Výsledky vyhledávání - "Hassan H. H. Hefni"

Akademický článek

The synergistic effect of biochar and poly(2-ethyl-2-oxazoline)/poly(2-hydroxyethylmethacarylate)/chitosan) hydrogels on saline soil properties and carrot productivity

Autor: Sayed A. Abdeen, Hassan H. H. Hefni, Ahmed Awadallah-F, Nasser R. Abd El-Rahman

Publikováno v: Chemical and Biological Technologies in Agriculture, Vol 10, Iss 1, Pp 1-17 (2023)

Abstract Background Soil salinity is one of the most important factors limiting crop production. Furthermore, with the increasing population and saline soil worldwide there is no choice but to utilize saline soil to increase the agricultural regions.

Externí odkaz: https://doaj.org/article/33c8b5c0a6f34f24949100dbc588f2b0

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Synthesis of composite membranes from polyacrylonitrile/carbon resorcinol/formaldehyde xerogels: gamma effect study, characterization and ultrafiltration of salted oily wastewater

Autor: Ahmed Awadallah-F, Hassan H. H. Hefni, Ahmed E. Awadallah, Emad A. Badr, Magd M. Badr

Publikováno v: Journal of Polymer Engineering. 42:765-775

The subsequent activated carbons of resorcinol-formaldehyde xerogels are synthesized and exposed to wide range of gamma irradiation dose. Xerogels and their subsequent activated carbons are characterized by diverse techniques; FTIR, Raman, porosity a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a72f1b4b19d2c8690d6afb809157a285
https://doi.org/10.1515/polyeng-2022-0030

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Chitosan/polyacrylonitrile composite nanofiltration membranes: towards separation of salts, riboflavin and antibacterial study

Autor: Romil Mehta, Hassan H. H. Hefni, Mayank Saxena, Gopal Bhojani, A. Bhattacharya

Publikováno v: Polymer Bulletin. 79:4339-4360

Chitosan is in prominence as membrane materials. The present study based on chitosan–tannic acid crosslinked moiety on polyacrylonitrile support membranes. FTIR-ATR, zeta potential, XRD, SEM, AFM, TGA, DSC and contact angle are used to understand t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::702175ec6b013d2186bdcf6fc20a25f9
https://doi.org/10.1007/s00289-021-03727-5

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