ajst-18344	185	10	often	often	ADV
ajst-18344	185	11	used	use	VERB
ajst-18344	185	12	for	for	ADP
ajst-18344	185	13	drilling	drilling	NOUN
ajst-18344	185	14	.	.	PUNCT
ajst-18344	186	1	each	each	DET
ajst-18344	186	2	cone	cone	NOUN
ajst-18344	186	3	of	of	ADP
ajst-18344	186	4	the	the	DET
ajst-18344	186	5	drill	drill	NOUN
ajst-18344	186	6	bit	bit	NOUN
ajst-18344	186	7	will	will	AUX
ajst-18344	186	8	impact	impact	VERB
ajst-18344	186	9	the	the	DET
ajst-18344	186	10	rock	rock	NOUN
ajst-18344	186	11	formation	formation	NOUN
ajst-18344	186	12	at	at	ADP
ajst-18344	186	13	the	the	DET
ajst-18344	186	14	bottom	bottom	NOUN
ajst-18344	186	15	of	of	ADP
ajst-18344	186	16	the	the	DET
ajst-18344	186	17	hole	hole	NOUN
ajst-18344	186	18	three	three	NUM
ajst-18344	186	19	times	time	NOUN
ajst-18344	186	20	every	every	DET
ajst-18344	186	21	time	time	NOUN
ajst-18344	186	22	the	the	DET
ajst-18344	186	23	bit	bit	NOUN
ajst-18344	186	24	rotates	rotate	NOUN
ajst-18344	186	25	.	.	PUNCT
ajst-18344	187	1	the	the	DET
ajst-18344	187	2	impact	impact	NOUN
ajst-18344	187	3	of	of	ADP
ajst-18344	187	4	the	the	DET
ajst-18344	187	5	bit	bit	NOUN
ajst-18344	187	6	on	on	ADP
ajst-18344	187	7	the	the	DET
ajst-18344	187	8	drill	drill	NOUN
ajst-18344	187	9	string	string	NOUN
ajst-18344	187	10	is	be	AUX
ajst-18344	187	11	generally	generally	ADV
ajst-18344	187	12	three	three	NUM
ajst-18344	187	13	times	time	NOUN
ajst-18344	187	14	the	the	DET
ajst-18344	187	15	drilling	drilling	NOUN
ajst-18344	187	16	speed	speed	NOUN
ajst-18344	187	17	.	.	PUNCT
ajst-18344	188	1	actual	actual	ADJ
ajst-18344	188	2	on	on	ADP
ajst-18344	188	3	-	-	PUNCT
ajst-18344	188	4	site	site	NOUN
ajst-18344	188	5	measurements	measurement	NOUN
ajst-18344	188	6	are	be	AUX
ajst-18344	188	7	consistent	consistent	ADJ
ajst-18344	188	8	with	with	ADP
ajst-18344	188	9	calculations	calculation	NOUN
ajst-18344	188	10	have	have	AUX
ajst-18344	188	11	proven	prove	VERB
ajst-18344	188	12	this	this	PRON
ajst-18344	188	13	,	,	PUNCT
ajst-18344	188	14	and	and	CCONJ
ajst-18344	188	15	the	the	DET
ajst-18344	188	16	excitation	excitation	NOUN
ajst-18344	188	17	frequencies	frequency	NOUN
ajst-18344	188	18	were	be	AUX
ajst-18344	188	19	selected	select	VERB
ajst-18344	188	20	as	as	ADP
ajst-18344	188	21	6	6	NUM
ajst-18344	188	22	,	,	PUNCT
ajst-18344	188	23	9	9	NUM
ajst-18344	188	24	,	,	PUNCT
ajst-18344	188	25	12	12	NUM
ajst-18344	188	26	and	and	CCONJ
ajst-18344	188	27	15	15	NUM
ajst-18344	188	28	hz	hz	VERB
ajst-18344	188	29	to	to	PART
ajst-18344	188	30	simulate	simulate	VERB
ajst-18344	188	31	the	the	DET
ajst-18344	188	32	impact	impact	NOUN
ajst-18344	188	33	of	of	ADP
ajst-18344	188	34	the	the	DET
ajst-18344	188	35	drilling	drilling	NOUN
ajst-18344	188	36	tool	tool	NOUN
ajst-18344	188	37	under	under	ADP
ajst-18344	188	38	different	different	ADJ
ajst-18344	188	39	working	work	VERB
ajst-18344	188	40	conditions	condition	NOUN
ajst-18344	188	41	.	.	PUNCT
ajst-18344	189	1	the	the	DET
ajst-18344	189	2	rotation	rotation	NOUN
ajst-18344	189	3	speed	speed	NOUN
ajst-18344	189	4	can	can	AUX
ajst-18344	189	5	be	be	AUX
ajst-18344	189	6	obtained	obtain	VERB
ajst-18344	189	7	by	by	ADP
ajst-18344	189	8	ω=2πf	ω=2πf	NUM
ajst-18344	189	9	,	,	PUNCT
ajst-18344	189	10	and	and	CCONJ
ajst-18344	189	11	the	the	DET
ajst-18344	189	12	displacement	displacement	ADJ
ajst-18344	189	13	excitation	excitation	NOUN
ajst-18344	189	14	amplitude	amplitude	NOUN
ajst-18344	189	15	is	be	AUX
ajst-18344	189	16	selected	select	VERB
ajst-18344	189	17	as	as	ADP
ajst-18344	189	18	4	4	NUM
ajst-18344	189	19	mm	mm	NOUN
ajst-18344	189	20	.	.	PUNCT
ajst-18344	190	1	the	the	DET
ajst-18344	190	2	change	change	NOUN
ajst-18344	190	3	curve	curve	NOUN
ajst-18344	190	4	of	of	ADP
ajst-18344	190	5	the	the	DET
ajst-18344	190	6	axial	axial	ADJ
ajst-18344	190	7	impact	impact	NOUN
ajst-18344	190	8	force	force	NOUN
ajst-18344	190	9	on	on	ADP
ajst-18344	190	10	the	the	DET
ajst-18344	190	11	drilling	drilling	NOUN
ajst-18344	190	12	tool	tool	NOUN
ajst-18344	190	13	is	be	AUX
ajst-18344	190	14	shown	show	VERB
ajst-18344	190	15	in	in	ADP
ajst-18344	190	16	figure	figure	NOUN
ajst-18344	190	17	9	9	NUM
ajst-18344	190	18	below	below	ADV
ajst-18344	190	19	.	.	PUNCT
ajst-18344	191	1	figure	figure	NOUN
ajst-18344	191	2	9	9	NUM
ajst-18344	191	3	.	.	PUNCT
ajst-18344	191	4	impact	impact	NOUN
ajst-18344	191	5	force	force	NOUN
ajst-18344	191	6	curve	curve	NOUN
ajst-18344	191	7	of	of	ADP
ajst-18344	191	8	new	new	ADJ
ajst-18344	191	9	vibration	vibration	NOUN
ajst-18344	191	10	-	-	PUNCT
ajst-18344	191	11	damping	damp	VERB
ajst-18344	191	12	drilling	drilling	NOUN
ajst-18344	191	13	tools	tool	NOUN
ajst-18344	191	14	151	151	NUM
ajst-18344	191	15	from	from	ADP
ajst-18344	191	16	the	the	DET
ajst-18344	191	17	above	above	ADJ
ajst-18344	191	18	impact	impact	NOUN
ajst-18344	191	19	force	force	NOUN
ajst-18344	191	20	curves	curve	NOUN
ajst-18344	191	21	of	of	ADP
ajst-18344	191	22	the	the	DET
ajst-18344	191	23	drilling	drilling	NOUN
ajst-18344	191	24	tool	tool	NOUN
ajst-18344	191	25	under	under	ADP
ajst-18344	191	26	different	different	ADJ
ajst-18344	191	27	working	work	VERB
ajst-18344	191	28	conditions	condition	NOUN
ajst-18344	191	29	,	,	PUNCT
ajst-18344	191	30	it	it	PRON
ajst-18344	191	31	can	can	AUX
ajst-18344	191	32	be	be	AUX
ajst-18344	191	33	seen	see	VERB
ajst-18344	191	34	that	that	SCONJ
ajst-18344	191	35	at	at	ADP
ajst-18344	191	36	low	low	ADJ
ajst-18344	191	37	frequencies	frequency	NOUN
ajst-18344	191	38	of	of	ADP
ajst-18344	191	39	6	6	NUM
ajst-18344	191	40	and	and	CCONJ
ajst-18344	191	41	9	9	NUM
ajst-18344	191	42	hz	hz	NOUN
ajst-18344	191	43	,	,	PUNCT
ajst-18344	191	44	the	the	DET
ajst-18344	191	45	impact	impact	NOUN
ajst-18344	191	46	force	force	NOUN
ajst-18344	191	47	curves	curve	NOUN
ajst-18344	191	48	are	be	AUX
ajst-18344	191	49	stable	stable	ADJ
ajst-18344	191	50	within	within	ADP
ajst-18344	191	51	100kn	100kn	NOUN
ajst-18344	191	52	.	.	PUNCT
