1.1 The applications are myriad medical applications industrial and research applications everyday lives defence very small size of radionuclide radiation sources the great variety of available radionuclides the consumption of isotopes in a country depends on the level of its economic development and industrialization1.1 The applications are myriad very small size of radionuclide radiation sources the great variety of available radionuclides medical applications industrial and research applications everyday lives defence the consumption of isotopes in a country depends on the level of its economic development and industrialization