Units of measurement
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Roentgen (R)
Gigacurie (GCi)
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Information
Roentgen (R)
Röntgen (R) – unit of measurement for exposure dose of X-rays or gamma radiation, corresponding to the dose absorbed by air.
Gigacurie (GCi)
Gigacurie (GCi) – unit of measurement for radioactivity, equal to one billion curies (1 GCi = 1,000,000,000 Ci).