Results 31 to 40 of about 1,153 (166)
Frontiers in Human Neuroscience, 2021 Knowledge about the developmental process of dynamic balance control comprised of upper arms and upper legs coordination and trunk and pelvis twist coordination is important to advance effective balance assessment for abnormal development.
Hiroki Mani +5 more
doaj +1 more source
Nuclear Engineering and Technology, 2022 The aim of this work is to study the radiation shielding properties of cement samples with waste glass incortated into its composition. The mass attenuation coefficient (MAC) of the samples were experimentally determined to evaluate their radiation ...
Mohanad S. Eid +6 more
doaj +1 more source
Enhanced radiation shielding with galena concrete [PDF]
Nuclear 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
Journal 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
Results 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
Evaluation of the shielding parameters of alkaline earth based phosphate glasses using MCNPX code
Results 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
Nuclear 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
Photon Shielding Features of Quarry Tuff
EPJ 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
Results 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
Results 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