Kirish........................................................................................................ 3 I bob. Laboratoriya ishlarini tashkil etish va tabiatdagi radioaktivlikni o’rganish.......................................................................................................... 7 Yadro fizikasilaboratoriya mashg’ulotlarini bajarishda zamonaviy yondashuv 7Stsintillyatsion schyochik yordamida radioaktiv moddaning betta-aktivligini o’lchash laboratoriya mashg’ulotining nazariy asoslari................................... 10Tabiatdagi radioaktivlik.......................................................................... 16I bob xulosasi................................................................................................ 43 II bob. Sintsilyatsion schyotchik yordamida tabiatdagi radioaktivlikni o’rganish..................................................................................................... 44 Radioaktiv ifloslanishning tuproq xossalari va inson sog‘ligiga ta’siri........ 44Sinsillatsion detektorlarning ishlash prinsipi............................................. 51Stsintillyatsion schyochik yordamida radioaktiv moddaning betta-aktivligini o’lchash laboratoriya ishini fizik dasturlardan foydalanib o’rganish............... 54II bob xulosa................................................................................................ 61 Xotima.......................................................................................................... 62 Foydalanilgan adabiyotlar….......................................................................... 64