has dimension has unit 単位を持つ has value 値を持つ absorbed dose Absorbed dose is the energy deposited in a medium by ionizing radiation. It is a derived quantity in the International System of Units. Absorbed dose is energy divided by mass. total ionizing dose absorbed dose unit quantity 量 attogray attogray centigray centigray decagray decagray decigray decigray exagray exagray femtogray femtogray gigagray gigagray gray gray hectogray hectogray joule per kilogram joule per kilogram 焦耳每千克 kilogray kilogray megagray megagray microgray microgray milligray milligray nanogray nanogray petagray petagray picogray picogray rad rad specific energy, absorbed dose, or dose equivalent dimension teragray teragray