ajst-18344	192	1	when	when	SCONJ
ajst-18344	192	2	the	the	DET
ajst-18344	192	3	frequency	frequency	NOUN
ajst-18344	192	4	rises	rise	VERB
ajst-18344	192	5	to	to	ADP
ajst-18344	192	6	12hz	12hz	NOUN
ajst-18344	192	7	,	,	PUNCT
ajst-18344	192	8	the	the	DET
ajst-18344	192	9	impact	impact	NOUN
ajst-18344	192	10	force	force	NOUN
ajst-18344	192	11	distribution	distribution	NOUN
ajst-18344	192	12	is	be	AUX
ajst-18344	192	13	similar	similar	ADJ
ajst-18344	192	14	to	to	ADP
ajst-18344	192	15	9hz	9hz	NOUN
ajst-18344	192	16	,	,	PUNCT
ajst-18344	192	17	but	but	CCONJ
ajst-18344	192	18	the	the	DET
ajst-18344	192	19	impact	impact	NOUN
ajst-18344	192	20	force	force	NOUN
ajst-18344	192	21	of	of	ADP
ajst-18344	192	22	100	100	NUM
ajst-18344	192	23	-	-	PUNCT
ajst-18344	192	24	200kn	200kn	NOUN
ajst-18344	192	25	experienced	experience	VERB
ajst-18344	192	26	by	by	ADP
ajst-18344	192	27	the	the	DET
ajst-18344	192	28	drilling	drilling	NOUN
ajst-18344	192	29	tool	tool	NOUN
ajst-18344	192	30	increases	increase	VERB
ajst-18344	192	31	significantly	significantly	ADV
ajst-18344	192	32	.	.	PUNCT
ajst-18344	193	1	when	when	SCONJ
ajst-18344	193	2	the	the	DET
ajst-18344	193	3	frequency	frequency	NOUN
ajst-18344	193	4	continues	continue	VERB
ajst-18344	193	5	to	to	PART
ajst-18344	193	6	be	be	AUX
ajst-18344	193	7	as	as	ADV
ajst-18344	193	8	high	high	ADJ
ajst-18344	193	9	as	as	ADP
ajst-18344	193	10	15hz	15hz	NUM
ajst-18344	193	11	,	,	PUNCT
ajst-18344	193	12	the	the	DET
ajst-18344	193	13	impact	impact	NOUN
ajst-18344	193	14	force	force	NOUN
ajst-18344	193	15	curve	curve	NOUN
ajst-18344	193	16	represented	represent	VERB
ajst-18344	193	17	by	by	ADP
ajst-18344	193	18	the	the	DET
ajst-18344	193	19	black	black	ADJ
ajst-18344	193	20	line	line	NOUN
ajst-18344	193	21	is	be	AUX
ajst-18344	193	22	mostly	mostly	ADV
ajst-18344	193	23	distributed	distribute	VERB
ajst-18344	193	24	in	in	ADP
ajst-18344	193	25	the	the	DET
ajst-18344	193	26	range	range	NOUN
ajst-18344	193	27	of	of	ADP
ajst-18344	193	28	100	100	NUM
ajst-18344	193	29	-	-	PUNCT
ajst-18344	193	30	300kn	300kn	NOUN
ajst-18344	193	31	.	.	PUNCT
ajst-18344	194	1	it	it	PRON
ajst-18344	194	2	can	can	AUX
ajst-18344	194	3	be	be	AUX
ajst-18344	194	4	inferred	infer	VERB
ajst-18344	194	5	that	that	SCONJ
ajst-18344	194	6	the	the	DET
ajst-18344	194	7	impact	impact	NOUN
ajst-18344	194	8	force	force	NOUN
ajst-18344	194	9	on	on	ADP
ajst-18344	194	10	the	the	DET
ajst-18344	194	11	drilling	drilling	NOUN
ajst-18344	194	12	tool	tool	NOUN
ajst-18344	194	13	increases	increase	VERB
ajst-18344	194	14	as	as	SCONJ
ajst-18344	194	15	the	the	DET
ajst-18344	194	16	drill	drill	NOUN
ajst-18344	194	17	bit	bit	NOUN
ajst-18344	194	18	excitation	excitation	NOUN
ajst-18344	194	19	frequency	frequency	NOUN
ajst-18344	194	20	increases	increase	NOUN
ajst-18344	194	21	,	,	PUNCT
ajst-18344	194	22	the	the	DET
ajst-18344	194	23	impact	impact	NOUN
ajst-18344	194	24	force	force	NOUN
ajst-18344	194	25	distribution	distribution	NOUN
ajst-18344	194	26	gradually	gradually	ADV
ajst-18344	194	27	narrows	narrow	VERB
ajst-18344	194	28	as	as	ADP
ajst-18344	194	29	the	the	DET
ajst-18344	194	30	frequency	frequency	NOUN
ajst-18344	194	31	increases	increase	NOUN
ajst-18344	194	32	,	,	PUNCT
ajst-18344	194	33	and	and	CCONJ
ajst-18344	194	34	the	the	DET
ajst-18344	194	35	impact	impact	NOUN
ajst-18344	194	36	peak	peak	NOUN
ajst-18344	194	37	also	also	ADV
ajst-18344	194	38	increases	increase	VERB
ajst-18344	194	39	as	as	ADP
ajst-18344	194	40	the	the	DET
ajst-18344	194	41	excitation	excitation	NOUN
ajst-18344	194	42	frequency	frequency	NOUN
ajst-18344	194	43	increases	increase	NOUN
ajst-18344	194	44	.	.	PUNCT
ajst-18344	195	1	figure	figure	VERB
ajst-18344	195	2	10	10	NUM
ajst-18344	195	3	.	.	PUNCT
ajst-18344	196	1	comparison	comparison	NOUN
ajst-18344	196	2	curves	curve	NOUN
ajst-18344	196	3	of	of	ADP
ajst-18344	196	4	impact	impact	NOUN
ajst-18344	196	5	force	force	NOUN
ajst-18344	196	6	on	on	ADP
ajst-18344	196	7	drilling	drilling	NOUN
ajst-18344	196	8	tools	tool	NOUN
ajst-18344	196	9	under	under	ADP
ajst-18344	196	10	different	different	ADJ
ajst-18344	196	11	frequency	frequency	NOUN
ajst-18344	196	12	excitations	excitation	NOUN
ajst-18344	196	13	from	from	ADP
ajst-18344	196	14	the	the	DET
ajst-18344	196	15	comparison	comparison	NOUN
ajst-18344	196	16	curve	curve	NOUN
ajst-18344	196	17	of	of	ADP
ajst-18344	196	18	the	the	DET
ajst-18344	196	19	impact	impact	NOUN
ajst-18344	196	20	force	force	NOUN
ajst-18344	196	21	of	of	ADP
ajst-18344	196	22	different	different	ADJ
ajst-18344	196	23	drilling	drilling	NOUN
ajst-18344	196	24	tools	tool	NOUN
ajst-18344	196	25	in	in	ADP
ajst-18344	196	26	figure	figure	NOUN
ajst-18344	196	27	10	10	NUM
ajst-18344	196	28	,	,	PUNCT
ajst-18344	196	29	it	it	PRON
ajst-18344	196	30	can	can	AUX
ajst-18344	196	31	be	be	AUX
ajst-18344	196	32	seen	see	VERB
ajst-18344	196	33	that	that	SCONJ
ajst-18344	196	34	different	different	ADJ
ajst-18344	196	35	drilling	drilling	NOUN
ajst-18344	196	36	tools	tool	NOUN
ajst-18344	196	37	will	will	AUX
ajst-18344	196	38	have	have	VERB
ajst-18344	196	39	obvious	obvious	ADJ
ajst-18344	196	40	phase	phase	NOUN
ajst-18344	196	41	differences	difference	NOUN
ajst-18344	196	42	at	at	ADP
ajst-18344	196	43	the	the	DET
ajst-18344	196	44	same	same	ADJ
ajst-18344	196	45	frequency	frequency	NOUN
ajst-18344	196	46	.	.	PUNCT
ajst-18344	197	1	this	this	PRON
ajst-18344	197	2	is	be	AUX
ajst-18344	197	3	the	the	DET
ajst-18344	197	4	phase	phase	NOUN
ajst-18344	197	5	delay	delay	NOUN
ajst-18344	197	6	phenomenon	phenomenon	NOUN
ajst-18344	197	7	of	of	ADP
ajst-18344	197	8	vibration	vibration	NOUN
ajst-18344	197	9	caused	cause	VERB
ajst-18344	197	10	by	by	ADP
ajst-18344	197	11	the	the	DET
ajst-18344	197	12	metal	metal	NOUN
ajst-18344	197	13	rubber	rubber	NOUN
ajst-18344	197	14	damping	damp	VERB
ajst-18344	197	15	structure	structure	NOUN
ajst-18344	197	16	of	of	ADP
ajst-18344	197	17	the	the	DET
