Gaois

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3 results

  1. SCIENCE|natural and applied sciences|physical sciences|chemistry
    meáchan móilíneach Reference An Bunachar Náisiúnta Téarmaíochta don Ghaeilge, http://www.tearma.ie/Home.aspx [22.8.2018]
    ga
    mais mhóilíneach choibhneasta Reference An Bunachar Náisiúnta Téarmaíochta don Ghaeilge, http://www.tearma.ie/Home.aspx, [22.8.2018]
    ga
    relative molare Masse | Atomgewicht | relatives Molekulargewicht | Mr | Formelgewicht | Molekulargewicht | relative Molekülmasse
    de
    Mr | Mw | molecular weight | relative molar mass | relative molecular 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 | masse moléculaire | pm | 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 ---
  2. SCIENCE|natural and applied sciences|physical sciences|chemistry
    meán uimhríochtúil an mheáchain mhóilínigh Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Zahlendurchschnitt | Zahlenmittel der Molmasse | Zahlenmittel | Mn
    de
    Definition Molekulargewichtsmittelwert fuer Hochpolymere, der mit Hilfe physikalischer Methoden in Verbindung mit isothermischer Destillation und Endgruppenanalyse ermitteit wird Reference Fromherz-King
    number-average molecular weight
    en
    Definition a way of determining the molecular weight of a polymer. Polymer molecules, even ones of the same type, come in different sizes (chain lengths, for linear polymers), so the average molecular weight will depend on the method of averaging. The number average molecular weight is the ordinary arithmetic mean or average of the molecular weights of the individual macromolecules. Reference Wikipedia http://en.wikipedia.org/wiki/Molar_mass_distribution [19.1.2010]
    Comment It is determined by measuring the molecular weight of n polymer molecules, summing the weights, and dividing by n. Mn = ΣNiMi/ΣNi or Mn=Σni=1HiΣni=1Hi/Mi where Hi is the level of the detector signal from the baseline for the retention volume Vi,Mi is the molecular weight of the polymer fraction at the retention volume Vi, andn is the number of data points.
    moyenne en nombre du poids moléculaire
    fr
    Mn | Mn
    mul
  3. SCIENCE|natural and applied sciences|physical sciences|chemistry
    meánmheáchan an mheáchain mhóilínigh Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Gewichtsmittel der Molmasse | Massenmittel | Gewichtsmittel | Mw | Gewichtsdurchschnitt
    de
    Definition Molekulargewichtsmittelwert fuer Hochpolwmere, der sich mit Hilfe der Konzentrationsbestimmung trueber Loesungen durch die Lichtstreuungsmethode ermitteln laesst Reference Ullman
    weight-average molecular weight
    en
    Definition a way of describing the molecular weight of a polymer Reference Wikipedia http://en.wikipedia.org/wiki/Molar_mass_distribution [19.1.2010]
    Comment It is determined using the equation:Mw=Σni=NiMi/ΣNiMi or Mw=Σni=1Hi × MiΣni=1Hi whereHi is the level of the detector signal from the baseline for the retention volume Vi,Mi is the molecular weight of the polymer fraction at the retention volume Vi, andn is the number of data points
    moyenne en poids du poids moléculaire
    fr
    Mw | Mw
    mul