Gaois

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20 results

  1. INDUSTRY|iron, steel and other metal industries

    #555876

    IATE #1370060
    ocsaídiú Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    ocsaídiúchán Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Verkupferung
    de
    oxidizing | oxidising
    en
    Definition the treatment of a graphited wax surface with copper sulphate and iron filings,to produce a conducting copper coating Reference IEV 50-35-55
    cuivrage
    fr
    Definition traitement d'une surface de cire graphitée par du sulfate de cuivre et de la limaille de fer, pour obtenir un revêtement conducteur en cuivre Reference VEI 50-35-55
  2. INDUSTRY|chemistry

    #618285

    IATE #1085350
    ocsaídiú Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    ocsaídiúchán Reference 'ocsaídiúchán'. Hussey, M. Fréamh an Eolais. Coiscéim, Baile Átha Cliath, 2011. Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Definition cailliúint leictreon ina dtarlaíonn dí-ocsaídiúchán ag an am céanna i gcónaí le gnóthú an leictreoin chéanna Reference Fiontar agus Scoil na Gaeilge, Ollscoil Chathair Bhaile Átha Cliath (DCU), bunaithe ar: 'ocsaídiúchán'. Hussey, M. Fréamh an Eolais. Coiscéim, Baile Átha Cliath, 2011.
    Oxidation
    de
    Definition Elektronenabgabe von Elementen, Ionen oder Verbindungen, sodass sich deren Oxidationszahl erhöht Reference "Bibliographisches Institut & F. A. Brockhaus AG (Hg), ""Der Brockhaus multimedial 2007 premium"", DVD, Bibliographisches Institut & F. A. Brockhaus AG, Mannheim, 2007, ISBN 3-411-06548-6, Eintrag zu ""Oxidation"""
    oxidation
    en
    Definition 1. The complete, net removal of one or more electrons from a molecular entity (also called 'de-electronation'). 2. An increase in the oxidation number of any atom within any substrate. 3. Gain of oxygen and/or loss of hydrogen of an organic substrate. All oxidations meet criteria 1 and 2, and many meet criterion 3, but this is not always easy to demonstrate Reference "IUPAC. Compendium of Chemical Terminology, 2nd ed. (the ""Gold Book""). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8 Last update: 2009-09-07; version: 2.1.5 http://goldbook.iupac.org/O04362.html [19.11.2009]"
    Comment Alternatively, an oxidation can be described as a transformation of an organic substrate that can be rationally dissected into steps or primitive changes. The latter consist in removal of one or several electrons from the substrate followed or preceded by gain or loss of water and/or hydrons or hydroxide ions, or by nucleophilic substitution by water or its reverse and/or by an intramolecular molecular rearrangement. This formal definition allows the original idea of oxidation (combination with oxygen), together with its extension to removal of hydrogen, as well as processes closely akin to this type of transformation (and generally regarded in current usage of the term in organic chemistry to be oxidations and to be effected by 'oxidizing agents') to be descriptively related to definition 1.
    oxydation
    fr
    Definition Réaction chimique au cours de laquelle un corps se combine avec de l'oxygène pour former un oxyde;elle est l'une des trois causes principales de formation d'un feu;elle entraîne un affaiblissement des métaux ferreux qui se traduit par la formation de rouille Reference Glossaire multilingue en matière de protection civile 1990,Groupe de travail Commission Européenne/Etats membres
  3. TRANSPORT|land transport · INDUSTRY|mechanical engineering

    #621726

    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)"
    two-way catalytic converter | two-way catalyst | oxidation catalytic converter | oxidation catalyst
    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
  4. PRODUCTION, TECHNOLOGY AND RESEARCH|technology and technical regulations · INDUSTRY|chemistry · INDUSTRY|mechanical engineering

