Synthesis and photon interaction characterizations of some bioactive glasses
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Non-crystalline Solids"
DOI: 10.1016/j.jnoncrysol.2020.120328
Abstract: Abstract We aim to explore the photon interaction characteristics for some bioactive glass having composition 20SiO2-7.5K2O-7.5Na2O-xCaO-(65-x) P2O5 where x= 2.5, 5.0, 7.5, 10.0 mol %. These bioactive glasses are fabricated via melt quenching technique and… read more here.
Keywords: glass samples; glass; bioactive glasses; mass attenuation ... See more keywords
Evaluation of photon radiation attenuation and buildup factors for energy absorption and exposure in some soils using EPICS2017 library
Sign Up to like & getrecommendations! Published in 2021 at "Nuclear Engineering and Technology"
DOI: 10.1016/j.net.2021.05.030
Abstract: ABSTRACT In this paper, the EPICS2017 photoatomic database was used to evaluate the photon mass attenuation coefficients and buildup factors of soils collected at different depths in the Philippine islands. The extraction and interpolation of… read more here.
Keywords: attenuation; mass attenuation; buildup factors; photon ... See more keywords
ZnO-B2O3-PbO glasses: Synthesis and radiation shielding characterization
Sign Up to like & getrecommendations! Published in 2018 at "Physica B: Condensed Matter"
DOI: 10.1016/j.physb.2018.08.024
Abstract: Abstract A group of glass samples of chemical formula (10ZnO-(40-x) B2O3-(50 + x) PbO) with x varying from 0 to 40 wt fractions were prepared by solid state reaction method. Amorphous nature of these glasses samples confirmed by… read more here.
Keywords: mass attenuation; pbo; radiation shielding; b2o3 pbo ... See more keywords
A general function for determining mass attenuation coefficients to correct self-absorption effects in samples measured by gamma spectrometry
Sign Up to like & getrecommendations! Published in 2021 at "Radiation Physics and Chemistry"
DOI: 10.1016/j.radphyschem.2020.109247
Abstract: Abstract This work is focused on obtaining a general function for calculating the mass attenuation coefficients of samples whose compositions are known such as waste, biota or NORM (Naturally Occurring Radioactive Materials) samples. After determining… read more here.
Keywords: general function; mass attenuation; attenuation coefficients;
Determination of Mass Attenuation Coefficients of Th, U, Np, and Pu for Oxygen Kα X-Rays Using an Electron Microprobe
Sign Up to like & getrecommendations! Published in 2020 at "Microscopy and Microanalysis"
DOI: 10.1017/s1431927620001282
Abstract: Abstract Mass attenuation coefficients (MACs) of Th, U, Np, and Pu for oxygen X-rays have been experimentally determined using an electron microprobe. The MACs were obtained by measuring relative X-ray intensities emitted from ThO2, UO2,… read more here.
Keywords: electron microprobe; attenuation coefficients; mass attenuation; using electron ... See more keywords
Bayesian regularization of multilayer perceptron neural network for estimation of mass attenuation coefficient of gamma radiation in comparison with different supervised model-free methods
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Instrumentation"
DOI: 10.1088/1748-0221/15/11/p11019
Abstract: Multilayer perceptron (MLP) neural networks have been used extensively for estimation/regression of parameters. Moreover, recent studies have shown that learning algorithms of MLP which are based on Gaussian function are more accurate. In this paper,… read more here.
Keywords: multilayer perceptron; attenuation coefficient; regularization; mass attenuation ... See more keywords