Zobrazeno 1 - 10
of 110
pro vyhledávání: '"Sahar A. Mostafa"'
Autor:
Mohammad I. ALbiajawi, Rufaidah Wahppe Alkasawneh, Sahar A. Mostafa, Izwan Johari, Rahimah Embong, Khairunisa Muthusamy
Publikováno v:
Journal of King Saud University: Engineering Sciences, Vol 36, Iss 3, Pp 186-198 (2024)
Due to its environmental, economic, and durability advantages, sustainable concrete has considerably increased the potential of research in recent years. This paper investigates how rubber waste affects the mechanical properties, durability, and micr
Externí odkaz:
https://doaj.org/article/1c08879e0b54402bbcd60037f111016f
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03422- (2024)
One of the most present types of concrete in buildings is ultra-high-performance concrete. In contrast, large quantities of cement are consumed to achieve the required strength. To minimize the quantity of cement utilized in manufacturing ultra-high-
Externí odkaz:
https://doaj.org/article/92915f7b2c8b4d5a999515f8f6e6f101
Autor:
Sahar A. Mostafa, Ibrahim Saad Agwa, Bahaa Elboshy, Abdullah M. Zeyad, Ahmed M. Seddik Hassan
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e03365- (2024)
Innovative building materials are the primary focus for researchers seeking to reduce energy consumption and advance global sustainability initiatives. This target could accomplished by addressing environmental issues and confronting the adverse impa
Externí odkaz:
https://doaj.org/article/28b15109d0a842f7954cadcda4f28546
Publikováno v:
Case Studies in Construction Materials, Vol 18, Iss , Pp e01721- (2023)
This research investigates the effect of using nano agriculture waste as a partial substitute to solve increased climatic concerns in addition to producing modern ultra-high-performance fiber reinforced self-compacting concrete (UHPFC-SCC). Three typ
Externí odkaz:
https://doaj.org/article/1366968f6c1a4286b2a4352df2d60880
Publikováno v:
Case Studies in Construction Materials, Vol 17, Iss , Pp e01453- (2022)
Producing sustainable concrete using waste materials has a noticeable impact on the environment. From another aspect, understanding the effect of high temperature on concrete can help in reduce the environmental fire impact and lower rehabilitation c
Externí odkaz:
https://doaj.org/article/2c0f46c0c5624c999d2492d9cc7d59c5
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-16 (2021)
Abstract Corrosion resistance of high strength steel (HHS) embedded in ultra-high performance concrete (UHPC) immersed in 3.5% NaCl solution is evaluated in the absence and presence of nano silica (NS), nano glass waste (NGW), nano rice husk ash (NRH
Externí odkaz:
https://doaj.org/article/78d7443b72ef4e469f6e2904807ccd96
Autor:
Sahar A. Mostafa, Ahmed S. Faried, Ahmed A. Farghali, Mohamed M. EL-Deeb, Taher A. Tawfik, Stanisław Majer, Mohamed Abd Elrahman
Publikováno v:
Materials, Vol 13, Iss 20, p 4530 (2020)
This investigation presents the influence of various types of nanoparticles on the performance of ultra high performance concrete (UHPC). Three nanoparticles from waste materials include nano-crushed glass, nano-metakaolin, nano-rice husk ash were pr
Externí odkaz:
https://doaj.org/article/20f590cdead04b308f4d0607f9405beb
Autor:
Sahar Ibrahim Mostafa, Nesma M. Abdelfattah, Sayed M. Ghorab, Manal F. Osman, Noha A. Elwassefy
Publikováno v:
Emergent Materials. 6:583-593
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2225f908df1541919cc448dce495eda6
https://doi.org/10.1007/s42247-023-00491-2
https://doi.org/10.1007/s42247-023-00491-2
Publikováno v:
Environmental Science and Pollution Research. 29:75380-75401
This research aimed to investigate the effect of nanorice husk ash (NRHA) prepared using different thermal treatment methods on ultra-high-performance concrete (UHPC) behaviour. NRHA was prepared by two methods: (1) burning for 3 h at 300, 500, 700 a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca6100e5bbc828d01a7b4b765a6fa70c
https://doi.org/10.1007/s11356-022-20779-w
https://doi.org/10.1007/s11356-022-20779-w
Autor:
Amal A. Mohamed, Yousry Esam-Eldin Abo-Amer, Amyan Aalkhalegy, Lamiaa Abdelfattah Fathalla, Mostafa Bedair Elmaghraby, Mohamed Mahmoud Elhoseeny, Sahar Mohamed Mostafa, Mohamed El-Abgeegy, Rania Abdelmonem Khattab, Dalia Ali El-damasy, Wafaa Salah, Abeer Mohammed Salem, Wael Mohamed Elmashad, Mohamed Elbahnasawy, Sherief Abd-Elsalam
Publikováno v:
The Open Biomarkers Journal. 11:108-114
Introduction: Collagens are the most abundant proteins in the human body, accounting for one-third of total proteins. Over the last few years, accumulated evidence have indicated that some collagens are differentially expressed in cancer. The aim of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b337aff702abba58cfb261bd4ea7454
https://doi.org/10.2174/1875318302111010108
https://doi.org/10.2174/1875318302111010108