Class information for: |
Basic class information |
Class id | #P | Avg. number of references |
Database coverage of references |
---|---|---|---|
3064 | 2426 | 23.8 | 42% |
Hierarchy of classes |
The table includes all classes above and classes immediately below the current class. |
Cluster id | Level | Cluster label | #P |
---|---|---|---|
18 | 4 | THERMODYNAMICS//ENERGY & FUELS//ENGINEERING, CHEMICAL | 531182 |
381 | 3 | FUEL//HYDRODESULFURIZATION//ENERGY & FUELS | 31814 |
3064 | 2 | OIL SHALE//OIL SHALE ASH//VANADYL PORPHYRINS | 2426 |
7053 | 1 | OIL SHALE//OIL SHALE ASH//SHALE OIL | 1411 |
15383 | 1 | VANADYL PORPHYRINS//STERYL CHLORIN ESTERS//PETROPORPHYRINS | 715 |
29624 | 1 | OIL SHALE//NE ESTONIAN//NE ESTONIA | 182 |
33931 | 1 | CHEMICAL TYPE OF OIL//ELEMENT ENRICHMENT FACTORS//MERCURY IN SOILS | 118 |
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 | OIL SHALE | journal | 3820038 | 19% | 66% | 458 |
2 | OIL SHALE ASH | authKW | 195224 | 1% | 48% | 32 |
3 | VANADYL PORPHYRINS | authKW | 191419 | 1% | 89% | 17 |
4 | SHALE OIL | authKW | 183132 | 2% | 33% | 44 |
5 | RETORTING | authKW | 143810 | 1% | 57% | 20 |
6 | NE ESTONIAN | address | 129816 | 1% | 74% | 14 |
7 | ENGINEERING, PETROLEUM | WoSSC | 118078 | 22% | 2% | 540 |
8 | STERYL CHLORIN ESTERS | authKW | 100679 | 0% | 100% | 8 |
9 | ENGN OIL SHALE COMPREHENS UTILIZAT | address | 84590 | 0% | 61% | 11 |
10 | FUEL | journal | 81472 | 13% | 2% | 310 |
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, Petroleum | 118078 | 22% | 2% | 540 |
2 | Energy & Fuels | 58595 | 50% | 0% | 1201 |
3 | Engineering, Chemical | 13514 | 32% | 0% | 765 |
4 | Geochemistry & Geophysics | 2127 | 9% | 0% | 214 |
5 | Chemistry, Analytical | 831 | 9% | 0% | 226 |
6 | Thermodynamics | 789 | 5% | 0% | 126 |
7 | Spectroscopy | 317 | 4% | 0% | 92 |
8 | Chemistry, Applied | 203 | 4% | 0% | 85 |
9 | Chemistry, Organic | 162 | 5% | 0% | 131 |
10 | Environmental Sciences | 121 | 5% | 0% | 130 |
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 | NE ESTONIAN | 129816 | 1% | 74% | 14 |
2 | OIL SHALE | 111931 | 1% | 68% | 13 |
3 | ENGN OIL SHALE COMPREHENS UTILIZAT | 84590 | 0% | 61% | 11 |
4 | THERMAL ENERGY ENGN | 76614 | 2% | 16% | 38 |
5 | OIL SHALE RENEWABLES | 73217 | 0% | 73% | 8 |
6 | GEOCHEM COSMOCHEM | 72503 | 0% | 52% | 11 |
7 | OIL SHALE TECHNOL | 44040 | 0% | 50% | 7 |
8 | REACT SYST SOLIDE GAZ | 40270 | 0% | 80% | 4 |
9 | SHALE OIL PLANT | 37755 | 0% | 100% | 3 |
10 | SHALE OIL REFINERY | 37755 | 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 | OIL SHALE | 3820038 | 19% | 66% | 458 |
2 | FUEL | 81472 | 13% | 2% | 310 |
3 | ORGANIC GEOCHEMISTRY | 30383 | 4% | 2% | 99 |
4 | ENERGY & FUELS | 19423 | 6% | 1% | 136 |
5 | FUEL PROCESSING TECHNOLOGY | 13190 | 3% | 1% | 73 |
6 | GEOKHIMIYA | 7626 | 2% | 1% | 43 |
7 | ENERGY SOURCES | 7062 | 1% | 2% | 26 |
8 | JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS | 5363 | 2% | 1% | 40 |
9 | INDUSTRIAL & ENGINEERING CHEMISTRY PROCESS DESIGN AND DEVELOPMENT | 4570 | 1% | 2% | 19 |
10 | SOLID FUEL CHEMISTRY | 4367 | 0% | 3% | 11 |
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 | OIL SHALE | 2519005 | 15% | 57% | 354 | Search OIL+SHALE | Search OIL+SHALE |
2 | OIL SHALE ASH | 195224 | 1% | 48% | 32 | Search OIL+SHALE+ASH | Search OIL+SHALE+ASH |
