Class information for:
Level 1: UREA SCR//SELECTIVE CATALYTIC REDUCTION SYSTEM//UREA DECOMPOSITION

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
10 3       JOURNAL OF CATALYSIS//CHEMISTRY, PHYSICAL//APPLIED CATALYSIS A-GENERAL 144576
912 2             SELECTIVE CATALYTIC REDUCTION//SCR//NH3 SCR 11395
25871 1                   UREA SCR//SELECTIVE CATALYTIC REDUCTION SYSTEM//UREA DECOMPOSITION 291

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 UREA SCR authKW 729614 5% 42% 16
2 SELECTIVE CATALYTIC REDUCTION SYSTEM authKW 541524 2% 100% 5
3 UREA DECOMPOSITION authKW 515727 3% 48% 10
4 UREA WATER SOLUTION authKW 487369 2% 75% 6
5 HNCO HYDROLYSIS authKW 433219 1% 100% 4
6 NITROGEN BASED ALTERNATIVE FUEL authKW 433219 1% 100% 4
7 SELECTIVE CATALYTIC REDUCTION SCR SYSTEM authKW 433219 1% 100% 4
8 UREA THERMOLYSIS authKW 324914 1% 100% 3
9 ISOCYANIC ACID authKW 239917 4% 18% 12
10 SELECTIVE CATALYTIC REDUCTION SCR authKW 221957 6% 12% 17

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Automation & Control Systems 918 12% 0% 35
2 Engineering, Chemical 849 23% 0% 68
3 Engineering, Environmental 762 13% 0% 39
4 Transportation Science & Technology 592 6% 0% 17
5 Energy & Fuels 395 13% 0% 37
6 Chemistry, Physical 317 24% 0% 70
7 Engineering, Mechanical 254 10% 0% 30
8 Environmental Sciences 114 11% 0% 33
9 Instruments & Instrumentation 96 7% 0% 19
10 Engineering, Marine 87 1% 0% 3

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 NANCY STEPHEN GRAND TECHNION ENERGY PROGRAM 219303 3% 23% 9
2 PROP SYST 161632 3% 15% 10
3 OVGA 112 144405 1% 67% 2
4 WOLFSON CHEM ENGN 127814 4% 10% 12
5 ADV AFTERTREATMENT TECHNOL 108305 0% 100% 1
6 CONTINENTAL AUTOMOT 108305 0% 100% 1
7 COOPERAT COMP COMMUN C 108305 0% 100% 1
8 CUMMINS TECHNOL 108305 0% 100% 1
9 INTERDISCIPLINARY SCI ENVIRONM TECHNOL ISET CT 108305 0% 100% 1
10 LOW EMISS VEHICLES 108305 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF DYNAMIC SYSTEMS MEASUREMENT AND CONTROL-TRANSACTIONS OF THE ASME 5680 5% 0% 14
2 INTERNATIONAL JOURNAL OF AUTOMOTIVE TECHNOLOGY 3804 2% 1% 7
3 TOPICS IN CATALYSIS 2983 3% 0% 9
4 ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS 1506 1% 1% 2
5 APPLIED CATALYSIS B-ENVIRONMENTAL 1338 3% 0% 10
6 MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION 1311 2% 0% 5
7 INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL 1271 2% 0% 5
8 IEEE-ASME TRANSACTIONS ON MECHATRONICS 1170 2% 0% 5
9 FUEL 1151 4% 0% 13
10 PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING 1148 2% 0% 5

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 UREA SCR 729614 5% 42% 16 Search UREA+SCR Search UREA+SCR
2 SELECTIVE CATALYTIC REDUCTION SYSTEM 541524 2% 100% 5 Search SELECTIVE+CATALYTIC+REDUCTION+SYSTEM Search SELECTIVE+CATALYTIC+REDUCTION+SYSTEM
3 UREA DECOMPOSITION 515727 3% 48% 10 Search UREA+DECOMPOSITION Search UREA+DECOMPOSITION
4 UREA WATER SOLUTION 487369 2% 75% 6 Search UREA+WATER+SOLUTION Search UREA+WATER+SOLUTION
5 HNCO HYDROLYSIS 433219 1% 100% 4 Search HNCO+HYDROLYSIS Search HNCO+HYDROLYSIS
6 NITROGEN BASED ALTERNATIVE FUEL 433219 1% 100% 4 Search NITROGEN+BASED+ALTERNATIVE+FUEL Search NITROGEN+BASED+ALTERNATIVE+FUEL
7 SELECTIVE CATALYTIC REDUCTION SCR SYSTEM 433219 1% 100% 4 Search SELECTIVE+CATALYTIC+REDUCTION+SCR+SYSTEM Search SELECTIVE+CATALYTIC+REDUCTION+SCR+SYSTEM
8 UREA THERMOLYSIS 324914 1% 100% 3 Search UREA+THERMOLYSIS Search UREA+THERMOLYSIS
9 ISOCYANIC ACID 239917 4% 18% 12 Search ISOCYANIC+ACID Search ISOCYANIC+ACID
10 SELECTIVE CATALYTIC REDUCTION SCR 221957 6% 12% 17 Search SELECTIVE+CATALYTIC+REDUCTION+SCR Search SELECTIVE+CATALYTIC+REDUCTION+SCR

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 1292 SELECTIVE CATALYTIC REDUCTION//NH3 SCR//SCR
2 34846 FLUE GAS CONDITIONING//HYDROLYSIS OF UREA//N MG COMPOUND FERTILIZERS
3 16112 AMMONIUM DINITRAMIDE//AMMONIUM NITRATE//DINITRAMIDE
4 30244 CARBAMYLATION//CARBAMYLATED LOW DENSITY LIPOPROTEIN//CARBAMYLATED HEMOGLOBIN
5 6001 REBURNING//SNCR//SELECTIVE NON CATALYTIC REDUCTION
6 6642 ENGINE CONTROL//CMT MOTO TERM//TURBOCHARGER
7 9875 LEAN NOX TRAP//NOX STORAGE//NOX STORAGE REDUCTION
8 3787 SYST ANALYT ENVIRONM SCI//ATMOSPHERIC LIFETIME//VARIATIONAL TRANSITION STATE THEORY
9 37618 MAGNESIUM TETRAPHENYLPORPHYRIN MGTPP//LINKING OXYGEN//ANTHOCYANIDINS SENSITIZED FULLERENE BASED SOLAR CELL AFSC
10 36189 SUGAR FACTORY LIME//ZAKLADZIE NAWOZOW//CASO4 H3PO4 H2SO4 H2O IMPURITIES SYSTEM

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