Class information for:
Level 2: SPACE NUCL POWER STUDIES//SPACE LAUNCHER//SPACE NUCLEAR REACTOR

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
21 4 THERMODYNAMICS//MECHANICS//ENGINEERING, MECHANICAL 471779
692 3       SPACE POLICY//JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER//RADIATIVE HEAT TRANSFER 8148
3997 2             SPACE NUCL POWER STUDIES//SPACE LAUNCHER//SPACE NUCLEAR REACTOR 804
31179 1                   SPACE NUCL POWER STUDIES//SPACE NUCLEAR REACTOR//SPACE NUCLEAR POWER 171
32032 1                   OFC SPACE FLIGHT//SPACE POWER GENERATION//SPACE SYST OPERAT 157
32899 1                   SPACE LAUNCHER//SPACE TOWER//EVENT RECORDER SYNCHRONIZATION 145
34488 1                   ARTIFICIAL INTELLIGENCE REGRESSION//ANUTECH//BROAD WALK HOUSE 124
35377 1                   BPG ELECTRODE//PLATINUM FAMILY METALS//SULFATO BRIDGED COMPLEXES 113
36679 1                   AEROSPACE EDUCATION//ANTI REGULATION//BOW SHOCK INSTABILITY 94

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SPACE NUCL POWER STUDIES address 325808 4% 25% 33
2 SPACE LAUNCHER authKW 174607 1% 64% 7
3 SPACE NUCLEAR REACTOR authKW 125434 0% 80% 4
4 SPACE NUCLEAR POWER authKW 122492 1% 63% 5
5 SPACE REACTOR POWER SYSTEMS authKW 117596 0% 100% 3
6 SPACE TOWER authKW 117596 0% 100% 3
7 SPACE REACTOR authKW 89082 1% 45% 5
8 ANAL MANAGEMENT BRANCH address 78397 0% 100% 2
9 ARTIFICIAL INTELLIGENCE REGRESSION authKW 78397 0% 100% 2
10 EVENT RECORDER SYNCHRONIZATION authKW 78397 0% 100% 2

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Engineering, Aerospace 42820 35% 0% 282
2 Nuclear Science & Technology 1669 14% 0% 111
3 Energy & Fuels 472 9% 0% 70
4 Thermodynamics 199 5% 0% 37
5 Astronomy & Astrophysics 152 7% 0% 57
6 Multidisciplinary Sciences 121 2% 0% 19
7 Instruments & Instrumentation 79 4% 0% 32
8 Engineering, Mechanical 78 4% 0% 33
9 Geosciences, Multidisciplinary 65 4% 0% 36
10 Environmental Studies 42 2% 0% 13

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SPACE NUCL POWER STUDIES 325808 4% 25% 33
2 ANAL MANAGEMENT BRANCH 78397 0% 100% 2
3 OFC SPACE FLIGHT 78397 0% 100% 2
4 SPACE SYST OPERAT 50395 0% 43% 3
5 NUCL SCI ENGN PROGRAM 44536 1% 23% 5
6 ANUTECH 39199 0% 100% 1
7 AV SYST TECHNOL TECH STAFF 39199 0% 100% 1
8 BROAD WALK HOUSE 39199 0% 100% 1
9 COUNCIL EGLING AIR FORCE BASE 39199 0% 100% 1
10 CSNR 39199 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ACTA ASTRONAUTICA 54941 11% 2% 92
2 JBIS-JOURNAL OF THE BRITISH INTERPLANETARY SOCIETY 40935 2% 6% 18
3 SPACE POWER 34910 1% 13% 7
4 SPACE SOLAR POWER REVIEW 22038 1% 9% 6
5 AEROSPACE AMERICA 14573 1% 3% 11
6 JOURNAL OF PROPULSION AND POWER 14555 5% 1% 41
7 JOURNAL OF SPACECRAFT AND ROCKETS 11669 4% 1% 36
8 AVIATION WEEK & SPACE TECHNOLOGY 8184 1% 2% 11
9 IEEE TRANSACTIONS ON POWER APPARATUS AND SYSTEMS 7799 3% 1% 22
10 ATOMWIRTSCHAFT-ATOMTECHNIK 5724 1% 2% 9

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 SPACE LAUNCHER 174607 1% 64% 7 Search SPACE+LAUNCHER Search SPACE+LAUNCHER
2 SPACE NUCLEAR REACTOR 125434 0% 80% 4 Search SPACE+NUCLEAR+REACTOR Search SPACE+NUCLEAR+REACTOR
3 SPACE NUCLEAR POWER 122492 1% 63% 5 Search SPACE+NUCLEAR+POWER Search SPACE+NUCLEAR+POWER
4 SPACE REACTOR POWER SYSTEMS 117596 0% 100% 3 Search SPACE+REACTOR+POWER+SYSTEMS Search SPACE+REACTOR+POWER+SYSTEMS
5 SPACE TOWER 117596 0% 100% 3 Search SPACE+TOWER Search SPACE+TOWER
6 SPACE REACTOR 89082 1% 45% 5 Search SPACE+REACTOR Search SPACE+REACTOR
7 ARTIFICIAL INTELLIGENCE REGRESSION 78397 0% 100% 2 Search ARTIFICIAL+INTELLIGENCE+REGRESSION Search ARTIFICIAL+INTELLIGENCE+REGRESSION
8 EVENT RECORDER SYNCHRONIZATION 78397 0% 100% 2 Search EVENT+RECORDER+SYNCHRONIZATION Search EVENT+RECORDER+SYNCHRONIZATION
9 PRECISION TIMEKEEPING 78397 0% 100% 2 Search PRECISION+TIMEKEEPING Search PRECISION+TIMEKEEPING
10 THERMIONIC REACTOR 78397 0% 100% 2 Search THERMIONIC+REACTOR Search THERMIONIC+REACTOR

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 2


rank cluster_id2 link
1 3187 PEAK OIL//EROI//RESOURCES AND ENERGY
2 3605 ANNUAL REVIEW OF ENERGY//ANALYTICAL PLATFORM//NUCLEAR POWER
3 2906 NUCL FUELS MAT//U MO ALLOYS//JOURNAL OF NUCLEAR MATERIALS
4 3840 SPACE POLICY//SPACE TOURISM//SPACE LAW
5 985 JOURNAL OF GUIDANCE CONTROL AND DYNAMICS//ENGINEERING, AEROSPACE//JOURNAL OF THE ASTRONAUTICAL SCIENCES
6 2706 JOURNAL OF SPACECRAFT AND ROCKETS//JOURNAL OF THERMOPHYSICS AND HEAT TRANSFER//AEROTHERMODYNAM BRANCH
7 2033 ENGINEERING, AEROSPACE//JOURNAL OF PROPULSION AND POWER//SCRAMJET
8 1724 PHASE CHANGE MATERIAL//THERMAL ENERGY STORAGE//PHASE CHANGE MATERIALS
9 3901 BETAVOLTAIC//GAAS DETECTORS//NUCLEAR BATTERY
10 3041 JOURNAL OF TERRAMECHANICS//TRACKED VEHICLE//TERRAMECHANICS

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