terms:roentgen
The basic unit of gamma ray exposure. One roentgen is the exposure resulting from the generation of one electrostatic unit (esu) of charge per 0.001293 g (1 cm3 at STP) of dry air. A fixed exposure rate exists at every point in space surrounding a source of fixed intensity.
terms/roentgen.txt · Last modified: 2023/11/22 08:42 by 127.0.0.1