Class information for:
Level 1: SULFATED ZIRCONIA//N BUTANE ISOMERIZATION//SOLID SUPERACID

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
3189 2043 30.0 68%


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
47 2             ZEOLITE//ZEOLITES//MICROPOROUS AND MESOPOROUS MATERIALS 30406
3189 1                   SULFATED ZIRCONIA//N BUTANE ISOMERIZATION//SOLID SUPERACID 2043

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 SULFATED ZIRCONIA authKW 2510707 14% 58% 291
2 N BUTANE ISOMERIZATION authKW 1188481 4% 92% 86
3 SOLID SUPERACID authKW 606118 3% 60% 68
4 TUNGSTATED ZIRCONIA authKW 493834 3% 62% 53
5 CUMENE DEALKYLATION authKW 405428 1% 94% 29
6 BUTANE ISOMERIZATION authKW 398928 2% 86% 31
7 2 PROPANOL DEHYDRATION authKW 300408 1% 72% 28
8 N HEXANE ISOMERIZATION authKW 232634 1% 65% 24
9 SULFATED ZIRCONIA CATALYST authKW 225046 1% 94% 16
10 SULPHATED ZIRCONIA authKW 224407 1% 52% 29

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 Chemistry, Physical 21185 66% 0% 1353
2 Engineering, Chemical 6759 25% 0% 504
3 Chemistry, Applied 2150 10% 0% 210
4 Environmental Sciences 925 12% 0% 243
5 Chemistry, Multidisciplinary 798 15% 0% 314
6 Engineering, Petroleum 464 2% 0% 33
7 Materials Science, Multidisciplinary 226 11% 0% 222
8 Energy & Fuels 141 4% 0% 73
9 Materials Science, Ceramics 101 2% 0% 36
10 Engineering, Environmental 51 2% 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 ENVIRONM MANAGEMENT INORGAN CHEM 67248 0% 75% 6
2 ENERGY CHEM 58970 1% 26% 15
3 UMR 6506 CATALYSE SPE OCHIM 46698 0% 63% 5
4 HEILONGJIANG PROV CHEM ENGN OIL GAS 44834 0% 100% 3
5 PROG INGN MOL 44828 0% 50% 6
6 UNLCONICET 39849 0% 67% 4
7 INVEST CATALISIS PETROQUIM 35974 1% 10% 24
8 INC E INVEST CATALISIS PETROQUIM 31025 0% 23% 9
9 ABORAT INNOVAT CLEAN COAL GASIFICAT TECHN 29889 0% 100% 2
10 ADV CATAL TECHNOL 29889 0% 100% 2

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 A-GENERAL 69951 11% 2% 232
2 CATALYSIS LETTERS 49941 8% 2% 157
3 JOURNAL OF CATALYSIS 45158 9% 2% 194
4 JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL 10227 4% 1% 80
5 CATALYSIS TODAY 7966 4% 1% 74
6 STUDIES IN SURFACE SCIENCE AND CATALYSIS 7950 3% 1% 58
7 REACTION KINETICS AND CATALYSIS LETTERS 5794 2% 1% 44
8 CHINESE JOURNAL OF CATALYSIS 4265 2% 1% 32
9 CATALYSIS COMMUNICATIONS 2957 2% 1% 31
10 TOPICS IN CATALYSIS 2769 1% 1% 23

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 SULFATED ZIRCONIA 2510707 14% 58% 291 Search SULFATED+ZIRCONIA Search SULFATED+ZIRCONIA
2 N BUTANE ISOMERIZATION 1188481 4% 92% 86 Search N+BUTANE+ISOMERIZATION Search N+BUTANE+ISOMERIZATION
3 SOLID SUPERACID 606118 3% 60% 68 Search SOLID+SUPERACID Search SOLID+SUPERACID
4 TUNGSTATED ZIRCONIA 493834 3% 62% 53 Search TUNGSTATED+ZIRCONIA Search TUNGSTATED+ZIRCONIA
5 CUMENE DEALKYLATION 405428 1% 94% 29 Search CUMENE+DEALKYLATION Search CUMENE+DEALKYLATION
6 BUTANE ISOMERIZATION 398928 2% 86% 31 Search BUTANE+ISOMERIZATION Search BUTANE+ISOMERIZATION
7 2 PROPANOL DEHYDRATION 300408 1% 72% 28 Search 2+PROPANOL+DEHYDRATION Search 2+PROPANOL+DEHYDRATION
8 N HEXANE ISOMERIZATION 232634 1% 65% 24 Search N+HEXANE+ISOMERIZATION Search N+HEXANE+ISOMERIZATION
9 SULFATED ZIRCONIA CATALYST 225046 1% 94% 16 Search SULFATED+ZIRCONIA+CATALYST Search SULFATED+ZIRCONIA+CATALYST
10 SULPHATED ZIRCONIA 224407 1% 52% 29 Search SULPHATED+ZIRCONIA Search SULPHATED+ZIRCONIA

