Class information for:
Level 1: LEAN NOX TRAP//NOX STORAGE//NOX STORAGE REDUCTION

Basic class information

ID Publications Average number
of references
Avg. shr. active
ref. in WoS
9968 1039 31.8 77%



Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)



ID, lev.
above
Publications Label for level above
172 21302 SELECTIVE CATALYTIC REDUCTION//APPLIED CATALYSIS B-ENVIRONMENTAL//CATALYTIC COMBUSTION

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 LEAN NOX TRAP Author keyword 196 88% 9% 91
2 NOX STORAGE Author keyword 167 80% 10% 104
3 NOX STORAGE REDUCTION Author keyword 119 87% 6% 59
4 NOX STORAGE AND REDUCTION Author keyword 88 85% 4% 46
5 NOX TRAP Author keyword 82 88% 4% 38
6 NOX STORAGE REDUCTION CATALYST Author keyword 65 95% 2% 21
7 NOX STORAGE CATALYST Author keyword 57 95% 2% 19
8 NSR Author keyword 55 67% 5% 50
9 PT BA AL2O3 Author keyword 51 83% 3% 29
10 PT BA AL2O3 CATALYST Author keyword 34 93% 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 LEAN NOX TRAP 196 88% 9% 91 Search LEAN+NOX+TRAP Search LEAN+NOX+TRAP
2 NOX STORAGE 167 80% 10% 104 Search NOX+STORAGE Search NOX+STORAGE
3 NOX STORAGE REDUCTION 119 87% 6% 59 Search NOX+STORAGE+REDUCTION Search NOX+STORAGE+REDUCTION
4 NOX STORAGE AND REDUCTION 88 85% 4% 46 Search NOX+STORAGE+AND+REDUCTION Search NOX+STORAGE+AND+REDUCTION
5 NOX TRAP 82 88% 4% 38 Search NOX+TRAP Search NOX+TRAP
6 NOX STORAGE REDUCTION CATALYST 65 95% 2% 21 Search NOX+STORAGE+REDUCTION+CATALYST Search NOX+STORAGE+REDUCTION+CATALYST
7 NOX STORAGE CATALYST 57 95% 2% 19 Search NOX+STORAGE+CATALYST Search NOX+STORAGE+CATALYST
8 NSR 55 67% 5% 50 Search NSR Search NSR
9 PT BA AL2O3 51 83% 3% 29 Search PT+BA+AL2O3 Search PT+BA+AL2O3
10 PT BA AL2O3 CATALYST 34 93% 1% 13 Search PT+BA+AL2O3+CATALYST Search PT+BA+AL2O3+CATALYST

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 TRAP CATALYSTS 285 95% 9% 95
2 STORAGE REDUCTION CATALYSTS 250 90% 11% 111
3 PT BAO AL2O3 239 88% 11% 112
4 NSR CATALYSTS 155 86% 8% 79
5 STORED NOX 151 91% 6% 62
6 REDUCTION CATALYST 128 77% 8% 87
7 NOX STORAGE 106 59% 11% 118
8 PT BA GAMMA AL2O3 CATALYST 102 100% 3% 30
9 PT BA ALUMINA CATALYSTS 99 97% 3% 29
10 LEAN BURN ENGINE 92 76% 6% 65

Journals

Reviews



Title Publ. year Cit. Active references % act. ref.
to same field
NOx Storage-Reduction Catalysis: From Mechanism and Materials Properties to Storage-Reduction Performance 2009 192 302 79%
Overview of the fundamental reactions and degradation mechanisms of NOx storage/reduction catalysts 2004 507 121 58%
A review of NOx storage/reduction catalysts: mechanism, materials and degradation studies 2011 41 117 73%
Platinum oxide formation and reduction during NO oxidation on a diesel oxidation catalyst - Experimental results 2012 22 24 50%
40 Years of Cleaner Air: The Evolution of the Autocatalyst 2014 1 2 100%
Platinum oxide formation and reduction during NO oxidation on a diesel oxidation catalyst-Macrokinetic simulation 2013 6 24 50%
A SHORT REVIEW ABOUT NOX STORAGE/REDUCTION CATALYSTS BASED ON METAL OXIDES AND HYDROTALCITE-TYPE ANIONIC CLAYS 2014 1 85 80%
Catalysts as Sensors-A Promising Novel Approach in Automotive Exhaust Gas Aftertreatment 2010 19 32 50%
A global description of DOC kinetics for catalysts with different platinum loadings and aging status 2010 24 17 41%
Diesel Oxidation Catalysts 2011 46 253 17%

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 FUELS ENGINES EMISS 16 42% 2.8% 29
2 INTER IAL CATALYSIS 16 28% 4.5% 47
3 CATALYSIS CATALYT PROC 11 34% 2.6% 27
4 COMPETENCE CATALYSIS 9 16% 5.2% 54
5 ENERGY SAVING SYST TEAM 6 80% 0.4% 4
6 BAYREUTH ENGINE 6 43% 1.0% 10
7 NEMAS EXCELLENCE 6 100% 0.4% 4
8 NEMAS 5 21% 1.8% 19
9 TIANJIN CATALYSIS SCI ENGN 3 50% 0.5% 5
10 ZENTRUM ENERGIETECH 2 44% 0.4% 4

Related classes at same level (level 1)



Rank Relatedness score Related classes
1 0.0000221921 DIRECT NO DECOMPOSITION//NO DECOMPOSITION//ELECTROCHEMICAL CATALYTIC CELL
2 0.0000170048 SOOT COMBUSTION//SOOT OXIDATION//DIESEL SOOT
3 0.0000166374 LIGHT OFF//HYDROCARBON TRAP//CATALYTIC CONVERTER
4 0.0000126762 NH3 SCR//SELECTIVE CATALYTIC REDUCTION//SCR
5 0.0000126633 HC SCR//AG AL2O3//CU ZSM 5
6 0.0000118446 H 2 SCR//N2O SELECTIVITY//NO H 2 O 2 REACTION
7 0.0000112144 OXYGEN STORAGE CAPACITY//THREE WAY CATALYSTS//CERIA ZIRCONIA
8 0.0000096729 TEMPORAL ANALYSIS OF PRODUCTS//TEMPORAL ANALYSIS OF PRODUCTS TAP//ALCUMG ALLOYS
9 0.0000077619 SULFUR TRANSFER CATALYST//SO2 ADSORPTION//ENGN TECHNOL FLUE GAS DESULFURIZAT
10 0.0000066324 METHANE COMBUSTION//CATALYTIC COMBUSTION//HEXAALUMINATE