Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Mahmoud Abdel-Hakeem"'
Autor:
Mahmoud Abdel‑Hakeem, Galal El‑Habaak
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-2 (2024)
Externí odkaz:
https://doaj.org/article/e94e7a1873da4a35841b6ccf2b920041
Publikováno v:
Geochemical Transactions, Vol 24, Iss 1, Pp 1-22 (2023)
Abstract The current work is an attempt to reveal the possible utilization of the radiometric measurements to build-up a complete genetic scenario for magmatic, hydrothermal, and supergene uranium mineralization. For this purpose, ground gamma-ray su
Externí odkaz:
https://doaj.org/article/4f5b8c542e164cdb91d166f4ec03f758
Autor:
Mahmoud Abdel-Hakeem, Galal El-Habaak
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-15 (2023)
Abstract The current work makes integrated value-added, geological and chemical studies on the texturally intricate banded iron formation “BIF” that is represented here, as a case in point, by the Um Nar BIF located in the Central Eastern Desert
Externí odkaz:
https://doaj.org/article/b7908b42e164444bbe42bc703b890691
Publikováno v:
Infrastructures, Vol 3, Iss 3, p 22 (2018)
The present study mainly investigates the synthesis of calcined marl-based geopolymeric cement under different synthesis conditions including NaOH concentration, sodium silicate (SS)/sodium hydroxide (SH) mass ratios, solid (S)/liquid (L) mass ratios
Externí odkaz:
https://doaj.org/article/360212c82dc84c21a14c2d328706ba05
Publikováno v:
Arabian Journal of Geosciences. 16
Besides nitrate deposits located in the Atacama Desert of Chile and the Mojave Desert of California, the present work documents, for the first time, the occurrence of potassium nitrate as oval-suboval-shaped aggregations associated with the Late Maas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8691e190169c82bed809585cee3adb6c
https://doi.org/10.1007/s12517-023-11360-x
https://doi.org/10.1007/s12517-023-11360-x
Autor:
Galal El-Habaak, Mahmoud Abdel-Hakeem
Publikováno v:
The Phanerozoic Geology and Natural Resources of Egypt ISBN: 9783030956363
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0535b06a49c02d20d712efe768fde009
https://doi.org/10.1007/978-3-030-95637-0_19
https://doi.org/10.1007/978-3-030-95637-0_19
Publikováno v:
The Journal of Geology. 127:643-663
It is well known that the rare earth elements (REEs) incorporated in the crystal lattice of sedimentary apatite are commonly derived from ambient seawater. This study documents, for the fir...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c8e16e10eefc0ac65b6002418fc4eb6
https://doi.org/10.1086/705414
https://doi.org/10.1086/705414
Autor:
Rafat Khalaphallah, Mokhles A.A. Hassan, Mahmoud Abdel-Hakeem, Galal El-Habaak, Mohamed Askalany
Publikováno v:
Arabian Journal of Geosciences. 13
Biohydrogen is a specific type of biogas produced by the anaerobic degradation of organic matter in the absence of methanogenic bacteria. Depending on the high sensitivity of methanogenic bacteria to oxygen, the surface outcrops of black shale are ex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df988a83a100fd0fb1c37e038d985af1
https://doi.org/10.1007/s12517-020-05482-9
https://doi.org/10.1007/s12517-020-05482-9
Publikováno v:
Applied Clay Science. 162:90-100
The effect of mineralogy of calcined shales on the alkali activation and geopolymerization reactions was studied. Shales under study included black and Dakhla shales, which were obtained from the Abu-Tartur plateau in the Western Desert of Egypt and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9cb274229707ed3ed07d7e5dd0c7d7d
https://doi.org/10.1016/j.clay.2018.05.025
https://doi.org/10.1016/j.clay.2018.05.025
Publikováno v:
International Journal of Scientific Research in Knowledge. 5:20-26
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ba0316b54526ef6940b3645572d3c1f
https://doi.org/10.12983/ijsrk-2017-p0020-0026
https://doi.org/10.12983/ijsrk-2017-p0020-0026