id	sid	tid	token	lemma	pos
ajst-19313	1	1	academic	academic	ADJ
ajst-19313	1	2	journal	journal	NOUN
ajst-19313	1	3	of	of	ADP
ajst-19313	1	4	science	science	NOUN
ajst-19313	1	5	and	and	CCONJ
ajst-19313	1	6	technology	technology	NOUN
ajst-19313	1	7	issn	issn	NOUN
ajst-19313	1	8	:	:	PUNCT
ajst-19313	1	9	2771	2771	NUM
ajst-19313	1	10	-	-	SYM
ajst-19313	1	11	3032	3032	NUM
ajst-19313	1	12	|	|	NOUN
ajst-19313	1	13	vol	vol	NOUN
ajst-19313	1	14	.	.	PROPN
ajst-19313	2	1	10	10	NUM
ajst-19313	2	2	,	,	PUNCT
ajst-19313	2	3	no	no	INTJ
ajst-19313	2	4	.	.	NOUN
ajst-19313	2	5	1	1	NUM
ajst-19313	2	6	,	,	PUNCT
ajst-19313	2	7	2024	2024	NUM
ajst-19313	2	8	316	316	NUM
ajst-19313	2	9	analysis	analysis	NOUN
ajst-19313	2	10	of	of	ADP
ajst-19313	2	11	the	the	DET
ajst-19313	2	12	influence	influence	NOUN
ajst-19313	2	13	of	of	ADP
ajst-19313	2	14	thread	thread	NOUN
ajst-19313	2	15	parameter	parameter	NOUN
ajst-19313	2	16	deviation	deviation	NOUN
ajst-19313	2	17	on	on	ADP
ajst-19313	2	18	the	the	DET
ajst-19313	2	19	sealing	sealing	NOUN
ajst-19313	2	20	performance	performance	NOUN
ajst-19313	2	21	of	of	ADP
ajst-19313	2	22	drill	drill	NOUN
ajst-19313	2	23	pipe	pipe	NOUN
ajst-19313	2	24	joint	joint	NOUN
ajst-19313	2	25	under	under	ADP
ajst-19313	2	26	axial	axial	ADJ
ajst-19313	2	27	load	load	NOUN
ajst-19313	2	28	xiaofeng	xiaofeng	PROPN
ajst-19313	2	29	cheng	cheng	PROPN
ajst-19313	2	30	,	,	PUNCT
ajst-19313	2	31	yongjun	yongjun	PROPN
ajst-19313	2	32	hou	hou	PROPN
ajst-19313	2	33	*	*	PROPN
ajst-19313	2	34	school	school	NOUN
ajst-19313	2	35	of	of	ADP
ajst-19313	2	36	mechatronic	mechatronic	ADJ
ajst-19313	2	37	engineering	engineering	NOUN
ajst-19313	2	38	,	,	PUNCT
ajst-19313	2	39	southwest	southwest	ADJ
ajst-19313	2	40	petroleum	petroleum	PROPN
ajst-19313	2	41	university	university	PROPN
ajst-19313	2	42	,	,	PUNCT
ajst-19313	2	43	chengdu	chengdu	PROPN
ajst-19313	2	44	sichuan	sichuan	PROPN
ajst-19313	2	45	610500	610500	NUM
ajst-19313	2	46	,	,	PUNCT
ajst-19313	2	47	china	china	PROPN
ajst-19313	2	48	*	*	PUNCT
ajst-19313	2	49	corresponding	correspond	VERB
ajst-19313	2	50	author	author	NOUN
ajst-19313	2	51	abstract	abstract	NOUN
ajst-19313	2	52	:	:	PUNCT
ajst-19313	2	53	to	to	PART
ajst-19313	2	54	explore	explore	VERB
ajst-19313	2	55	the	the	DET
ajst-19313	2	56	influence	influence	NOUN
ajst-19313	2	57	of	of	ADP
ajst-19313	2	58	the	the	DET
ajst-19313	2	59	limit	limit	NOUN
ajst-19313	2	60	deviation	deviation	NOUN
ajst-19313	2	61	of	of	ADP
ajst-19313	2	62	the	the	DET
ajst-19313	2	63	thread	thread	NOUN
ajst-19313	2	64	parameters	parameter	NOUN
ajst-19313	2	65	of	of	ADP
ajst-19313	2	66	the	the	DET
ajst-19313	2	67	drill	drill	NOUN
ajst-19313	2	68	pipe	pipe	NOUN
ajst-19313	2	69	joint	joint	NOUN
ajst-19313	2	70	on	on	ADP
ajst-19313	2	71	its	its	PRON
ajst-19313	2	72	sealing	sealing	NOUN
ajst-19313	2	73	performance	performance	NOUN
ajst-19313	2	74	,	,	PUNCT
ajst-19313	2	75	based	base	VERB
ajst-19313	2	76	on	on	ADP
ajst-19313	2	77	the	the	DET
ajst-19313	2	78	api	api	NOUN
ajst-19313	2	79	nc38	nc38	PROPN
ajst-19313	2	80	drill	drill	NOUN
ajst-19313	2	81	pipe	pipe	NOUN
ajst-19313	2	82	joint	joint	NOUN
ajst-19313	2	83	,	,	PUNCT
ajst-19313	2	84	the	the	DET
ajst-19313	2	85	existence	existence	NOUN
ajst-19313	2	86	of	of	ADP
ajst-19313	2	87	the	the	DET
ajst-19313	2	88	limit	limit	NOUN
ajst-19313	2	89	deviations	deviation	NOUN
ajst-19313	2	90	of	of	ADP
ajst-19313	2	91	the	the	DET
ajst-19313	2	92	three	three	NUM
ajst-19313	2	93	thread	thread	NOUN
ajst-19313	2	94	parameters	parameter	NOUN
ajst-19313	2	95	of	of	ADP
ajst-19313	2	96	taper	taper	NOUN
ajst-19313	2	97	,	,	PUNCT
ajst-19313	2	98	side	side	NOUN
ajst-19313	2	99	angle	angle	NOUN
ajst-19313	2	100	,	,	PUNCT
ajst-19313	2	101	and	and	CCONJ
ajst-19313	2	102	pitch	pitch	NOUN
ajst-19313	2	103	is	be	AUX
ajst-19313	2	104	analyzed	analyze	VERB
ajst-19313	2	105	.	.	PUNCT
ajst-19313	3	1	based	base	VERB
ajst-19313	3	2	on	on	ADP
ajst-19313	3	3	this	this	PRON
ajst-19313	3	4	,	,	PUNCT
ajst-19313	3	5	a	a	DET
ajst-19313	3	6	total	total	NOUN
ajst-19313	3	7	of	of	ADP
ajst-19313	3	8	12	12	NUM
ajst-19313	3	9	finite	finite	ADJ
ajst-19313	3	10	element	element	NOUN
ajst-19313	3	11	models	model	NOUN
ajst-19313	3	12	of	of	ADP
ajst-19313	3	13	drill	drill	NOUN
ajst-19313	3	14	pipe	pipe	NOUN
ajst-19313	3	15	joints	joint	NOUN
ajst-19313	3	16	including	include	VERB
ajst-19313	3	17	various	various	ADJ
ajst-19313	3	18	limit	limit	NOUN
ajst-19313	3	19	deviations	deviation	NOUN
ajst-19313	3	20	and	and	CCONJ
ajst-19313	3	21	free	free	ADJ
ajst-19313	3	22	combinations	combination	NOUN
ajst-19313	3	23	of	of	ADP
ajst-19313	3	24	internal	internal	ADJ
ajst-19313	3	25	and	and	CCONJ
ajst-19313	3	26	external	external	ADJ
ajst-19313	3	27	thread	thread	NOUN
ajst-19313	3	28	limit	limit	NOUN
ajst-19313	3	29	deviations	deviation	NOUN
ajst-19313	3	30	are	be	AUX
ajst-19313	3	31	established	establish	VERB
ajst-19313	3	32	,	,	PUNCT
ajst-19313	3	33	and	and	CCONJ
ajst-19313	3	34	the	the	DET
ajst-19313	3	35	sealing	sealing	NOUN
ajst-19313	3	36	performance	performance	NOUN
ajst-19313	3	37	of	of	ADP
ajst-19313	3	38	different	different	ADJ
ajst-19313	3	39	structures	structure	NOUN
ajst-19313	3	40	under	under	ADP
ajst-19313	3	41	the	the	DET
ajst-19313	3	42	action	action	NOUN
ajst-19313	3	43	of	of	ADP
ajst-19313	3	44	make	make	VERB
ajst-19313	3	45	-	-	PUNCT
ajst-19313	3	46	up	up	ADP
ajst-19313	3	47	torque	torque	NOUN
ajst-19313	3	48	and	and	CCONJ
ajst-19313	3	49	axial	axial	ADJ
ajst-19313	3	50	load	load	NOUN
ajst-19313	3	51	is	be	AUX
ajst-19313	3	52	analyzed	analyze	VERB
ajst-19313	3	53	.	.	PUNCT
ajst-19313	4	1	the	the	DET
ajst-19313	4	2	results	result	NOUN
ajst-19313	4	3	show	show	VERB
ajst-19313	4	4	that	that	SCONJ
ajst-19313	4	5	the	the	DET
ajst-19313	4	6	pitch	pitch	NOUN
ajst-19313	4	7	limit	limit	NOUN
ajst-19313	4	8	deviation	deviation	NOUN
ajst-19313	4	9	has	have	VERB
ajst-19313	4	10	the	the	DET
ajst-19313	4	11	most	most	ADV
ajst-19313	4	12	obvious	obvious	ADJ
ajst-19313	4	13	influence	influence	NOUN
ajst-19313	4	14	on	on	ADP
ajst-19313	4	15	the	the	DET
ajst-19313	4	16	sealing	sealing	NOUN
ajst-19313	4	17	performance	performance	NOUN
ajst-19313	4	18	of	of	ADP
ajst-19313	4	19	the	the	DET
ajst-19313	4	20	drill	drill	NOUN
ajst-19313	4	21	pipe	pipe	NOUN
ajst-19313	4	22	joint	joint	NOUN
ajst-19313	4	23	,	,	PUNCT
ajst-19313	4	24	and	and	CCONJ
ajst-19313	4	25	the	the	DET
ajst-19313	4	26	yield	yield	NOUN
ajst-19313	4	27	failure	failure	NOUN
ajst-19313	4	28	of	of	ADP
ajst-19313	4	29	the	the	DET
ajst-19313	4	30	contact	contact	NOUN
ajst-19313	4	31	surface	surface	NOUN
ajst-19313	4	32	is	be	AUX
ajst-19313	4	33	easy	easy	ADJ
ajst-19313	4	34	to	to	PART
ajst-19313	4	35	occur	occur	VERB
ajst-19313	4	36	.	.	PUNCT
ajst-19313	5	1	the	the	DET
ajst-19313	5	2	existence	existence	NOUN
ajst-19313	5	3	of	of	ADP
ajst-19313	5	4	taper	taper	NOUN
ajst-19313	5	5	limit	limit	NOUN
ajst-19313	5	6	deviation	deviation	NOUN
ajst-19313	5	7	makes	make	VERB
ajst-19313	5	8	the	the	DET
ajst-19313	5	9	sealing	sealing	NOUN
ajst-19313	5	10	performance	performance	NOUN
ajst-19313	5	11	of	of	ADP
ajst-19313	5	12	the	the	DET
ajst-19313	5	13	drill	drill	NOUN
ajst-19313	5	14	pipe	pipe	NOUN
ajst-19313	5	15	joint	joint	NOUN
ajst-19313	5	16	significantly	significantly	ADV
ajst-19313	5	17	reduced	reduce	VERB
ajst-19313	5	18	when	when	SCONJ
ajst-19313	5	19	subjected	subject	VERB
ajst-19313	5	20	to	to	PART
ajst-19313	5	21	tensile	tensile	VERB
ajst-19313	5	22	load	load	NOUN
ajst-19313	5	23	.	.	PUNCT
ajst-19313	6	1	when	when	SCONJ
ajst-19313	6	2	the	the	DET
ajst-19313	6	3	change	change	NOUN
ajst-19313	6	4	of	of	ADP
ajst-19313	6	5	the	the	DET
ajst-19313	6	6	limit	limit	NOUN
ajst-19313	6	7	deviation	deviation	NOUN
ajst-19313	6	8	of	of	ADP
ajst-19313	6	9	the	the	DET
ajst-19313	6	10	side	side	NOUN
ajst-19313	6	11	angle	angle	NOUN
ajst-19313	6	12	of	of	ADP
ajst-19313	6	13	the	the	DET
ajst-19313	6	14	internal	internal	ADJ
ajst-19313	6	15	and	and	CCONJ
ajst-19313	6	16	external	external	ADJ
ajst-19313	6	17	thread	thread	NOUN
ajst-19313	6	18	teeth	tooth	NOUN
ajst-19313	6	19	is	be	AUX
ajst-19313	6	20	opposite	opposite	ADJ
ajst-19313	6	21	,	,	PUNCT
ajst-19313	6	22	the	the	DET
ajst-19313	6	23	plastic	plastic	ADJ
ajst-19313	6	24	deformation	deformation	NOUN
ajst-19313	6	25	occurs	occur	VERB
ajst-19313	6	26	locally	locally	ADV
ajst-19313	6	27	in	in	ADP
ajst-19313	6	28	the	the	DET
ajst-19313	6	29	drill	drill	NOUN
ajst-19313	6	30	pipe	pipe	NOUN
ajst-19313	6	31	joint	joint	NOUN
ajst-19313	6	32	,	,	PUNCT
ajst-19313	6	33	which	which	PRON
ajst-19313	6	34	affects	affect	VERB
ajst-19313	6	35	the	the	DET
ajst-19313	6	36	sealing	sealing	NOUN
ajst-19313	6	37	effect	effect	NOUN
ajst-19313	6	38	.	.	PUNCT
ajst-19313	7	1	therefore	therefore	ADV
ajst-19313	7	2	,	,	PUNCT
ajst-19313	7	3	it	it	PRON
ajst-19313	7	4	is	be	AUX
ajst-19313	7	5	necessary	necessary	ADJ
ajst-19313	7	6	to	to	PART
ajst-19313	7	7	control	control	VERB
ajst-19313	7	8	further	far	ADV
ajst-19313	7	9	the	the	DET
ajst-19313	7	10	tolerance	tolerance	NOUN
ajst-19313	7	11	range	range	NOUN
ajst-19313	7	12	of	of	ADP
ajst-19313	7	13	the	the	DET
ajst-19313	7	14	thread	thread	NOUN
ajst-19313	7	15	parameters	parameter	NOUN
ajst-19313	7	16	of	of	ADP
ajst-19313	7	17	the	the	DET
ajst-19313	7	18	drill	drill	NOUN
ajst-19313	7	19	pipe	pipe	NOUN
ajst-19313	7	20	joint	joint	NOUN
ajst-19313	7	21	to	to	PART
ajst-19313	7	22	reduce	reduce	VERB
ajst-19313	7	23	the	the	DET
ajst-19313	7	24	risk	risk	NOUN
ajst-19313	7	25	of	of	ADP
ajst-19313	7	26	sealing	seal	VERB
ajst-19313	7	27	failure	failure	NOUN
ajst-19313	7	28	of	of	ADP
ajst-19313	7	29	the	the	DET
ajst-19313	7	30	drill	drill	NOUN
ajst-19313	7	31	pipe	pipe	NOUN
ajst-19313	7	32	joint	joint	NOUN
ajst-19313	7	33	.	.	PUNCT
ajst-19313	8	1	keywords	keyword	NOUN
ajst-19313	8	2	:	:	PUNCT
ajst-19313	8	3	drill	drill	VERB
ajst-19313	8	4	pipe	pipe	NOUN
ajst-19313	8	5	joints	joint	NOUN
ajst-19313	8	6	;	;	PUNCT
ajst-19313	8	7	taper	taper	NOUN
ajst-19313	8	8	limit	limit	NOUN
ajst-19313	8	9	deviation	deviation	NOUN
ajst-19313	8	10	;	;	PUNCT
ajst-19313	8	11	tooth	tooth	NOUN
ajst-19313	8	12	side	side	NOUN
ajst-19313	8	13	angle	angle	NOUN
ajst-19313	8	14	limit	limit	NOUN
ajst-19313	8	15	deviation	deviation	NOUN
ajst-19313	8	16	;	;	PUNCT
ajst-19313	8	17	pitch	pitch	NOUN
ajst-19313	8	18	limit	limit	NOUN
ajst-19313	8	19	deviation	deviation	NOUN
ajst-19313	8	20	;	;	PUNCT
ajst-19313	8	21	sealing	seal	VERB
ajst-19313	8	22	performance	performance	NOUN
ajst-19313	8	23	.	.	PUNCT
ajst-19313	9	1	1	1	X
ajst-19313	9	2	.	.	X
ajst-19313	9	3	introduction	introduction	NOUN
ajst-19313	9	4	with	with	ADP
ajst-19313	9	5	the	the	DET
ajst-19313	9	6	increasing	increase	VERB
ajst-19313	9	7	demand	demand	NOUN
ajst-19313	9	8	for	for	ADP
ajst-19313	9	9	oil	oil	NOUN
ajst-19313	9	10	and	and	CCONJ
ajst-19313	9	11	gas	gas	NOUN
ajst-19313	9	12	extraction	extraction	NOUN
ajst-19313	9	13	,	,	PUNCT
ajst-19313	9	14	oil	oil	NOUN
ajst-19313	9	15	and	and	CCONJ
ajst-19313	9	16	gas	gas	NOUN
ajst-19313	9	17	drilling	drilling	NOUN
ajst-19313	9	18	conditions	condition	NOUN
ajst-19313	9	19	have	have	AUX
ajst-19313	9	20	become	become	VERB
ajst-19313	9	21	increasingly	increasingly	ADV
ajst-19313	9	22	harsh	harsh	ADJ
ajst-19313	9	23	,	,	PUNCT
ajst-19313	9	24	and	and	CCONJ
ajst-19313	9	25	the	the	DET
ajst-19313	9	26	service	service	NOUN
ajst-19313	9	27	environment	environment	NOUN
ajst-19313	9	28	of	of	ADP
ajst-19313	9	29	drill	drill	NOUN
ajst-19313	9	30	pipe	pipe	NOUN
ajst-19313	9	31	has	have	AUX
ajst-19313	9	32	become	become	VERB
ajst-19313	9	33	more	more	ADV
ajst-19313	9	34	and	and	CCONJ
ajst-19313	9	35	more	more	ADV
ajst-19313	9	36	complex	complex	ADJ
ajst-19313	9	37	,	,	PUNCT
ajst-19313	9	38	while	while	SCONJ
ajst-19313	9	39	the	the	DET
ajst-19313	9	40	threads	thread	NOUN
ajst-19313	9	41	of	of	ADP
ajst-19313	9	42	the	the	DET
ajst-19313	9	43	drill	drill	NOUN
ajst-19313	9	44	pipe	pipe	NOUN
ajst-19313	9	45	joints	joint	NOUN
ajst-19313	9	46	are	be	AUX
ajst-19313	9	47	the	the	DET
ajst-19313	9	48	weakest	weak	ADJ
ajst-19313	9	49	link	link	NOUN
ajst-19313	9	50	in	in	ADP
ajst-19313	9	51	the	the	DET
ajst-19313	9	52	connection	connection	NOUN
ajst-19313	9	53	of	of	ADP
ajst-19313	9	54	the	the	DET
ajst-19313	9	55	drill	drill	NOUN
ajst-19313	9	56	pipe	pipe	NOUN
ajst-19313	9	57	,	,	PUNCT
ajst-19313	9	58	and	and	CCONJ
ajst-19313	9	59	most	most	ADJ
ajst-19313	9	60	of	of	ADP
ajst-19313	9	61	the	the	DET
ajst-19313	9	62	failures	failure	NOUN
ajst-19313	9	63	of	of	ADP
ajst-19313	9	64	the	the	DET
ajst-19313	9	65	drill	drill	NOUN
ajst-19313	9	66	pipe	pipe	NOUN
ajst-19313	9	67	occur	occur	VERB
ajst-19313	9	68	here[1	here[1	PRON
ajst-19313	9	69	]	]	PUNCT
ajst-19313	9	70	.	.	PUNCT
ajst-19313	10	1	seal	seal	NOUN
ajst-19313	10	2	failure	failure	NOUN
ajst-19313	10	3	of	of	ADP
ajst-19313	10	4	drill	drill	NOUN
ajst-19313	10	5	pipe	pipe	NOUN
ajst-19313	10	6	joints	joint	NOUN
ajst-19313	10	7	is	be	AUX
ajst-19313	10	8	very	very	ADV
ajst-19313	10	9	likely	likely	ADJ
ajst-19313	10	10	to	to	PART
ajst-19313	10	11	induce	induce	VERB
ajst-19313	10	12	high	high	ADJ
ajst-19313	10	13	-	-	PUNCT
ajst-19313	10	14	pressure	pressure	NOUN
ajst-19313	10	15	mud	mud	NOUN
ajst-19313	10	16	erosion	erosion	NOUN
ajst-19313	10	17	from	from	ADP
ajst-19313	10	18	the	the	DET
ajst-19313	10	19	shoulder	shoulder	NOUN
ajst-19313	10	20	surface	surface	NOUN
ajst-19313	10	21	,	,	PUNCT
ajst-19313	10	22	resulting	result	VERB
ajst-19313	10	23	in	in	ADP
ajst-19313	10	24	drilling	drilling	NOUN
ajst-19313	10	25	accidents	accident	NOUN
ajst-19313	10	26	such	such	ADJ
ajst-19313	10	27	as	as	ADP
ajst-19313	10	28	joint	joint	ADJ
ajst-19313	10	29	leakage	leakage	NOUN
ajst-19313	10	30	and	and	CCONJ
ajst-19313	10	31	expansion	expansion	NOUN
ajst-19313	10	32	of	of	ADP
ajst-19313	10	33	drill	drill	NOUN
ajst-19313	10	34	pipe	pipe	NOUN
ajst-19313	10	35	joints	joint	NOUN
ajst-19313	10	36	,	,	PUNCT
ajst-19313	10	37	causing	cause	VERB
ajst-19313	10	38	huge	huge	ADJ
ajst-19313	10	39	economic	economic	ADJ
ajst-19313	10	40	losses[2	losses[2	PROPN
ajst-19313	10	41	]	]	PUNCT
ajst-19313	10	42	.	.	PUNCT
ajst-19313	11	1	therefore	therefore	ADV
ajst-19313	11	2	,	,	PUNCT
ajst-19313	11	3	it	it	PRON
ajst-19313	11	4	is	be	AUX
ajst-19313	11	5	important	important	ADJ
ajst-19313	11	6	to	to	PART
ajst-19313	11	7	study	study	VERB
ajst-19313	11	8	the	the	DET
ajst-19313	11	9	sealing	sealing	NOUN
ajst-19313	11	10	of	of	ADP
ajst-19313	11	11	drill	drill	NOUN
ajst-19313	11	12	pipe	pipe	NOUN
ajst-19313	11	13	joints	joint	NOUN
ajst-19313	11	14	.	.	PUNCT
ajst-19313	12	1	at	at	ADP
ajst-19313	12	2	present	present	ADJ
ajst-19313	12	3	,	,	PUNCT
ajst-19313	12	4	to	to	PART
ajst-19313	12	5	prevent	prevent	VERB
ajst-19313	12	6	the	the	DET
ajst-19313	12	7	failure	failure	NOUN
ajst-19313	12	8	of	of	ADP
ajst-19313	12	9	drill	drill	NOUN
ajst-19313	12	10	pipe	pipe	NOUN
ajst-19313	12	11	joints	joint	NOUN
ajst-19313	12	12	,	,	PUNCT
ajst-19313	12	13	scholars	scholar	NOUN
ajst-19313	12	14	at	at	ADP
ajst-19313	12	15	home	home	ADV
ajst-19313	12	16	and	and	CCONJ
ajst-19313	12	17	abroad	abroad	ADV
ajst-19313	12	18	have	have	AUX
ajst-19313	12	19	carried	carry	VERB
ajst-19313	12	20	out	out	ADP
ajst-19313	12	21	a	a	DET
ajst-19313	12	22	lot	lot	NOUN
ajst-19313	12	23	of	of	ADP
ajst-19313	12	24	analysis	analysis	NOUN
ajst-19313	12	25	and	and	CCONJ
ajst-19313	12	26	research	research	NOUN
ajst-19313	12	27	on	on	ADP
ajst-19313	12	28	drill	drill	NOUN
ajst-19313	12	29	pipe	pipe	NOUN
ajst-19313	12	30	joints	joint	NOUN
ajst-19313	12	31	.	.	PUNCT
ajst-19313	13	1	sajad	sajad	PROPN
ajst-19313	13	2	mohammad	mohammad	PROPN
ajst-19313	13	3	zamani	zamani	PROPN
ajst-19313	13	4	systematically	systematically	ADV
ajst-19313	13	5	analyzed	analyze	VERB
ajst-19313	13	6	the	the	DET
ajst-19313	13	7	various	various	ADJ
ajst-19313	13	8	causes	cause	NOUN
ajst-19313	13	9	of	of	ADP
ajst-19313	13	10	failure	failure	NOUN
ajst-19313	13	11	of	of	ADP
ajst-19313	13	12	drill	drill	NOUN
ajst-19313	13	13	pipe	pipe	NOUN
ajst-19313	13	14	joints[3	joints[3	NOUN
ajst-19313	13	15	]	]	PUNCT
ajst-19313	13	16	.	.	PUNCT
ajst-19313	14	1	shi	shi	PROPN
ajst-19313	14	2	jie	jie	PROPN
ajst-19313	14	3	yu	yu	PROPN
ajst-19313	14	4	used	use	VERB
ajst-19313	14	5	a	a	DET
ajst-19313	14	6	combination	combination	NOUN
ajst-19313	14	7	of	of	ADP
ajst-19313	14	8	experimental	experimental	ADJ
ajst-19313	14	9	testing	testing	NOUN
ajst-19313	14	10	and	and	CCONJ
ajst-19313	14	11	finite	finite	PROPN
ajst-19313	14	12	element	element	NOUN
ajst-19313	14	13	simulation	simulation	NOUN
ajst-19313	14	14	to	to	PART
ajst-19313	14	15	analyze	analyze	VERB
ajst-19313	14	16	in	in	ADP
ajst-19313	14	17	detail	detail	NOUN
ajst-19313	14	18	the	the	DET
ajst-19313	14	19	causes	cause	NOUN
ajst-19313	14	20	of	of	ADP
ajst-19313	14	21	longitudinal	longitudinal	ADJ
ajst-19313	14	22	crack	crack	NOUN
ajst-19313	14	23	failure	failure	NOUN
ajst-19313	14	24	in	in	ADP
ajst-19313	14	25	double	double	ADJ
ajst-19313	14	26	-	-	PUNCT
ajst-19313	14	27	shouldered	shoulder	VERB
ajst-19313	14	28	drill	drill	NOUN
ajst-19313	14	29	pipe	pipe	NOUN
ajst-19313	14	30	joints[4	joints[4	PROPN
ajst-19313	14	31	]	]	PUNCT
ajst-19313	14	32	.	.	PUNCT
ajst-19313	15	1	a.r	a.r	PROPN
ajst-19313	15	2	shahani	shahani	PROPN
ajst-19313	15	3	analyzed	analyze	VERB
ajst-19313	15	4	the	the	DET
ajst-19313	15	5	stress	stress	NOUN
ajst-19313	15	6	concentration	concentration	NOUN
ajst-19313	15	7	sites	site	NOUN
ajst-19313	15	8	occurring	occur	VERB
ajst-19313	15	9	in	in	ADP
ajst-19313	15	10	drill	drill	NOUN
ajst-19313	15	11	pipe	pipe	NOUN
ajst-19313	15	12	joints[5	joints[5	PROPN
ajst-19313	15	13	]	]	PUNCT
ajst-19313	15	14	,	,	PUNCT
ajst-19313	15	15	which	which	PRON
ajst-19313	15	16	for	for	ADP
ajst-19313	15	17	male	male	ADJ
ajst-19313	15	18	clasps	clasp	NOUN
ajst-19313	15	19	are	be	AUX
ajst-19313	15	20	located	locate	VERB
ajst-19313	15	21	at	at	ADP
ajst-19313	15	22	the	the	DET
ajst-19313	15	23	root	root	NOUN
ajst-19313	15	24	of	of	ADP
ajst-19313	15	25	the	the	DET
ajst-19313	15	26	threaded	thread	VERB
ajst-19313	15	27	tooth	tooth	NOUN
ajst-19313	15	28	close	close	ADV
ajst-19313	15	29	to	to	ADP
ajst-19313	15	30	the	the	DET
ajst-19313	15	31	first	first	ADJ
ajst-19313	15	32	tooth	tooth	NOUN
ajst-19313	15	33	engaged	engage	VERB
ajst-19313	15	34	in	in	ADP
ajst-19313	15	35	the	the	DET
ajst-19313	15	36	shoulder	shoulder	NOUN
ajst-19313	15	37	of	of	ADP
ajst-19313	15	38	the	the	DET
ajst-19313	15	39	table	table	NOUN
ajst-19313	15	40	,	,	PUNCT
ajst-19313	15	41	and	and	CCONJ
ajst-19313	15	42	for	for	ADP
ajst-19313	15	43	female	female	ADJ
ajst-19313	15	44	clasps	clasp	NOUN
ajst-19313	15	45	at	at	ADP
ajst-19313	15	46	the	the	DET
ajst-19313	15	47	root	root	NOUN
ajst-19313	15	48	of	of	ADP
ajst-19313	15	49	the	the	DET
ajst-19313	15	50	last	last	ADJ
ajst-19313	15	51	tooth	tooth	NOUN
ajst-19313	15	52	.	.	PUNCT
ajst-19313	16	1	feng	feng	PROPN
ajst-19313	16	2	chen	chen	PROPN
ajst-19313	16	3	analyzed	analyze	VERB
ajst-19313	16	4	the	the	DET
ajst-19313	16	5	working	work	VERB
ajst-19313	16	6	load	load	NOUN
ajst-19313	16	7	limit	limit	NOUN
ajst-19313	16	8	of	of	ADP
ajst-19313	16	9	drill	drill	NOUN
ajst-19313	16	10	pipe	pipe	NOUN
ajst-19313	16	11	by	by	ADP
ajst-19313	16	12	the	the	DET
ajst-19313	16	13	three	three	NUM
ajst-19313	16	14	-	-	PUNCT
ajst-19313	16	15	dimensional	dimensional	ADJ
ajst-19313	16	16	finite	finite	ADJ
ajst-19313	16	17	element	element	NOUN
ajst-19313	16	18	method	method	NOUN
ajst-19313	16	19	and	and	CCONJ
ajst-19313	16	20	proposed	propose	VERB
ajst-19313	16	21	a	a	DET
ajst-19313	16	22	new	new	ADJ
ajst-19313	16	23	method	method	NOUN
ajst-19313	16	24	to	to	PART
ajst-19313	16	25	determine	determine	VERB
ajst-19313	16	26	the	the	DET
ajst-19313	16	27	torsional	torsional	ADJ
ajst-19313	16	28	limit	limit	NOUN
ajst-19313	16	29	of	of	ADP
ajst-19313	16	30	threads	thread	NOUN
ajst-19313	16	31	under	under	ADP
ajst-19313	16	32	complex	complex	ADJ
ajst-19313	16	33	loads[6][7	loads[6][7	PROPN
ajst-19313	16	34	]	]	PUNCT
ajst-19313	16	35	.	.	PUNCT
ajst-19313	17	1	jinhua	jinhua	PROPN
ajst-19313	17	2	chen	chen	PROPN
ajst-19313	17	3	considered	consider	VERB
ajst-19313	17	4	the	the	DET
ajst-19313	17	5	effect	effect	NOUN
ajst-19313	17	6	of	of	ADP
ajst-19313	17	7	temperature	temperature	NOUN
ajst-19313	17	8	on	on	ADP
ajst-19313	17	9	the	the	DET
ajst-19313	17	10	joints	joint	NOUN
ajst-19313	17	11	of	of	ADP
ajst-19313	17	12	drill	drill	NOUN
ajst-19313	17	13	pipe[8	pipe[8	NOUN
ajst-19313	17	14	]	]	PUNCT
ajst-19313	17	15	,	,	PUNCT
ajst-19313	17	16	and	and	CCONJ
ajst-19313	17	17	finite	finite	VERB
ajst-19313	17	18	element	element	NOUN
ajst-19313	17	19	analysis	analysis	NOUN
ajst-19313	17	20	of	of	ADP
ajst-19313	17	21	the	the	DET
ajst-19313	17	22	joints	joint	NOUN
ajst-19313	17	23	of	of	ADP
ajst-19313	17	24	drill	drill	NOUN
ajst-19313	17	25	pipe	pipe	NOUN
ajst-19313	17	26	was	be	AUX
ajst-19313	17	27	carried	carry	VERB
ajst-19313	17	28	out	out	ADP
ajst-19313	17	29	by	by	ADP
ajst-19313	17	30	using	use	VERB
ajst-19313	17	31	the	the	DET
ajst-19313	17	32	thermal	thermal	ADJ
ajst-19313	17	33	coupling	coupling	NOUN
ajst-19313	17	34	model	model	NOUN
ajst-19313	17	35	and	and	CCONJ
ajst-19313	17	36	implicit	implicit	ADJ
ajst-19313	17	37	-	-	PUNCT
ajst-19313	17	38	explicit	explicit	ADJ
ajst-19313	17	39	transformation	transformation	NOUN
ajst-19313	17	40	method	method	NOUN
ajst-19313	17	41	.	.	PUNCT
ajst-19313	18	1	many	many	ADJ
ajst-19313	18	2	of	of	ADP
ajst-19313	18	3	these	these	DET
ajst-19313	18	4	scholars	scholar	NOUN
ajst-19313	18	5	have	have	AUX
ajst-19313	18	6	analyzed	analyze	VERB
ajst-19313	18	7	the	the	DET
ajst-19313	18	8	mechanical	mechanical	ADJ
ajst-19313	18	9	properties	property	NOUN
ajst-19313	18	10	of	of	ADP
ajst-19313	18	11	drill	drill	NOUN
ajst-19313	18	12	pipe	pipe	NOUN
ajst-19313	18	13	joints	joint	NOUN
ajst-19313	18	14	from	from	ADP
ajst-19313	18	15	the	the	DET
ajst-19313	18	16	structural	structural	ADJ
ajst-19313	18	17	design	design	NOUN
ajst-19313	18	18	and	and	CCONJ
ajst-19313	18	19	under	under	ADP
ajst-19313	18	20	various	various	ADJ
ajst-19313	18	21	complex	complex	ADJ
ajst-19313	18	22	loading	loading	NOUN
ajst-19313	18	23	conditions[9][10][11	conditions[9][10][11	X
ajst-19313	18	24	]	]	PUNCT
ajst-19313	18	25	.	.	PUNCT
ajst-19313	19	1	the	the	DET
ajst-19313	19	2	study	study	NOUN
ajst-19313	19	3	of	of	ADP
ajst-19313	19	4	the	the	DET
ajst-19313	19	5	sealing	sealing	NOUN
ajst-19313	19	6	performance	performance	NOUN
ajst-19313	19	7	of	of	ADP
ajst-19313	19	8	special	special	ADJ
ajst-19313	19	9	joint	joint	ADJ
ajst-19313	19	10	threads	thread	NOUN
ajst-19313	19	11	is	be	AUX
ajst-19313	19	12	one	one	NUM
ajst-19313	19	13	of	of	ADP
ajst-19313	19	14	the	the	DET
ajst-19313	19	15	hotspots	hotspot	NOUN
ajst-19313	19	16	for	for	ADP
ajst-19313	19	17	many	many	ADJ
ajst-19313	19	18	scholars	scholar	NOUN
ajst-19313	19	19	.	.	PUNCT
ajst-19313	20	1	wang	wang	PROPN
ajst-19313	20	2	studied	study	VERB
ajst-19313	20	3	special	special	ADJ
ajst-19313	20	4	threaded	thread	VERB
ajst-19313	20	5	joints	joint	NOUN
ajst-19313	20	6	from	from	ADP
ajst-19313	20	7	the	the	DET
ajst-19313	20	8	aspects	aspect	NOUN
ajst-19313	20	9	of	of	ADP
ajst-19313	20	10	structural	structural	ADJ
ajst-19313	20	11	integrity	integrity	NOUN
ajst-19313	20	12	and	and	CCONJ
ajst-19313	20	13	tightness	tightness	NOUN
ajst-19313	20	14	and	and	CCONJ
ajst-19313	20	15	visually	visually	ADV
ajst-19313	20	16	quantified	quantify	VERB
ajst-19313	20	17	the	the	DET
ajst-19313	20	18	sealing	sealing	NOUN
ajst-19313	20	19	performance	performance	NOUN
ajst-19313	20	20	of	of	ADP
ajst-19313	20	21	threaded	threaded	ADJ
ajst-19313	20	22	joints[12	joints[12	PROPN
ajst-19313	20	23	]	]	PUNCT
ajst-19313	20	24	.	.	PUNCT
ajst-19313	21	1	chen	chen	PROPN
ajst-19313	21	2	wei	wei	PROPN
ajst-19313	21	3	studied	study	VERB
ajst-19313	21	4	the	the	DET
ajst-19313	21	5	sealing	sealing	NOUN
ajst-19313	21	6	performance	performance	NOUN
ajst-19313	21	7	of	of	ADP
ajst-19313	21	8	oil	oil	NOUN
ajst-19313	21	9	casing	casing	NOUN
ajst-19313	21	10	joints	joint	NOUN
ajst-19313	21	11	and	and	CCONJ
ajst-19313	21	12	analyzed	analyze	VERB
ajst-19313	21	13	the	the	DET
ajst-19313	21	14	sealing	sealing	NOUN
ajst-19313	21	15	mechanism	mechanism	NOUN
ajst-19313	21	16	of	of	ADP
ajst-19313	21	17	oil	oil	NOUN
ajst-19313	21	18	casing	casing	NOUN
ajst-19313	21	19	joints	joint	NOUN
ajst-19313	21	20	under	under	ADP
ajst-19313	21	21	composite	composite	ADJ
ajst-19313	21	22	load[13	load[13	NOUN
ajst-19313	21	23	]	]	PUNCT
ajst-19313	21	24	.	.	PUNCT
ajst-19313	22	1	however	however	ADV
ajst-19313	22	2	,	,	PUNCT
ajst-19313	22	3	there	there	PRON
ajst-19313	22	4	are	be	VERB
ajst-19313	22	5	not	not	PART
ajst-19313	22	6	many	many	ADJ
ajst-19313	22	7	studies	study	NOUN
ajst-19313	22	8	on	on	ADP
ajst-19313	22	9	the	the	DET
ajst-19313	22	10	impact	impact	NOUN
ajst-19313	22	11	analysis	analysis	NOUN
ajst-19313	22	12	of	of	ADP
ajst-19313	22	13	the	the	DET
ajst-19313	22	14	impact	impact	NOUN
ajst-19313	22	15	of	of	ADP
ajst-19313	22	16	the	the	DET
ajst-19313	22	17	processing	processing	NOUN
ajst-19313	22	18	of	of	ADP
ajst-19313	22	19	drill	drill	NOUN
ajst-19313	22	20	pipe	pipe	NOUN
ajst-19313	22	21	joint	joint	ADJ
ajst-19313	22	22	thread	thread	NOUN
ajst-19313	22	23	parameters	parameter	NOUN
ajst-19313	22	24	.	.	PUNCT
ajst-19313	23	1	fan	fan	PROPN
ajst-19313	23	2	yuan	yuan	PROPN
ajst-19313	23	3	hao	hao	PROPN
ajst-19313	23	4	discussed	discuss	VERB
ajst-19313	23	5	the	the	DET
ajst-19313	23	6	causes	cause	NOUN
ajst-19313	23	7	of	of	ADP
ajst-19313	23	8	thread	thread	NOUN
ajst-19313	23	9	milling	mill	VERB
ajst-19313	23	10	errors	error	NOUN
ajst-19313	23	11	of	of	ADP
ajst-19313	23	12	drill	drill	NOUN
ajst-19313	23	13	pipe	pipe	NOUN
ajst-19313	23	14	joints[14	joints[14	PROPN
ajst-19313	23	15	]	]	PUNCT
ajst-19313	23	16	,	,	PUNCT
ajst-19313	23	17	and	and	CCONJ
ajst-19313	23	18	established	establish	VERB
ajst-19313	23	19	a	a	DET
ajst-19313	23	20	machining	machining	NOUN
ajst-19313	23	21	error	error	NOUN
ajst-19313	23	22	model	model	NOUN
ajst-19313	23	23	for	for	ADP
ajst-19313	23	24	the	the	DET
ajst-19313	23	25	whole	whole	ADJ
ajst-19313	23	26	machining	machining	NOUN
ajst-19313	23	27	process	process	NOUN
ajst-19313	23	28	of	of	ADP
ajst-19313	23	29	thread	thread	NOUN
ajst-19313	23	30	milling	milling	NOUN
ajst-19313	23	31	.	.	PUNCT
ajst-19313	24	1	volodymyr	volodymyr	PROPN
ajst-19313	24	2	kopei	kopei	PROPN
ajst-19313	24	3	studied	study	VERB
ajst-19313	24	4	the	the	DET
ajst-19313	24	5	effect	effect	NOUN
ajst-19313	24	6	of	of	ADP
ajst-19313	24	7	pitch	pitch	NOUN
ajst-19313	24	8	deviation	deviation	NOUN
ajst-19313	24	9	on	on	ADP
ajst-19313	24	10	the	the	DET
ajst-19313	24	11	fatigue	fatigue	NOUN
ajst-19313	24	12	life	life	NOUN
ajst-19313	24	13	of	of	ADP
ajst-19313	24	14	drill	drill	NOUN
ajst-19313	24	15	tool	tool	NOUN
ajst-19313	24	16	joints[15	joints[15	PROPN
ajst-19313	24	17	]	]	PUNCT
ajst-19313	24	18	.	.	PUNCT
ajst-19313	25	1	jinhua	jinhua	PROPN
ajst-19313	25	2	cheng	cheng	PROPN
ajst-19313	25	3	analyzed	analyze	VERB
ajst-19313	25	4	the	the	DET
ajst-19313	25	5	effect	effect	NOUN
ajst-19313	25	6	of	of	ADP
ajst-19313	25	7	interference	interference	NOUN
ajst-19313	25	8	on	on	ADP
ajst-19313	25	9	the	the	DET
ajst-19313	25	10	ultimate	ultimate	ADJ
ajst-19313	25	11	strength	strength	NOUN
ajst-19313	25	12	and	and	CCONJ
ajst-19313	25	13	failure	failure	NOUN
ajst-19313	25	14	mode	mode	NOUN
ajst-19313	25	15	of	of	ADP
ajst-19313	25	16	the	the	DET
ajst-19313	25	17	drill	drill	NOUN
ajst-19313	25	18	pipe	pipe	NOUN
ajst-19313	25	19	body	body	NOUN
ajst-19313	25	20	and	and	CCONJ
ajst-19313	25	21	tool	tool	NOUN
ajst-19313	25	22	joint	joint	ADJ
ajst-19313	25	23	assembly[16	assembly[16	NOUN
ajst-19313	25	24	]	]	PUNCT
ajst-19313	25	25	.	.	PUNCT
ajst-19313	26	1	the	the	DET
ajst-19313	26	2	above	above	ADJ
ajst-19313	26	3	studies	study	NOUN
ajst-19313	26	4	mainly	mainly	ADV
ajst-19313	26	5	analyze	analyze	VERB
ajst-19313	26	6	the	the	DET
ajst-19313	26	7	mechanical	mechanical	ADJ
ajst-19313	26	8	properties	property	NOUN
ajst-19313	26	9	of	of	ADP
ajst-19313	26	10	drill	drill	NOUN
ajst-19313	26	11	pipe	pipe	NOUN
ajst-19313	26	12	joints	joint	NOUN
ajst-19313	26	13	and	and	CCONJ
ajst-19313	26	14	the	the	DET
ajst-19313	26	15	sealing	sealing	NOUN
ajst-19313	26	16	performance	performance	NOUN
ajst-19313	26	17	of	of	ADP
ajst-19313	26	18	casing	casing	NOUN
ajst-19313	26	19	,	,	PUNCT
ajst-19313	26	20	but	but	CCONJ
ajst-19313	26	21	less	less	ADJ
ajst-19313	26	22	analysis	analysis	NOUN
ajst-19313	26	23	of	of	ADP
ajst-19313	26	24	the	the	DET
ajst-19313	26	25	sealing	sealing	NOUN
ajst-19313	26	26	performance	performance	NOUN
ajst-19313	26	27	of	of	ADP
ajst-19313	26	28	drill	drill	NOUN
ajst-19313	26	29	pipe	pipe	NOUN
ajst-19313	26	30	joints	joint	NOUN
ajst-19313	26	31	.	.	PUNCT
ajst-19313	27	1	at	at	ADP
ajst-19313	27	2	the	the	DET
ajst-19313	27	3	same	same	ADJ
ajst-19313	27	4	time	time	NOUN
ajst-19313	27	5	,	,	PUNCT
ajst-19313	27	6	most	most	ADJ
ajst-19313	27	7	studies	study	NOUN
ajst-19313	27	8	ignore	ignore	VERB
ajst-19313	27	9	the	the	DET
ajst-19313	27	10	influence	influence	NOUN
ajst-19313	27	11	of	of	ADP
ajst-19313	27	12	thread	thread	NOUN
ajst-19313	27	13	parameter	parameter	NOUN
ajst-19313	27	14	deviation	deviation	NOUN
ajst-19313	27	15	on	on	ADP
ajst-19313	27	16	the	the	DET
ajst-19313	27	17	mechanical	mechanical	ADJ
ajst-19313	27	18	properties	property	NOUN
ajst-19313	27	19	of	of	ADP
ajst-19313	27	20	joints	joint	NOUN
ajst-19313	27	21	.	.	PUNCT
ajst-19313	28	1	however	however	ADV
ajst-19313	28	2	,	,	PUNCT
ajst-19313	28	3	during	during	ADP
ajst-19313	28	4	the	the	DET
ajst-19313	28	5	processing	processing	NOUN
ajst-19313	28	6	of	of	ADP
ajst-19313	28	7	drill	drill	NOUN
ajst-19313	28	8	pipe	pipe	NOUN
ajst-19313	28	9	joints	joint	NOUN
ajst-19313	28	10	,	,	PUNCT
ajst-19313	28	11	due	due	ADP
ajst-19313	28	12	to	to	ADP
ajst-19313	28	13	the	the	DET
