Class information for:
Level 1: SPACE PLASMA POWER PROP GRP//SPACE PLASMA POWER PROP//HELICON WAVE

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
419 3       PLASMA SOURCES SCIENCE & TECHNOLOGY//REVIEW OF SCIENTIFIC INSTRUMENTS//JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A 30297
1265 2             PLASMA SOURCES SCIENCE & TECHNOLOGY//PLASMA SHEATHS//PHYSICS, FLUIDS & PLASMAS 9130
10693 1                   SPACE PLASMA POWER PROP GRP//SPACE PLASMA POWER PROP//HELICON WAVE 1072

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SPACE PLASMA POWER PROP GRP address 878939 4% 71% 42
2 SPACE PLASMA POWER PROP address 744517 3% 77% 33
3 HELICON WAVE authKW 700077 3% 74% 32
4 HELICON authKW 585913 3% 59% 34
5 HELICON PLASMA authKW 476233 3% 60% 27
6 HELICON DISCHARGE authKW 198435 1% 75% 9
7 MAGNETIC NOZZLE authKW 183169 1% 69% 9
8 SPACE PLASMA PLASMA PROC GRP address 183169 1% 69% 9
9 HELICON THRUSTER authKW 176391 1% 100% 6
10 PLASMA THRUSTER authKW 136803 1% 42% 11

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Physics, Fluids & Plasmas 43222 49% 0% 525
2 Physics, Applied 1919 29% 0% 309
3 Instruments & Instrumentation 818 9% 0% 101
4 Engineering, Aerospace 577 4% 0% 40
5 Materials Science, Coatings & Films 534 6% 0% 59
6 Physics, Multidisciplinary 521 12% 0% 124
7 Physics, Nuclear 74 3% 0% 34
8 Nuclear Science & Technology 20 2% 0% 22
9 Physics, Mathematical -0 1% 0% 8
10 Physics, Particles & Fields -0 1% 0% 9

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SPACE PLASMA POWER PROP GRP 878939 4% 71% 42
2 SPACE PLASMA POWER PROP 744517 3% 77% 33
3 SPACE PLASMA PLASMA PROC GRP 183169 1% 69% 9
4 ELECT PROP PLASMA DYNAM EPPDYL 117594 0% 100% 4
5 PLASMA RUMENTAT 94073 0% 80% 4
6 SPACE PLASMA POWER PROPULS GRP 94073 0% 80% 4
7 SP3 GRP 88195 0% 100% 3
8 PL PLASMA GRP 73491 0% 50% 5
9 ADV SPACE PROP 70549 1% 40% 6
10 PLASMA 66987 6% 4% 62

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PLASMA SOURCES SCIENCE & TECHNOLOGY 124384 10% 4% 110
2 PHYSICS OF PLASMAS 102657 24% 1% 261
3 IEEE TRANSACTIONS ON PLASMA SCIENCE 12357 6% 1% 65
4 REVIEW OF SCIENTIFIC INSTRUMENTS 8544 9% 0% 95
5 JOURNAL OF PROPULSION AND POWER 7046 3% 1% 33
6 PLASMA PHYSICS AND CONTROLLED FUSION 3651 3% 0% 29
7 PLASMA PHYSICS REPORTS 2635 1% 1% 16
8 JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A 1808 3% 0% 30
9 MOSCOW UNIVERSITY PHYSICS BULLETIN 1718 1% 1% 7
10 FUSION SCIENCE AND TECHNOLOGY 1442 1% 0% 14

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 HELICON WAVE 700077 3% 74% 32 Search HELICON+WAVE Search HELICON+WAVE
2 HELICON 585913 3% 59% 34 Search HELICON Search HELICON
3 HELICON PLASMA 476233 3% 60% 27 Search HELICON+PLASMA Search HELICON+PLASMA
4 HELICON DISCHARGE 198435 1% 75% 9 Search HELICON+DISCHARGE Search HELICON+DISCHARGE
5 MAGNETIC NOZZLE 183169 1% 69% 9 Search MAGNETIC+NOZZLE Search MAGNETIC+NOZZLE
6 HELICON THRUSTER 176391 1% 100% 6 Search HELICON+THRUSTER Search HELICON+THRUSTER
7 PLASMA THRUSTER 136803 1% 42% 11 Search PLASMA+THRUSTER Search PLASMA+THRUSTER
8 HELICON SOURCE 130952 1% 64% 7 Search HELICON+SOURCE Search HELICON+SOURCE
9 HYBRID RF DISCHARGE 117594 0% 100% 4 Search HYBRID+RF+DISCHARGE Search HYBRID+RF+DISCHARGE
10 M0 MODE 88195 0% 100% 3 Search M0+MODE Search M0+MODE

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 37861 NEUTRAL LOOP DISCHARGE//MAGNETIC NEUTRAL LINE//ELECTRON MEANDERING MOTION
2 32877 LEUVEN MATH MODELLING COMPUTAT SCI LMCC//PLASMA HOLE//CHARGE EXHANGE INTERACTION
3 23967 ELECT PROP PLASMA DYNAM//ARCJET THRUSTER//ARCJET
4 741 PLASMA SOURCES SCIENCE & TECHNOLOGY//CAPACITIVELY COUPLED PLASMA//PLASMA ATOM PHYS
5 14922 ELECTROSTATIC SOLITARY WAVES//ELECTRON HOLES//INTEGRATED PLASMA STUDIES
6 5695 BOHM CRITERION//OXFORD UNIT//PLASMA SHEATHS
7 22192 SOUNDER ACCELERATED ELECTRONS//Z MODE//ACTIVE PLASMA ANTENNA
8 11639 ECR PLASMA//UNIFORM PLASMA//ELECTRON CYCLOTRON RESONANCE DISCHARGE
9 9913 HALL THRUSTER//PLASMA PROP//PLASMADYNAM ELECT PROP
10 26886 PLASMA CENTRIFUGE//ISOTOPE TRANSMUTATION ONLINE SEPARATION//PLASMA PLUGGING

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