isotope-dilution method isotope effect isotope indicator isotope production tunnel isotope ratio isotope separation plant isotope specific activity isotope structure isotope technique isotope-tracer measurement isotopic isotopic abundance isotopic analysis isotopic atomic weight isotopic dating isotopic equilibrium isotopic invariance isotopic number isotopic species isotopism |
isotope-dilution method ядр. метод на изотопното разреждане Търсената дума е намерена |