Gaois

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5 results

  1. INDUSTRY|chemistry

    #643317

    IATE #3511712
    cóimheas uimhreach Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Teilchenzahlverhältnis | Rik = Ni/Nk
    de
    number ratio
    en
    Definition number obtained by counting of a defined entity in a mixture (usually molecules, atoms, or ions) divided by the number of another defined entity of the same kind within the mixture Reference "IUPAC, ""Explanatory Glossary of Terms used in Expression of Relative Isotope Ratios and Gas Ratios (IUPAC Recommendations 2008)"", 2008, p. 4, http://old.iupac.org/reports/provisional/abstract08/coplen_prs.pdf [4.8.2010]"
  2. SCIENCE|natural and applied sciences|physical sciences|chemistry

    #622355

    IATE #1206916
    mais mhóilíneach choibhneasta Reference "An Bunachar Náisiúnta Téarmaíochta don Ghaeilge, http://www.tearma.ie/Home.aspx, [22.8.2018]"
    ga
    meáchan móilíneach Reference "An Bunachar Náisiúnta Téarmaíochta don Ghaeilge, http://www.tearma.ie/Home.aspx [22.8.2018]"
    ga
    Molekulargewicht | relative Molekülmasse | relative molare Masse | Mr | relatives Molekulargewicht | Atomgewicht | Formelgewicht
    de
    molecular weight | Mw | relative molecular mass | Mr | relative molar mass
    en
    Definition ratio of the mass of a molecule to the unified atomic mass unit, which is defined as one twelfth of the mass of a carbon-12 atom in its ground state and used to express masses of atomic particles (u ≈ 1.660 5402(10) x 10-27 kg 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://goldbook.iupac.org/R05271.html and http://goldbook.iupac.org/U06554.html [19.1.2010]"
    Comment Sometimes called the molecular weight or relative molar mass
    poids moléculaire | pm | masse moléculaire | masse moléculaire relative
    fr
    Definition rapport de la masse d'une molécule à l'unité de masse atomique unifiée , qui est défini comme le douzième de la masse d'un atome de carbone-12 à l'état de base et qui sert à exprimer les masses des particules atomiques Reference ---
  3. INDUSTRY|chemistry

    #624326

    IATE #1258539
    mól-chóimheas Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Stoffmengenverhältnis | rik = ni/nk
    de
    mole ratio | molar ratio | amount-of-substance ratio | substance ratio | amount ratio
    en
    Definition amount of one constituent divided by the amount of a second constituent in the same system Reference "IUPAC, Analytical Chemistry Division, Subcommittee on Solubility and Equilibrium Data, ""Glossary of terms related to solubility (IUPAC Recommendations 2008)"", Pure and Applied Chemistry, Vol. 80, No. 2, 2008, p. 255, http://www.iupac.org/publications/pac/80/2/0233/pdf/ [11.3.2016]"
    Comment "See also:- mole [ IATE:1085254 ]"
    rapport moléculaire | rapport molaire
    fr
  4. SCIENCE|natural and applied sciences|physical sciences|chemistry|analytical chemistry

    #626049

    IATE #1350054
    tréimhse choinneála Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Retentionszeit | tR | Gesamtretentionszeit | Bruttoretentionszeit | Brutto-Retentionszeit | Elutionszeit
    de
    Definition die Zeit, die von der Aufgabe der Probe bis zum Erscheinen des Signalmaximums auf dem Schreiber verstreicht Reference "Böcker Jürgen, ""Chromatographie : Instrumentelle Analytik mit Chromatographie und Kapillarelektrophorese"", Vogel, Würzburg, 1997, ISBN 3-8023-1582-0, S. 39"
    retention time
    en
    Definition """The time between sample injection and an analyte peak reaching a detector at the end of the column is termed the retention time (tR ). Each analyte in a sample will have a different retention time. """ Reference "Chromatography - Introductory theory http://teaching.shu.ac.uk/hwb/chemistry/tutorials/chrom/chrom1.htm [4.4.2008]"
    temps de rétention
    fr
    Definition temps nécessaire pour qu'un soluté soit élué à son maximum de concentration Reference "Dictionnaire en ligne de l'académie nationale de pharmacie, vedette résolution, http://dictionnaire.acadpharm.org/w/R%C3%A9solution"
    Comment "C'est la principale grandeur de rétention. Il est noté tR (en minutes). Il varie en fonction du débit, de la température d'élution, de la composition de la phase mobile et du vieillissement de la colonne.Temps que met le soluté à sortir de la colonne, c’est-à-dire le temps écoulé entre l’injection et le maximum du pic du composé élué.http://www.lachimie.fr/analytique/chromatographie/grandeurs-retention.php"
  5. SCIENCE|natural and applied sciences|physical sciences|chemistry

    #622135

    IATE #1202787
    toirt iomlán choinneála Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Retentionsvolumen | Gesamtretentionsvolumen | VR
    de
    Definition Volumen der mobilen Phase, das in der Zeitspanne zwischen der Aufgabe der Probe und der Elution des Peakmaximums durch die Säule strömt Reference "Engelhardt H., Rohrschneider L. (Bearbeiter), ""Deutsche chromatographische Grundbegriffe zur IUPAC-Nomenklatur"", Gesellschaft Deutscher Chemiker, Fachgruppe Analytische Chemie, Arbeitskreis Chromatographie, ca. 1999, S. 21, http://www.uni-saarland.de/fak8/huber/pdf/CHROBEGR97.pdf (23.08.2010)"
    retention volume | total retention volume
    en
    Definition the volume of mobile phase entering the column between sample injection and the emergence of the peak maximum of the sample component of interest, or the corresponding time. It includes the hold-up volume (time): tR = VR/FC where FC is the mobile phase flow rate at column temperature 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://goldbook.iupac.org/T06413.html [20.1.2010]"
    volume de rétention
    fr