Class information for:
Level 2: ASPHALTENES//NAPHTHENIC ACIDS//ENERGY & FUELS

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
3 4 GEOSCIENCES, MULTIDISCIPLINARY//GEOCHEMISTRY & GEOPHYSICS//METEOROLOGY & ATMOSPHERIC SCIENCES 1953906
118 3       FUEL//ENERGY & FUELS//PYROLYSIS 71180
1429 2             ASPHALTENES//NAPHTHENIC ACIDS//ENERGY & FUELS 8165
1616 1                   ASPHALTENES//ASPHALTENE PRECIPITATION//ENERGY & FUELS 2590
8243 1                   NAPHTHENIC ACIDS//OIL SANDS PROCESS AFFECTED WATER//OIL SANDS 1302
10663 1                   DEMULSIFIER//DEMULSIFICATION//ELECTROCOALESCENCE 1074
11098 1                   HYDRODEMETALLIZATION//HYDRODEMETALLATION//HYDROPROCESSING 1037
13304 1                   IN SITU COMBUSTION//AQUATHERMOLYSIS//CATALYTIC AQUATHERMOLYSIS 877
17051 1                   OIL SANDS//BITUMEN RECOVERY//BITUMEN EXTRACTION 647
17201 1                   VANADYL PORPHYRINS//GEOPORPHYRINS//GEOCHEM COSMOCHEM 638

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ASPHALTENES authKW 1721222 8% 67% 664
2 NAPHTHENIC ACIDS authKW 974064 4% 86% 293
3 ENERGY & FUELS journal 638573 18% 11% 1448
4 OIL SANDS authKW 401564 3% 42% 246
5 ASPHALTENE PRECIPITATION authKW 328534 1% 82% 104
6 ENGINEERING, PETROLEUM WoSSC 255863 18% 5% 1462
7 PETROLEUM SCIENCE AND TECHNOLOGY journal 242694 5% 14% 442
8 DEMULSIFIER authKW 223693 1% 77% 75
9 EDMONTON address 217123 1% 47% 121
10 UGELSTAD address 216497 2% 42% 133

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Engineering, Petroleum 255863 18% 5% 1462
2 Energy & Fuels 173228 47% 1% 3862
3 Engineering, Chemical 142527 55% 1% 4475
4 Chemistry, Physical 3609 17% 0% 1362
5 Chemistry, Analytical 1243 7% 0% 555
6 Chemistry, Applied 929 4% 0% 323
7 Spectroscopy 586 3% 0% 243
8 Thermodynamics 545 3% 0% 220
9 Engineering, Environmental 529 3% 0% 215
10 Environmental Sciences 522 6% 0% 478

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 EDMONTON 217123 1% 47% 121
2 UGELSTAD 216497 2% 42% 133
3 CHEM PETR ENGN 61992 4% 5% 319
4 GRP INVEST YACIMIENTOS HIDROCARBUROS 56812 0% 82% 18
5 STATE HEAVY OIL PROC 54094 3% 6% 221
6 FUTURE FUELS 47244 0% 58% 21
7 ION CYCLOTRON ONANCE PROGRAM 41710 1% 24% 45
8 MACROMOL OIDS PETR IND 40746 0% 81% 13
9 IOR GRP 38580 0% 100% 10
10 DBR TECHNOL 38433 0% 59% 17

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ENERGY & FUELS 638573 18% 11% 1448
2 PETROLEUM SCIENCE AND TECHNOLOGY 242694 5% 14% 442
3 FUEL 104870 8% 4% 654
4 JOURNAL OF CANADIAN PETROLEUM TECHNOLOGY 40309 2% 8% 130
5 FUEL SCIENCE & TECHNOLOGY INTERNATIONAL 36979 1% 20% 47
6 JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY 32122 2% 5% 179
7 JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING 28014 2% 5% 163
8 CHEMISTRY AND TECHNOLOGY OF FUELS AND OILS 23957 1% 8% 79
9 FUEL PROCESSING TECHNOLOGY 20801 2% 3% 170
10 CANADIAN JOURNAL OF CHEMICAL ENGINEERING 13762 2% 3% 142

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 ASPHALTENES 1721222 8% 67% 664 Search ASPHALTENES Search ASPHALTENES
2 NAPHTHENIC ACIDS 974064 4% 86% 293 Search NAPHTHENIC+ACIDS Search NAPHTHENIC+ACIDS
3 OIL SANDS 401564 3% 42% 246 Search OIL+SANDS Search OIL+SANDS
4 ASPHALTENE PRECIPITATION 328534 1% 82% 104 Search ASPHALTENE+PRECIPITATION Search ASPHALTENE+PRECIPITATION
5 DEMULSIFIER 223693 1% 77% 75 Search DEMULSIFIER Search DEMULSIFIER
6 VACUUM RESIDUE 199036 1% 61% 85 Search VACUUM+RESIDUE Search VACUUM+RESIDUE
7 IN SITU COMBUSTION 189506 1% 76% 65 Search IN+SITU+COMBUSTION Search IN+SITU+COMBUSTION
8 DEMULSIFICATION 155265 1% 51% 79 Search DEMULSIFICATION Search DEMULSIFICATION
9 HEAVY OIL 153676 2% 24% 167 Search HEAVY+OIL Search HEAVY+OIL
10 OIL SANDS PROCESS AFFECTED WATER 142659 1% 86% 43 Search OIL+SANDS+PROCESS+AFFECTED+WATER Search OIL+SANDS+PROCESS+AFFECTED+WATER

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 2


rank cluster_id2 link
1 3534 POUR POINT DEPRESSANT//WAXY CRUDE OIL//WAX DEPOSITION
2 3454 OIL SHALE//SHALE OIL//RETORTING
3 3267 FLUID CATALYTIC CRACKING//STEAM CRACKING//CHEMISCHE TECHNIK
4 2462 FERROGRAPHY//LUBRICATION ENGINEERING//THERMOPHYS PROPERTIES
5 3409 COAL TAR PITCH//MESOPHASE PITCH//PETROLEUM PITCH
6 1721 HYDRODESULFURIZATION//OXIDATIVE DESULFURIZATION//DIBENZOTHIOPHENE
7 733 FUEL//INTERNATIONAL JOURNAL OF COAL GEOLOGY//COAL
8 3873 AZAARENES//7H DIBENZOC GCARBAZOLE//DIBENZA JACRIDINE
9 369 ENGINEERING, PETROLEUM//PETR ENGN//JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING
10 878 ORGANIC GEOCHEMISTRY//BOTRYOCOCCUS BRAUNII//PETR EXPLORAT DEV

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