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May 11, 2014 · 3. Units of radioactivity • Curie: corresponds to activity of 1 gram of Radium 226 • Original unit • 1 Curie = 3.7 x 1010 radioactive decay per second • SI unit is Becquerel • 1 Bq = 1 radioactive decay per second = 2.703 x 10-11 Ci • Also as a measure of quantity of radioactive material i.e. the no. of atoms that will produce 1 Ci of radiation is N = 3.7 x 1010 ƛ • 1 gram of ...
Nov 27, 2014 · RADIATION UNITS Exposure: Roentgen 1 Roentgen (R) = amount of X or gamma radiation that produces ionization resulting in 1 electrostatic unit of charge in 1 cm3 of dry air. Absorbed Dose: rad (Roentgen absorbed dose) = absorption of 100 ergs of energy from any radiation in 1 gram of any material; 1 Gray (Gy) = 100 rads = 1 Joule/kg; Exposure to ...
27. The ICRP calculation provides two weighting factors to enable the calculation of protection quantities. 1. The radiation factor WR, which is specific for radiation type R - This is used in calculating the equivalent dose HT which can be for the whole body or for individual organs.
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Sep 5, 2016 · Radiation protection, also known as radiological protection, is defined by the International Atomic Energy Agency (IAEA) as "The protection of people from harmful effects of exposure to ionizing radiation, and the means for achieving this".
Nov 8, 2016 · This document discusses various radiation quantities and units used to characterize ionizing radiation. It describes key concepts such as activity, kerma, exposure, absorbed dose, equivalent dose, effective dose, annual limit intake (ALI), and derived air concentration (DAC).
Mar 24, 2019 · Radiation quantities & Unites. Mar 24, 2019 • Download as PPTX, PDF •. 9 likes • 360 views. ARNOLD V J. Radiation quantities & Unites Based on nuclear medicine protection point of view. Science. 1 of 45. Download now. Radiation quantities & Unites - Download as a PDF or view online for free.
Jun 23, 2015 · 10 likes • 1,876 views. Syed Akram Kothwal. Introduction to radiation and its units in radiotherapy. Healthcare. 1 of 23. Download Now. Download to read offline. 01 radiation and its units - Download as a PDF or view online for free.
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