ajst-18344	197	18	vibration	vibration	NOUN
ajst-18344	197	19	damping	damp	VERB
ajst-18344	197	20	assembly	assembly	NOUN
ajst-18344	197	21	absorbing	absorb	VERB
ajst-18344	197	22	the	the	DET
ajst-18344	197	23	impact	impact	NOUN
ajst-18344	197	24	energy	energy	NOUN
ajst-18344	197	25	.	.	PUNCT
ajst-18344	197	26	.	.	PUNCT
ajst-18344	198	1	the	the	DET
ajst-18344	198	2	new	new	ADJ
ajst-18344	198	3	vibration	vibration	NOUN
ajst-18344	198	4	-	-	PUNCT
ajst-18344	198	5	damping	damp	VERB
ajst-18344	198	6	drilling	drilling	NOUN
ajst-18344	198	7	tools	tool	NOUN
ajst-18344	198	8	can	can	AUX
ajst-18344	198	9	achieve	achieve	VERB
ajst-18344	198	10	vibration	vibration	NOUN
ajst-18344	198	11	damping	damp	VERB
ajst-18344	198	12	effects	effect	NOUN
ajst-18344	198	13	under	under	ADP
ajst-18344	198	14	different	different	ADJ
ajst-18344	198	15	frequency	frequency	NOUN
ajst-18344	198	16	excitations	excitation	NOUN
ajst-18344	198	17	.	.	PUNCT
ajst-18344	199	1	especially	especially	ADV
ajst-18344	199	2	under	under	ADP
ajst-18344	199	3	high	high	ADJ
ajst-18344	199	4	-	-	PUNCT
ajst-18344	199	5	frequency	frequency	NOUN
ajst-18344	199	6	excitation	excitation	NOUN
ajst-18344	199	7	conditions	condition	NOUN
ajst-18344	199	8	,	,	PUNCT
ajst-18344	199	9	the	the	DET
ajst-18344	199	10	impact	impact	NOUN
ajst-18344	199	11	force	force	NOUN
ajst-18344	199	12	can	can	AUX
ajst-18344	199	13	be	be	AUX
ajst-18344	199	14	reduced	reduce	VERB
ajst-18344	199	15	to	to	ADP
ajst-18344	199	16	40	40	NUM
ajst-18344	199	17	%	%	NOUN
ajst-18344	199	18	-60	-60	SYM
ajst-18344	199	19	%	%	NOUN
ajst-18344	199	20	.	.	PUNCT
ajst-18344	200	1	however	however	ADV
ajst-18344	200	2	,	,	PUNCT
ajst-18344	200	3	under	under	ADP
ajst-18344	200	4	high	high	ADJ
ajst-18344	200	5	-	-	PUNCT
ajst-18344	200	6	frequency	frequency	NOUN
ajst-18344	200	7	impact	impact	NOUN
ajst-18344	200	8	,	,	PUNCT
ajst-18344	200	9	ordinary	ordinary	ADJ
ajst-18344	200	10	pdm	pdm	NOUN
ajst-18344	200	11	it	it	PRON
ajst-18344	200	12	is	be	AUX
ajst-18344	200	13	easy	easy	ADJ
ajst-18344	200	14	to	to	PART
ajst-18344	200	15	cause	cause	VERB
ajst-18344	200	16	drilling	drilling	NOUN
ajst-18344	200	17	tools	tool	NOUN
ajst-18344	200	18	to	to	PART
ajst-18344	200	19	fail	fail	VERB
ajst-18344	200	20	and	and	CCONJ
ajst-18344	200	21	break	break	VERB
ajst-18344	200	22	,	,	PUNCT
ajst-18344	200	23	which	which	PRON
ajst-18344	200	24	will	will	AUX
ajst-18344	200	25	slow	slow	VERB
ajst-18344	200	26	down	down	ADP
ajst-18344	200	27	the	the	DET
ajst-18344	200	28	work	work	NOUN
ajst-18344	200	29	progress	progress	NOUN
ajst-18344	200	30	and	and	CCONJ
ajst-18344	200	31	increase	increase	VERB
ajst-18344	200	32	the	the	DET
ajst-18344	200	33	work	work	NOUN
ajst-18344	200	34	cost	cost	NOUN
ajst-18344	200	35	.	.	PUNCT
ajst-18344	201	1	therefore	therefore	ADV
ajst-18344	201	2	,	,	PUNCT
ajst-18344	201	3	for	for	ADP
ajst-18344	201	4	drilling	drill	VERB
ajst-18344	201	5	operations	operation	NOUN
ajst-18344	201	6	in	in	ADP
ajst-18344	201	7	hard	hard	ADJ
ajst-18344	201	8	formations	formation	NOUN
ajst-18344	201	9	and	and	CCONJ
ajst-18344	201	10	other	other	ADJ
ajst-18344	201	11	conditions	condition	NOUN
ajst-18344	201	12	where	where	SCONJ
ajst-18344	201	13	high	high	ADJ
ajst-18344	201	14	-	-	PUNCT
ajst-18344	201	15	frequency	frequency	NOUN
ajst-18344	201	16	jumps	jump	NOUN
ajst-18344	201	17	are	be	AUX
ajst-18344	201	18	prone	prone	ADJ
ajst-18344	201	19	to	to	PART
ajst-18344	201	20	occur	occur	VERB
ajst-18344	201	21	during	during	ADP
ajst-18344	201	22	drilling	drilling	NOUN
ajst-18344	201	23	,	,	PUNCT
ajst-18344	201	24	it	it	PRON
ajst-18344	201	25	is	be	AUX
ajst-18344	201	26	necessary	necessary	ADJ
ajst-18344	201	27	to	to	PART
ajst-18344	201	28	use	use	VERB
ajst-18344	201	29	pdm	pdm	NOUN
ajst-18344	201	30	with	with	ADP
ajst-18344	201	31	vibration	vibration	NOUN
ajst-18344	201	32	-	-	PUNCT
ajst-18344	201	33	damping	damp	VERB
ajst-18344	201	34	structures	structure	NOUN
ajst-18344	201	35	for	for	ADP
ajst-18344	201	36	drilling	drill	VERB
ajst-18344	201	37	work	work	NOUN
ajst-18344	201	38	.	.	PUNCT
ajst-18344	202	1	4	4	X
ajst-18344	202	2	.	.	X
ajst-18344	202	3	conclusion	conclusion	NOUN
ajst-18344	202	4	(	(	PUNCT
ajst-18344	202	5	1	1	X
ajst-18344	202	6	)	)	PUNCT
ajst-18344	202	7	aiming	aim	VERB
ajst-18344	202	8	at	at	ADP
ajst-18344	202	9	problems	problem	NOUN
ajst-18344	202	10	such	such	ADJ
ajst-18344	202	11	as	as	ADP
ajst-18344	202	12	transmission	transmission	NOUN
ajst-18344	202	13	shaft	shaft	NOUN
ajst-18344	202	14	breakage	breakage	NOUN
ajst-18344	202	15	and	and	CCONJ
ajst-18344	202	16	bearing	bear	VERB
ajst-18344	202	17	failure	failure	NOUN
ajst-18344	202	18	caused	cause	VERB
ajst-18344	202	19	by	by	ADP
ajst-18344	202	20	the	the	DET
ajst-18344	202	21	impact	impact	NOUN
ajst-18344	202	22	force	force	NOUN
ajst-18344	202	23	generated	generate	VERB
ajst-18344	202	24	by	by	ADP
ajst-18344	202	25	the	the	DET
ajst-18344	202	26	drill	drill	NOUN
ajst-18344	202	27	bit	bit	NOUN
ajst-18344	202	28	breaking	break	VERB
ajst-18344	202	29	rock	rock	NOUN
ajst-18344	202	30	during	during	ADP
ajst-18344	202	31	the	the	DET
ajst-18344	202	32	use	use	NOUN
ajst-18344	202	33	of	of	ADP
ajst-18344	202	34	pdm	pdm	PROPN
ajst-18344	202	35	,	,	PUNCT
ajst-18344	202	36	a	a	DET
ajst-18344	202	37	vibrationdamping	vibrationdamping	NOUN
ajst-18344	202	38	assembly	assembly	NOUN
ajst-18344	202	39	structure	structure	NOUN
ajst-18344	202	40	with	with	ADP
ajst-18344	202	41	vibration	vibration	NOUN
ajst-18344	202	42	-	-	PUNCT
ajst-18344	202	43	damping	damp	VERB
ajst-18344	202	44	and	and	CCONJ
ajst-18344	202	45	energy	energy	NOUN
ajst-18344	202	46	-	-	PUNCT
ajst-18344	202	47	absorbing	absorb	VERB
ajst-18344	202	48	effects	effect	NOUN
ajst-18344	202	49	was	be	AUX
ajst-18344	202	50	designed	design	VERB
ajst-18344	202	51	.	.	PUNCT
ajst-18344	203	1	the	the	DET
ajst-18344	203	2	vibrationdamping	vibrationdamping	NOUN
