| 释义 |
DictionarySeedosepercentage depth dose
percentage depth dose[pər¦sen·tij ¦depth ′dōs] (nucleonics) The percentage of the absorbed dose from ionizing radiation at a given depth within a body to the absorbed dose at a reference point, usually the position of the peak absorbed dose. percentage depth dose
percentage depth doseIn radiation therapy, the ratio of the absorbed dose at a given depth to the absorbed dose at a fixed reference depth. It is dependent on four factors: energy, depth, field size, and source-to-skin distance. See also: doseAcronymsSeePDD |