Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Mahmoud R Khattab"'
Publikováno v:
Radiation Protection and Environment, Vol 40, Iss 3, Pp 126-132 (2017)
Several radionuclides of the 238U (or its decay daughters such as 234Pa, 234U, 230Th, 226Ra, 214Pb, and 214Bi), 232Th (228Ac, 208Tl, and 212Bi), and 235U decay series have been measured. The 234U/238U activity ratios (ARs) are >1 for most rock sample
Externí odkaz:
https://doaj.org/article/d6e4155700cb4676b62891e1727c3bc2
Autor:
Neveen S. Abed, Mohamed G. El Feky, Atef El-Taher, Ehab El Sayed Massoud, Mahmoud R. Khattab, Mohammed S. Alqahtani, El Sayed Yousef, Mohamed Y. Hanfi
Publikováno v:
Minerals; Volume 12; Issue 10; Pages: 1245
Egypt is mainly covered by ophiolitic rocks, muscovite, and two mica granites, in addition to different types of acidic and basic dikes. Our field observations indicated that El Sela granites were subjected to alteration types such as silicification,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::49b88e5db5183e24e0bf29113da0ed42
Autor:
Neveen S. Abed, Mohamed H. E. Monged, Sahar A. Okasha, Aida A. Salman, Abeer A. Faheim, Mahmoud R. Khattab
Publikováno v:
International Journal of Environmental Analytical Chemistry. 103:737-746
The present study is an application of a radiochemical procedure for the determination of 238U, 235U and 234U as well as uranium isotopic ratios in El Sela ore grade samples that located at the Sou...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d8a61bb523fe687f38437c1497790a6
https://doi.org/10.1080/03067319.2020.1863388
https://doi.org/10.1080/03067319.2020.1863388
Publikováno v:
Zeitschrift für anorganische und allgemeine Chemie. 647:210-217
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e97ffabb09607644ab7c09990454742
https://doi.org/10.1002/zaac.202000176
https://doi.org/10.1002/zaac.202000176
Autor:
Othman Fallatah, Mahmoud R. Khattab
Publikováno v:
Sustainability; Volume 15; Issue 2; Pages: 1590
The weathering of rocks and soil causes uranium to collect in groundwater. In this article, we attempted to assess the activity concentrations of uranium and 234U/238U isotopic ratios in various groundwater samples and plants obtained from the Ha’i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cd8cc88a115c84f1aa249dbb0739844d
https://doi.org/10.3390/su15021590
https://doi.org/10.3390/su15021590
Publikováno v:
International Journal of Environmental Analytical Chemistry. 101:1750-1760
Abu Garadi area is mainly represented by metasediments, alkali feldspar granites and stream sediments. The granitic mass described different degrees of hydrothermal alterations like albitization, g...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4f1b8a4819df2a36a2dbbe1aeb6672d
https://doi.org/10.1080/03067319.2019.1686495
https://doi.org/10.1080/03067319.2019.1686495
Radioactivity of U, Th series and 40K in the collected samples from Abu Garadi area were measured using Hyper Pure Germanium detector Gamma spectrometer (HPGe). 232Th, 226Ra, 40K and 238U contents were determined in the different samples that indicat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::121c1fc47939f35d057faf33dce4be36
https://doi.org/10.21203/rs.3.rs-289150/v1
https://doi.org/10.21203/rs.3.rs-289150/v1
Publikováno v:
Environmental Forensics. 19:217-224
Commercially known Ahmer oxide paints are prepared from raw material mainly composed of red iron oxides (hematite) and iron oxyhydroxides. The raw material used in manufacturing of Ahmer oxide come...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09ff6cb5064f58cfbeff51c892395200
https://doi.org/10.1080/15275922.2018.1485791
https://doi.org/10.1080/15275922.2018.1485791
Publikováno v:
SN Applied Sciences. 1
Graphene oxide functionalized 4-aminobenzenesulfonate (sulfanilic acid) (GOSN) has been synthesized by the reaction of sulfanilic acid with graphene oxide for U(VI) ions adsorption from aqueous solutions. The controlling factors that affect the adsor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51d56048d61dd613042575738b1a14b3
https://doi.org/10.1007/s42452-019-0462-z
https://doi.org/10.1007/s42452-019-0462-z
Autor:
Jukka Lehto, Ibrahim E. El Assay, Hanna Tuovinen, Mahmoud R Khattab, Mohamed G. El Feky, Mohamed A. Abd.El-Rahman
Publikováno v:
Instrumentation Science & Technology. 45:338-348
Three methods were employed for the determination of uranium in granitic ore rock samples. Gamma spectrometry is a non-destructive technique while alpha spectrometry and inductively coupled plasma–mass spectrometry (ICP-MS) are destructive methods
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5849d0dbf63181aec29dd2d596fc871e
https://doi.org/10.1080/10739149.2016.1242078
https://doi.org/10.1080/10739149.2016.1242078