Zobrazeno 1 - 10
of 102
pro vyhledávání: '"Kareem A. Jasim"'
Publikováno v:
Baghdad Science Journal, Vol 21, Iss 9 (2024)
In this study, the optical characteristics of polyvinyl chloride(PVC), polyvinyl alcohol (PVA) and binary PVA - PVC blend films at various concentrations PVA75% + PVC25%, PVA50% + PVC50%, and PVA25% + PVC 75% are examined in relation to temperature v
Externí odkaz:
https://doaj.org/article/3bcd3b98517540baacc0e1f759729d6e
Autor:
Nawal H. Khudhair, Kareem A. Jasim
Publikováno v:
Ibn Al-Haitham Journal for Pure and Applied Sciences, Vol 36, Iss 1, Pp 149-157 (2023)
This research calculated the effect of partial replacement of Trillium with tin by weight ratios x=0, 5, 10, 15, and 20 of the weight of manufactured samples on the thermal conductivity coefficient of Se60Te40-xSnx chalcogenide glasses. The thermal c
Externí odkaz:
https://doaj.org/article/c27fc363dc0046e3956f9ae686439f49
Publikováno v:
Baghdad Science Journal, Vol 19, Iss 1 (2022)
The products of composites material are very sesetive to many variables, such as manufacturing process, additive materials, …. etc. Filler or additive plays a major role to determine the formation of the properties and behavior of the composites. I
Externí odkaz:
https://doaj.org/article/5252d9314eab4f8296661013a8f23aea
Autor:
Haider M.J. Haider, Kareem A. Jasim
Publikováno v:
Ibn Al-Haitham Journal for Pure and Applied Sciences, Vol 33, Iss 1 (2020)
The superconductor compound (YBa2Cu2.8Zn0.2O7+δ) is prepared by solid state reaction (SSR), Sol-gel (SG) and laser Pulse deposition (PLD) methods. We used the X-ray diffraction technique, which shows an orthorhombic crystalline system for all the
Externí odkaz:
https://doaj.org/article/27021a725b46443ca03af62791781a58
Publikováno v:
Ibn Al-Haitham Journal for Pure and Applied Sciences, Vol 27, Iss 1 (2017)
The Sr doped La1Ba1-xSrx Ca2Cu4O8.5+δ samples with 0 ≤ x ≤ 0.3 had been prepared using the solid state reaction. The samples were claimed at 800°C for 3hr, palletized and sintered at 860°C for 20hr in air . Dielectric constant an
Externí odkaz:
https://doaj.org/article/ba1a4838d773425aa639975f7573c8c7
Publikováno v:
Serbian Journal of Electrical Engineering, Vol 16, Iss 2, Pp 149-160 (2019)
Theoretically, several self-tuning control (STC) algorithms have been developed and many simulation results have proved their feasibility in the past years, but applications of STC are hardly seen. This paper proposes direct and indirect STC plans
Externí odkaz:
https://doaj.org/article/672c8a36996548d09beaf0a9df69ae3f
Autor:
Yousif S. Issa, Khaleel I. Hamad, Rafi J. Algawi, Jasim Humadi, Sara Al-Salihi, Mustafa A. Ahmed, Ahmed A. Hassan, Abdul-Kareem Abd Jasim
Publikováno v:
International Journal of Renewable Energy Development. 12:508-519
A novel nano-catalyst based on iron oxide (MnO2/Fe2O3) was developed to promote wet oxidation of phenol. MnO2 was doped in Fe2O3 matrix to prepare composite nano-catalyst with different doping percentage (0, 2 and 5%). The catalytic phenol oxidation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c03cd9e00a710b1f68ba89f6b04077c
https://doi.org/10.14710/ijred.2023.52044
https://doi.org/10.14710/ijred.2023.52044
Publikováno v:
NeuroQuantology. 20:199-204
This study refers to the development and characterization of silver oxide nanoparticles obtained by X-ray diffraction, nanostructured silver oxide was used in order to calculate the micro strain and crystal size by Halder-Wagner method and by relying
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98e22e06c41385d7cc123ac4c0b79af6
https://doi.org/10.14704/nq.2022.20.1.nq22074
https://doi.org/10.14704/nq.2022.20.1.nq22074
Publikováno v:
NeuroQuantology. 20:43-46
The ceramic composite with different proportions of clay and silica was prepared with a grain size of 70 μm and the weight percentage was selected for four groups (clayx silica100-x) were x q15, 25, 30 and 50. In this manuscript, for each pressured
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66cf276f07be061dae6c32123c209a02
https://doi.org/10.14704/nq.2022.20.3.nq22038
https://doi.org/10.14704/nq.2022.20.3.nq22038
Publikováno v:
NeuroQuantology. 20:51-56
In this paper, a thin film of (Pb2-xSbxBa2Ca2Cu3O10) was deposited on glass substrate using Pulsed Laser Deposition (PLD) method with a power of 400 watts, a frequency of 6 Hz and a rate of 200 pulses. The results showed that the X-ray measurements o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5ef4984b33fc49049e74db6bee2a9c1
https://doi.org/10.14704/nq.2022.20.2.nq22024
https://doi.org/10.14704/nq.2022.20.2.nq22024