Class information for:
Level 1: SUPERSONIC JET SPECTROMETRY//SINGLE PHOTON IONIZATION//ABT UMWELT PROZES EM

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
10826 964 29.8 60%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
192 20771 JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY//RAPID COMMUNICATIONS IN MASS SPECTROMETRY//INTERNATIONAL JOURNAL OF MASS SPECTROMETRY

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 SUPERSONIC JET SPECTROMETRY Author keyword 15 82% 1% 9
2 SINGLE PHOTON IONIZATION Author keyword 13 47% 2% 20
3 ABT UMWELT PROZES EM Address 8 60% 1% 9
4 LASER MASS SPECTROMETRY Author keyword 6 32% 2% 15
5 LASER DESORPTION Author keyword 5 16% 3% 27
6 PHOTO IONISATION Author keyword 4 67% 0% 4
7 MACHINERY HEADQUARTERS Address 4 75% 0% 3
8 MULTIPHOTON IONIZATION MASS SPECTROMETRY Author keyword 4 75% 0% 3
9 REMPI TOFMS Author keyword 4 56% 1% 5
10 RESONANCE ENHANCED MULTIPHOTON IONIZATION Author keyword 3 22% 1% 13

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class		 LCSH search Wikipedia search
1 SUPERSONIC JET SPECTROMETRY 15 82% 1% 9 Search SUPERSONIC+JET+SPECTROMETRY Search SUPERSONIC+JET+SPECTROMETRY
2 SINGLE PHOTON IONIZATION 13 47% 2% 20 Search SINGLE+PHOTON+IONIZATION Search SINGLE+PHOTON+IONIZATION
3 LASER MASS SPECTROMETRY 6 32% 2% 15 Search LASER+MASS+SPECTROMETRY Search LASER+MASS+SPECTROMETRY
4 LASER DESORPTION 5 16% 3% 27 Search LASER+DESORPTION Search LASER+DESORPTION
5 PHOTO IONISATION 4 67% 0% 4 Search PHOTO+IONISATION Search PHOTO+IONISATION
6 MULTIPHOTON IONIZATION MASS SPECTROMETRY 4 75% 0% 3 Search MULTIPHOTON+IONIZATION+MASS+SPECTROMETRY Search MULTIPHOTON+IONIZATION+MASS+SPECTROMETRY
7 REMPI TOFMS 4 56% 1% 5 Search REMPI+TOFMS Search REMPI+TOFMS
8 RESONANCE ENHANCED MULTIPHOTON IONIZATION 3 22% 1% 13 Search RESONANCE+ENHANCED+MULTIPHOTON+IONIZATION Search RESONANCE+ENHANCED+MULTIPHOTON+IONIZATION
9 PHOTOEMISSION ELECTRON 3 100% 0% 3 Search PHOTOEMISSION+ELECTRON Search PHOTOEMISSION+ELECTRON
10 JET REMPI 3 50% 0% 4 Search JET+REMPI Search JET+REMPI

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 SINGLE PHOTON IONIZATION 34 45% 6% 58
2 ISOMER SELECTIVE IONIZATION 24 91% 1% 10
3 JET REMPI 21 75% 2% 15
4 COMPLEX GAS MIXTURES 16 64% 2% 16
5 SELECTIVE IONIZATION 11 78% 1% 7
6 ON SITE ANALYSIS 9 55% 1% 12
7 PHOTOELECTRON IONIZATION 9 83% 1% 5
8 VACUUM ULTRAVIOLET LAMP 9 83% 1% 5
9 EXCIMER LIGHT 9 52% 1% 12
10 PULSED LASER DESORPTION 8 60% 1% 9

Journals

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
Photo-ionisation mass spectrometry as detection method for gas chromatography - Optical selectivity and multidimensional comprehensive separations 2008 9 70 70%
Ion sources for mass spectrometric identification and imaging of molecular species 2014 6 114 21%
REFLECTRON TIME-OF-FLIGHT MASS-SPECTROMETRY AND LASER EXCITATION FOR THE ANALYSIS OF NEUTRALS, IONIZED MOLECULES AND SECONDARY FRAGMENTS 1992 102 47 43%
Sensitive and selective analysis of polychlorinated dibenzo-p-dioxins/dibenzofurans and their precursors by supersonic jet/resonance-enhanced multiphoton ionization/time-of-flight mass spectrometry 2005 10 62 81%
Real-time measurements of polychlorinated biphenyls using laser ionization time-of-flight mass spectrometry 2004 6 28 75%
Recent developments in synchrotron vacuum ultraviolet photoionization coupled to mass spectrometry 2011 7 68 28%
Recent Progress of Two-step Laser Desorption/Laser Ionization Mass Spectrometry and Its Application 2011 2 58 48%
Surface mass spectrometry of molecular species 1999 54 96 27%
IN-SITU ANALYSIS OF SURFACES AND MIXTURES BY LASER-DESORPTION MASS-SPECTROMETRY 1995 47 134 27%
ANALYTICAL MULTIPHOTON IONIZATION MASS-SPECTROMETRY .1. THEORY AND INSTRUMENTATION 1988 49 74 65%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 ABT UMWELT PROZES EM 8 60% 0.9% 9
2 MACHINERY HEADQUARTERS 4 75% 0.3% 3
3 JOINT MASS SPE OMETRY 3 18% 1.7% 16
4 LEHRSTUHL PHYS CHEM ANALYT 2 40% 0.4% 4
5 OKOL CHEM 2 10% 1.9% 18
6 LEHRSTUHL OKOL CHEM UMWELTANALYT 2 16% 1.0% 10
7 COOPERAT GRP COMPREHENS MOL ANALYT CMA 2 43% 0.3% 3
8 FED CRIMINAL POLICE OFF BKA 1 100% 0.2% 2
9 KOOPERAT GRP ANALYT KOMPLEXER MOL SYST 1 100% 0.2% 2
10 CHAIR OURCE STRATEGY 1 33% 0.2% 2

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000160226 SUR E THIN FILM ANAL IFOS//SNMS//POST IONIZATION
2 0.0000146176 ION MIRROR//ORTHOGONAL ACCELERATION//TIME OF FLIGHT DESIGN
3 0.0000107628 V 2 BARRIER//HEXANITROSTILBENE HNS//LASER PHOTOFRAGMENTATION
4 0.0000107354 ATMOSPHERIC PRESSURE PHOTOIONIZATION//APLI//ATMOSPHERIC PRESSURE LASER IONIZATION
5 0.0000100819 AB INITIO THEORETICAL CALCULATION//BORON 11//EFFECTIVE INSTRUMENT FUNCTION
6 0.0000094554 CREAT INITIAT CONTROL REACT DYNAM//ZEKE SPECTROSCOPY//INVERSE BORN OPPENHEIMER APPROXIMATION
7 0.0000091691 SINGLE PARTICLE MASS SPECTROMETRY//ATOFMS//AERODYNAMIC LENS
8 0.0000091344 BIOPROSPECCAO BIOTECNOL COORDENACAO TECNOL//HYPSOCHROMIC//CONSORZIO INTERUNIV NAZL SCI TECNOL MAT
9 0.0000085059 LAMMS//LASER MICROPROBE MASS SPECTROMETRY//FOURIER TRANSFORM LASER MICROPROBE MASS SPECTROMETRY
10 0.0000077200 S ESPECT BIOESPECT//ESPE OSCOPIA BIOESPE OSCOPIA//S ESPE OSCOPIA BIOESPE OSCOPIA