Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Madiha A Shoeib"'
Publikováno v:
Arabian Journal of Chemistry, Vol 15, Iss 1, Pp 103459- (2022)
Four pyridine-pyrimidine derivatives, namely pyridine-2,6-diamine (PD), pyrimidine-2-amine (PA), 6-amino-3,4-dihydropyrimidine-2(1H)-thione (ADT) and ethyl (R)-6-(4-chlorophenyl)-2-mercapto-4-methyl-1,6-dihydropyrimidine-5-carboxylate (EMMD) are used
Externí odkaz:
https://doaj.org/article/6e2f9de2eca94e52ad962b2604c56271
Autor:
Hussein I. Abdel-Shafy, Madiha A. Shoeib, Mohamed A. El-Khateeb, Ahmed O. Youssef, Omar M. Hafez
Publikováno v:
Water Resources and Industry, Vol 23, Iss , Pp - (2020)
Cooling tower blowdown water (CTBW) was treated with simple electrocoagulation (EC) using magnesium-rod electrode. This study examined the effects of the treatment parameters (current density, electrolysis time, electrode distance, initial pH and sti
Externí odkaz:
https://doaj.org/article/62ba0c1468a545bb83ff0c556eb2b471
Publikováno v:
Materials Research Express, Vol 7, Iss 1, p 016579 (2020)
Cu _45 Mn _25 Al _15 Fe _5 Cr _5 Ni _5 high entropy alloy was prepared using casting route. Detailed microstructural analysis revealed the formation of dendritic structure in the as-cast sample. The results showed that the dendrite (DR) regions are r
Externí odkaz:
https://doaj.org/article/77e205aa03e141edb85ef0e7e6ae51a7
Publikováno v:
International Journal of Metalcasting. 16:1034-1044
Microstructure refinement is known to have a significant effect on the electrochemical properties of the metallic alloys. The current research investigated the electrochemical properties of Zn–0.5 wt% Al alloy as influenced by the microstructure ch
Publikováno v:
Arabian Journal of Chemistry, Vol 15, Iss 1, Pp 103459-(2022)
Four pyridine-pyrimidine derivatives, namely pyridine-2,6-diamine (PD), pyrimidine-2-amine (PA), 6-amino-3,4-dihydropyrimidine-2(1H)-thione (ADT) and ethyl (R)-6-(4-chlorophenyl)-2-mercapto-4-methyl-1,6-dihydropyrimidine-5-carboxylate (EMMD) are used
Publikováno v:
Metallography, Microstructure, and Analysis. 8:861-870
Hard anodizing of different aluminum alloys 2014-T3, 6061-T6, and 7075-T6 is conducted in sulfuric acid electrolyte at a temperature of − 5 °C and current densities of 1.6 to 2.8 A/dm2 for 30 to 60 min. The effect of substrate microstructure on th
Publikováno v:
Al-Azhar Dental Journal for Girls. 6:317-328
Purpose: The present study was carried out to study changing the anodization parameters and investigate the corrosion resistance of the ceramic coating that will be formed on the CP-Ti by anodization method. Materials and Methods: CP-Ti (10mm×10mm×
Publikováno v:
Journal of Alloys and Compounds. 785:1284-1292
Electroless Ni-B and Ni-B-Sn ternary alloy nano-coatings were deposited successfully on aluminum substrate from alkaline borohydride bath. The coatings were analyzed using scanning electron microscope (SEM) and energy dispersive X-ray spectroscopy (E
Autor:
Soha A. Abdel-Gawad, Madiha A. Shoeib
Publikováno v:
Surfaces and Interfaces. 14:108-116
Magnesium and magnesium-zinc-calcium based alloys are so attractive as a biodegradable implant materials. The corrosion behavior of pure Mg (≥99.99% wt.) and three Mg based alloys Mg–xZn–yCa (x = 1,2 and 2.5 wt% & y = 0.6, 0.6 and 1.5 wt%) have
Publikováno v:
Egyptian Journal of Petroleum, Vol 27, Iss 4, Pp 497-504 (2018)
The properties of hard anodizing layers formed on 2014 Al alloy in sulphuric acid electrolyte containing sodium lignin sulphonate were investigated. The corrosion behavior of 2014 Al alloy has been studied using potentiodynamic polarization technique