Class information for:
Level 1: SNIF NMR//IRMS//GEOGRAPHICAL ORIGIN

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
25 3       FORESTRY//FOREST ECOLOGY AND MANAGEMENT//CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE 117839
2151 2             CARBON ISOTOPE DISCRIMINATION//GEOGRAPHICAL ORIGIN//SNIF NMR 5345
10460 1                   SNIF NMR//IRMS//GEOGRAPHICAL ORIGIN 1091

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SNIF NMR authKW 924350 4% 80% 40
2 IRMS authKW 597066 6% 34% 61
3 GEOGRAPHICAL ORIGIN authKW 442151 7% 19% 80
4 LAIEM address 361055 2% 50% 25
5 ORIGIN ASSIGNMENT authKW 194979 1% 75% 9
6 ISOTOPE RATIO MASS SPECTROMETRY authKW 177272 3% 17% 37
7 ISOTOPE RATIO MASS SPECTROMETRY IRMS authKW 146435 2% 30% 17
8 INTRAMOLECULAR ISOTOPE DISTRIBUTION authKW 144432 0% 100% 5
9 ISOTOPIC C 13 NMR authKW 120358 0% 83% 5
10 C 13 IRMS authKW 115546 0% 100% 4

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Food Science & Technology 14352 42% 0% 457
2 Chemistry, Applied 6525 23% 0% 255
3 Chemistry, Analytical 6014 32% 0% 353
4 Agriculture, Multidisciplinary 4622 14% 0% 151
5 Spectroscopy 2213 13% 0% 139
6 Biochemical Research Methods 1470 13% 0% 141
7 Nutrition & Dietetics 1113 9% 0% 98
8 Agriculture, Dairy & Animal Science 59 2% 0% 24
9 Chemistry, Inorganic & Nuclear 35 3% 0% 34
10 Medicine, Legal 27 1% 0% 7

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 LAIEM 361055 2% 50% 25
2 ANAL RIC 103163 0% 71% 5
3 PHYS CHEM EXPOSURE UNITBEVABS 103163 0% 71% 5
4 UNIT INTERDISCIPLINARY CHEM SYNTH ANAL MODELLING 94532 1% 55% 6
5 STABILE ISOTOPE 90266 0% 63% 5
6 CEAIS 86659 0% 100% 3
7 UMR CNRS6230 86659 0% 100% 3
8 ELUCIDAT BIOSYNTH ISOTOP SPE OMETRY GRP 80369 1% 35% 8
9 UMR 6006 74261 1% 21% 12
10 CNRS UMR6006 64993 0% 75% 3

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 RAPID COMMUNICATIONS IN MASS SPECTROMETRY 23014 8% 1% 85
2 JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 13801 12% 0% 129
3 ISOTOPES IN ENVIRONMENTAL AND HEALTH STUDIES 12120 2% 2% 18
4 FOOD CHEMISTRY 8422 7% 0% 80
5 ZEITSCHRIFT FUR LEBENSMITTEL-UNTERSUCHUNG UND-FORSCHUNG A-FOOD RESEARCH AND TECHNOLOGY 5648 1% 2% 9
6 BRAUWISSENSCHAFT 4125 0% 14% 1
7 JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS 4018 2% 1% 19
8 ZEITSCHRIFT FUR LEBENSMITTEL-UNTERSUCHUNG UND-FORSCHUNG 3620 1% 1% 15
9 EUROPEAN FOOD RESEARCH AND TECHNOLOGY 3131 2% 1% 21
10 JOURNAL OF AOAC INTERNATIONAL 2967 2% 0% 23

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 SNIF NMR 924350 4% 80% 40 Search SNIF+NMR Search SNIF+NMR
2 IRMS 597066 6% 34% 61 Search IRMS Search IRMS
3 GEOGRAPHICAL ORIGIN 442151 7% 19% 80 Search GEOGRAPHICAL+ORIGIN Search GEOGRAPHICAL+ORIGIN
4 ORIGIN ASSIGNMENT 194979 1% 75% 9 Search ORIGIN+ASSIGNMENT Search ORIGIN+ASSIGNMENT
5 ISOTOPE RATIO MASS SPECTROMETRY 177272 3% 17% 37 Search ISOTOPE+RATIO+MASS+SPECTROMETRY Search ISOTOPE+RATIO+MASS+SPECTROMETRY
6 ISOTOPE RATIO MASS SPECTROMETRY IRMS 146435 2% 30% 17 Search ISOTOPE+RATIO+MASS+SPECTROMETRY+IRMS Search ISOTOPE+RATIO+MASS+SPECTROMETRY+IRMS
7 INTRAMOLECULAR ISOTOPE DISTRIBUTION 144432 0% 100% 5 Search INTRAMOLECULAR+ISOTOPE+DISTRIBUTION Search INTRAMOLECULAR+ISOTOPE+DISTRIBUTION
8 ISOTOPIC C 13 NMR 120358 0% 83% 5 Search ISOTOPIC+C+13+NMR Search ISOTOPIC+C+13+NMR
9 C 13 IRMS 115546 0% 100% 4 Search C+13+IRMS Search C+13+IRMS
10 EU WINE DATABANK 86659 0% 100% 3 Search EU+WINE+DATABANK Search EU+WINE+DATABANK

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 10800 WINE//WINE CLASSIFICATION//GEOGRAPHICAL ORIGIN
2 25092 VANILLA PLANIFOLIA//VANILLA//VANILLIN
3 37352 FRUIT BAGASSE//STARCH BIOPOLYMERS//FLUSSIGES OBST
4 14473 ISOTOPE BIOGEOCHEM//CHLORINE ISOTOPES//CHLORINE STABLE ISOTOPES
5 23805 CLUMPED ISOTOPES//CLUMPED ISOTOPE THERMOMETRY//CLUMPED ISOTOPE GEOCHEMISTRY
6 23789 MIGRATORY CONNECTIVITY//ISOSCAPE//STABLE HYDROGEN ISOTOPES
7 19385 SECT METABOL//TRAPPIST BEER//SECT METABOLOM
8 35257 BIOBASED CONTENT//BIOMASS CARBON RATIO//ACCELERATED MASS SPECTROMETRY
9 24938 ISOPROPYLHYDRAZINE//PHARMACOL RE6640//PHYS PHARMACEUT CHEM 14321 HORINOUCHI
10 35406 ANIMALS WITH LOW OR HIGH RESISTANCE TO HYPOXIA//ANTIOXIDANTS WITH REDOX PROPERTIES//ASYMMETRIC CARBON CENTER

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