information about Fossil fuel field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Biology 36.3M papers | Chemistry 29.5M papers | Engineering 25.1M papers | Organic chemistry 13.2M papers |
Ecology 8.2M papers | Waste management 1.6M papers | ||
| Current | |||
Fossil fuel 103k papers | |||
| Child | |||
Energy source 11.3k papers | Unconventional oil 7,138 papers | Shale oil 6,285 papers | Renewable fuels 5,919 papers |
Coal liquefaction 4,381 papers | Oil and natural gas 1,946 papers | Midstream 1,854 papers | Shale oil extraction 1,380 papers |
Natural gas industry 1,380 papers | Oil shale gas 1,362 papers | ||
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