isotope+production

См. также в других словарях:

• Isotope — This article is about the atomic variants of chemical elements. For the British jazz fusion band, see Isotope (band). Isotopes redirects here. For the minor league baseball team, see Albuquerque Isotopes. Isotopes are variants of atoms of a… …   Wikipedia

• Isotope separation — is the process of concentrating specific isotopes of a chemical element by removing other isotopes, for example separating natural uranium into enriched uranium and depleted uranium. This is a crucial process in the manufacture of uranium fuel… …   Wikipedia

• isotope — [ izɔtɔp ] n. m. • 1922; angl. 1913; de iso et du gr. topos « lieu, place » ♦ Chacun des éléments de même numéro atomique (occupant la même place dans la classification de Mendeleïev), mais de masse atomique différente. Les isotopes 12, 13 et 14… …   Encyclopédie Universelle

• Isotope analysis — is the identification of isotopic signature, the distribution of certain stable isotopes and chemical elements within chemical compounds. This can be applied to a food web to make it possible to draw direct inferences regarding diet, trophic… …   Wikipedia

• Isotope geochemistry — is an aspect of geology based upon study of the relative and absolute concentrations of the elements and their isotopes in the Earth. Broadly, the field is divided into two branches: stable and radiogenic isotope geochemistry.Lead lead isotope… …   Wikipedia

• isotope — isotopic /uy seuh top ik/, adj. isotopically, adv. /uy seuh tohp /, n. Chem. any of two or more forms of a chemical element, having the same number of protons in the nucleus, or the same atomic number, but having different numbers of neutrons in… …   Universalium

• Isotope fissile — Un isotope est dit fissile si son noyau peut subir une fission nucléaire sous l effet d un bombardement par des neutrons de toutes énergies (rapides ou lents). Le seul isotope fissile naturel est l uranium 235, les autres étant produits… …   Wikipédia en Français

• Isotope fertile — Un isotope fertile est un isotope qui peut produire un isotope fissile suite à la capture d un neutron, directement, ou après une désintégration béta. Sommaire 1 Éléments fertiles naturels 2 Facteur de conversion 3 Mécanisme …   Wikipédia en Français

• Stable isotope — Graph of isotopes/nuclides by type of decay. Orange and blue nuclides are unstable, with the black squares between these regions representing stable nuclides. The unbroken line passing below many of the nuclides represents the theoretical… …   Wikipedia

• Primary production — For other uses, see Primary production (economics). Global oceanic and terrestrial photoautotroph abundance, from September 1997 to August 2000. As an estimate of autotroph biomass, it is only a rough indicator of primary production potential,… …   Wikipedia

• High Flux Isotope Reactor — The High Flux Isotope Reactor (or HFIR) is a nuclear research reactor located at Oak Ridge National Laboratory (ORNL) in Oak Ridge, Tennessee, United States. Operational since 1966, the HFIR is an 85 MW reactor designed for the production of… …   Wikipedia