ajst-19313	28	14	different	different	ADJ
ajst-19313	28	15	processing	processing	NOUN
ajst-19313	28	16	quality	quality	NOUN
ajst-19313	28	17	,	,	PUNCT
ajst-19313	28	18	it	it	PRON
ajst-19313	28	19	is	be	AUX
ajst-19313	28	20	inevitable	inevitable	ADJ
ajst-19313	28	21	that	that	SCONJ
ajst-19313	28	22	the	the	DET
ajst-19313	28	23	thread	thread	NOUN
ajst-19313	28	24	parameters	parameter	NOUN
ajst-19313	28	25	of	of	ADP
ajst-19313	28	26	the	the	DET
ajst-19313	28	27	drill	drill	NOUN
ajst-19313	28	28	pipe	pipe	NOUN
ajst-19313	28	29	joints	joint	NOUN
ajst-19313	28	30	will	will	AUX
ajst-19313	28	31	deviate	deviate	VERB
ajst-19313	28	32	.	.	PUNCT
ajst-19313	29	1	therefore	therefore	ADV
ajst-19313	29	2	,	,	PUNCT
ajst-19313	29	3	this	this	DET
ajst-19313	29	4	paper	paper	NOUN
ajst-19313	29	5	takes	take	VERB
ajst-19313	29	6	api	api	NOUN
ajst-19313	29	7	nc38	nc38	PROPN
ajst-19313	29	8	joint	joint	ADJ
ajst-19313	29	9	thread	thread	NOUN
ajst-19313	29	10	as	as	SCONJ
ajst-19313	29	11	the	the	DET
ajst-19313	29	12	research	research	NOUN
ajst-19313	29	13	object	object	NOUN
ajst-19313	29	14	considers	consider	VERB
ajst-19313	29	15	the	the	DET
ajst-19313	29	16	limit	limit	NOUN
ajst-19313	29	17	deviation	deviation	NOUN
ajst-19313	29	18	of	of	ADP
ajst-19313	29	19	drill	drill	NOUN
ajst-19313	29	20	pipe	pipe	NOUN
ajst-19313	29	21	joint	joint	ADJ
ajst-19313	29	22	thread	thread	NOUN
ajst-19313	29	23	parameters	parameter	NOUN
ajst-19313	29	24	,	,	PUNCT
ajst-19313	29	25	and	and	CCONJ
ajst-19313	29	26	analyzes	analyze	VERB
ajst-19313	29	27	the	the	DET
ajst-19313	29	28	influence	influence	NOUN
ajst-19313	29	29	of	of	ADP
ajst-19313	29	30	different	different	ADJ
ajst-19313	29	31	thread	thread	NOUN
ajst-19313	29	32	parameter	parameter	NOUN
ajst-19313	29	33	limit	limit	NOUN
ajst-19313	29	34	deviations	deviation	NOUN
ajst-19313	29	35	on	on	ADP
ajst-19313	29	36	drill	drill	NOUN
ajst-19313	29	37	pipe	pipe	NOUN
ajst-19313	29	38	joint	joint	ADJ
ajst-19313	29	39	sealing	sealing	NOUN
ajst-19313	29	40	performance	performance	NOUN
ajst-19313	29	41	under	under	ADP
ajst-19313	29	42	axial	axial	ADJ
ajst-19313	29	43	load	load	NOUN
ajst-19313	29	44	conditions	condition	NOUN
ajst-19313	29	45	.	.	PUNCT
ajst-19313	30	1	this	this	PRON
ajst-19313	30	2	has	have	VERB
ajst-19313	30	3	important	important	ADJ
ajst-19313	30	4	reference	reference	NOUN
ajst-19313	30	5	significance	significance	NOUN
ajst-19313	30	6	for	for	ADP
ajst-19313	30	7	the	the	DET
ajst-19313	30	8	design	design	NOUN
ajst-19313	30	9	of	of	ADP
ajst-19313	30	10	thread	thread	NOUN
ajst-19313	30	11	parameter	parameter	NOUN
ajst-19313	30	12	tolerances	tolerance	NOUN
ajst-19313	30	13	of	of	ADP
ajst-19313	30	14	drill	drill	NOUN
ajst-19313	30	15	pipe	pipe	NOUN
ajst-19313	30	16	joints	joint	NOUN
ajst-19313	30	17	.	.	PUNCT
ajst-19313	31	1	2	2	X
ajst-19313	31	2	.	.	X
ajst-19313	31	3	sealing	seal	VERB
ajst-19313	31	4	mechanism	mechanism	NOUN
ajst-19313	31	5	of	of	ADP
ajst-19313	31	6	drill	drill	NOUN
ajst-19313	31	7	pipe	pipe	NOUN
ajst-19313	31	8	joints	joint	NOUN
ajst-19313	31	9	the	the	DET
ajst-19313	31	10	sealing	sealing	NOUN
ajst-19313	31	11	function	function	NOUN
ajst-19313	31	12	of	of	ADP
ajst-19313	31	13	a	a	DET
ajst-19313	31	14	drill	drill	NOUN
ajst-19313	31	15	pipe	pipe	NOUN
ajst-19313	31	16	joint	joint	NOUN
ajst-19313	31	17	relies	rely	VERB
ajst-19313	31	18	primarily	primarily	ADV
ajst-19313	31	19	on	on	ADP
ajst-19313	31	20	317	317	NUM
ajst-19313	31	21	the	the	DET
ajst-19313	31	22	metal	metal	NOUN
ajst-19313	31	23	-	-	PUNCT
ajst-19313	31	24	to	to	ADP
ajst-19313	31	25	-	-	PUNCT
ajst-19313	31	26	metal	metal	NOUN
ajst-19313	31	27	surface	surface	NOUN
ajst-19313	31	28	elastic	elastic	ADJ
ajst-19313	31	29	interference	interference	NOUN
ajst-19313	31	30	fit	fit	NOUN
ajst-19313	31	31	of	of	ADP
ajst-19313	31	32	the	the	DET
ajst-19313	31	33	shoulder	shoulder	NOUN
ajst-19313	31	34	to	to	PART
ajst-19313	31	35	achieve	achieve	VERB
ajst-19313	31	36	a	a	DET
ajst-19313	31	37	seal	seal	NOUN
ajst-19313	31	38	.	.	PUNCT
ajst-19313	32	1	numerous	numerous	ADJ
ajst-19313	32	2	experts	expert	NOUN
ajst-19313	32	3	have	have	AUX
ajst-19313	32	4	studied	study	VERB
ajst-19313	32	5	the	the	DET
ajst-19313	32	6	sealing	sealing	NOUN
ajst-19313	32	7	performance	performance	NOUN
ajst-19313	32	8	of	of	ADP
ajst-19313	32	9	metal	metal	NOUN
ajst-19313	32	10	-	-	PUNCT
ajst-19313	32	11	to	to	ADP
ajst-19313	32	12	-	-	PUNCT
ajst-19313	32	13	metal	metal	NOUN
ajst-19313	32	14	,	,	PUNCT
ajst-19313	32	15	and	and	CCONJ
ajst-19313	32	16	this	this	DET
ajst-19313	32	17	paper	paper	NOUN
ajst-19313	32	18	combines	combine	VERB
ajst-19313	32	19	the	the	DET
ajst-19313	32	20	results	result	NOUN
ajst-19313	32	21	of	of	ADP
ajst-19313	32	22	previous	previous	ADJ
ajst-19313	32	23	studies	study	NOUN
ajst-19313	32	24	and	and	CCONJ
ajst-19313	32	25	simultaneously	simultaneously	ADV
ajst-19313	32	26	adopts	adopt	VERB
ajst-19313	32	27	two	two	NUM
ajst-19313	32	28	indexes	index	NOUN
ajst-19313	32	29	,	,	PUNCT
ajst-19313	32	30	the	the	DET
ajst-19313	32	31	sealing	sealing	NOUN
ajst-19313	32	32	index	index	NOUN
ajst-19313	32	33	,	,	PUNCT
ajst-19313	32	34	and	and	CCONJ
ajst-19313	32	35	mises	mise	NOUN
ajst-19313	32	36	stress	stress	VERB
ajst-19313	32	37	,	,	PUNCT
ajst-19313	32	38	as	as	ADP
ajst-19313	32	39	the	the	DET
ajst-19313	32	40	basis	basis	NOUN
ajst-19313	32	41	for	for	ADP
ajst-19313	32	42	judging	judge	VERB
ajst-19313	32	43	the	the	DET
ajst-19313	32	44	sealing	sealing	NOUN
ajst-19313	32	45	performance	performance	NOUN
ajst-19313	32	46	of	of	ADP
ajst-19313	32	47	drill	drill	NOUN
ajst-19313	32	48	pipe	pipe	NOUN
ajst-19313	32	49	joints	joint	NOUN
ajst-19313	32	50	.	.	PUNCT
ajst-19313	33	1	a)sealing	a)seale	VERB
ajst-19313	33	2	index	index	NOUN
ajst-19313	33	3	:	:	PUNCT
ajst-19313	33	4	to	to	PART
ajst-19313	33	5	comprehensively	comprehensively	ADV
ajst-19313	33	6	consider	consider	VERB
ajst-19313	33	7	the	the	DET
ajst-19313	33	8	influence	influence	NOUN
ajst-19313	33	9	of	of	ADP
ajst-19313	33	10	contact	contact	NOUN
ajst-19313	33	11	pressure	pressure	NOUN
ajst-19313	33	12	and	and	CCONJ
ajst-19313	33	13	contact	contact	NOUN
ajst-19313	33	14	length	length	NOUN
ajst-19313	33	15	on	on	ADP
ajst-19313	33	16	the	the	DET
ajst-19313	33	17	sealing	sealing	NOUN
ajst-19313	33	18	effect	effect	NOUN
ajst-19313	33	19	of	of	ADP
ajst-19313	33	20	drill	drill	NOUN
ajst-19313	33	21	pipe	pipe	NOUN
ajst-19313	33	22	joints	joint	NOUN
ajst-19313	33	23	,	,	PUNCT
ajst-19313	33	24	the	the	DET
ajst-19313	33	25	sealing	sealing	NOUN
ajst-19313	33	26	index	index	NOUN
ajst-19313	33	27	is	be	AUX
ajst-19313	33	28	introduced	introduce	VERB
ajst-19313	33	29	as	as	ADP
ajst-19313	33	30	the	the	DET
ajst-19313	33	31	basis	basis	NOUN
ajst-19313	33	32	for	for	ADP
ajst-19313	33	33	judging	judge	VERB
ajst-19313	33	34	the	the	DET
ajst-19313	33	35	sealing	sealing	NOUN
ajst-19313	33	36	performance	performance	NOUN
ajst-19313	33	37	.	.	PUNCT
ajst-19313	34	1	during	during	ADP
ajst-19313	34	2	machining	machining	NOUN
ajst-19313	34	3	,	,	PUNCT
ajst-19313	34	4	the	the	DET
ajst-19313	34	5	sealing	sealing	NOUN
ajst-19313	34	6	surfaces	surface	NOUN
ajst-19313	34	7	are	be	AUX
ajst-19313	34	8	not	not	PART
ajst-19313	34	9	smooth	smooth	ADJ
ajst-19313	34	10	,	,	PUNCT
ajst-19313	34	11	so	so	CCONJ
ajst-19313	34	12	the	the	DET
ajst-19313	34	13	roughness	roughness	NOUN
ajst-19313	34	14	of	of	ADP
ajst-19313	34	15	the	the	DET
ajst-19313	34	16	contact	contact	NOUN
ajst-19313	34	17	surfaces	surface	NOUN
ajst-19313	34	18	can	can	AUX
ajst-19313	34	19	result	result	VERB
ajst-19313	34	20	in	in	ADP
ajst-19313	34	21	a	a	DET
ajst-19313	34	22	gap	gap	NOUN
ajst-19313	34	23	remaining	remain	VERB
ajst-19313	34	24	after	after	ADP
ajst-19313	34	25	mating	mate	VERB
ajst-19313	34	26	.	.	PUNCT
ajst-19313	35	1	according	accord	VERB
ajst-19313	35	2	to	to	ADP
ajst-19313	35	3	the	the	DET
ajst-19313	35	4	theory	theory	NOUN
ajst-19313	35	5	of	of	ADP
ajst-19313	35	6	fluid	fluid	ADJ
ajst-19313	35	7	mechanics	mechanic	NOUN
ajst-19313	35	8	,	,	PUNCT
ajst-19313	35	9	the	the	DET
ajst-19313	35	10	cross	cross	ADJ
ajst-19313	35	11	-	-	ADJ
ajst-19313	35	12	sectional	sectional	ADJ
ajst-19313	35	13	area	area	NOUN
ajst-19313	35	14	of	of	ADP
ajst-19313	35	15	the	the	DET
ajst-19313	35	16	gap	gap	NOUN
ajst-19313	35	17	between	between	ADP
ajst-19313	35	18	the	the	DET
ajst-19313	35	19	sealing	sealing	NOUN
ajst-19313	35	20	surfaces	surface	NOUN
ajst-19313	35	21	and	and	CCONJ
ajst-19313	35	22	the	the	DET
ajst-19313	35	23	length	length	NOUN
ajst-19313	35	24	of	of	ADP
ajst-19313	35	25	the	the	DET
ajst-19313	35	26	leakage	leakage	NOUN
ajst-19313	35	27	path	path	NOUN
ajst-19313	35	28	determine	determine	VERB
ajst-19313	35	29	the	the	DET
ajst-19313	35	30	local	local	ADJ
ajst-19313	35	31	resistance	resistance	NOUN
ajst-19313	35	32	generated	generate	VERB
ajst-19313	35	33	when	when	SCONJ
ajst-19313	35	34	the	the	DET
ajst-19313	35	35	fluid	fluid	NOUN
ajst-19313	35	36	passes	pass	VERB
ajst-19313	35	37	through	through	ADP
ajst-19313	35	38	the	the	DET
ajst-19313	35	39	gap	gap	NOUN
ajst-19313	35	40	is[17	is[17	PROPN
ajst-19313	35	41	]	]	PUNCT
ajst-19313	35	42	:	:	PUNCT
ajst-19313	35	43	/f	/f	PUNCT
ajst-19313	36	1	l	l	PROPN
ajst-19313	36	2	s	s	VERB
ajst-19313	36	3			PROPN
ajst-19313	36	4			NOUN
ajst-19313	36	5	(	(	PUNCT
ajst-19313	36	6	1	1	X
ajst-19313	36	7	)	)	PUNCT
ajst-19313	36	8	the	the	PRON
ajst-19313	36	9	greater	great	ADJ
ajst-19313	36	10	the	the	DET
ajst-19313	36	11	contact	contact	NOUN
ajst-19313	36	12	stress	stress	NOUN
ajst-19313	36	13	on	on	ADP
ajst-19313	36	14	the	the	DET
ajst-19313	36	15	contact	contact	NOUN
ajst-19313	36	16	surface	surface	NOUN
ajst-19313	36	17	,	,	PUNCT
ajst-19313	36	18	the	the	DET
ajst-19313	36	19	smaller	small	ADJ
ajst-19313	36	20	the	the	DET
ajst-19313	36	21	cross	cross	ADJ
ajst-19313	36	22	-	-	ADJ
ajst-19313	36	23	sectional	sectional	ADJ
ajst-19313	36	24	area	area	NOUN
ajst-19313	36	25	of	of	ADP
ajst-19313	36	26	the	the	DET
ajst-19313	36	27	gap	gap	NOUN
ajst-19313	36	28	,	,	PUNCT
ajst-19313	36	29	and	and	CCONJ
ajst-19313	36	30	if	if	SCONJ
ajst-19313	36	31	the	the	DET
ajst-19313	36	32	two	two	NUM
ajst-19313	36	33	are	be	AUX
ajst-19313	36	34	proportional	proportional	ADJ
ajst-19313	36	35	,	,	PUNCT
ajst-19313	36	36	then	then	ADV
ajst-19313	36	37	there	there	PRON
ajst-19313	36	38	are	be	VERB
ajst-19313	36	39	:	:	PUNCT
ajst-19313	37	1	tf	tf	PROPN
ajst-19313	37	2	p	p	NOUN
ajst-19313	37	3	l	l	ADJ
ajst-19313	37	4			NOUN
ajst-19313	37	5			NOUN
ajst-19313	37	6	(	(	PUNCT
ajst-19313	37	7	2	2	X
ajst-19313	37	8	)	)	PUNCT
ajst-19313	37	9	the	the	DET
ajst-19313	37	10	leakage	leakage	NOUN
ajst-19313	37	11	resistance	resistance	NOUN
ajst-19313	37	12	is	be	AUX
ajst-19313	37	13	equivalent	equivalent	ADJ
ajst-19313	37	14	to	to	ADP
ajst-19313	37	15	the	the	DET
ajst-19313	37	16	contact	contact	NOUN
ajst-19313	37	17	stress	stress	NOUN
ajst-19313	37	18	accumulated	accumulate	VERB
ajst-19313	37	19	along	along	ADP
ajst-19313	37	20	the	the	DET
ajst-19313	37	21	leakage	leakage	NOUN
ajst-19313	37	22	path	path	NOUN
ajst-19313	37	23	.	.	PUNCT
ajst-19313	38	1	when	when	SCONJ
ajst-19313	38	2	a	a	DET
ajst-19313	38	3	gas	gas	NOUN
ajst-19313	38	4	or	or	CCONJ
ajst-19313	38	5	liquid	liquid	NOUN
ajst-19313	38	6	passes	pass	VERB
ajst-19313	38	7	through	through	ADP
ajst-19313	38	8	a	a	DET
ajst-19313	38	9	gap	gap	NOUN
ajst-19313	38	10	,	,	PUNCT
ajst-19313	38	11	the	the	DET
ajst-19313	38	12	resulting	result	VERB
ajst-19313	38	13	resistance	resistance	NOUN
ajst-19313	38	14	is	be	AUX
ajst-19313	38	15	:	:	PUNCT
ajst-19313	38	16	tf	tf	INTJ
ajst-19313	38	17	p	p	NOUN
ajst-19313	38	18	dl	dl	PROPN
ajst-19313	38	19			NOUN
ajst-19313	38	20			X
ajst-19313	38	21	(	(	PUNCT
ajst-19313	38	22	3	3	NUM
ajst-19313	38	23	)	)	PUNCT
ajst-19313	38	24	therefore	therefore	ADV
ajst-19313	38	25	,	,	PUNCT
ajst-19313	38	26	the	the	DET
ajst-19313	38	27	sealing	sealing	NOUN
ajst-19313	38	28	capacity	capacity	NOUN
ajst-19313	38	29	for	for	ADP
ajst-19313	38	30	a	a	DET
ajst-19313	38	31	drill	drill	NOUN
ajst-19313	38	32	pipe	pipe	NOUN
ajst-19313	38	33	joint	joint	NOUN
ajst-19313	38	34	can	can	AUX
ajst-19313	38	35	be	be	AUX
ajst-19313	38	36	obtained	obtain	VERB
ajst-19313	38	37	by	by	ADP
ajst-19313	38	38	integrating	integrate	VERB
ajst-19313	38	39	the	the	DET
ajst-19313	38	40	contact	contact	NOUN
ajst-19313	38	41	pressure	pressure	NOUN
ajst-19313	38	42	over	over	ADP
ajst-19313	38	43	the	the	DET
ajst-19313	38	44	effective	effective	ADJ
ajst-19313	38	45	sealing	sealing	NOUN
ajst-19313	38	46	length	length	NOUN
ajst-19313	38	47	les	le	NOUN
ajst-19313	38	48	on	on	ADP
ajst-19313	38	49	the	the	DET
ajst-19313	38	50	shoulder	shoulder	NOUN
ajst-19313	38	51	face	face	NOUN
ajst-19313	38	52	,	,	PUNCT
ajst-19313	38	53	which	which	PRON
ajst-19313	38	54	is	be	AUX
ajst-19313	38	55	expressed	express	VERB
ajst-19313	38	56	by	by	ADP
ajst-19313	38	57	the	the	DET
ajst-19313	38	58	sealing	sealing	NOUN
ajst-19313	38	59	index	index	NOUN
ajst-19313	38	60	w	w	PROPN
ajst-19313	38	61	:	:	PUNCT
ajst-19313	38	62	es	es	ADP
ajst-19313	38	63	tl	tl	PROPN
ajst-19313	38	64	w	w	PROPN
ajst-19313	38	65	p	p	PROPN
ajst-19313	38	66	dl	dl	PROPN
ajst-19313	38	67			X
ajst-19313	38	68	(	(	PUNCT
ajst-19313	38	69	4	4	X
ajst-19313	38	70	)	)	PUNCT
ajst-19313	38	71	comparing	compare	VERB
ajst-19313	38	72	the	the	DET
ajst-19313	38	73	critical	critical	ADJ
ajst-19313	38	74	sealing	sealing	NOUN
ajst-19313	38	75	index	index	NOUN
ajst-19313	38	76	of	of	ADP
ajst-19313	38	77	special	special	ADJ
ajst-19313	38	78	threaded	thread	VERB
ajst-19313	38	79	joints	joint	NOUN
ajst-19313	38	80	of	of	ADP
ajst-19313	38	81	oil	oil	NOUN
ajst-19313	38	82	pipes[18	pipes[18	NOUN
ajst-19313	38	83	]	]	PUNCT
ajst-19313	38	84	,	,	PUNCT
ajst-19313	38	85	the	the	DET
ajst-19313	38	86	critical	critical	ADJ
ajst-19313	38	87	sealing	sealing	NOUN
ajst-19313	38	88	index	index	NOUN
ajst-19313	38	89	of	of	ADP
ajst-19313	38	90	drill	drill	NOUN
ajst-19313	38	91	pipe	pipe	NOUN
ajst-19313	38	92	joints	joint	NOUN
ajst-19313	38	93	in	in	ADP
ajst-19313	38	94	the	the	DET
ajst-19313	38	95	presence	presence	NOUN
ajst-19313	38	96	of	of	ADP
ajst-19313	38	97	threaded	threaded	ADJ
ajst-19313	38	98	grease	grease	NOUN
ajst-19313	38	99	is	be	AUX
ajst-19313	38	100	considered	consider	VERB
ajst-19313	38	101	to	to	PART
ajst-19313	38	102	be	be	AUX
ajst-19313	38	103	:	:	PUNCT
ajst-19313	38	104	1.177	1.177	NUM
ajst-19313	38	105	1.843	1.843	NUM
ajst-19313	38	106	g	g	ADP
ajst-19313	38	107	ac	ac	PROPN
ajst-19313	38	108	a	a	DET
ajst-19313	38	109	p	p	X
ajst-19313	38	110	w	w	PROPN
ajst-19313	38	111	p	p	PROPN
ajst-19313	38	112			NOUN
ajst-19313	38	113			NOUN
ajst-19313	38	114			PROPN
ajst-19313	39	1			NUM
ajst-19313	39	2			CCONJ
ajst-19313	39	3			ADJ
ajst-19313	39	4			NOUN
ajst-19313	39	5	(	(	PUNCT
ajst-19313	39	6	5	5	NUM
ajst-19313	39	7	)	)	PUNCT
ajst-19313	39	8	where	where	SCONJ
ajst-19313	39	9	:	:	PUNCT
ajst-19313	39	10	l	l	VERB
ajst-19313	39	11	is	be	AUX
ajst-19313	39	12	the	the	DET
ajst-19313	39	13	leakage	leakage	NOUN
ajst-19313	39	14	path	path	NOUN
ajst-19313	39	15	length	length	NOUN
ajst-19313	39	16	,	,	PUNCT
ajst-19313	39	17	s	s	VERB
ajst-19313	39	18	is	be	AUX
ajst-19313	39	19	the	the	DET
ajst-19313	39	20	gap	gap	NOUN
ajst-19313	39	21	crosssectional	crosssectional	ADJ
ajst-19313	39	22	area	area	NOUN
ajst-19313	39	23	,	,	PUNCT
ajst-19313	39	24	tp	tp	NOUN
ajst-19313	39	25	is	be	AUX
ajst-19313	39	26	the	the	DET
ajst-19313	39	27	contact	contact	NOUN
ajst-19313	39	28	pressure	pressure	NOUN
ajst-19313	39	29	,	,	PUNCT
ajst-19313	39	30	gp	gp	NOUN
ajst-19313	39	31	is	be	AUX
ajst-19313	39	32	the	the	DET
ajst-19313	39	33	sealing	sealing	NOUN
ajst-19313	39	34	pressure	pressure	NOUN
ajst-19313	39	35	,	,	PUNCT
ajst-19313	39	36	and	and	CCONJ
ajst-19313	39	37	ap	ap	PROPN
ajst-19313	39	38	is	be	AUX
ajst-19313	39	39	the	the	DET
ajst-19313	39	40	atmospheric	atmospheric	ADJ
ajst-19313	39	41	pressure	pressure	NOUN
ajst-19313	39	42	.	.	PUNCT
ajst-19313	40	1	since	since	SCONJ
ajst-19313	40	2	the	the	DET
ajst-19313	40	3	drill	drill	NOUN
ajst-19313	40	4	pipe	pipe	NOUN
ajst-19313	40	5	is	be	AUX
ajst-19313	40	6	subjected	subject	VERB
ajst-19313	40	7	to	to	ADP
ajst-19313	40	8	both	both	PRON
ajst-19313	40	9	drilling	drill	VERB
ajst-19313	40	10	fluid	fluid	ADJ
ajst-19313	40	11	and	and	CCONJ
ajst-19313	40	12	circumferential	circumferential	ADJ
ajst-19313	40	13	pressure	pressure	NOUN
ajst-19313	40	14	during	during	ADP
ajst-19313	40	15	downhole	downhole	ADJ
ajst-19313	40	16	operations	operation	NOUN
ajst-19313	40	17	,	,	PUNCT
ajst-19313	40	18	the	the	DET
ajst-19313	40	19	sealing	sealing	NOUN
ajst-19313	40	20	pressure	pressure	NOUN
ajst-19313	40	21	should	should	AUX
ajst-19313	40	22	be	be	AUX
ajst-19313	40	23	greater	great	ADJ
ajst-19313	40	24	than	than	ADP
ajst-19313	40	25	the	the	DET
ajst-19313	40	26	pressure	pressure	NOUN
ajst-19313	40	27	difference	difference	NOUN
ajst-19313	40	28	between	between	ADP
ajst-19313	40	29	the	the	DET
ajst-19313	40	30	inside	inside	NOUN
ajst-19313	40	31	and	and	CCONJ
ajst-19313	40	32	outside	outside	ADP
ajst-19313	40	33	of	of	ADP
ajst-19313	40	34	the	the	DET
ajst-19313	40	35	drill	drill	NOUN
ajst-19313	40	36	pipe	pipe	NOUN
ajst-19313	40	37	to	to	PART
ajst-19313	40	38	achieve	achieve	VERB
ajst-19313	40	39	a	a	DET
ajst-19313	40	40	sealing	sealing	NOUN
ajst-19313	40	41	effect[19	effect[19	NOUN
ajst-19313	40	42	]	]	X
ajst-19313	40	43	.	.	PUNCT
ajst-19313	41	1	here	here	ADV
ajst-19313	41	2	the	the	DET
ajst-19313	41	3	critical	critical	ADJ
ajst-19313	41	4	sealing	sealing	NOUN
ajst-19313	41	5	pressure	pressure	NOUN
ajst-19313	41	6	is	be	AUX
ajst-19313	41	7	taken	take	VERB
ajst-19313	41	8	as	as	ADP
ajst-19313	41	9	the	the	DET
ajst-19313	41	10	pressure	pressure	NOUN
ajst-19313	41	11	difference	difference	NOUN
ajst-19313	41	12	between	between	ADP
ajst-19313	41	13	the	the	DET
ajst-19313	41	14	inside	inside	NOUN
ajst-19313	41	15	and	and	CCONJ
ajst-19313	41	16	outside	outside	ADP
ajst-19313	41	17	of	of	ADP
ajst-19313	41	18	the	the	DET
ajst-19313	41	19	drill	drill	NOUN
ajst-19313	41	20	pipe	pipe	NOUN
ajst-19313	41	21	as	as	ADP
ajst-19313	41	22	0mpa	0mpa	NOUN
ajst-19313	41	23	,	,	PUNCT
ajst-19313	41	24	10mpa	10mpa	NOUN
ajst-19313	41	25	,	,	PUNCT
ajst-19313	41	26	20mpa[20	20mpa[20	NOUN
ajst-19313	41	27	]	]	X
ajst-19313	41	28	.	.	PUNCT
ajst-19313	42	1	the	the	DET
ajst-19313	42	2	corresponding	corresponding	ADJ
ajst-19313	42	3	critical	critical	ADJ
ajst-19313	42	4	sealing	sealing	NOUN
ajst-19313	42	5	index	index	NOUN
ajst-19313	42	6	is	be	AUX
ajst-19313	42	7	calculated	calculate	VERB
ajst-19313	42	8	as	as	ADP
ajst-19313	42	9	0mm·mpa,416.4	0mm·mpa,416.4	PROPN
ajst-19313	42	10	mm·mpa,941.5mm·mpa	mm·mpa,941.5mm·mpa	PROPN
ajst-19313	42	11	.	.	PUNCT
ajst-19313	42	12	to	to	PART
ajst-19313	42	13	ensure	ensure	VERB
ajst-19313	42	14	the	the	DET
ajst-19313	42	15	sealing	sealing	NOUN
ajst-19313	42	16	of	of	ADP
ajst-19313	42	17	the	the	DET
ajst-19313	42	18	drill	drill	NOUN
ajst-19313	42	19	pipe	pipe	NOUN
ajst-19313	42	20	joints	joint	NOUN
ajst-19313	42	21	,	,	PUNCT
ajst-19313	42	22	it	it	PRON
ajst-19313	42	23	is	be	AUX
ajst-19313	42	24	necessary	necessary	ADJ
ajst-19313	42	25	to	to	PART
ajst-19313	42	26	allow	allow	VERB
ajst-19313	42	27	acw	acw	PROPN
ajst-19313	42	28	w	w	PROPN
ajst-19313	42	29	.	.	PUNCT
ajst-19313	43	1	b)mises	b)mise	NOUN
ajst-19313	43	2	stress	stress	VERB
ajst-19313	43	3	:	:	PUNCT
ajst-19313	43	4	when	when	SCONJ
ajst-19313	43	5	the	the	DET
ajst-19313	43	6	maximum	maximum	ADJ
ajst-19313	43	7	mises	mise	NOUN
ajst-19313	43	8	stress	stress	VERB
ajst-19313	43	9	on	on	ADP
ajst-19313	43	10	the	the	DET
ajst-19313	43	11	sealing	sealing	NOUN
ajst-19313	43	12	surface	surface	NOUN
ajst-19313	43	13	is	be	AUX
ajst-19313	43	14	too	too	ADV
ajst-19313	43	15	large	large	ADJ
ajst-19313	43	16	,	,	PUNCT
ajst-19313	43	17	the	the	DET
ajst-19313	43	18	contact	contact	NOUN
ajst-19313	43	19	surface	surface	NOUN
ajst-19313	43	20	is	be	AUX
ajst-19313	43	21	prone	prone	ADJ
ajst-19313	43	22	to	to	ADP
ajst-19313	43	23	plastic	plastic	ADJ
ajst-19313	43	24	yield	yield	NOUN
ajst-19313	43	25	,	,	PUNCT
ajst-19313	43	26	which	which	PRON
ajst-19313	43	27	in	in	ADP
ajst-19313	43	28	turn	turn	NOUN
ajst-19313	43	29	leads	lead	VERB
ajst-19313	43	30	to	to	ADP
ajst-19313	43	31	the	the	DET
ajst-19313	43	32	bonding	bonding	NOUN
ajst-19313	43	33	of	of	ADP
ajst-19313	43	34	the	the	DET
ajst-19313	43	35	sealing	sealing	NOUN
ajst-19313	43	36	contact	contact	NOUN
ajst-19313	43	37	surface	surface	NOUN
ajst-19313	43	38	.	.	PUNCT
ajst-19313	44	1	therefore	therefore	ADV
ajst-19313	44	2	,	,	PUNCT
ajst-19313	44	3	to	to	PART
ajst-19313	44	4	ensure	ensure	VERB
ajst-19313	44	5	the	the	DET
ajst-19313	44	6	sealing	sealing	NOUN
ajst-19313	44	7	reliability	reliability	NOUN
ajst-19313	44	8	of	of	ADP
ajst-19313	44	9	the	the	DET
ajst-19313	44	10	drill	drill	NOUN
ajst-19313	44	11	pipe	pipe	NOUN
ajst-19313	44	12	joint	joint	NOUN
ajst-19313	44	13	,	,	PUNCT
ajst-19313	44	14	the	the	DET
ajst-19313	44	15	mises	mise	NOUN
ajst-19313	44	16	stress	stress	NOUN
ajst-19313	44	17	of	of	ADP
ajst-19313	44	18	the	the	DET
ajst-19313	44	19	drill	drill	NOUN
ajst-19313	44	20	pipe	pipe	NOUN
ajst-19313	44	21	joint	joint	NOUN
ajst-19313	44	22	should	should	AUX
ajst-19313	44	23	be	be	AUX
ajst-19313	44	24	less	less	ADJ
ajst-19313	44	25	than	than	ADP
ajst-19313	44	26	the	the	DET
ajst-19313	44	27	yield	yield	NOUN
ajst-19313	44	28	strength	strength	NOUN
ajst-19313	44	29	of	of	ADP
ajst-19313	44	30	the	the	DET
ajst-19313	44	31	material[21	material[21	NOUN
ajst-19313	44	32	]	]	PUNCT
ajst-19313	44	33	.	.	PUNCT
ajst-19313	45	1	based	base	VERB
ajst-19313	45	2	on	on	ADP
ajst-19313	45	3	the	the	DET
ajst-19313	45	4	above	above	ADJ
ajst-19313	45	5	sealing	seal	VERB
ajst-19313	45	6	mechanism	mechanism	NOUN
ajst-19313	45	7	,	,	PUNCT
ajst-19313	45	8	this	this	DET
ajst-19313	45	9	paper	paper	NOUN
ajst-19313	45	10	comprehensively	comprehensively	ADV
ajst-19313	45	11	analyzes	analyze	VERB
ajst-19313	45	12	the	the	DET
ajst-19313	45	13	influence	influence	NOUN
ajst-19313	45	14	of	of	ADP
ajst-19313	45	15	different	different	ADJ
ajst-19313	45	16	thread	thread	NOUN
ajst-19313	45	17	parameter	parameter	NOUN
ajst-19313	45	18	deviations	deviation	NOUN
ajst-19313	45	19	on	on	ADP
ajst-19313	45	20	the	the	DET
ajst-19313	45	21	sealing	sealing	NOUN
ajst-19313	45	22	performance	performance	NOUN
ajst-19313	45	23	of	of	ADP
ajst-19313	45	24	drill	drill	NOUN
ajst-19313	45	25	pipe	pipe	NOUN
ajst-19313	45	26	joints	joint	NOUN
ajst-19313	45	27	under	under	ADP
ajst-19313	45	28	the	the	DET
ajst-19313	45	29	action	action	NOUN
ajst-19313	45	30	of	of	ADP
ajst-19313	45	31	upper	upper	ADJ
ajst-19313	45	32	buckle	buckle	NOUN
ajst-19313	45	33	torque	torque	NOUN
ajst-19313	45	34	and	and	CCONJ
ajst-19313	45	35	axial	axial	ADJ
ajst-19313	45	36	load	load	NOUN
ajst-19313	45	37	.	.	PUNCT
ajst-19313	46	1	3	3	X
ajst-19313	46	2	.	.	X
ajst-19313	46	3	drill	drill	NOUN
ajst-19313	46	4	pipe	pipe	NOUN
ajst-19313	46	5	joint	joint	ADJ
ajst-19313	46	6	thread	thread	NOUN
ajst-19313	46	7	limit	limit	NOUN
ajst-19313	46	8	deviation	deviation	NOUN
ajst-19313	46	9	analysis	analysis	NOUN
ajst-19313	46	10	a.	a.	NOUN
ajst-19313	46	11	taper	taper	NOUN
ajst-19313	46	12	limit	limit	NOUN
ajst-19313	46	13	deviation	deviation	NOUN
ajst-19313	46	14	the	the	DET
ajst-19313	46	15	basic	basic	ADJ
ajst-19313	46	16	parameters	parameter	NOUN
ajst-19313	46	17	of	of	ADP
ajst-19313	46	18	the	the	DET
ajst-19313	46	19	nc38	nc38	PROPN
ajst-19313	46	20	drill	drill	NOUN
ajst-19313	46	21	pipe	pipe	NOUN
ajst-19313	46	22	joint	joint	ADJ
ajst-19313	46	23	thread	thread	NOUN
ajst-19313	46	24	selected	select	VERB
ajst-19313	46	25	in	in	ADP
ajst-19313	46	26	this	this	DET
ajst-19313	46	27	paper	paper	NOUN
ajst-19313	46	28	are	be	AUX
ajst-19313	46	29	:	:	PUNCT
ajst-19313	46	30	taper	taper	NOUN
ajst-19313	46	31	is	be	AUX
ajst-19313	46	32	1:6	1:6	NUM
ajst-19313	46	33	;	;	PUNCT
ajst-19313	46	34	pitch	pitch	NOUN
ajst-19313	46	35	is	be	AUX
ajst-19313	46	36	6.35	6.35	NUM
ajst-19313	46	37	and	and	CCONJ
ajst-19313	46	38	the	the	DET
ajst-19313	46	39	flank	flank	NOUN
ajst-19313	46	40	angle	angle	NOUN
ajst-19313	46	41	is	be	AUX
ajst-19313	46	42	30	30	NUM
ajst-19313	46	43	°	°	ADP
ajst-19313	46	44	[22	[22	NOUN
ajst-19313	46	45	]	]	X
ajst-19313	46	46	.	.	PUNCT
ajst-19313	47	1	among	among	ADP
ajst-19313	47	2	them	they	PRON
ajst-19313	47	3	,	,	PUNCT
ajst-19313	47	4	the	the	DET
ajst-19313	47	5	taper	taper	NOUN
ajst-19313	47	6	tolerances	tolerance	NOUN
ajst-19313	47	7	of	of	ADP
ajst-19313	47	8	the	the	DET
ajst-19313	47	9	external	external	ADJ
ajst-19313	47	10	thread	thread	NOUN
ajst-19313	47	11	and	and	CCONJ
ajst-19313	47	12	internal	internal	ADJ
ajst-19313	47	13	thread	thread	NOUN
ajst-19313	47	14	of	of	ADP
ajst-19313	47	15	the	the	DET
ajst-19313	47	16	drill	drill	NOUN
ajst-19313	47	17	pipe	pipe	NOUN
ajst-19313	47	18	joint	joint	NOUN
ajst-19313	47	19	are	be	AUX
ajst-19313	47	20	:	:	PUNCT
ajst-19313	47	21	in	in	ADP
ajst-19313	47	22	the	the	DET
ajst-19313	47	23	range	range	NOUN
ajst-19313	47	24	of	of	ADP
ajst-19313	47	25	full	full	ADJ
ajst-19313	47	26	tooth	tooth	NOUN
ajst-19313	47	27	high	high	ADJ
ajst-19313	47	28	thread	thread	NOUN
ajst-19313	47	29	,	,	PUNCT
ajst-19313	47	30	and	and	CCONJ
ajst-19313	47	31	the	the	DET
ajst-19313	47	32	average	average	ADJ
ajst-19313	47	33	taper	taper	NOUN
ajst-19313	47	34	deviation	deviation	NOUN
ajst-19313	47	35	is	be	AUX
ajst-19313	47	36	0.0025	0.0025	NUM
ajst-19313	47	37	0	0	NUM
ajst-19313	47	38	mm	mm	NOUN
ajst-19313	47	39	/	/	SYM
ajst-19313	47	40	mm	mm	PROPN
ajst-19313	47	41	and	and	CCONJ
ajst-19313	47	42	0	0	NUM
ajst-19313	47	43	0.0025	0.0025	NUM
ajst-19313	47	44	mm	mm	NOUN
ajst-19313	47	45	/	/	SYM
ajst-19313	47	46	mm	mm	NOUN
ajst-19313	47	47	,	,	PUNCT
ajst-19313	47	48	respectively	respectively	ADV
ajst-19313	47	49	.	.	PUNCT
ajst-19313	48	1	figure	figure	NOUN
ajst-19313	48	2	1	1	NUM
ajst-19313	48	3	shows	show	VERB
ajst-19313	48	4	a	a	DET
ajst-19313	48	5	schematic	schematic	ADJ
ajst-19313	48	6	diagram	diagram	NOUN
ajst-19313	48	7	of	of	ADP
ajst-19313	48	8	the	the	DET
ajst-19313	48	9	limit	limit	NOUN
ajst-19313	48	10	deviation	deviation	NOUN
ajst-19313	48	11	of	of	ADP
ajst-19313	48	12	the	the	DET
ajst-19313	48	13	taper	taper	NOUN
ajst-19313	48	14	of	of	ADP
ajst-19313	48	15	the	the	DET
ajst-19313	48	16	external	external	ADJ
ajst-19313	48	17	thread	thread	NOUN
ajst-19313	48	18	.	.	PUNCT
ajst-19313	49	1	here	here	ADV
ajst-19313	49	2	,	,	PUNCT
ajst-19313	49	3	the	the	DET
ajst-19313	49	4	middle	middle	ADJ
ajst-19313	49	5	diameter	diameter	NOUN
ajst-19313	49	6	of	of	ADP
ajst-19313	49	7	the	the	DET
ajst-19313	49	8	thread	thread	NOUN
ajst-19313	49	9	measurement	measurement	NOUN
ajst-19313	49	10	reference	reference	NOUN
ajst-19313	49	11	point	point	NOUN
ajst-19313	49	12	is	be	AUX
ajst-19313	49	13	kept	keep	VERB
ajst-19313	49	14	unchanged	unchanged	ADJ
ajst-19313	49	15	,	,	PUNCT
ajst-19313	49	16	and	and	CCONJ
ajst-19313	49	17	the	the	DET
ajst-19313	49	18	taper	taper	NOUN
ajst-19313	49	19	deviation	deviation	NOUN
ajst-19313	49	20	is	be	AUX
ajst-19313	49	21	calculated	calculate	VERB
ajst-19313	49	22	according	accord	VERB
ajst-19313	49	23	to	to	ADP
ajst-19313	49	24	the	the	DET
ajst-19313	49	25	taper	taper	NOUN
ajst-19313	49	26	formula	formula	NOUN
ajst-19313	49	27	(	(	PUNCT
ajst-19313	49	28	6	6	NUM
ajst-19313	49	29	)	)	PUNCT
ajst-19313	49	30	to	to	PART
ajst-19313	49	31	obtain	obtain	VERB
ajst-19313	49	32	the	the	DET
ajst-19313	49	33	middle	middle	ADJ
ajst-19313	49	34	diameter	diameter	NOUN
ajst-19313	49	35	of	of	ADP
ajst-19313	49	36	the	the	DET
ajst-19313	49	37	large	large	ADJ
ajst-19313	49	38	end	end	NOUN
ajst-19313	49	39	of	of	ADP
ajst-19313	49	40	the	the	DET
ajst-19313	49	41	drill	drill	NOUN
ajst-19313	49	42	pipe	pipe	NOUN
ajst-19313	49	43	joint	joint	ADJ
ajst-19313	49	44	thread	thread	NOUN
ajst-19313	49	45	,	,	PUNCT
ajst-19313	49	46	and	and	CCONJ
ajst-19313	49	47	then	then	ADV
ajst-19313	49	48	the	the	DET
ajst-19313	49	49	limit	limit	NOUN
ajst-19313	49	50	taper	taper	NOUN
ajst-19313	49	51	of	of	ADP
ajst-19313	49	52	the	the	DET
ajst-19313	49	53	inner	inner	ADJ
ajst-19313	49	54	and	and	CCONJ
ajst-19313	49	55	outer	outer	ADJ
ajst-19313	49	56	threads	thread	NOUN
ajst-19313	49	57	is	be	AUX
ajst-19313	49	58	calculated	calculate	VERB
ajst-19313	49	59	.	.	PUNCT
ajst-19313	50	1	figure	figure	NOUN
ajst-19313	50	2	1	1	NUM
ajst-19313	50	3	.	.	PUNCT
ajst-19313	50	4	schematic	schematic	ADJ
ajst-19313	50	5	diagram	diagram	NOUN
ajst-19313	50	6	of	of	ADP
ajst-19313	50	7	the	the	DET
ajst-19313	50	8	limit	limit	NOUN
ajst-19313	50	9	tolerance	tolerance	NOUN
ajst-19313	50	10	of	of	ADP
ajst-19313	50	11	external	external	ADJ
ajst-19313	50	12	thread	thread	NOUN
ajst-19313	50	13	taper	taper	NOUN
ajst-19313	50	14			NOUN
ajst-19313	50	15	0	0	NOUN
ajst-19313	50	16	0	0	NUM
ajst-19313	51	1	0	0	NUM
ajst-19313	51	2	0	0	NUM
ajst-19313	51	3	0	0	NUM
ajst-19313	52	1	d	d	NOUN
ajst-19313	52	2	d	d	NOUN
ajst-19313	52	3	d	d	X
ajst-19313	52	4	dd	dd	PROPN
ajst-19313	52	5	d	d	X
ajst-19313	52	6	tpr	tpr	PROPN
ajst-19313	52	7	l	l	PROPN
ajst-19313	52	8	l	l	NOUN
ajst-19313	53	1	d	d	PUNCT
ajst-19313	53	2	d	d	X
ajst-19313	53	3	d	d	X
ajst-19313	53	4	d	d	X
ajst-19313	53	5	tpr	tpr	PROPN
ajst-19313	53	6	tpr	tpr	PROPN
ajst-19313	53	7	l	l	PROPN
ajst-19313	53	8	l	l	NOUN
ajst-19313	53	9			PUNCT
ajst-19313	53	10			PUNCT
ajst-19313	53	11			PROPN
ajst-19313	53	12			NUM
ajst-19313	53	13			NOUN
ajst-19313	53	14			PROPN
ajst-19313	53	15			PROPN
ajst-19313	53	16			NOUN
ajst-19313	53	17			PUNCT
ajst-19313	53	18			PROPN
ajst-19313	53	19			NOUN
ajst-19313	53	20			PROPN
ajst-19313	53	21			PROPN
ajst-19313	53	22			NOUN
ajst-19313	53	23			PUNCT
ajst-19313	53	24			ADJ
ajst-19313	53	25	(	(	PUNCT
ajst-19313	53	26	6	6	NUM
ajst-19313	53	27	)	)	PUNCT
ajst-19313	53	28	where	where	SCONJ
ajst-19313	53	29	tpr	tpr	PROPN
ajst-19313	53	30	is	be	AUX
ajst-19313	53	31	the	the	DET
