Gaois

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24 results

  1. SCIENCE|natural and applied sciences|applied sciences · SCIENCE|natural and applied sciences|physical sciences · TRANSPORT|air and space transport · ENVIRONMENT · PRODUCTION, TECHNOLOGY AND RESEARCH|technology and technical regulations

    #652574

    IATE #3561196
    codán torainn Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Geräuschanteil
    de
    noise fraction
    en
    Definition ratio of the noise energy received from an aircraft traversing a flight path segment of finite length to that which would result if the segment were extended indefinitely in each direction Reference "Department of Safety, Environment and Engineering. Chief Scientist's Division. Civil Aviation Authority. The CAA Aircraft Noise Contour Model: ANCON Version 1, https://www.caa.co.uk/docs/33/ERCD9120.PDF [12.8.2014]"
    Comment acoustic modelling
    fraction de bruit
    fr
    Definition proportion de l'énergie acoustique correspondant à un segment de la trajectoire de vol d’un aéronef Reference "COM-FR, d’après la recommandation de la Commission relative aux lignes directrices sur les méthodes provisoires révisées de calcul du bruit industriel, du bruit des avions, du bruit du trafic routier et du bruit des trains, ainsi qu'aux données d'émission correspondantes (2003/613/CE), http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2003:212:0049:0064:FR:PDF [22.9.2014]"
  2. ENVIRONMENT

    #383889

    IATE #1704557
    codán traicéabroinceach Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Fraktion tracheobronchialer Stoffe
    de
    tracheobronchial fraction
    en
    Definition the portion of the inhalable particles that penetrate beyond the larynx but fail to reach the alveoli.The tracheobronchial fraction is obtained by subtracting the respirable fraction from the thoracic Reference Health and Safety Application Note ITI-050-Health-Based Particle-Size-Selective Sampling,1998,TSI Incorporated
    fraction trachéobronchique
    fr
    Definition fraction massique des particules inhalées qui pénètrent au-delà du larynx, mais qui ne peuvent pénétrer dans les voies aériennes non ciliées Reference AFNOR,Recueil de Normes françaises,Qualité de l'air,1996,Paris
  3. INDUSTRY|chemistry

    #643308

    IATE #3511632
    codán uimhreach Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Teilchenzahlanteil | Χi = Ni/N
    de
    Comment "Nicht mit dem Begriff der Teilchenzahlkonzentration ( IATE:1471459 ) zu verwechseln!"
    number fraction
    en
    Definition number of entities of one constituent divided by the total number of entities in the mixture 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, http://dx.doi.org/10.1351/goldbook.A00296 [19.8.2010]"
    Comment "Not to be confused with the concept of number concentration ( IATE:1471459 )."
  4. INDUSTRY|chemistry

    #650286

    IATE #3549686
    tiomsaitheoir codán Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    fraction collector | fraction accumulator
    en
    Definition device that allows regular or specified samples to be taken from a column eluate and stored in a retrievable form Reference "Chromatography Online. Fraction Collector, http://www.chromatography-online.org/topics/fraction/collector.html [15.4.2013]"
    Comment The storage vessels are usually small sample tubes or vials that are oriented in a rotating disk or in a moving belt, there movement usually being controlled by a microprocessor. On receiving a signal from the microprocessor, the next vial is placed under the column outlet and the eluate collected until receiving another signal from the computer. Once the properties of the chromatogram that describes the separation has been ascertained, then the collection program can be defined. The fractions can be collected on a basis of time either at regular intervals or a specific times to collect specific peaks. Alternatively the fractions can be collected by monitoring the detector output and when a peak starts to elute the fraction collector is activated and the peak collected in a specific vial. When the peak returns to base line the column eluate is then directed to waste until the next peak starts eluting. Fraction collectors are in common use with most liquid chromatographs. They are used to collect samples for further purification, subsequent exmination by spectroscopic techniques or for biological or organoleptic testing