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12 results

  1. ENVIRONMENT|deterioration of the environment|pollution · SCIENCE|natural and applied sciences|applied sciences

    #525745

    IATE #45523
    tiontaire catalaíoch Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Context 'Líon na dtiontairí catalaíocha agus na n-eilimintí (tabhair an fhaisnéis anseo thíos le haghaidh gach aonaid leithligh)' Reference Seasamh (AE) Uimh. 3/2014 maidir le leibhéal fuaime mhótarfheithiclí agus córais tostaigh athchurtha, ag leasú na Treorach 2007/46/CE agus lena n-aisghairtear Treoir 70/157/CEE Glactha ag an gComhairle an 20 Feabhra 2014, CELEX:52014AG0003/GA
    Definition feiste frith-thruailleán, a fheidhmíonn trí dhromchlaí platanaim nó pallaidiam a nochtadh do na gáis sceite, rud a luasghéaraíonn nó a chatalaíonn imoibrithe ar na hidreacarbóin, na comhdhúile sulfair is eile chun a nimhiúlacht a laghdú Reference Fiontar DCU, bunaithe ar: ‘tiontaire catalaíoch’. Fréamh an Eolais, Coiscéim, Baile Átha Cliath, 2011, lch. 664.
    Katalysator | Abgaskatalysator
    de
    catalytic converter
    en
    Definition vehicle emissions control device which converts toxic byproducts of combustion in the exhaust of an internal combustion engine to less toxic substances by way of catalysed chemical reactions Reference Wikipedia > Catalytic converter. http://en.wikipedia.org/wiki/Catalytic_converter [16.10.2012]
    catalyseur | pot catalytique | convertisseur catalytique | pot d'echappement a convertisseur catalytique
    fr
  2. INDUSTRY|chemistry|chemical compound · SCIENCE|natural and applied sciences|physical sciences|chemistry

    #557089

    IATE #1421099
    catalaíoch Reference 'catalaíoch'. Hussey, M. Fréamh an Eolais. Coiscéim, Baile Átha Cliath, 2011. Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Definition ábhar a mhéadaíonn ráta imoibrithe cheimicigh agus nach n-athraítear in aon chor sa phróiseas Reference Fiontar, Ollscoil Chathair Bhaile Átha Cliath (DCU), bunaithe ar:'catalaíoch'. Hussey, M. Fréamh an Eolais. Coiscéim, Baile Átha Cliath, 2011.
    Katalysator
    de
    Definition Stoff, der eine Beschleunigung einer chemischen Reaktion bewirkt (…), ohne selbst verbraucht zu werden Reference Hasse Stephan, Brunhuber Ernst (Hg), Gießerei-Lexikon, 18. Aufl., Schiele & Schön, Berlin, ISBN 3794906551, S. 652, http://books.google.at/books?id=hXzmxfd5xcYC (22.07.2010)
    catalyst
    en
    Definition substance that causes or accelerates a chemical reaction without itself being affected Reference "catalyst" Dictionary.com. Dictionary.com Unabridged. Random House, Inc. http://www.dictionary.com/browse/catalyst [2.6.2017]
    Comment See also: lean NOx catalyst (narrower) [ IATE:3538547 ]
    catalyseur
    fr
    Definition substance qui, utilisée en faible proportion, augmente la vitesse d'une réaction chimique et qui, théoriquement, reste chimiquement inchangée à la fin de la réaction Reference NF T 50-100:1980
  4. INDUSTRY|chemistry|chemical compound · SCIENCE|natural and applied sciences|earth sciences

    #554935

    IATE #1348210
    modhnaitheoir Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Modifikator
    de
    modifier
    en
    Definition a substance,small amounts of which can considerably alter the burning rate of a propellant.In particular,it may reduce the effects of pressure and temperature on the burning rate Reference Multilingual Aeronautical Dictionary(AGARD,1980)
    modérateur | catalyseur balistique
    fr
  5. ENVIRONMENT|deterioration of the environment|pollution · INDUSTRY|mechanical engineering · PRODUCTION, TECHNOLOGY AND RESEARCH|technology and technical regulations|technical regulations

    #549321

    IATE #1184083
    catalaíoch téite Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    beheizter Katalysator
    de
    heated catalyst | catalytic converted: heated catalyst
    en
    Definition catalytic converter system that utilises heating elements to bring the catalyst to operating temperature on cold starts, thereby reducing cold start emissions Reference COM-EN, based on:Emintec catalysts an particulate filters > Heated catalysts, the solution to future emission problems. Press Release, September 2011. http://www.emitec.com/fileadmin/user_upload/Presse/Presseinformationen/201109_03_E_IAA_Heated_Catalyst.pdf [30.1.2015]
    catalyseur chauffé
    fr
    Definition catalyseur amené électriquement à la température de service nécessaire afin de minimiser les émissions lors du démarrage à froid Reference COM-FR d'après: Site d'Emitec, EMICAT®: le catalyseur métallique chauffé électriquement, http://www.emitec.com/fr/technologie/les-catalyseurs/emicat/ [18.8.2015]
  6. ENVIRONMENT|deterioration of the environment|pollution · TRANSPORT|land transport|land transport