ajst-19313	53	32	thread	thread	NOUN
ajst-19313	53	33	taper	taper	NOUN
ajst-19313	53	34	;	;	PUNCT
ajst-19313	53	35	l	l	NOUN
ajst-19313	53	36	is	be	AUX
ajst-19313	53	37	the	the	DET
ajst-19313	53	38	distance	distance	NOUN
ajst-19313	53	39	from	from	ADP
ajst-19313	53	40	the	the	DET
ajst-19313	53	41	measuring	measure	VERB
ajst-19313	53	42	reference	reference	NOUN
ajst-19313	53	43	surface	surface	NOUN
ajst-19313	53	44	to	to	ADP
ajst-19313	53	45	the	the	DET
ajst-19313	53	46	shoulder	shoulder	NOUN
ajst-19313	53	47	,	,	PUNCT
ajst-19313	53	48	d0	d0	PROPN
ajst-19313	53	49	is	be	AUX
ajst-19313	53	50	the	the	DET
ajst-19313	53	51	ideal	ideal	ADJ
ajst-19313	53	52	center	center	NOUN
ajst-19313	53	53	diameter	diameter	NOUN
ajst-19313	53	54	at	at	ADP
ajst-19313	53	55	the	the	DET
ajst-19313	53	56	measuring	measure	VERB
ajst-19313	53	57	reference	reference	NOUN
ajst-19313	53	58	surface	surface	NOUN
ajst-19313	53	59	,	,	PUNCT
ajst-19313	53	60	d	d	PROPN
ajst-19313	53	61	is	be	AUX
ajst-19313	53	62	the	the	DET
ajst-19313	53	63	actual	actual	ADJ
ajst-19313	53	64	center	center	NOUN
ajst-19313	53	65	diameter	diameter	NOUN
ajst-19313	53	66	at	at	ADP
ajst-19313	53	67	the	the	DET
ajst-19313	53	68	measuring	measure	VERB
ajst-19313	53	69	reference	reference	NOUN
ajst-19313	53	70	surface	surface	NOUN
ajst-19313	53	71	,	,	PUNCT
ajst-19313	53	72	d0	d0	PROPN
ajst-19313	53	73	is	be	AUX
ajst-19313	53	74	the	the	DET
ajst-19313	53	75	ideal	ideal	ADJ
ajst-19313	53	76	center	center	NOUN
ajst-19313	53	77	diameter	diameter	NOUN
ajst-19313	53	78	at	at	ADP
ajst-19313	53	79	the	the	DET
ajst-19313	53	80	large	large	ADJ
ajst-19313	53	81	end	end	NOUN
ajst-19313	53	82	of	of	ADP
ajst-19313	53	83	the	the	DET
ajst-19313	53	84	thread	thread	NOUN
ajst-19313	53	85	,	,	PUNCT
ajst-19313	53	86	d	d	X
ajst-19313	53	87	is	be	AUX
ajst-19313	53	88	the	the	DET
ajst-19313	53	89	actual	actual	ADJ
ajst-19313	53	90	center	center	NOUN
ajst-19313	53	91	diameter	diameter	NOUN
ajst-19313	53	92	at	at	ADP
ajst-19313	53	93	the	the	DET
ajst-19313	53	94	large	large	ADJ
ajst-19313	53	95	end	end	NOUN
ajst-19313	53	96	of	of	ADP
ajst-19313	53	97	the	the	DET
ajst-19313	53	98	thread	thread	NOUN
ajst-19313	53	99	,	,	PUNCT
ajst-19313	53	100	ds0	ds0	PROPN
ajst-19313	53	101	is	be	AUX
ajst-19313	53	102	the	the	DET
ajst-19313	53	103	ideal	ideal	ADJ
ajst-19313	53	104	center	center	NOUN
ajst-19313	53	105	diameter	diameter	NOUN
ajst-19313	53	106	at	at	ADP
ajst-19313	53	107	the	the	DET
ajst-19313	53	108	small	small	ADJ
ajst-19313	53	109	end	end	NOUN
ajst-19313	53	110	of	of	ADP
ajst-19313	53	111	the	the	DET
ajst-19313	53	112	thread	thread	NOUN
ajst-19313	53	113	ds	ds	NOUN
ajst-19313	53	114	is	be	AUX
ajst-19313	53	115	the	the	DET
ajst-19313	53	116	actual	actual	ADJ
ajst-19313	53	117	center	center	NOUN
ajst-19313	53	118	diameter	diameter	NOUN
ajst-19313	53	119	at	at	ADP
ajst-19313	53	120	the	the	DET
ajst-19313	53	121	small	small	ADJ
ajst-19313	53	122	end	end	NOUN
ajst-19313	53	123	of	of	ADP
ajst-19313	53	124	the	the	DET
ajst-19313	53	125	thread	thread	NOUN
ajst-19313	53	126	.	.	PUNCT
ajst-19313	54	1	this	this	PRON
ajst-19313	54	2	determines	determine	VERB
ajst-19313	54	3	the	the	DET
ajst-19313	54	4	parameters	parameter	NOUN
ajst-19313	54	5	of	of	ADP
ajst-19313	54	6	the	the	DET
ajst-19313	54	7	thread	thread	NOUN
ajst-19313	54	8	structure	structure	NOUN
ajst-19313	54	9	under	under	ADP
ajst-19313	54	10	the	the	DET
ajst-19313	54	11	taper	taper	NOUN
ajst-19313	54	12	limit	limit	NOUN
ajst-19313	54	13	deviation	deviation	NOUN
ajst-19313	54	14	as	as	SCONJ
ajst-19313	54	15	shown	show	VERB
ajst-19313	54	16	in	in	ADP
ajst-19313	54	17	table	table	NOUN
ajst-19313	54	18	1	1	NUM
ajst-19313	54	19	.	.	PUNCT
ajst-19313	55	1	among	among	ADP
ajst-19313	55	2	them	they	PRON
ajst-19313	55	3	,	,	PUNCT
ajst-19313	55	4	the	the	DET
ajst-19313	55	5	taper	taper	NOUN
ajst-19313	55	6	of	of	ADP
ajst-19313	55	7	male	male	ADJ
ajst-19313	55	8	and	and	CCONJ
ajst-19313	55	9	female	female	ADJ
ajst-19313	55	10	buttons	button	NOUN
ajst-19313	55	11	of	of	ADP
ajst-19313	55	12	drill	drill	NOUN
ajst-19313	55	13	pipe	pipe	NOUN
ajst-19313	55	14	joints	joint	NOUN
ajst-19313	55	15	are	be	AUX
ajst-19313	55	16	indicated	indicate	VERB
ajst-19313	55	17	by	by	ADP
ajst-19313	55	18	taper	taper	NOUN
ajst-19313	55	19	ⅰ	ⅰ	NOUN
ajst-19313	55	20	and	and	CCONJ
ajst-19313	55	21	ⅱ	ⅱ	PROPN
ajst-19313	55	22	respectively	respectively	ADV
ajst-19313	55	23	.	.	PUNCT
ajst-19313	56	1	table	table	NOUN
ajst-19313	56	2	1	1	NUM
ajst-19313	56	3	.	.	PUNCT
ajst-19313	56	4	thread	thread	NOUN
ajst-19313	56	5	structure	structure	NOUN
ajst-19313	56	6	parameters	parameter	NOUN
ajst-19313	56	7	under	under	ADP
ajst-19313	56	8	taper	taper	NOUN
ajst-19313	56	9	limit	limit	NOUN
ajst-19313	56	10	deviation	deviation	NOUN
ajst-19313	56	11	taper	taper	NOUN
ajst-19313	56	12	limit	limit	NOUN
ajst-19313	56	13	deviation	deviation	NOUN
ajst-19313	56	14	combination	combination	NOUN
ajst-19313	56	15	taperⅰ	taperⅰ	NOUN
ajst-19313	56	16	(	(	PUNCT
ajst-19313	56	17	mm	mm	NOUN
ajst-19313	56	18	/	/	SYM
ajst-19313	56	19	mm	mm	NOUN
ajst-19313	56	20	)	)	PUNCT
ajst-19313	56	21	taper	taper	NOUN
ajst-19313	56	22	ⅱ	ⅱ	PROPN
ajst-19313	56	23	(	(	PUNCT
ajst-19313	56	24	mm	mm	PROPN
ajst-19313	56	25	/	/	SYM
ajst-19313	56	26	mm	mm	NOUN
ajst-19313	56	27	)	)	PUNCT
ajst-19313	56	28	combination	combination	NOUN
ajst-19313	56	29	ⅰ	ⅰ	X
ajst-19313	56	30	1:5.91	1:5.91	NUM
ajst-19313	56	31	1:6	1:6	NUM
ajst-19313	56	32	combination	combination	NOUN
ajst-19313	56	33	ii	ii	NOUN
ajst-19313	56	34	1:6	1:6	NUM
ajst-19313	56	35	1:6.09	1:6.09	NUM
ajst-19313	56	36	combination	combination	NOUN
ajst-19313	56	37	iii	iii	NUM
ajst-19313	56	38	1:5.91	1:5.91	NUM
ajst-19313	56	39	1:6.09	1:6.09	NUM
ajst-19313	56	40	318	318	NUM
ajst-19313	56	41	b.	b.	NOUN
ajst-19313	56	42	analysis	analysis	NOUN
ajst-19313	56	43	of	of	ADP
ajst-19313	56	44	limit	limit	NOUN
ajst-19313	56	45	deviations	deviation	NOUN
ajst-19313	56	46	in	in	ADP
ajst-19313	56	47	the	the	DET
ajst-19313	56	48	lateral	lateral	ADJ
ajst-19313	56	49	angle	angle	NOUN
ajst-19313	56	50	of	of	ADP
ajst-19313	56	51	teeth	tooth	NOUN
ajst-19313	56	52	the	the	DET
ajst-19313	56	53	tolerance	tolerance	NOUN
ajst-19313	56	54	range	range	NOUN
ajst-19313	56	55	of	of	ADP
ajst-19313	56	56	the	the	DET
ajst-19313	56	57	lateral	lateral	ADJ
ajst-19313	56	58	angle	angle	NOUN
ajst-19313	56	59	of	of	ADP
ajst-19313	56	60	teeth	tooth	NOUN
ajst-19313	56	61	was	be	AUX
ajst-19313	56	62	selected	select	VERB
ajst-19313	56	63	in	in	ADP
ajst-19313	56	64	this	this	DET
ajst-19313	56	65	article	article	NOUN
ajst-19313	56	66	to	to	PART
ajst-19313	56	67	be	be	AUX
ajst-19313	56	68	±0.75	±0.75	PROPN
ajst-19313	56	69	°	°	ADP
ajst-19313	56	70	[22	[22	NOUN
ajst-19313	56	71	]	]	X
ajst-19313	56	72	.	.	PUNCT
ajst-19313	57	1	as	as	SCONJ
ajst-19313	57	2	shown	show	VERB
ajst-19313	57	3	in	in	ADP
ajst-19313	57	4	figure	figure	NOUN
ajst-19313	57	5	2	2	NUM
ajst-19313	57	6	is	be	AUX
ajst-19313	57	7	a	a	DET
ajst-19313	57	8	form	form	NOUN
ajst-19313	57	9	of	of	ADP
ajst-19313	57	10	limiting	limit	VERB
ajst-19313	57	11	deviation	deviation	NOUN
ajst-19313	57	12	in	in	ADP
ajst-19313	57	13	the	the	DET
ajst-19313	57	14	change	change	NOUN
ajst-19313	57	15	of	of	ADP
ajst-19313	57	16	tooth	tooth	NOUN
ajst-19313	57	17	side	side	NOUN
ajst-19313	57	18	angle	angle	NOUN
ajst-19313	57	19	,	,	PUNCT
ajst-19313	57	20	the	the	DET
ajst-19313	57	21	difference	difference	NOUN
ajst-19313	57	22	between	between	ADP
ajst-19313	57	23	the	the	DET
ajst-19313	57	24	actual	actual	ADJ
ajst-19313	57	25	tooth	tooth	NOUN
ajst-19313	57	26	side	side	NOUN
ajst-19313	57	27	angle	angle	NOUN
ajst-19313	57	28	and	and	CCONJ
ajst-19313	57	29	the	the	DET
ajst-19313	57	30	theoretical	theoretical	ADJ
ajst-19313	57	31	tooth	tooth	NOUN
ajst-19313	57	32	side	side	NOUN
ajst-19313	57	33	angle	angle	NOUN
ajst-19313	57	34	is	be	AUX
ajst-19313	57	35	the	the	DET
ajst-19313	57	36	threaded	thread	VERB
ajst-19313	57	37	tooth	tooth	NOUN
ajst-19313	57	38	side	side	NOUN
ajst-19313	57	39	angle	angle	NOUN
ajst-19313	57	40	deviation	deviation	NOUN
ajst-19313	57	41	,	,	PUNCT
ajst-19313	57	42	expressed	express	VERB
ajst-19313	57	43	as	as	ADP
ajst-19313	57	44	δθ	δθ	PROPN
ajst-19313	57	45	.	.	PUNCT
ajst-19313	57	46	figure	figure	NOUN
ajst-19313	57	47	2	2	NUM
ajst-19313	57	48	.	.	PUNCT
ajst-19313	57	49	schematic	schematic	ADJ
ajst-19313	57	50	diagram	diagram	NOUN
ajst-19313	57	51	of	of	ADP
ajst-19313	57	52	lateral	lateral	ADJ
ajst-19313	57	53	tooth	tooth	NOUN
ajst-19313	57	54	angle	angle	NOUN
ajst-19313	57	55	deviation	deviation	NOUN
ajst-19313	57	56	the	the	DET
ajst-19313	57	57	deviation	deviation	NOUN
ajst-19313	57	58	of	of	ADP
ajst-19313	57	59	the	the	DET
ajst-19313	57	60	flank	flank	NOUN
ajst-19313	57	61	angle	angle	NOUN
ajst-19313	57	62	of	of	ADP
ajst-19313	57	63	threaded	thread	VERB
ajst-19313	57	64	teeth	tooth	NOUN
ajst-19313	57	65	includes	include	VERB
ajst-19313	57	66	the	the	DET
ajst-19313	57	67	deviation	deviation	NOUN
ajst-19313	57	68	of	of	ADP
ajst-19313	57	69	the	the	DET
ajst-19313	57	70	left	left	ADJ
ajst-19313	57	71	and	and	CCONJ
ajst-19313	57	72	right	right	ADJ
ajst-19313	57	73	sides	side	NOUN
ajst-19313	57	74	of	of	ADP
ajst-19313	57	75	the	the	DET
ajst-19313	57	76	flank	flank	NOUN
ajst-19313	57	77	angle	angle	NOUN
ajst-19313	57	78	,	,	PUNCT
ajst-19313	57	79	which	which	PRON
ajst-19313	57	80	can	can	AUX
ajst-19313	57	81	be	be	AUX
ajst-19313	57	82	divided	divide	VERB
ajst-19313	57	83	into	into	ADP
ajst-19313	57	84	the	the	DET
ajst-19313	57	85	equivalent	equivalent	ADJ
ajst-19313	57	86	change	change	NOUN
ajst-19313	57	87	and	and	CCONJ
ajst-19313	57	88	the	the	DET
ajst-19313	57	89	unequal	unequal	ADJ
ajst-19313	57	90	change	change	NOUN
ajst-19313	57	91	deviation	deviation	NOUN
ajst-19313	57	92	of	of	ADP
ajst-19313	57	93	the	the	DET
ajst-19313	57	94	tooth	tooth	NOUN
ajst-19313	57	95	flank	flank	NOUN
ajst-19313	57	96	angle	angle	NOUN
ajst-19313	57	97	on	on	ADP
ajst-19313	57	98	both	both	DET
ajst-19313	57	99	sides	side	NOUN
ajst-19313	57	100	.	.	PUNCT
ajst-19313	58	1	in	in	ADP
ajst-19313	58	2	this	this	DET
ajst-19313	58	3	study	study	NOUN
ajst-19313	58	4	,	,	PUNCT
ajst-19313	58	5	we	we	PRON
ajst-19313	58	6	analyze	analyze	VERB
ajst-19313	58	7	the	the	DET
ajst-19313	58	8	equal	equal	ADJ
ajst-19313	58	9	variation	variation	NOUN
ajst-19313	58	10	of	of	ADP
ajst-19313	58	11	the	the	DET
ajst-19313	58	12	lateral	lateral	ADJ
ajst-19313	58	13	angle	angle	NOUN
ajst-19313	58	14	of	of	ADP
ajst-19313	58	15	the	the	DET
ajst-19313	58	16	teeth	tooth	NOUN
ajst-19313	58	17	on	on	ADP
ajst-19313	58	18	both	both	DET
ajst-19313	58	19	sides	side	NOUN
ajst-19313	58	20	of	of	ADP
ajst-19313	58	21	the	the	DET
ajst-19313	58	22	internal	internal	ADJ
ajst-19313	58	23	and	and	CCONJ
ajst-19313	58	24	external	external	ADJ
ajst-19313	58	25	threads	thread	NOUN
ajst-19313	58	26	,	,	PUNCT
ajst-19313	58	27	and	and	CCONJ
ajst-19313	58	28	the	the	DET
ajst-19313	58	29	specific	specific	ADJ
ajst-19313	58	30	structural	structural	ADJ
ajst-19313	58	31	parameters	parameter	NOUN
ajst-19313	58	32	are	be	AUX
ajst-19313	58	33	shown	show	VERB
ajst-19313	58	34	in	in	ADP
ajst-19313	58	35	table	table	NOUN
ajst-19313	58	36	2	2	NUM
ajst-19313	58	37	.	.	PUNCT
ajst-19313	59	1	among	among	ADP
ajst-19313	59	2	them	they	PRON
ajst-19313	59	3	,	,	PUNCT
ajst-19313	59	4	the	the	DET
ajst-19313	59	5	lateral	lateral	ADJ
ajst-19313	59	6	angles	angle	NOUN
ajst-19313	59	7	of	of	ADP
ajst-19313	59	8	the	the	DET
ajst-19313	59	9	male	male	ADJ
ajst-19313	59	10	buckle	buckle	NOUN
ajst-19313	59	11	and	and	CCONJ
ajst-19313	59	12	the	the	DET
ajst-19313	59	13	female	female	ADJ
ajst-19313	59	14	buckle	buckle	NOUN
ajst-19313	59	15	are	be	AUX
ajst-19313	59	16	indicated	indicate	VERB
ajst-19313	59	17	by	by	ADP
ajst-19313	59	18	the	the	DET
ajst-19313	59	19	lateral	lateral	ADJ
ajst-19313	59	20	angles	angle	NOUN
ajst-19313	59	21	i	i	PRON
ajst-19313	59	22	and	and	CCONJ
ajst-19313	59	23	ii	ii	VERB
ajst-19313	59	24	respectively	respectively	ADV
ajst-19313	59	25	.	.	PUNCT
ajst-19313	60	1	table	table	NOUN
ajst-19313	60	2	2	2	NUM
ajst-19313	60	3	.	.	PUNCT
ajst-19313	60	4	limit	limit	NOUN
ajst-19313	60	5	deviation	deviation	NOUN
ajst-19313	60	6	of	of	ADP
ajst-19313	60	7	tooth	tooth	NOUN
ajst-19313	60	8	side	side	NOUN
ajst-19313	60	9	angle	angle	NOUN
ajst-19313	60	10	thread	thread	NOUN
ajst-19313	60	11	structure	structure	NOUN
ajst-19313	60	12	parameters	parameter	NOUN
ajst-19313	60	13	tooth	tooth	VERB
ajst-19313	60	14	lateral	lateral	ADJ
ajst-19313	60	15	angle	angle	NOUN
ajst-19313	60	16	limit	limit	NOUN
ajst-19313	60	17	deviation	deviation	NOUN
ajst-19313	60	18	combinations	combination	NOUN
ajst-19313	60	19	tooth	tooth	NOUN
ajst-19313	60	20	side	side	NOUN
ajst-19313	60	21	angle	angle	NOUN
ajst-19313	60	22	ⅰ	ⅰ	X
ajst-19313	60	23	(	(	PUNCT
ajst-19313	60	24	°	°	NOUN
ajst-19313	60	25	)	)	PUNCT
ajst-19313	60	26	tooth	tooth	NOUN
ajst-19313	60	27	side	side	NOUN
ajst-19313	60	28	angle	angle	NOUN
ajst-19313	60	29	ⅱ	ⅱ	PROPN
ajst-19313	60	30	(	(	PUNCT
ajst-19313	60	31	°	°	PROPN
ajst-19313	60	32	)	)	PUNCT
ajst-19313	60	33	combination	combination	NOUN
ajst-19313	60	34	ⅰ	ⅰ	NOUN
ajst-19313	60	35	30.75	30.75	NUM
ajst-19313	60	36	29.25	29.25	NUM
ajst-19313	60	37	combination	combination	NOUN
ajst-19313	60	38	ii	ii	NOUN
ajst-19313	60	39	29.25	29.25	NUM
ajst-19313	60	40	30.75	30.75	NUM
ajst-19313	60	41	combination	combination	NOUN
ajst-19313	60	42	iii	iii	NUM
ajst-19313	60	43	30.75	30.75	NUM
ajst-19313	60	44	30.75	30.75	NUM
ajst-19313	60	45	combination	combination	NOUN
ajst-19313	60	46	iv	iv	NUM
ajst-19313	60	47	29.25	29.25	NUM
ajst-19313	60	48	29.25	29.25	NUM
ajst-19313	60	49	c.	c.	NOUN
ajst-19313	60	50	pitch	pitch	NOUN
ajst-19313	60	51	limit	limit	NOUN
ajst-19313	60	52	deviation	deviation	NOUN
ajst-19313	60	53	analysis	analysis	NOUN
ajst-19313	60	54	the	the	DET
ajst-19313	60	55	pitch	pitch	NOUN
ajst-19313	60	56	tolerance	tolerance	NOUN
ajst-19313	60	57	is	be	AUX
ajst-19313	60	58	required	require	VERB
ajst-19313	60	59	to	to	PART
ajst-19313	60	60	be	be	AUX
ajst-19313	60	61	within	within	ADP
ajst-19313	60	62	the	the	DET
ajst-19313	60	63	range	range	NOUN
ajst-19313	60	64	of	of	ADP
ajst-19313	60	65	full	full	ADJ
ajst-19313	60	66	tooth	tooth	NOUN
ajst-19313	60	67	high	high	ADJ
ajst-19313	60	68	threads	thread	NOUN
ajst-19313	60	69	,	,	PUNCT
ajst-19313	60	70	and	and	CCONJ
ajst-19313	60	71	the	the	DET
ajst-19313	60	72	cumulative	cumulative	ADJ
ajst-19313	60	73	pitch	pitch	NOUN
ajst-19313	60	74	deviation	deviation	NOUN
ajst-19313	60	75	should	should	AUX
ajst-19313	60	76	not	not	PART
ajst-19313	60	77	exceed	exceed	VERB
ajst-19313	60	78	±0.114mm[22	±0.114mm[22	NOUN
ajst-19313	60	79	]	]	PUNCT
ajst-19313	60	80	.	.	PUNCT
ajst-19313	61	1	drill	drill	NOUN
ajst-19313	61	2	pipe	pipe	NOUN
ajst-19313	61	3	joint	joint	ADJ
ajst-19313	61	4	thread	thread	NOUN
ajst-19313	61	5	pitch	pitch	NOUN
ajst-19313	61	6	is	be	AUX
ajst-19313	61	7	greatly	greatly	ADV
ajst-19313	61	8	affected	affect	VERB
ajst-19313	61	9	by	by	ADP
ajst-19313	61	10	the	the	DET
ajst-19313	61	11	actual	actual	ADJ
ajst-19313	61	12	processing	processing	NOUN
ajst-19313	61	13	conditions	condition	NOUN
ajst-19313	61	14	,	,	PUNCT
ajst-19313	61	15	there	there	PRON
ajst-19313	61	16	will	will	AUX
ajst-19313	61	17	be	be	AUX
ajst-19313	61	18	a	a	DET
ajst-19313	61	19	uniform	uniform	ADJ
ajst-19313	61	20	change	change	NOUN
ajst-19313	61	21	in	in	ADP
ajst-19313	61	22	the	the	DET
ajst-19313	61	23	thread	thread	NOUN
ajst-19313	61	24	pitch	pitch	NOUN
ajst-19313	61	25	deviation	deviation	NOUN
ajst-19313	61	26	and	and	CCONJ
ajst-19313	61	27	a	a	DET
ajst-19313	61	28	random	random	ADJ
ajst-19313	61	29	change	change	NOUN
ajst-19313	61	30	in	in	ADP
ajst-19313	61	31	the	the	DET
ajst-19313	61	32	deviation	deviation	NOUN
ajst-19313	61	33	of	of	ADP
ajst-19313	61	34	a	a	DET
ajst-19313	61	35	certain	certain	ADJ
ajst-19313	61	36	or	or	CCONJ
ajst-19313	61	37	a	a	DET
ajst-19313	61	38	few	few	ADJ
ajst-19313	61	39	threaded	thread	VERB
ajst-19313	61	40	teeth	tooth	NOUN
ajst-19313	61	41	.	.	PUNCT
ajst-19313	62	1	a	a	DET
ajst-19313	62	2	schematic	schematic	ADJ
ajst-19313	62	3	diagram	diagram	NOUN
ajst-19313	62	4	of	of	ADP
ajst-19313	62	5	the	the	DET
ajst-19313	62	6	pitch	pitch	NOUN
ajst-19313	62	7	deviation	deviation	NOUN
ajst-19313	62	8	is	be	AUX
ajst-19313	62	9	shown	show	VERB
ajst-19313	62	10	in	in	ADP
ajst-19313	62	11	figure	figure	NOUN
ajst-19313	62	12	3	3	NUM
ajst-19313	62	13	.	.	PUNCT
ajst-19313	62	14	figure	figure	NOUN
ajst-19313	62	15	3	3	NUM
ajst-19313	62	16	.	.	PUNCT
ajst-19313	62	17	schematic	schematic	ADJ
ajst-19313	62	18	diagram	diagram	NOUN
ajst-19313	62	19	of	of	ADP
ajst-19313	62	20	thread	thread	NOUN
ajst-19313	62	21	pitch	pitch	NOUN
ajst-19313	62	22	deviation	deviation	NOUN
ajst-19313	62	23	considering	consider	VERB
ajst-19313	62	24	the	the	DET
ajst-19313	62	25	feasibility	feasibility	NOUN
ajst-19313	62	26	of	of	ADP
ajst-19313	62	27	geometric	geometric	ADJ
ajst-19313	62	28	modeling	modeling	NOUN
ajst-19313	62	29	,	,	PUNCT
ajst-19313	62	30	this	this	DET
ajst-19313	62	31	study	study	NOUN
ajst-19313	62	32	analyzes	analyze	VERB
ajst-19313	62	33	the	the	DET
ajst-19313	62	34	variation	variation	NOUN
ajst-19313	62	35	of	of	ADP
ajst-19313	62	36	pitch	pitch	NOUN
ajst-19313	62	37	deviation	deviation	NOUN
ajst-19313	62	38	such	such	ADJ
ajst-19313	62	39	as	as	ADP
ajst-19313	62	40	the	the	DET
ajst-19313	62	41	pitch	pitch	NOUN
ajst-19313	62	42	of	of	ADP
ajst-19313	62	43	internal	internal	ADJ
ajst-19313	62	44	and	and	CCONJ
ajst-19313	62	45	external	external	ADJ
ajst-19313	62	46	threads	thread	NOUN
ajst-19313	62	47	in	in	ADP
ajst-19313	62	48	the	the	DET
ajst-19313	62	49	range	range	NOUN
ajst-19313	62	50	of	of	ADP
ajst-19313	62	51	full	full	ADJ
ajst-19313	62	52	-	-	PUNCT
ajst-19313	62	53	tooth	tooth	NOUN
ajst-19313	62	54	high	high	ADJ
ajst-19313	62	55	threads	thread	NOUN
ajst-19313	62	56	.	.	PUNCT
ajst-19313	63	1	therefore	therefore	ADV
ajst-19313	63	2	,	,	PUNCT
ajst-19313	63	3	the	the	DET
ajst-19313	63	4	cumulative	cumulative	ADJ
ajst-19313	63	5	pitch	pitch	NOUN
ajst-19313	63	6	deviation	deviation	NOUN
ajst-19313	63	7	is	be	AUX
ajst-19313	63	8	averaged	average	VERB
ajst-19313	63	9	to	to	ADP
ajst-19313	63	10	each	each	DET
ajst-19313	63	11	threaded	thread	VERB
ajst-19313	63	12	tooth	tooth	NOUN
ajst-19313	63	13	,	,	PUNCT
ajst-19313	63	14	and	and	CCONJ
ajst-19313	63	15	all	all	DET
ajst-19313	63	16	pitch	pitch	NOUN
ajst-19313	63	17	deviations	deviation	NOUN
ajst-19313	63	18	are	be	AUX
ajst-19313	63	19	δp=±0.0081	δp=±0.0081	PROPN
ajst-19313	63	20	mm	mm	NOUN
ajst-19313	63	21	.	.	PUNCT
ajst-19313	64	1	the	the	DET
ajst-19313	64	2	specific	specific	ADJ
ajst-19313	64	3	parameters	parameter	NOUN
ajst-19313	64	4	of	of	ADP
ajst-19313	64	5	the	the	DET
ajst-19313	64	6	thread	thread	NOUN
ajst-19313	64	7	structure	structure	NOUN
ajst-19313	64	8	of	of	ADP
ajst-19313	64	9	the	the	DET
ajst-19313	64	10	drill	drill	NOUN
ajst-19313	64	11	pipe	pipe	NOUN
ajst-19313	64	12	joint	joint	NOUN
ajst-19313	64	13	are	be	AUX
ajst-19313	64	14	shown	show	VERB
ajst-19313	64	15	in	in	ADP
ajst-19313	64	16	table	table	NOUN
ajst-19313	64	17	3	3	NUM
ajst-19313	64	18	.	.	PUNCT
ajst-19313	65	1	among	among	ADP
ajst-19313	65	2	them	they	PRON
ajst-19313	65	3	,	,	PUNCT
ajst-19313	65	4	the	the	DET
ajst-19313	65	5	pitch	pitch	NOUN
ajst-19313	65	6	of	of	ADP
ajst-19313	65	7	the	the	DET
ajst-19313	65	8	male	male	ADJ
ajst-19313	65	9	buckle	buckle	NOUN
ajst-19313	65	10	and	and	CCONJ
ajst-19313	65	11	female	female	ADJ
ajst-19313	65	12	buckle	buckle	NOUN
ajst-19313	65	13	of	of	ADP
ajst-19313	65	14	the	the	DET
ajst-19313	65	15	drill	drill	NOUN
ajst-19313	65	16	pipe	pipe	NOUN
ajst-19313	65	17	joint	joint	NOUN
ajst-19313	65	18	are	be	AUX
ajst-19313	65	19	indicated	indicate	VERB
ajst-19313	65	20	by	by	ADP
ajst-19313	65	21	the	the	DET
ajst-19313	65	22	pitch	pitch	NOUN
ajst-19313	65	23	i	i	PRON
ajst-19313	65	24	and	and	CCONJ
ajst-19313	65	25	ii	ii	VERB
ajst-19313	65	26	respectively	respectively	ADV
ajst-19313	65	27	.	.	PUNCT
ajst-19313	66	1	table	table	NOUN
ajst-19313	66	2	3	3	NUM
ajst-19313	66	3	.	.	PUNCT
ajst-19313	66	4	thread	thread	NOUN
ajst-19313	66	5	structure	structure	NOUN
ajst-19313	66	6	parameters	parameter	NOUN
ajst-19313	66	7	under	under	ADP
ajst-19313	66	8	pitch	pitch	NOUN
ajst-19313	66	9	limit	limit	NOUN
ajst-19313	66	10	deviation	deviation	NOUN
ajst-19313	66	11	pitch	pitch	NOUN
ajst-19313	66	12	limit	limit	NOUN
ajst-19313	66	13	deviation	deviation	NOUN
ajst-19313	66	14	combination	combination	NOUN
ajst-19313	66	15	pitch	pitch	NOUN
ajst-19313	66	16	ⅰ	ⅰ	X
ajst-19313	66	17	(	(	PUNCT
ajst-19313	66	18	mm	mm	NOUN
ajst-19313	66	19	)	)	PUNCT
ajst-19313	66	20	pitch	pitch	NOUN
ajst-19313	66	21	ⅱ	ⅱ	PROPN
ajst-19313	66	22	(	(	PUNCT
ajst-19313	66	23	mm	mm	NOUN
ajst-19313	66	24	)	)	PUNCT
ajst-19313	66	25	combination	combination	NOUN
ajst-19313	66	26	ⅰ	ⅰ	NOUN
ajst-19313	66	27	6.3581	6.3581	NUM
ajst-19313	66	28	6.3419	6.3419	NUM
ajst-19313	66	29	combination	combination	NOUN
ajst-19313	66	30	ii	ii	NOUN
ajst-19313	66	31	6.3419	6.3419	NUM
ajst-19313	66	32	6.3581	6.3581	NUM
ajst-19313	66	33	combination	combination	NOUN
ajst-19313	66	34	iii	iii	NUM
ajst-19313	66	35	6.3581	6.3581	NUM
ajst-19313	66	36	6.3581	6.3581	NUM
ajst-19313	66	37	combination	combination	NOUN
ajst-19313	66	38	iv	iv	NUM
ajst-19313	66	39	6.3419	6.3419	NUM
ajst-19313	66	40	6.3419	6.3419	NUM
ajst-19313	66	41	4	4	NUM
ajst-19313	66	42	.	.	PUNCT
ajst-19313	66	43	finite	finite	PROPN
ajst-19313	66	44	element	element	PROPN
ajst-19313	66	45	computational	computational	ADJ
ajst-19313	66	46	modeling	modeling	NOUN
ajst-19313	66	47	of	of	ADP
ajst-19313	66	48	drill	drill	NOUN
ajst-19313	66	49	pipe	pipe	NOUN
ajst-19313	66	50	joints	joint	NOUN
ajst-19313	66	51	a.	a.	NOUN
ajst-19313	66	52	drill	drill	NOUN
ajst-19313	66	53	pipe	pipe	NOUN
ajst-19313	66	54	joint	joint	ADJ
ajst-19313	66	55	model	model	NOUN
ajst-19313	66	56	simplification	simplification	NOUN
ajst-19313	66	57	in	in	ADP
ajst-19313	66	58	this	this	DET
ajst-19313	66	59	study	study	NOUN
ajst-19313	66	60	,	,	PUNCT
ajst-19313	66	61	the	the	DET
ajst-19313	66	62	finite	finite	PROPN
ajst-19313	66	63	element	element	PROPN
ajst-19313	66	64	calculation	calculation	NOUN
ajst-19313	66	65	model	model	NOUN
ajst-19313	66	66	uses	use	VERB
ajst-19313	66	67	nc38	nc38	PROPN
ajst-19313	66	68	drill	drill	NOUN
ajst-19313	66	69	pipe	pipe	NOUN
ajst-19313	66	70	joints	joint	NOUN
ajst-19313	66	71	with	with	ADP
ajst-19313	66	72	an	an	DET
ajst-19313	66	73	outer	outer	ADJ
ajst-19313	66	74	diameter	diameter	NOUN
ajst-19313	66	75	of	of	ADP
ajst-19313	66	76	127	127	NUM
ajst-19313	66	77	mm	mm	NOUN
ajst-19313	66	78	and	and	CCONJ
ajst-19313	66	79	an	an	DET
ajst-19313	66	80	inner	inner	ADJ
ajst-19313	66	81	diameter	diameter	NOUN
ajst-19313	66	82	of	of	ADP
ajst-19313	66	83	61.9	61.9	NUM
ajst-19313	66	84	mm	mm	NOUN
ajst-19313	66	85	.	.	PUNCT
ajst-19313	67	1	according	accord	VERB
ajst-19313	67	2	to	to	ADP
ajst-19313	67	3	the	the	DET
ajst-19313	67	4	existence	existence	NOUN
ajst-19313	67	5	of	of	ADP
ajst-19313	67	6	the	the	DET
ajst-19313	67	7	limit	limit	NOUN
ajst-19313	67	8	deviation	deviation	NOUN
ajst-19313	67	9	of	of	ADP
ajst-19313	67	10	thread	thread	NOUN
ajst-19313	67	11	parameters	parameter	NOUN
ajst-19313	67	12	analyzed	analyze	VERB
ajst-19313	67	13	earlier	early	ADV
ajst-19313	67	14	,	,	PUNCT
ajst-19313	67	15	the	the	DET
ajst-19313	67	16	finite	finite	ADJ
ajst-19313	67	17	element	element	NOUN
ajst-19313	67	18	models	model	NOUN
ajst-19313	67	19	of	of	ADP
ajst-19313	67	20	drill	drill	NOUN
ajst-19313	67	21	pipe	pipe	NOUN
ajst-19313	67	22	joints	joint	NOUN
ajst-19313	67	23	with	with	ADP
ajst-19313	67	24	different	different	ADJ
ajst-19313	67	25	structures	structure	NOUN
ajst-19313	67	26	are	be	AUX
ajst-19313	67	27	established	establish	VERB
ajst-19313	67	28	.	.	PUNCT
ajst-19313	68	1	due	due	ADP
ajst-19313	68	2	to	to	ADP
ajst-19313	68	3	the	the	DET
ajst-19313	68	4	small	small	ADJ
ajst-19313	68	5	rise	rise	NOUN
ajst-19313	68	6	angle	angle	NOUN
ajst-19313	68	7	of	of	ADP
ajst-19313	68	8	the	the	DET
ajst-19313	68	9	thread	thread	NOUN
ajst-19313	68	10	of	of	ADP
ajst-19313	68	11	the	the	DET
ajst-19313	68	12	drill	drill	NOUN
ajst-19313	68	13	pipe	pipe	NOUN
ajst-19313	68	14	joint	joint	NOUN
ajst-19313	68	15	,	,	PUNCT
ajst-19313	68	16	and	and	CCONJ
ajst-19313	68	17	the	the	DET
ajst-19313	68	18	analysis	analysis	NOUN
ajst-19313	68	19	of	of	ADP
ajst-19313	68	20	the	the	DET
ajst-19313	68	21	machining	machining	NOUN
ajst-19313	68	22	limit	limit	NOUN
ajst-19313	68	23	deviation	deviation	NOUN
ajst-19313	68	24	is	be	AUX
ajst-19313	68	25	large	large	ADJ
ajst-19313	68	26	,	,	PUNCT
ajst-19313	68	27	to	to	PART
ajst-19313	68	28	improve	improve	VERB
ajst-19313	68	29	the	the	DET
ajst-19313	68	30	calculation	calculation	NOUN
ajst-19313	68	31	efficiency	efficiency	NOUN
ajst-19313	68	32	,	,	PUNCT
ajst-19313	68	33	the	the	DET
ajst-19313	68	34	two	two	NUM
ajst-19313	68	35	-	-	PUNCT
ajst-19313	68	36	dimensional	dimensional	ADJ
ajst-19313	68	37	axisymmetric	axisymmetric	ADJ
ajst-19313	68	38	model	model	NOUN
ajst-19313	68	39	is	be	AUX
ajst-19313	68	40	used	use	VERB
ajst-19313	68	41	for	for	ADP
ajst-19313	68	42	modeling	modeling	NOUN
ajst-19313	68	43	and	and	CCONJ
ajst-19313	68	44	analysis	analysis	NOUN
ajst-19313	68	45	.	.	PUNCT
ajst-19313	69	1	taking	take	VERB
ajst-19313	69	2	into	into	ADP
ajst-19313	69	3	account	account	NOUN
ajst-19313	69	4	the	the	DET
ajst-19313	69	5	st	st	PROPN
ajst-19313	69	6	.	.	PROPN
ajst-19313	69	7	venant	venant	PROPN
ajst-19313	69	8	effect	effect	NOUN
ajst-19313	69	9	,	,	PUNCT
ajst-19313	69	10	the	the	DET
ajst-19313	69	11	length	length	NOUN
ajst-19313	69	12	of	of	ADP
ajst-19313	69	13	the	the	DET
ajst-19313	69	14	drill	drill	NOUN
ajst-19313	69	15	pipe	pipe	NOUN
ajst-19313	69	16	joint	joint	NOUN
ajst-19313	69	17	taken	take	VERB
ajst-19313	69	18	for	for	ADP
ajst-19313	69	19	modeling	modeling	NOUN
ajst-19313	69	20	is	be	AUX
ajst-19313	69	21	2	2	NUM
ajst-19313	69	22	times	time	NOUN
ajst-19313	69	23	the	the	DET
ajst-19313	69	24	distance	distance	NOUN
ajst-19313	69	25	from	from	ADP
ajst-19313	69	26	the	the	DET
ajst-19313	69	27	small	small	ADJ
ajst-19313	69	28	end	end	NOUN
ajst-19313	69	29	of	of	ADP
ajst-19313	69	30	the	the	DET
ajst-19313	69	31	thread	thread	NOUN
ajst-19313	69	32	to	to	ADP
ajst-19313	69	33	the	the	DET
ajst-19313	69	34	vanishing	vanish	VERB
ajst-19313	69	35	point	point	NOUN
ajst-19313	69	36	of	of	ADP
ajst-19313	69	37	the	the	DET
ajst-19313	69	38	large	large	ADJ
ajst-19313	69	39	end	end	NOUN
ajst-19313	69	40	of	of	ADP
ajst-19313	69	41	the	the	DET
ajst-19313	69	42	thread	thread	NOUN
ajst-19313	69	43	.	.	PUNCT
ajst-19313	70	1	assume	assume	VERB
ajst-19313	70	2	that	that	SCONJ
ajst-19313	70	3	the	the	DET
ajst-19313	70	4	drill	drill	NOUN
ajst-19313	70	5	pipe	pipe	NOUN
ajst-19313	70	6	joint	joint	NOUN
ajst-19313	70	7	is	be	AUX
ajst-19313	70	8	an	an	DET
ajst-19313	70	9	isotropic	isotropic	NOUN
ajst-19313	70	10	,	,	PUNCT
ajst-19313	70	11	continuous	continuous	ADJ
ajst-19313	70	12	homogeneous	homogeneous	ADJ
ajst-19313	70	13	body	body	NOUN
ajst-19313	70	14	.	.	PUNCT
ajst-19313	71	1	a	a	DET
ajst-19313	71	2	boundary	boundary	ADJ
ajst-19313	71	3	condition	condition	NOUN
ajst-19313	71	4	is	be	AUX
ajst-19313	71	5	a	a	DET
ajst-19313	71	6	fixed	fix	VERB
ajst-19313	71	7	boundary	boundary	ADJ
ajst-19313	71	8	condition	condition	NOUN
ajst-19313	71	9	that	that	PRON
ajst-19313	71	10	is	be	AUX
ajst-19313	71	11	applied	apply	VERB
ajst-19313	71	12	at	at	ADP
ajst-19313	71	13	one	one	NUM
ajst-19313	71	14	end	end	NOUN
ajst-19313	71	15	of	of	ADP
ajst-19313	71	16	the	the	DET
ajst-19313	71	17	buckle	buckle	NOUN
ajst-19313	71	18	.	.	PUNCT
ajst-19313	72	1	when	when	SCONJ
ajst-19313	72	2	the	the	DET
ajst-19313	72	3	external	external	ADJ
ajst-19313	72	4	load	load	NOUN
ajst-19313	72	5	is	be	AUX
ajst-19313	72	6	applied	apply	VERB
ajst-19313	72	7	,	,	PUNCT
ajst-19313	72	8	an	an	DET
ajst-19313	72	9	axial	axial	ADJ
ajst-19313	72	10	external	external	ADJ
ajst-19313	72	11	load	load	NOUN
ajst-19313	72	12	is	be	AUX
ajst-19313	72	13	applied	apply	VERB
ajst-19313	72	14	at	at	ADP
ajst-19313	72	15	one	one	NUM
ajst-19313	72	16	end	end	NOUN
ajst-19313	72	17	of	of	ADP
ajst-19313	72	18	the	the	DET
ajst-19313	72	19	female	female	ADJ
ajst-19313	72	20	buckle	buckle	NOUN
ajst-19313	72	21	.	.	PUNCT
ajst-19313	73	1	the	the	DET
ajst-19313	73	2	penalty	penalty	NOUN
ajst-19313	73	3	function	function	NOUN
ajst-19313	73	4	method	method	NOUN
ajst-19313	73	5	is	be	AUX
ajst-19313	73	6	used	use	VERB
ajst-19313	73	7	to	to	PART
ajst-19313	73	8	define	define	VERB
ajst-19313	73	9	the	the	DET
ajst-19313	73	10	tangential	tangential	ADJ
ajst-19313	73	11	contact	contact	NOUN
ajst-19313	73	12	boundary	boundary	NOUN
ajst-19313	73	13	of	of	ADP
ajst-19313	73	14	the	the	DET
ajst-19313	73	15	coulomb	coulomb	NOUN
ajst-19313	73	16	friction	friction	NOUN
ajst-19313	73	17	form	form	NOUN
ajst-19313	73	18	,	,	PUNCT
ajst-19313	73	19	and	and	CCONJ
ajst-19313	73	20	the	the	DET
ajst-19313	73	21	normal	normal	ADJ
ajst-19313	73	22	contact	contact	NOUN
ajst-19313	73	23	is	be	AUX
ajst-19313	73	24	set	set	VERB
ajst-19313	73	25	to	to	ADP
ajst-19313	73	26	the	the	DET
ajst-19313	73	27	"	"	PUNCT
ajst-19313	73	28	hard	hard	ADJ
ajst-19313	73	29	"	"	PUNCT
ajst-19313	73	30	contact	contact	NOUN
ajst-19313	73	31	.	.	PUNCT
ajst-19313	74	1	the	the	DET
ajst-19313	74	2	finite	finite	PROPN
ajst-19313	74	3	element	element	NOUN
ajst-19313	74	4	model	model	NOUN
ajst-19313	74	5	of	of	ADP
ajst-19313	74	6	the	the	DET
ajst-19313	74	7	drill	drill	NOUN
ajst-19313	74	8	pipe	pipe	NOUN
ajst-19313	74	9	joint	joint	NOUN
ajst-19313	74	10	is	be	AUX
ajst-19313	74	11	shown	show	VERB
ajst-19313	74	12	in	in	ADP
ajst-19313	74	13	figure	figure	NOUN
ajst-19313	74	14	4(a	4(a	NUM
ajst-19313	74	15	)	)	PUNCT
ajst-19313	74	16	.	.	PUNCT
ajst-19313	75	1	the	the	DET
ajst-19313	75	2	grid	grid	NOUN