    #624911

    IATE #1337361
    cobhsaíocht ocsaídiúcháin Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Oxidationsbeständigkeit | Oxidationsstabilität
    de
    oxidation stability | anti-oxidative stability | oxidative stability
    en
    Definition ability of a substance to resist natural degradation upon contact with oxygen Reference "COM-EN, based on:Flowmeter Directory > Lubrication Terminology > oxidation stability. http://www.flowmeterdirectory.com/lubrication_terminology.html [16.5.2013]"
    stabilité à l'oxydation
    fr
    Definition capacité d'une huile à résister aux changements chimiques en raison d'une hausse de température et en présence d'oxygène Reference "COM-FR, d'après:La lubrification, http://tpmattitude.fr/lubrification.html [9.3.2015]"
  6. PRODUCTION, TECHNOLOGY AND RESEARCH|technology and technical regulations · INDUSTRY · ENVIRONMENT|environmental policy|waste management

    #654621

    IATE #3566958
    loscadh teirmeach Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    dóchán ocsaídiúcháin Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    ocsaídiú teirmeach Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    thermische Oxidation | thermische Verbrennung
    de
    thermal oxidation | thermal incineration | oxidative combustion
    en
    Definition combustion process in which the contaminants within a waste gas stream react with oxygen in a temperature-controlled environment, and the contaminants in the polluted exhaust gas are destroyed, releasing only CO2, water vapour and heat Reference "COM-Terminology Coordination, based on: Process Combustion Corporation > Products > Thermal oxidizers (9.12.2019)"
    Comment Thermal oxidation is a wide term that can be applied to a number of processes. Generally speaking, it means that there is an oxidation reaction (i.e. addition of oxygen in a compound) taking place under (high) temperatures. Not all oxidative processes are combustion, but combustion is a type of oxidation.
  8. SOCIAL QUESTIONS|health|medical science · SCIENCE|natural and applied sciences|life sciences

    #629829

    IATE #1495491
    fosfairiliú ocsaídiúcháin Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Atmungskettenphosphorylierung | oxidative Phosphorylierung | phosphorylierende Oxidation
    de
    Definition die mit der Oxidation der reduzierten Koenzyme der Atmungskette gekoppelte Ueberfuehrung von anorgan.Phosphat in eine energiereiche Bindung Reference Reallex Med
    oxidative phosphorylation
    en
    Definition the process, which takes place in mitochondria, in which ATP is formed as a result of the transfer of electrons from NADH or FADH2 to O2 by a series of electron carriers Reference "Jeremy M Berg, John L Tymoczko, and Lubert Stryer. Biochemistry, 5th edition. New York: W H Freeman; 2002.ISBN:0-7167-3051-0 Part II Transducing and Storing Energy - Chapter 18 Oxidative Phosphorylation http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=stryer&part=A2484 [12.7.2010]"
    phosphorylation oxydative | phosphorylisation oxydative
    fr
    Definition processus de synthèse d'ATP à partir d'ADP et de phosphate inorganique en utilisant l'énergie libérée au cours du transport des électrons dans la chaîne respiratoire Reference Lalanne Marcel,Gloss.de biochimie,Département de biochimie,Faculté de médecine,Université Laval,Québec,1998
  9. INDUSTRY|chemistry

    #621027

    IATE #1155465
    imoibriú ocsaídiúcháin agus dí-ocsaídiúcháin Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    imoibriú ocsdí Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Redoxreaktion | Redoxvorgänge | Redox | Reduktions-Oxydations
    de
    Definition die dem Redoxsystem zugrundeliegende, vom Redoxpotential bestimmte Reaktion von Reduktions-und Oxidationsmitteln Reference Reallex Med
    redox reaction | oxidation-reduction reaction | reduction-oxidation | Redox
    en
    Definition reaction that involves the transfer of one or more electrons Reference "Purdue University. College of ScienceChemical Education Division Groups http://chemed.chem.purdue.edu/ > General Chemistry Help > Topic Review > Oxidation-Reduction Reactions http://chemed.chem.purdue.edu/genchem/topicreview/bp/ch19/oxred_1.php [10.1.2012]"
    Comment "It used to be defined in terms of hydrogen transfer and it can also be defined in terms of oxygen transfer For more information, see: - Chemguide. Definitions of Oxidation and Reduction (Redox) http://www.chemguide.co.uk/inorganic/redox/definitions.html [10.1.2012] - Virginia Tech College of Science - Department of Chemistry. Oxidation Numbers & Redox Reactions http://www.files.chem.vt.edu/RVGS/ACT/notes/oxidation_numbers.html [10.1.2012]"
    réaction d'oxydoréduction | réaction redox | réaction d'oxydo-réduction
    fr
    Definition Les réactions d'oxydoréduction donnent lieu à du courant électrique dans un accumulateur ou une batterie.Elles sont également utilisées dans des systèmes de stockage photochimique. Reference Duval;D'après Römpp-Chemie + Silverman,Energy Storage,p.139
  11. ENVIRONMENT|deterioration of the environment|nuisance · AGRICULTURE, FORESTRY AND FISHERIES|forestry|forest

