Zobrazeno 1 - 10
of 821
pro vyhledávání: '"R Awad"'
Publikováno v:
Materials Research Express, Vol 11, Iss 8, p 085008 (2024)
Fabrication of Cd _0.5 Zn _0.5 Nd _x Fe _2–x O _4 nanoparticles, with x = 0.00, 0.01, 0.02, 0.04, 0.06, and 0.08, has been carried out using a wet chemical co-precipitation method. The effect of the rare earth Nd ^3+ doping on the prepared ferrites
Externí odkaz:
https://doaj.org/article/91d770ff618940dd99be3878c79f6fee
Publikováno v:
Materials Research Express, Vol 11, Iss 1, p 015003 (2024)
Zn _0.33 Co _0.33 Mg _0.33 X _2 O _4 nanoparticles (NPs), where X = Fe, Cr, Al and denoted by F, C, and A, were prepared by the co-precipitation method. X-ray diffraction patterns validated the formation of NPs with cubic spinel structure with the de
Externí odkaz:
https://doaj.org/article/f279857f27404776b64b3fafeb7df1be
Publikováno v:
Materials Research Express, Vol 7, Iss 1, p 015057 (2020)
Nano-scale particles of pure Barium hexaferrite ‘BaFe _12 O _19 ’ and Cobalt added Barium hexaferrite ‘Co _x BaFe _12 O _19 ’, with x = 0.04, 0.06 and 0.1 wt%, were successfully synthesized by the chemical co-precipitation method. The synthes
Externí odkaz:
https://doaj.org/article/8185d4d955364f79b3336e601bb4a092
Publikováno v:
Materials Research Express, Vol 7, Iss 10, p 105011 (2020)
(Sm, Co) co-doped ZnO nanoparticles (Zn _1−2x Sm _x Co _x O), $0.00\leqslant {\rm{x}}\leqslant 0.06,$ have been prepared by the co-precipitation technique. The effect of the dopant ions Sm ^3+ and Co ^2+ on the structural, morphological, and electr
Externí odkaz:
https://doaj.org/article/f8049a2374f64dd5a5b9c76eeaea4b25
Publikováno v:
Materials Research Express, Vol 7, Iss 2, p 025016 (2020)
Zn _1−x Sm _x O nanoparticles, with 0.00 ≤ x ≤ 0.10, were prepared using chemical co-precipitation method. The structure and morphology of the obtained samples were characterized using x-ray powder diffraction (XRD), transmission electron micro
Externí odkaz:
https://doaj.org/article/55e7fee8527e4714ae013bdea71c5d00
Autor:
J.M.F. Custodio, J.J.A. Guimarães-Neto, R. Awad, J.E. Queiroz, G.M.V. Verde, M. Mottin, B.J. Neves, C.H. Andrade, G.L.B. Aquino, C. Valverde, F.A.P. Osório, B. Baseia, H.B. Napolitano
Publikováno v:
Arabian Journal of Chemistry, Vol 13, Iss 1, Pp 3362-3371 (2020)
Chalcones exhibit a broad spectrum of biological activities, mainly due to α,β-unsaturated ketone, and are precursors of the biosynthesis of flavonoids present in plants. These compounds have been shown to be useful in the biological approach, prov
Externí odkaz:
https://doaj.org/article/a9b8b75360ef453aa97adeed8f7be519
Autor:
Samir R. Awad, Zeinab M. El Fakharany
Publikováno v:
Water Science, Vol 34, Iss 1, Pp 1-12 (2020)
The waterlogging problem was observed in El-Salhiya area, East Delta, Egypt, as a result of the rising water table in locations north of El-Salhiya canal and surrounding El-Heseneya canal. Therefore, the objectives are determining the causes of water
Externí odkaz:
https://doaj.org/article/f9f2317458434664b7d0c7f00386bfcd
Synthesis, characterization, and Vickers microhardness for (YIG)x/(Bi,Pb)-2223 superconducting phase
Publikováno v:
Ceramics International. 49:22400-22422
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::188fd3e5d5ffd12d6a13ccae8d5f7d65
https://doi.org/10.1016/j.ceramint.2023.04.070
https://doi.org/10.1016/j.ceramint.2023.04.070
Publikováno v:
Ceramics International. 49:21255-21277
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::12a7cb7aad040ab7e37e47c4ccd64cbe
https://doi.org/10.1016/j.ceramint.2023.03.255
https://doi.org/10.1016/j.ceramint.2023.03.255
Autor:
D. Ace, J. Marrs, M. Santana Quintero, L. Barazzetti, M. Demas, L. Friedman, T. Roby, M. Chamberlain, M. Duong, R. Awad
Publikováno v:
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol IV-2-W6, Pp 1-8 (2019)
A cornerstone of the management and conservation of archaeological sites is recording their physical characteristics. Documenting and describing the site is an essential step that allows for delineating the components of the site and for collecting a
Externí odkaz:
https://doaj.org/article/5ea88a1394f044b68e30cca3ac6170b7