ajst-19313	75	3	unit	unit	NOUN
ajst-19313	75	4	of	of	ADP
ajst-19313	75	5	the	the	DET
ajst-19313	75	6	drill	drill	NOUN
ajst-19313	75	7	pipe	pipe	NOUN
ajst-19313	75	8	joint	joint	NOUN
ajst-19313	75	9	is	be	AUX
ajst-19313	75	10	divided	divide	VERB
ajst-19313	75	11	into	into	ADP
ajst-19313	75	12	the	the	DET
ajst-19313	75	13	cax4r	cax4r	PROPN
ajst-19313	75	14	4	4	NUM
ajst-19313	75	15	-	-	NOUN
ajst-19313	75	16	node	node	ADJ
ajst-19313	75	17	bilinear	bilinear	NOUN
ajst-19313	75	18	axisymmetric	axisymmetric	PROPN
ajst-19313	75	19	quadrilateral	quadrilateral	ADJ
ajst-19313	75	20	unit	unit	NOUN
ajst-19313	75	21	,	,	PUNCT
ajst-19313	75	22	and	and	CCONJ
ajst-19313	75	23	the	the	DET
ajst-19313	75	24	mesh	mesh	NOUN
ajst-19313	75	25	refinement	refinement	NOUN
ajst-19313	75	26	of	of	ADP
ajst-19313	75	27	threaded	thread	VERB
ajst-19313	75	28	teeth	tooth	NOUN
ajst-19313	75	29	and	and	CCONJ
ajst-19313	75	30	torque	torque	NOUN
ajst-19313	75	31	shoulder	shoulder	NOUN
ajst-19313	75	32	is	be	AUX
ajst-19313	75	33	carried	carry	VERB
ajst-19313	75	34	out	out	ADP
ajst-19313	75	35	.	.	PUNCT
ajst-19313	76	1	the	the	DET
ajst-19313	76	2	total	total	ADJ
ajst-19313	76	3	number	number	NOUN
ajst-19313	76	4	of	of	ADP
ajst-19313	76	5	drill	drill	NOUN
ajst-19313	76	6	pipe	pipe	NOUN
ajst-19313	76	7	joint	joint	ADJ
ajst-19313	76	8	grid	grid	NOUN
ajst-19313	76	9	elements	element	NOUN
ajst-19313	76	10	is	be	AUX
ajst-19313	76	11	19393	19393	NUM
ajst-19313	76	12	,	,	PUNCT
ajst-19313	76	13	of	of	ADP
ajst-19313	76	14	which	which	PRON
ajst-19313	76	15	9526	9526	NUM
ajst-19313	76	16	mesh	mesh	NOUN
ajst-19313	76	17	elements	element	NOUN
ajst-19313	76	18	are	be	AUX
ajst-19313	76	19	male	male	ADJ
ajst-19313	76	20	joints	joint	NOUN
ajst-19313	76	21	and	and	CCONJ
ajst-19313	76	22	9867	9867	NUM
ajst-19313	76	23	mesh	mesh	NOUN
ajst-19313	76	24	elements	element	NOUN
ajst-19313	76	25	are	be	AUX
ajst-19313	76	26	female	female	ADJ
ajst-19313	76	27	joints	joint	NOUN
ajst-19313	76	28	,	,	PUNCT
ajst-19313	76	29	and	and	CCONJ
ajst-19313	76	30	the	the	DET
ajst-19313	76	31	grid	grid	NOUN
ajst-19313	76	32	elements	element	NOUN
ajst-19313	76	33	are	be	AUX
ajst-19313	76	34	shown	show	VERB
ajst-19313	76	35	in	in	ADP
ajst-19313	76	36	figure	figure	NOUN
ajst-19313	76	37	4(b	4(b	NUM
ajst-19313	76	38	)	)	PUNCT
ajst-19313	76	39	.	.	PUNCT
ajst-19313	77	1	(	(	PUNCT
ajst-19313	77	2	a	a	X
ajst-19313	77	3	)	)	PUNCT
ajst-19313	77	4	(	(	PUNCT
ajst-19313	77	5	b	b	X
ajst-19313	77	6	)	)	PUNCT
ajst-19313	77	7	figure	figure	NOUN
ajst-19313	77	8	4	4	NUM
ajst-19313	77	9	.	.	PUNCT
ajst-19313	77	10	drill	drill	NOUN
ajst-19313	77	11	pipe	pipe	NOUN
ajst-19313	77	12	joint	joint	ADJ
ajst-19313	77	13	model	model	NOUN
ajst-19313	77	14	319	319	NUM
ajst-19313	77	15	the	the	DET
ajst-19313	77	16	material	material	NOUN
ajst-19313	77	17	utilized	utilize	VERB
ajst-19313	77	18	for	for	ADP
ajst-19313	77	19	drill	drill	NOUN
ajst-19313	77	20	pipe	pipe	NOUN
ajst-19313	77	21	joints	joint	NOUN
ajst-19313	77	22	is	be	AUX
ajst-19313	77	23	37crmnmo	37crmnmo	NUM
ajst-19313	77	24	,	,	PUNCT
ajst-19313	77	25	possessing	possess	VERB
ajst-19313	77	26	a	a	DET
ajst-19313	77	27	modulus	modulus	NOUN
ajst-19313	77	28	of	of	ADP
ajst-19313	77	29	elasticity	elasticity	NOUN
ajst-19313	77	30	measured	measure	VERB
ajst-19313	77	31	at	at	ADP
ajst-19313	77	32	2.06×105	2.06×105	ADJ
ajst-19313	77	33	mpa	mpa	NOUN
ajst-19313	77	34	,	,	PUNCT
ajst-19313	77	35	a	a	DET
ajst-19313	77	36	poisson	poisson	NOUN
ajst-19313	77	37	's	's	PART
ajst-19313	77	38	ratio	ratio	NOUN
ajst-19313	77	39	of	of	ADP
ajst-19313	77	40	0.28	0.28	NUM
ajst-19313	77	41	,	,	PUNCT
ajst-19313	77	42	a	a	DET
ajst-19313	77	43	yield	yield	NOUN
ajst-19313	77	44	strength	strength	NOUN
ajst-19313	77	45	reaching	reach	VERB
ajst-19313	77	46	931	931	NUM
ajst-19313	77	47	mpa	mpa	NOUN
ajst-19313	77	48	,	,	PUNCT
ajst-19313	77	49	and	and	CCONJ
ajst-19313	77	50	a	a	DET
ajst-19313	77	51	tensile	tensile	NOUN
ajst-19313	77	52	strength	strength	NOUN
ajst-19313	77	53	of	of	ADP
ajst-19313	77	54	1035	1035	NUM
ajst-19313	77	55	mpa	mpa	NOUN
ajst-19313	77	56	.	.	PUNCT
ajst-19313	78	1	taking	take	VERB
ajst-19313	78	2	into	into	ADP
ajst-19313	78	3	account	account	NOUN
ajst-19313	78	4	the	the	DET
ajst-19313	78	5	influence	influence	NOUN
ajst-19313	78	6	of	of	ADP
ajst-19313	78	7	threaded	threaded	ADJ
ajst-19313	78	8	grease	grease	NOUN
ajst-19313	78	9	containing	contain	VERB
ajst-19313	78	10	zinc	zinc	NOUN
ajst-19313	78	11	powder	powder	NOUN
ajst-19313	78	12	ranging	range	VERB
ajst-19313	78	13	from	from	ADP
ajst-19313	78	14	40	40	NUM
ajst-19313	78	15	%	%	NOUN
ajst-19313	78	16	to	to	PART
ajst-19313	78	17	60	60	NUM
ajst-19313	78	18	%	%	NOUN
ajst-19313	78	19	by	by	ADP
ajst-19313	78	20	weight	weight	NOUN
ajst-19313	78	21	,	,	PUNCT
ajst-19313	78	22	the	the	DET
ajst-19313	78	23	coefficient	coefficient	NOUN
ajst-19313	78	24	of	of	ADP
ajst-19313	78	25	friction	friction	NOUN
ajst-19313	78	26	in	in	ADP
ajst-19313	78	27	the	the	DET
ajst-19313	78	28	finite	finite	PROPN
ajst-19313	78	29	element	element	NOUN
ajst-19313	78	30	calculation	calculation	NOUN
ajst-19313	78	31	was	be	AUX
ajst-19313	78	32	set	set	VERB
ajst-19313	78	33	at	at	ADP
ajst-19313	78	34	0.08[23	0.08[23	NOUN
ajst-19313	78	35	]	]	PUNCT
ajst-19313	78	36	.	.	PUNCT
ajst-19313	79	1	b.	b.	PROPN
ajst-19313	79	2	finite	finite	PROPN
ajst-19313	79	3	element	element	PROPN
ajst-19313	79	4	model	model	NOUN
ajst-19313	79	5	validation	validation	NOUN
ajst-19313	79	6	in	in	ADP
ajst-19313	79	7	the	the	DET
ajst-19313	79	8	software	software	NOUN
ajst-19313	80	1	,	,	PUNCT
ajst-19313	80	2	the	the	DET
ajst-19313	80	3	two	two	NUM
ajst-19313	80	4	-	-	PUNCT
ajst-19313	80	5	dimensional	dimensional	ADJ
ajst-19313	80	6	axisymmetric	axisymmetric	ADJ
ajst-19313	80	7	model	model	NOUN
ajst-19313	80	8	can	can	AUX
ajst-19313	80	9	not	not	PART
ajst-19313	80	10	directly	directly	ADV
ajst-19313	80	11	apply	apply	VERB
ajst-19313	80	12	the	the	DET
ajst-19313	80	13	upper	upper	ADJ
ajst-19313	80	14	buckle	buckle	NOUN
ajst-19313	80	15	torque	torque	NOUN
ajst-19313	80	16	,	,	PUNCT
ajst-19313	80	17	so	so	SCONJ
ajst-19313	80	18	the	the	DET
ajst-19313	80	19	method	method	NOUN
ajst-19313	80	20	of	of	ADP
ajst-19313	80	21	setting	set	VERB
ajst-19313	80	22	the	the	DET
ajst-19313	80	23	interference	interference	NOUN
ajst-19313	80	24	amount	amount	NOUN
ajst-19313	80	25	on	on	ADP
ajst-19313	80	26	the	the	DET
ajst-19313	80	27	shoulder	shoulder	NOUN
ajst-19313	80	28	surface	surface	NOUN
ajst-19313	80	29	is	be	AUX
ajst-19313	80	30	used	use	VERB
ajst-19313	80	31	to	to	PART
ajst-19313	80	32	apply	apply	VERB
ajst-19313	80	33	the	the	DET
ajst-19313	80	34	equivalent	equivalent	ADJ
ajst-19313	80	35	upper	upper	ADJ
ajst-19313	80	36	buckle	buckle	NOUN
ajst-19313	80	37	torque	torque	NOUN
ajst-19313	80	38	to	to	ADP
ajst-19313	80	39	the	the	DET
ajst-19313	80	40	finite	finite	PROPN
ajst-19313	80	41	element	element	NOUN
ajst-19313	80	42	model	model	NOUN
ajst-19313	80	43	.	.	PUNCT
ajst-19313	81	1	according	accord	VERB
ajst-19313	81	2	to	to	ADP
ajst-19313	81	3	the	the	DET
ajst-19313	81	4	api	api	NOUN
ajst-19313	81	5	upper	upper	ADJ
ajst-19313	81	6	buckle	buckle	NOUN
ajst-19313	81	7	torque	torque	NOUN
ajst-19313	81	8	calculation	calculation	NOUN
ajst-19313	81	9	formula	formula	NOUN
ajst-19313	81	10	(	(	PUNCT
ajst-19313	81	11	7	7	NUM
ajst-19313	81	12	)	)	PUNCT
ajst-19313	81	13	,	,	PUNCT
ajst-19313	81	14	the	the	DET
ajst-19313	81	15	upper	upper	ADJ
ajst-19313	81	16	buckle	buckle	NOUN
ajst-19313	81	17	torque	torque	NOUN
ajst-19313	81	18	t=21.5kn·m	t=21.5kn·m	PUNCT
ajst-19313	81	19	is	be	AUX
ajst-19313	81	20	calculated	calculate	VERB
ajst-19313	81	21	,	,	PUNCT
ajst-19313	81	22	and	and	CCONJ
ajst-19313	81	23	further	further	ADJ
ajst-19313	81	24	conversion	conversion	NOUN
ajst-19313	81	25	can	can	AUX
ajst-19313	81	26	be	be	AUX
ajst-19313	81	27	obtained	obtain	VERB
ajst-19313	81	28	that	that	SCONJ
ajst-19313	81	29	the	the	DET
ajst-19313	81	30	interference	interference	NOUN
ajst-19313	81	31	amount	amount	NOUN
ajst-19313	81	32	of	of	ADP
ajst-19313	81	33	the	the	DET
ajst-19313	81	34	shoulder	shoulder	NOUN
ajst-19313	81	35	is	be	AUX
ajst-19313	81	36	0.1	0.1	NUM
ajst-19313	81	37	mm	mm	NOUN
ajst-19313	81	38	.	.	PUNCT
ajst-19313	82	1	the	the	DET
ajst-19313	82	2	mises	mises	PROPN
ajst-19313	82	3	stress	stress	VERB
ajst-19313	82	4	cloud	cloud	NOUN
ajst-19313	82	5	of	of	ADP
ajst-19313	82	6	the	the	DET
ajst-19313	82	7	drill	drill	NOUN
ajst-19313	82	8	pipe	pipe	NOUN
ajst-19313	82	9	joint	joint	NOUN
ajst-19313	82	10	after	after	SCONJ
ajst-19313	82	11	the	the	DET
ajst-19313	82	12	upper	upper	ADJ
ajst-19313	82	13	buckle	buckle	NOUN
ajst-19313	82	14	is	be	AUX
ajst-19313	82	15	shown	show	VERB
ajst-19313	82	16	in	in	ADP
ajst-19313	82	17	figure	figure	NOUN
ajst-19313	82	18	5	5	NUM
ajst-19313	82	19	.	.	PUNCT
ajst-19313	83	1	the	the	DET
ajst-19313	83	2	maximum	maximum	PROPN
ajst-19313	83	3	mises	mises	PROPN
ajst-19313	83	4	stress	stress	NOUN
ajst-19313	83	5	of	of	ADP
ajst-19313	83	6	the	the	DET
ajst-19313	83	7	model	model	NOUN
ajst-19313	83	8	is	be	AUX
ajst-19313	83	9	578.78mpa	578.78mpa	PROPN
ajst-19313	83	10	,	,	PUNCT
ajst-19313	83	11	which	which	PRON
ajst-19313	83	12	is	be	AUX
ajst-19313	83	13	about	about	ADV
ajst-19313	83	14	60	60	NUM
ajst-19313	83	15	%	%	NOUN
ajst-19313	83	16	of	of	ADP
ajst-19313	83	17	the	the	DET
ajst-19313	83	18	yield	yield	NOUN
ajst-19313	83	19	strength	strength	NOUN
ajst-19313	83	20	of	of	ADP
ajst-19313	83	21	the	the	DET
ajst-19313	83	22	material	material	NOUN
ajst-19313	83	23	,	,	PUNCT
ajst-19313	83	24	which	which	PRON
ajst-19313	83	25	is	be	AUX
ajst-19313	83	26	in	in	ADP
ajst-19313	83	27	line	line	NOUN
ajst-19313	83	28	with	with	ADP
ajst-19313	83	29	engineering	engineering	NOUN
ajst-19313	83	30	experience	experience	NOUN
ajst-19313	83	31	,	,	PUNCT
ajst-19313	83	32	which	which	PRON
ajst-19313	83	33	verifies	verify	VERB
ajst-19313	83	34	the	the	DET
ajst-19313	83	35	effectiveness	effectiveness	NOUN
ajst-19313	83	36	of	of	ADP
ajst-19313	83	37	the	the	DET
ajst-19313	83	38	model[24	model[24	NOUN
ajst-19313	83	39	]	]	X
ajst-19313	83	40	.	.	PUNCT
ajst-19313	84	1	12	12	NUM
ajst-19313	84	2	2	2	NUM
ajst-19313	84	3	cos	cos	ADP
ajst-19313	84	4	t	t	NOUN
ajst-19313	84	5	s	s	PART
ajst-19313	84	6	r	r	PROPN
ajst-19313	84	7	fsa	fsa	PROPN
ajst-19313	84	8	p	p	PROPN
ajst-19313	84	9	t	t	PROPN
ajst-19313	84	10	r	r	NOUN
ajst-19313	84	11	f	f	PROPN
ajst-19313	84	12			PROPN
ajst-19313	84	13			PROPN
ajst-19313	84	14			PROPN
ajst-19313	84	15			PROPN
ajst-19313	84	16			PROPN
ajst-19313	84	17			PROPN
ajst-19313	84	18			PROPN
ajst-19313	84	19			PROPN
ajst-19313	84	20			NOUN
ajst-19313	84	21	(	(	PUNCT
ajst-19313	84	22	7	7	NUM
ajst-19313	84	23	)	)	PUNCT
ajst-19313	84	24			PROPN
ajst-19313	85	1	0.625	0.625	NOUN
ajst-19313	85	2	1/12	1/12	NUM
ajst-19313	85	3	4	4	NUM
ajst-19313	85	4	pc	pc	NOUN
ajst-19313	85	5	t	t	NOUN
ajst-19313	85	6	c	c	NOUN
ajst-19313	85	7	c	c	NOUN
ajst-19313	85	8	l	l	X
ajst-19313	85	9	tpr	tpr	PROPN
ajst-19313	85	10	r	r	NOUN
ajst-19313	85	11			X
ajst-19313	85	12			PROPN
ajst-19313	85	13			PROPN
ajst-19313	85	14			PROPN
ajst-19313	85	15			PROPN
ajst-19313	86	1			PROPN
ajst-19313	86	2			PROPN
ajst-19313	86	3	(	(	PUNCT
ajst-19313	86	4	8)	8)	NUM
ajst-19313	86	5	4	4	NUM
ajst-19313	86	6	c	c	NOUN
ajst-19313	86	7	s	s	NOUN
ajst-19313	86	8	od	od	PROPN
ajst-19313	86	9	q	q	NOUN
ajst-19313	86	10	r	r	NOUN
ajst-19313	86	11			ADV
ajst-19313	86	12			NUM
ajst-19313	86	13	(	(	PUNCT
ajst-19313	86	14	9	9	NUM
ajst-19313	86	15	)	)	PUNCT
ajst-19313	86	16	where	where	SCONJ
ajst-19313	86	17	:	:	PUNCT
ajst-19313	86	18	t	t	PROPN
ajst-19313	86	19	represents	represent	VERB
ajst-19313	86	20	the	the	DET
ajst-19313	86	21	drilling	drilling	NOUN
ajst-19313	86	22	column	column	NOUN
ajst-19313	86	23	joint	joint	ADJ
ajst-19313	86	24	make	make	VERB
ajst-19313	86	25	-	-	PUNCT
ajst-19313	86	26	up	up	ADP
ajst-19313	86	27	torque	torque	NOUN
ajst-19313	86	28	,	,	PUNCT
ajst-19313	86	29	s	s	PART
ajst-19313	86	30	denotes	denote	NOUN
ajst-19313	86	31	the	the	DET
ajst-19313	86	32	api	api	NOUN
ajst-19313	86	33	recommended	recommend	VERB
ajst-19313	86	34	make	make	VERB
ajst-19313	86	35	-	-	PUNCT
ajst-19313	86	36	up	up	ADP
ajst-19313	86	37	torque	torque	NOUN
ajst-19313	86	38	,	,	PUNCT
ajst-19313	86	39	a	a	DET
ajst-19313	86	40	signifies	signifie	NOUN
ajst-19313	86	41	the	the	DET
ajst-19313	86	42	smaller	small	ADJ
ajst-19313	86	43	value	value	NOUN
ajst-19313	86	44	of	of	ADP
ajst-19313	86	45	the	the	DET
ajst-19313	86	46	cross	cross	ADJ
ajst-19313	86	47	-	-	ADJ
ajst-19313	86	48	sectional	sectional	ADJ
ajst-19313	86	49	area	area	NOUN
ajst-19313	86	50	at	at	ADP
ajst-19313	86	51	the	the	DET
ajst-19313	86	52	root	root	NOUN
ajst-19313	86	53	of	of	ADP
ajst-19313	86	54	the	the	DET
ajst-19313	86	55	first	first	ADJ
ajst-19313	86	56	engaging	engaging	ADJ
ajst-19313	86	57	thread	thread	NOUN
ajst-19313	86	58	,	,	PUNCT
ajst-19313	86	59	p	p	NOUN
ajst-19313	86	60	stands	stand	VERB
ajst-19313	86	61	for	for	ADP
ajst-19313	86	62	the	the	DET
ajst-19313	86	63	pitch	pitch	NOUN
ajst-19313	86	64	,	,	PUNCT
ajst-19313	86	65	f	f	PROPN
ajst-19313	86	66	is	be	AUX
ajst-19313	86	67	the	the	DET
ajst-19313	86	68	friction	friction	NOUN
ajst-19313	86	69	coefficient	coefficient	NOUN
ajst-19313	86	70	of	of	ADP
ajst-19313	86	71	the	the	DET
ajst-19313	86	72	contact	contact	NOUN
ajst-19313	86	73	surface	surface	NOUN
ajst-19313	86	74	of	of	ADP
ajst-19313	86	75	the	the	DET
ajst-19313	86	76	effective	effective	ADJ
ajst-19313	86	77	engaging	engaging	ADJ
ajst-19313	86	78	teeth	tooth	NOUN
ajst-19313	86	79	between	between	ADP
ajst-19313	86	80	the	the	DET
ajst-19313	86	81	male	male	ADJ
ajst-19313	86	82	connector	connector	NOUN
ajst-19313	86	83	and	and	CCONJ
ajst-19313	86	84	the	the	DET
ajst-19313	86	85	female	female	ADJ
ajst-19313	86	86	connector	connector	NOUN
ajst-19313	86	87	,	,	PUNCT
ajst-19313	86	88	θ	θ	PROPN
ajst-19313	86	89	is	be	AUX
ajst-19313	86	90	the	the	DET
ajst-19313	86	91	tooth	tooth	NOUN
ajst-19313	86	92	half	half	ADJ
ajst-19313	86	93	-	-	PUNCT
ajst-19313	86	94	angle	angle	NOUN
ajst-19313	86	95	,	,	PUNCT
ajst-19313	86	96	c	c	PROPN
ajst-19313	86	97	represents	represent	VERB
ajst-19313	86	98	the	the	DET
ajst-19313	86	99	median	median	ADJ
ajst-19313	86	100	diameter	diameter	NOUN
ajst-19313	86	101	of	of	ADP
ajst-19313	86	102	the	the	DET
ajst-19313	86	103	base	base	NOUN
ajst-19313	86	104	surface	surface	NOUN
ajst-19313	86	105	,	,	PUNCT
ajst-19313	86	106	tpr	tpr	PROPN
ajst-19313	86	107	is	be	AUX
ajst-19313	86	108	the	the	DET
ajst-19313	86	109	taper	taper	NOUN
ajst-19313	86	110	,	,	PUNCT
ajst-19313	86	111	lpc	lpc	PROPN
ajst-19313	86	112	is	be	AUX
ajst-19313	86	113	the	the	DET
ajst-19313	86	114	length	length	NOUN
ajst-19313	86	115	of	of	ADP
ajst-19313	86	116	the	the	DET
ajst-19313	86	117	male	male	ADJ
ajst-19313	86	118	connector	connector	NOUN
ajst-19313	86	119	male	male	NOUN
ajst-19313	86	120	threads	thread	NOUN
ajst-19313	86	121	,	,	PUNCT
ajst-19313	86	122	od	od	PROPN
ajst-19313	86	123	is	be	AUX
ajst-19313	86	124	the	the	DET
ajst-19313	86	125	outside	outside	ADJ
ajst-19313	86	126	diameter	diameter	NOUN
ajst-19313	86	127	of	of	ADP
ajst-19313	86	128	the	the	DET
ajst-19313	86	129	drilling	drilling	NOUN
ajst-19313	86	130	column	column	NOUN
ajst-19313	86	131	connector	connector	NOUN
ajst-19313	86	132	,	,	PUNCT
ajst-19313	86	133	qc	qc	PROPN
ajst-19313	86	134	denotes	denote	VERB
ajst-19313	86	135	the	the	DET
ajst-19313	86	136	diameter	diameter	NOUN
ajst-19313	86	137	of	of	ADP
ajst-19313	86	138	the	the	DET
ajst-19313	86	139	boring	boring	ADJ
ajst-19313	86	140	hole	hole	NOUN
ajst-19313	86	141	of	of	ADP
ajst-19313	86	142	the	the	DET
ajst-19313	86	143	drilling	drilling	NOUN
ajst-19313	86	144	column	column	NOUN
ajst-19313	86	145	connector	connector	NOUN
ajst-19313	86	146	.	.	PUNCT
ajst-19313	87	1	figure	figure	NOUN
ajst-19313	87	2	5	5	NUM
ajst-19313	87	3	.	.	PUNCT
ajst-19313	88	1	api	api	NOUN
ajst-19313	88	2	nc38	nc38	PROPN
ajst-19313	88	3	make	make	VERB
ajst-19313	88	4	-	-	PUNCT
ajst-19313	88	5	up	up	ADP
ajst-19313	88	6	torque	torque	NOUN
ajst-19313	88	7	state	state	NOUN
ajst-19313	88	8	mises	mise	NOUN
ajst-19313	88	9	stress	stress	VERB
ajst-19313	88	10	contour	contour	NOUN
ajst-19313	88	11	map	map	NOUN
ajst-19313	88	12	the	the	DET
ajst-19313	88	13	finite	finite	PROPN
ajst-19313	88	14	element	element	NOUN
ajst-19313	88	15	calculation	calculation	NOUN
ajst-19313	88	16	results	result	NOUN
ajst-19313	88	17	of	of	ADP
ajst-19313	88	18	the	the	DET
ajst-19313	88	19	nc38	nc38	PROPN
ajst-19313	88	20	finite	finite	NOUN
ajst-19313	88	21	element	element	NOUN
ajst-19313	88	22	model	model	NOUN
ajst-19313	88	23	after	after	ADP
ajst-19313	88	24	the	the	DET
ajst-19313	88	25	upper	upper	ADJ
ajst-19313	88	26	buckle	buckle	NOUN
ajst-19313	88	27	in	in	ADP
ajst-19313	88	28	this	this	DET
ajst-19313	88	29	paper	paper	NOUN
ajst-19313	88	30	are	be	AUX
ajst-19313	88	31	compared	compare	VERB
ajst-19313	88	32	with	with	ADP
ajst-19313	88	33	the	the	DET
ajst-19313	88	34	thread	thread	NOUN
ajst-19313	88	35	contact	contact	NOUN
ajst-19313	88	36	pressure	pressure	NOUN
ajst-19313	88	37	of	of	ADP
ajst-19313	88	38	the	the	DET
ajst-19313	88	39	nc38	nc38	PROPN
ajst-19313	88	40	drill	drill	NOUN
ajst-19313	88	41	pipe	pipe	NOUN
ajst-19313	88	42	joint	joint	NOUN
ajst-19313	88	43	after	after	ADP
ajst-19313	88	44	buckling	buckle	VERB
ajst-19313	88	45	calculated	calculate	VERB
ajst-19313	88	46	by	by	ADP
ajst-19313	88	47	he	he	PRON
ajst-19313	88	48	ti	ti	PROPN
ajst-19313	88	49	cai	cai	X
ajst-19313	88	50	using	use	VERB
ajst-19313	88	51	the	the	DET
ajst-19313	88	52	theoretical	theoretical	ADJ
ajst-19313	88	53	model[25	model[25	NOUN
ajst-19313	88	54	]	]	PUNCT
ajst-19313	88	55	,	,	PUNCT
ajst-19313	88	56	and	and	CCONJ
ajst-19313	88	57	the	the	DET
ajst-19313	88	58	comparison	comparison	NOUN
ajst-19313	88	59	results	result	NOUN
ajst-19313	88	60	obtained	obtain	VERB
ajst-19313	88	61	are	be	AUX
ajst-19313	88	62	shown	show	VERB
ajst-19313	88	63	in	in	ADP
ajst-19313	88	64	figure	figure	NOUN
ajst-19313	88	65	6	6	NUM
ajst-19313	88	66	.	.	PUNCT
ajst-19313	89	1	it	it	PRON
ajst-19313	89	2	can	can	AUX
ajst-19313	89	3	be	be	AUX
ajst-19313	89	4	observed	observe	VERB
ajst-19313	89	5	that	that	SCONJ
ajst-19313	89	6	the	the	DET
ajst-19313	89	7	variations	variation	NOUN
ajst-19313	89	8	in	in	ADP
ajst-19313	89	9	thread	thread	NOUN
ajst-19313	89	10	tooth	tooth	NOUN
ajst-19313	89	11	contact	contact	NOUN
ajst-19313	89	12	stress	stress	NOUN
ajst-19313	89	13	calculated	calculate	VERB
ajst-19313	89	14	by	by	ADP
ajst-19313	89	15	the	the	DET
ajst-19313	89	16	two	two	NUM
ajst-19313	89	17	methods	method	NOUN
ajst-19313	89	18	follow	follow	VERB
ajst-19313	89	19	the	the	DET
ajst-19313	89	20	same	same	ADJ
ajst-19313	89	21	trend	trend	NOUN
ajst-19313	89	22	,	,	PUNCT
ajst-19313	89	23	exhibiting	exhibit	VERB
ajst-19313	89	24	a	a	DET
ajst-19313	89	25	relatively	relatively	ADV
ajst-19313	89	26	high	high	ADJ
ajst-19313	89	27	overall	overall	ADJ
ajst-19313	89	28	agreement	agreement	NOUN
ajst-19313	89	29	.	.	PUNCT
ajst-19313	90	1	the	the	DET
ajst-19313	90	2	maximum	maximum	ADJ
ajst-19313	90	3	discrepancy	discrepancy	NOUN
ajst-19313	90	4	between	between	ADP
ajst-19313	90	5	the	the	DET
ajst-19313	90	6	two	two	NUM
ajst-19313	90	7	is	be	AUX
ajst-19313	90	8	9.72	9.72	NUM
ajst-19313	90	9	%	%	NOUN
ajst-19313	90	10	,	,	PUNCT
ajst-19313	90	11	which	which	PRON
ajst-19313	90	12	falls	fall	VERB
ajst-19313	90	13	within	within	ADP
ajst-19313	90	14	an	an	DET
ajst-19313	90	15	acceptable	acceptable	ADJ
ajst-19313	90	16	range	range	NOUN
ajst-19313	90	17	and	and	CCONJ
ajst-19313	90	18	validates	validate	VERB
ajst-19313	90	19	the	the	DET
ajst-19313	90	20	accuracy	accuracy	NOUN
ajst-19313	90	21	of	of	ADP
ajst-19313	90	22	the	the	DET
ajst-19313	90	23	finite	finite	PROPN
ajst-19313	90	24	element	element	PROPN
ajst-19313	90	25	computational	computational	ADJ
ajst-19313	90	26	model	model	NOUN
ajst-19313	90	27	.	.	PUNCT
ajst-19313	91	1	figure	figure	VERB
ajst-19313	91	2	6	6	NUM
ajst-19313	91	3	.	.	PUNCT
ajst-19313	92	1	contact	contact	NOUN
ajst-19313	92	2	pressure	pressure	NOUN
ajst-19313	92	3	comparison	comparison	NOUN
ajst-19313	92	4	5	5	NUM
ajst-19313	92	5	.	.	PUNCT
ajst-19313	93	1	simulation	simulation	NOUN
ajst-19313	93	2	results	result	VERB
ajst-19313	93	3	analysis	analysis	NOUN
ajst-19313	93	4	a.	a.	NOUN
ajst-19313	93	5	the	the	DET
ajst-19313	93	6	effect	effect	NOUN
ajst-19313	93	7	of	of	ADP
ajst-19313	93	8	thread	thread	NOUN
ajst-19313	93	9	parameter	parameter	NOUN
ajst-19313	93	10	deviation	deviation	NOUN
ajst-19313	93	11	in	in	ADP
ajst-19313	93	12	the	the	DET
ajst-19313	93	13	upper	upper	ADJ
ajst-19313	93	14	buckle	buckle	NOUN
ajst-19313	93	15	state	state	NOUN
ajst-19313	93	16	the	the	DET
ajst-19313	93	17	mises	mises	PROPN
ajst-19313	93	18	stress	stress	VERB
ajst-19313	93	19	cloud	cloud	NOUN
ajst-19313	93	20	of	of	ADP
ajst-19313	93	21	drill	drill	NOUN
ajst-19313	93	22	pipe	pipe	NOUN
ajst-19313	93	23	joints	joint	NOUN
ajst-19313	93	24	with	with	ADP
ajst-19313	93	25	different	different	ADJ
ajst-19313	93	26	taper	taper	NOUN
ajst-19313	93	27	limit	limit	NOUN
ajst-19313	93	28	deviations	deviation	NOUN
ajst-19313	93	29	under	under	ADP
ajst-19313	93	30	the	the	DET
ajst-19313	93	31	action	action	NOUN
ajst-19313	93	32	of	of	ADP
ajst-19313	93	33	upper	upper	ADJ
ajst-19313	93	34	buckle	buckle	NOUN
ajst-19313	93	35	torque	torque	NOUN
ajst-19313	93	36	is	be	AUX
ajst-19313	93	37	shown	show	VERB
ajst-19313	93	38	in	in	ADP
ajst-19313	93	39	figure	figure	NOUN
ajst-19313	93	40	7	7	NUM
ajst-19313	93	41	.	.	PUNCT
ajst-19313	94	1	it	it	PRON
ajst-19313	94	2	can	can	AUX
ajst-19313	94	3	be	be	AUX
ajst-19313	94	4	seen	see	VERB
ajst-19313	94	5	that	that	SCONJ
ajst-19313	94	6	the	the	DET
ajst-19313	94	7	existence	existence	NOUN
ajst-19313	94	8	of	of	ADP
ajst-19313	94	9	taper	taper	NOUN
ajst-19313	94	10	deviation	deviation	NOUN
ajst-19313	94	11	has	have	VERB
ajst-19313	94	12	little	little	ADJ
ajst-19313	94	13	effect	effect	NOUN
ajst-19313	94	14	on	on	ADP
ajst-19313	94	15	the	the	DET
ajst-19313	94	16	stress	stress	NOUN
ajst-19313	94	17	distribution	distribution	NOUN
ajst-19313	94	18	law	law	NOUN
ajst-19313	94	19	of	of	ADP
ajst-19313	94	20	the	the	DET
ajst-19313	94	21	drill	drill	NOUN
ajst-19313	94	22	pipe	pipe	NOUN
ajst-19313	94	23	joint	joint	NOUN
ajst-19313	94	24	,	,	PUNCT
ajst-19313	94	25	and	and	CCONJ
ajst-19313	94	26	the	the	DET
ajst-19313	94	27	stress	stress	NOUN
ajst-19313	94	28	concentration	concentration	NOUN
ajst-19313	94	29	part	part	NOUN
ajst-19313	94	30	is	be	AUX
ajst-19313	94	31	still	still	ADV
ajst-19313	94	32	located	locate	VERB
ajst-19313	94	33	in	in	ADP
ajst-19313	94	34	the	the	DET
ajst-19313	94	35	first	first	ADJ
ajst-19313	94	36	few	few	ADJ
ajst-19313	94	37	threaded	thread	VERB
ajst-19313	94	38	teeth	tooth	NOUN
ajst-19313	94	39	near	near	ADP
ajst-19313	94	40	the	the	DET
ajst-19313	94	41	shoulder	shoulder	NOUN
ajst-19313	94	42	.	.	PUNCT
ajst-19313	95	1	figure	figure	NOUN
ajst-19313	95	2	7	7	NUM
ajst-19313	95	3	.	.	PUNCT
ajst-19313	96	1	mises	mise	NOUN
ajst-19313	96	2	stress	stress	VERB
ajst-19313	96	3	cloud	cloud	NOUN
ajst-19313	96	4	in	in	ADP
ajst-19313	96	5	the	the	DET
ajst-19313	96	6	upper	upper	ADJ
ajst-19313	96	7	buckle	buckle	NOUN
ajst-19313	96	8	state	state	NOUN
ajst-19313	96	9	of	of	ADP
ajst-19313	96	10	taper	taper	NOUN
ajst-19313	96	11	deviation	deviation	NOUN
ajst-19313	96	12	structure	structure	NOUN
ajst-19313	96	13	the	the	DET
ajst-19313	96	14	sealing	sealing	NOUN
ajst-19313	96	15	index	index	NOUN
ajst-19313	96	16	is	be	AUX
ajst-19313	96	17	obtained	obtain	VERB
ajst-19313	96	18	by	by	ADP
ajst-19313	96	19	extracting	extract	VERB
ajst-19313	96	20	the	the	DET
ajst-19313	96	21	contact	contact	NOUN
ajst-19313	96	22	pressure	pressure	NOUN
ajst-19313	96	23	value	value	NOUN
ajst-19313	96	24	on	on	ADP
ajst-19313	96	25	the	the	DET
ajst-19313	96	26	shoulder	shoulder	NOUN
ajst-19313	96	27	path	path	NOUN
ajst-19313	96	28	and	and	CCONJ
ajst-19313	96	29	integrating	integrate	VERB
ajst-19313	96	30	it	it	PRON
ajst-19313	96	31	along	along	ADP
ajst-19313	96	32	the	the	DET
ajst-19313	96	33	actual	actual	ADJ
ajst-19313	96	34	contact	contact	NOUN
ajst-19313	96	35	path	path	NOUN
ajst-19313	96	36	.	.	PUNCT
ajst-19313	97	1	the	the	DET
ajst-19313	97	2	maximum	maximum	ADJ
ajst-19313	97	3	mises	mises	PROPN
ajst-19313	97	4	stress	stress	NOUN
ajst-19313	97	5	value	value	NOUN
ajst-19313	97	6	of	of	ADP
ajst-19313	97	7	each	each	DET
ajst-19313	97	8	drill	drill	NOUN
ajst-19313	97	9	pipe	pipe	NOUN
ajst-19313	97	10	joint	joint	NOUN
ajst-19313	97	11	is	be	AUX
ajst-19313	97	12	extracted	extract	VERB
ajst-19313	97	13	,	,	PUNCT
ajst-19313	97	14	and	and	CCONJ
ajst-19313	97	15	the	the	DET
ajst-19313	97	16	statistical	statistical	ADJ
ajst-19313	97	17	value	value	NOUN
ajst-19313	97	18	is	be	AUX
ajst-19313	97	19	shown	show	VERB
ajst-19313	97	20	in	in	ADP
ajst-19313	97	21	figure	figure	NOUN
ajst-19313	97	22	8	8	NUM
ajst-19313	97	23	.	.	PUNCT
ajst-19313	98	1	it	it	PRON
ajst-19313	98	2	can	can	AUX
ajst-19313	98	3	be	be	AUX
ajst-19313	98	4	seen	see	VERB
ajst-19313	98	5	from	from	ADP
ajst-19313	98	6	the	the	DET
ajst-19313	98	7	figure	figure	NOUN
ajst-19313	98	8	that	that	SCONJ
ajst-19313	98	9	the	the	DET
ajst-19313	98	10	taper	taper	NOUN
ajst-19313	98	11	limit	limit	NOUN
ajst-19313	98	12	deviation	deviation	NOUN
ajst-19313	98	13	has	have	AUX
ajst-19313	98	14	little	little	ADJ
ajst-19313	98	15	effect	effect	NOUN
ajst-19313	98	16	on	on	ADP
ajst-19313	98	17	the	the	DET
ajst-19313	98	18	maximum	maximum	ADJ
ajst-19313	98	19	mises	mises	PROPN
ajst-19313	98	20	stress	stress	NOUN
ajst-19313	98	21	of	of	ADP
ajst-19313	98	22	the	the	DET
ajst-19313	98	23	drill	drill	NOUN
ajst-19313	98	24	pipe	pipe	NOUN
ajst-19313	98	25	joint	joint	NOUN
ajst-19313	98	26	.	.	PUNCT
ajst-19313	99	1	the	the	DET
ajst-19313	99	2	maximum	maximum	ADJ
ajst-19313	99	3	mises	mises	PROPN
ajst-19313	99	4	stress	stress	NOUN
ajst-19313	99	5	of	of	ADP
ajst-19313	99	6	the	the	DET
ajst-19313	99	7	drill	drill	NOUN
ajst-19313	99	8	pipe	pipe	NOUN
ajst-19313	99	9	joint	joint	ADJ
ajst-19313	99	10	increases	increase	NOUN
ajst-19313	99	11	from	from	ADP
ajst-19313	99	12	579mpa	579mpa	NUM
ajst-19313	99	13	in	in	ADP
ajst-19313	99	14	the	the	DET
ajst-19313	99	15	ideal	ideal	ADJ
ajst-19313	99	16	state	state	NOUN
ajst-19313	99	17	to	to	ADP
ajst-19313	99	18	603mpa	603mpa	NUM
ajst-19313	99	19	in	in	ADP
ajst-19313	99	20	combination	combination	NOUN
ajst-19313	99	21	i	i	PRON
ajst-19313	99	22	,	,	PUNCT
ajst-19313	99	23	an	an	DET
ajst-19313	99	24	increase	increase	NOUN
ajst-19313	99	25	of	of	ADP
ajst-19313	99	26	4.1	4.1	NUM
ajst-19313	99	27	%	%	NOUN
ajst-19313	99	28	,	,	PUNCT
ajst-19313	99	29	but	but	CCONJ
ajst-19313	99	30	all	all	PRON
ajst-19313	99	31	within	within	ADP
ajst-19313	99	32	60	60	NUM
ajst-19313	99	33	%	%	NOUN
ajst-19313	99	34	of	of	ADP
ajst-19313	99	35	the	the	DET
ajst-19313	99	36	yield	yield	NOUN
ajst-19313	99	37	strength	strength	NOUN
ajst-19313	99	38	of	of	ADP
ajst-19313	99	39	the	the	DET
ajst-19313	99	40	material	material	NOUN
ajst-19313	99	41	,	,	PUNCT
ajst-19313	99	42	and	and	CCONJ
ajst-19313	99	43	the	the	DET
ajst-19313	99	44	thread	thread	NOUN
ajst-19313	99	45	is	be	AUX
ajst-19313	99	46	only	only	ADV
ajst-19313	99	47	in	in	ADP
ajst-19313	99	48	a	a	DET
ajst-19313	99	49	safe	safe	ADJ
ajst-19313	99	50	state	state	NOUN
ajst-19313	99	51	under	under	ADP
ajst-19313	99	52	the	the	DET
ajst-19313	99	53	action	action	NOUN
ajst-19313	99	54	of	of	ADP
ajst-19313	99	55	the	the	DET
ajst-19313	99	56	upper	upper	ADJ
ajst-19313	99	57	buckle	buckle	NOUN
ajst-19313	99	58	torque	torque	NOUN
ajst-19313	99	59	.	.	PUNCT
ajst-19313	100	1	at	at	ADP
ajst-19313	100	2	the	the	DET
ajst-19313	100	3	same	same	ADJ
ajst-19313	100	4	time	time	NOUN
ajst-19313	100	5	,	,	PUNCT
ajst-19313	100	6	the	the	DET
ajst-19313	100	7	sealing	seal	VERB
ajst-19313	100	8	index	index	NOUN
ajst-19313	100	9	of	of	ADP
ajst-19313	100	10	each	each	DET
ajst-19313	100	11	structure	structure	NOUN
ajst-19313	100	12	is	be	AUX
ajst-19313	100	13	higher	high	ADJ
ajst-19313	100	14	than	than	ADP
ajst-19313	100	15	the	the	DET
ajst-19313	100	16	critical	critical	ADJ
ajst-19313	100	17	sealing	sealing	NOUN
ajst-19313	100	18	index	index	NOUN
ajst-19313	100	19	,	,	PUNCT
ajst-19313	100	20	which	which	PRON
ajst-19313	100	21	can	can	AUX
ajst-19313	100	22	achieve	achieve	VERB
ajst-19313	100	23	the	the	DET
ajst-19313	100	24	sealing	sealing	NOUN
ajst-19313	100	25	effect	effect	NOUN
ajst-19313	100	26	.	.	PUNCT
ajst-19313	101	1	however	however	ADV
ajst-19313	101	2	,	,	PUNCT
ajst-19313	101	3	the	the	DET
ajst-19313	101	4	existence	existence	NOUN
ajst-19313	101	5	of	of	ADP
ajst-19313	101	6	taper	taper	NOUN
ajst-19313	101	7	limit	limit	NOUN
ajst-19313	101	8	deviation	deviation	NOUN
ajst-19313	101	9	makes	make	VERB
ajst-19313	101	10	the	the	DET
ajst-19313	101	11	sealing	sealing	NOUN
ajst-19313	101	12	index	index	NOUN
ajst-19313	101	13	of	of	ADP
ajst-19313	101	14	the	the	DET
ajst-19313	101	15	drill	drill	NOUN
ajst-19313	101	16	pipe	pipe	NOUN
ajst-19313	101	17	joint	joint	ADJ
ajst-19313	101	18	decrease	decrease	NOUN
ajst-19313	101	19	compared	compare	VERB
ajst-19313	101	20	with	with	ADP
ajst-19313	101	21	the	the	DET
ajst-19313	101	22	ideal	ideal	ADJ
ajst-19313	101	23	structure	structure	NOUN
ajst-19313	101	24	,	,	PUNCT
ajst-19313	101	25	which	which	PRON
ajst-19313	101	26	can	can	AUX
ajst-19313	101	27	be	be	AUX
ajst-19313	101	28	reduced	reduce	VERB
ajst-19313	101	29	by	by	ADP
ajst-19313	101	30	up	up	ADP
ajst-19313	101	31	to	to	PART
ajst-19313	101	32	36	36	NUM
ajst-19313	101	33	%	%	NOUN
ajst-19313	101	34	,	,	PUNCT
ajst-19313	101	35	and	and	CCONJ
ajst-19313	101	36	the	the	DET
ajst-19313	101	37	existence	existence	NOUN
ajst-19313	101	38	of	of	ADP
ajst-19313	101	39	taper	taper	NOUN
ajst-19313	101	40	limit	limit	NOUN
ajst-19313	101	41	deviation	deviation	NOUN
ajst-19313	101	42	is	be	AUX
