Ermetova jamila ismailovna ermetov amirbek ismailovich karimova munisa maxsud qizi

radioaktiv indicator – tizimni o'rganish uchun biologik, kimyoviy yoki jismoniy tizim orqali kuzatiladigan modda, ayniqsa radioaktiv modda.
tracey – a substance, especially a radioactive one, traced through a biological, chemical, or physical system in order to study the system.
radioaktiv parchalanish – radioaktiv jarayon, yadro bir yoki bir nechta yadroga o'z-o'zidan aylanadi va bir vaqtning o'zida radiatsiya chiqaradi, elektronni yo'qotadi yoki tarqaladi		radioactive decay – a radioactive process in which a nucleus undergoes spontaneous transformation into one or more different nuclei and simultaneously emits radiation, loses electrons, or undergoes fission.
radioaktiv qator – ota-onaning radioaktiv parchalanishida boshlangan elementlarning ketma-ketligi, har biri barqaror elementga, odatda, olib kelgunga qadar parchalanib ketadigan toriy va uran kabi