Class information for:
Level 1: AIR FUEL RATIO MODEL//CARBON ATOM BALANCE//CORRELATION TO EPA USA STANDARD

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
21 4 THERMODYNAMICS//MECHANICS//ENGINEERING, MECHANICAL 471779
525 3       PROPELLANTS EXPLOSIVES PYROTECHNICS//ENERGETIC MATERIALS//COMBUSTION EXPLOSION AND SHOCK WAVES 20829
3770 2             STRUCT MACROKINET MAT PROBLEMS//COAL CHEM MAT SCI//LASER INITIATION 1092
37012 1                   AIR FUEL RATIO MODEL//CARBON ATOM BALANCE//CORRELATION TO EPA USA STANDARD 89

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 AIR FUEL RATIO MODEL authKW 708249 2% 100% 2
2 CARBON ATOM BALANCE authKW 354125 1% 100% 1
3 CORRELATION TO EPA USA STANDARD authKW 354125 1% 100% 1
4 DIESEL EXHAUST MEASUREMENT authKW 354125 1% 100% 1
5 DIESEL EXHAUST PARTICULATE MEASUREMENT authKW 354125 1% 100% 1
6 EMISSION ANALYSERS authKW 354125 1% 100% 1
7 EXHAUST OXYGEN ESTIMATION authKW 354125 1% 100% 1
8 PARTICULATE DILUTION TUNNEL authKW 354125 1% 100% 1
9 PSYCHROMETRIC MIXING authKW 354125 1% 100% 1
10 TEMPERATURE ENTROPY DIAGRAMS authKW 354125 1% 100% 1

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Chemistry, Physical 517 51% 0% 45
2 Transportation Science & Technology 167 6% 0% 5
3 Engineering, Mechanical 74 10% 0% 9
4 Chemistry, Multidisciplinary 44 17% 0% 15
5 Chemistry, Applied 36 7% 0% 6
6 Engineering, General 24 4% 0% 4
7 Instruments & Instrumentation 21 6% 0% 5
8 Engineering, Chemical 9 6% 0% 5
9 Geology 4 1% 0% 1
10 Spectroscopy 3 2% 0% 2

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 GRP COMBUSTIBLES ALTERNAT 88530 1% 25% 1
2 GRP MANEJO EFICIENTE ENERGIA 88530 1% 25% 1
3 SORPT ENDOECOL 83320 2% 12% 2
4 GIMEL 50588 1% 14% 1
5 PISARZHEVSKII PHYS CHEM 24419 2% 3% 2
6 MECH PROD ENGN 3527 7% 0% 6
7 MARINE TECHNOL 267 1% 0% 1
8 CHEM ENGN TECHNOL 23 1% 0% 1
9 IND ENGN 13 1% 0% 1
10 PHYS ASTRON 1 1% 0% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 TEORETICHESKAYA I EKSPERIMENTALNAYA KHIMIYA 59704 16% 1% 14
2 KINETICS AND CATALYSIS 15973 17% 0% 15
3 UKRAINSKII KHIMICHESKII ZHURNAL 7345 9% 0% 8
4 REACTION KINETICS AND CATALYSIS LETTERS 7172 11% 0% 10
5 MECHANICAL ENGINEERING 4402 3% 0% 3
6 PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING 3777 6% 0% 5
7 KHIMICHESKAYA PROMYSHLENNOST 3042 2% 0% 2
8 JOURNAL OF THE INSTITUTE OF ENERGY 2947 2% 0% 2
9 RUSSIAN JOURNAL OF APPLIED CHEMISTRY 785 4% 0% 4
10 REVISTA FACULTAD DE INGENIERIA-UNIVERSIDAD DE ANTIOQUIA 753 1% 0% 1

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 AIR FUEL RATIO MODEL 708249 2% 100% 2 Search AIR+FUEL+RATIO+MODEL Search AIR+FUEL+RATIO+MODEL
2 CARBON ATOM BALANCE 354125 1% 100% 1 Search CARBON+ATOM+BALANCE Search CARBON+ATOM+BALANCE
3 CORRELATION TO EPA USA STANDARD 354125 1% 100% 1 Search CORRELATION+TO+EPA+USA+STANDARD Search CORRELATION+TO+EPA+USA+STANDARD
4 DIESEL EXHAUST MEASUREMENT 354125 1% 100% 1 Search DIESEL+EXHAUST+MEASUREMENT Search DIESEL+EXHAUST+MEASUREMENT
5 DIESEL EXHAUST PARTICULATE MEASUREMENT 354125 1% 100% 1 Search DIESEL+EXHAUST+PARTICULATE+MEASUREMENT Search DIESEL+EXHAUST+PARTICULATE+MEASUREMENT
6 EMISSION ANALYSERS 354125 1% 100% 1 Search EMISSION+ANALYSERS Search EMISSION+ANALYSERS
7 EXHAUST OXYGEN ESTIMATION 354125 1% 100% 1 Search EXHAUST+OXYGEN+ESTIMATION Search EXHAUST+OXYGEN+ESTIMATION
8 PARTICULATE DILUTION TUNNEL 354125 1% 100% 1 Search PARTICULATE+DILUTION+TUNNEL Search PARTICULATE+DILUTION+TUNNEL
9 PSYCHROMETRIC MIXING 354125 1% 100% 1 Search PSYCHROMETRIC+MIXING Search PSYCHROMETRIC+MIXING
10 TEMPERATURE ENTROPY DIAGRAMS 354125 1% 100% 1 Search TEMPERATURE+ENTROPY+DIAGRAMS Search TEMPERATURE+ENTROPY+DIAGRAMS

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 33877 TEORETICHESKAYA I EKSPERIMENTALNAYA KHIMIYA//CO TI OXIDE//HETERO HOMOGENEOUS PROCESS
2 30774 TEMPORAL ANALYSIS OF PRODUCTS//TAP REACTOR//TEMPORAL ANALYSIS OF PRODUCTS TAP
3 27494 OZONE DECOMPOSITION//OZONE CATALYTIC OXIDATION//PHYS CHEM ENVIRONM HUMAN BEING PROTECT
4 30738 UMR 5634//EXPERIMENTAL MICROKINETIC//HIGH VACUUM CELL
5 29413 HIGH P SURE SCI ENGN HIPSEC//ADV FIUNCT MAT//ALUMINOVANADATE OXIDE
6 29834 ALKALINE METAL ALLOY//ARCHITECTURE CIVIL ENGN SAMARA//BI AND SN MIXED OXIDES
7 23815 HCL OXIDATION//OXYCHLORINATION//ETHYLENE OXYCHLORINATION
8 27261 DIFFERENTIAL CHARGING//CHARGE REFERENCING//DEGRADATION OF ORGANOSILANE MONOLAYER
9 11987 CATALYTIC CONVERTER//LIGHT OFF//HYDROCARBON TRAP
10 3610 KINETIC OSCILLATIONS//PHYS CHEM ELEKTROCHEM//CATALYTIC SURFACE REACTIONS

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