Class information for:
Level 1: GETTER//TRITIUM STORAGE//ZRCO

Basic class information
Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
15 4 METALLURGY & METALLURGICAL ENGINEERING//MATERIALS SCIENCE, MULTIDISCIPLINARY//MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 827627
460 3       FUSION ENGINEERING AND DESIGN//JOURNAL OF NUCLEAR MATERIALS//NUCLEAR SCIENCE & TECHNOLOGY 26056
2565 2             TRITIUM//FUSION SCIENCE AND TECHNOLOGY//FUSION TECHNOLOGY 3952
16422 1                   GETTER//TRITIUM STORAGE//ZRCO 681

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 GETTER authKW 949212 6% 49% 42
2 TRITIUM STORAGE authKW 789175 3% 95% 18
3 ZRCO authKW 558650 2% 93% 13
4 NEG authKW 377932 2% 58% 14
5 ZRCO ALLOY authKW 370231 1% 100% 8
6 NON EVAPORABLE GETTER authKW 370223 2% 67% 12
7 TIZRV authKW 277673 1% 100% 6
8 METAL HYDRIDE BED authKW 227828 1% 62% 8
9 ASTEC VACUUM SCI GRP address 206146 1% 64% 7
10 GETTER MATERIAL authKW 185115 1% 100% 4

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Nuclear Science & Technology 12820 40% 0% 272
2 Materials Science, Coatings & Films 2041 13% 0% 87
3 Physics, Applied 1051 27% 0% 184
4 Materials Science, Multidisciplinary 941 28% 0% 192
5 Metallurgy & Metallurgical Engineering 495 10% 0% 67
6 Chemistry, Physical 369 18% 0% 123
7 Electrochemistry 113 4% 0% 28
8 Energy & Fuels 99 5% 0% 33
9 Physics, Nuclear 8 2% 0% 12
10 Physics, Condensed Matter 8 4% 0% 28

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ASTEC VACUUM SCI GRP 206146 1% 64% 7
2 SM GRP 104126 0% 75% 3
3 ASTEC ACCELERATOR SCI TECHNOL 61704 0% 67% 2
4 CENT ENGN PLANT SUPPORT 61704 0% 67% 2
5 SUR ES MAT GRP 61704 0% 67% 2
6 ISRC ASR1 46279 0% 100% 1
7 ITEP TRITIUM 46279 0% 100% 1
8 KOCEN 46279 0% 100% 1
9 MATHPHYS INFORMAT 46279 0% 100% 1
10 NUCL HEAT UTILIZAT TECHNOL 46279 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 FUSION SCIENCE AND TECHNOLOGY 64487 11% 2% 74
2 FUSION TECHNOLOGY 60207 10% 2% 67
3 VACUUM 21956 10% 1% 68
4 FUSION ENGINEERING AND DESIGN 18283 9% 1% 61
5 JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A 17259 11% 1% 73
6 JOURNAL OF THE LESS-COMMON METALS 5104 3% 1% 22
7 JOURNAL OF VACUUM SCIENCE & TECHNOLOGY 3899 1% 1% 10
8 JOURNAL OF NUCLEAR MATERIALS 3270 6% 0% 38
9 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 1526 4% 0% 27
10 JOURNAL OF ALLOYS AND COMPOUNDS 1516 6% 0% 38

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 GETTER 949212 6% 49% 42 Search GETTER Search GETTER
2 TRITIUM STORAGE 789175 3% 95% 18 Search TRITIUM+STORAGE Search TRITIUM+STORAGE
3 ZRCO 558650 2% 93% 13 Search ZRCO Search ZRCO
4 NEG 377932 2% 58% 14 Search NEG Search NEG
5 ZRCO ALLOY 370231 1% 100% 8 Search ZRCO+ALLOY Search ZRCO+ALLOY
6 NON EVAPORABLE GETTER 370223 2% 67% 12 Search NON+EVAPORABLE+GETTER Search NON+EVAPORABLE+GETTER
7 TIZRV 277673 1% 100% 6 Search TIZRV Search TIZRV
8 METAL HYDRIDE BED 227828 1% 62% 8 Search METAL+HYDRIDE+BED Search METAL+HYDRIDE+BED
9 GETTER MATERIAL 185115 1% 100% 4 Search GETTER+MATERIAL Search GETTER+MATERIAL
10 NON EVAPORABLE GETTER NEG 165279 1% 71% 5 Search NON+EVAPORABLE+GETTER+NEG Search NON+EVAPORABLE+GETTER+NEG

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1


rank cluster_id2 link
1 6574 HYDROGEN ISOTOPE SEPARATION//DETRITIATION//TRITIUM KARLSRUHE
2 21720 ALPHA U001 SURFACE//URANIUM HYDRIDE//MOLYBDATE COATINGS
3 6695 VACUUM//JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A//SPINNING ROTOR GAUGE
4 5795 METAL HYDRIDES//LANI5//HYDROGEN COMPRESSOR
5 25856 POLYCRYSTALLINE ZIRCONIUM//TIME OF FLIGHT ELECTRON STIMULATED DESORPTION TOF ESD//SUBSURFACE SPECIES
6 11102 MET HYDRIDES//THERMODYNAMICS OF DISSOLVED HYDROGEN//JOURNAL OF THE LESS-COMMON METALS
7 24365 HYDROGEN ISOTOPE//BETA RAY INDUCED X RAY SPECTROMETRY//DEN DADN
8 37691 HYDROTHERMAL EXCHANGE//LAHZSM 5 ZEOLITE//NI3AL PHASE FORMATION
9 10669 ZIRCONIUM HYDRIDE//DELAYED HYDRIDE CRACKING//ZIRCONIUM TEAM
10 17645 MULTIPACTOR//AURORA SOFTWARE TESTING SL//ELECTRON CLOUD

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