Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Nahed El Mahallawy"'
Publikováno v:
Discover Water, Vol 4, Iss 1, Pp 1-12 (2024)
Abstract The annual share of water in Egypt has decreased to approximately 500 m3 per capita, while the annual water scarcity level is 1000 m3 per capita, which indicates that Egyptians are at a high risk of living. A domestic desalination unit based
Externí odkaz:
https://doaj.org/article/fda57e1e5364494588939e483f38c177
Publikováno v:
Engineering Science and Technology, an International Journal, Vol 33, Iss , Pp 101086- (2022)
This study investigates the inclusion of different forms of carbon in CoCuMnOx solar selective coating via the low-energy consumption method “sol-gel technique”. The usage of carbon as an additive in CoCuMnOx was an attempt to enhance the spectra
Externí odkaz:
https://doaj.org/article/aea00ffe59b74c0d85ed6401ed2d4033
Publikováno v:
Materials Research Express, Vol 7, Iss 2, p 026410 (2020)
This research addresses the effect of process parameters on the optical properties of solar selective coating. The proposed study discusses the deposition of a selective coating of CoCuMnO _x onto stainless-steel substrate. The coating was prepared v
Externí odkaz:
https://doaj.org/article/4094b315248844adad3bc37403d79fe7
Autor:
Nahed El Mahallawy, Ming Xing Zhang
Special topic volume with invited peer reviewed papers only
Publikováno v:
Egyptian Journal of Chemistry.
Autor:
Alia A. Diaa, Nahed El-Mahallawy, Madiha Shoeib, Nicolas Lallemand, Flavien Mouillard, Patrick Masson, Adele Carradò
Publikováno v:
Materials; Volume 16; Issue 2; Pages: 707
Although zinc (Zn) is one of the elements with the greatest potential for biodegradable uses, pure Zn does not have the ideal mechanical or degrading properties for orthopaedic applications. The current research aims at studying the microstructure an
Autor:
Hebatullah Megahed, Nahed El Mahallawy
Publikováno v:
Journal of Cleaner Production. 368:133105
Publikováno v:
Materials Science and Engineering: A. 647:127-135
In this study, multi-layered Al/Al–12%Si composites were produced by the accumulative roll bonding (ARB) at ambient temperature using commercial pure Al 1050 and Al–12%Si alloy sheets. The microstructures of Al and Al–12%Si alloy layers were ch
Publikováno v:
Materials Research Express. 7:026410
This research addresses the effect of process parameters on the optical properties of solar selective coating. The proposed study discusses the deposition of a selective coating of CoCuMnOx onto stainless-steel substrate. The coating was prepared via
Publikováno v:
Materials Research Express. 7:016590
The present work investigates the effect of friction stir processing on microstructure evolution—grain refining and phase transformation- and hardness of NiAl bronze alloy. NiAl bronze alloys have a wide range of industrial applications especially