Units of measurement
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Roentgen (R)
Curie (Ci)
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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.
Curie (Ci)
Curie (Ci) – unit of measurement for radioactivity, equal to 3.7 × 10¹⁰ decays per second (1 Ci = 37,000,000,000 Bq).