Class information for:
Level 1: PHOTOACOUSTIC RAMAN SPECTROSCOPY//MICRO LASER RAMAN SPECTROSCOPY//ACID RADICAL IONS

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
18 4 CHEMISTRY, ANALYTICAL//TOXICOLOGY//ENVIRONMENTAL SCIENCES 697102
364 3       APPLIED SPECTROSCOPY//CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS//NEAR INFRARED SPECTROSCOPY 35517
1538 2             RAMAN SPECTROSCOPY//APPLIED SPECTROSCOPY//ASTROBIOL EXTREMOPHILES 7693
27574 1                   PHOTOACOUSTIC RAMAN SPECTROSCOPY//MICRO LASER RAMAN SPECTROSCOPY//ACID RADICAL IONS 246

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PHOTOACOUSTIC RAMAN SPECTROSCOPY authKW 341643 2% 67% 4
2 MICRO LASER RAMAN SPECTROSCOPY authKW 288262 1% 75% 3
3 ACID RADICAL IONS authKW 256234 1% 100% 2
4 CAVITY ENHANCED RAMAN SPECTROSCOPY authKW 256234 1% 100% 2
5 ECOL RUMENTAT address 256234 1% 100% 2
6 H2O CH4 NACL SYSTEM authKW 256234 1% 100% 2
7 METHANE ANALYSIS authKW 256234 1% 100% 2
8 HIGH PRESSURE OPTICAL CELL authKW 170821 1% 67% 2
9 ANALYTIC TECHNIQUES authKW 128117 0% 100% 1
10 AQUEO CARBONIC FLUID INCLUSIONS authKW 128117 0% 100% 1

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Spectroscopy 2280 26% 0% 65
2 Geochemistry & Geophysics 762 16% 0% 39
3 Instruments & Instrumentation 679 17% 0% 42
4 Optics 445 19% 0% 46
5 Mineralogy 185 4% 0% 10
6 Chemistry, Analytical 135 11% 0% 28
7 Oceanography 28 3% 0% 7
8 Physics, Applied 23 9% 0% 23
9 Engineering, Ocean 20 1% 0% 2
10 Limnology 8 1% 0% 2

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ECOL RUMENTAT 256234 1% 100% 2
2 CHIM THEOR PHYS CHIM MOLFR IPREM 2606 128117 0% 100% 1
3 ESTEP 128117 0% 100% 1
4 HIROSHIMA NISHI KU 128117 0% 100% 1
5 IMMEUBLE TOKI LANA 128117 0% 100% 1
6 M EX MAT PROCESSES 128117 0% 100% 1
7 PARQUE CIENT UNIV VALLADOLID 128117 0% 100% 1
8 SUBMARINE GEOSCI EXPLORTING TECHNOL 128117 0% 100% 1
9 UMR G2R GREGU 128117 0% 100% 1
10 EQUIPE INTERACT FLUIDES MINERAUX 64058 0% 50% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 APPLIED SPECTROSCOPY 8803 10% 0% 24
2 TECHNISCHES MESSEN 4324 2% 1% 5
3 JOURNAL OF RAMAN SPECTROSCOPY 2613 4% 0% 11
4 JOURNAL OF APPLIED SPECTROSCOPY 2263 2% 0% 5
5 SPECTROSCOPY 2094 2% 0% 4
6 REVIEWS IN AQUATIC SCIENCES 1706 0% 1% 1
7 CHEMICAL GEOLOGY 1636 4% 0% 10
8 GEOCHIMICA ET COSMOCHIMICA ACTA 1633 5% 0% 13
9 SPECTROSCOPY AND SPECTRAL ANALYSIS 1198 4% 0% 10
10 LASER PHYSICS 992 2% 0% 6

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PHOTOACOUSTIC RAMAN SPECTROSCOPY 341643 2% 67% 4 Search PHOTOACOUSTIC+RAMAN+SPECTROSCOPY Search PHOTOACOUSTIC+RAMAN+SPECTROSCOPY
2 MICRO LASER RAMAN SPECTROSCOPY 288262 1% 75% 3 Search MICRO+LASER+RAMAN+SPECTROSCOPY Search MICRO+LASER+RAMAN+SPECTROSCOPY
3 ACID RADICAL IONS 256234 1% 100% 2 Search ACID+RADICAL+IONS Search ACID+RADICAL+IONS
4 CAVITY ENHANCED RAMAN SPECTROSCOPY 256234 1% 100% 2 Search CAVITY+ENHANCED+RAMAN+SPECTROSCOPY Search CAVITY+ENHANCED+RAMAN+SPECTROSCOPY
5 H2O CH4 NACL SYSTEM 256234 1% 100% 2 Search H2O+CH4+NACL+SYSTEM Search H2O+CH4+NACL+SYSTEM
6 METHANE ANALYSIS 256234 1% 100% 2 Search METHANE+ANALYSIS Search METHANE+ANALYSIS
7 HIGH PRESSURE OPTICAL CELL 170821 1% 67% 2 Search HIGH+PRESSURE+OPTICAL+CELL Search HIGH+PRESSURE+OPTICAL+CELL
8 ANALYTIC TECHNIQUES 128117 0% 100% 1 Search ANALYTIC+TECHNIQUES Search ANALYTIC+TECHNIQUES
9 AQUEO CARBONIC FLUID INCLUSIONS 128117 0% 100% 1 Search AQUEO+CARBONIC+FLUID+INCLUSIONS Search AQUEO+CARBONIC+FLUID+INCLUSIONS
10 ATMOSPHERIC AND ENVIRONMENTAL GAS DETECTION 128117 0% 100% 1 Search ATMOSPHERIC+AND+ENVIRONMENTAL+GAS+DETECTION Search ATMOSPHERIC+AND+ENVIRONMENTAL+GAS+DETECTION

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 18451 HYDRATES FLOW ASSURANCE PHASE EQUILIBRIA//CO2 H2O//CARBON DIOXIDE WATER
2 23400 ASTROBIOL EXTREMOPHILES//AREA GEODINAM INTERNA//GEOCHEM MINERAL MINERAL OURCES
3 28084 REG PONTS CHAUSSEES NANCY//SALTED SOLUTION//THE SPECTRAL BAND SHAPE
4 32647 ACOUSTIC GAS SENSOR//EFFECTIVE RELAXATION AREA//EFFECTIVE SPECIFIC HEAT CAPACITY
5 38501 CAVITY ENHANCED DETECTION//ENS PSLCNRSCDF//FIBER TIP CAVITY
6 19179 RAMAN LASER FIBER OPTICS//APPLIED SPECTROSCOPY//CCD RAMAN DETECTION
7 9589 COHERENT ANTI STOKES RAMAN SPECTROSCOPY//COHERENT ANTI STOKES RAMAN SCATTERING//CARS
8 2346 ECONOMIC GEOLOGY//FLUID INCLUSIONS//RESOURCE GEOLOGY
9 25802 CO2 OCEAN SEQUESTRATION//OCEAN SEQUESTRATION//MULTI SCALE OCEAN MODEL
10 6495 CONTRIBUTIONS TO MINERALOGY AND PETROLOGY//CONTACT METAMORPHISM//JOURNAL OF METAMORPHIC GEOLOGY

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