Class information for:
Level 1: SPACE NUCL POWER STUDIES//SPACE REACTOR POWER SYSTEMS//MARS HOPPER

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
26306 212 22.8 26%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
3848 583 PSEUDOANALYTIC FUNCTION//SPECTRAL PARAMETER POWER SERIES//VEKUA EQUATION

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 SPACE NUCL POWER STUDIES Address 10 27% 15% 31
2 SPACE REACTOR POWER SYSTEMS Author keyword 3 100% 1% 3
3 MARS HOPPER Author keyword 2 67% 1% 2
4 OPERATION LIFE Author keyword 2 67% 1% 2
5 RADIOISOTOPE THERMOELECTRIC GENERATOR RTG Author keyword 2 67% 1% 2
6 SPACE NUCLEAR REACTORS Author keyword 2 67% 1% 2
7 NUCL SCI ENGN PROGRAM Address 2 31% 2% 5
8 PENETRATORS Author keyword 2 36% 2% 4
9 THERMIONIC CONVERTER Author keyword 2 43% 1% 3
10 LIQUID METAL COOLANTS Author keyword 1 50% 1% 2

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 SPACE REACTOR POWER SYSTEMS 3 100% 1% 3 Search SPACE+REACTOR+POWER+SYSTEMS Search SPACE+REACTOR+POWER+SYSTEMS
2 MARS HOPPER 2 67% 1% 2 Search MARS+HOPPER Search MARS+HOPPER
3 OPERATION LIFE 2 67% 1% 2 Search OPERATION+LIFE Search OPERATION+LIFE
4 RADIOISOTOPE THERMOELECTRIC GENERATOR RTG 2 67% 1% 2 Search RADIOISOTOPE+THERMOELECTRIC+GENERATOR+RTG Search RADIOISOTOPE+THERMOELECTRIC+GENERATOR+RTG
5 SPACE NUCLEAR REACTORS 2 67% 1% 2 Search SPACE+NUCLEAR+REACTORS Search SPACE+NUCLEAR+REACTORS
6 PENETRATORS 2 36% 2% 4 Search PENETRATORS Search PENETRATORS
7 THERMIONIC CONVERTER 2 43% 1% 3 Search THERMIONIC+CONVERTER Search THERMIONIC+CONVERTER
8 LIQUID METAL COOLANTS 1 50% 1% 2 Search LIQUID+METAL+COOLANTS Search LIQUID+METAL+COOLANTS
9 THERMIONIC REACTOR 1 100% 1% 2 Search THERMIONIC+REACTOR Search THERMIONIC+REACTOR
10 FAST NEUTRON SPECTRUM 1 40% 1% 2 Search FAST+NEUTRON+SPECTRUM Search FAST+NEUTRON+SPECTRUM

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 CS BA TACITRON 1 100% 1% 2
2 PELLET BED REACTOR 1 100% 1% 2
3 SPECTRUM SPACE REACTORS 1 100% 1% 2
4 URANIUM NITRIDE FUEL 1 50% 1% 2
5 AMTEC 1 25% 2% 4
6 LUNAR A 1 50% 0% 1
7 SPACE REACTOR 1 50% 0% 1
8 WC CO POWDER 1 22% 1% 2
9 LUNAR SOIL SIMULANT 0 33% 0% 1
10 NASA GRC 0 33% 0% 1

Journals

Reviews


Title Publ. year Cit. Active
references		 % act. ref.
to same field
Deployment history and design considerations for space reactor power systems 2009 3 10 80%
A review of penetrometers for subsurface access on comets and asteroids 2008 2 15 27%

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 SPACE NUCL POWER STUDIES 10 27% 15% 31
2 NUCL SCI ENGN PROGRAM 2 31% 2.4% 5
3 SPACE NUCL 1 33% 1.4% 3
4 ELE O 1 50% 0.5% 1
5 DG PF 0 33% 0.5% 1
6 INTELLIGENT AGR EQUIPMENT JIANGSU PROV 0 33% 0.5% 1
7 EADS ASTRIUM 0 25% 0.5% 1
8 BALLOON 0 20% 0.5% 1
9 POWER ENERGY CONVERS 0 17% 0.5% 1
10 REGENERAT LIFE SUPPORT BRANCH 0 17% 0.5% 1

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000153012 JUMPING ROBOT//BALLISTOSPORE//ESCAPE MOVEMENTS
2 0.0000151824 AMTEC//POWER DEGRADATION//ALKALI METAL THERMAL TO ELECTRIC CONVERTER
3 0.0000115612 THERMAL RADIATION CALORIMETRY//GLASS MIXING//CONTINUOUS LAMINAR FLOW
4 0.0000095804 INVARIANT NORMALIZATION//DOUBLE MATHEMATICAL PENDULUM//ADVANCED RESEARCH
5 0.0000072659 MOON//MOON SURFACE//LUNAR CRUST
6 0.0000069978 LOAD FOLLOW OPERATION//XENON OSCILLATIONS//MODULAR HIGH TEMPERATURE GAS COOLED REACTOR MHTGR
7 0.0000063454 SPEISS//COPPER RICH ALLOY//NI PB
8 0.0000060946 AXIAL SPIN//COMPUTATIONAL SYMBOLIC MANIPULATION//PTT CONSTITUTIVE EQUATION
9 0.0000053147 EUROPEO ENSAYOS ENERGIA SOLAR//SOLAR FURNACE//MAT TECNOL PROD
10 0.0000052219 TA W ALLOY//TA W HF ALLOY//REFRACTORY MET MAT