Class information for:
Level 2: ACCELERATOR MASS SPECTROMETRY//RADIOCARBON//AMS

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
706 3       ACCELERATOR MASS SPECTROMETRY//PLAGIARISM//RADIOCARBON 6968
2946 2             ACCELERATOR MASS SPECTROMETRY//RADIOCARBON//AMS 2916
4010 1                   ACCELERATOR MASS SPECTROMETRY//AMS//RADIOCARBON 1896
16266 1                   RADIOCARBON//SUESS EFFECT//FOSSIL FUEL COMPONENT 691
28918 1                   STRIDE PERIOD//17TH CENTURY CHEMISTRY//ABT RECHTSANGELEGENHEITEN VERWERTUNG 215
35257 1                   BIOBASED CONTENT//BIOMASS CARBON RATIO//ACCELERATED MASS SPECTROMETRY 114

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ACCELERATOR MASS SPECTROMETRY authKW 1459271 9% 49% 276
2 RADIOCARBON journal 1192410 18% 20% 539
3 AMS authKW 656959 8% 28% 221
4 NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS journal 279593 31% 3% 907
5 ACCELERATOR MASS SPECTROMETRY AMS authKW 273558 2% 53% 48
6 MICRODOSING authKW 211307 1% 53% 37
7 ISOBAR SEPARATION authKW 180100 1% 83% 20
8 C 14 authKW 176051 3% 16% 102
9 HF 182 authKW 162096 1% 100% 15
10 ISOTRACE address 158993 1% 45% 33

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Nuclear Science & Technology 63102 43% 0% 1247
2 Physics, Nuclear 40736 34% 0% 1005
3 Instruments & Instrumentation 35983 35% 0% 1022
4 Physics, Atomic, Molecular & Chemical 19772 33% 0% 953
5 Geochemistry & Geophysics 17275 22% 0% 631
6 Chemistry, Analytical 584 8% 0% 220
7 Spectroscopy 325 4% 0% 103
8 Chemistry, Inorganic & Nuclear 264 4% 0% 129
9 Meteorology & Atmospheric Sciences 247 3% 0% 96
10 Environmental Sciences 239 6% 0% 185

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ISOTRACE 158993 1% 45% 33
2 ACCELERATOR MASS SPE OMETRY 139670 3% 15% 87
3 ION BEAM PHYS 98893 2% 16% 59
4 OCEAN SCI AMS IL 91305 0% 65% 13
5 AE LALONDE AMS 76844 0% 89% 8
6 CEDAD 70587 0% 47% 14
7 VERA 60906 1% 20% 28
8 YORK BIO 53195 0% 62% 8
9 VIENNA ENVIRONM ACCELERATOR 50634 1% 31% 15
10 INTERUNIV NAT SCI IL 45025 0% 83% 5

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 RADIOCARBON 1192410 18% 20% 539
2 NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS 279593 31% 3% 907
3 JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 6840 2% 1% 51
4 JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY 3761 2% 1% 63
5 INDUSTRIAL PHOTOGRAPHY 3601 0% 33% 1
6 BIOANALYSIS 3223 1% 1% 21
7 ORIGINS OF LIFE AND EVOLUTION OF THE BIOSPHERE 2594 0% 3% 8
8 TELLUS SERIES B-CHEMICAL AND PHYSICAL METEOROLOGY 1387 0% 1% 14
9 APPLIED RADIATION AND ISOTOPES 1308 1% 0% 34
10 ARCHIVO ESPANOL DE ARQUEOLOGIA 1241 0% 4% 3

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 ACCELERATOR MASS SPECTROMETRY 1459271 9% 49% 276 Search ACCELERATOR+MASS+SPECTROMETRY Search ACCELERATOR+MASS+SPECTROMETRY
2 AMS 656959 8% 28% 221 Search AMS Search AMS
3 RADIOCARBON 273995 6% 15% 168 Search RADIOCARBON Search RADIOCARBON
4 ACCELERATOR MASS SPECTROMETRY AMS 273558 2% 53% 48 Search ACCELERATOR+MASS+SPECTROMETRY+AMS Search ACCELERATOR+MASS+SPECTROMETRY+AMS
5 MICRODOSING 211307 1% 53% 37 Search MICRODOSING Search MICRODOSING
6 ISOBAR SEPARATION 180100 1% 83% 20 Search ISOBAR+SEPARATION Search ISOBAR+SEPARATION
7 C 14 176051 3% 16% 102 Search C+14 Search C+14
8 HF 182 162096 1% 100% 15 Search HF+182 Search HF+182
9 CL 36 129737 1% 34% 35 Search CL+36 Search CL+36
10 CA 41 110807 1% 49% 21 Search CA+41 Search CA+41

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 2524 PLAGIARISM//ACADEMIC DISHONESTY//IODINE 129
2 4224 ARHEOLOSKI VESTNIK//ULTRAHIGH CARBON STEEL//ARHEOL
3 3655 PHOTON INDUCED PROC//NUCLEAR EXCITATION//NUCLEAR ISOMERS
4 2565 TRITIUM//FUSION SCIENCE AND TECHNOLOGY//FUSION TECHNOLOGY
5 1656 TOF SIMS//SURFACE AND INTERFACE ANALYSIS//SIMS
6 100 ARCHAEOLOGY//ANTHROPOLOGY//JOURNAL OF ARCHAEOLOGICAL SCIENCE
7 647 JOURNAL OF ENVIRONMENTAL RADIOACTIVITY//CHERNOBYL//CS 137
8 825 NITROUS OXIDE//GREENHOUSE GASES//N2O EMISSION
9 2151 CARBON ISOTOPE DISCRIMINATION//GEOGRAPHICAL ORIGIN//SNIF NMR
10 1804 REVIEW OF SCIENTIFIC INSTRUMENTS//ION SOURCE//NEGATIVE ION SOURCE

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