    #580355

    IATE #3538547
    catalaíoch NOx dó íseal Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    catalaíoch barainneach NO<sub>x</sub> Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    catalaíoch NOcs caol Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    catalaíoch barainneach NOcs Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Mager-NOx-Katalysator
    de
    lean NOx catalyst | DeNOx catalyst | lean NOx catalyst | LNC
    en
    Definition catalyst [ IATE:1421099 ] that selectively promotes the desired reaction of NOx with hydrocarbons over the undesired reaction with oxygen in a lean (i.e. oxygen-rich) exhaust environment to form nitrogen, CO2, and water Reference COM-Terminology Coordination, based on:W. Addy Majewski. Lean NOx Catalyst, https://www.dieselnet.com/tech/cat_lean-nox.php [15.6.2016]
    Comment Not to be confused with:- lean NOx trap [ IATE:3565446 ]
    catalyseur de NOx en mélange pauvre
    fr
    Definition catalyseur permettant aux hydrocarbures issus des gaz d'échappement de réduire les oxydes d'azote en azote par la génération d'un «microclimat» riche alors que la composition moyenne de ces gaz d'échappement demeure globalement pauvre Reference COM-FR d'après AECC > Technologies > Catalyseurs, http://www.aecc.be/fr/technology/catalysts.html#Hydrocarbon_SCR [6.11.2015]
  7. ENVIRONMENT|environmental policy|pollution control measures · TRANSPORT|land transport

    #587557

    IATE #3565446
    asúiteoir NOx caol Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Mager-NOx-Falle | NOx-Adsorber | LNT | NOx-Falle
    de
    Definition Vorrichtung an einem Benzin-Magermotor oder Dieselmotor, die bei nicht idealen Bedingungen, also im Magermodus (Sauerstoffüberschuss im Kraftstoff-Luft-Gemisch), Stickoxide abscheidet und speichert und diese dann behandelt, wenn die Bedingungen es zulassen Reference EP-DE nach: Association for Emissions Control by Catalyst (AECC) – Technologie – Adsorber, http://www.aecc.be/de/Technology/Adsorbers.html (20.7.2016)
    Comment Nicht zu verwechseln mit: - Mager-NOx-Katalysator [ IATE:3538547 ]
    NOx adsorber catalyst | NOx absorption catalyst | NOx storage catalyst | DNT | NOx storage-reduction catalyst | lean NOx adsorber | NOx storage/reduction catalyst | LNA | NOx trap | NSR catalyst | LNT | deNOx trap | NSC | NAC | lean NOx trap
    en
    Definition vehicle emissions control device that adsorbs and stores NOx under lean conditions (excess of oxygen in the air:fuel ratio) Reference COM-Terminology Coordination, based on:Association for Emissions Control by Catalyst. Adsorbers, http://www.aecc.be/en/Technology/Adsorbers.html [22.5.2015]
    Comment Not to be confused with:- lean NOx catalyst [ IATE:3538547 ]
    piège à NOx à mélange pauvre | absorbeur de NOx | piège à NOx | catalyseur de stockage de NOx
    fr
    Comment Ce système fonctionne comme un stockeur associé à un catalyseur. En réinjectant pendant quelques secondes du mélange plus riche dans l’absorbeur d’oxydes d’azote, les NOx sont poussés vers le catalyseur et carbonisés. Cependant, l’injection de mélange augmente la consommation de carburant, donc les émissions de CO2.» (Source: Site de l'Usine nouvelle > l'usine auto > Moteur diesel - vers une dépollution selon les usages?, http://www.usinenouvelle.com/article/moteur-diesel-vers-une-depollution-selon-les-usages.N358823 [6.11.2015])
  8. INDUSTRY|mechanical engineering · TRANSPORT|land transport

    #549320

    IATE #1184082
    catalaíoch ocsaídiúcháin Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Oxidationskatalysator | Oxydationskatalysator
    de
    Definition Katalysator, der nur eine Oxidation von Schadstoffen wie Kohlenmonoxid und Kohlenwasserstoffen bewerkstelligen kann, aber keine Reduktion von Stickoxiden Reference Energie-Lexikon, s. v. "Abgaskatalysator", https://www.energie-lexikon.info/abgaskatalysator.html (10.9.2015)
    oxidation catalyst | two-way catalytic converter | two-way catalyst | oxidation catalytic converter
    en
    Definition catalytic converter1 designed to perform two simultaneous tasks: 1) oxidation of carbon monoxide to carbon dioxide: 2CO + O2 → 2CO22) oxidation of hydrocarbons (unburnt and partially burnt fuel) to carbon dioxide and water: CxH2x+2 + [(3x+1)/2] O2 → xCO2 + (x+1) H2O (a combustion reaction)1catalytic converter [ IATE:45523 ] Reference COM-Terminology Coordination, based on:Wikipedia. Catalytic converter, Catalytic converter, https://en.wikipedia.org/wiki/Catalytic_converter [22.5.2015]
    catalyseur d'oxydation
    fr
  9. INDUSTRY|mechanical engineering · TRANSPORT|land transport|land transport

