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Air-kerma, entrance surface

1 byte removed, 17:31, 12 September 2019
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The unit for entrance surface air kerma is the Gy. Entrance surface air kerma <math>K_e</math> can be calculated from incident air kerma <math>K_i</math> using suitable backscatter factor <math>B</math>, or determined directly using small dosimeters (thermoluminescent or semiconductor) positioned at the representative point on the skin of the patients. (Adapted from [[ICRP Publication 117]], 2010)
 
''ICRP Glossary entry - May 2019''