Class information for:
Level 1: SELECTIVE CATALYTIC REDUCTION//NH3 SCR//SCR

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
2070 2366 34.5 80%


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
2 4 MATERIALS SCIENCE, MULTIDISCIPLINARY//PHYSICS, APPLIED//PHYSICS, CONDENSED MATTER 2836879
18 3       JOURNAL OF CATALYSIS//CHEMISTRY, PHYSICAL//APPLIED CATALYSIS A-GENERAL 120683
91 2             CO OXIDATION//APPLIED CATALYSIS B-ENVIRONMENTAL//SELECTIVE CATALYTIC REDUCTION 26517
2070 1                   SELECTIVE CATALYTIC REDUCTION//NH3 SCR//SCR 2366

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 SELECTIVE CATALYTIC REDUCTION authKW 2433587 17% 48% 394
2 NH3 SCR authKW 2133115 8% 86% 192
3 SCR authKW 1164037 11% 36% 254
4 LOW TEMPERATURE SCR authKW 658350 2% 98% 52
5 SELECTIVE CATALYTIC REDUCTION SCR authKW 360958 3% 46% 61
6 FAST SCR authKW 337223 1% 93% 28
7 CU SAPO 34 authKW 316143 1% 88% 28
8 DENOX authKW 312779 4% 25% 97
9 CU SSZ 13 authKW 237108 1% 88% 21
10 ENERGY SOURCE MECH ENGN address 227622 1% 84% 21

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 Engineering, Chemical 30098 47% 0% 1108
2 Chemistry, Physical 19810 60% 0% 1417
3 Engineering, Environmental 14374 20% 0% 472
4 Chemistry, Applied 5745 15% 0% 359
5 Chemistry, Multidisciplinary 496 12% 0% 289
6 Environmental Sciences 364 8% 0% 185
7 Energy & Fuels 284 4% 0% 104
8 Nanoscience & Nanotechnology 273 5% 0% 109
9 Materials Science, Coatings & Films 115 2% 0% 49
10 Materials Science, Multidisciplinary 73 8% 0% 182

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 ENERGY SOURCE MECH ENGN 227622 1% 84% 21
2 ABT RBP C 90329 0% 100% 7
3 COMBUST HARMFUL EMISS CONTROL 75898 0% 59% 10
4 COMPETENCE CATALYSIS 59049 2% 11% 42
5 CATALISI PROC CATALITICI 52686 0% 58% 7
6 CATALISI PROC CATALIT 48632 0% 54% 7
7 INTEGRATED CATALYSIS 44518 1% 12% 28
8 CHEM ENGN COMPETENCE CATALYSIS 41292 0% 80% 4
9 ABT RBPC 38712 0% 100% 3
10 DEV ENGINEER 38712 0% 100% 3

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 APPLIED CATALYSIS B-ENVIRONMENTAL 145881 12% 4% 291
2 CATALYSIS TODAY 36634 7% 2% 170
3 CATALYSIS SCIENCE & TECHNOLOGY 27948 3% 3% 77
4 CATALYSIS COMMUNICATIONS 25323 4% 2% 97
5 JOURNAL OF CATALYSIS 19625 6% 1% 138
6 TOPICS IN CATALYSIS 18110 3% 2% 63
7 CHINESE JOURNAL OF CATALYSIS 14361 3% 2% 63
8 CHEMICAL ENGINEERING JOURNAL 7356 4% 1% 86
9 CATALYSIS LETTERS 7084 3% 1% 64
10 INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 4032 4% 0% 94

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 SELECTIVE CATALYTIC REDUCTION 2433587 17% 48% 394 Search SELECTIVE+CATALYTIC+REDUCTION Search SELECTIVE+CATALYTIC+REDUCTION
2 NH3 SCR 2133115 8% 86% 192 Search NH3+SCR Search NH3+SCR
3 SCR 1164037 11% 36% 254 Search SCR Search SCR
4 LOW TEMPERATURE SCR 658350 2% 98% 52 Search LOW+TEMPERATURE+SCR Search LOW+TEMPERATURE+SCR
5 SELECTIVE CATALYTIC REDUCTION SCR 360958 3% 46% 61 Search SELECTIVE+CATALYTIC+REDUCTION+SCR Search SELECTIVE+CATALYTIC+REDUCTION+SCR
6 FAST SCR 337223 1% 93% 28 Search FAST+SCR Search FAST+SCR
7 CU SAPO 34 316143 1% 88% 28 Search CU+SAPO+34 Search CU+SAPO+34
8 DENOX 312779 4% 25% 97 Search DENOX Search DENOX
9 CU SSZ 13 237108 1% 88% 21 Search CU+SSZ+13 Search CU+SSZ+13
10 LOW TEMPERATURE SELECTIVE CATALYTIC REDUCTION 209043 1% 90% 18 Search LOW+TEMPERATURE+SELECTIVE+CATALYTIC+REDUCTION Search LOW+TEMPERATURE+SELECTIVE+CATALYTIC+REDUCTION