ajst-19313	101	43	not	not	PART
ajst-19313	101	44	conducive	conducive	ADJ
ajst-19313	101	45	to	to	ADP
ajst-19313	101	46	the	the	DET
ajst-19313	101	47	sealing	sealing	NOUN
ajst-19313	101	48	performance	performance	NOUN
ajst-19313	101	49	of	of	ADP
ajst-19313	101	50	the	the	DET
ajst-19313	101	51	upper	upper	ADJ
ajst-19313	101	52	buckle	buckle	NOUN
ajst-19313	101	53	state	state	NOUN
ajst-19313	101	54	of	of	ADP
ajst-19313	101	55	the	the	DET
ajst-19313	101	56	drill	drill	NOUN
ajst-19313	101	57	pipe	pipe	NOUN
ajst-19313	101	58	joint	joint	NOUN
ajst-19313	101	59	.	.	PUNCT
ajst-19313	102	1	320	320	NUM
ajst-19313	102	2	figure	figure	NOUN
ajst-19313	102	3	8	8	NUM
ajst-19313	102	4	.	.	PUNCT
ajst-19313	102	5	sealing	seal	VERB
ajst-19313	102	6	index	index	NOUN
ajst-19313	102	7	and	and	CCONJ
ajst-19313	102	8	maximum	maximum	ADJ
ajst-19313	102	9	mises	mises	PROPN
ajst-19313	102	10	stress	stress	VERB
ajst-19313	102	11	diagram	diagram	NOUN
ajst-19313	102	12	of	of	ADP
ajst-19313	102	13	taper	taper	NOUN
ajst-19313	102	14	deviation	deviation	NOUN
ajst-19313	102	15	structure	structure	NOUN
ajst-19313	102	16	the	the	DET
ajst-19313	102	17	mises	mises	PROPN
ajst-19313	102	18	stress	stress	VERB
ajst-19313	102	19	cloud	cloud	NOUN
ajst-19313	102	20	of	of	ADP
ajst-19313	102	21	drill	drill	NOUN
ajst-19313	102	22	pipe	pipe	NOUN
ajst-19313	102	23	joints	joint	NOUN
ajst-19313	102	24	under	under	ADP
ajst-19313	102	25	tooth	tooth	NOUN
ajst-19313	102	26	flank	flank	NOUN
ajst-19313	102	27	angle	angle	NOUN
ajst-19313	102	28	deviation	deviation	NOUN
ajst-19313	102	29	is	be	AUX
ajst-19313	102	30	shown	show	VERB
ajst-19313	102	31	in	in	ADP
ajst-19313	102	32	figure	figure	NOUN
ajst-19313	102	33	9	9	NUM
ajst-19313	102	34	.	.	PUNCT
ajst-19313	103	1	it	it	PRON
ajst-19313	103	2	can	can	AUX
ajst-19313	103	3	be	be	AUX
ajst-19313	103	4	seen	see	VERB
ajst-19313	103	5	that	that	SCONJ
ajst-19313	103	6	when	when	SCONJ
ajst-19313	103	7	the	the	DET
ajst-19313	103	8	side	side	NOUN
ajst-19313	103	9	angle	angle	NOUN
ajst-19313	103	10	error	error	NOUN
ajst-19313	103	11	of	of	ADP
ajst-19313	103	12	the	the	DET
ajst-19313	103	13	internal	internal	ADJ
ajst-19313	103	14	and	and	CCONJ
ajst-19313	103	15	external	external	ADJ
ajst-19313	103	16	thread	thread	NOUN
ajst-19313	103	17	teeth	tooth	NOUN
ajst-19313	103	18	changes	change	VERB
ajst-19313	103	19	opposite	opposite	ADJ
ajst-19313	103	20	(	(	PUNCT
ajst-19313	103	21	combination	combination	NOUN
ajst-19313	103	22	i	i	PRON
ajst-19313	103	23	and	and	CCONJ
ajst-19313	103	24	ii	ii	PROPN
ajst-19313	103	25	)	)	PUNCT
ajst-19313	103	26	,	,	PUNCT
ajst-19313	103	27	the	the	DET
ajst-19313	103	28	stress	stress	NOUN
ajst-19313	103	29	distribution	distribution	NOUN
ajst-19313	103	30	of	of	ADP
ajst-19313	103	31	the	the	DET
ajst-19313	103	32	drill	drill	NOUN
ajst-19313	103	33	pipe	pipe	NOUN
ajst-19313	103	34	joint	joint	ADJ
ajst-19313	103	35	changes	change	NOUN
ajst-19313	103	36	greatly	greatly	ADV
ajst-19313	103	37	,	,	PUNCT
ajst-19313	103	38	and	and	CCONJ
ajst-19313	103	39	the	the	DET
ajst-19313	103	40	stress	stress	NOUN
ajst-19313	103	41	concentration	concentration	NOUN
ajst-19313	103	42	part	part	NOUN
ajst-19313	103	43	is	be	AUX
ajst-19313	103	44	regularly	regularly	ADV
ajst-19313	103	45	distributed	distribute	VERB
ajst-19313	103	46	in	in	ADP
ajst-19313	103	47	the	the	DET
ajst-19313	103	48	upper	upper	ADJ
ajst-19313	103	49	or	or	CCONJ
ajst-19313	103	50	lower	low	ADJ
ajst-19313	103	51	part	part	NOUN
ajst-19313	103	52	of	of	ADP
ajst-19313	103	53	the	the	DET
ajst-19313	103	54	threaded	thread	VERB
ajst-19313	103	55	tooth	tooth	NOUN
ajst-19313	103	56	.	.	PUNCT
ajst-19313	104	1	this	this	PRON
ajst-19313	104	2	is	be	AUX
ajst-19313	104	3	mainly	mainly	ADV
ajst-19313	104	4	due	due	ADJ
ajst-19313	104	5	to	to	ADP
ajst-19313	104	6	the	the	DET
ajst-19313	104	7	presence	presence	NOUN
ajst-19313	104	8	of	of	ADP
ajst-19313	104	9	tooth	tooth	NOUN
ajst-19313	104	10	side	side	NOUN
ajst-19313	104	11	angle	angle	NOUN
ajst-19313	104	12	deviation	deviation	NOUN
ajst-19313	104	13	in	in	ADP
ajst-19313	104	14	the	the	DET
ajst-19313	104	15	process	process	NOUN
ajst-19313	104	16	of	of	ADP
ajst-19313	104	17	the	the	DET
ajst-19313	104	18	upper	upper	ADJ
ajst-19313	104	19	buckle	buckle	NOUN
ajst-19313	104	20	,	,	PUNCT
ajst-19313	104	21	resulting	result	VERB
ajst-19313	104	22	in	in	ADP
ajst-19313	104	23	local	local	ADJ
ajst-19313	104	24	interference	interference	NOUN
ajst-19313	104	25	contact	contact	NOUN
ajst-19313	104	26	of	of	ADP
ajst-19313	104	27	threaded	thread	VERB
ajst-19313	104	28	teeth	tooth	NOUN
ajst-19313	104	29	,	,	PUNCT
ajst-19313	104	30	and	and	CCONJ
ajst-19313	104	31	then	then	ADV
ajst-19313	104	32	the	the	DET
ajst-19313	104	33	phenomenon	phenomenon	NOUN
ajst-19313	104	34	of	of	ADP
ajst-19313	104	35	stress	stress	ADJ
ajst-19313	104	36	concentration	concentration	NOUN
ajst-19313	104	37	in	in	ADP
ajst-19313	104	38	the	the	DET
ajst-19313	104	39	interference	interference	NOUN
ajst-19313	104	40	contact	contact	NOUN
ajst-19313	104	41	part	part	NOUN
ajst-19313	104	42	of	of	ADP
ajst-19313	104	43	threaded	thread	VERB
ajst-19313	104	44	teeth	tooth	NOUN
ajst-19313	104	45	.	.	PUNCT
ajst-19313	105	1	the	the	DET
ajst-19313	105	2	maximum	maximum	PROPN
ajst-19313	105	3	mises	mises	PROPN
ajst-19313	105	4	stress	stress	NOUN
ajst-19313	105	5	of	of	ADP
ajst-19313	105	6	the	the	DET
ajst-19313	105	7	drill	drill	NOUN
ajst-19313	105	8	pipe	pipe	NOUN
ajst-19313	105	9	joint	joint	NOUN
ajst-19313	105	10	reached	reach	VERB
ajst-19313	105	11	935mpa	935mpa	NUM
ajst-19313	105	12	,	,	PUNCT
ajst-19313	105	13	which	which	PRON
ajst-19313	105	14	was	be	AUX
ajst-19313	105	15	61.5	61.5	NUM
ajst-19313	105	16	%	%	NOUN
ajst-19313	105	17	higher	high	ADJ
ajst-19313	105	18	than	than	ADP
ajst-19313	105	19	the	the	DET
ajst-19313	105	20	ideal	ideal	ADJ
ajst-19313	105	21	state	state	NOUN
ajst-19313	105	22	.	.	PUNCT
ajst-19313	106	1	when	when	SCONJ
ajst-19313	106	2	the	the	DET
ajst-19313	106	3	limit	limit	NOUN
ajst-19313	106	4	deviation	deviation	NOUN
ajst-19313	106	5	of	of	ADP
ajst-19313	106	6	the	the	DET
ajst-19313	106	7	side	side	NOUN
ajst-19313	106	8	angle	angle	NOUN
ajst-19313	106	9	of	of	ADP
ajst-19313	106	10	the	the	DET
ajst-19313	106	11	internal	internal	ADJ
ajst-19313	106	12	and	and	CCONJ
ajst-19313	106	13	external	external	ADJ
ajst-19313	106	14	thread	thread	NOUN
ajst-19313	106	15	teeth	tooth	NOUN
ajst-19313	106	16	is	be	AUX
ajst-19313	106	17	the	the	DET
ajst-19313	106	18	same	same	ADJ
ajst-19313	106	19	(	(	PUNCT
ajst-19313	106	20	combination	combination	NOUN
ajst-19313	106	21	iii	iii	NOUN
ajst-19313	106	22	.	.	PUNCT
ajst-19313	106	23	and	and	CCONJ
ajst-19313	106	24	iv	iv	X
ajst-19313	106	25	)	)	PUNCT
ajst-19313	106	26	,	,	PUNCT
ajst-19313	106	27	the	the	DET
ajst-19313	106	28	stress	stress	NOUN
ajst-19313	106	29	distribution	distribution	NOUN
ajst-19313	106	30	law	law	NOUN
ajst-19313	106	31	of	of	ADP
ajst-19313	106	32	the	the	DET
ajst-19313	106	33	drill	drill	NOUN
ajst-19313	106	34	pipe	pipe	NOUN
ajst-19313	106	35	joint	joint	NOUN
ajst-19313	106	36	is	be	AUX
ajst-19313	106	37	the	the	DET
ajst-19313	106	38	same	same	ADJ
ajst-19313	106	39	as	as	ADP
ajst-19313	106	40	that	that	PRON
ajst-19313	106	41	of	of	ADP
ajst-19313	106	42	the	the	DET
ajst-19313	106	43	ideal	ideal	ADJ
ajst-19313	106	44	structure	structure	NOUN
ajst-19313	106	45	because	because	SCONJ
ajst-19313	106	46	the	the	DET
ajst-19313	106	47	meshing	meshing	NOUN
ajst-19313	106	48	part	part	NOUN
ajst-19313	106	49	of	of	ADP
ajst-19313	106	50	the	the	DET
ajst-19313	106	51	internal	internal	ADJ
ajst-19313	106	52	and	and	CCONJ
ajst-19313	106	53	external	external	ADJ
ajst-19313	106	54	thread	thread	NOUN
ajst-19313	106	55	teeth	tooth	NOUN
ajst-19313	106	56	can	can	AUX
ajst-19313	106	57	be	be	AUX
ajst-19313	106	58	completely	completely	ADV
ajst-19313	106	59	meshed	mesh	VERB
ajst-19313	106	60	due	due	ADP
ajst-19313	106	61	to	to	ADP
ajst-19313	106	62	the	the	DET
ajst-19313	106	63	same	same	ADJ
ajst-19313	106	64	side	side	NOUN
ajst-19313	106	65	angle	angle	NOUN
ajst-19313	106	66	of	of	ADP
ajst-19313	106	67	the	the	DET
ajst-19313	106	68	teeth	tooth	NOUN
ajst-19313	106	69	.	.	PUNCT
ajst-19313	107	1	it	it	PRON
ajst-19313	107	2	can	can	AUX
ajst-19313	107	3	be	be	AUX
ajst-19313	107	4	seen	see	VERB
ajst-19313	107	5	that	that	SCONJ
ajst-19313	107	6	the	the	DET
ajst-19313	107	7	existence	existence	NOUN
ajst-19313	107	8	of	of	ADP
ajst-19313	107	9	tooth	tooth	NOUN
ajst-19313	107	10	flank	flank	NOUN
ajst-19313	107	11	angle	angle	NOUN
ajst-19313	107	12	deviation	deviation	NOUN
ajst-19313	107	13	has	have	VERB
ajst-19313	107	14	a	a	DET
ajst-19313	107	15	great	great	ADJ
ajst-19313	107	16	influence	influence	NOUN
ajst-19313	107	17	on	on	ADP
ajst-19313	107	18	the	the	DET
ajst-19313	107	19	stress	stress	NOUN
ajst-19313	107	20	distribution	distribution	NOUN
ajst-19313	107	21	of	of	ADP
ajst-19313	107	22	drill	drill	NOUN
ajst-19313	107	23	pipe	pipe	NOUN
ajst-19313	107	24	joints	joint	NOUN
ajst-19313	107	25	.	.	PUNCT
ajst-19313	108	1	figure	figure	NOUN
ajst-19313	108	2	9	9	NUM
ajst-19313	108	3	.	.	PUNCT
ajst-19313	109	1	mises	mise	NOUN
ajst-19313	109	2	stress	stress	VERB
ajst-19313	109	3	cloud	cloud	NOUN
ajst-19313	109	4	in	in	ADP
ajst-19313	109	5	the	the	DET
ajst-19313	109	6	upper	upper	ADJ
ajst-19313	109	7	buckle	buckle	NOUN
ajst-19313	109	8	state	state	NOUN
ajst-19313	109	9	of	of	ADP
ajst-19313	109	10	tooth	tooth	NOUN
ajst-19313	109	11	side	side	NOUN
ajst-19313	109	12	angle	angle	NOUN
ajst-19313	109	13	deviation	deviation	NOUN
ajst-19313	109	14	structure	structure	NOUN
ajst-19313	109	15	it	it	PRON
ajst-19313	109	16	can	can	AUX
ajst-19313	109	17	be	be	AUX
ajst-19313	109	18	seen	see	VERB
ajst-19313	109	19	from	from	ADP
ajst-19313	109	20	figure	figure	NOUN
ajst-19313	109	21	10	10	NUM
ajst-19313	109	22	that	that	SCONJ
ajst-19313	109	23	the	the	DET
ajst-19313	109	24	limit	limit	NOUN
ajst-19313	109	25	deviation	deviation	NOUN
ajst-19313	109	26	of	of	ADP
ajst-19313	109	27	the	the	DET
ajst-19313	109	28	tooth	tooth	NOUN
ajst-19313	109	29	flank	flank	NOUN
ajst-19313	109	30	angle	angle	NOUN
ajst-19313	109	31	has	have	VERB
ajst-19313	109	32	little	little	ADJ
ajst-19313	109	33	effect	effect	NOUN
ajst-19313	109	34	on	on	ADP
ajst-19313	109	35	the	the	DET
ajst-19313	109	36	sealing	sealing	NOUN
ajst-19313	109	37	performance	performance	NOUN
ajst-19313	109	38	of	of	ADP
ajst-19313	109	39	the	the	DET
ajst-19313	109	40	upper	upper	ADJ
ajst-19313	109	41	buckle	buckle	NOUN
ajst-19313	109	42	state	state	NOUN
ajst-19313	109	43	of	of	ADP
ajst-19313	109	44	the	the	DET
ajst-19313	109	45	drill	drill	NOUN
ajst-19313	109	46	pipe	pipe	NOUN
ajst-19313	109	47	joint	joint	NOUN
ajst-19313	109	48	.	.	PUNCT
ajst-19313	110	1	however	however	ADV
ajst-19313	110	2	,	,	PUNCT
ajst-19313	110	3	the	the	DET
ajst-19313	110	4	existence	existence	NOUN
ajst-19313	110	5	of	of	ADP
ajst-19313	110	6	different	different	ADJ
ajst-19313	110	7	tooth	tooth	NOUN
ajst-19313	110	8	flank	flank	NOUN
ajst-19313	110	9	angle	angle	NOUN
ajst-19313	110	10	deviations	deviation	NOUN
ajst-19313	110	11	of	of	ADP
ajst-19313	110	12	internal	internal	ADJ
ajst-19313	110	13	and	and	CCONJ
ajst-19313	110	14	external	external	ADJ
ajst-19313	110	15	threads	thread	NOUN
ajst-19313	110	16	will	will	AUX
ajst-19313	110	17	cause	cause	VERB
ajst-19313	110	18	the	the	DET
ajst-19313	110	19	maximum	maximum	ADJ
ajst-19313	110	20	mises	mise	NOUN
ajst-19313	110	21	stress	stress	NOUN
ajst-19313	110	22	of	of	ADP
ajst-19313	110	23	the	the	DET
ajst-19313	110	24	joint	joint	NOUN
ajst-19313	110	25	to	to	PART
ajst-19313	110	26	approach	approach	VERB
ajst-19313	110	27	or	or	CCONJ
ajst-19313	110	28	slightly	slightly	ADV
ajst-19313	110	29	exceed	exceed	VERB
ajst-19313	110	30	the	the	DET
ajst-19313	110	31	yield	yield	NOUN
ajst-19313	110	32	strength	strength	NOUN
ajst-19313	110	33	of	of	ADP
ajst-19313	110	34	the	the	DET
ajst-19313	110	35	material	material	NOUN
ajst-19313	110	36	,	,	PUNCT
ajst-19313	110	37	and	and	CCONJ
ajst-19313	110	38	the	the	DET
ajst-19313	110	39	drill	drill	NOUN
ajst-19313	110	40	pipe	pipe	NOUN
ajst-19313	110	41	joint	joint	NOUN
ajst-19313	110	42	is	be	AUX
ajst-19313	110	43	prone	prone	ADJ
ajst-19313	110	44	to	to	ADP
ajst-19313	110	45	local	local	ADJ
ajst-19313	110	46	plastic	plastic	ADJ
ajst-19313	110	47	deformation	deformation	NOUN
ajst-19313	110	48	,	,	PUNCT
ajst-19313	110	49	which	which	PRON
ajst-19313	110	50	reduces	reduce	VERB
ajst-19313	110	51	the	the	DET
ajst-19313	110	52	sealing	sealing	NOUN
ajst-19313	110	53	reliability	reliability	NOUN
ajst-19313	110	54	of	of	ADP
ajst-19313	110	55	the	the	DET
ajst-19313	110	56	joint	joint	NOUN
ajst-19313	110	57	.	.	PUNCT
ajst-19313	111	1	figure	figure	NOUN
ajst-19313	111	2	10	10	NUM
ajst-19313	111	3	.	.	PUNCT
ajst-19313	112	1	sealing	seal	VERB
ajst-19313	112	2	index	index	NOUN
ajst-19313	112	3	and	and	CCONJ
ajst-19313	112	4	maximum	maximum	ADJ
ajst-19313	112	5	mises	mises	PROPN
ajst-19313	112	6	stress	stress	VERB
ajst-19313	112	7	diagram	diagram	NOUN
ajst-19313	112	8	of	of	ADP
ajst-19313	112	9	tooth	tooth	NOUN
ajst-19313	112	10	side	side	NOUN
ajst-19313	112	11	angle	angle	NOUN
ajst-19313	112	12	deviation	deviation	NOUN
ajst-19313	112	13	structure	structure	NOUN
ajst-19313	112	14	figure	figure	NOUN
ajst-19313	112	15	11	11	NUM
ajst-19313	112	16	shows	show	VERB
ajst-19313	112	17	the	the	DET
ajst-19313	112	18	mises	mise	NOUN
ajst-19313	112	19	stress	stress	VERB
ajst-19313	112	20	distribution	distribution	NOUN
ajst-19313	112	21	cloud	cloud	NOUN
ajst-19313	112	22	of	of	ADP
ajst-19313	112	23	drill	drill	NOUN
ajst-19313	112	24	pipe	pipe	NOUN
ajst-19313	112	25	joints	joint	NOUN
ajst-19313	112	26	under	under	ADP
ajst-19313	112	27	different	different	ADJ
ajst-19313	112	28	pitch	pitch	NOUN
ajst-19313	112	29	deviations	deviation	NOUN
ajst-19313	112	30	.	.	PUNCT
ajst-19313	113	1	it	it	PRON
ajst-19313	113	2	can	can	AUX
ajst-19313	113	3	be	be	AUX
ajst-19313	113	4	seen	see	VERB
ajst-19313	113	5	from	from	ADP
ajst-19313	113	6	the	the	DET
ajst-19313	113	7	figure	figure	NOUN
ajst-19313	113	8	that	that	SCONJ
ajst-19313	113	9	when	when	SCONJ
ajst-19313	113	10	the	the	DET
ajst-19313	113	11	thread	thread	NOUN
ajst-19313	113	12	parameters	parameter	NOUN
ajst-19313	113	13	are	be	AUX
ajst-19313	113	14	combination	combination	NOUN
ajst-19313	113	15	i	i	PRON
ajst-19313	113	16	and	and	CCONJ
ajst-19313	113	17	combination	combination	NOUN
ajst-19313	113	18	iii	iii	NOUN
ajst-19313	113	19	,	,	PUNCT
ajst-19313	113	20	the	the	DET
ajst-19313	113	21	maximum	maximum	ADJ
ajst-19313	113	22	mises	mises	PROPN
ajst-19313	113	23	stress	stress	NOUN
ajst-19313	113	24	of	of	ADP
ajst-19313	113	25	the	the	DET
ajst-19313	113	26	drill	drill	NOUN
ajst-19313	113	27	pipe	pipe	NOUN
ajst-19313	113	28	joint	joint	NOUN
ajst-19313	113	29	increases	increase	NOUN
ajst-19313	113	30	significantly	significantly	ADV
ajst-19313	113	31	.	.	PUNCT
ajst-19313	114	1	the	the	DET
ajst-19313	114	2	maximum	maximum	PROPN
ajst-19313	114	3	mises	mises	PROPN
ajst-19313	114	4	stress	stress	NOUN
ajst-19313	114	5	values	value	NOUN
ajst-19313	114	6	were	be	AUX
ajst-19313	114	7	931	931	NUM
ajst-19313	114	8	mpa	mpa	NOUN
ajst-19313	114	9	and	and	CCONJ
ajst-19313	114	10	925	925	NUM
ajst-19313	114	11	mpa	mpa	NOUN
ajst-19313	114	12	,	,	PUNCT
ajst-19313	114	13	respectively	respectively	ADV
ajst-19313	114	14	,	,	PUNCT
ajst-19313	114	15	which	which	PRON
ajst-19313	114	16	were	be	AUX
ajst-19313	114	17	close	close	ADJ
ajst-19313	114	18	to	to	ADP
ajst-19313	114	19	the	the	DET
ajst-19313	114	20	yield	yield	NOUN
ajst-19313	114	21	strength	strength	NOUN
ajst-19313	114	22	of	of	ADP
ajst-19313	114	23	the	the	DET
ajst-19313	114	24	material	material	NOUN
ajst-19313	114	25	,	,	PUNCT
ajst-19313	114	26	which	which	PRON
ajst-19313	114	27	were	be	AUX
ajst-19313	114	28	160.8	160.8	NUM
ajst-19313	114	29	%	%	NOUN
ajst-19313	114	30	and	and	CCONJ
ajst-19313	114	31	159.8	159.8	NUM
ajst-19313	114	32	%	%	NOUN
ajst-19313	114	33	of	of	ADP
ajst-19313	114	34	the	the	DET
ajst-19313	114	35	ideal	ideal	ADJ
ajst-19313	114	36	state	state	NOUN
ajst-19313	114	37	.	.	PUNCT
ajst-19313	115	1	this	this	PRON
ajst-19313	115	2	is	be	AUX
ajst-19313	115	3	because	because	SCONJ
ajst-19313	115	4	the	the	DET
ajst-19313	115	5	increase	increase	NOUN
ajst-19313	115	6	in	in	ADP
ajst-19313	115	7	the	the	DET
ajst-19313	115	8	deviation	deviation	NOUN
ajst-19313	115	9	of	of	ADP
ajst-19313	115	10	the	the	DET
ajst-19313	115	11	external	external	ADJ
ajst-19313	115	12	thread	thread	NOUN
ajst-19313	115	13	pitch	pitch	NOUN
ajst-19313	115	14	leads	lead	VERB
ajst-19313	115	15	to	to	ADP
ajst-19313	115	16	a	a	DET
ajst-19313	115	17	more	more	ADV
ajst-19313	115	18	pronounced	pronounced	ADJ
ajst-19313	115	19	stress	stress	NOUN
ajst-19313	115	20	concentration	concentration	NOUN
ajst-19313	115	21	near	near	ADP
ajst-19313	115	22	the	the	DET
ajst-19313	115	23	shoulder	shoulder	NOUN
ajst-19313	115	24	surface	surface	NOUN
ajst-19313	115	25	(	(	PUNCT
ajst-19313	115	26	combination	combination	NOUN
ajst-19313	115	27	i	i	PRON
ajst-19313	115	28	and	and	CCONJ
ajst-19313	115	29	iii	iii	NOUN
ajst-19313	115	30	)	)	PUNCT
ajst-19313	115	31	,	,	PUNCT
ajst-19313	115	32	while	while	SCONJ
ajst-19313	115	33	the	the	DET
ajst-19313	115	34	increase	increase	NOUN
ajst-19313	115	35	in	in	ADP
ajst-19313	115	36	the	the	DET
ajst-19313	115	37	internal	internal	ADJ
ajst-19313	115	38	thread	thread	NOUN
ajst-19313	115	39	pitch	pitch	NOUN
ajst-19313	115	40	mainly	mainly	ADV
ajst-19313	115	41	affects	affect	VERB
ajst-19313	115	42	the	the	DET
ajst-19313	115	43	stress	stress	NOUN
ajst-19313	115	44	concentration	concentration	NOUN
ajst-19313	115	45	of	of	ADP
ajst-19313	115	46	the	the	DET
ajst-19313	115	47	last	last	ADJ
ajst-19313	115	48	teeth	tooth	NOUN
ajst-19313	115	49	of	of	ADP
ajst-19313	115	50	the	the	DET
ajst-19313	115	51	thread	thread	NOUN
ajst-19313	115	52	(	(	PUNCT
ajst-19313	115	53	combination	combination	NOUN
ajst-19313	115	54	ii	ii	NOUN
ajst-19313	115	55	)	)	PUNCT
ajst-19313	115	56	.	.	PUNCT
ajst-19313	116	1	figure	figure	VERB
ajst-19313	116	2	11	11	NUM
ajst-19313	116	3	.	.	PUNCT
ajst-19313	117	1	mises	mise	NOUN
ajst-19313	117	2	stress	stress	VERB
ajst-19313	117	3	cloud	cloud	NOUN
ajst-19313	117	4	in	in	ADP
ajst-19313	117	5	the	the	DET
ajst-19313	117	6	upper	upper	ADJ
ajst-19313	117	7	buckle	buckle	NOUN
ajst-19313	117	8	state	state	NOUN
ajst-19313	117	9	of	of	ADP
ajst-19313	117	10	pitch	pitch	NOUN
ajst-19313	117	11	deviation	deviation	NOUN
ajst-19313	117	12	structure	structure	NOUN
ajst-19313	117	13	it	it	PRON
ajst-19313	117	14	can	can	AUX
ajst-19313	117	15	be	be	AUX
ajst-19313	117	16	seen	see	VERB
ajst-19313	117	17	from	from	ADP
ajst-19313	117	18	figure	figure	NOUN
ajst-19313	117	19	12	12	NUM
ajst-19313	117	20	that	that	SCONJ
ajst-19313	117	21	the	the	DET
ajst-19313	117	22	pitch	pitch	NOUN
ajst-19313	117	23	deviation	deviation	NOUN
ajst-19313	117	24	has	have	VERB
ajst-19313	117	25	a	a	DET
ajst-19313	117	26	significant	significant	ADJ
ajst-19313	117	27	effect	effect	NOUN
ajst-19313	117	28	on	on	ADP
ajst-19313	117	29	the	the	DET
ajst-19313	117	30	tightness	tightness	NOUN
ajst-19313	117	31	of	of	ADP
ajst-19313	117	32	the	the	DET
ajst-19313	117	33	upper	upper	ADJ
ajst-19313	117	34	buckle	buckle	NOUN
ajst-19313	117	35	state	state	NOUN
ajst-19313	117	36	of	of	ADP
ajst-19313	117	37	the	the	DET
ajst-19313	117	38	drill	drill	NOUN
ajst-19313	117	39	pipe	pipe	NOUN
ajst-19313	117	40	joint	joint	NOUN
ajst-19313	117	41	,	,	PUNCT
ajst-19313	117	42	and	and	CCONJ
ajst-19313	117	43	the	the	DET
ajst-19313	117	44	increase	increase	NOUN
ajst-19313	117	45	of	of	ADP
ajst-19313	117	46	the	the	DET
ajst-19313	117	47	external	external	ADJ
ajst-19313	117	48	thread	thread	NOUN
ajst-19313	117	49	pitch	pitch	NOUN
ajst-19313	117	50	will	will	AUX
ajst-19313	117	51	improve	improve	VERB
ajst-19313	117	52	the	the	DET
ajst-19313	117	53	sealing	sealing	NOUN
ajst-19313	117	54	reliability	reliability	NOUN
ajst-19313	117	55	of	of	ADP
ajst-19313	117	56	the	the	DET
ajst-19313	117	57	joint	joint	NOUN
ajst-19313	117	58	,	,	PUNCT
ajst-19313	117	59	and	and	CCONJ
ajst-19313	117	60	the	the	DET
ajst-19313	117	61	maximum	maximum	ADJ
ajst-19313	117	62	sealing	sealing	NOUN
ajst-19313	117	63	index	index	NOUN
ajst-19313	117	64	is	be	AUX
ajst-19313	117	65	increased	increase	VERB
ajst-19313	117	66	by	by	ADP
ajst-19313	117	67	104.5	104.5	NUM
ajst-19313	117	68	%	%	NOUN
ajst-19313	117	69	compared	compare	VERB
ajst-19313	117	70	with	with	ADP
ajst-19313	117	71	the	the	DET
ajst-19313	117	72	ideal	ideal	ADJ
ajst-19313	117	73	state	state	NOUN
ajst-19313	117	74	.	.	PUNCT
ajst-19313	118	1	however	however	ADV
ajst-19313	118	2	,	,	PUNCT
ajst-19313	118	3	at	at	ADP
ajst-19313	118	4	this	this	DET
ajst-19313	118	5	time	time	NOUN
ajst-19313	118	6	,	,	PUNCT
ajst-19313	118	7	the	the	DET
ajst-19313	118	8	contact	contact	NOUN
ajst-19313	118	9	surface	surface	NOUN
ajst-19313	118	10	and	and	CCONJ
ajst-19313	118	11	threaded	thread	VERB
ajst-19313	118	12	teeth	tooth	NOUN
ajst-19313	118	13	have	have	VERB
ajst-19313	118	14	a	a	DET
ajst-19313	118	15	large	large	ADJ
ajst-19313	118	16	mises	mise	NOUN
ajst-19313	118	17	stress	stress	NOUN
ajst-19313	118	18	,	,	PUNCT
ajst-19313	118	19	which	which	PRON
ajst-19313	118	20	is	be	AUX
ajst-19313	118	21	easy	easy	ADJ
ajst-19313	118	22	to	to	PART
ajst-19313	118	23	cause	cause	VERB
ajst-19313	118	24	damage	damage	NOUN
ajst-19313	118	25	to	to	ADP
ajst-19313	118	26	the	the	DET
ajst-19313	118	27	sealing	sealing	NOUN
ajst-19313	118	28	surface	surface	NOUN
ajst-19313	118	29	or	or	CCONJ
ajst-19313	118	30	threaded	thread	VERB
ajst-19313	118	31	teeth	tooth	NOUN
ajst-19313	118	32	when	when	SCONJ
ajst-19313	118	33	making	make	VERB
ajst-19313	118	34	up	up	ADP
ajst-19313	118	35	.	.	PUNCT
ajst-19313	119	1	the	the	DET
ajst-19313	119	2	reduction	reduction	NOUN
ajst-19313	119	3	of	of	ADP
ajst-19313	119	4	the	the	DET
ajst-19313	119	5	external	external	ADJ
ajst-19313	119	6	thread	thread	NOUN
ajst-19313	119	7	pitch	pitch	NOUN
ajst-19313	119	8	will	will	AUX
ajst-19313	119	9	make	make	VERB
ajst-19313	119	10	the	the	DET
ajst-19313	119	11	sealing	sealing	NOUN
ajst-19313	119	12	index	index	NOUN
ajst-19313	119	13	of	of	ADP
ajst-19313	119	14	the	the	DET
ajst-19313	119	15	joint	joint	ADJ
ajst-19313	119	16	decrease	decrease	NOUN
ajst-19313	119	17	,	,	PUNCT
ajst-19313	119	18	or	or	CCONJ
ajst-19313	119	19	even	even	ADV
ajst-19313	119	20	not	not	PART
ajst-19313	119	21	have	have	VERB
ajst-19313	119	22	sealing	seal	VERB
ajst-19313	119	23	(	(	PUNCT
ajst-19313	119	24	combination	combination	NOUN
ajst-19313	119	25	iv	iv	NUM
ajst-19313	119	26	)	)	PUNCT
ajst-19313	119	27	,	,	PUNCT
ajst-19313	119	28	and	and	CCONJ
ajst-19313	119	29	the	the	DET
ajst-19313	119	30	risk	risk	NOUN
ajst-19313	119	31	of	of	ADP
ajst-19313	119	32	seal	seal	NOUN
ajst-19313	119	33	failure	failure	NOUN
ajst-19313	119	34	is	be	AUX
ajst-19313	119	35	high	high	ADJ
ajst-19313	119	36	.	.	PUNCT
ajst-19313	120	1	321	321	NUM
ajst-19313	120	2	figure	figure	NOUN
ajst-19313	120	3	12	12	NUM
ajst-19313	120	4	.	.	PUNCT
ajst-19313	120	5	sealing	seal	VERB
ajst-19313	120	6	index	index	NOUN
ajst-19313	120	7	and	and	CCONJ
ajst-19313	120	8	maximum	maximum	ADJ
ajst-19313	120	9	mises	mises	PROPN
ajst-19313	120	10	stress	stress	VERB
ajst-19313	120	11	diagram	diagram	NOUN
ajst-19313	120	12	of	of	ADP
ajst-19313	120	13	pitch	pitch	NOUN
ajst-19313	120	14	deviation	deviation	NOUN
ajst-19313	120	15	structure	structure	NOUN
ajst-19313	120	16	b.	b.	PROPN
ajst-19313	120	17	effect	effect	NOUN
ajst-19313	120	18	of	of	ADP
ajst-19313	120	19	thread	thread	NOUN
ajst-19313	120	20	parameter	parameter	NOUN
ajst-19313	120	21	deviation	deviation	NOUN
ajst-19313	120	22	under	under	ADP
ajst-19313	120	23	axial	axial	ADJ
ajst-19313	120	24	load	load	NOUN
ajst-19313	120	25	ⅰ	ⅰ	NOUN
ajst-19313	120	26	)	)	PUNCT
ajst-19313	120	27	.	.	PUNCT
ajst-19313	121	1	the	the	DET
ajst-19313	121	2	effect	effect	NOUN
ajst-19313	121	3	of	of	ADP
ajst-19313	121	4	taper	taper	NOUN
ajst-19313	121	5	deviation	deviation	NOUN
ajst-19313	121	6	an	an	DET
ajst-19313	121	7	axial	axial	ADJ
ajst-19313	121	8	tensile	tensile	NOUN
ajst-19313	121	9	load	load	NOUN
ajst-19313	121	10	is	be	AUX
ajst-19313	121	11	applied	apply	VERB
ajst-19313	121	12	to	to	ADP
ajst-19313	121	13	the	the	DET
ajst-19313	121	14	drill	drill	NOUN
ajst-19313	121	15	pipe	pipe	NOUN
ajst-19313	121	16	joint	joint	NOUN
ajst-19313	121	17	based	base	VERB
ajst-19313	121	18	on	on	ADP
ajst-19313	121	19	the	the	DET
ajst-19313	121	20	upper	upper	ADJ
ajst-19313	121	21	buckle	buckle	NOUN
ajst-19313	121	22	torque	torque	NOUN
ajst-19313	121	23	,	,	PUNCT
ajst-19313	121	24	and	and	CCONJ
ajst-19313	121	25	the	the	DET
ajst-19313	121	26	change	change	NOUN
ajst-19313	121	27	in	in	ADP
ajst-19313	121	28	sealing	seal	VERB
ajst-19313	121	29	index	index	NOUN
ajst-19313	121	30	with	with	ADP
ajst-19313	121	31	tensile	tensile	NOUN
ajst-19313	121	32	load	load	NOUN
ajst-19313	121	33	is	be	AUX
ajst-19313	121	34	shown	show	VERB
ajst-19313	121	35	in	in	ADP
ajst-19313	121	36	figure	figure	NOUN
ajst-19313	121	37	13(a	13(a	NUM
ajst-19313	121	38	)	)	PUNCT
ajst-19313	121	39	.	.	PUNCT
ajst-19313	122	1	under	under	ADP
ajst-19313	122	2	the	the	DET
ajst-19313	122	3	tensile	tensile	NOUN
ajst-19313	122	4	load	load	NOUN
ajst-19313	122	5	,	,	PUNCT
ajst-19313	122	6	the	the	DET
ajst-19313	122	7	contact	contact	NOUN
ajst-19313	122	8	pressure	pressure	NOUN
ajst-19313	122	9	of	of	ADP
ajst-19313	122	10	the	the	DET
ajst-19313	122	11	shoulder	shoulder	NOUN
ajst-19313	122	12	surface	surface	NOUN
ajst-19313	122	13	of	of	ADP
ajst-19313	122	14	the	the	DET
ajst-19313	122	15	sealing	sealing	NOUN
ajst-19313	122	16	table	table	NOUN
ajst-19313	122	17	gradually	gradually	ADV
ajst-19313	122	18	decreases	decrease	VERB
ajst-19313	122	19	,	,	PUNCT
ajst-19313	122	20	and	and	CCONJ
ajst-19313	122	21	the	the	DET
ajst-19313	122	22	taper	taper	NOUN
ajst-19313	122	23	deviation	deviation	NOUN
ajst-19313	122	24	makes	make	VERB
ajst-19313	122	25	the	the	DET
ajst-19313	122	26	sealing	sealing	NOUN
ajst-19313	122	27	performance	performance	NOUN
ajst-19313	122	28	of	of	ADP
ajst-19313	122	29	the	the	DET
ajst-19313	122	30	drill	drill	NOUN
ajst-19313	122	31	pipe	pipe	NOUN
ajst-19313	122	32	joint	joint	NOUN
ajst-19313	122	33	decrease	decrease	NOUN
ajst-19313	122	34	rapidly	rapidly	ADV
ajst-19313	122	35	with	with	ADP
ajst-19313	122	36	the	the	DET
ajst-19313	122	37	increase	increase	NOUN
ajst-19313	122	38	of	of	ADP
ajst-19313	122	39	tensile	tensile	NOUN
ajst-19313	122	40	load	load	NOUN
ajst-19313	122	41	.	.	PUNCT
ajst-19313	123	1	among	among	ADP
ajst-19313	123	2	them	they	PRON
ajst-19313	123	3	,	,	PUNCT
ajst-19313	123	4	when	when	SCONJ
ajst-19313	123	5	the	the	DET
ajst-19313	123	6	taper	taper	NOUN
ajst-19313	123	7	of	of	ADP
ajst-19313	123	8	the	the	DET
ajst-19313	123	9	internal	internal	ADJ
ajst-19313	123	10	thread	thread	NOUN
ajst-19313	123	11	is	be	AUX
ajst-19313	123	12	reduced	reduce	VERB
ajst-19313	123	13	(	(	PUNCT
ajst-19313	123	14	combination	combination	NOUN
ajst-19313	123	15	ii	ii	NOUN
ajst-19313	123	16	)	)	PUNCT
ajst-19313	123	17	,	,	PUNCT
ajst-19313	123	18	the	the	DET
ajst-19313	123	19	sealing	sealing	NOUN
ajst-19313	123	20	index	index	NOUN
ajst-19313	123	21	is	be	AUX
ajst-19313	123	22	lower	low	ADJ
ajst-19313	123	23	than	than	ADP
ajst-19313	123	24	the	the	DET
ajst-19313	123	25	critical	critical	ADJ
ajst-19313	123	26	sealing	sealing	NOUN
ajst-19313	123	27	index	index	NOUN
ajst-19313	123	28	with	with	ADP
ajst-19313	123	29	an	an	DET
ajst-19313	123	30	internal	internal	ADJ
ajst-19313	123	31	and	and	CCONJ
ajst-19313	123	32	external	external	ADJ
ajst-19313	123	33	pressure	pressure	NOUN
ajst-19313	123	34	difference	difference	NOUN
ajst-19313	123	35	of	of	ADP
ajst-19313	123	36	20mpa	20mpa	NOUN
ajst-19313	123	37	,	,	PUNCT
ajst-19313	123	38	which	which	PRON
ajst-19313	123	39	significantly	significantly	ADV
ajst-19313	123	40	reduces	reduce	VERB
ajst-19313	123	41	the	the	DET
ajst-19313	123	42	sealing	sealing	NOUN
ajst-19313	123	43	performance	performance	NOUN
ajst-19313	123	44	of	of	ADP
ajst-19313	123	45	the	the	DET
ajst-19313	123	46	drill	drill	NOUN
ajst-19313	123	47	pipe	pipe	NOUN
ajst-19313	123	48	joint	joint	NOUN
ajst-19313	123	49	.	.	PUNCT
ajst-19313	124	1	when	when	SCONJ
ajst-19313	124	2	the	the	DET
ajst-19313	124	3	internal	internal	ADJ
ajst-19313	124	4	and	and	CCONJ
ajst-19313	124	5	external	external	ADJ
ajst-19313	124	6	threads	thread	NOUN
ajst-19313	124	7	are	be	AUX
ajst-19313	124	8	at	at	ADP
ajst-19313	124	9	the	the	DET
ajst-19313	124	10	same	same	ADJ
ajst-19313	124	11	time	time	NOUN
ajst-19313	124	12	limit	limit	NOUN
ajst-19313	124	13	taper	taper	NOUN
ajst-19313	124	14	deviation	deviation	NOUN
ajst-19313	124	15	(	(	PUNCT
ajst-19313	124	16	combination	combination	NOUN
ajst-19313	124	17	iii	iii	NOUN
ajst-19313	124	18	)	)	PUNCT
ajst-19313	124	19	,	,	PUNCT
ajst-19313	124	20	the	the	DET
ajst-19313	124	21	sealing	sealing	NOUN
ajst-19313	124	22	index	index	NOUN
ajst-19313	124	23	is	be	AUX
ajst-19313	124	24	always	always	ADV
ajst-19313	124	25	at	at	ADP
ajst-19313	124	26	a	a	DET
ajst-19313	124	27	low	low	ADJ
ajst-19313	124	28	value	value	NOUN
ajst-19313	124	29	,	,	PUNCT
ajst-19313	124	30	and	and	CCONJ
ajst-19313	124	31	the	the	DET
ajst-19313	124	32	sealing	sealing	NOUN
ajst-19313	124	33	ability	ability	NOUN
ajst-19313	124	34	is	be	AUX
ajst-19313	124	35	quickly	quickly	ADV
ajst-19313	124	36	lost	lose	VERB
ajst-19313	124	37	under	under	ADP
ajst-19313	124	38	tensile	tensile	NOUN
ajst-19313	124	39	load	load	NOUN
ajst-19313	124	40	.	.	PUNCT
ajst-19313	125	1	it	it	PRON
ajst-19313	125	2	can	can	AUX
ajst-19313	125	3	be	be	AUX
ajst-19313	125	4	seen	see	VERB
ajst-19313	125	5	from	from	ADP
ajst-19313	125	6	figure	figure	NOUN
ajst-19313	125	7	13(b	13(b	NUM
ajst-19313	125	8	)	)	PUNCT
ajst-19313	125	9	that	that	SCONJ
ajst-19313	125	10	the	the	DET