    #648301

    IATE #3541459
    modh ocsaídiúcháin mheandraigh Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Methode der sofortigen Oxidation
    de
    Definition Anrechnungsmethode, die auf der Annahme basiert, dass die gesamte Menge des in HWP-Produkten gespeicherten Kohlenstoffs zu dem Zeitpunkt in die Atmosphäre freigesetzt wird, an dem ein Mitgliedstaat diese Produkte gemäß diesem Beschluss in seinen Konten verbucht Reference COM-Internes Dokument CLIMA-2012-80004 über einen Beschluss über Anrechnungsvorschriften und Aktionspläne für die Emissionen und den Abbau von Treibhausgasen infolge von Tätigkeiten im Sektor Landnutzung, Landnutzungsänderungen und Forstwirtschaft
    instantaneous oxidation
    en
    Definition accounting method that assumes that the release into the atmosphere of the entire quantity of carbon stored in harvested wood products occurs at the time of harvest Reference "Regulation (EU) 2018/841 of the European Parliament and of the Council of 30 May 2018 on the inclusion of greenhouse gas emissions and removals from land use, land use change and forestry in the 2030 climate and energy framework, and amending Regulation (EU) No 525/2013 and Decision No 529/2013/EU (Text with EEA relevance)"
    méthode d'oxydation instantanée
    fr
    Definition méthode comptable qui part du principe que la quantité totale de carbone stockée dans les produits ligneux récoltés est libérée dans l'atmosphère au moment où un Etat membre inclut ces produits dans ses comptes Reference "Proposition de décision du Parlement européen et du Conseil relative aux règles comptables et aux plans d’action concernant les émissions et les absorptions de gaz à effet de serre résultant des activités liées à l’utilisation des terres, au changement d’affectation des terres et à la foresterie, CELEX:52012PC0093/FR"
  14. ENVIRONMENT

    #635211

    IATE #1704850
    MSO Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    ocsaídiúchán salainn leáite Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Abfallbehandlung mittels geschmolzenem Salz
    de
    MSO | molten salt oxidation
    en
    Definition a process for treating wastes by reacting the waste with an excess of air by injecting them into a molten salt bed Reference Molten Salt Oxidation Facility Process Description,1998,NSWC
    traitement de déchets par bain de sel fondu
    fr
    Definition méthode de destruction des composants organiques comportant, in situ, un abattage des poussières et des gaz de combustion permettant d'éviter un dégagement de produits nocifs grâce à l'immersion dans des bains de sels fondus Reference Antonini,G.,Gislais,P.,Traitements thermiques des déchets industriels,1995,Lavoisier,Technique & Documentation,Paris,p.113
  17. INDUSTRY|chemistry

