id	sid	eid	entity	type
fumecheng-2391	1	1	half	CARDINAL
fumecheng-2391	2	1	14	CARDINAL
fumecheng-2391	2	2	2016	DATE
fumecheng-2391	4	1	the recent decades	DATE
fumecheng-2391	5	1	decades ago	DATE
fumecheng-2391	8	1	valentin l. popov	PERSON
fumecheng-2391	8	2	technische universität berlin	ORG
fumecheng-2391	8	3	sergey g. psakhie	PERSON
fumecheng-2391	8	4	russian academy of sciences	ORG
fumecheng-2391	8	5	the technische universität berlin	ORG
fumecheng-2391	11	1	recent years	DATE
fumecheng-2391	19	1	bio-tribology	GPE
fumecheng-2391	22	1	dragan marinković	ORG