Results 141 to 150 of about 9,749 (213)
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Neutron kerma factors and water equivalence of some tissue substitutes

Applied Radiation and Isotopes, 2015
Hector Rene Vega-Carrillo, N M Badiger
exaly   +2 more sources

The Eastern Cemetery of Kerma

, 2021
The Eastern Cemetery of Kerma is located south of the Third Cataract, close to the ancient city that was likely the center of the Kingdom of Kerma. It extends over 70 hectares and contains about 40,000 graves.
C. Bonnet, M. Honegger
semanticscholar   +1 more source

Photon and neutron kerma coefficients for polymer gel dosimeters

Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2015
Ahmed Mahmoud El-Khayatt   +1 more
exaly   +2 more sources

Evaluation of gamma attenuation parameters and kerma coefficients of YBaCuO and BiPbSrCaCuO superconductors using EGS4 code

, 2020
The levels of the coefficients of the mass attenuation (μ/ρ) for YBaCuO and BiPbSrCaCuO superconductors and their contents were determined theoretically, using EGS4 simulation code and the XCOM database, and experimentally at gamma-ray energies of 511 ...
H. Baltaş
semanticscholar   +1 more source

Development and characterization of air kerma cavity standard

Measurement, 2019
Ionization chambers are the most common detectors for precise measurements such as these required in radiation protection and radiotherapy. This paper presents the design, development and characterization of a new graphite-walled cavity ionization ...
M. Szymko   +3 more
semanticscholar   +1 more source

A new Diamentor for measuring kerma‐area product and air‐kerma simultaneously

Medical Physics, 1997
The new M4KDK Diamentor (PTW‐Freiburg) for measuring the air‐kerma‐area product (KAP) and air kerma (AK) simultaneously was evaluated. The special design of the Diamentor chamber influences the variation of the calibration factor with respect to the field size somewhat differently to what is the case with the classic Diamentor.
H, Gfirtner, F E, Stieve, J, Wild
openaire   +2 more sources

Calculation of air kerma inside the radiation field of X-ray tube

Radiation Measurements, 2019
The air kinetic energy released per unit of mass (air kerma) quantity is of importance in both medicine and industry for evaluating the radiation field of X-ray tubes and also for calibrating the reference instruments.
Ehsan Nazemi   +4 more
semanticscholar   +1 more source

The Holocene Prehistory of Upper Nubia until the Rise of the Kerma Kingdom

Handbook of Ancient Nubia, 2019
The Holocene prehistory of Upper Nubia has long been poorly known due to the few research projects focused on this period. In comparison, Lower Nubia and the Central Sudan have been much better studied. In Lower Nubia the sequence of Nab­ ta Playa 200 km
M. Honegger
semanticscholar   +1 more source

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