Class information for:
Level 1: LASER INDUCED BREAKDOWN SPECTROSCOPY//LIBS//LASER INDUCED BREAKDOWN SPECTROSCOPY LIBS

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
8 4 POLYMER SCIENCE//CHEMISTRY, PHYSICAL//MATERIALS SCIENCE, MULTIDISCIPLINARY 1554940
506 3       LASER INDUCED BREAKDOWN SPECTROSCOPY//LIBS//LASER ABLATION 22460
2750 2             LASER INDUCED BREAKDOWN SPECTROSCOPY//LIBS//LASER INDUCED BREAKDOWN SPECTROSCOPY LIBS 3441
470 1                   LASER INDUCED BREAKDOWN SPECTROSCOPY//LIBS//LASER INDUCED BREAKDOWN SPECTROSCOPY LIBS 3441

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 LASER INDUCED BREAKDOWN SPECTROSCOPY authKW 6335368 24% 85% 812
2 LIBS authKW 5791482 22% 82% 769
3 LASER INDUCED BREAKDOWN SPECTROSCOPY LIBS authKW 1581231 6% 85% 204
4 SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY journal 960944 22% 14% 768
5 LASER INDUCED PLASMA authKW 700636 5% 49% 156
6 LASER INDUCED PLASMA SPECTROSCOPY authKW 398528 2% 81% 54
7 DOUBLE PULSE authKW 354435 2% 65% 60
8 LASER INDUCED BREAKDOWN SPECTROMETRY authKW 305758 1% 90% 37
9 PL LASER SPECT address 232111 1% 65% 39
10 EDUC REG STUDIES address 208553 2% 42% 54

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Spectroscopy 110332 49% 1% 1670
2 Chemistry, Analytical 5763 19% 0% 640
3 Instruments & Instrumentation 3811 11% 0% 384
4 Optics 3688 15% 0% 508
5 Physics, Applied 874 13% 0% 450
6 Physics, Fluids & Plasmas 388 3% 0% 108
7 Materials Science, Coatings & Films 126 2% 0% 64
8 Biochemical Research Methods 36 2% 0% 72
9 Physics, Multidisciplinary 22 3% 0% 104
10 Archaeology 9 0% 0% 10

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PL LASER SPECT 232111 1% 65% 39
2 EDUC REG STUDIES 208553 2% 42% 54
3 PHYS MAGNETISM PHOTON GRP 183127 1% 67% 30
4 PROGRAM NUCL POWER ENERGY SAFETY ENGN 165288 1% 95% 19
5 TSINGHUA BP CLEAN ENERGY 146640 1% 52% 31
6 CHRISTIAN DOPPLER LASER ASSISTED DIAGNOST 123378 0% 84% 16
7 PROGRAM OPTOELE OTECH LASER PLICAT 119654 0% 93% 14
8 NILES 87003 1% 26% 37
9 OPT OPTOELECT 75499 1% 25% 33
10 OPT LASER SCI TECHNOL 69019 0% 54% 14

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY 960944 22% 14% 768
2 APPLIED SPECTROSCOPY 98266 9% 4% 300
3 JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY 96270 7% 4% 254
4 SPECTROSCOPY AND SPECTRAL ANALYSIS 25425 5% 2% 172
5 PLASMA SCIENCE & TECHNOLOGY 11660 2% 2% 55
6 APPLIED OPTICS 10553 6% 1% 206
7 FRONTIERS OF PHYSICS 7166 1% 4% 19
8 JOURNAL OF APPLIED SPECTROSCOPY 5409 1% 2% 29
9 SPECTROSCOPY 4503 1% 2% 22
10 ANALYTICAL AND BIOANALYTICAL CHEMISTRY 2823 2% 1% 60

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 LASER INDUCED BREAKDOWN SPECTROSCOPY 6335368 24% 85% 812 Search LASER+INDUCED+BREAKDOWN+SPECTROSCOPY Search LASER+INDUCED+BREAKDOWN+SPECTROSCOPY
2 LIBS 5791482 22% 82% 769 Search LIBS Search LIBS
3 LASER INDUCED BREAKDOWN SPECTROSCOPY LIBS 1581231 6% 85% 204 Search LASER+INDUCED+BREAKDOWN+SPECTROSCOPY+LIBS Search LASER+INDUCED+BREAKDOWN+SPECTROSCOPY+LIBS
4 LASER INDUCED PLASMA 700636 5% 49% 156 Search LASER+INDUCED+PLASMA Search LASER+INDUCED+PLASMA
5 LASER INDUCED PLASMA SPECTROSCOPY 398528 2% 81% 54 Search LASER+INDUCED+PLASMA+SPECTROSCOPY Search LASER+INDUCED+PLASMA+SPECTROSCOPY
6 DOUBLE PULSE 354435 2% 65% 60 Search DOUBLE+PULSE Search DOUBLE+PULSE
7 LASER INDUCED BREAKDOWN SPECTROMETRY 305758 1% 90% 37 Search LASER+INDUCED+BREAKDOWN+SPECTROMETRY Search LASER+INDUCED+BREAKDOWN+SPECTROMETRY
8 PLASMA CHARACTERIZATION 119856 1% 55% 24 Search PLASMA+CHARACTERIZATION Search PLASMA+CHARACTERIZATION
9 DOUBLE PULSE LIBS 119654 0% 93% 14 Search DOUBLE+PULSE+LIBS Search DOUBLE+PULSE+LIBS
10 CALIBRATION FREE LIBS 109888 0% 100% 12 Search CALIBRATION+FREE+LIBS Search CALIBRATION+FREE+LIBS

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 6872 LASER ABLATION INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY//LA ICP MS//JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
2 2276 LASER ABLATION//PULSED LASER ABLATION//PLUME EXPANSION
3 6108 STARK BROADENING//GRP RECH PHYS ATOM ASTROPHYS//ASTROPHYS ATOMES MOL
4 21253 LASER FUSION ROCKET//LASER BLOW OFF PLASMAS//LASER PRODUCED PLASMA
5 13570 LASER CLEANING//PARTICLE REMOVAL//JOURNAL OF CULTURAL HERITAGE
6 16443 LASER ENHANCED IONIZATION//LASER EXCITED ATOMIC FLUORESCENCE SPECTROMETRY//ETA LEAFS
7 9314 PLASMA ASSISTED COMBUSTION//LASER IGNITION//PLASMA ASSISTED IGNITION
8 36438 LENS MEDIA//GROUND RADAR//PHOTOGR H CONSERVAT
9 23400 ASTROBIOL EXTREMOPHILES//AREA GEODINAM INTERNA//GEOCHEM MINERAL MINERAL OURCES
10 28633 SEALED DISCHARGE//CONTINUOUS EMISSION MONITORING//ANALYSIS OF REACTIVE GASES

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