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1 structure chimique
химическая структура
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
chemical structure
The arrangement of atoms in a molecule of a chemical compound. (Source: CED)
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Франко-русский словарь нормативно-технической терминологии > structure chimique
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2 relation structure activité
- взаимосвязь "структура-активность"
взаимосвязь "структура-активность"
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
structure-activity relationship
The association between a chemical structure and carcinogenicity. (Source: KOREN)
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Франко-русский словарь нормативно-технической терминологии > relation structure activité
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3 traitement chimique
химическая обработка
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
chemical treatment
Processes that alter the chemical structure of the constituents of the waste to produce either an innocuous or a less hazardous material. Chemical processes are attractive because they produce minimal air emissions, they can often be carried out on the site of the waste generator, and some processes can be designed and constructed as mobile units. (Source: PARCOR)
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Франко-русский словарь нормативно-технической терминологии > traitement chimique
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4 traitement physique
физические методы обработки отходов
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
physical treatment
Processes that separate components of a waste stream or change the physical form of the waste without altering the chemical structure of the constituent materials. Physical treatment techniques are often used to separate the materials within the waste stream so that they can be reused or detoxified by chemical or biological treatment or destroyed by high-temperature incineration. (Source: PARCOR)
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Франко-русский словарь нормативно-технической терминологии > traitement physique
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5 processus physico-chimique
физико-химический процесс
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
physicochemical process
Processes involving changes in the physical properties and chemical structure of substances. (Source: CED)
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Франко-русский словарь нормативно-технической терминологии > processus physico-chimique
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6 isomčre
изомер
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isomer
1) Two or more compounds having the same molecular formula, but a different arrangement of atoms within the molecule. 2) One of two or more chemical substances having the same elementary percentage composition and molecular weight but differing in structure, and therefore in properties; there are many ways in which such structural differences occur. (Source: CED / MGH)
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Франко-русский словарь нормативно-технической терминологии > isomčre
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7 pot catalytique
каталитический конвертер
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catalytic converter
Catalytic converters are designed to clean up the exhaust fumes from petrol-driven vehicles, which are otherwise the major threat to air quality standards in congested urban streets and on motorways. Converters remove carbon monoxide, the unburned hydrocarbons and the oxides of nitrogen. These compounds are damaging to human health and the environment in a variety of ways. The converter is attached to the vehicle' s exhaust near the engine. Exhaust gases pass through the cellular ceramic substrate, a honeycomb-like filter. While compact, the intricate honeycomb structure provides a surface area of 23.000 square metres. This is coated with a thin layer of platinum, palladium and rhodium metals, which act as catalysts that simulate a reaction to changes in the chemical composition of the gases. Platinum and palladium convert hydrocarbons and carbon monoxide into carbon dioxide and water vapour. Rhodium changes nitrogen oxides and hydrocarbons into nitrogen and water, which are harmless. (Source: WRIGHT)
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Франко-русский словарь нормативно-технической терминологии > pot catalytique
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8 amendement minéral
минеральная добавка
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mineral conditioner
Any naturally occurring inorganic substances with a definite chemical composition and usually of crystalline structure, such as rocks, which are used to stabilize soil, improving its resistance to erosion, texture and permeability. (Source: RHW / SOI)
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Франко-русский словарь нормативно-технической терминологии > amendement minéral
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9 matičre minérale
минеральное вещество
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mineral matter
Inorganic materials having a distinct chemical composition, characteristic crystalline structure, colour, and hardness. (Source: DUNSTE)
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Франко-русский словарь нормативно-технической терминологии > matičre minérale
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10 réaction nucléaire
ядерная реакция
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
nuclear reaction
A reaction involving a change in an atomic nucleus, such as fission, fusion, neutron capture, or radioactive decay, as distinct from a chemical reaction, which is limited to changes in the electron structure surrounding the nucleus. (Source: MGH)
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Франко-русский словарь нормативно-технической терминологии > réaction nucléaire
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