    #618178

    IATE #1083609
    staid ocsaídiúcháin Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Context 'Tugtar staid ocsaídiúcháin nó uimhir ocsaídiúcháin ar dhúile mar thomhas ar a n-airíonna ocsaídiúcháin/dí-ocsaídiúcháin.' Reference 'ocsaídiúchán.' Hussey, M. Fréamh an Eolais. Coiscéim, Baile Átha Cliath, 2011.
    uimhir ocsaídiúcháin Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Context 'Tugtar staid ocsaídiúcháin nó uimhir ocsaídiúcháin ar dhúile mar thomhas ar a n-airíonna ocsaídiúcháin/dí-ocsaídiúcháin.' Reference 'ocsaídiúchán.' Hussey, M. Fréamh an Eolais. Coiscéim, Baile Átha Cliath, 2011.
    Oxydationszahl
    de
    oxidation state | oxidation number
    en
    Definition charge of an atom after ionic approximation of its heteronuclear bonds Reference "COM-EN, based on:IUPAC, Oxidation state (23.12.2020)"
    Comment Approximating all bonds to be ionic may lead to unusual results. If the N=N bond in N2O were extrapolated to be ionic, the central nitrogen atom would have an oxidation state of +5 and the terminal one −3. To obtain less extreme values, bonds between atoms of the same element should be divided equally upon ionic approximation.
  18. SCIENCE|natural and applied sciences|life sciences|biology

    #620772

    IATE #1150041
    strus ocsaídiúcháin Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    oxidative stress
    en
    Definition "phenomenon caused by an imbalance between production and accumulation of reactive oxygen species (ROS) in cells and tissues and the ability of a biological system to detoxify these reactive products" Reference "Pizzino, G., Irrera, N., Cucinotta, M., et al., 'Oxidative Stress: Harms and Benefits for Human Health' (15.4.2021), Oxidative Medicine and Cellular Longevity 2017;2017:8416763, doi:10.1155/2017/8416763"
    stress oxydatif
    fr
    Definition stress dû aux réactions oxydatives provoquées par les cellules microgliales Reference Pour la Science,mars 1997
  19. INDUSTRY|chemistry

    #629973

    IATE #1505701
    táscaire ocsaídiúcháin agus dí-ocsaídiúcháin Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Redoxindikator
    de
    Definition als Indikator geeigneter Redoxfarbstoff (zum Beispiel Methylenblau, Leukomethylenblau),mit Farbaenderung bei bestimmtem Redoxpotential oder Wasserstoffdruck, zum Teil auch bei pH-Aenderung Reference Reallex Med
    redox indicator
    en
    Definition indicator which undergoes a definite colour change at a specific electrode potential Reference "Wikipedia. Redox indicator, http://en.wikipedia.org/wiki/Redox_indicator [9.1.2015]"
    Comment The requirement for fast and reversible color change means that the oxidation-reduction equilibrium for an indicator redox system needs to be established very quickly. Therefore only a few classes of organic redox systems can be used for indicator purposes.There are two common type of redox indicators:- metal-organic complexes (Ex. phenanthroline)- true organic redox systems (Ex. Methylene blue)
    indicateur redox | indicateur d'oxydo-réduction
    fr
  20. ENVIRONMENT|environmental policy|pollution control measures

    #640407

    IATE #2245900
    toisc ocsaídiúcháin Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Oxidationsfaktor
    de
    Definition Faktor mit Wichtigkeit für die Überwachung bei Verbrennungsprozessen Reference "2007/589/EG: Entscheidung der Kommission vom 18. Juli 2007 zur Festlegung von Leitlinien für die Überwachung und Berichterstattung betreffend Treibhausgasemissionen im Sinne der Richtlinie 2003/87/EG des Europäischen Parlaments und des Rates (Monitoring-Leitlinien) (Bekannt gegeben unter Aktenzeichen K(2007) 3416) CELEX:32007D0589/DE"
    Comment Der Oxidationsfaktor (Verbrennungsfaktor) trägt dem bei partieller (unvollständiger) Oxidation anfallenden und unvollständig oxidierten Kohlenstoff Rechnung. Er wird als Bruchteil von eins ausgedrückt
    oxidation factor
    en
    Definition ratio of carbon oxidised to CO2 as a consequence of combustion to the total carbon contained in the fuel, expressed as a fraction, considering carbon monoxide (CO) emitted to the atmosphere as the molar equivalent amount of CO2 Reference "Commission Implementing Regulation (EU) 2018/2066 on the monitoring and reporting of greenhouse gas emissions pursuant to Directive 2003/87/EC and amending Commission Regulation (EU) No 601/2012"
    facteur d'oxydation
    fr