radioactive half-life radioactive heat radioactive indicator radioactive instrumentation radioactive irradiation radioactive isobar radioactive isotope radioactive logging radioactive material radioactive matter radioactive nuclei radioactive nucleus radioactive nuclide radioactive parent radioactive period radioactive poison radioactive pollution radioactive preparation radioactive product radioactive radiation |
radioactive half-life период на полуразпадане на радиоизотоп Търсената дума е намерена |