(nucleonics) A unit of γ-ray source strength, corresponding to a dose rate of 1 roentgen per hour at a distance of 1 meter in air. Symbolized RHM.
roentgen per hour at one meter
Did you mean: roentgen per hour at one meter (nucleonics), Rank Hovis McDougall, RHM (abbreviation)
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(¦rent·gən pər ′au̇r at ′wən ′mēd·ər)
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radiation physics [roentgen per hour at 1 metre] A unit of effective strength of a gamma-ray source, quantitatively the number of roentgens dose per hour at 1 metre, roughly equivalent to the curie.
Did you mean: roentgen per hour at one meter (nucleonics), Rank Hovis McDougall, RHM (abbreviation)
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