ajst-19313	125	11	maximum	maximum	ADJ
ajst-19313	125	12	mises	mises	PROPN
ajst-19313	125	13	stress	stress	NOUN
ajst-19313	125	14	of	of	ADP
ajst-19313	125	15	the	the	DET
ajst-19313	125	16	three	three	NUM
ajst-19313	125	17	error	error	NOUN
ajst-19313	125	18	structures	structure	NOUN
ajst-19313	125	19	gradually	gradually	ADV
ajst-19313	125	20	approaches	approach	VERB
ajst-19313	125	21	the	the	DET
ajst-19313	125	22	yield	yield	NOUN
ajst-19313	125	23	strength	strength	NOUN
ajst-19313	125	24	of	of	ADP
ajst-19313	125	25	the	the	DET
ajst-19313	125	26	material	material	NOUN
ajst-19313	125	27	during	during	ADP
ajst-19313	125	28	the	the	DET
ajst-19313	125	29	increase	increase	NOUN
ajst-19313	125	30	of	of	ADP
ajst-19313	125	31	tensile	tensile	NOUN
ajst-19313	125	32	load	load	NOUN
ajst-19313	125	33	,	,	PUNCT
ajst-19313	125	34	which	which	PRON
ajst-19313	125	35	is	be	AUX
ajst-19313	125	36	higher	high	ADJ
ajst-19313	125	37	than	than	ADP
ajst-19313	125	38	the	the	DET
ajst-19313	125	39	value	value	NOUN
ajst-19313	125	40	of	of	ADP
ajst-19313	125	41	the	the	DET
ajst-19313	125	42	ideal	ideal	ADJ
ajst-19313	125	43	structure	structure	NOUN
ajst-19313	125	44	.	.	PUNCT
ajst-19313	126	1	especially	especially	ADV
ajst-19313	126	2	in	in	ADP
ajst-19313	126	3	combination	combination	NOUN
ajst-19313	126	4	iii	iii	NOUN
ajst-19313	126	5	.	.	PROPN
ajst-19313	126	6	,	,	PUNCT
ajst-19313	126	7	the	the	DET
ajst-19313	126	8	maximum	maximum	ADJ
ajst-19313	126	9	mises	mises	PROPN
ajst-19313	126	10	stress	stress	NOUN
ajst-19313	126	11	value	value	NOUN
ajst-19313	126	12	changed	change	VERB
ajst-19313	126	13	the	the	DET
ajst-19313	126	14	most	most	ADJ
ajst-19313	126	15	,	,	PUNCT
ajst-19313	126	16	and	and	CCONJ
ajst-19313	126	17	the	the	DET
ajst-19313	126	18	maximum	maximum	ADJ
ajst-19313	126	19	stress	stress	NOUN
ajst-19313	126	20	was	be	AUX
ajst-19313	126	21	907mpa	907mpa	NUM
ajst-19313	126	22	.	.	PUNCT
ajst-19313	127	1	figure	figure	NOUN
ajst-19313	127	2	13	13	NUM
ajst-19313	127	3	.	.	PUNCT
ajst-19313	128	1	sealing	seal	VERB
ajst-19313	128	2	index	index	NOUN
ajst-19313	128	3	and	and	CCONJ
ajst-19313	128	4	maximum	maximum	ADJ
ajst-19313	128	5	mises	mises	PROPN
ajst-19313	128	6	stress	stress	NOUN
ajst-19313	128	7	curve	curve	NOUN
ajst-19313	128	8	under	under	ADP
ajst-19313	128	9	tensile	tensile	NOUN
ajst-19313	128	10	load	load	NOUN
ajst-19313	128	11	change	change	VERB
ajst-19313	128	12	the	the	DET
ajst-19313	128	13	direction	direction	NOUN
ajst-19313	128	14	of	of	ADP
ajst-19313	128	15	load	load	NOUN
ajst-19313	128	16	application	application	NOUN
ajst-19313	128	17	to	to	PART
ajst-19313	128	18	apply	apply	VERB
ajst-19313	128	19	axial	axial	ADJ
ajst-19313	128	20	compressive	compressive	ADJ
ajst-19313	128	21	load	load	NOUN
ajst-19313	128	22	to	to	ADP
ajst-19313	128	23	the	the	DET
ajst-19313	128	24	drill	drill	NOUN
ajst-19313	128	25	pipe	pipe	NOUN
ajst-19313	128	26	joint	joint	NOUN
ajst-19313	128	27	.	.	PUNCT
ajst-19313	129	1	as	as	SCONJ
ajst-19313	129	2	shown	show	VERB
ajst-19313	129	3	in	in	ADP
ajst-19313	129	4	figure	figure	NOUN
ajst-19313	129	5	14(a	14(a	NUM
ajst-19313	129	6	)	)	PUNCT
ajst-19313	129	7	,	,	PUNCT
ajst-19313	129	8	with	with	ADP
ajst-19313	129	9	the	the	DET
ajst-19313	129	10	continuous	continuous	ADJ
ajst-19313	129	11	increase	increase	NOUN
ajst-19313	129	12	of	of	ADP
ajst-19313	129	13	axial	axial	ADJ
ajst-19313	129	14	compressive	compressive	ADJ
ajst-19313	129	15	load	load	NOUN
ajst-19313	129	16	,	,	PUNCT
ajst-19313	129	17	the	the	DET
ajst-19313	129	18	sealing	seal	VERB
ajst-19313	129	19	index	index	NOUN
ajst-19313	129	20	of	of	ADP
ajst-19313	129	21	several	several	ADJ
ajst-19313	129	22	structures	structure	NOUN
ajst-19313	129	23	increases	increase	VERB
ajst-19313	129	24	almost	almost	ADV
ajst-19313	129	25	linearly	linearly	ADV
ajst-19313	129	26	,	,	PUNCT
ajst-19313	129	27	and	and	CCONJ
ajst-19313	129	28	is	be	AUX
ajst-19313	129	29	much	much	ADV
ajst-19313	129	30	higher	high	ADJ
ajst-19313	129	31	than	than	ADP
ajst-19313	129	32	the	the	DET
ajst-19313	129	33	critical	critical	ADJ
ajst-19313	129	34	sealing	sealing	NOUN
ajst-19313	129	35	index	index	NOUN
ajst-19313	129	36	,	,	PUNCT
ajst-19313	129	37	and	and	CCONJ
ajst-19313	129	38	the	the	DET
ajst-19313	129	39	sealing	sealing	NOUN
ajst-19313	129	40	effect	effect	NOUN
ajst-19313	129	41	is	be	AUX
ajst-19313	129	42	good	good	ADJ
ajst-19313	129	43	.	.	PUNCT
ajst-19313	130	1	similar	similar	ADJ
ajst-19313	130	2	to	to	ADP
ajst-19313	130	3	the	the	DET
ajst-19313	130	4	tensile	tensile	NOUN
ajst-19313	130	5	load	load	NOUN
ajst-19313	130	6	,	,	PUNCT
ajst-19313	130	7	when	when	SCONJ
ajst-19313	130	8	the	the	DET
ajst-19313	130	9	inner	inner	ADJ
ajst-19313	130	10	and	and	CCONJ
ajst-19313	130	11	outer	outer	ADJ
ajst-19313	130	12	threads	thread	NOUN
ajst-19313	130	13	are	be	AUX
ajst-19313	130	14	taper	taper	NOUN
ajst-19313	130	15	limit	limit	NOUN
ajst-19313	130	16	deviations	deviation	NOUN
ajst-19313	130	17	,	,	PUNCT
ajst-19313	130	18	the	the	DET
ajst-19313	130	19	sealing	sealing	NOUN
ajst-19313	130	20	performance	performance	NOUN
ajst-19313	130	21	of	of	ADP
ajst-19313	130	22	the	the	DET
ajst-19313	130	23	drill	drill	NOUN
ajst-19313	130	24	pipe	pipe	NOUN
ajst-19313	130	25	joint	joint	NOUN
ajst-19313	130	26	has	have	VERB
ajst-19313	130	27	the	the	DET
ajst-19313	130	28	greatest	great	ADJ
ajst-19313	130	29	impact	impact	NOUN
ajst-19313	130	30	,	,	PUNCT
ajst-19313	130	31	and	and	CCONJ
ajst-19313	130	32	the	the	DET
ajst-19313	130	33	sealing	sealing	NOUN
ajst-19313	130	34	index	index	NOUN
ajst-19313	130	35	has	have	AUX
ajst-19313	130	36	always	always	ADV
ajst-19313	130	37	been	be	AUX
ajst-19313	130	38	at	at	ADP
ajst-19313	130	39	the	the	DET
ajst-19313	130	40	lowest	low	ADJ
ajst-19313	130	41	value	value	NOUN
ajst-19313	130	42	compared	compare	VERB
ajst-19313	130	43	to	to	ADP
ajst-19313	130	44	other	other	ADJ
ajst-19313	130	45	structures	structure	NOUN
ajst-19313	130	46	.	.	PUNCT
ajst-19313	131	1	it	it	PRON
ajst-19313	131	2	can	can	AUX
ajst-19313	131	3	be	be	AUX
ajst-19313	131	4	seen	see	VERB
ajst-19313	131	5	from	from	ADP
ajst-19313	131	6	figure	figure	NOUN
ajst-19313	131	7	14(b	14(b	NUM
ajst-19313	131	8	)	)	PUNCT
ajst-19313	131	9	that	that	SCONJ
ajst-19313	131	10	the	the	DET
ajst-19313	131	11	structure	structure	NOUN
ajst-19313	131	12	containing	contain	VERB
ajst-19313	131	13	the	the	DET
ajst-19313	131	14	internal	internal	ADJ
ajst-19313	131	15	thread	thread	NOUN
ajst-19313	131	16	taper	taper	NOUN
ajst-19313	131	17	limit	limit	NOUN
ajst-19313	131	18	deviation	deviation	NOUN
ajst-19313	131	19	(	(	PUNCT
ajst-19313	131	20	combination	combination	NOUN
ajst-19313	131	21	ii	ii	NOUN
ajst-19313	131	22	.	.	PUNCT
ajst-19313	131	23	and	and	CCONJ
ajst-19313	131	24	iii	iii	X
ajst-19313	131	25	)	)	PUNCT
ajst-19313	131	26	,	,	PUNCT
ajst-19313	131	27	when	when	SCONJ
ajst-19313	131	28	the	the	DET
ajst-19313	131	29	axial	axial	ADJ
ajst-19313	131	30	compressive	compressive	ADJ
ajst-19313	131	31	load	load	NOUN
ajst-19313	131	32	is	be	AUX
ajst-19313	131	33	not	not	PART
ajst-19313	131	34	higher	high	ADJ
ajst-19313	131	35	than	than	ADP
ajst-19313	131	36	950kn	950kn	NOUN
ajst-19313	131	37	,	,	PUNCT
ajst-19313	131	38	the	the	DET
ajst-19313	131	39	maximum	maximum	ADJ
ajst-19313	131	40	mises	mises	PROPN
ajst-19313	131	41	stress	stress	NOUN
ajst-19313	131	42	values	value	NOUN
ajst-19313	131	43	are	be	AUX
ajst-19313	131	44	lower	low	ADJ
ajst-19313	131	45	than	than	ADP
ajst-19313	131	46	the	the	DET
ajst-19313	131	47	ideal	ideal	ADJ
ajst-19313	131	48	structure	structure	NOUN
ajst-19313	131	49	,	,	PUNCT
ajst-19313	131	50	and	and	CCONJ
ajst-19313	131	51	the	the	DET
ajst-19313	131	52	value	value	NOUN
ajst-19313	131	53	changes	change	NOUN
ajst-19313	131	54	are	be	AUX
ajst-19313	131	55	almost	almost	ADV
ajst-19313	131	56	consistent	consistent	ADJ
ajst-19313	131	57	.	.	PUNCT
ajst-19313	132	1	on	on	ADP
ajst-19313	132	2	the	the	DET
ajst-19313	132	3	whole	whole	NOUN
ajst-19313	132	4	,	,	PUNCT
ajst-19313	132	5	the	the	DET
ajst-19313	132	6	sealing	sealing	NOUN
ajst-19313	132	7	performance	performance	NOUN
ajst-19313	132	8	of	of	ADP
ajst-19313	132	9	different	different	ADJ
ajst-19313	132	10	taper	taper	NOUN
ajst-19313	132	11	limit	limit	NOUN
ajst-19313	132	12	deviation	deviation	NOUN
ajst-19313	132	13	combination	combination	NOUN
ajst-19313	132	14	structures	structure	NOUN
ajst-19313	132	15	is	be	AUX
ajst-19313	132	16	greatly	greatly	ADV
ajst-19313	132	17	affected	affect	VERB
ajst-19313	132	18	by	by	ADP
ajst-19313	132	19	the	the	DET
ajst-19313	132	20	axial	axial	ADJ
ajst-19313	132	21	tensile	tensile	NOUN
ajst-19313	132	22	load	load	NOUN
ajst-19313	132	23	,	,	PUNCT
ajst-19313	132	24	and	and	CCONJ
ajst-19313	132	25	the	the	DET
ajst-19313	132	26	sealing	sealing	NOUN
ajst-19313	132	27	effect	effect	NOUN
ajst-19313	132	28	is	be	AUX
ajst-19313	132	29	not	not	PART
ajst-19313	132	30	ideal	ideal	ADJ
ajst-19313	132	31	,	,	PUNCT
ajst-19313	132	32	and	and	CCONJ
ajst-19313	132	33	the	the	DET
ajst-19313	132	34	maximum	maximum	ADJ
ajst-19313	132	35	mises	mises	PROPN
ajst-19313	132	36	stress	stress	NOUN
ajst-19313	132	37	value	value	NOUN
ajst-19313	132	38	changes	change	NOUN
ajst-19313	132	39	greatly	greatly	ADV
ajst-19313	132	40	with	with	ADP
ajst-19313	132	41	the	the	DET
ajst-19313	132	42	increase	increase	NOUN
ajst-19313	132	43	of	of	ADP
ajst-19313	132	44	tensile	tensile	NOUN
ajst-19313	132	45	load	load	NOUN
ajst-19313	132	46	,	,	PUNCT
ajst-19313	132	47	and	and	CCONJ
ajst-19313	132	48	the	the	DET
ajst-19313	132	49	maximum	maximum	ADJ
ajst-19313	132	50	increase	increase	NOUN
ajst-19313	132	51	is	be	AUX
ajst-19313	132	52	46.7	46.7	NUM
ajst-19313	132	53	%	%	NOUN
ajst-19313	132	54	(	(	PUNCT
ajst-19313	132	55	combination	combination	NOUN
ajst-19313	132	56	iii	iii	NOUN
ajst-19313	132	57	)	)	PUNCT
ajst-19313	132	58	.	.	PUNCT
ajst-19313	133	1	figure	figure	NOUN
ajst-19313	133	2	14	14	NUM
ajst-19313	133	3	.	.	PUNCT
ajst-19313	134	1	sealing	seal	VERB
ajst-19313	134	2	index	index	NOUN
ajst-19313	134	3	and	and	CCONJ
ajst-19313	134	4	maximum	maximum	ADJ
ajst-19313	134	5	mises	mises	PROPN
ajst-19313	134	6	stress	stress	NOUN
ajst-19313	134	7	curve	curve	NOUN
ajst-19313	134	8	under	under	ADP
ajst-19313	134	9	compressive	compressive	ADJ
ajst-19313	134	10	load	load	NOUN
ajst-19313	134	11	ⅱ	ⅱ	PROPN
ajst-19313	134	12	)	)	PUNCT
ajst-19313	134	13	.	.	PUNCT
ajst-19313	135	1	the	the	DET
ajst-19313	135	2	effect	effect	NOUN
ajst-19313	135	3	of	of	ADP
ajst-19313	135	4	deviation	deviation	NOUN
ajst-19313	135	5	of	of	ADP
ajst-19313	135	6	the	the	DET
ajst-19313	135	7	tooth	tooth	NOUN
ajst-19313	135	8	flank	flank	NOUN
ajst-19313	135	9	angle	angle	NOUN
ajst-19313	135	10	it	it	PRON
ajst-19313	135	11	can	can	AUX
ajst-19313	135	12	be	be	AUX
ajst-19313	135	13	seen	see	VERB
ajst-19313	135	14	from	from	ADP
ajst-19313	135	15	figure	figure	NOUN
ajst-19313	135	16	15(a	15(a	NUM
ajst-19313	135	17	)	)	PUNCT
ajst-19313	135	18	that	that	SCONJ
ajst-19313	135	19	the	the	DET
ajst-19313	135	20	changing	change	VERB
ajst-19313	135	21	trend	trend	NOUN
ajst-19313	135	22	of	of	ADP
ajst-19313	135	23	sealing	seal	VERB
ajst-19313	135	24	index	index	NOUN
ajst-19313	135	25	with	with	ADP
ajst-19313	135	26	the	the	DET
ajst-19313	135	27	increase	increase	NOUN
ajst-19313	135	28	of	of	ADP
ajst-19313	135	29	axial	axial	ADJ
ajst-19313	135	30	tensile	tensile	NOUN
ajst-19313	135	31	load	load	NOUN
ajst-19313	135	32	of	of	ADP
ajst-19313	135	33	several	several	ADJ
ajst-19313	135	34	tooth	tooth	NOUN
ajst-19313	135	35	flank	flank	NOUN
ajst-19313	135	36	angle	angle	NOUN
ajst-19313	135	37	limit	limit	NOUN
ajst-19313	135	38	deviation	deviation	NOUN
ajst-19313	135	39	combination	combination	NOUN
ajst-19313	135	40	structures	structure	NOUN
ajst-19313	135	41	is	be	AUX
ajst-19313	135	42	the	the	DET
ajst-19313	135	43	same	same	ADJ
ajst-19313	135	44	as	as	ADP
ajst-19313	135	45	that	that	PRON
ajst-19313	135	46	of	of	ADP
ajst-19313	135	47	ideal	ideal	ADJ
ajst-19313	135	48	structures	structure	NOUN
ajst-19313	135	49	,	,	PUNCT
ajst-19313	135	50	and	and	CCONJ
ajst-19313	135	51	the	the	DET
ajst-19313	135	52	overall	overall	ADJ
ajst-19313	135	53	value	value	NOUN
ajst-19313	135	54	is	be	AUX
ajst-19313	135	55	not	not	PART
ajst-19313	135	56	much	much	ADV
ajst-19313	135	57	different	different	ADJ
ajst-19313	135	58	,	,	PUNCT
ajst-19313	135	59	and	and	CCONJ
ajst-19313	135	60	the	the	DET
ajst-19313	135	61	maximum	maximum	ADJ
ajst-19313	135	62	difference	difference	NOUN
ajst-19313	135	63	is	be	AUX
ajst-19313	135	64	14.7	14.7	NUM
ajst-19313	135	65	%	%	NOUN
ajst-19313	135	66	of	of	ADP
ajst-19313	135	67	the	the	DET
ajst-19313	135	68	ideal	ideal	ADJ
ajst-19313	135	69	state	state	NOUN
ajst-19313	135	70	.	.	PUNCT
ajst-19313	136	1	from	from	ADP
ajst-19313	136	2	the	the	DET
ajst-19313	136	3	change	change	NOUN
ajst-19313	136	4	trend	trend	NOUN
ajst-19313	136	5	of	of	ADP
ajst-19313	136	6	maximum	maximum	ADJ
ajst-19313	136	7	mises	mise	NOUN
ajst-19313	136	8	stress	stress	VERB
ajst-19313	136	9	in	in	ADP
ajst-19313	136	10	figure	figure	NOUN
ajst-19313	136	11	15(b	15(b	NUM
ajst-19313	136	12	)	)	PUNCT
ajst-19313	136	13	,	,	PUNCT
ajst-19313	136	14	it	it	PRON
ajst-19313	136	15	can	can	AUX
ajst-19313	136	16	be	be	AUX
ajst-19313	136	17	seen	see	VERB
ajst-19313	136	18	that	that	SCONJ
ajst-19313	136	19	the	the	DET
ajst-19313	136	20	maximum	maximum	ADJ
ajst-19313	136	21	mises	mises	PROPN
ajst-19313	136	22	stress	stress	NOUN
ajst-19313	136	23	of	of	ADP
ajst-19313	136	24	the	the	DET
ajst-19313	136	25	structures	structure	NOUN
ajst-19313	136	26	(	(	PUNCT
ajst-19313	136	27	combination	combination	NOUN
ajst-19313	136	28	i	i	PRON
ajst-19313	136	29	and	and	CCONJ
ajst-19313	136	30	ii	ii	NUM
ajst-19313	136	31	)	)	PUNCT
ajst-19313	136	32	with	with	ADP
ajst-19313	136	33	the	the	DET
ajst-19313	136	34	opposite	opposite	ADJ
ajst-19313	136	35	variation	variation	NOUN
ajst-19313	136	36	of	of	ADP
ajst-19313	136	37	the	the	DET
ajst-19313	136	38	lateral	lateral	ADJ
ajst-19313	136	39	angle	angle	NOUN
ajst-19313	136	40	deviation	deviation	NOUN
ajst-19313	136	41	of	of	ADP
ajst-19313	136	42	the	the	DET
ajst-19313	136	43	internal	internal	ADJ
ajst-19313	136	44	and	and	CCONJ
ajst-19313	136	45	external	external	ADJ
ajst-19313	136	46	thread	thread	NOUN
ajst-19313	136	47	teeth	tooth	NOUN
ajst-19313	136	48	has	have	AUX
ajst-19313	136	49	been	be	AUX
ajst-19313	136	50	located	locate	VERB
ajst-19313	136	51	at	at	ADP
ajst-19313	136	52	a	a	DET
ajst-19313	136	53	higher	high	ADJ
ajst-19313	136	54	value	value	NOUN
ajst-19313	136	55	with	with	ADP
ajst-19313	136	56	the	the	DET
ajst-19313	136	57	increase	increase	NOUN
ajst-19313	136	58	of	of	ADP
ajst-19313	136	59	axial	axial	ADJ
ajst-19313	136	60	tensile	tensile	NOUN
ajst-19313	136	61	load	load	NOUN
ajst-19313	136	62	,	,	PUNCT
ajst-19313	136	63	which	which	PRON
ajst-19313	136	64	is	be	AUX
ajst-19313	136	65	much	much	ADV
ajst-19313	136	66	higher	high	ADJ
ajst-19313	136	67	than	than	ADP
ajst-19313	136	68	the	the	DET
ajst-19313	136	69	ideal	ideal	ADJ
ajst-19313	136	70	structure	structure	NOUN
ajst-19313	136	71	and	and	CCONJ
ajst-19313	136	72	combination	combination	NOUN
ajst-19313	136	73	iii	iii	NUM
ajst-19313	136	74	and	and	CCONJ
ajst-19313	136	75	iv	iv	NUM
ajst-19313	136	76	,	,	PUNCT
ajst-19313	136	77	of	of	ADP
ajst-19313	136	78	which	which	PRON
ajst-19313	136	79	the	the	DET
ajst-19313	136	80	maximum	maximum	ADJ
ajst-19313	136	81	value	value	NOUN
ajst-19313	136	82	is	be	AUX
ajst-19313	136	83	938.2mpa	938.2mpa	NOUN
ajst-19313	136	84	,	,	PUNCT
ajst-19313	136	85	which	which	PRON
ajst-19313	136	86	has	have	AUX
ajst-19313	136	87	exceeded	exceed	VERB
ajst-19313	136	88	the	the	DET
ajst-19313	136	89	yield	yield	NOUN
ajst-19313	136	90	322	322	NUM
ajst-19313	136	91	strength	strength	NOUN
ajst-19313	136	92	of	of	ADP
ajst-19313	136	93	the	the	DET
ajst-19313	136	94	material	material	NOUN
ajst-19313	136	95	.	.	PUNCT
ajst-19313	137	1	a	a	DET
ajst-19313	137	2	certain	certain	ADJ
ajst-19313	137	3	amount	amount	NOUN
ajst-19313	137	4	of	of	ADP
ajst-19313	137	5	plastic	plastic	ADJ
ajst-19313	137	6	deformation	deformation	NOUN
ajst-19313	137	7	will	will	AUX
ajst-19313	137	8	occur	occur	VERB
ajst-19313	137	9	in	in	ADP
ajst-19313	137	10	the	the	DET
ajst-19313	137	11	part	part	NOUN
ajst-19313	137	12	of	of	ADP
ajst-19313	137	13	the	the	DET
ajst-19313	137	14	drill	drill	NOUN
ajst-19313	137	15	pipe	pipe	NOUN
ajst-19313	137	16	joint	joint	NOUN
ajst-19313	137	17	,	,	PUNCT
ajst-19313	137	18	which	which	PRON
ajst-19313	137	19	will	will	AUX
ajst-19313	137	20	affect	affect	VERB
ajst-19313	137	21	the	the	DET
ajst-19313	137	22	sealing	sealing	NOUN
ajst-19313	137	23	reliability	reliability	NOUN
ajst-19313	137	24	.	.	PUNCT
ajst-19313	138	1	when	when	SCONJ
ajst-19313	138	2	the	the	DET
ajst-19313	138	3	variation	variation	NOUN
ajst-19313	138	4	of	of	ADP
ajst-19313	138	5	the	the	DET
ajst-19313	138	6	flank	flank	NOUN
ajst-19313	138	7	angle	angle	NOUN
ajst-19313	138	8	of	of	ADP
ajst-19313	138	9	the	the	DET
ajst-19313	138	10	internal	internal	ADJ
ajst-19313	138	11	and	and	CCONJ
ajst-19313	138	12	external	external	ADJ
ajst-19313	138	13	threaded	thread	VERB
ajst-19313	138	14	teeth	tooth	NOUN
ajst-19313	138	15	is	be	AUX
ajst-19313	138	16	consistent	consistent	ADJ
ajst-19313	138	17	(	(	PUNCT
ajst-19313	138	18	combination	combination	NOUN
ajst-19313	138	19	iii	iii	NOUN
ajst-19313	138	20	.	.	PUNCT
ajst-19313	138	21	and	and	CCONJ
ajst-19313	138	22	iv	iv	X
ajst-19313	138	23	)	)	PUNCT
ajst-19313	138	24	,	,	PUNCT
ajst-19313	138	25	the	the	DET
ajst-19313	138	26	initial	initial	ADJ
ajst-19313	138	27	interference	interference	NOUN
ajst-19313	138	28	or	or	CCONJ
ajst-19313	138	29	gap	gap	NOUN
ajst-19313	138	30	of	of	ADP
ajst-19313	138	31	the	the	DET
ajst-19313	138	32	contact	contact	NOUN
ajst-19313	138	33	surface	surface	NOUN
ajst-19313	138	34	of	of	ADP
ajst-19313	138	35	each	each	DET
ajst-19313	138	36	threaded	thread	VERB
ajst-19313	138	37	tooth	tooth	NOUN
ajst-19313	138	38	is	be	AUX
ajst-19313	138	39	the	the	DET
ajst-19313	138	40	same	same	ADJ
ajst-19313	138	41	,	,	PUNCT
ajst-19313	138	42	and	and	CCONJ
ajst-19313	138	43	the	the	DET
ajst-19313	138	44	value	value	NOUN
ajst-19313	138	45	is	be	AUX
ajst-19313	138	46	much	much	ADV
ajst-19313	138	47	smaller	small	ADJ
ajst-19313	138	48	than	than	ADP
ajst-19313	138	49	the	the	DET
ajst-19313	138	50	size	size	NOUN
ajst-19313	138	51	of	of	ADP
ajst-19313	138	52	the	the	DET
ajst-19313	138	53	threaded	thread	VERB
ajst-19313	138	54	tooth	tooth	NOUN
ajst-19313	138	55	.	.	PUNCT
ajst-19313	139	1	therefore	therefore	ADV
ajst-19313	139	2	,	,	PUNCT
ajst-19313	139	3	the	the	DET
ajst-19313	139	4	variation	variation	NOUN
ajst-19313	139	5	trend	trend	NOUN
ajst-19313	139	6	of	of	ADP
ajst-19313	139	7	the	the	DET
ajst-19313	139	8	maximum	maximum	ADJ
ajst-19313	139	9	mises	mises	PROPN
ajst-19313	139	10	stress	stress	NOUN
ajst-19313	139	11	value	value	NOUN
ajst-19313	139	12	of	of	ADP
ajst-19313	139	13	the	the	DET
ajst-19313	139	14	two	two	NUM
ajst-19313	139	15	is	be	AUX
ajst-19313	139	16	consistent	consistent	ADJ
ajst-19313	139	17	with	with	ADP
ajst-19313	139	18	the	the	DET
ajst-19313	139	19	ideal	ideal	ADJ
ajst-19313	139	20	structure	structure	NOUN
ajst-19313	139	21	.	.	PUNCT
ajst-19313	140	1	figure	figure	VERB
ajst-19313	140	2	15	15	NUM
ajst-19313	140	3	.	.	PUNCT
ajst-19313	141	1	sealing	seal	VERB
ajst-19313	141	2	index	index	NOUN
ajst-19313	141	3	and	and	CCONJ
ajst-19313	141	4	maximum	maximum	ADJ
ajst-19313	141	5	mises	mises	PROPN
ajst-19313	141	6	stress	stress	NOUN
ajst-19313	141	7	curve	curve	NOUN
ajst-19313	141	8	under	under	ADP
ajst-19313	141	9	tensile	tensile	NOUN
ajst-19313	141	10	load	load	NOUN
ajst-19313	141	11	it	it	PRON
ajst-19313	141	12	can	can	AUX
ajst-19313	141	13	be	be	AUX
ajst-19313	141	14	seen	see	VERB
ajst-19313	141	15	from	from	ADP
ajst-19313	141	16	figure	figure	NOUN
ajst-19313	141	17	16(a	16(a	NUM
ajst-19313	141	18	)	)	PUNCT
ajst-19313	141	19	that	that	SCONJ
ajst-19313	141	20	the	the	DET
ajst-19313	141	21	trend	trend	NOUN
ajst-19313	141	22	of	of	ADP
ajst-19313	141	23	the	the	DET
ajst-19313	141	24	sealing	sealing	NOUN
ajst-19313	141	25	index	index	NOUN
ajst-19313	141	26	of	of	ADP
ajst-19313	141	27	the	the	DET
ajst-19313	141	28	drill	drill	NOUN
ajst-19313	141	29	pipe	pipe	NOUN
ajst-19313	141	30	joint	joint	NOUN
ajst-19313	141	31	is	be	AUX
ajst-19313	141	32	the	the	DET
ajst-19313	141	33	same	same	ADJ
ajst-19313	141	34	as	as	ADP
ajst-19313	141	35	that	that	PRON
ajst-19313	141	36	of	of	ADP
ajst-19313	141	37	the	the	DET
ajst-19313	141	38	ideal	ideal	ADJ
ajst-19313	141	39	structure	structure	NOUN
ajst-19313	141	40	,	,	PUNCT
ajst-19313	141	41	the	the	DET
ajst-19313	141	42	change	change	NOUN
ajst-19313	141	43	is	be	AUX
ajst-19313	141	44	almost	almost	ADV
ajst-19313	141	45	linear	linear	ADJ
ajst-19313	141	46	,	,	PUNCT
ajst-19313	141	47	and	and	CCONJ
ajst-19313	141	48	the	the	DET
ajst-19313	141	49	numerical	numerical	ADJ
ajst-19313	141	50	difference	difference	NOUN
ajst-19313	141	51	is	be	AUX
ajst-19313	141	52	not	not	PART
ajst-19313	141	53	large	large	ADJ
ajst-19313	141	54	,	,	PUNCT
ajst-19313	141	55	which	which	PRON
ajst-19313	141	56	is	be	AUX
ajst-19313	141	57	similar	similar	ADJ
ajst-19313	141	58	to	to	ADP
ajst-19313	141	59	the	the	DET
ajst-19313	141	60	change	change	NOUN
ajst-19313	141	61	under	under	ADP
ajst-19313	141	62	axial	axial	ADJ
ajst-19313	141	63	tensile	tensile	NOUN
ajst-19313	141	64	conditions	condition	NOUN
ajst-19313	141	65	.	.	PUNCT
ajst-19313	142	1	it	it	PRON
ajst-19313	142	2	can	can	AUX
ajst-19313	142	3	be	be	AUX
ajst-19313	142	4	seen	see	VERB
ajst-19313	142	5	from	from	ADP
ajst-19313	142	6	figure	figure	NOUN
ajst-19313	142	7	16(b	16(b	NUM
ajst-19313	142	8	)	)	PUNCT
ajst-19313	142	9	that	that	SCONJ
ajst-19313	142	10	,	,	PUNCT
ajst-19313	142	11	as	as	ADP
ajst-19313	142	12	in	in	ADP
ajst-19313	142	13	the	the	DET
ajst-19313	142	14	tensile	tensile	NOUN
ajst-19313	142	15	condition	condition	NOUN
ajst-19313	142	16	,	,	PUNCT
ajst-19313	142	17	the	the	DET
ajst-19313	142	18	variation	variation	NOUN
ajst-19313	142	19	of	of	ADP
ajst-19313	142	20	the	the	DET
ajst-19313	142	21	flank	flank	NOUN
ajst-19313	142	22	angle	angle	NOUN
ajst-19313	142	23	of	of	ADP
ajst-19313	142	24	the	the	DET
ajst-19313	142	25	internal	internal	ADJ
ajst-19313	142	26	and	and	CCONJ
ajst-19313	142	27	external	external	ADJ
ajst-19313	142	28	thread	thread	NOUN
ajst-19313	142	29	teeth	tooth	NOUN
ajst-19313	142	30	is	be	AUX
ajst-19313	142	31	not	not	PART
ajst-19313	142	32	the	the	DET
ajst-19313	142	33	same	same	ADJ
ajst-19313	142	34	(	(	PUNCT
ajst-19313	142	35	combination	combination	NOUN
ajst-19313	142	36	i	i	PRON
ajst-19313	142	37	and	and	CCONJ
ajst-19313	142	38	ii	ii	NUM
ajst-19313	142	39	)	)	PUNCT
ajst-19313	142	40	,	,	PUNCT
ajst-19313	142	41	and	and	CCONJ
ajst-19313	142	42	the	the	DET
ajst-19313	142	43	maximum	maximum	ADJ
ajst-19313	142	44	mises	mises	PROPN
ajst-19313	142	45	stress	stress	NOUN
ajst-19313	142	46	is	be	AUX
ajst-19313	142	47	at	at	ADP
ajst-19313	142	48	a	a	DET
ajst-19313	142	49	higher	high	ADJ
ajst-19313	142	50	value	value	NOUN
ajst-19313	142	51	overall	overall	ADJ
ajst-19313	142	52	.	.	PUNCT
ajst-19313	143	1	for	for	ADP
ajst-19313	143	2	structures	structure	NOUN
ajst-19313	143	3	with	with	ADP
ajst-19313	143	4	the	the	DET
ajst-19313	143	5	same	same	ADJ
ajst-19313	143	6	change	change	NOUN
ajst-19313	143	7	of	of	ADP
ajst-19313	143	8	tooth	tooth	NOUN
ajst-19313	143	9	flank	flank	NOUN
ajst-19313	143	10	angle	angle	NOUN
ajst-19313	143	11	(	(	PUNCT
ajst-19313	143	12	combination	combination	NOUN
ajst-19313	143	13	iii	iii	NOUN
ajst-19313	143	14	and	and	CCONJ
ajst-19313	143	15	iv	iv	NOUN
ajst-19313	143	16	)	)	PUNCT
ajst-19313	143	17	,	,	PUNCT
ajst-19313	143	18	the	the	DET
ajst-19313	143	19	maximum	maximum	ADJ
ajst-19313	143	20	mises	mises	PROPN
ajst-19313	143	21	stress	stress	VERB
ajst-19313	143	22	change	change	NOUN
ajst-19313	143	23	trend	trend	NOUN
ajst-19313	143	24	is	be	AUX
ajst-19313	143	25	the	the	DET
ajst-19313	143	26	same	same	ADJ
ajst-19313	143	27	as	as	ADP
ajst-19313	143	28	that	that	PRON
ajst-19313	143	29	of	of	ADP
ajst-19313	143	30	the	the	DET
ajst-19313	143	31	ideal	ideal	ADJ
ajst-19313	143	32	structure	structure	NOUN
ajst-19313	143	33	.	.	PUNCT
ajst-19313	144	1	therefore	therefore	ADV
ajst-19313	144	2	,	,	PUNCT
ajst-19313	144	3	regardless	regardless	ADV
ajst-19313	144	4	of	of	ADP
ajst-19313	144	5	the	the	DET
ajst-19313	144	6	axial	axial	ADJ
ajst-19313	144	7	load	load	NOUN
ajst-19313	144	8	condition	condition	NOUN
ajst-19313	144	9	,	,	PUNCT
ajst-19313	144	10	the	the	DET
ajst-19313	144	11	sealing	seal	VERB
ajst-19313	144	12	index	index	NOUN
ajst-19313	144	13	of	of	ADP
ajst-19313	144	14	drill	drill	NOUN
ajst-19313	144	15	pipe	pipe	NOUN
ajst-19313	144	16	joints	joint	NOUN
ajst-19313	144	17	with	with	ADP
ajst-19313	144	18	different	different	ADJ
ajst-19313	144	19	combinations	combination	NOUN
ajst-19313	144	20	of	of	ADP
ajst-19313	144	21	flank	flank	NOUN
ajst-19313	144	22	angle	angle	NOUN
ajst-19313	144	23	limit	limit	NOUN
ajst-19313	144	24	deviation	deviation	NOUN
ajst-19313	144	25	is	be	AUX
ajst-19313	144	26	not	not	PART
ajst-19313	144	27	much	much	ADV
ajst-19313	144	28	different	different	ADJ
ajst-19313	144	29	from	from	ADP
ajst-19313	144	30	the	the	DET
ajst-19313	144	31	ideal	ideal	ADJ
ajst-19313	144	32	structure	structure	NOUN
ajst-19313	144	33	.	.	PUNCT
ajst-19313	145	1	however	however	ADV
ajst-19313	145	2	,	,	PUNCT
ajst-19313	145	3	when	when	SCONJ
ajst-19313	145	4	the	the	DET
ajst-19313	145	5	limit	limit	NOUN
ajst-19313	145	6	deviation	deviation	NOUN
ajst-19313	145	7	of	of	ADP
ajst-19313	145	8	the	the	DET
ajst-19313	145	9	side	side	NOUN
ajst-19313	145	10	angle	angle	NOUN
ajst-19313	145	11	of	of	ADP
ajst-19313	145	12	the	the	DET
ajst-19313	145	13	inner	inner	ADJ
ajst-19313	145	14	and	and	CCONJ
ajst-19313	145	15	outer	outer	ADJ
ajst-19313	145	16	thread	thread	NOUN
ajst-19313	145	17	teeth	tooth	NOUN
ajst-19313	145	18	changes	change	VERB
ajst-19313	145	19	the	the	DET
ajst-19313	145	20	opposite	opposite	NOUN
ajst-19313	145	21	,	,	PUNCT
ajst-19313	145	22	the	the	DET
ajst-19313	145	23	mises	mise	NOUN
ajst-19313	145	24	stress	stress	NOUN
ajst-19313	145	25	will	will	AUX
ajst-19313	145	26	be	be	AUX
ajst-19313	145	27	close	close	ADJ
ajst-19313	145	28	to	to	ADP
ajst-19313	145	29	or	or	CCONJ
ajst-19313	145	30	slightly	slightly	ADV
ajst-19313	145	31	exceed	exceed	VERB
ajst-19313	145	32	the	the	DET
ajst-19313	145	33	yield	yield	NOUN
ajst-19313	145	34	strength	strength	NOUN
ajst-19313	145	35	of	of	ADP
ajst-19313	145	36	the	the	DET
ajst-19313	145	37	material	material	NOUN
ajst-19313	145	38	,	,	PUNCT
ajst-19313	145	39	which	which	PRON
ajst-19313	145	40	is	be	AUX
ajst-19313	145	41	easy	easy	ADJ
ajst-19313	145	42	to	to	PART
ajst-19313	145	43	causes	cause	VERB
ajst-19313	145	44	damage	damage	NOUN
ajst-19313	145	45	to	to	ADP
ajst-19313	145	46	the	the	DET
ajst-19313	145	47	contact	contact	NOUN
ajst-19313	145	48	surface	surface	NOUN
ajst-19313	145	49	and	and	CCONJ
ajst-19313	145	50	the	the	DET
ajst-19313	145	51	unfavorable	unfavorable	ADJ
ajst-19313	145	52	phenomenon	phenomenon	NOUN
ajst-19313	145	53	of	of	ADP
ajst-19313	145	54	bonding	bonding	NOUN
ajst-19313	145	55	.	.	PUNCT
ajst-19313	146	1	figure	figure	NOUN
ajst-19313	146	2	16	16	NUM
ajst-19313	146	3	.	.	PUNCT
ajst-19313	147	1	sealing	seal	VERB
ajst-19313	147	2	index	index	NOUN
ajst-19313	147	3	and	and	CCONJ
ajst-19313	147	4	maximum	maximum	ADJ
ajst-19313	147	5	mises	mises	PROPN
ajst-19313	147	6	stress	stress	NOUN
ajst-19313	147	7	curve	curve	NOUN
ajst-19313	147	8	under	under	ADP
ajst-19313	147	9	compressive	compressive	ADJ
ajst-19313	147	10	load	load	NOUN
ajst-19313	147	11	ⅲ	ⅲ	PROPN
ajst-19313	147	12	)	)	PUNCT
ajst-19313	147	13	.	.	PUNCT
ajst-19313	148	1	the	the	DET
ajst-19313	148	2	effect	effect	NOUN
ajst-19313	148	3	of	of	ADP
ajst-19313	148	4	pitch	pitch	NOUN
ajst-19313	148	5	deviation	deviation	NOUN
ajst-19313	148	6	as	as	SCONJ
ajst-19313	148	7	shown	show	VERB
ajst-19313	148	8	in	in	ADP
ajst-19313	148	9	figure	figure	NOUN
ajst-19313	148	10	17(a	17(a	NUM
ajst-19313	148	11	)	)	PUNCT
ajst-19313	148	12	,	,	PUNCT
ajst-19313	148	13	the	the	DET
ajst-19313	148	14	presence	presence	NOUN
ajst-19313	148	15	of	of	ADP
ajst-19313	148	16	a	a	DET
ajst-19313	148	17	pitch	pitch	NOUN
ajst-19313	148	18	limit	limit	NOUN
ajst-19313	148	19	deviation	deviation	NOUN
ajst-19313	148	20	in	in	ADP
ajst-19313	148	21	the	the	DET
ajst-19313	148	22	drill	drill	NOUN
ajst-19313	148	23	pipe	pipe	NOUN
ajst-19313	148	24	joint	joint	NOUN
ajst-19313	148	25	has	have	VERB
ajst-19313	148	26	a	a	DET
ajst-19313	148	27	significant	significant	ADJ
ajst-19313	148	28	effect	effect	NOUN
ajst-19313	148	29	on	on	ADP
ajst-19313	148	30	the	the	DET
ajst-19313	148	31	sealing	sealing	NOUN
ajst-19313	148	32	performance	performance	NOUN
ajst-19313	148	33	of	of	ADP
ajst-19313	148	34	the	the	DET
ajst-19313	148	35	joint	joint	NOUN
ajst-19313	148	36	.	.	PUNCT
ajst-19313	149	1	among	among	ADP
ajst-19313	149	2	them	they	PRON
ajst-19313	149	3	,	,	PUNCT
ajst-19313	149	4	the	the	DET
ajst-19313	149	5	sealing	sealing	NOUN
ajst-19313	149	6	index	index	NOUN
ajst-19313	149	7	is	be	AUX
ajst-19313	149	8	most	most	ADV
ajst-19313	149	9	affected	affect	VERB
ajst-19313	149	10	by	by	ADP
ajst-19313	149	11	the	the	DET
ajst-19313	149	12	change	change	NOUN
ajst-19313	149	13	in	in	ADP
ajst-19313	149	14	the	the	DET
ajst-19313	149	15	pitch	pitch	NOUN
ajst-19313	149	16	of	of	ADP
ajst-19313	149	17	the	the	DET
ajst-19313	149	18	external	external	ADJ
ajst-19313	149	19	thread	thread	NOUN
ajst-19313	149	20	.	.	PUNCT
ajst-19313	150	1	when	when	SCONJ
ajst-19313	150	2	the	the	DET
ajst-19313	150	3	external	external	ADJ
ajst-19313	150	4	thread	thread	NOUN
ajst-19313	150	5	pitch	pitch	NOUN
ajst-19313	150	6	is	be	AUX
ajst-19313	150	7	the	the	DET
ajst-19313	150	8	limit	limit	NOUN
ajst-19313	150	9	pitch	pitch	NOUN
