Class information for: |
Basic class information |
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 |
Terms with highest relevance score |
rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
---|---|---|---|---|---|---|
1 | POUR POINT DEPRESSANT | authKW | 2092099 | 8% | 85% | 102 |
2 | WAXY CRUDE OIL | authKW | 1592099 | 6% | 82% | 80 |
3 | WAX DEPOSITION | authKW | 1187872 | 4% | 86% | 57 |
4 | FLOW IMPROVER | authKW | 805722 | 3% | 90% | 37 |
5 | WAX PRECIPITATION | authKW | 644146 | 2% | 86% | 31 |
6 | BEIJING URBAN OIL GAS DISTRIBUT TECHNOL | address | 510086 | 6% | 29% | 74 |
7 | NAT PROD POLYMER CHEM | address | 495792 | 3% | 62% | 33 |
8 | WAX APPEARANCE TEMPERATURE | authKW | 462676 | 2% | 91% | 21 |
9 | WAXY CRUDE | authKW | 449195 | 2% | 85% | 22 |
10 | POUR POINT | authKW | 328974 | 4% | 29% | 47 |
Web of Science journal categories |
chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
---|---|---|---|---|---|
1 | Engineering, Petroleum | 128905 | 32% | 1% | 414 |
2 | Energy & Fuels | 35762 | 54% | 0% | 700 |
3 | Engineering, Chemical | 25306 | 58% | 0% | 753 |
4 | Thermodynamics | 824 | 7% | 0% | 91 |
5 | Chemistry, Physical | 249 | 12% | 0% | 160 |
6 | Mechanics | 168 | 5% | 0% | 65 |
7 | Engineering, Mechanical | 129 | 4% | 0% | 54 |
8 | Polymer Science | 105 | 5% | 0% | 60 |
9 | Chemistry, Applied | 36 | 2% | 0% | 31 |
10 | Engineering, General | 25 | 2% | 0% | 21 |
Address terms |
chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
---|---|---|---|---|---|
1 | BEIJING URBAN OIL GAS DISTRIBUT TECHNOL | 510086 | 6% | 29% | 74 |
2 | NAT PROD POLYMER CHEM | 495792 | 3% | 62% | 33 |
3 | ENGN PIPELINE SAFETY | 217128 | 3% | 27% | 33 |
4 | PETR STORAGE TRANSPORTAT | 208553 | 1% | 79% | 11 |
5 | POST PROGRAM MECH MAT ENGN PPGEM | 84450 | 1% | 50% | 7 |
6 | PETR PLICAT | 81479 | 2% | 14% | 25 |
7 | MCDOUGAL PETR ENGN | 72392 | 0% | 100% | 3 |
8 | PARAFFIN DEPOSIT PROJECTS | 72392 | 0% | 100% | 3 |
9 | QUIM CONJUNTO E | 54293 | 0% | 75% | 3 |
10 | BEIJING OIL GAS DISTRIBUT TECHNOL | 48261 | 0% | 100% | 2 |
Journals |
chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
---|---|---|---|---|---|
1 | PETROLEUM SCIENCE AND TECHNOLOGY | 275123 | 14% | 6% | 188 |
2 | ENERGY & FUELS | 51744 | 13% | 1% | 165 |
3 | CHEMISTRY AND TECHNOLOGY OF FUELS AND OILS | 34807 | 3% | 4% | 38 |
4 | JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING | 24691 | 5% | 2% | 61 |
5 | FUEL | 12670 | 7% | 1% | 91 |
6 | JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY | 10571 | 3% | 1% | 41 |
7 | PETROLEUM SCIENCE | 4349 | 1% | 2% | 11 |
8 | OIL & GAS JOURNAL | 4202 | 2% | 1% | 22 |
9 | NEFTYANOE KHOZYAISTVO | 3535 | 1% | 2% | 8 |
10 | FLUID PHASE EQUILIBRIA | 3363 | 3% | 0% | 37 |
Author Key Words |
chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass | LCSH search | Wikipedia search |
---|---|---|---|---|---|---|---|
1 | POUR POINT DEPRESSANT | 2092099 | 8% | 85% | 102 | Search POUR+POINT+DEPRESSANT | Search POUR+POINT+DEPRESSANT |
2 | WAXY CRUDE OIL | 1592099 | 6% | 82% | 80 | Search WAXY+CRUDE+OIL | Search WAXY+CRUDE+OIL |
3 | WAX DEPOSITION | 1187872 | 4% | 86% | 57 | Search WAX+DEPOSITION | Search WAX+DEPOSITION |
4 | FLOW IMPROVER | 805722 | 3% | 90% | 37 | Search FLOW+IMPROVER | Search FLOW+IMPROVER |
5 | WAX PRECIPITATION | 644146 | 2% | 86% | 31 | Search WAX+PRECIPITATION | Search WAX+PRECIPITATION |
6 | WAX APPEARANCE TEMPERATURE | 462676 | 2% | 91% | 21 | Search WAX+APPEARANCE+TEMPERATURE | Search WAX+APPEARANCE+TEMPERATURE |
7 | WAXY CRUDE | 449195 | 2% | 85% | 22 | Search WAXY+CRUDE | Search WAXY+CRUDE |
8 | POUR POINT | 328974 | 4% | 29% | 47 | Search POUR+POINT | Search POUR+POINT |
9 | VISCOSITY INDEX IMPROVER | 241287 | 2% | 50% | 20 | Search VISCOSITY+INDEX+IMPROVER | Search VISCOSITY+INDEX+IMPROVER |
10 | VISCOSITY MODIFIER | 199257 | 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 1 |