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21 Vulkan
вулкан
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
volcano
A vent in the surface of the Earth through which magma and associated gases and ash erupt; also, the form or structure, usually conical, that is produced by the ejected material. (Source: BJGEO)
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Немецко-русский словарь нормативно-технической терминологии > Vulkan
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22 Abgaskatalysator
каталитический конвертер
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
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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Немецко-русский словарь нормативно-технической терминологии > Abgaskatalysator
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См. также в других словарях:
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Surface structure — In the field of linguistics, specifically in syntax, surface structure (abbreviated SS and often called S structure ) refers to the mental representation of a linguistic expression, derived from deep structure by transformational rules.Surface… … Wikipedia
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surface structure — UK / US noun [uncountable] linguistics the structure that a sentence has when you consider only the classes of its words, which may be different when you also consider the meaning of the sentence, as opposed to the logical relationships on which… … English dictionary
surface structure — Ling. (in transformational generative grammar) 1. a structural representation of the final syntactic form of a sentence, as it exists after the transformational component has modified a deep structure. Cf. deep structure. 2. the string of words… … Universalium
surface structure — noun (in transformational grammar) the structure of a phrase or sentence in a language, as opposed to its underlying logical form. Contrasted with deep structure … English new terms dictionary
surface structure — noun Date: 1964 a formal representation of the phonetic form of a sentence; also the structure which such a representation describes … New Collegiate Dictionary
surface structure — analysis of a sentence by its structure without considering previous circumstances … English contemporary dictionary
surface structure — sur′face struc ture n. (in transformational grammar) 1) ling. a structural representation of the final syntactic form of a sentence, as it exists after the transformational component has modified a deep structure 2) ling. the string of words that … From formal English to slang
surface structure — /ˈsɜfəs strʌktʃə/ (say serfuhs strukchuh) noun 1. (in transformational grammar) the relationship between the elements of an actually produced sentence (opposed to deep structure). 2. the appearance of a situation, as opposed to the hidden reality …
