Class information for:
Level 2: POUR POINT DEPRESSANT//WAXY CRUDE OIL//WAX DEPOSITION

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
9 4 PLANT SCIENCES//FOOD SCIENCE & TECHNOLOGY//AGRONOMY 1475572
679 3       JOUYBAN ACREE MODEL//ICE CREAM//POUR POINT DEPRESSANT 8906
3534 2             POUR POINT DEPRESSANT//WAXY CRUDE OIL//WAX DEPOSITION 1489
8205 1                   POUR POINT DEPRESSANT//WAXY CRUDE OIL//WAX DEPOSITION 1306
35420 1                   CRUDE PETROLATUM//SLACK WAXES//DEOILING TECHNIQUES 112
38040 1                   COMPOSITE SCI WORKGRP//DEGRADATION OF EVA//RANGE OPERAT DIRECTORATE DATA SCI 71

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 POUR POINT DEPRESSANT authKW 1834952 7% 85% 102
2 WAXY CRUDE OIL authKW 1396408 5% 82% 80
3 WAX DEPOSITION authKW 1041867 4% 86% 57
4 FLOW IMPROVER authKW 706689 2% 90% 37
5 WAX PRECIPITATION authKW 564972 2% 86% 31
6 BEIJING URBAN OIL GAS DISTRIBUT TECHNOL address 447377 5% 29% 74
7 NAT PROD POLYMER CHEM address 434851 2% 62% 33
8 WAX APPEARANCE TEMPERATURE authKW 405807 1% 91% 21
9 WAXY CRUDE authKW 393983 1% 85% 22
10 POUR POINT authKW 288531 3% 29% 47

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Engineering, Petroleum 125910 29% 1% 437
2 Energy & Fuels 35142 50% 0% 742
3 Engineering, Chemical 25270 54% 0% 805
4 Thermodynamics 964 7% 0% 105
5 Polymer Science 342 7% 0% 102
6 Chemistry, Physical 215 11% 0% 166
7 Mechanics 141 4% 0% 66
8 Engineering, General 104 3% 0% 38
9 Engineering, Mechanical 104 4% 0% 54
10 Geology 70 1% 0% 17

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 BEIJING URBAN OIL GAS DISTRIBUT TECHNOL 447377 5% 29% 74
2 NAT PROD POLYMER CHEM 434851 2% 62% 33
3 ENGN PIPELINE SAFETY 190435 2% 27% 33
4 PETR STORAGE TRANSPORTAT 182919 1% 79% 11
5 POST PROGRAM MECH MAT ENGN PPGEM 74070 0% 50% 7
6 PETR PLICAT 71459 2% 14% 25
7 MCDOUGAL PETR ENGN 63494 0% 100% 3
8 PARAFFIN DEPOSIT PROJECTS 63494 0% 100% 3
9 QUIM CONJUNTO E 47619 0% 75% 3
10 BEIJING OIL GAS DISTRIBUT TECHNOL 42329 0% 100% 2

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PETROLEUM SCIENCE AND TECHNOLOGY 259580 13% 6% 195
2 CHEMISTRY AND TECHNOLOGY OF FUELS AND OILS 48721 3% 5% 48
3 ENERGY & FUELS 45344 11% 1% 165
4 JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING 21641 4% 2% 61
5 FUEL 11338 6% 1% 92
6 JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY 9721 3% 1% 42
7 ERDOL & KOHLE ERDGAS PETROCHEMIE 5469 1% 2% 15
8 PETROLEUM SCIENCE 3812 1% 2% 11
9 OIL & GAS JOURNAL 3680 1% 1% 22
10 PROCEEDINGS OF THE KONINKLIJKE NEDERLANDSE AKADEMIE VAN WETENSCHAPPEN SERIES B-PALAEONTOLOGY GEOLOGY PHYSICS CHEMISTRY ANTHROPOLOGY 3301 0% 3% 6

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 POUR POINT DEPRESSANT 1834952 7% 85% 102 Search POUR+POINT+DEPRESSANT Search POUR+POINT+DEPRESSANT
2 WAXY CRUDE OIL 1396408 5% 82% 80 Search WAXY+CRUDE+OIL Search WAXY+CRUDE+OIL
3 WAX DEPOSITION 1041867 4% 86% 57 Search WAX+DEPOSITION Search WAX+DEPOSITION
4 FLOW IMPROVER 706689 2% 90% 37 Search FLOW+IMPROVER Search FLOW+IMPROVER
5 WAX PRECIPITATION 564972 2% 86% 31 Search WAX+PRECIPITATION Search WAX+PRECIPITATION
6 WAX APPEARANCE TEMPERATURE 405807 1% 91% 21 Search WAX+APPEARANCE+TEMPERATURE Search WAX+APPEARANCE+TEMPERATURE
7 WAXY CRUDE 393983 1% 85% 22 Search WAXY+CRUDE Search WAXY+CRUDE
8 POUR POINT 288531 3% 29% 47 Search POUR+POINT Search POUR+POINT
9 VISCOSITY INDEX IMPROVER 211627 1% 50% 20 Search VISCOSITY+INDEX+IMPROVER Search VISCOSITY+INDEX+IMPROVER
10 VISCOSITY MODIFIER 174764 1% 52% 16 Search VISCOSITY+MODIFIER Search VISCOSITY+MODIFIER

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 3585 ROTATOR PHASE//THERMODYNAM SEPARAT//SURFACE FREEZING
2 1429 ASPHALTENES//NAPHTHENIC ACIDS//ENERGY & FUELS
3 2462 FERROGRAPHY//LUBRICATION ENGINEERING//THERMOPHYS PROPERTIES
4 3479 BIOLUBRICANT//ESTOLIDES//IN SITU EPOXIDATION
5 3673 DRAG REDUCTION//DRAG REDUCING POLYMERS//TURBULENT DRAG REDUCTION
6 2607 ICE CREAM//COCOA BUTTER//SOLID FAT CONTENT
7 926 JOURNAL OF NON-NEWTONIAN FLUID MECHANICS//RHEOLOGICA ACTA//JOURNAL OF RHEOLOGY
8 3053 ACOUSTICAL PARAMETERS//DILUTE SOLUTION VISCOMETRY//ULTRASONIC VELOCITY
9 1527 PICKERING EMULSION//MEMBRANE EMULSIFICATION//NANOEMULSION
10 2744 SCALE INHIBITOR//ANTISCALANT//FOULING

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