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information about Coal field

Coal

https://www.wikidata.org/wiki/Q24489
Field Hierarchy
Parent
Chemistry
28.8M papers
Engineering
24.4M papers
Organic chemistry
13M papers
Geography
11.3M papers
History
7.1M papers
Archaeology
6.4M papers
Waste management
1.5M papers
Current
Coal
274k papers
Child
Coal mining
88.9k papers
Char
34.5k papers
Coal combustion products
16k papers
Energy source
11.2k papers
Fluidized bed combustion
11k papers
Pulverized coal-fired boiler
10.4k papers
Wood gas generator
9,595 papers
Bottom ash
7,784 papers
Coal gasification
7,742 papers
Bituminous coal
7,553 papers
Trends