| D008697 |
Methane |
The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It is one of the chief constituents of natural gas and is formed in the decomposition of organic matter. (Grant & Hackh's Chemical Dictionary, 5th ed) |
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| D008962 |
Models, Theoretical |
Theoretical representations that simulate the behavior or activity of systems, processes, or phenomena. They include the use of mathematical equations, computers, and other electronic equipment. |
Experimental Model,Experimental Models,Mathematical Model,Model, Experimental,Models (Theoretical),Models, Experimental,Models, Theoretic,Theoretical Study,Mathematical Models,Model (Theoretical),Model, Mathematical,Model, Theoretical,Models, Mathematical,Studies, Theoretical,Study, Theoretical,Theoretical Model,Theoretical Models,Theoretical Studies |
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| D003031 |
Coal |
A natural fuel formed by partial decomposition of vegetable matter under certain environmental conditions. |
Anthracite,Bituminous Coal,Brown Coal,Lignite,Lignitious Coal,Peat Coal,Soft Coal,Anthracites,Bituminous Coals,Brown Coals,Coal, Bituminous,Coal, Brown,Coal, Lignitious,Coal, Peat,Coal, Soft,Coals,Coals, Bituminous,Coals, Brown,Coals, Lignitious,Coals, Peat,Coals, Soft,Lignites,Lignitious Coals,Peat Coals,Soft Coals |
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| D004560 |
Electricity |
The physical effects involving the presence of electric charges at rest and in motion. |
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| D004736 |
Energy-Generating Resources |
Materials or phenomena which can provide energy directly or via conversion. |
Primary Energy Resource,Primary Energy Resources,Secondary Energy Resources,Energy Generating Resources,Energy Resource, Primary,Energy Resource, Secondary,Energy Resources, Primary,Energy Resources, Secondary,Energy-Generating Resource,Resource, Energy-Generating,Resource, Primary Energy,Resource, Secondary Energy,Resources, Energy-Generating,Resources, Primary Energy,Resources, Secondary Energy,Secondary Energy Resource |
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| D004980 |
Ethane |
A two carbon alkane with the formula H3C-CH3. |
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| D000393 |
Air Pollutants |
Any substance in the air which could, if present in high enough concentration, harm humans, animals, vegetation or materials. Substances include GASES; PARTICULATE MATTER; and volatile ORGANIC CHEMICALS. |
Air Pollutant,Air Pollutants, Environmental,Environmental Air Pollutants,Environmental Pollutants, Air,Air Environmental Pollutants,Pollutant, Air,Pollutants, Air,Pollutants, Air Environmental,Pollutants, Environmental Air |
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| D001272 |
Atmosphere |
The gaseous envelope surrounding a planet or similar body. (From Random House Unabridged Dictionary, 2d ed) |
Atmospheres |
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| D017752 |
Greenhouse Effect |
The effect of GREENHOUSE GASES and the resulting increase in world temperatures. The predicted health effects of such long-term climatic change include increased incidence of respiratory, water-borne, and vector-borne diseases. |
Effect, Greenhouse |
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| D059206 |
Natural Gas |
A combustible, gaseous mixture of low-molecular weight PARAFFIN hydrocarbons, generated below the surface of the earth. It contains mostly METHANE and ETHANE with small amounts of PROPANE; BUTANES; and higher hydrocarbons, and sometimes NITROGEN; CARBON DIOXIDE; HYDROGEN SULFIDE; and HELIUM. (from McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) |
Gas, Natural,Shale Gas,Gas, Shale |
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