【化】 放射性核素平均寿命

mean length of life mean life time radionuclide mean of variance mean of ratio variance of mean mean fraction of losses mean of observation coefficient of mean deviation mean length of turn mean of dekad mean amount of information mean life ion mean life mean life span mean after-life time mean life-span mean life rate Provision of diagnostic radionuclide accelerating elimination of radionuclide Provision of therapeutic radionuclide