Ontology

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An air pollutant is a portion of matter that participates in some air pollution.

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Ammonia is a portion of matter with the chemical formula NH3. It has a gaseous normal state of matter and can act as an air pollutant. As it can be oxidised it can be used as a fuel.

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Biodiesel is a portion of matter that has a liquid state of matter and has a diesel fuel role. It is produced from plants or animals and thus has a biogenic origin.

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Biogasoline is a portion of matter that has a liquid state of matter and has a gasoline fuel role. It consists of bioethanol, biomethanol and products of these two substances. It is made from vegetable or animal material and thus has a biogenic origin.

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Biomass is a portion of matter from plants or animals and has thus has a biogenic origin.

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Carbon dioxide is a portion of matter with the chemical formula CO2. It has a gaseous normal state of matter. It occurs naturally in the atmosphere as a trace gas and can work as a greenhouse gas.

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Carbon monoxide is a portion of matter with the chemical formula CO. It has a gaseous normal state of matter and can act as an air pollutant.

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Cement is a portion of matter that is made from limestone and clay; other elements may be present. It is used as a building material to set as a solid mass or is used as an ingredient in making mortar or concrete. It has a solid normal state of matter. It is the physical output of an industrial process and has a commodity role.

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Charcoal is a portion of matter produced from wood via pyrolysis. It has a solid state of matter and can be used as fuel.

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A chemical substance is a portion of matter of constant composition and that is neither a metal or mineral. It is composed of molecular entities of the same type or of different types that is used in or produced by a chemical reaction involving changes to atoms or molecules. It is the physical output of an industrial process and has a commodity role.

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Coal is a portion of matter consisting of combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams.

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Crude oil is a portion of mater of fossil origin comprising a mixture of hydrocarbons and associated impurities, such as sulphur. It exists in the liquid phase under normal surface temperature and pressure and its physical characteristics (density, viscosity, etc.) are highly variable. This category includes field or lease condensate recovered from associated and non-associated gas where it is commingled with the commercial crude oil stream.

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Ethanol is a portion of matter with the chemical formula C2H6O. It has a liquid normal state of matter and can be used as a combustion fuel.

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A fuel is a portion of matter that has the disposition to be an energy carrier and that has a fuel role.

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Gas/diesel oil is a portion of matter that is primarily a medium distillate distilling between 180 °C and 380 °C. Includes blending components. Several grades are available depending on uses.

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A gas mixture is a portion of matter that is a composition of different kinds of portions of matter and that has a gaseous normal state of matter.

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Gasoline (American English) or petrol (British English) is a portion of matter in the form of a transparent petroleum-derived liquid that is used primarily as a fuel in spark-ignited internal combustion engines. It consists mostly of organic compounds obtained by the fractional distillation of petroleum, enhanced with a variety of additives.

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A greenhouse gas is a portion of matter that has the disposition to contribute to the greenhouse effect.

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Hydrocarbon is a portion of matter which is member of class of organic chemical compounds composed only of the elements carbon (C) and hydrogen (H).

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Hydrofluorocarbons (HFCs) are portions of matter consisting of organic compounds that contain fluorine and hydrogen atoms, and are the most common type of organofluorine compounds. They are frequently used in air conditioning and as refrigerants in place of the older chlorofluorocarbons such as R-12 and hydrochlorofluorocarbons such as R-21.

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Hydrogen is a portion of matter with the chemical formula H2. It has a gaseous normal state of matter. As it can be oxidised it can be used as a fuel.

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An industrial material is a portion of matter that is the physical output of an industrial process and that has a good role.

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Kerosene, also known as paraffin, lamp oil, and coal oil (an obsolete term), is a portion of matter consisting of combustible hydrocarbon liquid which is derived from petroleum. It is widely used as a fuel in industry as well as households. It is sometimes spelled kerosine in scientific and industrial usage. [...] Kerosene is widely used to power jet engines of aircraft (jet fuel) and some rocket engines and is also commonly used as a cooking and lighting fuel and for fire toys such as poi. In parts of Asia, kerosene is sometimes used as fuel for small outboard motors or even motorcycles.

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A metal is a portion of matter consisting of an atom of an element that exhibits typical metallic properties, being typically shiny, with high electrical and thermal conductivity.

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A mineral is a portion of matter that is normally crystalline formed.

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Nitrogen oxides are a portion of matter consisting of compounds of nitrogen and oxygen. It is a collective term for numerous oxides of nitrogen with a gaseous normal state of matter. They can act as air pollutants.

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Nitrogen trifluoride is a portion of matter with the chemical formula NF3. It has a gaseous normal state of matter. It can work as a potent greenhouse gas and has an anthropogenic origin.

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Nitrous oxide is a portion of matter with the chemical formula N2O. It has a gaseous normal state of matter. It occurs naturally in the atmosphere as a trace gas and it can work as a greenhouse gas.

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Oxygen is a portion of matter with the chemical formula O2. It has a gaseous normal state of matter.

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Paper is a portion of matter that is made from cellulose fibres and other plant materials. It is used for paper-based products. It has a solid normal state of matter. It is the physical output of an industrial process and has a commodity role.

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Particulate matter is a portion of matter consisting of small particles. It can act as an air pollutant.

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Peat is a or portion of matter that is a soft, porous or compressed, sedimentary deposit of plant origin with high water content (up to 90 % in the raw state) and can be used as combustion fuel. As the natural formation of peat takes at least centuries, peat is usually considered having a fossil origin.

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Perfluorocarbons (PFCs) are portions of matter consisting of organic compounds that contain fluorine atoms but no hydrogen atoms.

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Petroleum coke is a portion of matter with a solid state of matter that is produced in a mineral oil refining process. It consists mainly of carbon and can be uses as a fuel.

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Plutonium is a portion of matter with the chemical formula Pu. It has a solid normal state of matter.

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A rock is a portion of matter that is a naturally occurring solid aggregate of minerals or mineraloid matter that is part of the earth's crust.

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A sirup is a portion of matter that consists mainly of water and sugar. It has a liquid state of matter.

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Sulphur dioxide is a portion of matter with the chemical formula SO2. It has a gaseous normal state of matter and can act as an air pollutant.

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Sulphur hexafluoride is a portion of matter with the chemical formula SF6. It has a gaseous normal state of matter. It can work as a potent greenhouse gas and has an anthropogenic origin.

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Thorium is a portion of matter with the chemical formula Th. It has a solid normal state of matter.

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Uranium is a portion of matter that has the atomic number 92. It is a silver-grey metal.

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A volatile organic compound (VOC) is a portion of matter consisting of organic compounds that is capable of producing photochemical oxidants by reactions with nitrogen oxides in the presence of sunlight. Hence it can act as an air pollutant.

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Water is a portion of matter with the chemical formula H2O. It has a liquid normal state of matter.