Class information for: |
Basic class information |
ID | Publications | Average number of references |
Avg. shr. active ref. in WoS |
---|---|---|---|
4756 | 1657 | 35.0 | 42% |
Classes in level above (level 2) |
ID, lev. above |
Publications | Label for level above |
---|---|---|
1358 | 7802 | FLY ASH//INTERNATIONAL JOURNAL OF COAL GEOLOGY//COAL FLY ASH |
Terms with highest relevance score |
Rank | Term | Type of term | Relevance score (tfidf) |
Class's shr. of term's tot. occurrences |
Shr. of publ. in class containing term |
Num. of publ. in class |
---|---|---|---|---|---|---|
1 | INTERNATIONAL JOURNAL OF COAL GEOLOGY | Journal | 81 | 18% | 24% | 400 |
2 | MINERALS IN COAL | Author keyword | 34 | 93% | 1% | 13 |
3 | ENVIRONM SCI NANOTECHNOL | Address | 31 | 82% | 1% | 18 |
4 | MODES OF OCCURRENCE | Author keyword | 27 | 78% | 1% | 18 |
5 | MARINE OIL SHALE | Author keyword | 24 | 91% | 1% | 10 |
6 | MODE OF OCCURRENCE | Author keyword | 23 | 65% | 1% | 22 |
7 | TRACE ELEMENTS IN COAL | Author keyword | 17 | 79% | 1% | 11 |
8 | OURCE EXPLORAT HEBEI PROV | Address | 16 | 51% | 1% | 22 |
9 | MINERAL MATTER | Author keyword | 12 | 26% | 2% | 40 |
10 | FEED COAL | Author keyword | 12 | 86% | 0% | 6 |
Web of Science journal categories |
Author Key Words |
Rank | Web of Science journal category | Relevance score (tfidf) |
Class's shr. of term's tot. occurrences |
Shr. of publ. in class containing term |
Num. of publ. in class |
LCSH search | Wikipedia search |
---|---|---|---|---|---|---|---|
1 | MINERALS IN COAL | 34 | 93% | 1% | 13 | Search MINERALS+IN+COAL | Search MINERALS+IN+COAL |
2 | MODES OF OCCURRENCE | 27 | 78% | 1% | 18 | Search MODES+OF+OCCURRENCE | Search MODES+OF+OCCURRENCE |
3 | MARINE OIL SHALE | 24 | 91% | 1% | 10 | Search MARINE+OIL+SHALE | Search MARINE+OIL+SHALE |
4 | MODE OF OCCURRENCE | 23 | 65% | 1% | 22 | Search MODE+OF+OCCURRENCE | Search MODE+OF+OCCURRENCE |
5 | TRACE ELEMENTS IN COAL | 17 | 79% | 1% | 11 | Search TRACE+ELEMENTS+IN+COAL | Search TRACE+ELEMENTS+IN+COAL |
6 | MINERAL MATTER | 12 | 26% | 2% | 40 | Search MINERAL+MATTER | Search MINERAL+MATTER |
7 | FEED COAL | 12 | 86% | 0% | 6 | Search FEED+COAL | Search FEED+COAL |
8 | LATE PERMIAN COAL | 12 | 86% | 0% | 6 | Search LATE+PERMIAN+COAL | Search LATE+PERMIAN+COAL |
9 | TONSTEINS | 12 | 86% | 0% | 6 | Search TONSTEINS | Search TONSTEINS |
10 | JUNGAR COALFIELD | 11 | 100% | 0% | 6 | Search JUNGAR+COALFIELD | Search JUNGAR+COALFIELD |
Key Words Plus |
Rank | Web of Science journal category | Relevance score (tfidf) |
Class's shr. of term's tot. occurrences |
Shr. of publ. in class containing term |
Num. of publ. in class |
---|---|---|---|---|---|
1 | LATE PERMIAN COALS | 131 | 86% | 4% | 67 |
2 | ZHIJIN COALFIELD | 52 | 100% | 1% | 18 |
3 | COALFIELD | 43 | 38% | 5% | 91 |
4 | JUNGAR COALFIELD | 38 | 93% | 1% | 14 |
5 | WUDA COALFIELD | 36 | 83% | 1% | 20 |
6 | SOUTHWESTERN GUIZHOU | 32 | 88% | 1% | 15 |
7 | FEED COALS | 32 | 69% | 2% | 27 |
8 | HAZARDOUS TRACE ELEMENTS | 28 | 81% | 1% | 17 |
