kerma


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Related to kerma: air Kerma

kerma

(ˈkɜːmə)
n
(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
[C20: k(inetic) e(nergy) r(eleased per unit) ma(ss)]
References in periodicals archive ?
Kerma was Nubia's first centralized state with its own indigenous forms of architecture and burial customs.
Since the incident air kerma to be measured is generally only slightly higher than background levels, the standards and guidance documents in Table 1 generally recommend, for sensitivity, using a largevolume, free-air (thin-walled) ionization chamber (IC) with a high-quality electrometer with 0.
Michael Roch is a London-based partner of Kerma Partners, the international strategy consultancy for the professional services sector worldwide.
En dicha campana se procedio a la excavacion de 40 tumbas de la cultura Kerma detectadas en los trabajos arqueologicos del ano anterior.
The SAL is calculated as the average signal level (grey-scale value) in the image region of interest ('useful' peak in the histogram) and has a square-root relationship to the signal or the entrance kerma on the imaging plate: (5)
In 2003, some of Diop's theories were supported by an exciting archaeological discovery when a team, led by a Swiss archaeologist, Prof Charles Bonnet, discovered seven massive, magnificently sculpted, black granite statues and monuments in a pit at a site in Kerma, near the Nile in northern Sudan.
Actualmente son numerosas las recomendaciones internacionales que indican la conveniencia de especificar las fuentes en unidades de la magnitud de tasa de kerma en aire, tanto en los certificados de los Laboratorios de Calibracion, como en los sistemas de planificacion, asi como en datos de matrices de dosis publicados en la literatura y en la prescripcion y documentacion en los tratamientos [1,3,7].
Included in the Mayflower fine Indian food range are Chicken Madras, Chicken Masala, Chicken Kerma and Chicken Jalfrezi all accompanied by turmeric rice.
The results were compared at the same amount of air kerma (exposure) at the imaging plate when possible.
Even when Nubians were in power as in the case of Kerma, of Dynasty XXV, or in Meroitic times slavery continued.