ajst-19313	150	10	(	(	PUNCT
ajst-19313	150	11	combination	combination	NOUN
ajst-19313	150	12	i	i	PRON
ajst-19313	150	13	and	and	CCONJ
ajst-19313	150	14	iii	iii	NOUN
ajst-19313	150	15	)	)	PUNCT
ajst-19313	150	16	,	,	PUNCT
ajst-19313	150	17	the	the	DET
ajst-19313	150	18	overall	overall	ADJ
ajst-19313	150	19	value	value	NOUN
ajst-19313	150	20	of	of	ADP
ajst-19313	150	21	the	the	DET
ajst-19313	150	22	sealing	sealing	NOUN
ajst-19313	150	23	index	index	NOUN
ajst-19313	150	24	is	be	AUX
ajst-19313	150	25	higher	high	ADJ
ajst-19313	150	26	than	than	ADP
ajst-19313	150	27	the	the	DET
ajst-19313	150	28	critical	critical	ADJ
ajst-19313	150	29	sealing	sealing	NOUN
ajst-19313	150	30	index	index	NOUN
ajst-19313	150	31	,	,	PUNCT
ajst-19313	150	32	the	the	DET
ajst-19313	150	33	sealing	sealing	NOUN
ajst-19313	150	34	performance	performance	NOUN
ajst-19313	150	35	is	be	AUX
ajst-19313	150	36	good	good	ADJ
ajst-19313	150	37	and	and	CCONJ
ajst-19313	150	38	there	there	PRON
ajst-19313	150	39	is	be	VERB
ajst-19313	150	40	no	no	DET
ajst-19313	150	41	leakage	leakage	NOUN
ajst-19313	150	42	under	under	ADP
ajst-19313	150	43	different	different	ADJ
ajst-19313	150	44	internal	internal	ADJ
ajst-19313	150	45	and	and	CCONJ
ajst-19313	150	46	external	external	ADJ
ajst-19313	150	47	pressure	pressure	NOUN
ajst-19313	150	48	differences	difference	NOUN
ajst-19313	150	49	.	.	PUNCT
ajst-19313	151	1	at	at	ADP
ajst-19313	151	2	the	the	DET
ajst-19313	151	3	same	same	ADJ
ajst-19313	151	4	time	time	NOUN
ajst-19313	151	5	,	,	PUNCT
ajst-19313	151	6	the	the	DET
ajst-19313	151	7	combination	combination	NOUN
ajst-19313	151	8	iii	iii	NUM
ajst-19313	151	9	seal	seal	NOUN
ajst-19313	151	10	reliability	reliability	NOUN
ajst-19313	151	11	is	be	AUX
ajst-19313	151	12	the	the	DET
ajst-19313	151	13	highest	high	ADJ
ajst-19313	151	14	,	,	PUNCT
ajst-19313	151	15	and	and	CCONJ
ajst-19313	151	16	the	the	DET
ajst-19313	151	17	highest	high	ADJ
ajst-19313	151	18	sealing	sealing	NOUN
ajst-19313	151	19	index	index	NOUN
ajst-19313	151	20	is	be	AUX
ajst-19313	151	21	146.1	146.1	NUM
ajst-19313	151	22	%	%	NOUN
ajst-19313	151	23	of	of	ADP
ajst-19313	151	24	the	the	DET
ajst-19313	151	25	ideal	ideal	ADJ
ajst-19313	151	26	state	state	NOUN
ajst-19313	151	27	.	.	PUNCT
ajst-19313	152	1	when	when	SCONJ
ajst-19313	152	2	the	the	DET
ajst-19313	152	3	external	external	ADJ
ajst-19313	152	4	thread	thread	NOUN
ajst-19313	152	5	pitch	pitch	NOUN
ajst-19313	152	6	is	be	AUX
ajst-19313	152	7	reduced	reduce	VERB
ajst-19313	152	8	(	(	PUNCT
ajst-19313	152	9	combination	combination	NOUN
ajst-19313	152	10	ii	ii	NOUN
ajst-19313	152	11	and	and	CCONJ
ajst-19313	152	12	iv	iv	NUM
ajst-19313	152	13	)	)	PUNCT
ajst-19313	152	14	,	,	PUNCT
ajst-19313	152	15	the	the	DET
ajst-19313	152	16	sealing	sealing	NOUN
ajst-19313	152	17	index	index	NOUN
ajst-19313	152	18	is	be	AUX
ajst-19313	152	19	significantly	significantly	ADV
ajst-19313	152	20	lower	low	ADJ
ajst-19313	152	21	than	than	ADP
ajst-19313	152	22	the	the	DET
ajst-19313	152	23	ideal	ideal	ADJ
ajst-19313	152	24	structure	structure	NOUN
ajst-19313	152	25	,	,	PUNCT
ajst-19313	152	26	and	and	CCONJ
ajst-19313	152	27	the	the	DET
ajst-19313	152	28	sealing	sealing	NOUN
ajst-19313	152	29	performance	performance	NOUN
ajst-19313	152	30	is	be	AUX
ajst-19313	152	31	very	very	ADV
ajst-19313	152	32	poor	poor	ADJ
ajst-19313	152	33	.	.	PUNCT
ajst-19313	153	1	in	in	ADP
ajst-19313	153	2	particular	particular	ADJ
ajst-19313	153	3	,	,	PUNCT
ajst-19313	153	4	the	the	DET
ajst-19313	153	5	sealing	seal	VERB
ajst-19313	153	6	failure	failure	NOUN
ajst-19313	153	7	of	of	ADP
ajst-19313	153	8	the	the	DET
ajst-19313	153	9	structure	structure	NOUN
ajst-19313	153	10	(	(	PUNCT
ajst-19313	153	11	combination	combination	NOUN
ajst-19313	153	12	iv	iv	NUM
ajst-19313	153	13	)	)	PUNCT
ajst-19313	153	14	with	with	ADP
ajst-19313	153	15	reduced	reduce	VERB
ajst-19313	153	16	thread	thread	NOUN
ajst-19313	153	17	pitch	pitch	NOUN
ajst-19313	153	18	of	of	ADP
ajst-19313	153	19	both	both	CCONJ
ajst-19313	153	20	internal	internal	ADJ
ajst-19313	153	21	and	and	CCONJ
ajst-19313	153	22	external	external	ADJ
ajst-19313	153	23	threads	thread	NOUN
ajst-19313	153	24	has	have	AUX
ajst-19313	153	25	already	already	ADV
ajst-19313	153	26	occurred	occur	VERB
ajst-19313	153	27	when	when	SCONJ
ajst-19313	153	28	the	the	DET
ajst-19313	153	29	tensile	tensile	NOUN
ajst-19313	153	30	load	load	NOUN
ajst-19313	153	31	is	be	AUX
ajst-19313	153	32	350	350	NUM
ajst-19313	153	33	kn	kn	PROPN
ajst-19313	153	34	.	.	PUNCT
ajst-19313	154	1	this	this	PRON
ajst-19313	154	2	is	be	AUX
ajst-19313	154	3	the	the	DET
ajst-19313	154	4	same	same	ADJ
ajst-19313	154	5	influencing	influence	VERB
ajst-19313	154	6	factor	factor	NOUN
ajst-19313	154	7	as	as	ADP
ajst-19313	154	8	in	in	ADP
ajst-19313	154	9	the	the	DET
ajst-19313	154	10	upper	upper	ADJ
ajst-19313	154	11	buckle	buckle	NOUN
ajst-19313	154	12	state	state	NOUN
ajst-19313	154	13	,	,	PUNCT
ajst-19313	154	14	so	so	SCONJ
ajst-19313	154	15	it	it	PRON
ajst-19313	154	16	is	be	AUX
ajst-19313	154	17	necessary	necessary	ADJ
ajst-19313	154	18	to	to	PART
ajst-19313	154	19	improve	improve	VERB
ajst-19313	154	20	the	the	DET
ajst-19313	154	21	machining	machining	NOUN
ajst-19313	154	22	accuracy	accuracy	NOUN
ajst-19313	154	23	and	and	CCONJ
ajst-19313	154	24	try	try	VERB
ajst-19313	154	25	to	to	PART
ajst-19313	154	26	control	control	VERB
ajst-19313	154	27	the	the	DET
ajst-19313	154	28	pitch	pitch	NOUN
ajst-19313	154	29	deviation	deviation	NOUN
ajst-19313	154	30	in	in	ADP
ajst-19313	154	31	a	a	DET
ajst-19313	154	32	lower	low	ADJ
ajst-19313	154	33	range	range	NOUN
ajst-19313	154	34	.	.	PUNCT
ajst-19313	155	1	it	it	PRON
ajst-19313	155	2	can	can	AUX
ajst-19313	155	3	be	be	AUX
ajst-19313	155	4	seen	see	VERB
ajst-19313	155	5	from	from	ADP
ajst-19313	155	6	figure	figure	NOUN
ajst-19313	155	7	17(b	17(b	NUM
ajst-19313	155	8	)	)	PUNCT
ajst-19313	155	9	that	that	SCONJ
ajst-19313	155	10	the	the	DET
ajst-19313	155	11	change	change	NOUN
ajst-19313	155	12	in	in	ADP
ajst-19313	155	13	the	the	DET
ajst-19313	155	14	pitch	pitch	NOUN
ajst-19313	155	15	of	of	ADP
ajst-19313	155	16	the	the	DET
ajst-19313	155	17	external	external	ADJ
ajst-19313	155	18	thread	thread	NOUN
ajst-19313	155	19	also	also	ADV
ajst-19313	155	20	has	have	VERB
ajst-19313	155	21	a	a	DET
ajst-19313	155	22	great	great	ADJ
ajst-19313	155	23	influence	influence	NOUN
ajst-19313	155	24	on	on	ADP
ajst-19313	155	25	the	the	DET
ajst-19313	155	26	maximum	maximum	ADJ
ajst-19313	155	27	mises	mises	PROPN
ajst-19313	155	28	stress	stress	NOUN
ajst-19313	155	29	of	of	ADP
ajst-19313	155	30	the	the	DET
ajst-19313	155	31	drill	drill	NOUN
ajst-19313	155	32	pipe	pipe	NOUN
ajst-19313	155	33	joint	joint	NOUN
ajst-19313	155	34	.	.	PUNCT
ajst-19313	156	1	when	when	SCONJ
ajst-19313	156	2	the	the	DET
ajst-19313	156	3	pitch	pitch	NOUN
ajst-19313	156	4	of	of	ADP
ajst-19313	156	5	the	the	DET
ajst-19313	156	6	external	external	ADJ
ajst-19313	156	7	thread	thread	NOUN
ajst-19313	156	8	increases	increase	NOUN
ajst-19313	156	9	(	(	PUNCT
ajst-19313	156	10	combination	combination	NOUN
ajst-19313	156	11	i	i	PRON
ajst-19313	156	12	and	and	CCONJ
ajst-19313	156	13	iii	iii	NOUN
ajst-19313	156	14	)	)	PUNCT
ajst-19313	156	15	,	,	PUNCT
ajst-19313	156	16	the	the	DET
ajst-19313	156	17	maximum	maximum	ADJ
ajst-19313	156	18	mises	mises	PROPN
ajst-19313	156	19	stress	stress	VERB
ajst-19313	156	20	is	be	AUX
ajst-19313	156	21	close	close	ADJ
ajst-19313	156	22	to	to	ADP
ajst-19313	156	23	or	or	CCONJ
ajst-19313	156	24	slightly	slightly	ADV
ajst-19313	156	25	exceeds	exceed	VERB
ajst-19313	156	26	the	the	DET
ajst-19313	156	27	yield	yield	NOUN
ajst-19313	156	28	strength	strength	NOUN
ajst-19313	156	29	of	of	ADP
ajst-19313	156	30	the	the	DET
ajst-19313	156	31	material	material	NOUN
ajst-19313	156	32	with	with	ADP
ajst-19313	156	33	the	the	DET
ajst-19313	156	34	increase	increase	NOUN
ajst-19313	156	35	of	of	ADP
ajst-19313	156	36	tensile	tensile	NOUN
ajst-19313	156	37	load	load	NOUN
ajst-19313	156	38	,	,	PUNCT
ajst-19313	156	39	and	and	CCONJ
ajst-19313	156	40	local	local	ADJ
ajst-19313	156	41	yield	yield	NOUN
ajst-19313	156	42	failure	failure	NOUN
ajst-19313	156	43	occurs	occur	VERB
ajst-19313	156	44	.	.	PUNCT
ajst-19313	157	1	when	when	SCONJ
ajst-19313	157	2	the	the	DET
ajst-19313	157	3	external	external	ADJ
ajst-19313	157	4	thread	thread	NOUN
ajst-19313	157	5	pitch	pitch	NOUN
ajst-19313	157	6	is	be	AUX
ajst-19313	157	7	reduced	reduce	VERB
ajst-19313	157	8	(	(	PUNCT
ajst-19313	157	9	combination	combination	NOUN
ajst-19313	157	10	ii	ii	NOUN
ajst-19313	157	11	and	and	CCONJ
ajst-19313	157	12	iv	iv	NUM
ajst-19313	157	13	)	)	PUNCT
ajst-19313	157	14	,	,	PUNCT
ajst-19313	157	15	the	the	DET
ajst-19313	157	16	maximum	maximum	ADJ
ajst-19313	157	17	mises	mises	PROPN
ajst-19313	157	18	stress	stress	VERB
ajst-19313	157	19	323	323	NUM
ajst-19313	157	20	of	of	ADP
ajst-19313	157	21	the	the	DET
ajst-19313	157	22	drill	drill	NOUN
ajst-19313	157	23	pipe	pipe	NOUN
ajst-19313	157	24	joint	joint	NOUN
ajst-19313	157	25	is	be	AUX
ajst-19313	157	26	not	not	PART
ajst-19313	157	27	high	high	ADJ
ajst-19313	157	28	,	,	PUNCT
ajst-19313	157	29	and	and	CCONJ
ajst-19313	157	30	the	the	DET
ajst-19313	157	31	structure	structure	NOUN
ajst-19313	157	32	is	be	AUX
ajst-19313	157	33	in	in	ADP
ajst-19313	157	34	a	a	DET
ajst-19313	157	35	safe	safe	ADJ
ajst-19313	157	36	state	state	NOUN
ajst-19313	157	37	.	.	PUNCT
ajst-19313	158	1	figure	figure	NOUN
ajst-19313	158	2	17	17	NUM
ajst-19313	158	3	.	.	PUNCT
ajst-19313	159	1	sealing	seal	VERB
ajst-19313	159	2	index	index	NOUN
ajst-19313	159	3	and	and	CCONJ
ajst-19313	159	4	maximum	maximum	ADJ
ajst-19313	159	5	mises	mises	PROPN
ajst-19313	159	6	stress	stress	NOUN
ajst-19313	159	7	curve	curve	NOUN
ajst-19313	159	8	under	under	ADP
ajst-19313	159	9	tensile	tensile	NOUN
ajst-19313	159	10	load	load	NOUN
ajst-19313	159	11	it	it	PRON
ajst-19313	159	12	can	can	AUX
ajst-19313	159	13	be	be	AUX
ajst-19313	159	14	seen	see	VERB
ajst-19313	159	15	from	from	ADP
ajst-19313	159	16	figure	figure	NOUN
ajst-19313	159	17	18	18	NUM
ajst-19313	159	18	that	that	SCONJ
ajst-19313	159	19	when	when	SCONJ
ajst-19313	159	20	the	the	DET
ajst-19313	159	21	drill	drill	NOUN
ajst-19313	159	22	pipe	pipe	NOUN
ajst-19313	159	23	joint	joint	NOUN
ajst-19313	159	24	is	be	AUX
ajst-19313	159	25	subjected	subject	VERB
ajst-19313	159	26	to	to	ADP
ajst-19313	159	27	axial	axial	ADJ
ajst-19313	159	28	compressive	compressive	ADJ
ajst-19313	159	29	load	load	NOUN
ajst-19313	159	30	,	,	PUNCT
ajst-19313	159	31	the	the	DET
ajst-19313	159	32	change	change	NOUN
ajst-19313	159	33	law	law	NOUN
ajst-19313	159	34	of	of	ADP
ajst-19313	159	35	sealing	seal	VERB
ajst-19313	159	36	index	index	NOUN
ajst-19313	159	37	and	and	CCONJ
ajst-19313	159	38	maximum	maximum	ADJ
ajst-19313	159	39	mises	mise	NOUN
ajst-19313	159	40	stress	stress	VERB
ajst-19313	159	41	is	be	AUX
ajst-19313	159	42	consistent	consistent	ADJ
ajst-19313	159	43	with	with	ADP
ajst-19313	159	44	the	the	DET
ajst-19313	159	45	axial	axial	ADJ
ajst-19313	159	46	tensile	tensile	NOUN
ajst-19313	159	47	working	work	VERB
ajst-19313	159	48	condition	condition	NOUN
ajst-19313	159	49	,	,	PUNCT
ajst-19313	159	50	which	which	PRON
ajst-19313	159	51	is	be	AUX
ajst-19313	159	52	greatly	greatly	ADV
ajst-19313	159	53	affected	affect	VERB
ajst-19313	159	54	by	by	ADP
ajst-19313	159	55	the	the	DET
ajst-19313	159	56	change	change	NOUN
ajst-19313	159	57	of	of	ADP
ajst-19313	159	58	external	external	ADJ
ajst-19313	159	59	thread	thread	NOUN
ajst-19313	159	60	pitch	pitch	NOUN
ajst-19313	159	61	.	.	PUNCT
ajst-19313	160	1	among	among	ADP
ajst-19313	160	2	them	they	PRON
ajst-19313	160	3	,	,	PUNCT
ajst-19313	160	4	the	the	DET
ajst-19313	160	5	sealing	sealing	NOUN
ajst-19313	160	6	performance	performance	NOUN
ajst-19313	160	7	of	of	ADP
ajst-19313	160	8	combination	combination	NOUN
ajst-19313	160	9	iv	iv	NUM
ajst-19313	160	10	is	be	AUX
ajst-19313	160	11	relatively	relatively	ADV
ajst-19313	160	12	poor	poor	ADJ
ajst-19313	160	13	,	,	PUNCT
ajst-19313	160	14	and	and	CCONJ
ajst-19313	160	15	when	when	SCONJ
ajst-19313	160	16	the	the	DET
ajst-19313	160	17	axial	axial	ADJ
ajst-19313	160	18	compressive	compressive	ADJ
ajst-19313	160	19	load	load	NOUN
ajst-19313	160	20	is	be	AUX
ajst-19313	160	21	less	less	ADJ
ajst-19313	160	22	than	than	ADP
ajst-19313	160	23	500kn	500kn	VERB
ajst-19313	160	24	,	,	PUNCT
ajst-19313	160	25	it	it	PRON
ajst-19313	160	26	can	can	AUX
ajst-19313	160	27	only	only	ADV
ajst-19313	160	28	seal	seal	VERB
ajst-19313	160	29	the	the	DET
ajst-19313	160	30	working	work	VERB
ajst-19313	160	31	condition	condition	NOUN
ajst-19313	160	32	that	that	SCONJ
ajst-19313	160	33	the	the	DET
ajst-19313	160	34	pressure	pressure	NOUN
ajst-19313	160	35	difference	difference	NOUN
ajst-19313	160	36	between	between	ADP
ajst-19313	160	37	the	the	DET
ajst-19313	160	38	inside	inside	NOUN
ajst-19313	160	39	and	and	CCONJ
ajst-19313	160	40	outside	outside	ADP
ajst-19313	160	41	of	of	ADP
ajst-19313	160	42	the	the	DET
ajst-19313	160	43	drill	drill	NOUN
ajst-19313	160	44	pipe	pipe	NOUN
ajst-19313	160	45	is	be	AUX
ajst-19313	160	46	less	less	ADJ
ajst-19313	160	47	than	than	ADP
ajst-19313	160	48	10mpa	10mpa	NOUN
ajst-19313	160	49	.	.	PUNCT
ajst-19313	161	1	this	this	PRON
ajst-19313	161	2	is	be	AUX
ajst-19313	161	3	due	due	ADJ
ajst-19313	161	4	to	to	ADP
ajst-19313	161	5	the	the	DET
ajst-19313	161	6	change	change	NOUN
ajst-19313	161	7	of	of	ADP
ajst-19313	161	8	the	the	DET
ajst-19313	161	9	limit	limit	NOUN
ajst-19313	161	10	deviation	deviation	NOUN
ajst-19313	161	11	of	of	ADP
ajst-19313	161	12	the	the	DET
ajst-19313	161	13	external	external	ADJ
ajst-19313	161	14	thread	thread	NOUN
ajst-19313	161	15	pitch	pitch	NOUN
ajst-19313	161	16	,	,	PUNCT
ajst-19313	161	17	which	which	PRON
ajst-19313	161	18	will	will	AUX
ajst-19313	161	19	lead	lead	VERB
ajst-19313	161	20	to	to	ADP
ajst-19313	161	21	a	a	DET
ajst-19313	161	22	large	large	ADJ
ajst-19313	161	23	interference	interference	NOUN
ajst-19313	161	24	or	or	CCONJ
ajst-19313	161	25	void	void	VERB
ajst-19313	161	26	in	in	ADP
ajst-19313	161	27	the	the	DET
ajst-19313	161	28	contact	contact	NOUN
ajst-19313	161	29	surface	surface	NOUN
ajst-19313	161	30	of	of	ADP
ajst-19313	161	31	the	the	DET
ajst-19313	161	32	first	first	ADJ
ajst-19313	161	33	few	few	ADJ
ajst-19313	161	34	teeth	tooth	NOUN
ajst-19313	161	35	thread	thread	NOUN
ajst-19313	161	36	meshing	meshing	NOUN
ajst-19313	161	37	near	near	ADP
ajst-19313	161	38	the	the	DET
ajst-19313	161	39	shoulder	shoulder	NOUN
ajst-19313	161	40	surface	surface	NOUN
ajst-19313	161	41	of	of	ADP
ajst-19313	161	42	the	the	DET
ajst-19313	161	43	buckle	buckle	NOUN
ajst-19313	161	44	,	,	PUNCT
ajst-19313	161	45	which	which	PRON
ajst-19313	161	46	has	have	VERB
ajst-19313	161	47	a	a	DET
ajst-19313	161	48	greater	great	ADJ
ajst-19313	161	49	impact	impact	NOUN
ajst-19313	161	50	on	on	ADP
ajst-19313	161	51	the	the	DET
ajst-19313	161	52	contact	contact	NOUN
ajst-19313	161	53	force	force	NOUN
ajst-19313	161	54	of	of	ADP
ajst-19313	161	55	the	the	DET
ajst-19313	161	56	shoulder	shoulder	NOUN
ajst-19313	161	57	surface	surface	NOUN
ajst-19313	161	58	when	when	SCONJ
ajst-19313	161	59	buckling	buckle	VERB
ajst-19313	161	60	.	.	PUNCT
ajst-19313	162	1	the	the	DET
ajst-19313	162	2	change	change	NOUN
ajst-19313	162	3	of	of	ADP
ajst-19313	162	4	internal	internal	ADJ
ajst-19313	162	5	thread	thread	NOUN
ajst-19313	162	6	pitch	pitch	NOUN
ajst-19313	162	7	deviation	deviation	NOUN
ajst-19313	162	8	makes	make	VERB
ajst-19313	162	9	the	the	DET
ajst-19313	162	10	last	last	ADJ
ajst-19313	162	11	few	few	ADJ
ajst-19313	162	12	teeth	tooth	NOUN
ajst-19313	162	13	away	away	ADV
ajst-19313	162	14	from	from	ADP
ajst-19313	162	15	the	the	DET
ajst-19313	162	16	shoulder	shoulder	NOUN
ajst-19313	162	17	appear	appear	VERB
ajst-19313	162	18	a	a	DET
ajst-19313	162	19	large	large	ADJ
ajst-19313	162	20	interference	interference	NOUN
ajst-19313	162	21	or	or	CCONJ
ajst-19313	162	22	gap	gap	NOUN
ajst-19313	162	23	,	,	PUNCT
ajst-19313	162	24	so	so	CCONJ
ajst-19313	162	25	the	the	DET
ajst-19313	162	26	contact	contact	NOUN
ajst-19313	162	27	force	force	NOUN
ajst-19313	162	28	at	at	ADP
ajst-19313	162	29	the	the	DET
ajst-19313	162	30	shoulder	shoulder	NOUN
ajst-19313	162	31	surface	surface	NOUN
ajst-19313	162	32	has	have	VERB
ajst-19313	162	33	little	little	ADJ
ajst-19313	162	34	effect	effect	NOUN
ajst-19313	162	35	,	,	PUNCT
ajst-19313	162	36	so	so	CCONJ
ajst-19313	162	37	it	it	PRON
ajst-19313	162	38	has	have	VERB
ajst-19313	162	39	little	little	ADJ
ajst-19313	162	40	effect	effect	NOUN
ajst-19313	162	41	on	on	ADP
ajst-19313	162	42	the	the	DET
ajst-19313	162	43	tightness	tightness	NOUN
ajst-19313	162	44	of	of	ADP
ajst-19313	162	45	the	the	DET
ajst-19313	162	46	drill	drill	NOUN
ajst-19313	162	47	pipe	pipe	NOUN
ajst-19313	162	48	joint	joint	NOUN
ajst-19313	162	49	.	.	PUNCT
ajst-19313	163	1	figure	figure	NOUN
ajst-19313	163	2	18	18	NUM
ajst-19313	163	3	.	.	PUNCT
ajst-19313	164	1	sealing	seal	VERB
ajst-19313	164	2	index	index	NOUN
ajst-19313	164	3	and	and	CCONJ
ajst-19313	164	4	maximum	maximum	ADJ
ajst-19313	164	5	mises	mises	PROPN
ajst-19313	164	6	stress	stress	NOUN
ajst-19313	164	7	curve	curve	NOUN
ajst-19313	164	8	under	under	ADP
ajst-19313	164	9	compressive	compressive	ADJ
ajst-19313	164	10	load	load	NOUN
ajst-19313	164	11	6	6	NUM
ajst-19313	164	12	.	.	PUNCT
ajst-19313	165	1	conclusions	conclusion	NOUN
ajst-19313	165	2	a	a	DET
ajst-19313	165	3	)	)	PUNCT
ajst-19313	165	4	taper	taper	NOUN
ajst-19313	165	5	limit	limit	NOUN
ajst-19313	165	6	deviation	deviation	NOUN
ajst-19313	165	7	will	will	AUX
ajst-19313	165	8	make	make	VERB
ajst-19313	165	9	the	the	DET
ajst-19313	165	10	sealing	sealing	NOUN
ajst-19313	165	11	of	of	ADP
ajst-19313	165	12	drill	drill	NOUN
ajst-19313	165	13	pipe	pipe	NOUN
ajst-19313	165	14	joints	joint	NOUN
ajst-19313	165	15	under	under	ADP
ajst-19313	165	16	the	the	DET
ajst-19313	165	17	action	action	NOUN
ajst-19313	165	18	of	of	ADP
ajst-19313	165	19	upward	upward	ADJ
ajst-19313	165	20	make	make	VERB
ajst-19313	165	21	-	-	PUNCT
ajst-19313	165	22	up	up	ADP
ajst-19313	165	23	torque	torque	NOUN
ajst-19313	165	24	and	and	CCONJ
ajst-19313	165	25	axial	axial	ADJ
ajst-19313	165	26	load	load	NOUN
ajst-19313	165	27	decrease	decrease	NOUN
ajst-19313	165	28	,	,	PUNCT
ajst-19313	165	29	especially	especially	ADV
ajst-19313	165	30	the	the	DET
ajst-19313	165	31	taper	taper	NOUN
ajst-19313	165	32	limit	limit	NOUN
ajst-19313	165	33	deviation	deviation	NOUN
ajst-19313	165	34	of	of	ADP
ajst-19313	165	35	internal	internal	ADJ
ajst-19313	165	36	threads	thread	NOUN
ajst-19313	165	37	has	have	VERB
ajst-19313	165	38	a	a	DET
ajst-19313	165	39	greater	great	ADJ
ajst-19313	165	40	impact	impact	NOUN
ajst-19313	165	41	on	on	ADP
ajst-19313	165	42	the	the	DET
ajst-19313	165	43	sealing	sealing	NOUN
ajst-19313	165	44	of	of	ADP
ajst-19313	165	45	the	the	DET
ajst-19313	165	46	drill	drill	NOUN
ajst-19313	165	47	pipe	pipe	NOUN
ajst-19313	165	48	joints	joint	NOUN
ajst-19313	165	49	,	,	PUNCT
ajst-19313	165	50	and	and	CCONJ
ajst-19313	165	51	the	the	DET
ajst-19313	165	52	sealing	sealing	NOUN
ajst-19313	165	53	performance	performance	NOUN
ajst-19313	165	54	decreases	decrease	VERB
ajst-19313	165	55	significantly	significantly	ADV
ajst-19313	165	56	or	or	CCONJ
ajst-19313	165	57	even	even	ADV
ajst-19313	165	58	does	do	AUX
ajst-19313	165	59	not	not	PART
ajst-19313	165	60	have	have	VERB
ajst-19313	165	61	the	the	DET
ajst-19313	165	62	sealing	sealing	NOUN
ajst-19313	165	63	effect	effect	NOUN
ajst-19313	165	64	.	.	PUNCT
ajst-19313	166	1	b	b	X
ajst-19313	166	2	)	)	PUNCT
ajst-19313	166	3	the	the	DET
ajst-19313	166	4	limit	limit	NOUN
ajst-19313	166	5	deviation	deviation	NOUN
ajst-19313	166	6	of	of	ADP
ajst-19313	166	7	the	the	DET
ajst-19313	166	8	tooth	tooth	NOUN
ajst-19313	166	9	side	side	NOUN
ajst-19313	166	10	angle	angle	NOUN
ajst-19313	166	11	has	have	VERB
ajst-19313	166	12	little	little	ADJ
ajst-19313	166	13	effect	effect	NOUN
ajst-19313	166	14	on	on	ADP
ajst-19313	166	15	the	the	DET
ajst-19313	166	16	sealing	sealing	NOUN
ajst-19313	166	17	of	of	ADP
ajst-19313	166	18	drill	drill	NOUN
ajst-19313	166	19	pipe	pipe	NOUN
ajst-19313	166	20	joints	joint	NOUN
ajst-19313	166	21	under	under	ADP
ajst-19313	166	22	the	the	DET
ajst-19313	166	23	action	action	NOUN
ajst-19313	166	24	of	of	ADP
ajst-19313	166	25	upward	upward	ADJ
ajst-19313	166	26	make	make	VERB
ajst-19313	166	27	-	-	PUNCT
ajst-19313	166	28	up	up	ADP
ajst-19313	166	29	torque	torque	NOUN
ajst-19313	166	30	and	and	CCONJ
ajst-19313	166	31	axial	axial	ADJ
ajst-19313	166	32	load	load	NOUN
ajst-19313	166	33	,	,	PUNCT
ajst-19313	166	34	but	but	CCONJ
ajst-19313	166	35	when	when	SCONJ
ajst-19313	166	36	the	the	DET
ajst-19313	166	37	limit	limit	NOUN
ajst-19313	166	38	deviation	deviation	NOUN
ajst-19313	166	39	of	of	ADP
ajst-19313	166	40	the	the	DET
ajst-19313	166	41	tooth	tooth	NOUN
ajst-19313	166	42	side	side	NOUN
ajst-19313	166	43	angle	angle	NOUN
ajst-19313	166	44	of	of	ADP
ajst-19313	166	45	internal	internal	ADJ
ajst-19313	166	46	and	and	CCONJ
ajst-19313	166	47	external	external	ADJ
ajst-19313	166	48	threads	thread	NOUN
ajst-19313	166	49	varies	vary	VERB
ajst-19313	166	50	inconsistently	inconsistently	ADV
ajst-19313	166	51	,	,	PUNCT
ajst-19313	166	52	the	the	DET
ajst-19313	166	53	maximum	maximum	ADJ
ajst-19313	166	54	mises	mises	PROPN
ajst-19313	166	55	stress	stress	NOUN
ajst-19313	166	56	of	of	ADP
ajst-19313	166	57	the	the	DET
ajst-19313	166	58	drill	drill	NOUN
ajst-19313	166	59	pipe	pipe	NOUN
ajst-19313	166	60	joints	joint	NOUN
ajst-19313	166	61	is	be	AUX
ajst-19313	166	62	always	always	ADV
ajst-19313	166	63	at	at	ADP
ajst-19313	166	64	a	a	DET
ajst-19313	166	65	high	high	ADJ
ajst-19313	166	66	value	value	NOUN
ajst-19313	166	67	close	close	ADJ
ajst-19313	166	68	to	to	ADP
ajst-19313	166	69	or	or	CCONJ
ajst-19313	166	70	slightly	slightly	ADV
ajst-19313	166	71	exceeding	exceed	VERB
ajst-19313	166	72	the	the	DET
ajst-19313	166	73	yield	yield	NOUN
ajst-19313	166	74	strength	strength	NOUN
ajst-19313	166	75	of	of	ADP
ajst-19313	166	76	the	the	DET
ajst-19313	166	77	material	material	NOUN
ajst-19313	166	78	,	,	PUNCT
ajst-19313	166	79	and	and	CCONJ
ajst-19313	166	80	plastic	plastic	ADJ
ajst-19313	166	81	deformation	deformation	NOUN
ajst-19313	166	82	is	be	AUX
ajst-19313	166	83	easy	easy	ADJ
ajst-19313	166	84	to	to	PART
ajst-19313	166	85	occur	occur	VERB
ajst-19313	166	86	in	in	ADP
ajst-19313	166	87	the	the	DET
ajst-19313	166	88	local	local	ADJ
ajst-19313	166	89	area	area	NOUN
ajst-19313	166	90	.	.	PUNCT
ajst-19313	167	1	c	c	X
ajst-19313	167	2	)	)	PUNCT
ajst-19313	167	3	the	the	DET
ajst-19313	167	4	presence	presence	NOUN
ajst-19313	167	5	of	of	ADP
ajst-19313	167	6	pitch	pitch	NOUN
ajst-19313	167	7	limit	limit	NOUN
ajst-19313	167	8	deviations	deviation	NOUN
ajst-19313	167	9	significantly	significantly	ADV
ajst-19313	167	10	affects	affect	VERB
ajst-19313	167	11	the	the	DET
ajst-19313	167	12	sealing	sealing	NOUN
ajst-19313	167	13	performance	performance	NOUN
ajst-19313	167	14	and	and	CCONJ
ajst-19313	167	15	stress	stress	NOUN
ajst-19313	167	16	distribution	distribution	NOUN
ajst-19313	167	17	of	of	ADP
ajst-19313	167	18	drill	drill	NOUN
ajst-19313	167	19	pipe	pipe	NOUN
ajst-19313	167	20	joints	joint	NOUN
ajst-19313	167	21	.	.	PUNCT
ajst-19313	168	1	among	among	ADP
ajst-19313	168	2	them	they	PRON
ajst-19313	168	3	,	,	PUNCT
ajst-19313	168	4	the	the	DET
ajst-19313	168	5	change	change	NOUN
ajst-19313	168	6	of	of	ADP
ajst-19313	168	7	the	the	DET
ajst-19313	168	8	outer	outer	ADJ
ajst-19313	168	9	thread	thread	NOUN
ajst-19313	168	10	pitch	pitch	NOUN
ajst-19313	168	11	deviation	deviation	NOUN
ajst-19313	168	12	has	have	VERB
ajst-19313	168	13	the	the	DET
ajst-19313	168	14	greatest	great	ADJ
ajst-19313	168	15	influence	influence	NOUN
ajst-19313	168	16	on	on	ADP
ajst-19313	168	17	the	the	DET
ajst-19313	168	18	sealing	sealing	NOUN
ajst-19313	168	19	performance	performance	NOUN
ajst-19313	168	20	of	of	ADP
ajst-19313	168	21	the	the	DET
ajst-19313	168	22	joint	joint	NOUN
ajst-19313	168	23	.	.	PUNCT
ajst-19313	169	1	the	the	DET
ajst-19313	169	2	sealing	sealing	NOUN
ajst-19313	169	3	performance	performance	NOUN
ajst-19313	169	4	is	be	AUX
ajst-19313	169	5	significantly	significantly	ADV
ajst-19313	169	6	increased	increase	VERB
ajst-19313	169	7	or	or	CCONJ
ajst-19313	169	8	decreased	decrease	VERB
ajst-19313	169	9	under	under	ADP
ajst-19313	169	10	the	the	DET
ajst-19313	169	11	action	action	NOUN
ajst-19313	169	12	of	of	ADP
ajst-19313	169	13	upward	upward	ADJ
ajst-19313	169	14	make	make	VERB
ajst-19313	169	15	-	-	PUNCT
ajst-19313	169	16	up	up	ADP
ajst-19313	169	17	torque	torque	NOUN
ajst-19313	169	18	and	and	CCONJ
ajst-19313	169	19	axial	axial	ADJ
ajst-19313	169	20	load	load	NOUN
ajst-19313	169	21	,	,	PUNCT
ajst-19313	169	22	and	and	CCONJ
ajst-19313	169	23	the	the	DET
ajst-19313	169	24	maximum	maximum	ADJ
ajst-19313	169	25	mises	mises	PROPN
ajst-19313	169	26	stress	stress	VERB
ajst-19313	169	27	values	value	NOUN
ajst-19313	169	28	of	of	ADP
ajst-19313	169	29	the	the	DET
ajst-19313	169	30	joints	joint	NOUN
ajst-19313	169	31	slightly	slightly	ADV
ajst-19313	169	32	exceed	exceed	VERB
ajst-19313	169	33	the	the	DET
ajst-19313	169	34	yield	yield	NOUN
ajst-19313	169	35	strength	strength	NOUN
ajst-19313	169	36	of	of	ADP
ajst-19313	169	37	the	the	DET
ajst-19313	169	38	material	material	NOUN
ajst-19313	169	39	,	,	PUNCT
ajst-19313	169	40	which	which	PRON
ajst-19313	169	41	is	be	AUX
ajst-19313	169	42	prone	prone	ADJ
ajst-19313	169	43	to	to	ADP
ajst-19313	169	44	unfavorable	unfavorable	ADJ
ajst-19313	169	45	phenomena	phenomenon	NOUN
ajst-19313	169	46	such	such	ADJ
ajst-19313	169	47	as	as	ADP
ajst-19313	169	48	adhesion	adhesion	NOUN
ajst-19313	169	49	and	and	CCONJ
ajst-19313	169	50	damage	damage	NOUN
ajst-19313	169	51	of	of	ADP
ajst-19313	169	52	the	the	DET
ajst-19313	169	53	sealing	sealing	NOUN
ajst-19313	169	54	surface	surface	NOUN
ajst-19313	169	55	,	,	PUNCT
ajst-19313	169	56	thus	thus	ADV
ajst-19313	169	57	leading	lead	VERB
ajst-19313	169	58	to	to	ADP
ajst-19313	169	59	seal	seal	VERB
ajst-19313	169	60	failure	failure	NOUN
ajst-19313	169	61	.	.	PUNCT
ajst-19313	170	1	d	d	X
ajst-19313	170	2	)	)	PUNCT
ajst-19313	170	3	among	among	ADP
ajst-19313	170	4	the	the	DET
ajst-19313	170	5	limit	limit	NOUN
ajst-19313	170	6	deviations	deviation	NOUN
ajst-19313	170	7	of	of	ADP
ajst-19313	170	8	several	several	ADJ
ajst-19313	170	9	thread	thread	NOUN
ajst-19313	170	10	parameters	parameter	NOUN
ajst-19313	170	11	,	,	PUNCT
ajst-19313	170	12	the	the	DET
ajst-19313	170	13	pitch	pitch	NOUN
ajst-19313	170	14	limit	limit	NOUN
ajst-19313	170	15	deviation	deviation	NOUN
ajst-19313	170	16	has	have	VERB
ajst-19313	170	17	the	the	DET
ajst-19313	170	18	greatest	great	ADJ
ajst-19313	170	19	influence	influence	NOUN
ajst-19313	170	20	on	on	ADP
ajst-19313	170	21	the	the	DET
ajst-19313	170	22	sealing	sealing	NOUN
ajst-19313	170	23	performance	performance	NOUN
ajst-19313	170	24	of	of	ADP
ajst-19313	170	25	the	the	DET
ajst-19313	170	26	drill	drill	NOUN
ajst-19313	170	27	pipe	pipe	NOUN
ajst-19313	170	28	joints	joint	NOUN
ajst-19313	170	29	,	,	PUNCT
ajst-19313	170	30	followed	follow	VERB
ajst-19313	170	31	by	by	ADP
ajst-19313	170	32	the	the	DET
ajst-19313	170	33	taper	taper	NOUN
ajst-19313	170	34	limit	limit	NOUN
ajst-19313	170	35	deviation	deviation	NOUN
ajst-19313	170	36	,	,	PUNCT
ajst-19313	170	37	and	and	CCONJ
ajst-19313	170	38	the	the	DET
ajst-19313	170	39	tooth	tooth	NOUN
ajst-19313	170	40	side	side	NOUN
ajst-19313	170	41	angle	angle	NOUN
ajst-19313	170	42	limit	limit	NOUN
ajst-19313	170	43	deviation	deviation	NOUN
ajst-19313	170	44	324	324	NUM
ajst-19313	170	45	has	have	VERB
ajst-19313	170	46	the	the	DET
ajst-19313	170	47	least	least	ADJ
ajst-19313	170	48	influence	influence	NOUN
ajst-19313	170	49	.	.	PUNCT
ajst-19313	171	1	the	the	DET
ajst-19313	171	2	existence	existence	NOUN
ajst-19313	171	3	of	of	ADP
ajst-19313	171	4	the	the	DET
ajst-19313	171	5	taper	taper	NOUN
ajst-19313	171	6	limit	limit	NOUN
ajst-19313	171	7	deviation	deviation	NOUN
ajst-19313	171	8	makes	make	VERB
ajst-19313	171	9	the	the	DET
ajst-19313	171	10	joint	joint	ADJ
ajst-19313	171	11	safe	safe	ADJ
ajst-19313	171	12	only	only	ADV
ajst-19313	171	13	when	when	SCONJ
ajst-19313	171	14	the	the	DET
ajst-19313	171	15	upper	upper	ADJ
ajst-19313	171	16	make	make	VERB
ajst-19313	171	17	-	-	PUNCT
ajst-19313	171	18	up	up	ADP
ajst-19313	171	19	torque	torque	NOUN
ajst-19313	171	20	is	be	AUX
ajst-19313	171	21	applied	apply	VERB
ajst-19313	171	22	,	,	PUNCT
ajst-19313	171	23	but	but	CCONJ
ajst-19313	171	24	under	under	ADP
ajst-19313	171	25	the	the	DET
ajst-19313	171	26	tensile	tensile	NOUN
ajst-19313	171	27	load	load	NOUN
ajst-19313	171	28	,	,	PUNCT
ajst-19313	171	29	the	the	DET
ajst-19313	171	30	maximum	maximum	ADJ
ajst-19313	171	31	mises	mises	PROPN
ajst-19313	171	32	stress	stress	NOUN
ajst-19313	171	33	of	of	ADP
ajst-19313	171	34	the	the	DET
ajst-19313	171	35	joint	joint	NOUN
ajst-19313	171	36	gradually	gradually	ADV
ajst-19313	171	37	approaches	approach	VERB
ajst-19313	171	38	the	the	DET
ajst-19313	171	39	yield	yield	NOUN
ajst-19313	171	40	strength	strength	NOUN
ajst-19313	171	41	of	of	ADP
ajst-19313	171	42	the	the	DET
ajst-19313	171	43	material	material	NOUN
ajst-19313	171	44	.	.	PUNCT
ajst-19313	172	1	the	the	DET
ajst-19313	172	2	lateral	lateral	ADJ
ajst-19313	172	3	angle	angle	NOUN
ajst-19313	172	4	limit	limit	NOUN
ajst-19313	172	5	deviation	deviation	NOUN
ajst-19313	172	6	and	and	CCONJ
ajst-19313	172	7	pitch	pitch	NOUN
ajst-19313	172	8	limit	limit	NOUN
ajst-19313	172	9	deviation	deviation	NOUN
ajst-19313	172	10	lead	lead	NOUN
ajst-19313	172	11	to	to	ADP
ajst-19313	172	12	localized	localized	ADJ
ajst-19313	172	13	yield	yield	NOUN
ajst-19313	172	14	failure	failure	NOUN
ajst-19313	172	15	of	of	ADP
ajst-19313	172	16	the	the	DET
