среднегодовая эффективная эквивалентная доза облучения(The equivalent absorbed radiation dose, usually shortened to equivalent dose, is a computed average measure of the radiation absorbed by a fixed mass of biological tissue, that attempts to account for the different biological damage potential of different types of ionizing radiation on different organs. It is therefore a less fundamental quantity than the total radiation energy absorbed per mass (the absorbed dose), but is a more significant quantity for assessing the health risk of radiation exposure. Equivalent dose is dimensionally a quantity of energy per unit of mass, and is usually measured in sieverts or rems. wiki Alexander Demidov)
