Search Results - "Elsaman, Reda"

Assessing geochemical and natural radioactivity impacts of Hamadat phosphatic mine through radiological indices by Fathy, Douaa, Zakaly, Hesham M H, Lasheen, El Saeed R, Elsaman, Reda, Alarifi, Saad S, Sami, Mabrouk, Awad, Hamdy A, Ene, Antoaneta

“…The utilization of phosphorite deposits as an industrial resource is of paramount importance, and its sustainability largely depends on ensuring safe and…”
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Natural radiological risk assessment around archaeological sites, El-Dakhla Oasis (EDO), Egypt by Zakaly, Hesham M. H., Elsaman, Reda, Kamal, Mohamed, Issa, Shams A. M., Abbasi, Akbar, Shen, Jinsong, El-Taher, Atef, Yap, Chee Kong, Abdelbaky, Elsayed, Seleem, El-Montser M.

“…The natural radionuclides in ancient El-Qasr village located in the El-Dakhla oasis (EDO), Egypt's Western Desert were measured using gamma-ray spectrometry…”
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Radioactive and mineralogical assessment of mediterranean black sands: a systematic analysis and health risk evaluation by Zakaly, Hesham M. H., Awad, Hamdy A., Abbasi, Akbar, Almousa, Nouf, Elsaman, Reda, Abd El-Salam, Lotfy M., Mostafa, A. M. A., Issa, Shams A. M.

“…This study investigates the naturally occurring radionuclides in Egyptian black sands collected from the Mediterranean Sea Coast, an area rich in sediments…”
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The influence of heavy elements on the ionizing radiation shielding efficiency and elastic properties of some tellurite glasses: Theoretical investigation by Mostafa, A.M.A., Issa, Shams A.M., Zakaly, Hesham M.H., Zaid, M.H.M., Tekin, H.O., Matori, K.A., Sidek, H.A.A., Elsaman, Reda

“…•Impact of adding PbO and WO3 on the mechanical properties and radiation shielding efficiency of glass samples.•The μm values increase and the HVL, TVL, and…”
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The dependence of natural radioactivity levels and its radiological hazards on the texture of agricultural soil in Upper Egypt by Mostafa, A. M. A., Uosif, M. A. M., Elsaman, Reda, Alrowaili, Z. A., Moustafa, El-sayed

“…To control outdoor exposure to natural radiation, assessment of activity concentrations of the radionuclides in soils is substantial. In this paper, the…”
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(59.5–x) P2O5–30Na2O–10Al2O3–0.5CoO–xNd2O3 glassy system: an experimental investigation on structural and gamma-ray shielding properties by Elsaman, Reda, Issa, Shams A. M., Tekin, H. O., Susoy, G., Showahy, A. A., Elokr, M. M., Erguzel, T. T., Saddeek, Yasser B.

“…In this study, five different glasses encoded ND1, ND2, ND3, ND4 and ND5 based on (59.5– x ) P 2 O 5 –30Na 2 O–10Al 2 O 3 –0.5CoO– x Nd 2 O 3 ( x  = 1, 2, 3, 4…”
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The Influence of CoO/P2O5 Substitutions on the Structural, Mechanical, and Radiation Shielding of Boro-Phosphate Glasses by Mostafa, Ahmed M. A., Uosif, Mohamed A. M., Alrowaili, Ziyad A., Elsaman, Reda, Showahy, Ahmed A., Saddeek, Yasser B., Issa, Shams A. M., Ene, Antoaneta, Zakaly, Hesham M. H.

“…A new glass system (50−x)P2O5–20B2O3–5Al2O3–25Na2O–xCoO was manufactured using a standard melt quenching procedure, where 1≤ x ≤ 12 mol%. The characteristics…”
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Natural radioactivity levels and radiological hazards indices of chemical fertilizers commonly used in Upper Egypt by Uosif, M.A.M., Mostafa, A.M.A., Elsaman, Reda, Moustafa, El-sayed

“…In order to determine the radiological hazards indices of chemical fertilizers commonly used in Upper Egypt, The concentrations of natural radionuclides 226Ra,…”
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A comparative study of the radiological hazard in sediments samples from drinking water purification plants supplied from different sources by Issa, Shams A.M., Uosif, M.A.M., Tammam, Mahmoud, Elsaman, Reda

“…The natural radiation level has been determined for 135 sediment samples from forty-six drinking water purification plants supplied from different sources…”
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Environmental impacts of heavy metals, rare earth elements and natural radionuclides in marine sediment from Ras Tanura, Saudi Arabia along the Arabian Gulf by El-Taher, Atef, Alshahri, Fatimh, Elsaman, Reda

“…Ras Tanura city is one of the most important cities in Saudi Arabia because of the presence of the largest and oldest oil refinery in the Middle East which was…”
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Radiation shielding and mechanical properties of Al2O3-Na2O-B2O3-Bi2O3 glasses using MCNPX Monte Carlo code by Issa, Shams A.M., Tekin, H.O., Elsaman, Reda, Kilicoglu, Ozge, Saddeek, Yasser B., Sayyed, M.I.

