Class information for:
Level 1: IMPREGNATED CATHODES//OXIDE CATHODE//SCANDATE CATHODE

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
16639 578 15.9 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
3698 772 IMPREGNATED CATHODES//OXIDE CATHODE//SCANDATE CATHODE

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 IMPREGNATED CATHODES Author keyword 23 100% 2% 10
2 OXIDE CATHODE Author keyword 19 61% 3% 20
3 SCANDATE CATHODE Author keyword 13 53% 3% 17
4 LA2O3 MO Author keyword 11 100% 1% 6
5 SCANDATE CATHODES Author keyword 10 61% 2% 11
6 OXIDE COATED CATHODE Author keyword 8 100% 1% 5
7 IMPREGNATED CATHODE Author keyword 8 62% 1% 8
8 CATHODE LIFE Author keyword 6 53% 1% 8
9 DISPENSER CATHODE Author keyword 6 33% 3% 15
10 BA AND SR OXIDES Author keyword 6 100% 1% 4

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 IMPREGNATED CATHODES 23 100% 2% 10 Search IMPREGNATED+CATHODES Search IMPREGNATED+CATHODES
2 OXIDE CATHODE 19 61% 3% 20 Search OXIDE+CATHODE Search OXIDE+CATHODE
3 SCANDATE CATHODE 13 53% 3% 17 Search SCANDATE+CATHODE Search SCANDATE+CATHODE
4 LA2O3 MO 11 100% 1% 6 Search LA2O3+MO Search LA2O3+MO
5 SCANDATE CATHODES 10 61% 2% 11 Search SCANDATE+CATHODES Search SCANDATE+CATHODES
6 OXIDE COATED CATHODE 8 100% 1% 5 Search OXIDE+COATED+CATHODE Search OXIDE+COATED+CATHODE
7 IMPREGNATED CATHODE 8 62% 1% 8 Search IMPREGNATED+CATHODE Search IMPREGNATED+CATHODE
8 CATHODE LIFE 6 53% 1% 8 Search CATHODE+LIFE Search CATHODE+LIFE
9 DISPENSER CATHODE 6 33% 3% 15 Search DISPENSER+CATHODE Search DISPENSER+CATHODE
10 BA AND SR OXIDES 6 100% 1% 4 Search BA+AND+SR+OXIDES Search BA+AND+SR+OXIDES

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 IMPREGNATED CATHODE 45 94% 3% 16
2 IMPREGNATED CATHODES 32 88% 3% 15
3 DISPENSER CATHODES 13 61% 2% 14
4 SCANDATE CATHODES 13 80% 1% 8
5 LAYER SCANDATE CATHODES 12 86% 1% 6
6 DISPENSER CATHODE 4 67% 1% 4
7 INTERATOMIC AUGER ANALYSIS 3 100% 1% 3
8 THIN BA FILMS 3 100% 1% 3
9 CONTROLLED POROSITY CATHODES 2 67% 0% 2
10 SC2O3 2 13% 2% 11

Journals

Reviews


Title Publ. year Cit. Active
references		 % act. ref.
to same field
Fundamental physics of vacuum electron sources 2006 44 55 45%
Ecomaterials research and development activities in China 2003 7 11 36%
CATHODE-RAY TUBES FOR INDUSTRIAL AND MILITARY APPLICATIONS 1986 5 9 67%

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 RD MICROWAVE DEVICE TECHNOL 4 67% 0.7% 4
2 ELECT DEVICES MAT 3 42% 0.9% 5
3 MICROWAVE TUBE RD 2 67% 0.3% 2
4 ELE ON TUBES DEVICES 2 40% 0.7% 4
5 CONSUMER IND 1 100% 0.3% 2
6 MOBARA WORKS 1 50% 0.3% 2
7 MAT COMPONENT ENGN 1 30% 0.5% 3
8 I BIO 1 40% 0.3% 2
9 NEW FUNCT MAT 1 17% 0.9% 5
10 ADV FUNCT MAT MINIST EDUC 1 50% 0.2% 1

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000082592 HAIRPIN FILAMENT//POINT CATHODE//MICROWAVE COMMUN SYST GRP
2 0.0000065690 MICROCOLUMN//SCHOTTKY EMITTER//PROD DESIGN TECHNOL
3 0.0000058878 MODERN FLUID PHYS//KINETIC MODEL EQUATION//PROP DIRECTORATE AFRL RZSA
4 0.0000054175 TRAVELING WAVE TUBE TWT//SLOW WAVE STRUCTURE SWS//HIGH POWER VACUUM ELECT
5 0.0000050961 RF GUN//PHOTO INJECTOR//PHOTOINJECTOR
6 0.0000050527 B NB TI//REFRACTORY MET//ULTRA HIGH PURITY NIOBIUM
7 0.0000046574 SUBSTITUTIONAL ADSORPTION//CU001//CHEMISORPTION OF CO
8 0.0000046019 GRP DESCARGAS ELECT//FUNDAMENTALS ELECT ENGN GRP//W THO2 CATHODE
9 0.0000039252 THERMIONIC CONTRAST//THERMAL ELECTRON EMISSION//THERMAL POSITIVE ION EMISSION
10 0.0000032368 MO4O11//KINET SHS PROC//MO YIELDS