Zobrazeno 1 - 10
of 32
pro vyhledávání: '"N. A. Ghoneim"'
Autor:
A.A. El-Kheshen, A. M. Fayad, N. A. Ghoneim, Fatma H. ElBatal, A.M. Abdelghany, Hatem A. ElBatal, Mohamed A. Marzouk, M. A. Ouis
Publikováno v:
Journal of Theoretical and Applied Physics. 14:159-169
Silicophosphate glasses with variable divalent ion dopants (Zn2+, Sr2+ or Cu2+) were prepared via melt annealing route. Parent and doped glasses were thermally heat-treated through a two-step regime to be converted into their glass–ceramic derivati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f5f7846054b01ee7a2a20e62fe36c45
https://doi.org/10.1007/s40094-020-00372-7
https://doi.org/10.1007/s40094-020-00372-7
Autor:
Mohamed A. Marzouk, Fatma H. ElBatal, N. A. Ghoneim, Hatem A. ElBatal, A.A. El-Kheshen, Ahmed A. El-Beih, A.M. Abdelghany, A. M. Fayad
Publikováno v:
Silicon. 11:197-208
Glasses based on the soda lime borophosphate system together with samples doped with SrO, ZnO or CuO were prepared. Glass – ceramic derivatives were prepared by controlled thermal heat – treatment with two step regime. All the prepared glasses an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b2ad2ed2485da46c0bd379000295c9f2
https://doi.org/10.1007/s12633-018-9845-9
https://doi.org/10.1007/s12633-018-9845-9
Publikováno v:
Silicon. 10:1035-1043
Collective structural, optical and thermal properties were investigated for some prepared soda lime silicate glasses containing high TiO2 contents (35, 40, 45%). X-ray diffraction and scanning electron microscopic studies of the prepared heat treated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0bf08c19bd97cf5795c1c1041e648add
https://doi.org/10.1007/s12633-017-9566-5
https://doi.org/10.1007/s12633-017-9566-5
Publikováno v:
Silicon. 10:959-965
Tungsten oxide (0.25 – 3% WO3) doped barium phosphate glasses were prepared by the conventional melting annealing procedure. Spectroscopic FTIR infrared and ESR measurements were applied at 0 and 10 Mrad doses of gamma irradiations. The UV-Visible
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::860993990f38a7c794d176941cb4b6dc
https://doi.org/10.1007/s12633-017-9553-x
https://doi.org/10.1007/s12633-017-9553-x
Autor:
N H, Ghoneim, D A, Hamza
Publikováno v:
Revue scientifique et technique (International Office of Epizootics). 36(3)
Clostridium perfringens is an important anaerobic pathogen causing food-borne gastrointestinal (GI) diseases in humans and animals. Meat and meat products are the most common vehicles of C. perfringens type A food poisoning. Contamination of meat by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::35fe20cbbce57cf16df4f97d31d05ec8
https://pubmed.ncbi.nlm.nih.gov/30160688
https://pubmed.ncbi.nlm.nih.gov/30160688
Publikováno v:
Applied Physics A. 124
Some multi-component borate glasses containing dopants of Ag2O, CuO, CeO2 or V2O5 were prepared. Multi-characterization techniques were carried out to investigate their bioactivity, corrosion weight loss after immersion in phosphate solution. Control
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85939049b6ba24e46cb47306d5808222
https://doi.org/10.1007/s00339-017-1526-9
https://doi.org/10.1007/s00339-017-1526-9
Publikováno v:
Silicon. 7:409-417
Undoped lithium disilicate glasses together with glasses of the same nominal composition containing 0.2 % of one of the 3d transition metal oxides (TMO) were prepared. Combined optical and FT infrared absorption spectral analysis were carried out for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74f0ab28f55ce7ea9395be05f013e3c6
https://doi.org/10.1007/s12633-014-9274-3
https://doi.org/10.1007/s12633-014-9274-3
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 133:534-541
UV–visible and FT infrared spectra were measured for prepared samples before and after gamma irradiation. Base undoped barium borate glass of the basic composition (BaO 40%–B2O3 60 mol.%) reveals strong charge transfer UV absorption bands which a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bad1d1355c805a424a3d68f778f2865a
https://doi.org/10.1016/j.saa.2014.06.044
https://doi.org/10.1016/j.saa.2014.06.044
Publikováno v:
Journal of Non-Crystalline Solids. 387:155-160
This work aims to compare the experimental shielding behavior of some prepared binary borate glasses with SrO, CdO, BaO, PbO or Bi2O3 towards successive gamma irradiation by investigating their combined optical and FTIR spectral measurements before a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4fb428ae265083fd048a3c2445c0d38
https://doi.org/10.1016/j.jnoncrysol.2014.01.002
https://doi.org/10.1016/j.jnoncrysol.2014.01.002
Publikováno v:
Journal of Molecular Structure. 1035:209-217
Pristine lithium phosphate, lead phosphate and zinc phosphate glasses and glasses of the same compositions containing TiO 2 (0.25 → 2.5%) were prepared. UV–visible and infrared absorption spectra of the prepared samples were measured before and a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16aef694f28b221d3e633a7847290786
https://doi.org/10.1016/j.molstruc.2012.11.034
https://doi.org/10.1016/j.molstruc.2012.11.034