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 SONG, XM , SAYARI, A , (1996) SULFATED ZIRCONIA-BASED STRONG SOLID-ACID CATALYSTS: RECENT PROGRESS.CATALYSIS REVIEWS-SCIENCE AND ENGINEERING. VOL. 38. ISSUE 3. P. 329-412 129 77% 534
2 WANG, PZ , ZHANG, JY , WANG, GW , LI, CY , YANG, CH , (2016) NATURE OF ACTIVE SITES AND DEACTIVATION MECHANISM FOR N-BUTANE ISOMERIZATION OVER ALUMINA-PROMOTED SULFATED ZIRCONIA.JOURNAL OF CATALYSIS. VOL. 338. ISSUE . P. 124 -134 58 91% 1
3 REDDY, BM , PATIL, MK , (2009) ORGANIC SYNTHESES AND TRANSFORMATIONS CATALYZED BY SULFATED ZIRCONIA.CHEMICAL REVIEWS. VOL. 109. ISSUE 6. P. 2185-2208 104 51% 101
4 KLOSE, BS , JENTOFT, FC , SCHLOGL, R , (2005) IN SITU DIFFUSE-REFLECTANCE INFRARED SPECTROSCOPIC INVESTIGATION OF PROMOTED SULFATED ZIRCONIA CATALYSTS DURING N-BUTANE ISOMERIZATION.JOURNAL OF CATALYSIS. VOL. 233. ISSUE 1. P. 68-80 69 99% 24
5 ZHANG, LY , HAN, CY , DU, DQ , ZHANG, YY , XU, SW , LUO, YM , (2011) SULFATED ZIRCONIA-A SUPERACID.PROGRESS IN CHEMISTRY. VOL. 23. ISSUE 5. P. 860 -873 90 65% 5
6 HUA, WM , SOMMER, J , (2002) HYDROISOMERIZATION OF N-BUTANE OVER SULFATED ZIRCONIA CATALYSTS PROMOTED BY ALUMINA AND PLATINUM.APPLIED CATALYSIS A-GENERAL. VOL. 227. ISSUE 1-2. P. 279 -286 65 97% 30
7 ARATA, K , (1996) PREPARATION OF SUPERACIDS BY METAL OXIDES FOR REACTIONS OF BUTANES AND PENTANES.APPLIED CATALYSIS A-GENERAL. VOL. 146. ISSUE 1. P. 3-32 73 84% 198
8 SOULTANIDIS, N , WONG, MS , (2013) OLEFIN IMPURITY EFFECT ON N-PENTANE BIMOLECULAR ISOMERIZATION OVER WOX/ZRO2.CATALYSIS COMMUNICATIONS. VOL. 32. ISSUE . P. 5-10 52 87% 1
9 YADAV, GD , NAIR, JJ , (1999) SULFATED ZIRCONIA AND ITS MODIFIED VERSIONS AS PROMISING CATALYSTS FOR INDUSTRIAL PROCESSES.MICROPOROUS AND MESOPOROUS MATERIALS. VOL. 33. ISSUE 1-3. P. 1 -48 62 63% 492
10 AHMED, MA , (2011) SURFACE CHARACTERIZATION AND CATALYTIC ACTIVITY OF SULFATED-HAFNIA PROMOTED ZIRCONIA CATALYSTS FOR N-BUTANE ISOMERIZATION.FUEL PROCESSING TECHNOLOGY. VOL. 92. ISSUE 5. P. 1121 -1128 45 92% 9

Classes with closest relation at Level 1


Rank Class id link
1 14445 HYDROISOMERIZATION//HYDROCRACKING//HYDROISOMERISATION
2 23197 ISOBUTANE ALKYLATION//ISOBUTANE BUTENE ALKYLATION//ISOBUTANE 2 BUTENE ALKYLATION
3 33531 1 3 DIHYDRO 2H BENZIMIDAZOLE 2 THIONE//ACCEPTOR SITES//2 9 10 DIOXO 9 10 DIHYDRO ANTHRACEN 1 YLSULFANYL 3H BENZOIMIDAZOLE DYES
4 27399 LINEAR ALKYLBENZENE//ISOBUTENE POLYMERIZATION//AL PILLARED ACID ACTIVATED CLAY
5 24619 SKELETAL ISOMERIZATION//DEHYDROISOMERIZATION//FERRIERITE
6 22397 KETONIZATION//ISOSYNTHESIS//CATALYT SYNTH
7 3456 ZIRCONIA//ZRO2//HYDROUS ZIRCONIA FINE PARTICLES
8 30142 CARBIDE TORY//HYDRATION OF ETHENE//HYDRATION OF ETHYLENE
9 37479 TYPE 5A ZEOLITE//CAA ZEOLITE//CRYSTALLINE STEROID
10 9486 FRIEDEL CRAFTS ACYLATION//2 METHOXYNAPHTHALENE//BENZYLATION OF BENZENE

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