Search Results - "Darwish, M.A."

Structural, electric and magnetic properties of (BaFe11.9Al0.1O19)1-x - (BaTiO3)x composites by Salem, M.M., Panina, L.V., Trukhanova, E.L., Darwish, M.A., Morchenko, A.T., Zubar, T.I., Trukhanov, S.V., Trukhanov, A.V.

“…This paper described to the ceramics (inorganic) two-component composites with controllable magnetic and electrical properties. Ceramic composite samples were…”
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Pecularities of the magnetic structure and microwave properties in Ba(Fe1-xScx)12O19 (x<0.1) hexaferrites by Trukhanov, A.V., Astapovich, K.A., Almessiere, M.A., Turchenko, V.A., Trukhanova, E.L., Korovushkin, V.V., Amirov, A.A., Darwish, M.A., Karpinsky, D.V., Vinnik, D.A., Klygach, D.S., Vakhitov, M.G., Zdorovets, M.V., Kozlovskiy, A.L., Trukhanov, S.V.

“…The peculiarities of the fine atomic and magnetic structure, magnetic properties and microwave characteristics under Sc-substitution were investigated in…”
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Features of crystal and magnetіc structure of the BaFe12-xGaxO19 (x ≤ 2) in the wіde temperature range by Trukhanov, A.V., Darwish, M.A., Panina, L.V., Morchenko, A.T., Kostishyn, V.G., Turchenko, V.A., Vinnik, D.A., Trukhanova, E.L., Astapovich, K.A., Kozlovskiy, A.L., Zdorovets, M., Trukhanov, S.V.

“…The gallium-doped pure barium hexaferrite (BaFe12-xGaxΟ19) with different concentration (x ≤ 2) was investigated by using neutron powder diffraction (NPD)…”
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Vendor managed inventory model for single-vendor multi-retailer supply chains by Darwish, M.A., Odah, O.M.

“…Vendor managed inventory is an integrated approach for retailer–vendor coordination, according to which the vendor decides on the appropriate inventory levels…”
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Economic selection of process mean for single-vendor single-buyer supply chain by Darwish, M.A.

“…Process mean selection for a container-filling process is an important decision in a single-vendor single-buyer supply chain. Since the process mean determines…”
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Preparation and investigation of dc conductivity and relative permeability of epoxy/Li–Ni–Zn ferrite composites by Darwish, M.A., Saafan, S.A., El- Kony, D., Salahuddin, N.A.

“…Ferrite nanoparticles – having the compositions Li(x/2)(Ni0.5Zn0.5)(1−x)Fe(2+x/2)O4 (x=0, 0.2, 0.3) – have been prepared by the co-precipitation method. The…”
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Service level enhancement in newsvendor model by Aldaihani, Majid M., Darwish, M.A.

“…•This paper considers a decision rule for newsvendor model with emergency order.•The model involves service level revision during the consumption period of the…”
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PV and CSP solar technologies & desalination: economic analysis by Darwish, M.A., Abdulrahim, H.K., Hassan, A.S., Mabrouk, A.A.

“…This paper presents an overview of using solar energy in running desalination systems, called solar desalination. Solar energy can be converted directly to…”
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Synthesis and investigation of structural, thermal, magnetic, and dielectric properties of multifunctional epoxy/Li0.5Al0.35Fe2.15O4/Al2O3 nanocomposites by Abosheiasha, H.F., Mansour, Diaa-Eldin A., Darwish, M.A., Assar, S.T.

“…Until recently, multifunctional epoxy nanocomposites (MENCs) have attracted the attention of many researchers due to their properties which can be tuned for…”
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EPQ models with varying setup cost by Darwish, M.A.

“…In this paper, the classical economic production quantity (EPQ) model is generalized by considering a relationship between the setup cost and the production…”
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The forward osmosis and desalination by Darwish, M.A., Abdulrahim, H.K., Hassan, A.S., Mabrouk, A.A., Sharif, A.O.

“…Forward osmosis (FO) has emerged as a method for desalting saline water and power production. It utilizes a chemical potential difference, or a salinity…”
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Towards sustainable seawater desalting in the Gulf area by Darwish, M.A., Al-Najem, N.M., Lior, N.

“…Gulf countries experienced rapid growth in the last four decades from oil production and its price increase. Natural water resources are very limited to meet…”
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Effect of inspection errors and preventive maintenance on a two-stage production inventory system by Darwish, M.A., Ben-Daya, M.

“…The effect of imperfect production processes on lot-sizing decisions has received a lot of attention in the literature. These efforts have mostly been confined…”
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Technical comparison between TVC/MEB and MSF by Darwish, M.A., Alsairafi, Ammar

“…Recently, large numbers of high capacity TVC/MEB (multi-effect thermal vapor compression combined withconventinalmulti effect boiling) desalting units have…”
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Optimal workday length considering worker fatigue and employer profit by Darwish, M.A.

“…•The workday length is neither the larger-the-better nor the smaller-the-better.•The 8-hour workday standard is about a century old and needs revision.•The…”
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A mathematical model for the joint determination of optimal process and sampling plan parameters by Darwish, M.A, Duffuaa, S.O

“…Purpose - The purpose of this paper is to integrate the decisions regarding optimal process mean and the parameters of a sampling plan.Design methodology…”
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Co-generation power desalting plants: new outlook with gas turbines by Darwish, M.A., A1 Najem, Najem

“…Kuwait is using only MSF desalting system coupled to steam turbines to desalt seawater. There is shortage in desalting capacity, and 180 MIGD desalting units…”
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New idea for co-generation power desalting plants due to abandoned MSF desalination process by Darwish, M.A.

“…In Gulf countries, most power plants are co-generation power desalting plants (CPDP) producing electric power and process heat for MSF seawater desalting…”
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Thermovapor compression desalters: energy and availability — Analysis of single- and multi-effect systems by Al-Najem, Najem M., Darwish, M.A., Youssef, F.A.

“…Sidem (France) has made some recent advancements in thermal vapor compression (TVC) systems [1,2] by installing four units, each having four effects, 1 migd in…”
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Correlation of structural and optical properties in as-prepared and annealed Bi2Se3 thin films by Adam, A.M., Lilov, E., Ibrahim, E.M.M., Petkov, P., Panina, L.V., Darwish, M.A.

“…Bi2Se3 bulk alloys were synthesized using a standard mono-temperature melting process and used as source materials to deposit thin films on non-conductive…”
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