abundance isotopic

• izotopski procenat

English-Serbian dictionary. 2013.

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  • Abundance of the chemical elements — Estimated proportions of matter, dark matter and dark energy in the universe. Only the fraction of the mass and energy in the universe labeled atoms is composed of chemical elements. The abundance of a chemical element measures how relatively… …   Wikipedia

  • Isotopic labeling — (or isotopic labelling) is a technique for tracking the passage of a sample of substance through a system. The substance is labeled by including unusual isotopes in its chemical composition. If these unusual isotopes are later detected in a… …   Wikipedia

  • Isotopic dilution — is a technique to increase the precision and accuracy of chemical analysis. First, a known amount of an isotope is added to the sample. For example, to determine the amount of lead in a sample, a known amount of Pb 204, one of the isotopes of… …   Wikipedia

  • Isotopic abundance — См. Содержание изотопа Термины атомной энергетики. Концерн Росэнергоатом, 2010 …   Термины атомной энергетики

  • isotopic ratio — izotopų santykis statusas T sritis fizika atitikmenys: angl. abundance ratio; isotopic ratio; relative isotopic abundance vok. Isotopenhäufigkeitsverhältnis, n; Isotopenverhältnis, n rus. изотопное отношение, n; относительная распространённость… …   Fizikos terminų žodynas

  • abundance ratio — izotopų santykis statusas T sritis fizika atitikmenys: angl. abundance ratio; isotopic ratio; relative isotopic abundance vok. Isotopenhäufigkeitsverhältnis, n; Isotopenverhältnis, n rus. изотопное отношение, n; относительная распространённость… …   Fizikos terminų žodynas

  • isotopic abundance — izotopo paplitimas statusas T sritis chemija apibrėžtis Vieno kurio nors izotopo kiekis visame elementą sudarančių izotopų mišinyje. atitikmenys: angl. isotopic abundance rus. распространение изотопа …   Chemijos terminų aiškinamasis žodynas

  • isotopic abundance — izotopo paplitimas statusas T sritis fizika atitikmenys: angl. isotopic abundance vok. Isotopenhäufigkeit, f rus. распространённость изотопа, f pranc. abondance isotopique, f …   Fizikos terminų žodynas

  • isotopic fractionation — ▪ chemistry       enrichment of one isotope relative to another in a chemical or physical process. Two isotopes of an element are different in weight but not in gross chemical properties, which are determined by the number of electrons. However,… …   Universalium

  • Natural abundance — In chemistry, natural abundance (NA) refers to the abundance of isotopes of a chemical element as naturally found on a planet. The relative atomic mass (a weighted average) of these isotopes is the atomic weight listed for the element in the… …   Wikipedia

  • relative isotopic abundance — izotopų santykis statusas T sritis fizika atitikmenys: angl. abundance ratio; isotopic ratio; relative isotopic abundance vok. Isotopenhäufigkeitsverhältnis, n; Isotopenverhältnis, n rus. изотопное отношение, n; относительная распространённость… …   Fizikos terminų žodynas

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