ajst-18344	203	3	assembly	assembly	NOUN
ajst-18344	203	4	is	be	AUX
ajst-18344	203	5	used	use	VERB
ajst-18344	203	6	to	to	PART
ajst-18344	203	7	softly	softly	ADV
ajst-18344	203	8	connect	connect	VERB
ajst-18344	203	9	the	the	DET
ajst-18344	203	10	drive	drive	ADJ
ajst-18344	203	11	shaft	shaft	NOUN
ajst-18344	203	12	and	and	CCONJ
ajst-18344	203	13	the	the	DET
ajst-18344	203	14	drill	drill	NOUN
ajst-18344	203	15	bit	bit	NOUN
ajst-18344	203	16	,	,	PUNCT
ajst-18344	203	17	and	and	CCONJ
ajst-18344	203	18	corrosion	corrosion	NOUN
ajst-18344	203	19	-	-	PUNCT
ajst-18344	203	20	resistant	resistant	ADJ
ajst-18344	203	21	and	and	CCONJ
ajst-18344	203	22	hightemperature	hightemperature	NOUN
ajst-18344	203	23	-	-	PUNCT
ajst-18344	203	24	resistant	resistant	ADJ
ajst-18344	203	25	metal	metal	NOUN
ajst-18344	203	26	rubber	rubber	NOUN
ajst-18344	203	27	is	be	AUX
ajst-18344	203	28	used	use	VERB
ajst-18344	203	29	instead	instead	ADV
ajst-18344	203	30	of	of	ADP
ajst-18344	203	31	the	the	DET
ajst-18344	203	32	commonly	commonly	ADV
ajst-18344	203	33	used	use	VERB
ajst-18344	203	34	disc	disc	NOUN
ajst-18344	203	35	springs	spring	NOUN
ajst-18344	203	36	as	as	ADP
ajst-18344	203	37	the	the	DET
ajst-18344	203	38	energy	energy	NOUN
ajst-18344	203	39	-	-	PUNCT
ajst-18344	203	40	absorbing	absorb	VERB
ajst-18344	203	41	material	material	NOUN
ajst-18344	203	42	of	of	ADP
ajst-18344	203	43	the	the	DET
ajst-18344	203	44	vibration	vibration	NOUN
ajst-18344	203	45	-	-	PUNCT
ajst-18344	203	46	damping	damp	VERB
ajst-18344	203	47	assembly	assembly	NOUN
ajst-18344	203	48	,	,	PUNCT
ajst-18344	203	49	making	make	VERB
ajst-18344	203	50	the	the	DET
ajst-18344	203	51	new	new	ADJ
ajst-18344	203	52	vibration	vibration	NOUN
ajst-18344	203	53	-	-	PUNCT
ajst-18344	203	54	damping	damp	VERB
ajst-18344	203	55	drilling	drilling	NOUN
ajst-18344	203	56	tool	tool	NOUN
ajst-18344	203	57	more	more	ADV
ajst-18344	203	58	suitable	suitable	ADJ
ajst-18344	203	59	for	for	ADP
ajst-18344	203	60	harsh	harsh	ADJ
ajst-18344	203	61	drilling	drilling	NOUN
ajst-18344	203	62	environments	environment	NOUN
ajst-18344	203	63	.	.	PUNCT
ajst-18344	204	1	(	(	PUNCT
ajst-18344	204	2	2	2	X
ajst-18344	204	3	)	)	PUNCT
ajst-18344	204	4	combined	combine	VERB
ajst-18344	204	5	with	with	ADP
ajst-18344	204	6	the	the	DET
ajst-18344	204	7	actual	actual	ADJ
ajst-18344	204	8	structure	structure	NOUN
ajst-18344	204	9	of	of	ADP
ajst-18344	204	10	pdm	pdm	PROPN
ajst-18344	204	11	,	,	PUNCT
ajst-18344	204	12	the	the	DET
ajst-18344	204	13	overall	overall	ADJ
ajst-18344	204	14	stress	stress	NOUN
ajst-18344	204	15	of	of	ADP
ajst-18344	204	16	pdm	pdm	PROPN
ajst-18344	204	17	was	be	AUX
ajst-18344	204	18	analyzed	analyze	VERB
ajst-18344	204	19	,	,	PUNCT
ajst-18344	204	20	and	and	CCONJ
ajst-18344	204	21	the	the	DET
ajst-18344	204	22	new	new	ADJ
ajst-18344	204	23	vibration	vibration	NOUN
ajst-18344	204	24	-	-	PUNCT
ajst-18344	204	25	damping	damp	VERB
ajst-18344	204	26	drilling	drilling	NOUN
ajst-18344	204	27	tool	tool	NOUN
ajst-18344	204	28	was	be	AUX
ajst-18344	204	29	simplified	simplify	VERB
ajst-18344	204	30	into	into	ADP
ajst-18344	204	31	three	three	NUM
ajst-18344	204	32	parts	part	NOUN
ajst-18344	204	33	:	:	PUNCT
ajst-18344	204	34	the	the	DET
ajst-18344	204	35	drilling	drilling	NOUN
ajst-18344	204	36	tool	tool	NOUN
ajst-18344	204	37	shell	shell	VERB
ajst-18344	204	38	,	,	PUNCT
ajst-18344	204	39	the	the	DET
ajst-18344	204	40	shaft	shaft	NOUN
ajst-18344	204	41	system	system	NOUN
ajst-18344	204	42	,	,	PUNCT
ajst-18344	204	43	and	and	CCONJ
ajst-18344	204	44	the	the	DET
ajst-18344	204	45	vibration	vibration	NOUN
ajst-18344	204	46	damping	damp	VERB
ajst-18344	204	47	assembly	assembly	NOUN
ajst-18344	204	48	.	.	PUNCT
ajst-18344	205	1	the	the	DET
ajst-18344	205	2	rubber	rubber	NOUN
ajst-18344	205	3	lining	lining	NOUN
ajst-18344	205	4	inside	inside	ADP
ajst-18344	205	5	pdm	pdm	PROPN
ajst-18344	205	6	was	be	AUX
ajst-18344	205	7	the	the	DET
ajst-18344	205	8	set	set	NOUN
ajst-18344	205	9	is	be	AUX
ajst-18344	205	10	simplified	simplify	VERB
ajst-18344	205	11	into	into	ADP
ajst-18344	205	12	a	a	DET
ajst-18344	205	13	spring	spring	NOUN
ajst-18344	205	14	damping	damp	VERB
ajst-18344	205	15	model	model	NOUN
ajst-18344	205	16	,	,	PUNCT
ajst-18344	205	17	and	and	CCONJ
ajst-18344	205	18	a	a	DET
ajst-18344	205	19	simplified	simplified	ADJ
ajst-18344	205	20	dynamic	dynamic	ADJ
ajst-18344	205	21	model	model	NOUN
ajst-18344	205	22	of	of	ADP
ajst-18344	205	23	the	the	DET
ajst-18344	205	24	drilling	drilling	NOUN
ajst-18344	205	25	tool	tool	NOUN
ajst-18344	205	26	is	be	AUX
ajst-18344	205	27	established	establish	VERB
ajst-18344	205	28	,	,	PUNCT
ajst-18344	205	29	and	and	CCONJ
ajst-18344	205	30	the	the	DET
ajst-18344	205	31	relationship	relationship	NOUN
ajst-18344	205	32	between	between	ADP
ajst-18344	205	33	the	the	DET
ajst-18344	205	34	amplitude	amplitude	NOUN
ajst-18344	205	35	ratio	ratio	NOUN
ajst-18344	205	36	of	of	ADP
ajst-18344	205	37	the	the	DET
ajst-18344	205	38	drilling	drilling	NOUN
ajst-18344	205	39	tool	tool	NOUN
ajst-18344	205	40	and	and	CCONJ
ajst-18344	205	41	the	the	DET
ajst-18344	205	42	quality	quality	NOUN
ajst-18344	205	43	,	,	PUNCT
ajst-18344	205	44	stiffness	stiffness	NOUN
ajst-18344	205	45	and	and	CCONJ
ajst-18344	205	46	damping	damp	VERB
ajst-18344	205	47	ratio	ratio	NOUN
ajst-18344	205	48	of	of	ADP
ajst-18344	205	49	the	the	DET
ajst-18344	205	50	drilling	drilling	NOUN
ajst-18344	205	51	tool	tool	NOUN
ajst-18344	205	52	is	be	AUX
ajst-18344	205	53	established	establish	VERB
ajst-18344	205	54	.	.	PUNCT
ajst-18344	206	1	provide	provide	VERB
ajst-18344	206	2	a	a	DET
ajst-18344	206	3	theoretical	theoretical	ADJ
ajst-18344	206	4	basis	basis	NOUN
ajst-18344	206	5	for	for	ADP
ajst-18344	206	6	subsequent	subsequent	ADJ
ajst-18344	206	7	metal	metal	NOUN
ajst-18344	206	8	rubber	rubber	NOUN
ajst-18344	206	9	size	size	NOUN
ajst-18344	206	10	design	design	NOUN
