Class information for:
Level 2: METROLOGIA//ITS 90//INTERNATIONAL JOURNAL OF THERMOPHYSICS

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
2696 3346 15.3 43%


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 THERMODYNAMICS//ENERGY & FUELS//ENGINEERING, CHEMICAL 531182
661 3       METROLOGIA//JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER//RADIATIVE HEAT TRANSFER 10556
2696 2             METROLOGIA//ITS 90//INTERNATIONAL JOURNAL OF THERMOPHYSICS 3346
7039 1                   METROLOGIA//CRYOGENIC RADIOMETER//SPECTRAL RESPONSIVITY 1413
11064 1                   ITS 90//INTERNATIONAL JOURNAL OF THERMOPHYSICS//METROLOGIA 1010
21640 1                   BOLTZMANN CONSTANT//PRIMARY THERMOMETRY//ACOUSTIC THERMOMETRY 411
22831 1                   CRYOGENICS//CRYOGENIC THERMOMETERS//DIODE THERMOMETERS 367
31988 1                   ABT DIDAKTIK PHYS//CONTINUOUS LEVEL METER//CRYOGENIC CYCLE 145

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 METROLOGIA journal 1580856 21% 25% 692
2 ITS 90 authKW 681610 3% 87% 86
3 INTERNATIONAL JOURNAL OF THERMOPHYSICS journal 497771 14% 11% 480
4 RADIATION THERMOMETRY authKW 320769 2% 60% 59
5 THERMODYNAMIC TEMPERATURE authKW 288401 1% 88% 36
6 TEMPERATURE SCALE authKW 266107 1% 83% 35
7 BOLTZMANN CONSTANT authKW 214971 1% 65% 36
8 CRYOGENIC RADIOMETER authKW 203657 1% 89% 25
9 SPECTRAL RESPONSIVITY authKW 201092 1% 57% 39
10 TRAP DETECTOR authKW 200730 1% 100% 22

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 Instruments & Instrumentation 71844 46% 1% 1531
2 Physics, Applied 26568 57% 0% 1899
3 Thermodynamics 21636 21% 0% 701
4 Engineering, General 5844 10% 0% 350
5 Mechanics 5471 15% 0% 494
6 Optics 2518 13% 0% 422
7 Chemistry, Physical 1476 17% 0% 557
8 Spectroscopy 180 3% 0% 90
9 Nuclear Science & Technology 128 3% 0% 87
10 Education, Scientific Disciplines 118 1% 0% 38

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 METROL REPUBL SLOVENIA 193062 1% 92% 23
2 METROL QUAL MIRS UL FE LMK 174940 1% 91% 21
3 METROL QUAL 110579 1% 61% 20
4 METROL 79259 2% 13% 67
5 OPT ENVIRONM METROL 73417 0% 62% 13
6 OPT RADIAT TEAM 72993 0% 100% 8
7 TEMP HUMID GRP 52783 0% 64% 9
8 VNIIOFI 49672 0% 78% 7
9 OPT TECHNOL 41129 2% 7% 63
10 PHYS METROL 39970 1% 12% 37

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 METROLOGIA 1580856 21% 25% 692
2 INTERNATIONAL JOURNAL OF THERMOPHYSICS 497771 14% 11% 480
3 MEASUREMENT TECHNIQUES 63428 3% 6% 116
4 CRYOGENICS 53918 5% 3% 170
5 JOURNAL OF RESEARCH OF THE NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY 37644 2% 7% 63
6 MEASUREMENT TECHNIQUES USSR 24588 1% 6% 44
7 MAPAN-JOURNAL OF METROLOGY SOCIETY OF INDIA 22808 1% 9% 27
8 MEASUREMENT SCIENCE AND TECHNOLOGY 14071 4% 1% 119
9 APPLIED OPTICS 11486 6% 1% 212
10 PTB-MITTEILUNGEN 8495 0% 6% 16

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 ITS 90 681610 3% 87% 86 Search ITS+90 Search ITS+90
2 RADIATION THERMOMETRY 320769 2% 60% 59 Search RADIATION+THERMOMETRY Search RADIATION+THERMOMETRY
3 THERMODYNAMIC TEMPERATURE 288401 1% 88% 36 Search THERMODYNAMIC+TEMPERATURE Search THERMODYNAMIC+TEMPERATURE
4 TEMPERATURE SCALE 266107 1% 83% 35 Search TEMPERATURE+SCALE Search TEMPERATURE+SCALE
5 BOLTZMANN CONSTANT 214971 1% 65% 36 Search BOLTZMANN+CONSTANT Search BOLTZMANN+CONSTANT
6 CRYOGENIC RADIOMETER 203657 1% 89% 25 Search CRYOGENIC+RADIOMETER Search CRYOGENIC+RADIOMETER
7 SPECTRAL RESPONSIVITY 201092 1% 57% 39 Search SPECTRAL+RESPONSIVITY Search SPECTRAL+RESPONSIVITY
8 TRAP DETECTOR 200730 1% 100% 22 Search TRAP+DETECTOR Search TRAP+DETECTOR
9 RADIATION THERMOMETER 186537 1% 66% 31 Search RADIATION+THERMOMETER Search RADIATION+THERMOMETER
10 PLATINUM RESISTANCE THERMOMETER 175173 1% 80% 24 Search PLATINUM+RESISTANCE+THERMOMETER Search PLATINUM+RESISTANCE+THERMOMETER

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.


