Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Mohammed Fayez-Hassan"'
Autor:
Ahmed M. El-Khatib, Mahmoud I. Abbas, Mohamed E. Mahmoud, Mohammed Fayez-Hassan, Mamdouh H. Khalil, Ahmed Abd El Aal
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-21 (2024)
Abstract This study not only provides an innovative technique for producing rigid polyurethane foam (RPUF) composites, but it also offers a way to reuse metallurgical solid waste. Rigid polyurethane (RPUF) composite samples have been prepared with di
Externí odkaz:
https://doaj.org/article/f6c514995c644584b445cc63fc027f9b
Autor:
Ahmed M. El-Khatib, Mahmoud I. Abbas, Mohamed E. Mahmoud, Mohammed Fayez-Hassan, Mirvat F. Dib, Mamdouh H. Khalil, Ahmed Abd El Aal
Publikováno v:
Polymers, Vol 15, Iss 22, p 4416 (2023)
In this work, the effect of adding Pb nano/microparticles in polyurethane foams to improve thermo-physical and mechanical properties were investigated. Moreover, an attempt has been made to modify the micron-sized lead metal powder into nanostructure
Externí odkaz:
https://doaj.org/article/cc4c3ac47c2642a78db29c40715f98cd
Publikováno v:
Engineering. 11:247-259
The activity concentration of natural radioactivity for soil samples collected from western and mid Libyan regions were measured using HPGe detector. The average activity concentration of 226Ra, 232Th and 40K for ten regions was found to be 51.86 ±