ajst-18344	206	11	.	.	PUNCT
ajst-18344	207	1	(	(	PUNCT
ajst-18344	207	2	3	3	X
ajst-18344	207	3	)	)	PUNCT
ajst-18344	207	4	design	design	VERB
ajst-18344	207	5	the	the	DET
ajst-18344	207	6	metal	metal	NOUN
ajst-18344	207	7	rubber	rubber	NOUN
ajst-18344	207	8	size	size	NOUN
ajst-18344	207	9	required	require	VERB
ajst-18344	207	10	for	for	ADP
ajst-18344	207	11	the	the	DET
ajst-18344	207	12	vibration	vibration	NOUN
ajst-18344	207	13	damping	damp	VERB
ajst-18344	207	14	assembly	assembly	NOUN
ajst-18344	207	15	.	.	PUNCT
ajst-18344	208	1	combined	combine	VERB
ajst-18344	208	2	with	with	ADP
ajst-18344	208	3	the	the	DET
ajst-18344	208	4	stress	stress	NOUN
ajst-18344	208	5	-	-	PUNCT
ajst-18344	208	6	strain	strain	NOUN
ajst-18344	208	7	curve	curve	NOUN
ajst-18344	208	8	of	of	ADP
ajst-18344	208	9	cr18ni9ti	cr18ni9ti	NOUN
ajst-18344	208	10	metal	metal	NOUN
ajst-18344	208	11	rubber	rubber	NOUN
ajst-18344	208	12	,	,	PUNCT
ajst-18344	208	13	calculate	calculate	VERB
ajst-18344	208	14	the	the	DET
ajst-18344	208	15	average	average	ADJ
ajst-18344	208	16	stiffness	stiffness	NOUN
ajst-18344	208	17	and	and	CCONJ
ajst-18344	208	18	damping	damp	VERB
ajst-18344	208	19	within	within	ADP
ajst-18344	208	20	the	the	DET
ajst-18344	208	21	designed	design	VERB
ajst-18344	208	22	compression	compression	NOUN
ajst-18344	208	23	range	range	NOUN
ajst-18344	208	24	,	,	PUNCT
ajst-18344	208	25	and	and	CCONJ
ajst-18344	208	26	bring	bring	VERB
ajst-18344	208	27	it	it	PRON
ajst-18344	208	28	into	into	ADP
ajst-18344	208	29	the	the	DET
ajst-18344	208	30	drilling	drilling	NOUN
ajst-18344	208	31	tool	tool	NOUN
ajst-18344	208	32	vibration	vibration	NOUN
ajst-18344	208	33	model	model	NOUN
ajst-18344	208	34	to	to	PART
ajst-18344	208	35	check	check	VERB
ajst-18344	208	36	the	the	DET
ajst-18344	208	37	new	new	ADJ
ajst-18344	208	38	vibration	vibration	NOUN
ajst-18344	208	39	damping	damp	VERB
ajst-18344	208	40	whether	whether	SCONJ
ajst-18344	208	41	the	the	DET
ajst-18344	208	42	drilling	drilling	NOUN
ajst-18344	208	43	tool	tool	NOUN
ajst-18344	208	44	will	will	AUX
ajst-18344	208	45	produce	produce	VERB
ajst-18344	208	46	resonance	resonance	NOUN
ajst-18344	208	47	within	within	ADP
ajst-18344	208	48	the	the	DET
ajst-18344	208	49	working	work	VERB
ajst-18344	208	50	penetration	penetration	NOUN
ajst-18344	208	51	speed	speed	NOUN
ajst-18344	208	52	.	.	PUNCT
ajst-18344	209	1	a	a	DET
ajst-18344	209	2	model	model	NOUN
ajst-18344	209	3	was	be	AUX
ajst-18344	209	4	established	establish	VERB
ajst-18344	209	5	in	in	ADP
ajst-18344	209	6	finite	finite	ADJ
ajst-18344	209	7	element	element	NOUN
ajst-18344	209	8	software	software	NOUN
ajst-18344	209	9	to	to	PART
ajst-18344	209	10	compare	compare	VERB
ajst-18344	209	11	and	and	CCONJ
ajst-18344	209	12	analyze	analyze	VERB
ajst-18344	209	13	the	the	DET
ajst-18344	209	14	vibration	vibration	NOUN
ajst-18344	209	15	damping	damp	VERB
ajst-18344	209	16	effect	effect	NOUN
ajst-18344	209	17	of	of	ADP
ajst-18344	209	18	the	the	DET
ajst-18344	209	19	new	new	ADJ
ajst-18344	209	20	vibration	vibration	NOUN
ajst-18344	209	21	-	-	PUNCT
ajst-18344	209	22	damping	damp	VERB
ajst-18344	209	23	drilling	drilling	NOUN
ajst-18344	209	24	tool	tool	NOUN
ajst-18344	209	25	under	under	ADP
ajst-18344	209	26	different	different	ADJ
ajst-18344	209	27	working	work	VERB
ajst-18344	209	28	conditions	condition	NOUN
ajst-18344	209	29	.	.	PUNCT
ajst-18344	210	1	from	from	ADP
ajst-18344	210	2	the	the	DET
ajst-18344	210	3	simulation	simulation	NOUN
ajst-18344	210	4	results	result	NOUN
ajst-18344	210	5	,	,	PUNCT
ajst-18344	210	6	it	it	PRON
ajst-18344	210	7	can	can	AUX
ajst-18344	210	8	be	be	AUX
ajst-18344	210	9	concluded	conclude	VERB
ajst-18344	210	10	that	that	SCONJ
ajst-18344	210	11	in	in	ADP
ajst-18344	210	12	the	the	DET
ajst-18344	210	13	common	common	ADJ
ajst-18344	210	14	working	working	NOUN
ajst-18344	210	15	environment	environment	NOUN
ajst-18344	210	16	of	of	ADP
ajst-18344	210	17	6	6	NUM
ajst-18344	210	18	-	-	SYM
ajst-18344	210	19	15	15	NUM
ajst-18344	210	20	hz	hz	NOUN
ajst-18344	210	21	,	,	PUNCT
ajst-18344	210	22	the	the	DET
ajst-18344	210	23	new	new	ADJ
ajst-18344	210	24	vibrationdamping	vibrationdamping	NOUN
ajst-18344	210	25	drilling	drilling	NOUN
ajst-18344	210	26	tool	tool	NOUN
ajst-18344	210	27	can	can	AUX
ajst-18344	210	28	effectively	effectively	ADV
ajst-18344	210	29	reduce	reduce	VERB
ajst-18344	210	30	the	the	DET
ajst-18344	210	31	impact	impact	NOUN
ajst-18344	210	32	force	force	NOUN
ajst-18344	210	33	on	on	ADP
ajst-18344	210	34	the	the	DET
ajst-18344	210	35	drilling	drilling	NOUN
ajst-18344	210	36	tool	tool	NOUN
ajst-18344	210	37	,	,	PUNCT
ajst-18344	210	38	and	and	CCONJ
ajst-18344	210	39	the	the	DET
ajst-18344	210	40	vibration	vibration	NOUN
ajst-18344	210	41	damping	damp	VERB
ajst-18344	210	42	effect	effect	NOUN
ajst-18344	210	43	of	of	ADP
ajst-18344	210	44	lowfrequency	lowfrequency	NOUN
ajst-18344	210	45	impact	impact	NOUN
ajst-18344	210	46	can	can	AUX
ajst-18344	210	47	reach	reach	VERB
ajst-18344	210	48	80%-90	80%-90	NUM
ajst-18344	210	49	%	%	NOUN
ajst-18344	210	50	.	.	PUNCT
ajst-18344	211	1	the	the	DET
ajst-18344	211	2	vibration	vibration	NOUN
ajst-18344	211	3	effect	effect	NOUN
ajst-18344	211	4	is	be	AUX
ajst-18344	211	5	average	average	ADJ
ajst-18344	211	6	;	;	PUNCT
ajst-18344	211	7	but	but	CCONJ
ajst-18344	211	8	at	at	ADP
ajst-18344	211	9	higher	high	ADJ
ajst-18344	211	10	frequencies	frequency	NOUN
ajst-18344	211	11	,	,	PUNCT
ajst-18344	211	12	it	it	PRON
ajst-18344	211	13	can	can	AUX
ajst-18344	211	14	reduce	reduce	VERB
ajst-18344	211	15	the	the	DET
ajst-18344	211	16	impact	impact	NOUN
ajst-18344	211	17	152	152	NUM
ajst-18344	211	18	force	force	NOUN
ajst-18344	211	19	by	by	ADP
ajst-18344	211	20	about	about	ADV
ajst-18344	211	21	40	40	NUM
ajst-18344	211	22	%	%	NOUN
ajst-18344	211	23	,	,	PUNCT
ajst-18344	211	24	which	which	PRON
ajst-18344	211	25	can	can	AUX
ajst-18344	211	26	effectively	effectively	ADV
