Zobrazeno 1 - 10
of 203
pro vyhledávání: '"M. Elsafi"'
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 7, Pp 2821-2827 (2024)
This investigation developed a novel polyester composite based on the addition of zinc oxide (ZnO) of different sizes. We prepared nine samples Containing different percentages and sizes of ZnO as well as the control sample (Pol-ZnO0). The attenuatio
Externí odkaz:
https://doaj.org/article/a97e61bea0d343eda87e6de6033a5466
Publikováno v:
Nuclear Engineering and Technology, Vol 55, Iss 6, Pp 2166-2171 (2023)
In the present study, six silicone rubber doped by tellurium borate oxides were fabricated using the casting method. The densities of the fabricated silicon rubber-doped by tellurium borate oxides samples were measured using the Archimedes Method. Mo
Externí odkaz:
https://doaj.org/article/e9467c6e628446b394e36e38727a820b
Publikováno v:
Alexandria Engineering Journal, Vol 61, Iss 12, Pp 10161-10170 (2022)
In this study, we investigated the heat and mass transport properties of a non-Newtonian Casson-Williamson nanofluid flow. We explore the effect of viscous dissipation and the velocity slip boundary condition on the mechanism of heat and mass transfe
Externí odkaz:
https://doaj.org/article/26019c79800e4e97be10599e8d2c0e8b
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-10 (2022)
Abstract In the present study, a new type of radiation shielding material was developed by using a 3-D printing technique which enables to create a light radiation shielding materials of a great variety of shapes and dimensions. Micro and nano bismut
Externí odkaz:
https://doaj.org/article/87cfdda226f5462badcbff0239cca073
Autor:
M. Elsafi, Hanan Al-Ghamdi, M.I. Sayyed, A. Antar, Aljawhara H. Almuqrin, K.A. Mahmoud, Katrina Cornish, Thanaa I. Shalaby, Ahmed M. El-Khatib
Publikováno v:
Journal of Materials Research and Technology, Vol 19, Iss , Pp 1862-1872 (2022)
In the current study, the PbO compound was used in order to optimize the gamma-ray shielding properties of the polypropylene polymers. A series of polypropylene doped PbO were performed using various PbO concentrations varied between 0 and 50 wt%. Th
Externí odkaz:
https://doaj.org/article/0de48f1dc8ac442fbad9d7674faff13f
Publikováno v:
Journal of Materials Research and Technology, Vol 19, Iss , Pp 4103-4114 (2022)
The preparation of suitable materials with satisfactory nuclear and mechanical properties to shield the ionizing radiation is a major concern in design the radiation protection. In this work, a group of heavy concrete samples were prepared containing
Externí odkaz:
https://doaj.org/article/862a9df9691748bbbe4ae8d24ae1d8c4
Publikováno v:
Journal of Materials Research and Technology, Vol 17, Iss , Pp 223-233 (2022)
The radiation shielding properties of ball clays produced with various percentages of 5, 10, 15, and 20 w.t% of micro and nano ZnO were experimentally evaluated in this paper. The effects of micro and nano ZnO on the attenuation competence of the pre
Externí odkaz:
https://doaj.org/article/f19e1a0149a04fd79ee5b23db303438b
Publikováno v:
Journal of Materials Research and Technology, Vol 17, Iss , Pp 2073-2083 (2022)
This study aims to experimentally analyze the radiation shielding capabilities of micro and nano bismuth oxide waste glasses by evaluating the effect of particle size, bismuth oxide content, and energy on the attenuation abilities of the samples. Was
Externí odkaz:
https://doaj.org/article/128b2c4d61f5495f953f4082f6c743ac
Publikováno v:
Results in Physics, Vol 30, Iss , Pp 104908- (2021)
Both Micro 0.5 µm and Zero valent aluminum nanoparticles 30 nm were prepared by Arc discharge technique to evaluate the efficiency of radiation detectors, where the protective layer from bulk aluminum gamma is replaced by nanoparticle aluminum layer
Externí odkaz:
https://doaj.org/article/21a4c96938ed4f06a1c19525f4d830e6
Publikováno v:
Crystals, Vol 12, Iss 11, p 1602 (2022)
In the present work, an experimental study is performed to study the radiation shielding characteristics of SrTiO3 (STO) perovskite ceramic added with different amounts (x = 0, 2, 5, and 10%) of tungsten trioxide nanoparticles (WO3 NPs). The four cer
Externí odkaz:
https://doaj.org/article/78085c7613e24e798ced6b1d682f6fb0