Class information for:
Level 1: PLUTONIUM//U 236//PU239240

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
3 4 GEOSCIENCES, MULTIDISCIPLINARY//GEOCHEMISTRY & GEOPHYSICS//METEOROLOGY & ATMOSPHERIC SCIENCES 1953906
352 3       JOURNAL OF ENVIRONMENTAL RADIOACTIVITY//HEALTH PHYSICS//RADON 36441
647 2             JOURNAL OF ENVIRONMENTAL RADIOACTIVITY//CHERNOBYL//CS 137 13941
2582 1                   PLUTONIUM//U 236//PU239240 2235

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PLUTONIUM authKW 818778 13% 21% 281
2 U 236 authKW 374489 1% 80% 33
3 PU239240 authKW 293664 1% 77% 27
4 PLUTONIUM ISOTOPES authKW 264746 1% 72% 26
5 NAKAMINATO MARINE RADIOECOL address 233585 1% 61% 27
6 ALPHA SPECTROMETRY authKW 224106 3% 22% 71
7 EXTRACTION CHROMATOGRAPHY authKW 220432 3% 23% 67
8 JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY journal 214946 18% 4% 411
9 PU ISOTOPES authKW 212075 1% 79% 19
10 PU 240 PU 239 ATOM RATIO authKW 198275 1% 94% 15

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Nuclear Science & Technology 62733 49% 0% 1086
2 Chemistry, Inorganic & Nuclear 23385 36% 0% 808
3 Chemistry, Analytical 19052 40% 0% 890
4 Environmental Sciences 7701 29% 0% 656
5 Radiology, Nuclear Medicine & Medical Imaging 2271 13% 0% 298
6 Spectroscopy 1284 7% 0% 159
7 Physics, Nuclear 426 5% 0% 106
8 Public, Environmental & Occupational Health 364 7% 0% 148
9 Instruments & Instrumentation 252 4% 0% 94
10 Oceanography 170 2% 0% 54

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 NAKAMINATO MARINE RADIOECOL 233585 1% 61% 27
2 ENVIRONM RADIAT EFFECTS GRP 140705 1% 43% 23
3 ANALYT ENVIRONM RADIOCHEM CHAIR 114206 0% 90% 9
4 VERA 91246 1% 22% 30
5 BIOSPHER ASSESSMENT WASTE DISPOSAL TEAM 86359 0% 88% 7
6 ISOTOPE OCEANOG 70498 0% 100% 5
7 PL NUCL PHYS GRP 56391 0% 50% 8
8 RADIOCHIM RADIOECOL 49342 0% 50% 7
9 RADIOCHEM ANAL 45117 0% 80% 4
10 RADIOECOL 43643 1% 11% 28

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY 214946 18% 4% 411
2 JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 186946 10% 6% 232
3 JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES 52511 5% 3% 114
4 APPLIED RADIATION AND ISOTOPES 25973 6% 1% 130
5 RADIOCHIMICA ACTA 24784 4% 2% 85
6 JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY 13188 3% 1% 76
7 HEALTH PHYSICS 13007 3% 1% 76
8 RADIOCHEMISTRY 5556 1% 2% 16
9 RADIATION PROTECTION DOSIMETRY 5544 3% 1% 64
10 SCIENCE OF THE TOTAL ENVIRONMENT 5190 4% 0% 91

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PLUTONIUM 818778 13% 21% 281 Search PLUTONIUM Search PLUTONIUM
2 U 236 374489 1% 80% 33 Search U+236 Search U+236
3 PU239240 293664 1% 77% 27 Search PU239240 Search PU239240
4 PLUTONIUM ISOTOPES 264746 1% 72% 26 Search PLUTONIUM+ISOTOPES Search PLUTONIUM+ISOTOPES
5 ALPHA SPECTROMETRY 224106 3% 22% 71 Search ALPHA+SPECTROMETRY Search ALPHA+SPECTROMETRY
6 EXTRACTION CHROMATOGRAPHY 220432 3% 23% 67 Search EXTRACTION+CHROMATOGRAPHY Search EXTRACTION+CHROMATOGRAPHY
7 PU ISOTOPES 212075 1% 79% 19 Search PU+ISOTOPES Search PU+ISOTOPES
8 PU 240 PU 239 ATOM RATIO 198275 1% 94% 15 Search PU+240+PU+239+ATOM+RATIO Search PU+240+PU+239+ATOM+RATIO
9 GLOBAL FALLOUT 197601 1% 48% 29 Search GLOBAL+FALLOUT Search GLOBAL+FALLOUT
10 PU 241 126885 1% 60% 15 Search PU+241 Search PU+241

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 20613 NUCLEAR FORENSICS//URANIUM ORE CONCENTRATE//URANIUM PARTICLES
2 15469 PLASTIC SCINTILLATION//SR 90//STRONTIUM 90
3 20274 SELLAFIELD//EU INGN TECN AGR//IRISH SEA
4 13610 FUKUSHIMA ACCIDENT//FUKUSHIMA//FUKUSHIMA DAI ICHI NUCLEAR POWER PLANT ACCIDENT
5 37465 LEACHING OF RA AND TH ISOTOPES//OGOYA MINE//SCI METHODS DATA FUS SECT
6 12832 ALPHA PARTICLE SPECTROMETRY//ALPHA SPECTROMETRY//SOLID ANGLE
7 20031 PB 210//PB 210 DATING//SEDIMENTATION RATE
8 31460 NUCL REACT NUCL MED//LIFE EXTINCTION//RADIOISOTOPES OF NEPTUNIUM AND PLUTONIUM
9 29354 IIIT BASARA//NUCLEAR GRADE URANIUM//SPENT PWR FUELS
10 1460 RADIOCAESIUM//RADIOCESIUM//JOURNAL OF ENVIRONMENTAL RADIOACTIVITY

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