Page last updated: 2024-08-05 14:41:42
fossil fuel
A fuel such as coal, oil and natural gas which has formed over many years through the decomposition of deposited vegetation which was under extreme pressure of an overburden of earth.
ChEBI ID: 35230
Members (1)
| Member | Definition | Class |
|---|---|---|
| methane | A one-carbon compound in which the carbon is attached by single bonds to four hydrogen atoms. It is a colourless, odourless, non-toxic but flammable gas (b.p. -161degreeC). | methane |
Research
Studies (38,144)
| Timeframe | Studies, Drugs with This Role(%) | All Drugs % |
|---|---|---|
| pre-1990 | 2,167 (5.68) | 18.7374 |
| 1990's | 796 (2.09) | 18.2507 |
| 2000's | 7,243 (18.99) | 29.6817 |
| 2010's | 20,160 (52.85) | 24.3611 |
| 2020's | 7,778 (20.39) | 2.80 |
Study Types
| Publication Type | Studies, Drugs with this Role (%) | All Drugs (%) |
|---|---|---|
| Trials | 249 (0.64%) | 5.53% |
| Reviews | 2,740 (7.00%) | 6.00% |
| Case Studies | 124 (0.32%) | 4.05% |
| Observational | 11 (0.03%) | 0.25% |
| Other | 36,018 (92.02%) | 84.16% |