ajst-19313	172	17	drill	drill	NOUN
ajst-19313	172	18	pipe	pipe	NOUN
ajst-19313	172	19	joints	joint	NOUN
ajst-19313	172	20	in	in	ADP
ajst-19313	172	21	both	both	CCONJ
ajst-19313	172	22	the	the	DET
ajst-19313	172	23	top	top	ADV
ajst-19313	172	24	-	-	PUNCT
ajst-19313	172	25	buckled	buckle	VERB
ajst-19313	172	26	state	state	NOUN
ajst-19313	172	27	and	and	CCONJ
ajst-19313	172	28	under	under	ADP
ajst-19313	172	29	axial	axial	ADJ
ajst-19313	172	30	load	load	NOUN
ajst-19313	172	31	,	,	PUNCT
ajst-19313	172	32	which	which	PRON
ajst-19313	172	33	affects	affect	VERB
ajst-19313	172	34	the	the	DET
ajst-19313	172	35	safety	safety	NOUN
ajst-19313	172	36	of	of	ADP
ajst-19313	172	37	the	the	DET
ajst-19313	172	38	structure	structure	NOUN
ajst-19313	172	39	.	.	PUNCT
ajst-19313	173	1	references	reference	NOUN
ajst-19313	173	2	[	[	X
ajst-19313	173	3	1	1	NUM
ajst-19313	173	4	]	]	X
ajst-19313	173	5	di	di	X
ajst-19313	173	6	q	q	PROPN
ajst-19313	173	7	f	f	PROPN
ajst-19313	173	8	,	,	PUNCT
ajst-19313	173	9	wang	wang	PROPN
ajst-19313	173	10	n	n	PROPN
ajst-19313	173	11	,	,	PUNCT
ajst-19313	173	12	chen	chen	PROPN
ajst-19313	173	13	f	f	PROPN
ajst-19313	173	14	,	,	PUNCT
ajst-19313	173	15	et	et	PROPN
ajst-19313	173	16	al	al	PROPN
ajst-19313	173	17	.	.	PUNCT
ajst-19313	173	18	research	research	NOUN
ajst-19313	173	19	progress	progress	NOUN
ajst-19313	173	20	on	on	ADP
ajst-19313	173	21	the	the	DET
ajst-19313	173	22	mechanical	mechanical	ADJ
ajst-19313	173	23	properties	property	NOUN
ajst-19313	173	24	of	of	ADP
ajst-19313	173	25	threaded	thread	VERB
ajst-19313	173	26	connections	connection	NOUN
ajst-19313	173	27	for	for	ADP
ajst-19313	173	28	oil	oil	NOUN
ajst-19313	173	29	country	country	NOUN
ajst-19313	173	30	tubular	tubular	ADJ
ajst-19313	173	31	goods[j	goods[j	PROPN
ajst-19313	173	32	]	]	PUNCT
ajst-19313	173	33	.	.	PUNCT
ajst-19313	174	1	journal	journal	PROPN
ajst-19313	174	2	of	of	ADP
ajst-19313	174	3	shanghai	shanghai	PROPN
ajst-19313	174	4	university	university	PROPN
ajst-19313	174	5	(	(	PUNCT
ajst-19313	174	6	natural	natural	ADJ
ajst-19313	174	7	science	science	NOUN
ajst-19313	174	8	edition	edition	NOUN
ajst-19313	174	9	)	)	PUNCT
ajst-19313	174	10	,	,	PUNCT
ajst-19313	174	11	2020	2020	NUM
ajst-19313	174	12	,	,	PUNCT
ajst-19313	174	13	26(02):163	26(02):163	NUM
ajst-19313	174	14	-	-	SYM
ajst-19313	174	15	180	180	NUM
ajst-19313	174	16	.	.	PUNCT
ajst-19313	175	1	[	[	X
ajst-19313	175	2	2	2	X
ajst-19313	175	3	]	]	PUNCT
ajst-19313	175	4	ren	ren	PROPN
ajst-19313	175	5	h.	h.	PROPN
ajst-19313	175	6	analyses	analysis	NOUN
ajst-19313	175	7	and	and	CCONJ
ajst-19313	175	8	structure	structure	NOUN
ajst-19313	175	9	improvement	improvement	NOUN
ajst-19313	175	10	research	research	NOUN
ajst-19313	175	11	of	of	ADP
ajst-19313	175	12	api	api	NOUN
ajst-19313	175	13	oil	oil	NOUN
ajst-19313	175	14	tool	tool	NOUN
ajst-19313	175	15	joint	joint	VERB
ajst-19313	175	16	stress[d	stress[d	ADV
ajst-19313	175	17	]	]	PUNCT
ajst-19313	175	18	.	.	PUNCT
ajst-19313	176	1	south	south	PROPN
ajst-19313	176	2	china	china	PROPN
ajst-19313	176	3	university	university	PROPN
ajst-19313	176	4	of	of	ADP
ajst-19313	176	5	technology	technology	NOUN
ajst-19313	176	6	,	,	PUNCT
ajst-19313	176	7	2011	2011	NUM
ajst-19313	176	8	.	.	PUNCT
ajst-19313	177	1	[	[	X
ajst-19313	177	2	3	3	X
ajst-19313	177	3	]	]	X
ajst-19313	177	4	zamani	zamani	PROPN
ajst-19313	177	5	s	s	PROPN
ajst-19313	177	6	m	m	NOUN
ajst-19313	177	7	,	,	PUNCT
ajst-19313	177	8	hassanzadeh	hassanzadeh	NOUN
ajst-19313	177	9	-	-	PUNCT
ajst-19313	177	10	tabrizi	tabrizi	NOUN
ajst-19313	177	11	s	s	NOUN
ajst-19313	177	12	a	a	DET
ajst-19313	177	13	,	,	PUNCT
ajst-19313	177	14	sharifi	sharifi	NOUN
ajst-19313	177	15	h.	h.	NOUN
ajst-19313	177	16	failure	failure	NOUN
ajst-19313	177	17	analysis	analysis	NOUN
ajst-19313	177	18	of	of	ADP
ajst-19313	177	19	drill	drill	NOUN
ajst-19313	177	20	pipe	pipe	NOUN
ajst-19313	177	21	:	:	PUNCT
ajst-19313	177	22	a	a	DET
ajst-19313	177	23	review	review	NOUN
ajst-19313	178	1	[	[	X
ajst-19313	178	2	j	j	X
ajst-19313	178	3	]	]	X
ajst-19313	178	4	.	.	PUNCT
ajst-19313	179	1	engineering	engineering	NOUN
ajst-19313	179	2	failure	failure	NOUN
ajst-19313	179	3	analysis	analysis	NOUN
ajst-19313	179	4	,	,	PUNCT
ajst-19313	179	5	2016	2016	NUM
ajst-19313	179	6	,	,	PUNCT
ajst-19313	179	7	59	59	NUM
ajst-19313	179	8	:	:	SYM
ajst-19313	179	9	605	605	NUM
ajst-19313	179	10	-	-	SYM
ajst-19313	179	11	623	623	NUM
ajst-19313	179	12	.	.	PUNCT
ajst-19313	180	1	[	[	X
ajst-19313	180	2	4	4	NUM
ajst-19313	180	3	]	]	PUNCT
ajst-19313	180	4	yu	yu	PROPN
ajst-19313	180	5	s	s	PROPN
ajst-19313	180	6	j	j	PROPN
ajst-19313	180	7	,	,	PUNCT
ajst-19313	180	8	yuan	yuan	PROPN
ajst-19313	180	9	p	p	PROPN
ajst-19313	180	10	b	b	PROPN
ajst-19313	180	11	,	,	PUNCT
ajst-19313	180	12	deng	deng	PROPN
ajst-19313	180	13	k	k	PROPN
ajst-19313	180	14	h	h	PROPN
ajst-19313	180	15	;	;	PUNCT
ajst-19313	180	16	et	et	PROPN
ajst-19313	180	17	al	al	PROPN
ajst-19313	180	18	.	.	PROPN
ajst-19313	180	19	experimental	experimental	PROPN
ajst-19313	180	20	and	and	CCONJ
ajst-19313	180	21	numerical	numerical	ADJ
ajst-19313	180	22	study	study	NOUN
ajst-19313	180	23	on	on	ADP
ajst-19313	180	24	the	the	DET
ajst-19313	180	25	longitudinal	longitudinal	ADJ
ajst-19313	180	26	-	-	PUNCT
ajst-19313	180	27	crack	crack	NOUN
ajst-19313	180	28	failure	failure	NOUN
ajst-19313	180	29	of	of	ADP
ajst-19313	180	30	double	double	ADJ
ajst-19313	180	31	-	-	PUNCT
ajst-19313	180	32	shoulder	shoulder	NOUN
ajst-19313	180	33	tool	tool	NOUN
ajst-19313	180	34	joint	joint	NOUN
ajst-19313	181	1	[	[	X
ajst-19313	181	2	j	j	X
ajst-19313	181	3	]	]	X
ajst-19313	181	4	.	.	PUNCT
ajst-19313	182	1	engineering	engineering	NOUN
ajst-19313	182	2	failure	failure	NOUN
ajst-19313	182	3	analysis	analysis	NOUN
ajst-19313	182	4	,	,	PUNCT
ajst-19313	182	5	2018	2018	NUM
ajst-19313	182	6	,	,	PUNCT
ajst-19313	182	7	vol.91	vol.91	NOUN
ajst-19313	182	8	:	:	PUNCT
ajst-19313	182	9	1	1	NUM
ajst-19313	182	10	-	-	SYM
ajst-19313	182	11	11	11	NUM
ajst-19313	182	12	.	.	PUNCT
ajst-19313	183	1	[	[	X
ajst-19313	183	2	5	5	NUM
ajst-19313	183	3	]	]	X
ajst-19313	183	4	a.r	a.r	PROPN
ajst-19313	183	5	.	.	PROPN
ajst-19313	183	6	s	s	PART
ajst-19313	183	7	,	,	PUNCT
ajst-19313	183	8	s.m.h	s.m.h	ADJ
ajst-19313	183	9	.	.	PUNCT
ajst-19313	184	1	s.	s.	PROPN
ajst-19313	184	2	contact	contact	PROPN
ajst-19313	184	3	stress	stress	NOUN
ajst-19313	184	4	analysis	analysis	NOUN
ajst-19313	184	5	and	and	CCONJ
ajst-19313	184	6	calculation	calculation	NOUN
ajst-19313	184	7	of	of	ADP
ajst-19313	184	8	stress	stress	ADJ
ajst-19313	184	9	concentration	concentration	NOUN
ajst-19313	184	10	factors	factor	NOUN
ajst-19313	184	11	at	at	ADP
ajst-19313	184	12	the	the	DET
ajst-19313	184	13	tool	tool	NOUN
ajst-19313	184	14	joint	joint	NOUN
ajst-19313	184	15	of	of	ADP
ajst-19313	184	16	a	a	DET
ajst-19313	184	17	drill	drill	NOUN
ajst-19313	184	18	pipe[j	pipe[j	NOUN
ajst-19313	184	19	]	]	PUNCT
ajst-19313	184	20	.	.	PUNCT
ajst-19313	185	1	materials	material	NOUN
ajst-19313	185	2	and	and	CCONJ
ajst-19313	185	3	design,2009	design,2009	PROPN
ajst-19313	185	4	,	,	PUNCT
ajst-19313	185	5	30(9	30(9	NUM
ajst-19313	185	6	):	):	PUNCT
ajst-19313	185	7	3615	3615	NUM
ajst-19313	185	8	-	-	SYM
ajst-19313	185	9	3621	3621	NUM
ajst-19313	185	10	.	.	PUNCT
ajst-19313	186	1	[	[	X
ajst-19313	186	2	6	6	NUM
ajst-19313	186	3	]	]	X
ajst-19313	186	4	chen	chen	PROPN
ajst-19313	186	5	f	f	PROPN
ajst-19313	186	6	,	,	PUNCT
ajst-19313	186	7	huo	huo	PROPN
ajst-19313	186	8	y	y	PROPN
ajst-19313	186	9	h	h	PROPN
ajst-19313	186	10	,	,	PUNCT
ajst-19313	186	11	zhao	zhao	PROPN
ajst-19313	186	12	h	h	PROPN
ajst-19313	186	13	y	y	PROPN
ajst-19313	186	14	,	,	PUNCT
ajst-19313	186	15	et	et	PROPN
ajst-19313	186	16	al	al	PROPN
ajst-19313	186	17	.	.	PUNCT
ajst-19313	187	1	the	the	DET
ajst-19313	187	2	effect	effect	NOUN
ajst-19313	187	3	of	of	ADP
ajst-19313	187	4	axial	axial	ADJ
ajst-19313	187	5	tension	tension	NOUN
ajst-19313	187	6	and	and	CCONJ
ajst-19313	187	7	borehole	borehole	NOUN
ajst-19313	187	8	curvature	curvature	NOUN
ajst-19313	187	9	on	on	ADP
ajst-19313	187	10	torsion	torsion	NOUN
ajst-19313	187	11	limit	limit	NOUN
ajst-19313	187	12	of	of	ADP
ajst-19313	187	13	drill	drill	NOUN
ajst-19313	187	14	string	string	NOUN
ajst-19313	187	15	threaded	thread	VERB
ajst-19313	187	16	connections.[j	connections.[j	PROPN
ajst-19313	187	17	]	]	PUNCT
ajst-19313	187	18	.	.	PUNCT
ajst-19313	188	1	engineering	engineering	NOUN
ajst-19313	188	2	failure	failure	NOUN
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ajst-19313	188	4	,	,	PUNCT
ajst-19313	188	5	13506307	13506307	NUM
ajst-19313	188	6	.	.	PUNCT
ajst-19313	189	1	[	[	X
ajst-19313	189	2	7	7	X
ajst-19313	189	3	]	]	X
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ajst-19313	189	5	f	f	PROPN
ajst-19313	189	6	,	,	PUNCT
ajst-19313	189	7	di	di	INTJ
ajst-19313	189	8	q	q	PROPN
ajst-19313	189	9	f	f	PROPN
ajst-19313	189	10	,	,	PUNCT
ajst-19313	189	11	li	li	PROPN
ajst-19313	189	12	n	n	PROPN
ajst-19313	189	13	,	,	PUNCT
ajst-19313	189	14	et	et	PROPN
ajst-19313	189	15	al	al	PROPN
ajst-19313	189	16	.	.	PUNCT
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ajst-19313	189	18	of	of	ADP
ajst-19313	189	19	operating	operate	VERB
ajst-19313	189	20	load	load	NOUN
ajst-19313	189	21	limits	limit	NOUN
ajst-19313	189	22	for	for	ADP
ajst-19313	189	23	rotary	rotary	NOUN
ajst-19313	189	24	shouldered	shoulder	VERB
ajst-19313	189	25	connections	connection	NOUN
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ajst-19313	189	28	finite	finite	ADJ
ajst-19313	189	29	element	element	NOUN
ajst-19313	189	30	analysis	analysis	NOUN
ajst-19313	189	31	[	[	X
ajst-19313	189	32	j].journal	j].journal	NOUN
ajst-19313	189	33	of	of	ADP
ajst-19313	189	34	petroleum	petroleum	NOUN
ajst-19313	189	35	science	science	NOUN
ajst-19313	189	36	and	and	CCONJ
ajst-19313	189	37	engineering,2015	engineering,2015	NOUN
ajst-19313	189	38	,	,	PUNCT
ajst-19313	189	39	133	133	NUM
ajst-19313	189	40	:	:	SYM
ajst-19313	189	41	622	622	NUM
ajst-19313	189	42	-	-	SYM
ajst-19313	189	43	632	632	NUM
ajst-19313	189	44	.	.	PUNCT
ajst-19313	190	1	[	[	X
ajst-19313	190	2	8	8	NUM
ajst-19313	190	3	]	]	PUNCT
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ajst-19313	190	7	,	,	PUNCT
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ajst-19313	190	14	y	y	PROPN
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ajst-19313	190	16	et	et	PROPN
ajst-19313	190	17	al	al	PROPN
ajst-19313	190	18	.	.	PROPN
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ajst-19313	191	5	of	of	ADP
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ajst-19313	191	7	-	-	PUNCT
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ajst-19313	191	9	effect	effect	NOUN
ajst-19313	191	10	on	on	ADP
ajst-19313	191	11	strength	strength	NOUN
ajst-19313	191	12	,	,	PUNCT
ajst-19313	191	13	contact	contact	NOUN
ajst-19313	191	14	stress	stress	NOUN
ajst-19313	191	15	,	,	PUNCT
ajst-19313	191	16	and	and	CCONJ
ajst-19313	191	17	ultimate	ultimate	ADJ
ajst-19313	191	18	torque	torque	NOUN
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ajst-19313	191	20	tool	tool	NOUN
ajst-19313	191	21	joint[j	joint[j	ADV
ajst-19313	191	22	]	]	PUNCT
ajst-19313	191	23	.	.	PUNCT
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ajst-19313	192	4	pressure	pressure	NOUN
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ajst-19313	192	8	,	,	PUNCT
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ajst-19313	192	10	:	:	PUNCT
ajst-19313	192	11	104221	104221	NUM
ajst-19313	192	12	.	.	PUNCT
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ajst-19313	193	2	9	9	NUM
ajst-19313	193	3	]	]	X
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ajst-19313	193	5	s	s	PROPN
ajst-19313	193	6	,	,	PUNCT
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ajst-19313	193	8	s	s	PART
ajst-19313	193	9	j.	j.	PROPN
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ajst-19313	193	11	of	of	ADP
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ajst-19313	193	13	distribution	distribution	NOUN
ajst-19313	193	14	on	on	ADP
ajst-19313	193	15	the	the	DET
ajst-19313	193	16	tool	tool	NOUN
ajst-19313	193	17	joint	joint	ADJ
ajst-19313	193	18	failure	failure	NOUN
ajst-19313	193	19	of	of	ADP
ajst-19313	193	20	internal	internal	ADJ
ajst-19313	193	21	and	and	CCONJ
ajst-19313	193	22	external	external	ADJ
ajst-19313	193	23	upset	upset	ADJ
ajst-19313	193	24	drill	drill	NOUN
ajst-19313	193	25	pipes	pipe	NOUN
ajst-19313	193	26	(	(	PUNCT
ajst-19313	193	27	article	article	NOUN
ajst-19313	193	28	)	)	PUNCT
ajst-19313	194	1	[	[	X
ajst-19313	194	2	j	j	X
ajst-19313	194	3	]	]	X
ajst-19313	194	4	.	.	PUNCT
ajst-19313	194	5	materials	material	NOUN
ajst-19313	194	6	and	and	CCONJ
ajst-19313	194	7	design,2013	design,2013	NOUN
ajst-19313	194	8	,	,	PUNCT
ajst-19313	194	9	vol.52	vol.52	NOUN
ajst-19313	194	10	:	:	PUNCT
ajst-19313	194	11	308	308	NUM
ajst-19313	194	12	-	-	SYM
ajst-19313	194	13	314	314	NUM
ajst-19313	194	14	.	.	PUNCT
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ajst-19313	195	2	10	10	NUM
ajst-19313	195	3	]	]	X
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ajst-19313	195	5	m	m	PROPN
ajst-19313	195	6	l	l	NOUN
ajst-19313	195	7	,	,	PUNCT
ajst-19313	195	8	yang	yang	PROPN
ajst-19313	195	9	y	y	PROPN
ajst-19313	195	10	h	h	PROPN
ajst-19313	195	11	,	,	PUNCT
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ajst-19313	195	13	f	f	PROPN
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ajst-19313	195	15	,	,	PUNCT
ajst-19313	195	16	et	et	PROPN
ajst-19313	195	17	al	al	PROPN
ajst-19313	195	18	.	.	PUNCT
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ajst-19313	196	2	design	design	NOUN
ajst-19313	196	3	method	method	NOUN
ajst-19313	196	4	of	of	ADP
ajst-19313	196	5	unequal	unequal	ADJ
ajst-19313	196	6	taper	taper	NOUN
ajst-19313	196	7	thread	thread	NOUN
ajst-19313	196	8	(	(	PUNCT
ajst-19313	196	9	utt	utt	NOUN
ajst-19313	196	10	)	)	PUNCT
ajst-19313	196	11	pairs	pair	NOUN
ajst-19313	196	12	and	and	CCONJ
ajst-19313	196	13	its	its	PRON
ajst-19313	196	14	application	application	NOUN
ajst-19313	196	15	in	in	ADP
ajst-19313	196	16	api	api	NOUN
ajst-19313	196	17	nc38	nc38	PROPN
ajst-19313	196	18	thread	thread	NOUN
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ajst-19313	196	20	,	,	PUNCT
ajst-19313	196	21	vol.9(3	vol.9(3	X
ajst-19313	196	22	):	):	PUNCT
ajst-19313	196	23	439453	439453	NUM
ajst-19313	196	24	.	.	PUNCT
ajst-19313	197	1	[	[	X
ajst-19313	197	2	11	11	NUM
ajst-19313	197	3	]	]	X
ajst-19313	197	4	di	di	X
ajst-19313	197	5	q	q	PROPN
ajst-19313	197	6	f	f	PROPN
ajst-19313	197	7	,	,	PUNCT
ajst-19313	197	8	song	song	NOUN
ajst-19313	197	9	h	h	PROPN
ajst-19313	197	10	t	t	PROPN
ajst-19313	197	11	,	,	PUNCT
ajst-19313	197	12	chen	chen	PROPN
ajst-19313	197	13	f	f	PROPN
ajst-19313	197	14	,	,	PUNCT
ajst-19313	197	15	et	et	PROPN
ajst-19313	197	16	al	al	PROPN
ajst-19313	197	17	.	.	PUNCT
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ajst-19313	198	2	effect	effect	NOUN
ajst-19313	198	3	of	of	ADP
ajst-19313	198	4	bending	bend	VERB
ajst-19313	198	5	moment	moment	NOUN
ajst-19313	198	6	direction	direction	NOUN
ajst-19313	198	7	on	on	ADP
ajst-19313	198	8	tool	tool	NOUN
ajst-19313	198	9	joints	joint	NOUN
ajst-19313	198	10	:	:	PUNCT
ajst-19313	198	11	working	work	VERB
ajst-19313	198	12	load	load	NOUN
ajst-19313	198	13	limits	limit	NOUN
ajst-19313	198	14	under	under	ADP
ajst-19313	198	15	complex	complex	ADJ
ajst-19313	198	16	loads[j].journal	loads[j].journal	ADJ
ajst-19313	198	17	of	of	ADP
ajst-19313	198	18	natural	natural	ADJ
ajst-19313	198	19	gas	gas	NOUN
ajst-19313	198	20	science	science	NOUN
ajst-19313	198	21	and	and	CCONJ
ajst-19313	198	22	engineering,2016	engineering,2016	NOUN
ajst-19313	198	23	,	,	PUNCT
ajst-19313	198	24	vol.35(2	vol.35(2	NOUN
ajst-19313	198	25	):	):	PUNCT
ajst-19313	198	26	532	532	NUM
ajst-19313	198	27	-	-	SYM
ajst-19313	198	28	540	540	NUM
ajst-19313	198	29	.	.	PUNCT
ajst-19313	199	1	[	[	X
ajst-19313	199	2	12	12	NUM
ajst-19313	199	3	]	]	X
ajst-19313	199	4	wang	wang	PROPN
ajst-19313	199	5	c	c	PROPN
ajst-19313	199	6	l	l	PROPN
ajst-19313	199	7	,	,	PUNCT
ajst-19313	199	8	liu	liu	PROPN
ajst-19313	199	9	x	x	PROPN
ajst-19313	199	10	k	k	PROPN
ajst-19313	199	11	,	,	PUNCT
ajst-19313	199	12	wang	wang	PROPN
ajst-19313	199	13	h	h	PROPN
ajst-19313	199	14	,	,	PUNCT
ajst-19313	199	15	et	et	PROPN
ajst-19313	199	16	al	al	PROPN
ajst-19313	199	17	.	.	PROPN
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ajst-19313	199	19	on	on	ADP
ajst-19313	199	20	sealing	seal	VERB
ajst-19313	199	21	performance	performance	NOUN
ajst-19313	199	22	of	of	ADP
ajst-19313	199	23	special	special	ADJ
ajst-19313	199	24	thread	thread	NOUN
ajst-19313	199	25	of	of	ADP
ajst-19313	199	26	tubing	tubing	NOUN
ajst-19313	199	27	under	under	ADP
ajst-19313	199	28	complex	complex	ADJ
ajst-19313	199	29	load[j].journal	load[j].journal	NOUN
ajst-19313	199	30	of	of	ADP
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ajst-19313	199	32	:	:	PUNCT
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ajst-19313	199	35	,	,	PUNCT
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ajst-19313	199	37	):	):	PUNCT
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ajst-19313	199	39	.	.	PUNCT
ajst-19313	200	1	[	[	X
ajst-19313	200	2	13	13	NUM
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ajst-19313	200	8	q	q	PROPN
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ajst-19313	200	10	,	,	PUNCT
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ajst-19313	200	12	h	h	PROPN
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ajst-19313	201	4	of	of	ADP
ajst-19313	201	5	tubing	tubing	NOUN
ajst-19313	201	6	and	and	CCONJ
ajst-19313	201	7	casing	casing	NOUN
ajst-19313	201	8	premium	premium	NOUN
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ajst-19313	201	10	connections	connection	NOUN
ajst-19313	201	11	under	under	ADP
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ajst-19313	202	4	.	.	PUNCT
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ajst-19313	203	7	,	,	PUNCT
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ajst-19313	203	13	:	:	PUNCT
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ajst-19313	203	15	-	-	SYM
ajst-19313	203	16	730	730	NUM
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ajst-19313	205	21	.	.	PUNCT
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ajst-19313	206	11	-	-	SYM
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ajst-19313	206	13	.	.	PUNCT
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ajst-19313	207	2	15	15	NUM
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ajst-19313	207	29	string	string	NOUN
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ajst-19313	207	31	-	-	PUNCT
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ajst-19313	207	43	.	.	PUNCT
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ajst-19313	208	2	16	16	NUM
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ajst-19313	208	28	analysis	analysis	NOUN
ajst-19313	208	29	of	of	ADP
ajst-19313	208	30	aluminum	aluminum	NOUN
ajst-19313	208	31	-	-	PUNCT
ajst-19313	208	32	drill	drill	NOUN
ajst-19313	208	33	-	-	PUNCT
ajst-19313	208	34	pipe	pipe	NOUN
ajst-19313	208	35	-	-	PUNCT
ajst-19313	208	36	body	body	NOUN
ajst-19313	208	37	-	-	PUNCT
ajst-19313	208	38	tool	tool	NOUN
ajst-19313	208	39	-	-	PUNCT
ajst-19313	208	40	joint	joint	NOUN
ajst-19313	208	41	-	-	PUNCT
ajst-19313	208	42	assemblies	assembly	NOUN
ajst-19313	208	43	with	with	ADP
ajst-19313	208	44	johnsoncook	johnsoncook	NOUN
ajst-19313	208	45	model[j].engineering	model[j].engineere	VERB
ajst-19313	208	46	failure	failure	NOUN
ajst-19313	208	47	analysis,2022	analysis,2022	NOUN
ajst-19313	208	48	,	,	PUNCT
ajst-19313	208	49	137	137	NUM
ajst-19313	208	50	:	:	SYM
ajst-19313	208	51	106281	106281	NUM
ajst-19313	208	52	.	.	PUNCT
ajst-19313	209	1	[	[	X
ajst-19313	209	2	17	17	NUM
ajst-19313	209	3	]	]	X
ajst-19313	209	4	g.	g.	PROPN
ajst-19313	209	5	r.	r.	PROPN
ajst-19313	209	6	m	m	PROPN
ajst-19313	209	7	,	,	PUNCT
ajst-19313	209	8	v.	v.	PROPN
ajst-19313	209	9	f	f	PROPN
ajst-19313	209	10	,	,	PUNCT
ajst-19313	209	11	j.	j.	PROPN
ajst-19313	209	12	a.	a.	PROPN
ajst-19313	209	13	v	v	PROPN
ajst-19313	209	14	,	,	PUNCT
ajst-19313	209	15	et	et	PROPN
ajst-19313	209	16	al	al	PROPN
ajst-19313	209	17	.	.	PROPN
ajst-19313	210	1	seal	seal	NOUN
ajst-19313	210	2	ability	ability	NOUN
ajst-19313	210	3	of	of	ADP
ajst-19313	210	4	stationary	stationary	ADJ
ajst-19313	210	5	metalto	metalto	NOUN
ajst-19313	210	6	-	-	PUNCT
ajst-19313	210	7	metal	metal	NOUN
ajst-19313	210	8	seals[j].journal	seals[j].journal	NOUN
ajst-19313	210	9	of	of	ADP
ajst-19313	210	10	tribology,2004,126(3	tribology,2004,126(3	NOUN
ajst-19313	210	11	):	):	PUNCT
ajst-19313	210	12	591	591	NUM
ajst-19313	210	13	-	-	SYM
ajst-19313	210	14	596	596	NUM
ajst-19313	210	15	.	.	PUNCT
ajst-19313	211	1	[	[	X
ajst-19313	211	2	18	18	NUM
ajst-19313	211	3	]	]	PUNCT
ajst-19313	211	4	yu	yu	PROPN
ajst-19313	211	5	h	h	PROPN
ajst-19313	211	6	,	,	PUNCT
ajst-19313	211	7	cheng	cheng	PROPN
ajst-19313	211	8	x	x	PROPN
ajst-19313	211	9	t	t	PROPN
ajst-19313	211	10	,	,	PUNCT
ajst-19313	211	11	lian	lian	PROPN
ajst-19313	211	12	z	z	PROPN
ajst-19313	211	13	h	h	PROPN
ajst-19313	211	14	,	,	PUNCT
ajst-19313	211	15	et	et	PROPN
ajst-19313	212	1	al	al	PROPN
ajst-19313	212	2	.	.	PROPN
ajst-19313	212	3	comprehensive	comprehensive	ADJ
ajst-19313	212	4	performance	performance	NOUN
ajst-19313	212	5	evaluation	evaluation	NOUN
ajst-19313	212	6	of	of	ADP
ajst-19313	212	7	sealing	sealing	NOUN
ajst-19313	212	8	and	and	CCONJ
ajst-19313	212	9	safety	safety	NOUN
ajst-19313	212	10	of	of	ADP
ajst-19313	212	11	premium	premium	NOUN
ajst-19313	212	12	tubing	tubing	NOUN
ajst-19313	212	13	connection	connection	NOUN
ajst-19313	212	14	［j］.lubrication	［j］.lubrication	PUNCT
ajst-19313	212	15	engineering,2023,48	engineering,2023,48	NOUN
ajst-19313	212	16	(	(	PUNCT
ajst-19313	212	17	3	3	NUM
ajst-19313	212	18	):	):	PUNCT
ajst-19313	212	19	191－199	191－199	NUM
ajst-19313	212	20	.	.	PUNCT
ajst-19313	213	1	[	[	X
ajst-19313	213	2	19	19	NUM
ajst-19313	213	3	]	]	X
ajst-19313	213	4	cai	cai	PROPN
ajst-19313	213	5	c.	c.	PROPN
ajst-19313	213	6	stress	stress	PROPN
ajst-19313	213	7	simulation	simulation	NOUN
ajst-19313	213	8	analysis	analysis	NOUN
ajst-19313	213	9	and	and	CCONJ
ajst-19313	213	10	gas	gas	NOUN
ajst-19313	213	11	-	-	PUNCT
ajst-19313	213	12	sealing	seal	VERB
ajst-19313	213	13	capacity	capacity	NOUN
ajst-19313	213	14	researching	researching	NOUN
ajst-19313	213	15	of	of	ADP
ajst-19313	213	16	casing	case	VERB
ajst-19313	213	17	threaded	thread	VERB
ajst-19313	213	18	connection[d].china	connection[d].china	PROPN
ajst-19313	213	19	university	university	PROPN
ajst-19313	213	20	of	of	ADP
ajst-19313	213	21	geosciences	geosciences	PROPN
ajst-19313	213	22	beijing,2016	beijing,2016	PROPN
ajst-19313	213	23	.	.	PUNCT
ajst-19313	214	1	[	[	X
ajst-19313	214	2	20	20	NUM
ajst-19313	214	3	]	]	X
ajst-19313	214	4	hou	hou	PROPN
ajst-19313	214	5	s.	s.	PROPN
ajst-19313	214	6	analysis	analysis	NOUN
ajst-19313	214	7	of	of	ADP
ajst-19313	214	8	the	the	DET
ajst-19313	214	9	working	work	VERB
ajst-19313	214	10	mechanical	mechanical	ADJ
ajst-19313	214	11	properties	property	NOUN
ajst-19313	214	12	of	of	ADP
ajst-19313	214	13	drilling	drilling	NOUN
ajst-19313	214	14	column	column	NOUN
ajst-19313	214	15	connecting	connect	VERB
ajst-19313	214	16	threads	thread	NOUN
ajst-19313	214	17	with	with	ADP
ajst-19313	214	18	variable	variable	ADJ
ajst-19313	214	19	taper	taper	NOUN
ajst-19313	214	20	[	[	X
ajst-19313	214	21	d	d	X
ajst-19313	214	22	]	]	X
ajst-19313	214	23	.	.	PUNCT
ajst-19313	215	1	yangtze	yangtze	PROPN
ajst-19313	215	2	university,2021	university,2021	PROPN
ajst-19313	215	3	.	.	PUNCT
ajst-19313	216	1	[	[	X
ajst-19313	216	2	21	21	NUM
ajst-19313	216	3	]	]	X
ajst-19313	216	4	zhuang	zhuang	PROPN
ajst-19313	216	5	y	y	PROPN
ajst-19313	216	6	;	;	PUNCT
ajst-19313	216	7	gao	gao	PROPN
ajst-19313	216	8	l	l	PROPN
ajst-19313	216	9	x	x	PROPN
ajst-19313	216	10	;	;	PUNCT
ajst-19313	216	11	yuan	yuan	PROPN
ajst-19313	216	12	p	p	PROPN
ajst-19313	216	13	b.	b.	PROPN
ajst-19313	216	14	force	force	PROPN
ajst-19313	216	15	analysis	analysis	NOUN
ajst-19313	216	16	and	and	CCONJ
ajst-19313	216	17	tightening	tighten	VERB
ajst-19313	216	18	optimization	optimization	NOUN
ajst-19313	216	19	of	of	ADP
ajst-19313	216	20	gas	gas	NOUN
ajst-19313	216	21	sealing	sealing	NOUN
ajst-19313	216	22	drill	drill	NOUN
ajst-19313	216	23	pipe	pipe	NOUN
ajst-19313	216	24	joints.[j	joints.[j	PROPN
ajst-19313	216	25	]	]	PUNCT
ajst-19313	216	26	.	.	PUNCT
ajst-19313	217	1	engineering	engineering	NOUN
ajst-19313	217	2	failure	failure	NOUN
ajst-19313	217	3	analysis,2015,.58	analysis,2015,.58	NOUN
ajst-19313	217	4	:	:	PUNCT
ajst-19313	217	5	173	173	NUM
ajst-19313	217	6	-	-	SYM
ajst-19313	217	7	183	183	NUM
ajst-19313	217	8	.	.	PUNCT
ajst-19313	218	1	[	[	X
ajst-19313	218	2	22	22	NUM
ajst-19313	218	3	]	]	SYM
ajst-19313	218	4	gb	gb	PROPN
ajst-19313	218	5	/	/	SYM
ajst-19313	218	6	t	t	NOUN
ajst-19313	218	7	22512.2-2008.petroleum	22512.2-2008.petroleum	NOUN
ajst-19313	218	8	and	and	CCONJ
ajst-19313	218	9	natural	natural	ADJ
ajst-19313	218	10	gas	gas	NOUN
ajst-19313	218	11	industries	industry	NOUN
ajst-19313	218	12	drilling	drill	VERB
ajst-19313	218	13	equipment	equipment	NOUN
ajst-19313	218	14	-	-	PUNCT
ajst-19313	218	15	part2	part2	NOUN
ajst-19313	218	16	:	:	PUNCT
ajst-19313	218	17	threading	threading	NOUN
ajst-19313	218	18	and	and	CCONJ
ajst-19313	218	19	gauging	gauge	VERB
ajst-19313	218	20	of	of	ADP
ajst-19313	218	21	rotary	rotary	NOUN
ajst-19313	218	22	shouldered	shoulder	VERB
ajst-19313	218	23	thread	thread	NOUN
ajst-19313	218	24	connections[s	connections[s	NOUN
ajst-19313	218	25	]	]	PUNCT
ajst-19313	218	26	.	.	PUNCT
ajst-19313	219	1	general	general	ADJ
ajst-19313	219	2	administration	administration	PROPN
ajst-19313	219	3	of	of	ADP
ajst-19313	219	4	quality	quality	PROPN
ajst-19313	219	5	supervision	supervision	NOUN
ajst-19313	219	6	,	,	PUNCT
ajst-19313	219	7	inspection	inspection	NOUN
ajst-19313	219	8	,	,	PUNCT
ajst-19313	219	9	and	and	CCONJ
ajst-19313	219	10	quarantine	quarantine	NOUN
ajst-19313	219	11	of	of	ADP
ajst-19313	219	12	the	the	DET
ajst-19313	219	13	people	people	NOUN
ajst-19313	219	14	's	's	PART
ajst-19313	219	15	republic	republic	NOUN
ajst-19313	219	16	of	of	ADP
ajst-19313	219	17	china	china	PROPN
ajst-19313	219	18	,	,	PUNCT
ajst-19313	219	19	standardization	standardization	NOUN
ajst-19313	219	20	administration	administration	NOUN
ajst-19313	219	21	of	of	ADP
ajst-19313	219	22	the	the	DET
ajst-19313	219	23	people	people	NOUN
ajst-19313	219	24	's	's	PART
ajst-19313	219	25	republic	republic	NOUN
ajst-19313	219	26	of	of	ADP
ajst-19313	219	27	china,2008.11.04	china,2008.11.04	NOUN
ajst-19313	219	28	.	.	PUNCT
ajst-19313	220	1	[	[	X
ajst-19313	220	2	23	23	NUM
ajst-19313	220	3	]	]	X
ajst-19313	220	4	zhu	zhu	PROPN
ajst-19313	220	5	x	x	SYM
ajst-19313	220	6	,	,	PUNCT
ajst-19313	220	7	zhang	zhang	PROPN
ajst-19313	220	8	z.	z.	PROPN
ajst-19313	220	9	design	design	PROPN
ajst-19313	220	10	of	of	ADP
ajst-19313	220	11	an	an	DET
ajst-19313	220	12	ultra	ultra	ADJ
ajst-19313	220	13	-	-	ADJ
ajst-19313	220	14	high	high	ADJ
ajst-19313	220	15	torque	torque	NOUN
ajst-19313	220	16	double	double	ADJ
ajst-19313	220	17	shoulder	shoulder	NOUN
ajst-19313	220	18	drill	drill	NOUN
ajst-19313	220	19	-	-	PUNCT
ajst-19313	220	20	pipe	pipe	NOUN
ajst-19313	220	21	tool	tool	NOUN
ajst-19313	220	22	joint	joint	NOUN
ajst-19313	220	23	for	for	ADP
ajst-19313	220	24	extended	extended	ADJ
ajst-19313	220	25	reach	reach	VERB
ajst-19313	220	26	wells[j].natural	wells[j].natural	ADJ
ajst-19313	220	27	gas	gas	NOUN
ajst-19313	220	28	industry	industry	NOUN
ajst-19313	220	29	b,2017	b,2017	PROPN
ajst-19313	220	30	,	,	PUNCT
ajst-19313	220	31	vol.4(5	vol.4(5	PROPN
ajst-19313	220	32	):	):	PUNCT
ajst-19313	220	33	374	374	NUM
ajst-19313	220	34	-	-	SYM
ajst-19313	220	35	381	381	NUM
ajst-19313	220	36	.	.	PUNCT
ajst-19313	221	1	[	[	X
ajst-19313	221	2	24	24	NUM
ajst-19313	221	3	]	]	X
ajst-19313	221	4	liu	liu	PROPN
ajst-19313	221	5	z	z	PROPN
ajst-19313	221	6	z.	z.	PROPN
ajst-19313	221	7	bearing	bear	VERB
ajst-19313	221	8	capacity	capacity	NOUN
ajst-19313	221	9	of	of	ADP
ajst-19313	221	10	drill	drill	NOUN
ajst-19313	221	11	pipe	pipe	NOUN
ajst-19313	221	12	joint	joint	ADJ
ajst-19313	221	13	thread	thread	NOUN
ajst-19313	221	14	of	of	ADP
ajst-19313	221	15	horizontal	horizontal	ADJ
ajst-19313	221	16	directional	directional	ADJ
ajst-19313	221	17	drilling	drilling	NOUN
ajst-19313	221	18	machine	machine	NOUN
ajst-19313	221	19	and	and	CCONJ
ajst-19313	221	20	its	its	PRON
ajst-19313	221	21	structure	structure	NOUN
ajst-19313	221	22	optimization[j	optimization[j	NOUN
ajst-19313	221	23	]	]	PUNCT
ajst-19313	221	24	.	.	PUNCT
ajst-19313	222	1	tunnel	tunnel	PROPN
ajst-19313	222	2	construction,2022,42(s2):487	construction,2022,42(s2):487	NOUN
ajst-19313	222	3	-	-	PUNCT
ajst-19313	222	4	493	493	NUM
ajst-19313	222	5	.	.	PUNCT
ajst-19313	223	1	[	[	X
ajst-19313	223	2	25	25	NUM
ajst-19313	223	3	]	]	PUNCT
ajst-19313	223	4	he	he	PRON
ajst-19313	223	5	t	t	PROPN
ajst-19313	223	6	c.	c.	NOUN
ajst-19313	223	7	analysis	analysis	NOUN
ajst-19313	223	8	of	of	ADP
ajst-19313	223	9	thread	thread	NOUN
ajst-19313	223	10	stress	stress	NOUN
ajst-19313	223	11	of	of	ADP
ajst-19313	223	12	oil	oil	NOUN
ajst-19313	223	13	drill	drill	NOUN
ajst-19313	223	14	and	and	CCONJ
ajst-19313	223	15	development	development	NOUN
ajst-19313	223	16	of	of	ADP
ajst-19313	223	17	thread	thread	NOUN
ajst-19313	223	18	reduction	reduction	NOUN
ajst-19313	223	19	coatings[d	coatings[d	PROPN
ajst-19313	223	20	]	]	PUNCT
ajst-19313	223	21	.	.	PUNCT
ajst-19313	224	1	xi’an	xi’an	PROPN
ajst-19313	224	2	university	university	PROPN
ajst-19313	224	3	of	of	ADP
ajst-19313	224	4	science	science	NOUN
ajst-19313	224	5	and	and	CCONJ
ajst-19313	224	6	technology,2019	technology,2019	NOUN
ajst-19313	224	7	.	.	PUNCT