Class information for:
Level 1: CHEMICAL TYPE OF OIL//ELEMENT ENRICHMENT FACTORS//MERCURY IN SOILS

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
33931 118 20.2 18%


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
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
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 CHEMICAL TYPE OF OIL authKW 258776 1% 100% 1
2 ELEMENT ENRICHMENT FACTORS authKW 258776 1% 100% 1
3 MERCURY IN SOILS authKW 258776 1% 100% 1
4 OBOLUS PHOSPHORITES authKW 258776 1% 100% 1
5 RUNDLE authKW 258776 1% 100% 1
6 TRACE ELEMENT INDICATORS authKW 258776 1% 100% 1
7 MINERAL GEOCHEM PETROG address 172515 2% 33% 2
8 POB 999 address 172515 2% 33% 2
9 OIL SHALE journal 135156 16% 3% 19
10 DICTYONEMA SHALES authKW 129387 1% 50% 1

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 6070 23% 0% 27
2 Energy & Fuels 723 25% 0% 30
3 Environmental Sciences 450 31% 0% 36
4 Geochemistry & Geophysics 374 16% 0% 19
5 Soil Science 273 9% 0% 11
6 Engineering, Environmental 118 8% 0% 10
7 Water Resources 103 8% 0% 10
8 Engineering, Chemical 44 9% 0% 11
9 Geosciences, Multidisciplinary 37 8% 0% 9
10 Geology 34 3% 0% 3

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 MINERAL GEOCHEM PETROG 172515 2% 33% 2
2 POB 999 172515 2% 33% 2
3 GEOCHEM SECT 49287 2% 10% 2
4 OIL SHALE 13618 1% 5% 1
5 OIL GAS PROBLEMS 9076 2% 2% 2
6 CLIPPINGER S 316 4881 1% 2% 1
7 UQAM 3042 1% 1% 1
8 CINBIOSE 2486 1% 1% 1
9 SOIL SCI SOIL PROTECT 1001 1% 0% 1
10 CHEM PROC ENGN 187 2% 0% 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 OIL SHALE 135156 16% 3% 19
2 MINERALS AND THE ENVIRONMENT 19526 2% 4% 2
3 ENVIRONMENTAL GEOLOGY AND WATER SCIENCES 13840 3% 1% 4
4 GEOKHIMIYA 12323 10% 0% 12
5 JOURNAL OF ENVIRONMENTAL QUALITY 6497 11% 0% 13
6 ENVIRONMENTAL TECHNOLOGY LETTERS 5440 3% 1% 4
7 GLOBAL ECOLOGY AND BIOGEOGRAPHY LETTERS 4619 1% 2% 1
8 AAPG BULLETIN-AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS 3602 3% 0% 4
9 SOIL SCIENCE SOCIETY OF AMERICA JOURNAL 998 5% 0% 6
10 ORIGINS OF LIFE AND EVOLUTION OF THE BIOSPHERE 953 1% 0% 1

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 CHEMICAL TYPE OF OIL 258776 1% 100% 1 Search CHEMICAL+TYPE+OF+OIL Search CHEMICAL+TYPE+OF+OIL
2 ELEMENT ENRICHMENT FACTORS 258776 1% 100% 1 Search ELEMENT+ENRICHMENT+FACTORS Search ELEMENT+ENRICHMENT+FACTORS
3 MERCURY IN SOILS 258776 1% 100% 1 Search MERCURY+IN+SOILS Search MERCURY+IN+SOILS
4 OBOLUS PHOSPHORITES 258776 1% 100% 1 Search OBOLUS+PHOSPHORITES Search OBOLUS+PHOSPHORITES
5 RUNDLE 258776 1% 100% 1 Search RUNDLE Search RUNDLE
6 TRACE ELEMENT INDICATORS 258776 1% 100% 1 Search TRACE+ELEMENT+INDICATORS Search TRACE+ELEMENT+INDICATORS
7 DICTYONEMA SHALES 129387 1% 50% 1 Search DICTYONEMA+SHALES Search DICTYONEMA+SHALES
8 GRAPTOLITE ARGILLITE 129387 1% 50% 1 Search GRAPTOLITE+ARGILLITE Search GRAPTOLITE+ARGILLITE
9 OIL MATURITY 86257 1% 33% 1 Search OIL+MATURITY Search OIL+MATURITY
10 RETORTED SHALE 86257 1% 33% 1 Search RETORTED+SHALE Search RETORTED+SHALE