ajst-18344	211	27	avoid	avoid	VERB
ajst-18344	211	28	damage	damage	NOUN
ajst-18344	211	29	to	to	ADP
ajst-18344	211	30	drilling	drilling	NOUN
ajst-18344	211	31	tools	tool	NOUN
ajst-18344	211	32	by	by	ADP
ajst-18344	211	33	high	high	ADJ
ajst-18344	211	34	-	-	PUNCT
ajst-18344	211	35	frequency	frequency	NOUN
ajst-18344	211	36	impact	impact	NOUN
ajst-18344	211	37	forces	force	NOUN
ajst-18344	211	38	and	and	CCONJ
ajst-18344	211	39	prevent	prevent	VERB
ajst-18344	211	40	failure	failure	NOUN
ajst-18344	211	41	of	of	ADP
ajst-18344	211	42	drilling	drilling	NOUN
ajst-18344	211	43	tools	tool	NOUN
ajst-18344	211	44	caused	cause	VERB
ajst-18344	211	45	by	by	ADP
ajst-18344	211	46	impact	impact	NOUN
ajst-18344	211	47	.	.	PUNCT
ajst-18344	212	1	references	reference	NOUN
ajst-18344	212	2	[	[	X
ajst-18344	212	3	1	1	NUM
ajst-18344	212	4	]	]	PUNCT
ajst-18344	212	5	finnie	finnie	NOUN
ajst-18344	212	6	i	i	PROPN
ajst-18344	212	7	,	,	PUNCT
ajst-18344	212	8	bailey	bailey	PROPN
ajst-18344	212	9	j.	j.	PROPN
ajst-18344	212	10	an	an	DET
ajst-18344	212	11	experimental	experimental	ADJ
ajst-18344	212	12	study	study	NOUN
ajst-18344	212	13	of	of	ADP
ajst-18344	212	14	drill	drill	NOUN
ajst-18344	212	15	sting	ste	VERB
ajst-18344	212	16	vibration	vibration	NOUN
ajst-18344	212	17	.j	.j	PROPN
ajst-18344	212	18	.	.	PUNCT
ajst-18344	213	1	of	of	ADP
ajst-18344	213	2	engr	engr	NOUN
ajst-18344	213	3	.	.	PUNCT
ajst-18344	214	1	for	for	ADP
ajst-18344	214	2	industry	industry	NOUN
ajst-18344	214	3	,	,	PUNCT
ajst-18344	214	4	tran	tran	PROPN
ajst-18344	215	1	[	[	X
ajst-18344	215	2	j].ofthe	j].ofthe	DET
ajst-18344	215	3	asy	asy	PROPN
ajst-18344	215	4	1960	1960	NUM
ajst-18344	215	5	,	,	PUNCT
ajst-18344	215	6	82(13):117	82(13):117	NUM
ajst-18344	215	7	-	-	SYM
ajst-18344	215	8	121	121	NUM
ajst-18344	215	9	.	.	PUNCT
ajst-18344	216	1	[	[	X
ajst-18344	216	2	2	2	NUM
ajst-18344	216	3	]	]	SYM
ajst-18344	216	4	bailey	bailey	PROPN
ajst-18344	216	5	j	j	PROPN
ajst-18344	216	6	,	,	PUNCT
ajst-18344	216	7	finnie	finnie	PROPN
ajst-18344	216	8	i.	i.	PROPN
ajst-18344	216	9	an	an	DET
ajst-18344	216	10	analytical	analytical	ADJ
ajst-18344	216	11	study	study	NOUN
ajst-18344	216	12	of	of	ADP
ajst-18344	216	13	drill	drill	NOUN
ajst-18344	216	14	string	string	NOUN
ajst-18344	216	15	vibration.j	vibration.j	PROPN
ajst-18344	216	16	.	.	PUNCT
ajst-18344	216	17	of	of	ADP
ajst-18344	216	18	engr	engr	NOUN
ajst-18344	216	19	.	.	PUNCT
ajst-18344	217	1	for	for	ADP
ajst-18344	217	2	industry	industry	NOUN
ajst-18344	217	3	,	,	PUNCT
ajst-18344	217	4	tran[j].of	tran[j].of	PROPN
ajst-18344	217	5	the	the	DET
ajst-18344	217	6	asme	asme	PROPN
ajst-18344	217	7	,	,	PUNCT
ajst-18344	217	8	may	may	AUX
ajst-18344	217	9	1960	1960	NUM
ajst-18344	217	10	,	,	PUNCT
ajst-18344	217	11	82(13):122	82(13):122	NUM
ajst-18344	217	12	-	-	SYM
ajst-18344	217	13	128	128	NUM
ajst-18344	217	14	.	.	PUNCT
ajst-18344	218	1	[	[	X
ajst-18344	218	2	3	3	X
ajst-18344	218	3	]	]	X
ajst-18344	218	4	skaogen	skaogen	NOUN
ajst-18344	218	5	e	e	NOUN
ajst-18344	218	6	;	;	PUNCT
ajst-18344	218	7	kyllingstad	kyllingstad	PROPN
ajst-18344	218	8	a.	a.	NOUN
ajst-18344	218	9	performance	performance	NOUN
ajst-18344	218	10	testing	testing	NOUN
ajst-18344	218	11	of	of	ADP
ajst-18344	218	12	shock	shock	NOUN
ajst-18344	218	13	absorbers	absorber	NOUN
ajst-18344	218	14	[	[	X
ajst-18344	218	15	c	c	X
ajst-18344	218	16	]	]	PUNCT
ajst-18344	218	17	.	.	PUNCT
ajst-18344	219	1	spe	spe	PROPN
ajst-18344	219	2	15561	15561	NUM
ajst-18344	219	3	;	;	PUNCT
ajst-18344	219	4	1986	1986	NUM
ajst-18344	219	5	.	.	PUNCT
ajst-18344	220	1	[	[	X
ajst-18344	220	2	4	4	X
ajst-18344	220	3	]	]	X
ajst-18344	220	4	liu	liu	PROPN
ajst-18344	220	5	ju	ju	PROPN
ajst-18344	220	6	bao	bao	PROPN
ajst-18344	220	7	;	;	PUNCT
ajst-18344	220	8	zhang	zhang	PROPN
ajst-18344	220	9	xue	xue	PROPN
ajst-18344	220	10	hong	hong	PROPN
ajst-18344	220	11	.	.	PUNCT
ajst-18344	221	1	calculation	calculation	NOUN
ajst-18344	221	2	of	of	ADP
ajst-18344	221	3	the	the	DET
ajst-18344	221	4	optimal	optimal	ADJ
ajst-18344	221	5	placement	placement	NOUN
ajst-18344	221	6	position	position	NOUN
ajst-18344	221	7	of	of	ADP
ajst-18344	221	8	shock	shock	NOUN
ajst-18344	221	9	absorbers	absorber	NOUN
ajst-18344	221	10	in	in	ADP
ajst-18344	221	11	deep	deep	ADJ
ajst-18344	221	12	well	well	ADV
ajst-18344	221	13	drill	drill	NOUN
ajst-18344	221	14	strings[j	strings[j	PROPN
ajst-18344	221	15	]	]	PUNCT
ajst-18344	221	16	.	.	PUNCT
ajst-18344	221	17	natural	natural	ADJ
ajst-18344	221	18	gas	gas	NOUN
ajst-18344	221	19	industry	industry	NOUN
ajst-18344	221	20	;	;	PUNCT
ajst-18344	221	21	1997	1997	NUM
ajst-18344	221	22	;	;	PUNCT
ajst-18344	221	23	17(5	17(5	NUM
ajst-18344	221	24	):	):	PUNCT
ajst-18344	221	25	44	44	NUM
ajst-18344	221	26	-	-	SYM
ajst-18344	221	27	48	48	NUM
ajst-18344	221	28	.	.	PUNCT
ajst-18344	222	1	[	[	X
ajst-18344	222	2	5	5	X
ajst-18344	222	3	]	]	PUNCT
ajst-18344	222	4	wassell	wassell	VERB
ajst-18344	222	5	me	i	PRON
ajst-18344	222	6	;	;	PUNCT
ajst-18344	222	7	cobern	cobern	ADJ
ajst-18344	222	8	me	i	PRON
ajst-18344	222	9	;	;	PUNCT
ajst-18344	222	10	saheta	saheta	ADJ
ajst-18344	222	11	v.	v.	ADP
ajst-18344	222	12	active	active	ADJ
ajst-18344	222	13	vibration	vibration	NOUN
ajst-18344	222	14	damper	damper	NOUN
ajst-18344	222	15	improves	improve	VERB
ajst-18344	222	16	performance	performance	NOUN
ajst-18344	222	17	and	and	CCONJ
ajst-18344	222	18	reduces	reduce	VERB
ajst-18344	222	19	drilling	drilling	NOUN
ajst-18344	222	20	costs	cost	NOUN
ajst-18344	222	21	[	[	X
ajst-18344	222	22	j	j	X
ajst-18344	222	23	]	]	X
ajst-18344	222	24	.	.	PUNCT
ajst-18344	223	1	world	world	PROPN
ajst-18344	223	2	oil	oil	NOUN
ajst-18344	223	3	;	;	PUNCT
ajst-18344	223	4	2008:108	2008:108	NUM
ajst-18344	223	5	-	-	SYM
ajst-18344	223	6	111	111	NUM
ajst-18344	223	7	.	.	PUNCT
ajst-18344	224	1	[	[	X
ajst-18344	224	2	6	6	NUM
ajst-18344	224	3	]	]	SYM
ajst-18344	224	4	li	li	PROPN
ajst-18344	224	5	zi	zi	PROPN
