Bottom ash

https://www.wikidata.org/wiki/Q2205307

Field Hierarchy

Parent
Chemistry 28.4M papers	Engineering 23.9M papers	Materials science 18.2M papers	Organic chemistry 12.8M papers
Geography 11.1M papers	Composite material 8.6M papers	History 7M papers	Archaeology 6.3M papers
Waste management 1.5M papers		Coal 270k papers
Current
Bottom ash 7,616 papers
Child
Incinerator bottom ash 1,852 papers

Trends

Notes

History