9 | SOUTHWESTERN GUIZHOU PROVINCE | 27 | 78% | 1% | 18 |
10 | HAERWUSU SURFACE MINE | 23 | 100% | 1% | 10 |
Journals |
Rank | Web of Science journal category | Relevance score (tfidf) |
Class's shr. of term's tot. occurrences |
Shr. of publ. in class containing term |
Num. of publ. in class |
---|---|---|---|---|---|
1 | INTERNATIONAL JOURNAL OF COAL GEOLOGY | 81 | 18% | 24% | 400 |
Reviews |
Title | Publ. year | Cit. | Active references | % act. ref. to same field |
---|---|---|---|---|
Geochemistry of trace elements in Chinese coals: A review of abundances, genetic types, impacts on human health, and industrial utilization | 2012 | 114 | 101 | 82% |
Review of coal as a promising source of lithium | 2015 | 2 | 42 | 76% |
Coal deposits as promising sources of rare metals for alternative power and energy-efficient technologies | 2013 | 20 | 29 | 93% |
Analysis and significance of mineral matter in coal seams | 2002 | 232 | 94 | 70% |
Metalliferous coals: A review of the main genetic and geochemical types | 2008 | 58 | 42 | 86% |
Arsenic in coal: a review | 2005 | 102 | 91 | 74% |
Coal deposits as potential alternative sources for lanthanides and yttrium | 2012 | 30 | 41 | 76% |
Selenium in coal: A review | 2006 | 49 | 29 | 83% |
Sulfur in coals: A review of geochemistry and origins | 2012 | 48 | 117 | 46% |
Mercury capture by native fly ash carbons in coal-fired power plants | 2010 | 60 | 159 | 43% |
Address terms |
Rank | Address term | Relevance score (tfidf) |
Class's shr. of term's tot. occurrences |
Shr. of publ. in class containing term |
Num. of publ. in class |
---|---|---|---|---|---|
1 | ENVIRONM SCI NANOTECHNOL | 31 | 82% | 1.1% | 18 |
2 | OURCE EXPLORAT HEBEI PROV | 16 | 51% | 1.3% | 22 |
3 | CATARINENSE ENVIRONM HUMAN DEV | 9 | 83% | 0.3% | 5 |
4 | PL ENERGY | 8 | 10% | 4.6% | 76 |
5 | ENVIRONM NANOTECHNOL DEV | 7 | 56% | 0.5% | 9 |
6 | STATE COAL OURCES SAFE MIN | 7 | 13% | 2.9% | 48 |
7 | ENVIRONM STUDY GRP | 7 | 67% | 0.4% | 6 |
8 | SEDIMENTARY BASIN MINERAL | 6 | 71% | 0.3% | 5 |
9 | COAL ORGAN PETROL | 6 | 50% | 0.5% | 8 |
10 | DEV TOURIST OPPORTUN | 6 | 100% | 0.2% | 4 |
Related classes at same level (level 1) |
Rank | Relatedness score | Related classes |
---|---|---|
1 | 0.0000249642 | FOAM INDEX//MICHIGAN TECH TRANSPORTAT//AIR ENTRAINING AGENTS |
2 | 0.0000245528 | INTERNATIONAL JOURNAL OF COAL GEOLOGY//MICROLITHOTYPES//COAL PETROLOGY |
3 | 0.0000185470 | HEAVY METAL VAPORIZATION//CHLORIDE CAPACITY//SERV CHIM GEN CARBOCHIM |
4 | 0.0000158032 | MERCURY CAPTURE//MERCURY OXIDATION//ELEMENTAL MERCURY |
5 | 0.0000139201 | COAL FLY ASH//FLY ASH DEPOSITS//FOSSIL FUEL ENVIRONM GEOCHEM GRP |
6 | 0.0000119538 | SLAGGING//ASH DEPOSITION//BED AGGLOMERATION |
7 | 0.0000099243 | ASPHALTITE//ULTRA CLEAN COAL//COAL DEMINERALISATION |
8 | 0.0000081448 | SLIDING MUD//EARTH PLANETARY SYST//MELANGE AGGREGATION |
9 | 0.0000059726 | ENVIRONMENTAL MAGNETISM//MAGNETIC PROXIES//TECHNOGENIC MAGNETIC PARTICLES |
10 | 0.0000050573 | FLY ASH PARTICLES//SPHEROIDAL CARBONACEOUS PARTICLES SCPS//SPHEROIDAL CARBONACEOUS PARTICLES |