    #561986

    IATE #1584416
    catalaitheoir trí threo Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Dreiwege-Katalysator
    de
    closed-loop three-way catalyst | TWC | three-way catalyst | three-way catalytic converter | three-way catalyser
    en
    Definition catalytic converter designed to perform three simultaneous tasks:1) Reduction of nitrogen oxides to nitrogen and oxygen: 2NOx → xO2 + N22) Oxidation of carbon monoxide to carbon dioxide: 2CO + O2 → 2CO23) Oxidation of unburnt hydrocarbons (HC) to carbon dioxide and water: CxH2x+2 + [(3x+1)/2]O2 → xCO2 + (x+1)H2O. Reference COM-EN, based on:Wikipedia > Catalytic Converter. http://en.wikipedia.org/wiki/Catalytic_converter#Three-way [10.2.2015]
    Comment See also:catalytic converter IATE:45523
    pot catalytique trois voies | catalyseur trois voies | catalyseur à trois voies en boucle fermée | pot catalytique à trois voies | catalyseur à trois voies
    fr
    Definition catalyseur permettant de réduire les émissions des moteurs à essence en oxydant simultanément le CO et les HC en CO2 et en eau tout en réduisant les NOx en azote Reference COM-FR d’après le site de l’AEEC (Association for emissions control by catalyst), Catalyseurs trois voies, http://www.aecc.be/fr/technology/catalysts.html [26.8.2015]
    Comment Les catalyseurs de ce type utilisent un substrat céramique ou métallique pourvu d'un revêtement actif composé d'alumine, de cérine et d'autres oxydes ainsi que des associations de métaux précieux: platine, palladium et rhodium. Les catalyseurs trois voies opèrent dans un système en boucle fermée comprenant une sonde lambda destinée à réguler le rapport air/carburant dans les moteurs à essence.Ils sont dits «trois voies» car ils provoquent trois transformations simultanées.(Source: ibid.)Voir aussi:NOx [ IATE:47842 ]
  11. ENERGY|oil industry · INDUSTRY|chemistry|special chemicals

    #587300

    IATE #3564499
    mínbhrus catalaíoch Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Katalysatorpartikel
    de
    catalyst fines | catalytic fines
    en
    Definition hard aluminium and silicon oxide particles added to the crude oil in refineries relying on catalytic cracking, to enhance low temperature fuel cracking Reference The Motorship > Home > News > Fuels and oils > On-line measurement of catalytic fines in HFO systems http://www.motorship.com/news101/fuels-and-oils/on-line-measurement-of-catalytic-fines-in-hfo-systems [14.9.2015]
    Comment They are recovered from the process and recycled. The recycling, however, is not 100% effective and a certain level of catalytic fines will always be present in the output product of a fluid catalytic cracker. This product is often referred to as heavy cycle oil (HCO) or slurry oil.
    fines de catalyseur
    fr
    Definition petites particules dures abrasives, en général, des silicates d'aluminium, qui jouent un rôle de catalyseur dans le craquage catalytique fluide Reference COM-FR sur la base de la définition anglaise [10.9.2015]
    Comment Voir aussi craquage catalytique fluide [ IATE:1661782 ]
  12. ENERGY|oil industry

    #587422

    IATE #3564982
    lúb athchúrsála gáis den chineál síor-athghiniúna Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Recyclingkreislauf für Regenerierungsgas im kontinuierlichen Betrieb
    de
    continuous regeneration gas recycling loop
    en
    Definition recycling loop of the waste gas from the continuous regeneration unit of the catalyst Reference European Commission. Joint Research Centre. Institute for Prospective Technological Studies (JRC-IPTS). European Integrated Pollution Prevention and Control (lPPC) Bureau. Correspondence dated 9.4.2015
    Comment The process could be simplified in the following steps (in reality there are more than one reactor):Step 1: fresh catalyst is introduced at the top of the reactor (the catalyst allows to upgrade the octane of heavy naphtha which is in the reactor)Step 2: the catalyst flows down by gravity to the bottom of the reactor, and is progressively "spent" during the reactionStep 3: the spent catalyst is removed from the bottom of the reactor and introduced in an external regenerator (Continuous Catalyst Regeneration reforming unit).Step 4: The catalyst is "regenerated" (the carbon is burned from the catalyst)Step 5: The regenerated catalyst is introduced at the top of the reactor, and the cycle starts again
    système de recyclage des gaz émis par l'unité de régénération continue du catalyseur
    fr