Zobrazeno 1 - 10
of 1 440
pro vyhledávání: '"Sayyed M. I."'
Publikováno v:
e-Polymers, Vol 23, Iss 1, Pp 1947-54 (2023)
The radiation shielding characteristics of the polyester resin composites reinforced with cerium(iv) oxide (CeO2) have been studied. The prepared composites were pure polyester–resin (Poly/CeO2-0), 90% per weight polyester resin and 10% CeO2 (Poly/
Externí odkaz:
https://doaj.org/article/8fc594c2ab2e494a8e2b5a520dad75c9
Publikováno v:
e-Polymers, Vol 23, Iss 1, Pp 116-26 (2023)
In this work, the attenuation properties of silicon rubber (SR) composites reinforced by both micro- and nano-sized Tungsten trioxide (WO3) particles are studied. Different SR composites with different combinations of micro-WO3 and nano-WO3 have been
Externí odkaz:
https://doaj.org/article/bc53306fa2ae43f6ab0991d274e1f319
Autor:
Al-Saleh Wafa M., Dahi Mai R. H., Sayyed M. I., Almutairi Haifa M., Saleh I. H., Elsafi Mohamed
Publikováno v:
e-Polymers, Vol 23, Iss 1, Pp 110803-51 (2023)
Radiation and nuclear technologies have side effects in addition to their important applications, so appropriate shields must be used to protect users and the public from high doses as a result of exposure to this radiation. In this work, the attenua
Externí odkaz:
https://doaj.org/article/f527d8edd4f849f99775e8ac717d06e1
Publikováno v:
e-Polymers, Vol 23, Iss 1, Pp 647-53 (2023)
A series of polyepoxide resins doped by lead oxide with low concentrations were fabricated in order to study the impacts of low PbO concentrations on the fabricated composites’ physical- and radiation-shielding properties. The epoxide resin was rei
Externí odkaz:
https://doaj.org/article/f2e1817033294ddc8fd4a85de10865e7
Publikováno v:
e-Polymers, Vol 23, Iss 1, Pp 124444-5 (2023)
In this study, we developed flexible composites using silicone rubber (SR) or polydimethylsiloxane as the matrix and WO3 and BaO nanoparticles as filler to analyze their radiation-shielding performance. The linear attenuation coefficient (LAC) values
Externí odkaz:
https://doaj.org/article/2d7e21c88b204bb198ae40ff329e0913
Autor:
Almuqrin Aljawhara H., Sayyed M. I., Jecong J. F. M., Prabhu Nimitha S., Raviprakash Y., Kamath Sudha D.
Publikováno v:
Open Chemistry, Vol 20, Iss 1, Pp 361-369 (2022)
In this study, four tellurite–germanate glasses containing zinc, lithium, and bismuth with varied Bi2O3 and TeO2 amounts were investigated. The mechanical qualities of sample glasses were investigated and associated with their structural properties
Externí odkaz:
https://doaj.org/article/95ba1216073341c5b2d0702487f1a240
Publikováno v:
e-Polymers, Vol 23, Iss 1, Pp 012089-20 (2023)
The present work aims to fabricate new inexpensive epoxy-based composites with a concentration described by the formula (90 − x)epoxy + 10Sb2O3 + xPbO, where x = 5, 10, 15, and 20 wt%. The impacts of the substitution of epoxy by PbO on the composit
Externí odkaz:
https://doaj.org/article/01ce46652ce74558a41f52275889abac
Publikováno v:
e-Polymers, Vol 23, Iss 1, Pp 102277-44 (2023)
A thorough comparative analysis was conducted between pure epoxy and a novel epoxy composite that included bentonite and WO3 nanoparticles in varying ratios. This study examined five distinct novel epoxy samples (E00, EB0, EBW1, EBW2, and EBW3) to as
Externí odkaz:
https://doaj.org/article/251932ccb39d4fa39bf87bdb66040d25
Autor:
Abdel-Gawad, Esraa H.1 (AUTHOR) esraaabdelgawad@alexu.edu.eg, Sayyed, M. I.2 (AUTHOR), Hanafy, Taha. A.3 (AUTHOR), Elsafi, Mohamed4 (AUTHOR) m.elsafi.phy@alexu.edu.eg
Publikováno v:
Scientific Reports. 6/27/2024, Vol. 14 Issue 1, p1-9. 9p.
Autor:
Sayyed, M. I.1,2 (AUTHOR) dr.mabualssayed@gmail.com, Mahmoud, K. A.3,4 (AUTHOR), Arayro, Jack5 (AUTHOR), Maghrbi, Yasser6,7 (AUTHOR), Mhareb, M. H. A.8,9 (AUTHOR)
Publikováno v:
Scientific Reports. 3/5/2024, Vol. 14 Issue 1, p1-13. 13p.