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self-absorption |
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self-absorption
Physics the process in which some of the radiation emitted by a material is absorbed by the material itself self-absorption [¦self əb¦sȯrp·shən] (nucleonics) Absorption of ionizing radiation by the material that emits the radiation, thus reducing the radiation level against which further shielding must be provided. Also known as self-shielding. (spectroscopy) Reduction of the intensity of the center of an emission line caused by selective absorption by the cooler portions of the source of radiation. Also known as self-reduction; self-reversal. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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