Base oil

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

Field Hierarchy

Parent
Physics 33M papers	Materials science 18.5M papers	Art 14.4M papers	Quantum mechanics 13.3M papers
Geography 13.2M papers	Composite material 8.7M papers	Optics 8.1M papers	History 8M papers
Archaeology 6.9M papers		Visual arts 1.8M papers
Current
Base oil 7,096 papers
Child
Viscosity index 2,726 papers		Synthetic oil 670 papers

Trends

Notes

History