Zobrazeno 1 - 10
of 39
pro vyhledávání: '"R.M. Hegazey"'
Autor:
Ehab A. Abdelrahman, R.M. Hegazey, Sameh H. Ismail, Hesham H. El-Feky, Abdalla M. Khedr, M. Khairy, Alaa M. Ammar
Publikováno v:
Arabian Journal of Chemistry, Vol 15, Iss 12, Pp 104372- (2022)
In this paper, our research team has synthesized new nanocomposites by simple precipitation/ignition method and using low-cost chemicals. Hence, β-cobalt hydroxide/hydrohausmannite/ramsdellitee/spertiniite and tenorite/cobalt manganese oxide/mangane
Externí odkaz:
https://doaj.org/article/8c432e60db9b4c3db7aec19662e8edd3
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 2, Pp 1652-1661 (2020)
In the current paper, Egyptian insecticide cans were utilized as an iron source. Also, malic, tartaric, citric, and succinic acids were utilized as organic fuels for the combustion fabrication of hematite nanoparticles which were named HM, HT, HC, an
Externí odkaz:
https://doaj.org/article/443fe4c2c3064dcb80ba36fa2f82a16c
Publikováno v:
Journal of Materials Research and Technology, Vol 8, Iss 6, Pp 5301-5313 (2019)
In this paper, non-crystalline novel adsorbents composed of sodium, oxygen, silicon, and other metals such as iron, nickel, chromium, or zinc were produced using the gelation method. The amorphous products were characterized using various instruments
Externí odkaz:
https://doaj.org/article/9744c55c05ae447db47ec9dd431e287f
Autor:
Abdulrahman A. Almehizia, Mohamed A. Al-Omar, Ahmed M. Naglah, R.M. Hegazey, Asma S. Al-Wasidi, Hanadi A. Katouah, Maram T. Basha, Reem M. Alghanmi, Abdalla M. Khedr, Faisal K. Algethami, Ehab A. Abdelrahman
Publikováno v:
International Journal of Environmental Analytical Chemistry. :1-21
Akademický článek
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Publikováno v:
International Journal of Environmental Analytical Chemistry. :1-17
In this work, we have synthesised a mixture consisting of sodium calcium silicate and calcium silicate nanostructures in the presence and absence of the hydrothermal method. The synthesised products were identified utilising many techniques such as X
Akademický článek
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Autor:
Ahmad A. Alluhaybi, R.M. Hegazey, Mohamed A. Al-Omar, Hatim A. Alherbish, Ehab A. Abdelrahman, Hany M. Youssef, Reem Shah, Faisal K. Algethami, E. M. Mabrouk, Ahmed M. Naglah
Publikováno v:
Journal of Inorganic and Organometallic Polymers and Materials. 31:1035-1046
In this research, sodium aluminum silicate hydrate/analcime composite (abbreviated as S/A) and analcime (abbreviated as A) products were fabricated utilizing the hydrothermal technique in the absence and presence of glutamine (concentration = 0.0435
Autor:
E. M. Mabrouk, Ahmed M. Hameed, Ehab A. Abdelrahman, Ahmed Alharbi, Faisal K. Algethami, Youssef O. Al-Ghamdi, Hany M. Youssef, R.M. Hegazey
Publikováno v:
Journal of Inorganic and Organometallic Polymers and Materials. 30:4117-4128
In this paper, analcime and zeolite X were fabricated using the hydrothermal method in the presence of L-alanine and glycine as organic structure-directing agents, respectively. The XRD confirmed that the average crystallite size of zeolite X and ana
Autor:
Ahmed M. Hameed, Moataz Morad, Abdu Subaihi, Ahmed Alharbi, Ehab A. Abdelrahman, Faisal K. Algethami, Y.G. Abou El-Reash, R.M. Hegazey
Publikováno v:
International Journal of Environmental Analytical Chemistry. 102:2140-2151
In our work, analcime has a crystallite size of 90.54 nm was synthesised using the hydrothermal method in the presence of urea as organic structure-directing agent. Then, Mn(II) ions were removed f...