Parabolic trough

https://www.wikidata.org/wiki/Q2051219

Field Hierarchy

Parent
Biology 34.8M papers	Physics 31.7M papers	Engineering 23.9M papers	Geography 11.1M papers
Ecology 7.8M papers	Thermodynamics 5M papers	Electrical engineering 4.7M papers	Meteorology 2.6M papers
Thermal 535k papers		Solar energy 88.6k papers
Current
Parabolic trough 5,812 papers
Child

Trends

Notes

History