Class information for:
Level 1: PHOTOACOUSTIC SPECTROSCOPY//PHOTOACOUSTIC//PHOTOACOUSTIC PHASE

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
1 4 PHYSICS, CONDENSED MATTER//PHYSICS, APPLIED//MATERIALS SCIENCE, MULTIDISCIPLINARY 2188495
515 3       THERMAL CONDUCTIVITY//THERMAL DIFFUSIVITY//PHONON TRANSPORT 21578
1483 2             THERMAL LENS SPECTROMETRY//INFRARED THERMOGRAPHY//PULSED THERMOGRAPHY 7880
9030 1                   PHOTOACOUSTIC SPECTROSCOPY//PHOTOACOUSTIC//PHOTOACOUSTIC PHASE 1224

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PHOTOACOUSTIC SPECTROSCOPY authKW 334036 7% 14% 91
2 PHOTOACOUSTIC authKW 110809 5% 8% 56
3 PHOTOACOUSTIC PHASE authKW 102990 0% 100% 4
4 STEP SCAN FT IR authKW 90665 1% 39% 9
5 CO2 SOLUBILIZATION authKW 77242 0% 100% 3
6 PAS FT IR authKW 77242 0% 100% 3
7 PHOTOACOUSTIC FOURIER TRANSFORM INFRARED SPECTROSCOPY authKW 57930 0% 75% 3
8 MOLECULAR LEVEL ADHESION authKW 51495 0% 100% 2
9 PHASE RESOLVED DEPTH PROFILING authKW 51495 0% 100% 2
10 PHOTOACOUSTIC CELL EFFECTS authKW 51495 0% 100% 2

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Spectroscopy 4458 17% 0% 206
2 Instruments & Instrumentation 2638 15% 0% 186
3 Chemistry, Analytical 1199 15% 0% 179
4 Biophysics 390 7% 0% 91
5 Chemistry, Physical 247 13% 0% 153
6 Plant Sciences 233 8% 0% 93
7 Optics 172 6% 0% 78
8 Physics, Applied 152 10% 0% 125
9 Physics, Multidisciplinary 136 7% 0% 80
10 Acoustics 44 1% 0% 18

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 MED PHARMACEUT SCIKASUMI 123MINAMI KU 34329 0% 67% 2
2 ABSORPT ATMOSPHER SPECT 25747 0% 100% 1
3 CANMET EDMONTON COAL 25747 0% 100% 1
4 COMPUTAT SCI COURSE 25747 0% 100% 1
5 ENGN PL SCI MECH AERONAUT ENGN 25747 0% 100% 1
6 GORLAEUS S PHYS MACROMOL CHEM 25747 0% 100% 1
7 IST PESQUISA DESENVOLVIMENTO 25747 0% 100% 1
8 LASER PL OPT 25747 0% 100% 1
9 LEO UT 25747 0% 100% 1
10 SC C 25747 0% 100% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 APPLIED SPECTROSCOPY 38515 9% 1% 112
2 PHOTOSYNTHESIS RESEARCH 11712 3% 1% 39
3 SPECTROSCOPY LETTERS 11198 3% 1% 38
4 INSTRUMENTATION SCIENCE & TECHNOLOGY 4339 1% 1% 13
5 INFRARED PHYSICS 3003 1% 1% 11
6 SPECTROCHIMICA ACTA REVIEWS 1977 0% 4% 2
7 JOURNAL DE PHYSIQUE 1790 2% 0% 26
8 CHEMICAL BIOMEDICAL AND ENVIRONMENTAL INSTRUMENTATION 1511 0% 3% 2
9 PHOTOCHEMISTRY AND PHOTOBIOLOGY 1306 2% 0% 21
10 CANADIAN JOURNAL OF APPLIED SPECTROSCOPY 1260 0% 2% 3

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PHOTOACOUSTIC SPECTROSCOPY 334036 7% 14% 91 Search PHOTOACOUSTIC+SPECTROSCOPY Search PHOTOACOUSTIC+SPECTROSCOPY
2 PHOTOACOUSTIC 110809 5% 8% 56 Search PHOTOACOUSTIC Search PHOTOACOUSTIC
3 PHOTOACOUSTIC PHASE 102990 0% 100% 4 Search PHOTOACOUSTIC+PHASE Search PHOTOACOUSTIC+PHASE
4 STEP SCAN FT IR 90665 1% 39% 9 Search STEP+SCAN+FT+IR Search STEP+SCAN+FT+IR
5 CO2 SOLUBILIZATION 77242 0% 100% 3 Search CO2+SOLUBILIZATION Search CO2+SOLUBILIZATION
6 PAS FT IR 77242 0% 100% 3 Search PAS+FT+IR Search PAS+FT+IR
7 PHOTOACOUSTIC FOURIER TRANSFORM INFRARED SPECTROSCOPY 57930 0% 75% 3 Search PHOTOACOUSTIC+FOURIER+TRANSFORM+INFRARED+SPECTROSCOPY Search PHOTOACOUSTIC+FOURIER+TRANSFORM+INFRARED+SPECTROSCOPY
8 MOLECULAR LEVEL ADHESION 51495 0% 100% 2 Search MOLECULAR+LEVEL+ADHESION Search MOLECULAR+LEVEL+ADHESION
9 PHASE RESOLVED DEPTH PROFILING 51495 0% 100% 2 Search PHASE+RESOLVED+DEPTH+PROFILING Search PHASE+RESOLVED+DEPTH+PROFILING
10 PHOTOACOUSTIC CELL EFFECTS 51495 0% 100% 2 Search PHOTOACOUSTIC+CELL+EFFECTS Search PHOTOACOUSTIC+CELL+EFFECTS

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 2164 THERMAL EFFUSIVITY//PHOTOPYROELECTRIC TECHNIQUE//THERMAL DIFFUSIVITY
2 29930 MULTILAYER MEMBRANE SYSTEM//ECOLE SCI PL TANGER//EEIE
3 35638 DYE FLUORESCENT PH INDICATING//PH CYTOSOL VACUOLE//PHOTOSYNTHESIS C 3 AND C 4 PLANTS
4 21553 FIRE RADIOMETER//INFRARED EMISSION SPECTROMETRY//VT DRIFTS
5 37985 CHEM ELE OCHEM TECHNOL//DISCONTINUOUS CRACK GROWTH//MECAN PHYS POLYME SOLIDES
6 9301 THERMAL LENS SPECTROMETRY//THERMAL LENS//THERMAL LENS MICROSCOPE
7 24510 TRANSIENT REFLECTING GRATING//LASER STIMULATED SCATTERING MICROSCOPE//SAW WAVEGUIDE
8 35220 TEMPERATURE SCANNING//KATEDRZE ENERGETYKI SRODKOW TRANSPORTU//FT IR PAS
9 38712 GOMEL ENGINEER//BESSEL LIGHT BEAM NONLINEAR CRYSTAL//ELECTRON HOLE DIFFUSION
10 12319 QUARTZ ENHANCED PHOTOACOUSTIC SPECTROSCOPY//PHOTOACOUSTIC SPECTROSCOPY//LASER PHOTOACOUSTIC SPECTROSCOPY

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