Results 21 to 30 of about 155,797 (260)

The effect of replacing sand by iron slag on physical, mechanical and radiological properties of cement mortar

open access: yesHBRC Journal, 2017
In the present study, the effects of replacing sand by high percentages of basic-oxygen furnace slag on the compressive strength, bulk density and gamma ray radiation shielding properties of mortar have been investigated.
Ahmed S. Ouda, Hamdy A. Abdel-Gawwad
doaj   +1 more source

A research on the gamma ray attenuation characteristics for real bone and manganese substituted artificial bone dust

open access: yesCumhuriyet Science Journal, 2020
This research focalized on the gamma ray attenuation charesteristics of real bone and manganese substituted Nano hydroxyapatite artificial bone dusts. The current samples were excited with using 59.5 keV photons emitted from an 241Am annular radioisotope
Erhan Cengiz   +4 more
doaj   +1 more source

Gamma, neutron, and heavy charged ion shielding properties of Er3+-doped and Sm3+-doped zinc borate glasses

open access: yesOpen Chemistry, 2022
This study aimed to investigate the nuclear radiation shielding properties of erbium (Er)-reinforced and samarium (Sm)-reinforced borate glasses. In the 0.015–15 MeV photon energy range, attenuation coefficients, as well as half-value layer tenth-value ...
Tekin Huseyin Ozan   +9 more
doaj   +1 more source

Electropolymerization of phenol on a vitreous carbon electrode in alkaline aqueous solution at different temperatures [PDF]

open access: yes, 2009
Electrochemical oxidation of phenol in basic aqueous solution has been studied on a vitreous carbon electrode at different temperatures in the range of 25–85 °C by cyclic voltammetry and chronoamperometry techniques.
Savall, André   +1 more
core   +1 more source

Preparation and characterization of bismuth-filled high-density polyethylene composites for gamma-ray shielding

open access: yesRadiation Protection and Environment, 2019
An attempt has been made to prepare the nonlead-based gamma shielding materials by adding different weight percentages (0%, 10%, 20%, and 40%) of bismuth in high-density polyethylene (HDPE) matrix.
M Sheela   +3 more
doaj   +1 more source

A Systematical Characterization of TeO2–V2O5 Glass System Using Boron (III) Oxide and Neodymium (III) Oxide Substitution: Resistance Behaviors against Ionizing Radiation

open access: yesApplied Sciences, 2021
This study aimed to perform an extensive characterization of a 74.75TeO2–0.25V2O5–(25 − x)B2O3-xNd2O3 glass system with (x = 0, 0.5, 1.0, and 1.5 mol%) for radiation shielding properties. Linear and mass attenuation coefficients were determined using Phy-
H. O. Tekin   +7 more
doaj   +1 more source

Development of high-performance heavy density concrete using different aggregates for gamma-ray shielding

open access: yesHBRC Journal, 2015
The performance requirements of the concrete of containment structures are mainly radiological protection, structural integrity, durability, etc. For this purpose, high-performance heavy density concrete can be used. After extensive trials and errors, 15
Ahmed S. Ouda
doaj   +1 more source

Investigation on radiation shielding parameters of cerrobend alloys

open access: yesNuclear Engineering and Technology, 2017
In this study, to determine the most effective alloy for shielding against gamma-rays, the gamma-ray shielding parameters of six types of cerrobend alloys have been investigated.
Borhan Tellili   +2 more
doaj   +1 more source

Calculation of gamma-ray attenuation parameters for locally developed shielding material: Polyboron

open access: yesJournal of Radiation Research and Applied Sciences, 2016
In the present study, the mass attenuation coefficient (μm) has been calculated analytically for a locally developed shielding material, polyboron, and compared with the values obtained from the WinXCom code, a Windows version of the XCOM database at the
Ripan Biswas   +3 more
doaj   +1 more source

Effect of high temperature on the radiation shielding properties of cementitious composites containing nano- Bi2O3

open access: yesJournal of Materials Research and Technology, 2020
In this study, the effect of various temperatures at 25, 200, 400, and 600 °C, on the mechanical and gamma ray shielding properties of heavy-weight concrete (HC) with various content of Nano Bismuth Oxide (NB) at levels of 0, 2, 4 and 6% were determined.
Iman M. Nikbin   +6 more
doaj   +1 more source

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