ajst-18344	224	6	feng	feng	PROPN
ajst-18344	224	7	.	.	PUNCT
ajst-18344	225	1	mechanics	mechanic	NOUN
ajst-18344	225	2	and	and	CCONJ
ajst-18344	225	3	application	application	NOUN
ajst-18344	225	4	of	of	ADP
ajst-18344	225	5	oil	oil	NOUN
ajst-18344	225	6	and	and	CCONJ
ajst-18344	225	7	gas	gas	NOUN
ajst-18344	225	8	well	well	NOUN
ajst-18344	225	9	rod	rod	NOUN
ajst-18344	225	10	strings	string	NOUN
ajst-18344	225	11	[	[	X
ajst-18344	225	12	m	m	X
ajst-18344	225	13	]	]	X
ajst-18344	225	14	.	.	PUNCT
ajst-18344	226	1	beijing	beijing	PROPN
ajst-18344	226	2	:	:	PUNCT
ajst-18344	226	3	petroleum	petroleum	NOUN
ajst-18344	226	4	industry	industry	NOUN
ajst-18344	226	5	press	press	NOUN
ajst-18344	226	6	;	;	PUNCT
ajst-18344	226	7	2008	2008	NUM
ajst-18344	226	8	.	.	PUNCT
ajst-18344	227	1	[	[	X
ajst-18344	227	2	7	7	X
ajst-18344	227	3	]	]	X
ajst-18344	227	4	zhang	zhang	PROPN
ajst-18344	227	5	xiao	xiao	PROPN
ajst-18344	227	6	-	-	PUNCT
ajst-18344	227	7	dong	dong	PROPN
ajst-18344	227	8	;	;	PUNCT
ajst-18344	227	9	li	li	PROPN
ajst-18344	227	10	jun	jun	PROPN
ajst-18344	227	11	;	;	PUNCT
ajst-18344	227	12	liang	liang	PROPN
ajst-18344	227	13	hong	hong	PROPN
ajst-18344	227	14	-	-	PUNCT
ajst-18344	227	15	jun	jun	PROPN
ajst-18344	227	16	.	.	PROPN
ajst-18344	227	17	influence	influence	NOUN
ajst-18344	227	18	ofshock	ofshock	NOUN
ajst-18344	227	19	absorber	absorber	NOUN
ajst-18344	227	20	installation	installation	NOUN
ajst-18344	227	21	position	position	NOUN
ajst-18344	227	22	on	on	ADP
ajst-18344	227	23	the	the	DET
ajst-18344	227	24	drill	drill	NOUN
ajst-18344	227	25	string	string	NOUN
ajst-18344	227	26	longitudinal	longitudinal	ADJ
ajst-18344	227	27	vibration	vibration	NOUN
ajst-18344	227	28	[	[	X
ajst-18344	227	29	j	j	X
ajst-18344	227	30	]	]	X
ajst-18344	227	31	.	.	PUNCT
ajst-18344	228	1	journal	journal	PROPN
ajst-18344	228	2	of	of	ADP
ajst-18344	228	3	southwest	southwest	PROPN
ajst-18344	228	4	petroleum	petroleum	NOUN
ajst-18344	228	5	university	university	NOUN
ajst-18344	228	6	;	;	PUNCT
ajst-18344	228	7	2007	2007	NUM
ajst-18344	228	8	;	;	PUNCT
ajst-18344	228	9	29(3):146	29(3):146	NUM
ajst-18344	228	10	-	-	SYM
ajst-18344	228	11	149	149	NUM
ajst-18344	228	12	.	.	PUNCT
ajst-18344	229	1	[	[	X
ajst-18344	229	2	8	8	NUM
ajst-18344	229	3	]	]	X
ajst-18344	229	4	yan	yan	PROPN
ajst-18344	229	5	hui	hui	PROPN
ajst-18344	229	6	,	,	PUNCT
ajst-18344	229	7	jiang	jiang	PROPN
ajst-18344	229	8	hong	hong	PROPN
ajst-18344	229	9	yuan	yuan	PROPN
ajst-18344	229	10	,	,	PUNCT
ajst-18344	229	11	li	li	PROPN
ajst-18344	229	12	guixian	guixian	PROPN
ajst-18344	229	13	,	,	PUNCT
ajst-18344	229	14	et	et	PROPN
ajst-18344	229	15	al	al	PROPN
ajst-18344	229	16	.	.	PUNCT
ajst-18344	229	17	static	static	ADJ
ajst-18344	229	18	experimental	experimental	ADJ
ajst-18344	229	19	research	research	NOUN
ajst-18344	229	20	of	of	ADP
ajst-18344	229	21	mechanical	mechanical	ADJ
ajst-18344	229	22	characteristics	characteristic	NOUN
ajst-18344	229	23	of	of	ADP
ajst-18344	229	24	metal	metal	NOUN
ajst-18344	229	25	rubber	rubber	NOUN
ajst-18344	229	26	under	under	ADP
ajst-18344	229	27	spatial	spatial	ADJ
ajst-18344	229	28	loading	loading	NOUN
ajst-18344	229	29	[	[	X
ajst-18344	229	30	j	j	X
ajst-18344	229	31	]	]	X
ajst-18344	229	32	.	.	PUNCT
ajst-18344	230	1	functional	functional	ADJ
ajst-18344	230	2	materials	material	NOUN
ajst-18344	230	3	,	,	PUNCT
ajst-18344	230	4	2005	2005	NUM
ajst-18344	230	5	(	(	PUNCT
ajst-18344	230	6	06	06	NUM
ajst-18344	230	7	):	):	PUNCT
ajst-18344	230	8	937	937	NUM
ajst-18344	230	9	-	-	SYM
ajst-18344	230	10	939	939	NUM
ajst-18344	230	11	+	+	NOUN
ajst-18344	230	12	944	944	NUM
ajst-18344	230	13	.	.	PUNCT
ajst-18344	231	1	[	[	X
ajst-18344	231	2	9	9	NUM
ajst-18344	231	3	]	]	X
ajst-18344	231	4	liang	liang	PROPN
ajst-18344	231	5	rui	rui	PROPN
ajst-18344	231	6	jun	jun	PROPN
ajst-18344	231	7	,	,	PUNCT
ajst-18344	231	8	hao	hao	PROPN
ajst-18344	231	9	wenlong	wenlong	PROPN
ajst-18344	231	10	,	,	PUNCT
ajst-18344	231	11	chen	chen	PROPN
ajst-18344	231	12	weifang	weifang	PROPN
ajst-18344	231	13	.	.	PUNCT
ajst-18344	232	1	review	review	NOUN
ajst-18344	232	2	on	on	ADP
ajst-18344	232	3	mechanical	mechanical	ADJ
ajst-18344	232	4	properties	property	NOUN
ajst-18344	232	5	and	and	CCONJ
ajst-18344	232	6	applications	application	NOUN
ajst-18344	232	7	of	of	ADP
ajst-18344	232	8	metal	metal	NOUN
ajst-18344	232	9	rubber[j	rubber[j	NOUN
ajst-18344	232	10	]	]	PUNCT
ajst-18344	232	11	.	.	PUNCT
ajst-18344	233	1	journal	journal	PROPN
ajst-18344	233	2	of	of	ADP
ajst-18344	233	3	central	central	PROPN
ajst-18344	233	4	south	south	PROPN
ajst-18344	233	5	university(science	university(science	PROPN
ajst-18344	233	6	and	and	CCONJ
ajst-18344	233	7	technology	technology	NOUN
ajst-18344	233	8	)	)	PUNCT
ajst-18344	233	9	,	,	PUNCT
ajst-18344	233	10	2023	2023	NUM
ajst-18344	233	11	,	,	PUNCT
ajst-18344	233	12	54(1	54(1	NUM
ajst-18344	233	13	):	):	PUNCT
ajst-18344	233	14	36−52	36−52	NOUN
ajst-18344	233	15	.	.	PUNCT
ajst-18344	234	1	[	[	X
ajst-18344	234	2	10	10	NUM
ajst-18344	234	3	]	]	PUNCT
ajst-18344	234	4	deily	deily	ADV
ajst-18344	234	5	fh	fh	PROPN
ajst-18344	234	6	,	,	PUNCT
ajst-18344	234	7	dareing	dare	VERB
ajst-18344	234	8	dw	dw	NOUN
ajst-18344	234	9	,	,	PUNCT
ajst-18344	234	10	paff	paff	PROPN
ajst-18344	234	11	gh	gh	PROPN
ajst-18344	234	12	,	,	PUNCT
ajst-18344	234	13	et	et	NOUN
ajst-18344	234	14	al.downhole	al.downhole	ADJ
ajst-18344	234	15	measurements	measurement	NOUN
ajst-18344	234	16	of	of	ADP
ajst-18344	234	17	drill	drill	NOUN
ajst-18344	234	18	string	string	NOUN
ajst-18344	234	19	forces	force	NOUN
ajst-18344	234	20	and	and	CCONJ
ajst-18344	234	21	motions[j].journal	motions[j].journal	ADJ
ajst-18344	234	22	of	of	ADP
ajst-18344	234	23	engineering	engineering	NOUN
ajst-18344	234	24	for	for	ADP
ajst-18344	234	25	industry	industry	NOUN
ajst-18344	234	26	,	,	PUNCT
ajst-18344	234	27	1968	1968	NUM
ajst-18344	234	28	,	,	PUNCT
