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kerma |
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kerma [ˈkɜːmə] n (Physics / General Physics) Physics the quotient of the sum of the initial kinetic energies of all the charged particles liberated by indirectly ionizing radiation in a volume element of a material divided by the mass of the volume element. The SI unit is the gray [k(inetic) e(nergy) r(eleased per unit) ma(ss)] How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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1300-1897; The Ancient Nubian City of Kerma, 2500-1500 B. The Wide-Angle Free-Air Chamber (WAFAC) is specially designed to realize air kerma from a single-seed source emitting photons with energies up to about 40 keV, and is now used to measure the wide variety of seeds used in prostate-cancer therapy that has appeared in the last few years. Even when Nubians were in power as in the case of Kerma, of Dynasty XXV, or in Meroitic times slavery continued. |
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