“…The glasses had the compositions 5Al2O3-29Na2O-(66−x)B2O3-xBi2O3 with (0 ≤ x ≤ 20 mol%) are prepared by melt quenching technique for serving as competitive…”
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Radiation shielding and physical properties of lead borate glass-doped ZrO2 nanoparticles by Abdel Wahab, E. A., Shaaban, Kh. S., Elsaman, Reda, Yousef, El Sayed

“…Zirconium oxide (ZrO 2 ) nanoparticles have been prepared and examined by XRD. The transparent lead alkali borate glass systems of formula x ZrO 2 –20PbO 2…”
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Gamma, neutron shielding and mechanical parameters for lead vanadate glasses by Mahmoud, I.S., Issa, Shams A.M., Saddeek, Yasser B., Tekin, H.O., Kilicoglu, Ozge, Alharbi, T., Sayyed, M.I., Erguzel, T.T., Elsaman, Reda

“…Alkali lead vanadate glasses with moderate concentrations of PbO were prepared and analyzed to test their use as promising candidates for radiation shielding…”
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Fabrication and characterization of phosphotungstic acid - Copper oxide nanoparticles - Plastic waste nanocomposites for enhanced radiation-shielding by Mahmoud, Mohamed E., M.El-Sharkawy, Rehab, Allam, Elhassan A., Elsaman, Reda, El-Taher, Atef

“…A novel (R-HDPE/CuO-NP-PTA) nanocomposite was designed based on doping recycled high-density polyethylene (R-HDPE) with phosphotungstic acid (PTA) and copper…”
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Analysing the role of CoO in enhancing the radiation shielding properties of ZnO–P2O5–Al2O3–PbO glasses using FTIR and ultrasound techniques by mohamed, Sabry A., Saddeek, Yasser B., Elsaman, Reda, Showahy, A.A., Alharbi, T.

“…This study explores the impact of substituting ZnO with CoO on the structural, elastic, and radiation-shielding properties of ZnO–P2O5–Al2O3–PbO (ZPAPC)…”
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Environmental implications and spatial distribution of natural radionuclides and heavy metals in sediments from four harbours in the Egyptian Red Sea coast by El-Taher, Atef, Zakaly, Hesham M H, Elsaman, Reda

“…Measurements of natural radionuclides concentrations ( Ra, Th and K) in sediments collected from sea, rivers or ocean is significant to protect the sea water…”
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Dualistic influences of Pr3+ ions on the optical and radiation shielding characteristics of alumina bismuth – Sodium phosphate glasses by Saddeek, Yasser B., Aly, K.A., Showahy, A.A., Elsaman, Reda

“…Using a standard melt quenching technique, alumina bismuth-sodium phosphate glasses doped with Pr2O3 were synthesized. The amorphous character of these glasses…”
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Synergistic effects on gamma-ray shielding by novel light-weight nanocomposite materials of bentonite containing nano Bi2O3 additive by El-Sharkawy, Rehab M., Allam, Elhassan A., El-Taher, Atef, Elsaman, Reda, El Sayed Massoud, E., Mahmoud, Mohamed E.

“…In recent years, nanocomposites have gained prominence as potential materials in the γ-radiation shielding and protection areas compared to other conventional…”
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Corrigendum to “Dualistic influences of Pr3+ ions on the optical and radiation shielding characteristics of alumina bismuth – Sodium phosphate glasses” [Radiat. Phys. Chem. 207 (2023) 110856(1–9) https://doi.org/10.1016/j.radphyschem.2023.110856] by Saddeek, Yasser B., Aly, K.A., Showahy, A.A., Elsaman, Reda

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Cadmium-modified iron lead borate glasses for radiation protection by Saddeek, Yasser B., Aly, K.A., Albedah, M.A., Albitaih, Sarah A.S., Elsaman, Reda, Showahy, A.A.

“…Using cadmium-modified iron lead borate glasses with formula 30 B2O3 – 40 PbO – 10 Na2O – (20 -x) Fe2O3 – x CdO where x ranges from 0 to 20 mol%, this work…”
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