Zobrazeno 1 - 10 of 50 pro vyhledávání: '"Ahmed Shama"'
1
Akademický článek
Anatomical outcome of temporal inverted flap technique versus conventional internal limiting membrane peeling for large macular hole treatment
Autor: Khaled Fathy, Ahmed Magdy, Ahmed Shama, Ahmed Souka
Publikováno v: Alexandria Journal of Medicine, Vol 60, Iss 1, Pp 327-335 (2024)
Objective To compare temporal inverted ILM flap (TIF) technique versus conventional ILM peeling (CILMP) technique in large idiopathic full-thickness macular hole (FTMH) regarding closure rate, and type of closure.Methods We conducted a randomized, in
Externí odkaz: https://doaj.org/article/e42124c1aab4469ea83421d214e50d5d
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2
Akademický článek
Analyses of the bias and uncertainty of SNF decay heat calculations using Polaris and ORIGEN
Autor: Ahmed Shama, Stefano Caruso, Dimitri Rochman
Publikováno v: Frontiers in Energy Research, Vol 11 (2023)
The bias and uncertainty of calculated decay heat from spent nuclear fuel (SNF) are essential for code validation. Also, predicting these quantities is crucial for deriving decay heat safety margins, influencing the design and safety of facilities at
Externí odkaz: https://doaj.org/article/00ea09cefbae4fad8b0b698fa21525d7
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3
Akademický článek
Uncertainty analyses of spent nuclear fuel decay heat calculations using SCALE modules
Autor: Ahmed Shama, Dimitri Rochman, Susanne Pudollek, Stefano Caruso, Andreas Pautz
Publikováno v: Nuclear Engineering and Technology, Vol 53, Iss 9, Pp 2816-2829 (2021)
Decay heat residuals of spent nuclear fuel (SNF), i.e., the differences between calculations and measurements, were obtained previously for various spent fuel assemblies (SFA) using the Polaris module of the SCALE code system. In this paper, we compa
Externí odkaz: https://doaj.org/article/72b3fe519f814452ab20b3577554e163
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4
Akademický článek
Effect of intraocular lens insertion speed on surgical wound structure during phacoemulsification
Autor: Ahmed A El Massry, Ahmed Shama, Mohamed B Goweida, Reem A El Zawawi
Publikováno v: Delta Journal of Ophthalmology, Vol 17, Iss 3, Pp 137-142 (2016)
Purpose The purpose of this study was to evaluate the difference in the effect of two speeds of intraocular lens (IOL) insertion on the clear corneal wound structure of two sizes: 2.4 and 2.2 mm. Setting This study was conducted in the Department of
Externí odkaz: https://doaj.org/article/b867ba4f608c4255bb4cb7ce2163a3d6
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5
On the estimation of nuclide inventory and decay heat: a review from the EURAD European project
Autor: Dimitri Alexandre Rochman, Francisco Álvarez-Velarde, Ron Dagan, Luca Fiorito, Silja Häkkinen, Marjan Kromar, Ana Muñoz, Sonia Panizo-Prieto, Pablo Romojaro, Peter Schillebeeckx, Marcus Seidl, Ahmed Shama, Gasper Žerovnik
Publikováno v: EPJ Nuclear Sciences & Technologies. 9:14
In this work, a study dedicated to the characterization of the neutronics aspect of the Spent Nuclear Fuel (SNF), as part of the European project EURAD (Work Package 8), is presented. Both measured nuclide concentrations from Post Irradiation Examina
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e0e5c9ed0f2cbcc001cd55f5e0894ce6
https://doi.org/10.1051/epjn/2022055
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10
Validation of spent nuclear fuel decay heat calculations using Polaris, ORIGEN and CASMO5
Autor: Ahmed Shama, Andreas Pautz, Stefano Caruso, Dimitri Rochman
Publikováno v: Annals of Nuclear Energy
Decay heat calculations of spent nuclear fuel (SNF) using Polaris and ORIGEN codes in the SCALE code sys-tem, and CASMO5 code, are validated using measurements from the Clab and GE-Morris facilities. Multiple hypothesis testing, relying on permutatio
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::83924ecbfe792c84cfdb0fee89e04d30
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