3 | VANADYL PORPHYRINS | 191419 | 1% | 89% | 17 | Search VANADYL+PORPHYRINS | Search VANADYL+PORPHYRINS |
4 | SHALE OIL | 183132 | 2% | 33% | 44 | Search SHALE+OIL | Search SHALE+OIL |
5 | RETORTING | 143810 | 1% | 57% | 20 | Search RETORTING | Search RETORTING |
6 | STERYL CHLORIN ESTERS | 100679 | 0% | 100% | 8 | Search STERYL+CHLORIN+ESTERS | Search STERYL+CHLORIN+ESTERS |
7 | PETROPORPHYRINS | 78648 | 0% | 63% | 10 | Search PETROPORPHYRINS | Search PETROPORPHYRINS |
8 | GEOPORPHYRINS | 77081 | 0% | 88% | 7 | Search GEOPORPHYRINS | Search GEOPORPHYRINS |
9 | OIL SHALE SEMICOKE | 77081 | 0% | 88% | 7 | Search OIL+SHALE+SEMICOKE | Search OIL+SHALE+SEMICOKE |
10 | KEROGEN | 74707 | 2% | 12% | 49 | Search KEROGEN | Search KEROGEN |
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 | HAN, XX , KULAOTS, I , JIANG, XM , SUUBERG, EM , (2014) REVIEW OF OIL SHALE SEMICOKE AND ITS COMBUSTION UTILIZATION.FUEL. VOL. 126. ISSUE . P. 143-161 | 52 | 83% | 25 |
2 | LASH, TD , LI, W , QUIZON-COLQUITT, DM , (2007) PORPHYRINS WITH EXOCYCLIC RINGS. PART 22: SYNTHESIS OF DEOXOPHYLLOERYTHROETIOPORPHYRIN (DPEP), THREE RING HOMOLOGUES, AND FIVE RELATED NONPOLAR BACTERIOPETROPORPHYRINS USING A WESTERN RING CLOSURE AND AN IMPROVED B-BILENE METHODOLOGY.TETRAHEDRON. VOL. 63. ISSUE 50. P. 12324 -12342 | 69 | 82% | 6 |
3 | ZHAO, X , XU, CM , SHI, Q , (2016) PORPHYRINS IN HEAVY PETROLEUMS: A REVIEW.STRUCTURE AND MODELING OF COMPLEX PETROLEUM MIXTURES. VOL. 168. ISSUE . P. 39 -70 | 59 | 65% | 1 |
4 | SHINER, CM , LASH, TD , (2005) PORPHYRINS WITH EXOCYCLIC RINGS. PART 21: INFLUENCE OF PYRROLIC AND CARBOCYCLIC RING ALKYL SUBSTITUENTS ON THE SYNTHESIS OF PORPHYRINS BEARING SIX-MEMBERED EXOCYCLIC RINGS.TETRAHEDRON. VOL. 61. ISSUE 49. P. 11628 -11640 | 43 | 88% | 67 |
5 | WANG, W , MA, Y , LI, SY , YUE, CT , WU, JX , TENG, JS , (2016) PYROLYSIS CHARACTERISTICS OF LONGKOU OIL SHALE UNDER OPTIMIZED CONDITION.JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY. VOL. 125. ISSUE 2. P. 983 -990 | 32 | 97% | 0 |
6 | SMITH, BE , LASH, TD , (2010) PORPHYRINS WITH EXOCYCLIC RINGS. PART 25: SYNTHESIS OF PORPHYRINS WITH A FUSED CYCLIC ETHER SUBUNIT FROM TETRAHYDRO-4H-PYAN-4-ONE.TETRAHEDRON. VOL. 66. ISSUE 25. P. 4413 -4422 | 46 | 75% | 8 |
7 | KASHIYAMA, Y , KITAZATO, H , OHKOUCHI, N , (2007) AN IMPROVED METHOD FOR ISOLATION AND PURIFICATION OF SEDIMENTARY PORPHYRINS BY HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY FOR COMPOUND-SPECIFIC ISOTOPIC ANALYSIS.JOURNAL OF CHROMATOGRAPHY A. VOL. 1138. ISSUE 1-2. P. 73 -83 | 40 | 93% | 13 |
8 | GUO, HF , PEI, YS , WANG, KK , CHENG, QX , DING, Y , JIN, Z , YANG, YD , WU, QC , LIU, YY , (2015) IDENTIFYING THE REACTION MECHANISM OF OIL-SHALE SELF-HEATING RETORTING BY THERMAL ANALYSIS TECHNIQUES.FUEL. VOL. 160. ISSUE . P. 255 -264 | 34 | 83% | 0 |
9 | CHEN, MY , CHENG, YP , LI, W , (2015) EXPLOITATION AND UTILIZATION OF OIL SHALE IN THE COAL MEASURE STRATA OF THE HAISHIWAN MINE, YAOJIE COALFIELD, CHINA.OIL SHALE. VOL. 32. ISSUE 4. P. 335 -355 | 34 | 83% | 0 |
10 | WANG, S , LIU, JX , JIANG, XM , HAN, XX , TONG, JH , (2013) EFFECT OF HEATING RATE ON PRODUCTS YIELD AND CHARACTERISTICS OF NON-CONDENSABLE GASES AND SHALE OIL OBTAINED BY RETORTING DACHENGZI OIL SHALE.OIL SHALE. VOL. 30. ISSUE 1. P. 27-47 | 30 | 94% | 7 |
Classes with closest relation at Level 2 |