Sharif Digital Repository

Enhanced hardness and corrosion resistance of Zn/SiO2 films by electrodeposition

Author

Ghorbani, M.

Publisher

Electrochemical Society Inc,

Pub. Year

2015

Subjects

Cationic surfactants. / Coatings. / Corrosion. / Corrosion resistance. / Cyclic voltammetry. / Electrodeposition. / Electrodes. / Electrolytes. / Ethanol. / Ethanolamines. / Hardness. / Nanocomposites. / Thickness measurement. / Triethanolamine. / Zinc. / Zinc coatings. / Amorphous structures. / Cetyltrimethylammonium bromide. / Coating morphology. / Coating thickness. / Corrosion property. / Dispersing agent. / Enhanced hardness. / Nano-composite coating. / Grain growth.

Sol–gel preparation and corrosion properties of Zn–SiO2 nanocomposite thin film

Author

Razavizadeh, O.

Publisher

Springer New York LLC

Pub. Year

2016

Subjects

FT-IR. / Coatings. / Corrosion. / Corrosion rate. / Corrosion resistance. / Galvanizing. / Nanocomposites. / Particle size. / Silica gel. / Sols. / Thin films. / Wear resistance. / Zinc. / Abrasion resistant coatings. / Amorphous structures. / Hot dip galvanized steels. / Linear polarization technique. / Nanocomposite thin films. / Nanoparticle sizes. / Novel nanocomposites. / Positive potential. / Nanocomposite films.

Surface modification of carbon steel by ZnO-graphene nano-hybrid thin film

Author

Razavizadeh, O.

Publisher

Elsevier B.V,

Pub. Year

2019

Subjects

Corrosion. / Graphene oxide. / Nano-hybrid. / Zinc. / Coated materials. / Corrosion rate. / Corrosion resistance. / Corrosion resistant coatings. / Diffusion coatings. / Energy dispersive spectroscopy. / Galvanic corrosion. / Galvanizing. / Graphene. / II-VI semiconductors. / Magnetic semiconductors. / Scanning electron microscopy. / Semiconducting zinc compounds. / Sodium chloride. / Substrates. / Surface treatment. / Thin films. / Wide band gap semiconductors. / Zinc. / Zinc coatings. / Zinc oxide. / Dip-coated thin films. / Energy dispersive spectroscopies (EDS) / Field emission scanning electron microscopes. / Fourier transform infra reds. / Mott-Schottky analysis. / Nano hybrids. / Reducing environment. / X-ray diffraction studies. / Steel corrosion.

Photo-Electrochemical application of ZnOG thin film for in situ monitoring of steel sour corrosion

Author

Razavizadeh, O.

Publisher

Pleiades Publishing,

Pub. Year

2020

Subjects

Graphene. / Photo-electrochemistry. / Wet H2S. / Electrodes. / Energy gap. / Gas industry. / II-VI semiconductors. / Monitoring. / Sulfur compounds. / Zinc alloys. / Zinc oxide. / Catastrophic failures. / Corrosion monitoring. / Electro-chemical monitoring method. / Electrochemical applications. / Electrochemical response. / Maintenance and inspections. / Monitoring technologies. / Oil and Gas Industry. / Steel corrosion.

Dynamic relay selection and resource allocation in cooperative networks based on OFDM

Author

Javidbakht, O.

Pub. Year

2011

Subjects

Optimization. / Orthogonal frequency division multiplexing. / Transmitters. / Amplify-and-forward. / Cooperative networks. / Direct links. / Optimization problems. / Relay selection. / Sub-carriers. / Subcarrier. / Resource allocation.

Effect of photoelectrochemical activity of ZnO-graphene thin film on the corrosion of carbon steel and 304 stainless steel

Author

Razavizadeh, O.

Publisher

Springer,

Pub. Year

2020

Subjects

Photoelectrochemical. / Austenitic stainless steel. / Corrosion. / Corrosion protection. / Crystal symmetry. / Electrochemistry. / Energy gap. / Graphene. / Graphene oxide. / II-VI semiconductors. / Morphology. / Sodium chloride. / Sodium sulfide. / Solution mining. / Steel corrosion. / Surface morphology. / Thin films. / Zinc. / Zinc oxide. / 304 stainless steel. / Electrochemical activities. / Photoactive properties. / photocathodic protection. / Photoelectrochemicals. / Photoinduced electrons. / Photoluminescence analysis. / Polarization tests. / Zinc alloys.

Simulating dynamic plastic continuous neural networks by finite elements

Author

Joghataie, A.

Pub. Year

2014

Subjects

Finite element. / Neural networks. / Numerical modeling. / Wave propagation. / Data processing. / Finite element method. / Numerical models. / Bilinear materials. / Continuous functions. / Continuous materials. / Continuous neural networks. / Dynamic phenomena. / Horizontal displacements. / Input and outputs. / Rectangular plates. / Neurons.

A Deep Learning Approach for Detecting Covid-19 Using the Chest X-Ray Images

Author

Sadeghi, F.

Publisher

Tech Science Press,

Pub. Year

2023

Subjects

Chest X-ray image processing. / Covid-19. / Evolutionary deep learning. / Artificial bee colony (ABC) algorithm. / Polymerase Chain Reaction (PCR) / Deep convolutional neural network (DCNN)

Vertically aligned ZnO@CdS nanorod heterostructures for visible light photoinactivation of bacteria

Author

Zirak, M.

