Search Results - "Badawi, Mohamed S."

Polymeric composite materials for radiation shielding: a review by More, Chaitali V., Alsayed, Zainab, Badawi, Mohamed. S., Thabet, Abouzeid. A., Pawar, Pravina P.

“…The rising use of radioactive elements is increasing radioactive pollution and calling for advanced materials to protect individuals. For instance, polymers…”
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Gamma Attenuation Coefficients of Nano Cadmium Oxide/High density Polyethylene Composites by El-Khatib, Ahmed M., Abbas, Mahmoud I., Elzaher, Mohamed Abd, Badawi, Mohamed S., Alabsy, Mahmoud T., Alharshan, Gharam A., Aloraini, Dalal A.

“…In the present work, high density polyethylene (HDPE) matrix mixed with micro-sized and nano-sized Cadmium oxide (CdO) particles of different concentrations…”
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Enhanced radiation shielding efficiency of polystyrene nanocomposites with tailored lead oxide nanoparticles by Gouda, Mona M., Osman, Ahmad Firas, Awad, Ramadan, Badawi, Mohamed S.

“…In this study, we investigated a novel polymer nano-composite, PS-PbO, containing two distinct nano-sizes of lead oxide nanoparticles (PbO-A and PbO-B), in…”
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Assessment of X-ray shielding properties of polystyrene incorporated with different nano-sizes of PbO by Osman, Ahmad Firas, El Balaa, Hanna, El Samad, Omar, Awad, Ramadan, Badawi, Mohamed S.

“…PbO (lead oxide) particles with different sizes were incorporated into polystyrene (PS) with various weight fractions (0, 10, 15, 25, 35%). These novel PS/PbO…”
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Evaluation of the Effect of Different Nano-Size of WO3 Addition on the Thermal Properties of HDPE Composite by Obeid, Amro, Roumie, Mohamad, Badawi, Mohamed. S., Awad, Ramadan

“…High-density polyethylene (HDPE) composite has been synthesized with promising characteristics. WO 3 of different particle sizes were obtained through a high…”
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A comparative study between nano-cadmium oxide and lead oxide reinforced in high density polyethylene as gamma rays shielding composites by Alharshan, Gharam, Aloraini, Dalal, Elzaher, Mohamed, Badawi, Mohamed, Alabsy, Mahmoud, Abbas, Mahmoud, El-Khatib, Ahmed

“…In this work, polymer composites of high density polyethylene reinforced by micro-sized and nanosized cadmium oxide, lead oxide, and a mixture of both with…”
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Calibration of cylindrical NaI(Tl) gamma-ray detector intended for truncated conical radioactive source by Badawi, Mohamed S, Thabet, Abouzeid A

“…The computation of the solid angle and the detector efficiency is considering to be one of the most important factors during the measuring process for the…”
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Analytical-numerical formula for estimating the characteristics of a cylindrical NaI(Tl) gamma-ray detector with a side-through hole by Thabet, Abouzeid A, Badawi, Mohamed S

“…NaI(Tl) scintillation materials are considered to be one of many materials that are used exclusively for γ-ray detection and spectroscopy. The gamma-ray…”
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Conductive natural and waste rubbers composites-loaded with lead powder as environmental flexible gamma radiation shielding material by El-Khatib, Ahmed M, Doma, A S, Badawi, Mohamed S, Abu-Rayan, Asmaa E, Aly, N S, Alzahrani, Jamila S, Abbas, Mahmoud I

“…It is well known that materials with lead (Pb) content are very effective as protective materials against radiation. Natural rubber (NR) has been loaded with…”
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Gamma attenuation through nano lead - nano copper PVC composites by Abbas, Yehia, El-Khatib, Ahmed, Badawi, Mohamed, Alabsy, Mahmoud, Hagag, Osama

“…Polymer composites of polyvinyl chloride, PVC, were loaded up with micro and nano PbO/CuO particles. The added percentage of each by mass was 10 wt.%, 20 wt.%,…”
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Author Correction: Gamma Attenuation Coefficients of Nano Cadmium Oxide/High density Polyethylene Composites by El-Khatib, Ahmed M., Abbas, Mahmoud I., Elzaher, Mohamed Abd, Badawi, Mohamed S., Alabsy, Mahmoud T., Alharshan, Gharam A., Aloraini, Dalal A.

“…An amendment to this paper has been published and can be accessed via a link at the top of the paper…”
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Analytical computation technique for calculation the effective geometrical solid angle and the efficiency of cubic scintillation crystal with side cylindrical hole by Badawi, Mohamed, Thabet, Abouzeid

“…In the gamma-ray spectroscopy field, the radiometric examination for small quantities of natural samples is extremely significant. Therefore, the gamma-ray…”
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Study of some γ-ray attenuation parameters for new shielding materials composed of nano ZnO blended with high density polyethylene by Alsayed, Zainab, Badawi, Mohamed, Awad, Ramadan, Thabet, Abouzeid, El-Khatib, Ahmed

“…The extensive utilization of radiation is rapidly developing worldwide involving abundant fields like medical, industrial, research, and nuclear facilities…”
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New mathematical approach to calculate the geometrical efficiency using different radioactive sources with gamma-ray cylindrical shape detectors by Thabet, Abouzeid A., Hamzawy, A., Badawi, Mohamed S.

“…The geometrical efficiency of a source-to-detector configuration is considered to be necessary in the calculation of the full energy peak efficiency,…”
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Effect of PbO incorporation with different particle size on X-ray attenuation of polystyrene by Osman, Ahmad, El, Balaa, El, Samad, Alsayed, Zainab, Awad, Ramadan, Badawi, Mohamed

“…Lead oxide (PbO) bulk and nanoparticles of two different sizes (A = 78 nm and B = 54 nm) are incorporated separately into the polystyrene matrix at various…”
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Study of mathematical functions to fit detector efficiency curve in gamma ray energy range from 59.54 keV up to 1408.01 keV by Thabet, Abouzeid, Salem, Bohaysa, Badawi, Mohamed

“…Recently, there have been several significant improvements in the area of the radiation detection system and its instruments, especially those using…”
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Efficiency calibration and coincidence summing correction for a NaI(Tl) spherical detector by Noureddine, Salam F, Abbas, Mahmoud I, Badawi, Mohamed S

“…Spherical NaI(Tl) detectors are used in gamma-ray spectrometry, where the gamma emissions come from the nuclei with energies in the range from a few keV up to…”
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A numerical simulation method for calculation of linear attenuation coefficients of unidentified sample materials in routine gamma ray spectrometry by Badawi, Mohamed

“…When using gamma ray spectrometry for radioactivity analysis of environmental samples (such as soil, sediment or ash of a living organism), relevant linear…”
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New mathematical approach to calculate the geometrical efficiency using different radioactive sources with gamma-ray cylindrical shape detectors by Thabet, Abouzeid A, Hamzawy, A, Badawi, Mohamed S

“…The geometrical efficiency of a source-to-detector configuration is considered to be necessary in the calculation of the full energy peak efficiency,…”
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Gamma-ray attenuation parameters of HDPE filled with different nano-size and Bulk WO3 by Gouda, Mona M., Obeid, Amro, Awad, Ramadan, Badawi, Mohamed S.

“…High-density polyethylene (HDPE) was obtained through a compression molding technique, and incorporated with different filler weight fractions (0, 10, 15, 25,…”
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