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 ESSINGTON, ME , (1992) FLUORINE AND MOLYBDENUM SOLUBILITY RELATIONSHIPS IN COMBUSTED OIL-SHALE.JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-ENVIRONMENTAL SCIENCE AND ENGINEERING & TOXIC AND HAZARDOUS SUBSTANCE CONTROL. VOL. A27. ISSUE 2. P. 547-564 11 85% 4
2 ESSINGTON, ME , (1991) LABORATORY WEATHERING OF COMBUSTED OIL-SHALE.JOURNAL OF ENVIRONMENTAL QUALITY. VOL. 20. ISSUE 4. P. 794-801 9 82% 5
3 PAPAY, L , (2001) COMPARATIVE ANALYSIS OF HUNGARIAN MAAR-TYPE OIL SHALES (ALGINITES) ON THE BASIS OF SULFUR CONTENT.OIL SHALE. VOL. 18. ISSUE 2. P. 139-148 6 75% 2
4 ESSINGTON, ME , (1990) CALCIUM MOLYBDATE SOLUBILITY IN SPENT OIL-SHALE AND A PRELIMINARY EVALUATION OF THE ASSOCIATION CONSTANTS FOR THE FORMATION OF CAMOO40(AQ), KMOO4-(AQ), AND NAMOO4-(AQ).ENVIRONMENTAL SCIENCE & TECHNOLOGY. VOL. 24. ISSUE 2. P. 214-220 7 78% 15
5 MARSH, KN , BEVAN, JW , HOLSTE, JC , MCFARLANE, DL , ELIADES, M , ROGERS, WJ , (2016) SOLUBILITY OF MERCURY IN LIQUID HYDROCARBONS AND HYDROCARBON MIXTURES.JOURNAL OF CHEMICAL AND ENGINEERING DATA. VOL. 61. ISSUE 8. P. 2805 -2817 3 75% 0
6 LIPPMAA, E , MAREMAE, E , (2003) THE BEGINNINGS OF URANIUM PRODUCTION IN ESTONIA.OIL SHALE. VOL. 20. ISSUE 2. P. 167 -174 3 100% 0
7 ESSINGTON, ME , (1992) ADSORPTION OF PYRIDINE BY COMBUSTED OIL-SHALE.ENVIRONMENTAL GEOLOGY AND WATER SCIENCES. VOL. 19. ISSUE 2. P. 83-89 6 67% 4
8 REDDY, KJ , HASFURTHER, VR , (1989) SOLUBILITY AND RELEASE OF FLUORINE AND MOLYBDENUM FROM OIL-SHALE SOLID-WASTES.WATER RESEARCH. VOL. 23. ISSUE 7. P. 833-836 5 83% 7
9 VESKI, R , PALU, V , (2003) INVESTIGATION OF DICTYONEMA OIL SHALE AND ITS NATURAL AND ARTIFICIAL TRANSFORMATION PRODUCTS BY A VANKREVELENOGRAM.OIL SHALE. VOL. 20. ISSUE 3. P. 265 -281 4 57% 4
10 ESSINGTON, ME , (1989) TRACE-ELEMENT MINERAL TRANSFORMATIONS ASSOCIATED WITH HYDRATION AND RECARBONATION OF RETORTED OIL-SHALE.ENVIRONMENTAL GEOLOGY AND WATER SCIENCES. VOL. 13. ISSUE 1. P. 59-66 8 47% 6

Classes with closest relation at Level 1


Rank Class id link
1 36649 OLIVE STONE BIOMASS//TIO2 V2O5 PHOTOCATALYST//MOLYBDENUM VANADIUM
2 7053 OIL SHALE//OIL SHALE ASH//SHALE OIL
3 17827 NICOTINE DEGRADATION//MOLYBDO IRON SULFUR FLAVOPROTEIN//NICOTINE CATABOLISM
4 37244 FRAL//ATMOSPHERIC DRY DEPOSITIONS//ENVI RONMENTAL INEQUALITIES
5 34823 A NALBANDYAN CHEM PHYS//BOUND NAD//CNRS 6516
6 34758 VACUUM TOWER BOTTOMS//GALACTIC YEAR//MONTE CARLO IMITATION
7 18884 RETORT WATER//ANTIBIOTIC CHLORAMPHENICOL//ANTIOXIDANT EMBOLISM
8 15383 VANADYL PORPHYRINS//STERYL CHLORIN ESTERS//PETROPORPHYRINS
9 33862 FILTER CLEANLINESS//ABANDONED HARDROCK MINES//AMENDMENT MIXING DEVICE
10 28836 ULTRASONIC CLEANING//ULTRASOUND RADIATION PRESSURE//CAVITATION ACTIVATOR

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