Pub. Year

2014

Subjects

Antibacterial activity. / CdS. / Escherichia coli bacteria. / Hydrothermally synthesized. / Visible light. / Visible-light irradiation. / Water contact angle measurement. / ZnO. / Bacteria. / Heterojunctions. / Loading. / Nanoparticles. / Nanorods. / Photocatalysts. / Photoelectrons. / Synthesis (chemical) / X ray photoelectron spectroscopy. / Zinc oxide. / Cadmium sulfide.

Metallurgical and mechanical properties of underwater friction stir welds of Al7075 aluminum alloy

Author

Rouzbehani, R.

Publisher

Elsevier Ltd,

Pub. Year

2018

Subjects

Mechanical properties. / Microstructure. / Tool rotational speed. / Friction. / Friction stir welding. / Precipitates. / Speed. / Welds. / Average grain size. / Fracture surfaces. / Linear relationships. / Metallurgical and mechanical properties. / Rotational speed. / Travel speed. / Underwater environments. / Underwater friction stir welding. / Aluminum alloys.

Pre-threaded hole friction stir spot welding of AA2219/PP-C30S sheets

Author

Paidar, M.

Publisher

Elsevier Ltd,

Pub. Year

2019

Subjects

Aluminium alloy. / Fracture. / Friction stir spot welding. / Interlocking. / Mechanical properties. / Microstructure. / Polymer. / Adhesives. / Aluminum alloys. / Friction. / Polymers. / Polypropylenes. / Spot welding. / Tensile stress. / Adhesively bonded. / Interfacial cracks. / Mechanical interlocking. / Peak temperatures. / Polymer substrate. / Varying parameters. / Friction stir welding.

Flexible bactericidal graphene oxide–chitosan layers for stem cell proliferation [electronic resource] / M. Mazaheri, O. Akhavan and A. Simchi.

Author

Mazaheri, M.

Subjects

Graphene. / Chitosan. / Antibacterial nanocomposites. / Stem cells.

Superparamagnetic zinc ferrite spinel-graphene nanostructures for fast wastewater purification

Author

Meidanchi, A.

Pub. Year

2014

Subjects

External magnetic field. / Graphene oxides. / Hydrothermal reaction. / Lateral dimension. / Saturated magnetization. / Separation time. / Superparamagnetics. / Wastewater purification. / Azo dyes. / Dyes. / Graphene. / Magnetic fields. / Magnetic separation. / Nanoparticles. / Separation. / Superparamagnetism. / Zinc compounds. / Synthesis (chemical)

Visible light-induced photocatalytic reduction of graphene oxide by tungsten oxide thin films

Author

Choobtashani, M.

Pub. Year

2013

Subjects

Graphene oxide. / WO3 Photocatalyst. / XPS. / Better performance. / Chemical exfoliations. / Graphene oxides. / Photocatalytic reduction. / Reduction level. / Room temperature. / Tungsten oxide films. / Tungsten oxide thin films. / Atomic force microscopy. / Oxides. / Photoelectrons. / Platelets. / Sol-gel process. / Sol-gels. / Stoichiometry. / Thermal evaporation. / Thin films. / Titanium sheet. / Tungsten compounds. / X ray photoelectron spectroscopy. / Oxide films.

Ethylbenzene dehydrogenation to styrene over fresh and used commercial catalysts

Author

Baghalha, M.

Pub. Year

2011

Subjects

Conversion. / Potassium-promoted iron oxide catalyst. / Selectivity. / Used catalyst. / Coke deposition. / Commercial catalyst. / Constant temperature. / Ethylbenzene dehydrogenation. / Experimental conditions. / Fixed bed reactor. / Fresh catalysts. / Initial activity. / Iron oxide catalyst. / Pseudo-steady-state conditions. / Styrene plants. / Transient effect. / Yield of styrene. / Atmospheric pressure. / Catalyst deactivation. / Chemical reactors. / Dehydrogenation. / Ethylbenzene. / Iron oxides. / Potassium. / Reaction rates. / Ship conversion. / Styrene. / Catalyst selectivity.

Improving the photocatalytic activity of graphene oxide/ZnO nanorod films by UV irradiation

Author

Rokhsat, E.

Publisher

Elsevier,

Pub. Year

2016

Subjects

Graphene oxide. / Thin films. / ZnO nanostructures. / Aromatic compounds. / Degradation. / Graphene. / Irradiation. / Nanocomposite films. / Nanorods. / Nanostructures. / Photocatalysts. / Photodegradation. / Zinc oxide. / Graphene oxides. / Hybrid thin film. / Hydrothermally synthesized. / Low concentrations. / Photocatalytic activities. / Photocatalytic reduction. / Photoexcited electron-hole pairs.

Roles of surface coverage increase and re-peening on properties of AISI 1045 carbon steel in conventional and severe shot peening processes

Author

Maleki, E.

Publisher

Elsevier B.V,

Pub. Year

2018

Subjects

Almen intensity. / Coverage. / Mechanical properties. / Microstructure. / Shot peening. / Surface engineering.

Ultrahigh permeable C2N-inspired graphene nanomesh membranes versus highly strained c2n for reverse osmosis desalination

Author

Fakhraee, M.

Publisher

American Chemical Society,

Pub. Year

2019

Subjects

Carbon nitride. / Desalination. / Graphene. / Hydrogen bonds. / Molecular dynamics. / Molecules. / Quantum chemistry. / Reverse osmosis. / Tensile strain. / Barrier energy. / Electrostatic potential maps. / Highly strained. / Molecular dynamics simulations. / Orders of magnitude. / Reverse osmosis desalination. / Salt rejections. / Water molecule. / Osmosis membranes.