Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Merfat Algethami"'
Autor:
Omemh Bawazeer, Alaa Fallatah, Mohamed Alasmary, Younis Bokhary, Areej Almerabi, Suha Khan, Nouf Abuhadi, Amani Alalawi, Naseem Asiri, Saeed Bawazir, Saeed Al-Qahtani, Merfat Algethami, Mohamed Badawy
Publikováno v:
The Egyptian Journal of Radiology and Nuclear Medicine, Vol 54, Iss 1, Pp 1-8 (2023)
Abstract Background Radiation shielding in radiology has historically been achieved with lead; however, there has been an increasing demand for radiation shielding to be more environmentally friendly. Barium has shown promise as a substitute in many
Externí odkaz:
https://doaj.org/article/77f072c3c0b14a7eb349afd13249d482
Autor:
A.M.A. Mostafa, B.O. Elbashir, Shams A.M. Issa, M.A.M. Uosif, Antoaneta Ene, Merfat Algethami, Omemh Bawazeer, E.F. El Agammy, Hesham M.H. Zakaly
Publikováno v:
Journal of Materials Research and Technology, Vol 19, Iss , Pp 1972-1981 (2022)
The goal of this investigation is to test the barium boro-silicate glass-ceramics with different additives against gamma radiation using the FLUKA Monte Carlo code. On four different glass-ceramics samples, the effect of an equal quantity of Al2O3, L
Externí odkaz:
https://doaj.org/article/26832d2f5b7f4a218fc9040097995c4d
Autor:
Awatef S. Assran, Hussin Elkik, Merfat Algethami, M.H.M.Abou El-Wafa, Mohammed Alsuhybani, Talal A. Aljohani
Publikováno v:
Journal of Saudi Chemical Society, Vol 27, Iss 2, Pp 101618- (2023)
Salen ligands are essential for coordinating a diverse group of metals in their respective oxidation states. This creates significant complexes of salen metals that are used in different fields. Condensation of ehylenediamine (en) with p-methoxybenza
Externí odkaz:
https://doaj.org/article/d719533ebb384b4a82d921dcbc61846e
Autor:
H.O. Tekin, Gulfem Susoy, Shams A.M. Issa, Antoaneta Ene, Ghada ALMisned, Y.S. Rammah, Fatema T. Ali, Merfat Algethami, Hesham M.H. Zakaly
Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 231-244 (2022)
Using advanced Monte Carlo simulation techniques and theoretical methodologies, a thorough investigation on the gamma-ray shielding properties of several heavy metal oxide glasses were performed. The general-purpose Monte Carlo code MCNPX (version 2.
Externí odkaz:
https://doaj.org/article/f8574e6b8f7b4da2b4fe3bac5658760d
Autor:
Samiya Mahjabin, Md. Mahfuzul Haque, K. Sobayel, Vidhya Selvanathan, M. S. Jamal, M. S. Bashar, Munira Sultana, Mohammad Ismail Hossain, Md. Shahiduzzaman, Merfat Algethami, Sami S. Alharthi, Nowshad Amin, Kamaruzzaman Sopian, Md. Akhtaruzzaman
Publikováno v:
Nanomaterials, Vol 12, Iss 19, p 3467 (2022)
Tungsten oxide (WOx) thin films were synthesized through the RF magnetron sputtering method by varying the sputtering power from 30 W to 80 W. Different investigations have been conducted to evaluate the variation in different morphological, optical,
Externí odkaz:
https://doaj.org/article/e20b426684ae4077b5cf408ed612e484
Autor:
Merfat Algethami, Awad A. Ibraheem, Shams A. M. Issa, Huseyin O. Tekin, Antoaneta Ene, Maria Pyshkina, Mohamed Rashad, Ghada ALMisned, Hesham M. H. Zakaly
Publikováno v:
Materials, Vol 15, Iss 7, p 2464 (2022)
In this study, three different sliding bearing alloy samples were investigated in terms of their performance on attenuation characteristics and behavioral attitudes under 0.015–15 MeV gamma-ray exposure. Accordingly, different types of advanced cal
Externí odkaz:
https://doaj.org/article/3df7aacb8bbc499c94f954535e047332
Autor:
Merfat Algethami
Publikováno v:
Materials Research Express, Vol 9, Iss 2, p 025001 (2022)
This study loaded Bi/Bi _2 O _3 on the surface of reduced graphene oxide (rGO) to perform a two-step facile synthesis of rGO@Bi/Bi _2 O _3 as a bismuth-based nanocomposite. First, Bi/Bi2O3 nanocomposites were synthesised via a solvothermal process us
Externí odkaz:
https://doaj.org/article/4d4c103bad844d9989c73ddb8b428201
Autor:
Ghada ALMisned, Wiam Elshami, Shams A. M. Issa, Gulfem Susoy, Hesham M. H. Zakaly, Merfat Algethami, Y. S. Rammah, Antoaneta Ene, S. A. Al-Ghamdi, Awad A. Ibraheem, H. O. Tekin
Publikováno v:
Materials, Vol 14, Iss 24, p 7703 (2021)
The direct influence of La3+ ions on the gamma-ray shielding properties of cobalt-doped heavy metal borate glasses with the chemical formula 0.3CoO-(80-x)B2O3-19.7PbO-xLa2O3: x = 0, 0.5, 1, 1.5, and 2 mol% was examined herein. Several significant rad
Externí odkaz:
https://doaj.org/article/6f4805b1d7984b8ea0333bce8d544026
Autor:
Ghada ALMisned, Huseyin O. Tekin, Ghaida Bilal, Antoaneta Ene, Gokhan Kilic, Shams A. M. Issa, Merfat Algethami, Hesham M. H. Zakaly
Publikováno v:
Materials, Vol 14, Iss 19, p 5894 (2021)
We aimed to determine the contribution of various trivalent ions like Al and rare-earths (Y, Nd, Sm, Eu) on resistance behaviors of different types of bismo-borate glasses. Accordingly, eight different bismuth borate glasses from the system: 40Bi2O3
Externí odkaz:
https://doaj.org/article/93ac1ade4c344deb868e4e638613437c
Autor:
Ghada ALMisned, Huseyin O. Tekin, Hesham M. H. Zakaly, Shams A. M. Issa, Gokhan Kilic, Heba A. Saudi, Merfat Algethami, Antoaneta Ene
Publikováno v:
Applied Sciences, Vol 11, Iss 21, p 10168 (2021)
Characteristics of tellurite-tungstate-antimonate glasses containing heavy metal oxide were investigated in detail using two methods: the MCNPX Monte Carlo code and the Phy-X/PSD platform. The influence of Sm2O3, translocating with TeO2 at ratios of
Externí odkaz:
https://doaj.org/article/277b032fd06e4fa9bc860bf2e5b62ad6