ajst-18344	234	29	90(2):217225.doi:10.1115/1.3604617	90(2):217225.doi:10.1115/1.3604617	NOUN
ajst-18344	234	30	.	.	PUNCT
ajst-18344	235	1	[	[	X
ajst-18344	235	2	11	11	NUM
ajst-18344	235	3	]	]	X
ajst-18344	235	4	liu	liu	PROPN
ajst-18344	235	5	jin	jin	PROPN
ajst-18344	235	6	tian	tian	PROPN
ajst-18344	235	7	.	.	PUNCT
ajst-18344	236	1	vibration	vibration	NOUN
ajst-18344	236	2	analysis	analysis	NOUN
ajst-18344	236	3	and	and	CCONJ
ajst-18344	236	4	calculation	calculation	NOUN
ajst-18344	236	5	of	of	ADP
ajst-18344	236	6	the	the	DET
ajst-18344	236	7	lower	low	ADJ
ajst-18344	236	8	drill	drill	NOUN
ajst-18344	236	9	string	string	NOUN
ajst-18344	237	1	[	[	X
ajst-18344	237	2	j	j	X
ajst-18344	237	3	]	]	X
ajst-18344	237	4	.	.	PUNCT
ajst-18344	238	1	petroleum	petroleum	NOUN
ajst-18344	238	2	mine	mine	PROPN
ajst-18344	238	3	machinery	machinery	NOUN
ajst-18344	238	4	,	,	PUNCT
ajst-18344	238	5	2013	2013	NUM
ajst-18344	238	6	,	,	PUNCT
ajst-18344	238	7	42(03	42(03	NOUN
ajst-18344	238	8	):	):	PUNCT
ajst-18344	238	9	5054	5054	NUM
ajst-18344	238	10	.	.	PUNCT
ajst-18344	239	1	[	[	X
ajst-18344	239	2	12	12	NUM
ajst-18344	239	3	]	]	PUNCT
ajst-18344	239	4	yu	yu	PROPN
ajst-18344	239	5	hui	hui	PROPN
ajst-18344	239	6	jie	jie	PROPN
ajst-18344	239	7	,	,	PUNCT
ajst-18344	239	8	liu	liu	PROPN
ajst-18344	239	9	wenhui	wenhui	PROPN
ajst-18344	239	10	,	,	PUNCT
ajst-18344	239	11	wang	wang	PROPN
ajst-18344	239	12	yasu	yasu	PROPN
ajst-18344	239	13	.	.	PUNCT
ajst-18344	239	14	research	research	NOUN
ajst-18344	239	15	on	on	ADP
ajst-18344	239	16	stiffness	stiffness	ADJ
ajst-18344	239	17	characteristics	characteristic	NOUN
ajst-18344	239	18	and	and	CCONJ
ajst-18344	239	19	mechanics	mechanic	NOUN
ajst-18344	239	20	model	model	NOUN
ajst-18344	239	21	of	of	ADP
ajst-18344	239	22	metal	metal	NOUN
ajst-18344	239	23	rubbers	rubber	NOUN
ajst-18344	239	24	[	[	X
ajst-18344	239	25	j	j	X
ajst-18344	239	26	]	]	X
ajst-18344	239	27	.	.	PUNCT
ajst-18344	240	1	china	china	PROPN
ajst-18344	240	2	mechanical	mechanical	ADJ
ajst-18344	240	3	engineering	engineering	PROPN
ajst-18344	240	4	,	,	PUNCT
ajst-18344	240	5	2016	2016	NUM
ajst-18344	240	6	,	,	PUNCT
ajst-18344	240	7	27(23	27(23	NOUN
ajst-18344	240	8	):	):	PUNCT
ajst-18344	240	9	3167	3167	NUM
ajst-18344	240	10	-	-	SYM
ajst-18344	240	11	3171	3171	NUM
ajst-18344	240	12	.	.	PUNCT
ajst-18344	241	1	[	[	X
ajst-18344	241	2	13	13	NUM
ajst-18344	241	3	]	]	X
ajst-18344	241	4	ren	ren	PROPN
ajst-18344	241	5	zl	zl	PROPN
ajst-18344	241	6	,	,	PUNCT
ajst-18344	241	7	zhao	zhao	PROPN
ajst-18344	241	8	x	x	PROPN
ajst-18344	241	9	,	,	PUNCT
ajst-18344	241	10	xue	xue	PROPN
ajst-18344	241	11	x	x	PROPN
ajst-18344	241	12	,	,	PUNCT
ajst-18344	241	13	et	et	PROPN
ajst-18344	241	14	al	al	PROPN
ajst-18344	241	15	.	.	PUNCT
ajst-18344	241	16	energy	energy	NOUN
ajst-18344	241	17	dissipation	dissipation	NOUN
ajst-18344	241	18	mechanism	mechanism	NOUN
ajst-18344	241	19	of	of	ADP
ajst-18344	241	20	ring	ring	NOUN
ajst-18344	241	21	-	-	PUNCT
ajst-18344	241	22	shaped	shape	VERB
ajst-18344	241	23	metal	metal	NOUN
ajst-18344	241	24	rubber	rubber	NOUN
ajst-18344	241	25	damper	damper	NOUN
ajst-18344	241	26	in	in	ADP
ajst-18344	241	27	radial	radial	ADJ
ajst-18344	241	28	direction[j	direction[j	NOUN
ajst-18344	241	29	]	]	PUNCT
ajst-18344	241	30	.	.	PUNCT
ajst-18344	241	31	ordnance	ordnance	NOUN
ajst-18344	241	32	material	material	NOUN
ajst-18344	241	33	science	science	NOUN
ajst-18344	241	34	and	and	CCONJ
ajst-18344	241	35	engineering	engineering	NOUN
ajst-18344	241	36	,	,	PUNCT
ajst-18344	241	37	2021	2021	NUM
ajst-18344	241	38	,	,	PUNCT
ajst-18344	241	39	44(5	44(5	NUM
ajst-18344	241	40	):	):	PUNCT
ajst-18344	241	41	17	17	NUM
ajst-18344	241	42	-	-	SYM
ajst-18344	241	43	22	22	NUM
ajst-18344	241	44	(	(	PUNCT
ajst-18344	241	45	in	in	ADP
ajst-18344	241	46	chinese	chinese	PROPN
ajst-18344	241	47	)	)	PUNCT
ajst-18344	242	1	[	[	X
ajst-18344	242	2	14	14	NUM
ajst-18344	242	3	]	]	X
ajst-18344	242	4	ren	ren	PROPN
ajst-18344	242	5	fei	fei	PROPN
ajst-18344	242	6	,	,	PUNCT
ajst-18344	242	7	wang	wang	PROPN
ajst-18344	242	8	de	de	PROPN
ajst-18344	242	9	xi	xi	PROPN
ajst-18344	242	10	,	,	PUNCT
ajst-18344	242	11	shi	shi	PROPN
ajst-18344	242	12	guiqin	guiqin	PROPN
ajst-18344	242	13	,	,	PUNCT
ajst-18344	242	14	etc	etc	X
ajst-18344	242	15	.	.	X
ajst-18344	242	16	dynamic	dynamic	ADJ
ajst-18344	242	17	simulation	simulation	NOUN
ajst-18344	242	18	and	and	CCONJ
ajst-18344	242	19	fault	fault	VERB
ajst-18344	242	20	characteristics	characteristic	VERB
ajst-18344	242	21	analysis	analysis	NOUN
ajst-18344	242	22	of	of	ADP
ajst-18344	242	23	double	double	ADJ
ajst-18344	242	24	-	-	PUNCT
ajst-18344	242	25	ring	ring	NOUN
ajst-18344	242	26	herringbone	herringbone	PROPN
ajst-18344	242	27	planetary	planetary	ADJ
ajst-18344	242	28	gear	gear	NOUN
ajst-18344	242	29	transmission	transmission	NOUN
ajst-18344	242	30	system	system	NOUN
ajst-18344	242	31	based	base	VERB
ajst-18344	242	32	on	on	ADP
ajst-18344	242	33	adams	adams	PROPN
ajst-18344	242	34	[	[	X
ajst-18344	242	35	j	j	X
ajst-18344	242	36	]	]	X
ajst-18344	242	37	.	.	PUNCT
ajst-18344	243	1	journal	journal	PROPN
ajst-18344	243	2	of	of	ADP
ajst-18344	243	3	henan	henan	PROPN
ajst-18344	243	4	university	university	PROPN
ajst-18344	243	5	of	of	ADP
ajst-18344	243	6	science	science	NOUN
ajst-18344	243	7	and	and	CCONJ
ajst-18344	243	8	technology	technology	NOUN
ajst-18344	243	9	(	(	PUNCT
ajst-18344	243	10	natural	natural	ADJ
ajst-18344	243	11	science	science	NOUN
ajst-18344	243	12	edition	edition	NOUN
ajst-18344	243	13	)	)	PUNCT
ajst-18344	243	14	,	,	PUNCT
ajst-18344	243	15	2022	2022	NUM
ajst-18344	243	16	,	,	PUNCT
ajst-18344	243	17	41(01	41(01	NUM
ajst-18344	243	18	):	):	PUNCT
ajst-18344	243	19	114121.doi:10.16186	114121.doi:10.16186	NUM
ajst-18344	243	20	/	/	SYM
ajst-18344	243	21	j.cnki.1673	j.cnki.1673	NOUN
ajst-18344	243	22	-	-	PUNCT
ajst-18344	243	23	9787.2021060087	9787.2021060087	PROPN
ajst-18344	243	24	.	.	PUNCT