GAMMA (radiation)
(See also "RADIOACTIVITY")
Gaseous Diffusion
Molecular separation process based on the different passage times of molecules through a semi-permeable membrane due to differences in size and mass. In 235U enrichment of nuclear fuel, the 235UF6 and 238UF6 in uranium hexafluoride are separated in this way.
GRAY (Gy)
(See "DOSE")