M. I. Nasr
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View article: Manufacturing of Heavy Tungsten Alloys from Nano-Sized Metal Oxides Via Simultaneous Reduction-Sintering Powder Treatments
Manufacturing of Heavy Tungsten Alloys from Nano-Sized Metal Oxides Via Simultaneous Reduction-Sintering Powder Treatments Open
View article: Characteristics and applications of iron oxide reduction processes
Characteristics and applications of iron oxide reduction processes Open
The present review handles the main characteristics of iron oxide reduction and its industrial applications. The reduction of iron oxide is the basis of all ironmaking processes, whether in a blast furnace or by direct reduction and/or dir…
View article: Studies on the Reduction Behavior of Iron Oxide Pellet Fines with Hydrogen Gas: Mechanism and Kinetic Analysis
Studies on the Reduction Behavior of Iron Oxide Pellet Fines with Hydrogen Gas: Mechanism and Kinetic Analysis Open
The present study contributes to the current worldwide activities aiming to replace fossil carbon in steel making processes with hydrogen causing considerable reduction of greenhouse gas emissions. Compacts prepared from iron oxide pellets…
View article: Reduction Behavior and Characteristics of Metal Oxides in the Nanoscale
Reduction Behavior and Characteristics of Metal Oxides in the Nanoscale Open
The development of nanomaterials and nanotechnology enables the production of nanosized metallic alloys with advanced characteristics from their oxides via a thermal reduction technique. The aim of the present work was to produce metallic …
View article: Comparative Study on the Isothermal Reduction Kinetics of Iron Oxide Pellet Fines with Carbon-Bearing Materials
Comparative Study on the Isothermal Reduction Kinetics of Iron Oxide Pellet Fines with Carbon-Bearing Materials Open
The isothermal reduction of iron oxide pellet fines–carbon composites was investigated at temperatures of 900–1100 °C. The reduction reactions were monitored using the thermogravimetric (TG) technique. Alternatively, a Quadruple Mass Spect…
View article: Photoelectrochemical Enhancement of Graphene@WS2 Nanosheets for Water Splitting Reaction
Photoelectrochemical Enhancement of Graphene@WS2 Nanosheets for Water Splitting Reaction Open
Tungsten disulfide nanosheets were successfully prepared by one-step chemical vapor deposition using tungsten oxide and thiourea in an inert gas environment. The size of the obtained nanosheets was subsequently reduced down to below 20 nm …
View article: (Rose Bengal)/(Eosin Yellow)-Gold-Polypyrrole Hybrids: A Design for Dual Photo-Active Nano-System with Ultra-High Loading Capacity
(Rose Bengal)/(Eosin Yellow)-Gold-Polypyrrole Hybrids: A Design for Dual Photo-Active Nano-System with Ultra-High Loading Capacity Open
Abdullah I El-Kholy,1 Doaa Abdel Fadeel,1 Maha Nasr,2 Ibrahim El-Sherbiny,3 Maha Fadel1 1Department of Medical Applications of Laser, Pharmaceutical Nano-Technology Unit, National Institute of Laser Enhanced Sciences (NILES), Cairo Univers…
View article: ANALYSIS OF THE EXTERNAL DEMAND FOR EGYPTIAN ORANGE EXPORTS USING ALMOST IDEAL DEMAND SYSTEM
ANALYSIS OF THE EXTERNAL DEMAND FOR EGYPTIAN ORANGE EXPORTS USING ALMOST IDEAL DEMAND SYSTEM Open
The agricultural foreign trade sector is one of the most important sectors that have a direct impact on the economic development programs. Oranges occupy the first place among Egyptian citrus varieties, with Egyptian production of about 3.…
View article: Reduction Behavior of Low Grade Iron Ore at Reducing Conditions Simulating Different Zones of Blast Furnace
Reduction Behavior of Low Grade Iron Ore at Reducing Conditions Simulating Different Zones of Blast Furnace Open
Representative technological samples for Baharia iron ore are collected from El-Gedida iron ore mines at the western desert of Egypt. Baharia iron ore was fired at 1000ºC for 3 hours, then the green and fired samples was isothermally reduc…
View article: Reduction Characteristics of High Phosphorus Iron Ore in Reducing Parameters Similar to Blast Furnace Conditions
Reduction Characteristics of High Phosphorus Iron Ore in Reducing Parameters Similar to Blast Furnace Conditions Open
The strong global demand for iron and steel has necessitated the utilization of various low grade iron ores, which are not suitable for direct utilization in ironmaking processes. The low grade iron ores cannot be dressed effectively using…
View article: Preparation and Characterization of Al Matrix Composites Reinforced with (20-x) wt.-% Al2O3 - (x) ZrO2
Preparation and Characterization of Al Matrix Composites Reinforced with (20-x) wt.-% Al2O3 - (x) ZrO2 Open
Metal matrix nanocomposites composed of wt.-% Al 2 O 3 -(x) ZrO 2 , x=0, 1, 2 & 4, were prepared by mechanical alloying technique.The powders' mixture was milled in a planetary ball mill up to 7h.The effect of milling time on properties of…