Base oil

https://www.wikidata.org/wiki/Q19903441

Field Hierarchy

Parent
Physics 33.5M papers	Materials science 18.9M papers	Art 14.6M papers	Quantum mechanics 13.5M papers
Geography 13.3M papers	Composite material 8.8M papers	Optics 8.2M papers	History 8.1M papers
Archaeology 7M papers		Visual arts 1.8M papers
Current
Base oil 7,220 papers
Child
Viscosity index 2,760 papers		Synthetic oil 680 papers

Trends

Notes

History