Class information for:
Level 1: EFFICIENCY CALIBRATION//GAMMA RAY SPECTROMETRY//COINCIDENCE SUMMING

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
2058 2             APPLIED RADIATION AND ISOTOPES//GAMMA RAY SPECTROMETRY//NUCLEAR SCIENCE & TECHNOLOGY 5678
8366 1                   EFFICIENCY CALIBRATION//GAMMA RAY SPECTROMETRY//COINCIDENCE SUMMING 1290

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 EFFICIENCY CALIBRATION authKW 1447662 6% 74% 80
2 GAMMA RAY SPECTROMETRY authKW 1309944 15% 28% 195
3 COINCIDENCE SUMMING authKW 1131011 4% 93% 50
4 HPGE DETECTOR authKW 809320 8% 32% 102
5 TRUE COINCIDENCE SUMMING authKW 687090 2% 94% 30
6 SELF ATTENUATION authKW 555275 2% 78% 29
7 FULL ENERGY PEAK EFFICIENCY authKW 541215 2% 92% 24
8 GAMMA SPECTROMETRY authKW 474742 8% 18% 108
9 COINCIDENCE SUMMING CORRECTIONS authKW 465331 2% 95% 20
10 EFFICIENCY TRANSFER authKW 392235 1% 94% 17

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Nuclear Science & Technology 103796 82% 0% 1054
2 Chemistry, Inorganic & Nuclear 17984 42% 0% 536
3 Radiology, Nuclear Medicine & Medical Imaging 10323 35% 0% 450
4 Instruments & Instrumentation 8731 26% 0% 338
5 Physics, Nuclear 8183 23% 0% 303
6 Spectroscopy 7280 21% 0% 268
7 Physics, Particles & Fields 4927 21% 0% 268
8 Chemistry, Analytical 1079 14% 0% 176
9 Environmental Sciences 321 9% 0% 122
10 Physics, Atomic, Molecular & Chemical 97 5% 0% 61

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 MED EQUIPMENT TECHNOL 294903 1% 93% 13
2 UNITAT FIS MED 109932 0% 75% 6
3 NUCL COMPETENCE KNOWLEDGE MANAGEMENT 87247 0% 71% 5
4 REACTOR PROJECTS 85498 1% 50% 7
5 BUNDESAMT EICH VERMESSUNGSWESEN 73290 0% 100% 3
6 HLTH PHYS BRANCHRADIAT ANAL S 73290 0% 100% 3
7 ENVIRONM RADIAT RADIOACT ASSESSMENT 48860 0% 100% 2
8 ST KLIMENT OHRIDSKY 48860 0% 100% 2
9 SERV PROTECCIO RADIOL 48856 0% 50% 4
10 MESURE RADIOACT ENVIRONM 46975 0% 38% 5

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 APPLIED RADIATION AND ISOTOPES 367421 29% 4% 370
2 NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 40418 20% 1% 263
3 JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY 36570 10% 1% 129
4 JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 12126 3% 1% 45
5 NUCLEAR TECHNOLOGY & RADIATION PROTECTION 11855 1% 3% 14
6 INTERNATIONAL JOURNAL OF APPLIED RADIATION AND ISOTOPES 9250 2% 2% 20
7 ROMANIAN REPORTS IN PHYSICS 8701 2% 2% 20
8 ROMANIAN JOURNAL OF PHYSICS 3767 1% 1% 14
9 RADIATION PHYSICS AND CHEMISTRY 3755 3% 0% 39
10 JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES 3359 2% 1% 22

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 EFFICIENCY CALIBRATION 1447662 6% 74% 80 Search EFFICIENCY+CALIBRATION Search EFFICIENCY+CALIBRATION
2 GAMMA RAY SPECTROMETRY 1309944 15% 28% 195 Search GAMMA+RAY+SPECTROMETRY Search GAMMA+RAY+SPECTROMETRY
3 COINCIDENCE SUMMING 1131011 4% 93% 50 Search COINCIDENCE+SUMMING Search COINCIDENCE+SUMMING
4 HPGE DETECTOR 809320 8% 32% 102 Search HPGE+DETECTOR Search HPGE+DETECTOR
5 TRUE COINCIDENCE SUMMING 687090 2% 94% 30 Search TRUE+COINCIDENCE+SUMMING Search TRUE+COINCIDENCE+SUMMING
6 SELF ATTENUATION 555275 2% 78% 29 Search SELF+ATTENUATION Search SELF+ATTENUATION
7 FULL ENERGY PEAK EFFICIENCY 541215 2% 92% 24 Search FULL+ENERGY+PEAK+EFFICIENCY Search FULL+ENERGY+PEAK+EFFICIENCY
8 GAMMA SPECTROMETRY 474742 8% 18% 108 Search GAMMA+SPECTROMETRY Search GAMMA+SPECTROMETRY
9 COINCIDENCE SUMMING CORRECTIONS 465331 2% 95% 20 Search COINCIDENCE+SUMMING+CORRECTIONS Search COINCIDENCE+SUMMING+CORRECTIONS
10 EFFICIENCY TRANSFER 392235 1% 94% 17 Search EFFICIENCY+TRANSFER Search EFFICIENCY+TRANSFER

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 20169 COMPTON SUPPRESSION//UNDERGROUND LABORATORY//NUCL ENGN TEACHING
2 33781 DECISION THRESHOLD//PRIMARY MEASUREMENT RESULT//BEST ESTIMATES
3 19503 RADIATION PORTAL MONITOR//AIRBORNE GAMMA SPECTROMETRY//PORTAL MONITORS
4 33543 AEROSOL ACTIVITY//AEROSOL MONITORS//AIRBORNE PARTICLE MONITORING
5 25577 ON LINE COMPRESSION//PEAK SEARCHING//ADAPTIVE ORTHOGONAL TRANSFORMS
6 7872 APPLIED RADIATION AND ISOTOPES//TDCR//RADIONUCLIDE CALIBRATOR
7 26898 FELDSPATHIC SANDSTONE//TENORM//PROTECT SAFETY
8 26758 SEGMENTED GAMMA SCANNING//TOMOGRAPHIC GAMMA SCANNING//ANGULAR DEPENDENT COUNT RATE DISTRIBUTION
9 9004 K0 NAA//JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY//K0 METHOD
10 20031 PB 210//PB 210 DATING//SEDIMENTATION RATE

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