Absorbed dose is also known as total ionizing dose. It is measure of the energy deposited in a medium by ionizing radiation.
Dose estimation:
The risk of stochastic effects due to radiation exposure can be quantified using the effective dose, which is a weighted average of the equivalent dose to each organ depending upon its radio sensitivity.
When ionizing radiation is used to treat cancer, the doctor will prescribe the radiotherapy treatment in Gy. When risk from ionizing radiation is being discussed, a related unit, the sievert is used.
SI Unit:
It is equal to the energy deposited per unit mass of medium, and so on has the unit J/kg, which is given the special name Gray (Gy)
Some of the unit conversions are
1 joule/kilogram = 1 gray
1 gray = 100 rad
1 joule/kilogram = 100 rad
For more info on basic and derived SI unit conversions, visit Converter
Wednesday, January 6, 2010
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