info pool/glossary
ENS High Scientific Council Nuclear Issues
ENS YG Reporter Sign up as a Young Generation Reporter
RRFM 2010 21-25 March 2010 in Marrakech, Morocco
ENC 2010 30 May-2 June 2010 in Barcelona, Spain
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Quotient of a number of atoms of a certain isotope in an isotope mixture of an element and the number of all atoms of this element.
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