Class information for:
Level 1: PERFLUOROPOLYALKYLETHER//PERFLUOROPOLYALKYL ETHER//SYNTHETIC LUBRICANTS

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
21626 354 17.8 39%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
2696 2816 HEAD DISK INTERFACE//COMP MECH//FLYING HEIGHT

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 PERFLUOROPOLYALKYLETHER Author keyword 15 77% 3% 10
2 PERFLUOROPOLYALKYL ETHER Author keyword 6 80% 1% 4
3 SYNTHETIC LUBRICANTS Author keyword 6 25% 6% 22
4 PERFLUOROPOLYALKYLETHERS Author keyword 5 54% 2% 7
5 MULTIPLY ALKYLATED CYCLOPENTANE Author keyword 4 67% 1% 4
6 SPACE LUBRICANTS Author keyword 4 75% 1% 3
7 AEROSPACE LUBRICANT Author keyword 3 100% 1% 3
8 CENTRIFUGAL LUBRICATOR Author keyword 3 100% 1% 3
9 SPACECRAFT LUBRICATION Author keyword 3 100% 1% 3
10 AEROSPACE TRIBOLOGY Author keyword 3 37% 2% 7

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class		 LCSH search Wikipedia search
1 PERFLUOROPOLYALKYLETHER 15 77% 3% 10 Search PERFLUOROPOLYALKYLETHER Search PERFLUOROPOLYALKYLETHER
2 PERFLUOROPOLYALKYL ETHER 6 80% 1% 4 Search PERFLUOROPOLYALKYL+ETHER Search PERFLUOROPOLYALKYL+ETHER
3 SYNTHETIC LUBRICANTS 6 25% 6% 22 Search SYNTHETIC+LUBRICANTS Search SYNTHETIC+LUBRICANTS
4 PERFLUOROPOLYALKYLETHERS 5 54% 2% 7 Search PERFLUOROPOLYALKYLETHERS Search PERFLUOROPOLYALKYLETHERS
5 MULTIPLY ALKYLATED CYCLOPENTANE 4 67% 1% 4 Search MULTIPLY+ALKYLATED+CYCLOPENTANE Search MULTIPLY+ALKYLATED+CYCLOPENTANE
6 SPACE LUBRICANTS 4 75% 1% 3 Search SPACE+LUBRICANTS Search SPACE+LUBRICANTS
7 AEROSPACE LUBRICANT 3 100% 1% 3 Search AEROSPACE+LUBRICANT Search AEROSPACE+LUBRICANT
8 CENTRIFUGAL LUBRICATOR 3 100% 1% 3 Search CENTRIFUGAL+LUBRICATOR Search CENTRIFUGAL+LUBRICATOR
9 SPACECRAFT LUBRICATION 3 100% 1% 3 Search SPACECRAFT+LUBRICATION Search SPACECRAFT+LUBRICATION
10 AEROSPACE TRIBOLOGY 3 37% 2% 7 Search AEROSPACE+TRIBOLOGY Search AEROSPACE+TRIBOLOGY

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 OXIDATIVE DEGRADATION REACTIONS 35 89% 5% 16
2 PERFLUOROPOLYALKYLETHER OIL 27 74% 6% 20
3 PERFLUOROALKYL ETHERS 26 87% 4% 13
4 SOLUBLE ADDITIVES 13 80% 2% 8
5 PERFLUOROPOLYETHERS 11 27% 10% 37
6 C2F52O 8 100% 1% 5
7 PERFLUORO ETHERS 8 100% 1% 5
8 FEF3 8 33% 5% 19
9 PERFLUOROPOLYALKYLETHER 4 75% 1% 3
10 POLYSILAHYDROCARBON SYNTHETIC FLUIDS 4 75% 1% 3

Journals

Reviews


Title Publ. year Cit. Active
references		 % act. ref.
to same field
Space tribology - Recent topics 1999 2 9 67%
Perfluoropolyether lubricants 1997 1 24 92%
Liquid space lubricants examined by vibrational microspectroscopy 2008 0 14 64%
THE INFLUENCE OF FLUORINATION ON BOUNDARY-LAYER SURFACE-CHEMISTRY 1992 0 4 50%
CHEMICAL AND TRIBOLOGICAL BEHAVIOR OF THIN ORGANIC LUBRICANT FILMS ON SURFACES 1992 0 11 45%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ.
in class
1 MECANISMES 2 67% 0.6% 2
2 TRIBOL SUR E SCI BRANCH 2 67% 0.6% 2
3 WL MLBT 1 100% 0.6% 2
4 TECH LUBRICATING GREASE 1 50% 0.3% 1
5 AFITENP 0 33% 0.3% 1
6 STATE 25 0 33% 0.3% 1
7 CORP RD ADM 0 17% 0.6% 2
8 CNRSUMR 5514 0 25% 0.3% 1
9 HONJO 0 25% 0.3% 1
10 BIOMASS CHEM LEATHER ENGN 0 20% 0.3% 1

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000234010 GRP CIENCIA MAT INGN MET//INGN MAT FABRICAC//MICRO NANO FRICTION
2 0.0000212441 HEAD DISK INTERFACE//COMP MECH//FLYING HEIGHT
3 0.0000130015 BUTYLTIN CHLORIDES//PEROXODICARBONATE//HYDRATED OXIDE
4 0.0000096298 ZDDP//ANTIWEAR ADDITIVES//ZINC DIALKYLDITHIOPHOSPHATE
5 0.0000077103 ELASTOHYDRODYNAMIC LUBRICATION//HIGH P SURE RHEOL//EHL
6 0.0000076993 REGULATORY CHAIN//ELEMENT TURNOVER//PHOTOSYNTHETIC OXYGEN
7 0.0000067941 LM FFM//OPT MECHATRON//MAGNETIC HARD DISK
8 0.0000058388 HYDROFLUOROPOLYETHERS//FLUORINATED FLUIDS//PERFLUORO 2 METHYLPENT 2 ENE
9 0.0000058211 BALL PASSAGE FREQUENCY//BALL BEARING//SLEWING BEARING
10 0.0000056093 COPPER SUBOXIDE//METHOXY//IN SITU NEXAFS