Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Yahia H. Elbashar"'
Publikováno v:
Processing and Application of Ceramics, Vol 10, Iss 4, Pp 277-286 (2016)
Dielectric and optical properties of 45 P2O5-34 ZnO-(20 −x)Na2O-1 Al2O3-xCuO glasses (0 ≤ x ≤ 5) were investigated. The frequency and composition dependencies of the dielectric parameters were analysed and discussed. The values of real part of
Externí odkaz:
https://doaj.org/article/f041dc99be714eafa68a99cce930650d
Autor:
Yahia H. Elbashar
Publikováno v:
Processing and Application of Ceramics, Vol 9, Iss 3, Pp 169-173 (2015)
Homogeneous glass samples with different compositions 42 (P2O5)·40 (ZnO)·(16 −x)(K2O)·2 (Bi2O3)·x(Cu2O) (where x = 1, 2 and 3 mol%) were prepared by conventional melt-quenched technique under controlled conditions. The structure of the prepared
Externí odkaz:
https://doaj.org/article/ce4dd0aab861429a9e4e80aec00f5874
Publikováno v:
Journal of Optics. 51:1078-1085
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a0311c6854cf2152a431f41ab078f93
https://doi.org/10.1007/s12596-022-00852-w
https://doi.org/10.1007/s12596-022-00852-w
Publikováno v:
Journal of Optics. 52:10-15
A glass matrix consist of neodymium doped borate glass with chemical composition (58-x) B2O3-xNa2O- 40ZnO- 2Nd2O3 x = 0, 5, 10, 15, 20 and 25 mol%. This type of glass used for glass laser medium. The glass has fabricated and annealed by the conventio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::57fd3d8f80ebf6c49ca915f2bc43ff27
https://doi.org/10.1007/s12596-021-00773-0
https://doi.org/10.1007/s12596-021-00773-0
Publikováno v:
Journal of Optics. 51:795-800
A glass system of 40P2O5–(21 − x) Na2O–38ZnO–x Co3O4–1CuO where (x = 1, 2, 3, 4 and 5) has been prepared by melt quenching technique. The density of the glasses was measured, and molar volume was calculated. The structure has been investiga
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e3e500d46ac5233395b017f4afbab98
https://doi.org/10.1007/s12596-021-00752-5
https://doi.org/10.1007/s12596-021-00752-5
Publikováno v:
Journal of Optics. 51:761-766
This study was done to investigate the effects of ultraviolet radiation—(UVA) on blood indices of albino rats after continuous exposure to some doses of UVA. The mole-rats of 180–200 g body weight were divided into the control and radiation-trial
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4937d808bf1c530152229012edae6b7c
https://doi.org/10.1007/s12596-021-00739-2
https://doi.org/10.1007/s12596-021-00739-2
Autor:
Yahia H. Elbashar, Mohamed. Adel Fawzy, Basma Ahmed Abdelmigid, Sameh M. Elghnam, Mona Abdel-Hamed Yehia
Publikováno v:
Journal of Optics. 51:574-584
Ultraviolet (UV) radiation is one part of the electromagnetic spectrum. UVA comprises more than 90% of the solar UV radiation reaching the Earth. The present study was to examine the biological effects of UVA radiation on rats skin histomorphology, i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8878ff809c262c7bd2947b4ec181d0b
https://doi.org/10.1007/s12596-021-00736-5
https://doi.org/10.1007/s12596-021-00736-5
Publikováno v:
Journal of Optics. 50:559-568
In this paper, the samples of network of borate glass have been prepared by melt quenching technique and characterized. Optical characterization of the network was examined By UV–VIS spectroscopic technique. The results showed an increasing in refr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c79d4061320fb466219dbccf2d9d2a5
https://doi.org/10.1007/s12596-021-00724-9
https://doi.org/10.1007/s12596-021-00724-9
Publikováno v:
Journal of Optics. 51:241-245
A hollow cathode discharge was constructed and characterized. The discharge is produced in argon gas inside the discharge cell, which consists of a hollow cathode as a cathode and disk mesh as an anode. The electrodes were made of copper as a sputter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c7ad8fb365d8186417f68c93213e06a
https://doi.org/10.1007/s12596-021-00726-7
https://doi.org/10.1007/s12596-021-00726-7
Publikováno v:
Journal of Optics. 51:37-45
In the present study, we investigated a numerical simulation for employing fused silica for self-compression of femtosecond laser pulses. Self-compression, resulting from the interaction between self-phase modulation and negative group velocity dispe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8eac6c0b19a2317927360e9eda063b8d
https://doi.org/10.1007/s12596-021-00732-9
https://doi.org/10.1007/s12596-021-00732-9