Zobrazeno 1 - 10
of 14
pro vyhledávání: '"O. Aied Nassef"'
Autor:
O. Aied Nassef, Yosr E. E.-D. Gamal
Publikováno v:
Soil and Sediment Contamination: An International Journal. :1-24
Publikováno v:
Archaeological and Anthropological Sciences. 11:5053-5063
About a century ago, the prominent tomb of King Tutankhamun has come to light after being sealed for more than 3200 years in the Valley of the Kings, Luxor, Egypt. The present work presents an investigation of archeological textile samples belonging
Publikováno v:
Physics of Plasmas. 29:073903
An electron cascade model adapted to provide a thorough understanding of the physical mechanisms involved in CO2 laser-induced helium plasma is presented. The model combines a time-dependent calculation of the electron energy distribution with rate e
Publikováno v:
Analytical Methods. 8:7096-7106
An archeological Egyptian cartonnage dating back to the Greco-Roman period around the third century BC was elementally analyzed via the sample-friendly technique, Laser-Induced Breakdown Spectroscopy (LIBS). The unique characteristics of LIBS as bein
Autor:
O. Aied Nassef, Nany Elsherbiny
Publikováno v:
Science & Justice. 55:254-263
The fast and nearly non-destructive criteria of laser induced breakdown spectroscopy (LIBS) technique has been exploited for forensic purposes, specifically, document investigation. The dependence of the optical emission spectra of different black ge
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Publikováno v:
International Journal of Nanoscience. 18:1850033
In this paper, we report the synthesis of Fe3O4 nanoparticles which are resistant to surface poisoning, has been adopted. Fe3O4 nanoparticles have been successfully coated with Au in the form of a shell with different sizes (Fe3O4/Au Core/Shell). Adj
Publikováno v:
Physics of Plasmas. 26:062116
A numerical study is presented to investigate the threshold intensity dependence on the gas pressure in the breakdown of molecular oxygen induced by CO2 laser radiation with a wavelength of 10.591 μm and a pulse FWHM of 64 ns [Camacho et al., J. Phy
Autor:
Yosr E. E. D. Gamal, O. Aied Nassef
Publikováno v:
Physics of Plasmas. 24:103503
In the present work, a numerical analysis is performed to investigate the threshold intensity dependence on gas pressure in laser spark ignition of the H2 plasma. The analysis considered the experimental measurements that were carried out by Yagi and
Akademický článek
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