Rank Reference # ref. in
cl.		 Shr. of ref. in
cl.		 Citations
1 RUBIN, LG , (1997) CRYOGENIC THERMOMETRY: A REVIEW OF PROGRESS SINCE 1982.CRYOGENICS. VOL. 37. ISSUE 7. P. 341-356 192 60% 30
2 WOOLLIAMS, ER , ANHALT, K , BALLICO, M , BLOEMBERGEN, P , BOURSON, F , BRIAUDEAU, S , CAMPOS, J , COX, MG , DEL CAMPO, D , DONG, W , ET AL (2016) THERMODYNAMIC TEMPERATURE ASSIGNMENT TO THE POINT OF INFLECTION OF THE MELTING CURVE OF HIGH-TEMPERATURE FIXED POINTS.PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES. VOL. 374. ISSUE 2064. P. - 35 100% 3
3 ANHALT, K , MACHIN, G , (2016) THERMODYNAMIC TEMPERATURE BY PRIMARY RADIOMETRY.PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES. VOL. 374. ISSUE 2064. P. - 38 97% 2
4 GAVIOSO, RM , RIPA, DM , STEUR, PPM , GAISER, C , ZANDT, T , FELLMUTH, B , DE PODESTA, M , UNDERWOOD, R , SUTTON, G , PITRE, L , ET AL (2016) PROGRESS TOWARDS THE DETERMINATION OF THERMODYNAMIC TEMPERATURE WITH ULTRA-LOW UNCERTAINTY.PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES. VOL. 374. ISSUE 2064. P. - 39 87% 2
5 MACHIN, G , ENGERT, J , GAVIOSO, RM , SADLI, M , WOOLLIAMS, E , (2016) SUMMARY OF ACHIEVEMENTS OF THE EUROPEAN METROLOGY RESEARCH PROGRAMME PROJECT "IMPLEMENTING THE NEW KELVIN" (INK 1).MEASUREMENT. VOL. 94. ISSUE . P. 149 -156 33 100% 1
6 RABUS, H , PERSCH, V , ULM, G , (1997) SYNCHROTRON-RADIATION-OPERATED CRYOGENIC ELECTRICAL-SUBSTITUTION RADIOMETER AS THE HIGH-ACCURACY PRIMARY DETECTOR STANDARD IN THE ULTRAVIOLET, VACUUM-ULTRAVIOLET, AND SOFT-X-RAY SPECTRAL RANGES.APPLIED OPTICS. VOL. 36. ISSUE 22. P. 5421 -5440 56 95% 59
7 FISCHER, J , FELLMUTH, B , (2005) TEMPERATURE METROLOGY.REPORTS ON PROGRESS IN PHYSICS. VOL. 68. ISSUE 5. P. 1043-1094 53 82% 24
8 GAVIOSO, RM , RIPA, DM , STEUR, PPM , GAISER, C , TRUONG, D , GUIANVARC'H, C , TARIZZO, P , STUART, FM , DEMATTEIS, R , (2015) A DETERMINATION OF THE MOLAR GAS CONSTANT R BY ACOUSTIC THERMOMETRY IN HELIUM.METROLOGIA. VOL. 52. ISSUE 5. P. S274 -S304 37 74% 10
9 MOLDOVER, MR , GAVIOSO, RM , MEHL, JB , PITRE, L , DE PODESTA, M , ZHANG, JT , (2014) ACOUSTIC GAS THERMOMETRY.METROLOGIA. VOL. 51. ISSUE 1. P. R1-R19 38 67% 28
10 PEARCE, JV , GISBY, JA , STEUR, PPM , (2016) LIQUIDUS SLOPES OF IMPURITIES IN ITS-90 FIXED POINTS FROM THE MERCURY POINT TO THE COPPER POINT IN THE LOW CONCENTRATION LIMIT.METROLOGIA. VOL. 53. ISSUE 4. P. 1101 -1114 30 86% 2

Classes with closest relation at Level 2


Rank Class id link
1 3532 INFRARED EMISSIVITY//EMISSIVITY//SPECTRAL EMISSIVITY
2 3771 MEASUREMENT UNCERTAINTY//METROLOGIA//COVERAGE INTERVAL
3 4127 COMBINATORIAL SPUTTER COATING//DMM BASED METHOD//HAMON TRANSFERS
4 2702 TRANSITION EDGE SENSOR//SUPERCONDUCTING TUNNEL JUNCTION//MICROCALORIMETER
5 3841 PULSED FIELD MAGNETOMETER//MAGNETIC FIELD STANDARDS//DEMAGNETIZING CORRECTION
6 3123 ELECTROMAGNETIC LEVITATION//PULSE HEATING//NORMAL SPECTRAL EMISSIVITY
7 3845 LAKE NYOS//ACIDIC LAKE//LAKE MONOUN
8 805 FLUID PHASE EQUILIBRIA//JOURNAL OF CHEMICAL THERMODYNAMICS//THERMODYNAMICS
9 2322 LAND SURFACE TEMPERATURE//LAND SURFACE TEMPERATURE LST//NONUNIFORMITY CORRECTION
10 1451 ANTIHYDROGEN//AVOGADRO CONSTANT//KILOGRAM

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