Petroleum coke

https://www.wikidata.org/wiki/Q909123

Field Hierarchy

Parent
Chemistry 29.5M papers	Engineering 25.7M papers	Materials science 19M papers	Geography 13.4M papers
Organic chemistry 13.2M papers	History 8.1M papers	Archaeology 7M papers	Metallurgy 5M papers
Waste management 1.6M papers		Coal 293k papers
Current
Petroleum coke 5,665 papers
Child
Coke strength after reaction 1,584 papers

Trends

Notes

History