Coal gasification

https://www.wikidata.org/wiki/Q909968

Field Hierarchy

Parent
Chemistry 28.9M papers	Engineering 25M papers	Geography 13.2M papers	Organic chemistry 12.9M papers
History 8M papers	Archaeology 6.9M papers	Waste management 1.6M papers	Coal 287k papers
Current
Coal gasification 8,893 papers
Child
Underground coal gasification 1,611 papers

Trends

Notes

History