Results 31 to 40 of about 1,099 (156)

Enhanced radiation shielding with galena concrete [PDF]

open access: yesNuclear Technology and Radiation Protection, 2015
A new concrete, containing galena mineral, with enhanced shielding properties for gamma sources is developed. To achieve optimized shielding properties, ten types of galena concrete containing different mixing ratios and a reference normal ...
Hadad Kamal   +2 more
doaj   +1 more source

Calculation of attenuation parameter for Ir-192 gamma source in shielding materials

open access: yesJournal of Medical Physics, 2022
Purpose: Calculation of photon attenuation is necessary for the selection of shielding materials for an irradiation facility. Methods and Materials: In this work, a Monte Carlo simulation was utilized to assess the effectiveness of clay-polyethylene ...
Adila Hanim Aminordin Sabri   +3 more
doaj   +1 more source

Prediction of mechanical and radiation parameters of glasses with high Bi2O3 concentration

open access: yesResults in Physics, 2021
This study aims to perform multidirectional characterizations on nuclear shielding efficiencies on some bismuth-based glasses. Accordingly, the γattenuation coefficients for xBi2O3-(75-x)B2O3–25Li2O (x = 0, 10, 20, 30, 40, 50, 60 the 70 mol%) were widely
A. El-Denglawey   +6 more
doaj   +1 more source

Investigation of gamma radiation shielding properties of polyethylene glycol in the energy range from 8.67 to 23.19 keV

open access: yesNuclear Engineering and Technology, 2022
The mass attenuation coefficients (μm) of polyethylene glycol (PEG) of different molecular weights (1000–200,000) were measured using single-beam photon transmission.
H. Akhdar, M.W. Marashdeh, M. AlAqeel
doaj   +1 more source

Evaluation of the shielding parameters of alkaline earth based phosphate glasses using MCNPX code

open access: yesResults in Physics, 2019
Glass systems of composition 16XO–3Al2O3–6CuO–20Na2O–55P2O5 (where X = Sr, Ca, Mg and Ba mol%) have been investigated to check its potential utilize as gamma ray shielding material. Different shielding quantities namely mass attenuation coefficient (µ/ρ),
O. Agar   +7 more
doaj   +1 more source

Gamma Ray Shielding Study of Barium–Bismuth–Borosilicate Glasses as Transparent Shielding Materials using MCNP-4C Code, XCOM Program, and Available Experimental Data

open access: yesNuclear Engineering and Technology, 2017
In this work, linear and mass attenuation coefficients, effective atomic number and electron density, mean free paths, and half value layer and 10th value layer values of barium–bismuth–borosilicate glasses were obtained for 662 keV, 1,173 keV, and 1,332 
Reza Bagheri   +2 more
doaj   +1 more source

Photon Shielding Features of Quarry Tuff

open access: yesEPJ Web of Conferences, 2017
Cantera is a quarry tuff widely used in the building industry; in this work the shielding features of cantera were determined. The shielding characteristics were calculated using XCOM and MCNP5 codes for 0.03, 0.07, 0.1, 0.3, 0.662, 1, 2, and 3 MeV ...
Vega-Carrillo Hector Rene   +5 more
doaj   +1 more source

Investigation of shielding parameters of some boron containing resources for gamma ray and fast neutron

open access: yesResults in Physics, 2019
Mass attenuation coefficient (μt) of some boron containing resources in China were investigated in the paper at 0.001–20 MeV through XCOM and Geant4. What’s more, half value thickness layer (HVL), mean free path (MFP), effective atomic number (Zeff) and ...
M.G. Dong   +4 more
doaj   +1 more source

Radiation attenuation properties based on the quantification of soil components using the Rietveld Method

open access: yesResults in Physics, 2019
We propose the use of X-ray diffraction associated with Rietveld Method (RM-XRD) for soil components quantification aiming at evaluating photon attenuation parameters (total and partial attenuation coefficients (µ), effective atomic number (Zeff ...
L.F. Pires   +3 more
doaj   +1 more source

Determination of X-ray and gamma-ray shielding capabilities of recycled glass derived from deteriorated silica gel

open access: yesNuclear Engineering and Technology, 2023
We determined the radiation shielding properties for 10CaO–xPbO–(90-x) deteriorated silica gel (DSG) glass system (x = 20, 25, 30, 35, 40, and 45 mol.%).
P. Sopapan   +7 more
doaj   +1 more source

Home - About - Disclaimer - Privacy