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roentgen A unit of radiation, used to measure the exposure of someone or something to X-rays and gamma rays, defined in terms of the ionization effect on air.
Ãâó: www.thepeacefulplanet.com/glossary.html
roentgen Scientist who discovered X-rays in 1895. Received Nobel prize in 1901.
Ãâó: www.radgrp.org/info/glossary.html
roentgen A quantity of radiation absorbed per unit mass of matter. Named after the man who discovered X-rays. Replaced by rads (radiation absorbed dose) where one Roentgen = 0.93 rad. It has now been replaced by the gray, where one gray equals 100 rads.
Ãâó: www.llrc.org/jargonbuster.htm
roentgen A unit of gamma radiation measured by the amount of ionization in air. In non-bony biological tissue 1 roentgen delivers a dose approximately equal to 1 rad.
Ãâó: www.ieer.org/clssroom/glossary.html
roentgen The unit of exposure from X or gamma rays (see exposure).
Ãâó: www.orau.gov/reacts/definitions.htm
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