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 TANG, CJ , ZHANG, HL , DONG, L , (2016) CERIA-BASED CATALYSTS FOR LOW-TEMPERATURE SELECTIVE CATALYTIC REDUCTION OF NO WITH NH3.CATALYSIS SCIENCE & TECHNOLOGY. VOL. 6. ISSUE 5. P. 1248 -1264 112 78% 13
2 SHAN, WP , SONG, H , (2015) CATALYSTS FOR THE SELECTIVE CATALYTIC REDUCTION OF NOX WITH NH3 AT LOW TEMPERATURE.CATALYSIS SCIENCE & TECHNOLOGY. VOL. 5. ISSUE 9. P. 4280 -4288 125 97% 11
3 LIU, C , SHI, JW , GAO, C , NIU, CM , (2016) MANGANESE OXIDE-BASED CATALYSTS FOR LOW-TEMPERATURE SELECTIVE CATALYTIC REDUCTION OF NOX WITH NH3: A REVIEW.APPLIED CATALYSIS A-GENERAL. VOL. 522. ISSUE . P. 54 -69 125 85% 3
4 LI, JH , PENG, Y , CHANG, HZ , LI, X , CRITTENDEN, J , HAO, JM , (2016) CHEMICAL POISON AND REGENERATION OF SCR CATALYSTS FOR NOX REMOVAL FROM STATIONARY SOURCES.FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING. VOL. 10. ISSUE 3. P. 413 -427 126 86% 1
5 BEALE, AM , GAO, F , LEZCANO-GONZALEZ, I , PEDEN, CHF , SZANYI, J , (2015) RECENT ADVANCES IN AUTOMOTIVE CATALYSIS FOR NOX EMISSION CONTROL BY SMALL-PORE MICROPOROUS MATERIALS.CHEMICAL SOCIETY REVIEWS. VOL. 44. ISSUE 20. P. 7371 -7405 102 60% 39
6 LIU, FD , SHAN, WP , SHI, XY , ZHANG, CB , HE, H , (2011) RESEARCH PROGRESS IN VANADIUM-FREE CATALYSTS FOR THE SELECTIVE CATALYTIC REDUCTION OF NO WITH NH3.CHINESE JOURNAL OF CATALYSIS. VOL. 32. ISSUE 7. P. 1113 -1128 103 92% 27
7 CHEN, L , SI, ZC , WU, XD , WENG, D , RAN, R , YU, J , (2014) RARE EARTH CONTAINING CATALYSTS FOR SELECTIVE CATALYTIC REDUCTION OF NOX WITH AMMONIA: A REVIEW.JOURNAL OF RARE EARTHS. VOL. 32. ISSUE 10. P. 907 -917 95 88% 13
8 JABLONSKA, M , PALKOVITS, R , (2016) COPPER BASED CATALYSTS FOR THE SELECTIVE AMMONIA OXIDATION INTO NITROGEN AND WATER VAPOUR-RECENT TRENDS AND OPEN CHALLENGES.APPLIED CATALYSIS B-ENVIRONMENTAL. VOL. 181. ISSUE . P. 332 -351 92 59% 10
9 LI, JH , CHANG, HZ , MA, L , HAO, JM , YANG, RT , (2011) LOW-TEMPERATURE SELECTIVE CATALYTIC REDUCTION OF NOX WITH NH3 OVER METAL OXIDE AND ZEOLITE CATALYSTS-A REVIEW.CATALYSIS TODAY. VOL. 175. ISSUE 1. P. 147-156 75 80% 175
10 LIU, FD , YU, YB , HE, H , (2014) ENVIRONMENTALLY-BENIGN CATALYSTS FOR THE SELECTIVE CATALYTIC REDUCTION OF NOX FROM DIESEL ENGINES: STRUCTURE-ACTIVITY RELATIONSHIP AND REACTION MECHANISM ASPECTS.CHEMICAL COMMUNICATIONS. VOL. 50. ISSUE 62. P. 8445 -8463 110 53% 36

Classes with closest relation at Level 1


Rank Class id link
1 28197 UREA SCR//UREA WATER SOLUTION//HNCO HYDROLYSIS
2 5335 VANADIA TITANIA CATALYST//O XYLENE OXIDATION//TOLUENE PARTIAL OXIDATION
3 652 CU ZSM 5//AG AL2O3//HC SCR
4 16112 SULFUR TRANSFER CATALYST//SO2 ADSORPTION//ENGN TECHNOL FLUE GAS DESULFURIZAT
5 9954 LEAN NOX TRAP//NOX STORAGE//NOX STORAGE REDUCTION
6 6487 N2O DECOMPOSITION//FE ZSM 5//NITROUS OXIDE DECOMPOSITION
7 22942 OXYGEN TRANSIENTS//COPPERI NITRIDE//PALLADIUM GAMMA ALUMINA
8 10509 NOX PRECURSORS//N 2 FORMATION//NITROGEN FUNCTIONALITY
9 4627 CATALYTIC OXIDATION//CATALYTIC COMBUSTION//TOTAL OXIDATION
10 14416 CATALYTIC CONVERTER//LIGHT OFF//HYDROCARBON TRAP

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