Sharif Digital Repository

A new colloidal technique for the synthesis of lead sulfide nanoparticles

Author

Askari, M.

Publisher

Sharif University of Technology,

Pub. Year

2003

Subjects

Colloid. / Sulfide. / Nanoparticle. / Lead.

Desulfurization of high sulfur petroleum coke by molten caustic leaching

Author

Askari, H.

Publisher

Egyptian Petroleum Research Institute,

Pub. Year

2019

Subjects

Desulfurization. / Molten caustic leaching. / Petroleum coke. / Potassium hydroxide. / Taguchi L9 design.

Carbon-Pt nanoparticles modified TiO 2 nanotubes for simultaneous detection of dopamine and uric acid

Author

Mahshid, S.

Pub. Year

2011

Subjects

Biosensor. / Carbon. / Pt nanoparticles. / TiO 2. / Anodizing methods. / Ascorbic acids. / Differential pulse voltammetry. / High sensitivity. / Limit of detection. / Modified electrodes. / Oxidation peak. / Phosphate buffer solutions. / Sensing applications. / Signal to noise. / Simultaneous detection. / TiO. / Tube furnaces. / Uric acids. / Biosensors. / Ketones. / Nanoparticles. / Nanotubes. / Organic acids. / Oxidation. / Polyethylene glycols. / Tubes (components) / Voltammetry. / Neurophysiology. / Metal nanoparticle. / Titanium. / Titanium dioxide. / Uric acid. / Chemistry. / Oxidation reduction reaction. / Scanning electron microscopy. / Carbon. / Dopamine. / Electrochemistry. / Metal nanoparticles. / Microscopy, electron, scanning. / Oxidation-reduction. / Platinum.

Identification of flow units using methods of testerman statistical zonation, flow zone index, and cluster analysis in tabnaak gas field

Author

Mahjour, S. K.

Publisher

Springer Verlag

Pub. Year

2016

Subjects

Permeability. / Cluster analysis. / Fluid dynamics. / Gas industry. / Mechanical permeability. / Natural gas fields. / Petroleum reservoir engineering. / Plastic flow. / Porosity. / Flow behaviors. / Flow unit. / Flow zone index. / Gas fields. / In-field. / Testerman statistical zonation. / Flow of fluids.

Size influence of specimens and maximum aggregate on dam concrete: compressive strength

Author

Khaloo, A. R.

Pub. Year

2009

Subjects

Aggregates. / Concrete. / Compressive strength of concrete. / Cylindrical specimens. / Dam concrete. / Laboratory experiments. / Mass concrete. / Maximum aggregate sizes. / Size and shape. / Size effect. / Size effects. / Test results. / Concrete aggregates. / Concretes. / Dams. / Size determination. / Compressive strength. / Aggregate size. / Dam. / Experimental study. / Shape.

Sensitive determination of dopamine in the presence of uric acid and ascorbic acid using TiO2 nanotubes modified with Pd, Pt and Au nanoparticles

Author

Mahshid, S.

Pub. Year

2011

Subjects

Metal. / Metal nanoparticle. / Nanotube. / Chemistry. / Electrochemical analysis. / Electrode. / Human. / Methodology. / Oxidation reduction reaction. / PH. / Urine. / Ascorbic Acid. / Dopamine. / Electrochemical Techniques. / Electrodes. / Gold. / Humans. / Hydrogen-Ion Concentration. / Metal Nanoparticles. / Metals. / Nanotubes. / Oxidation-Reduction. / Palladium. / Titanium. / Uric acid.

Lean partially premixed combustion investigation of methane direct-injection under different characteristic parameters

Author

Askari, O.

Pub. Year

2014

Subjects

Methane direct injection. / Partially premixed combustion. / Combustion chambers. / Direct injection. / Hydrogen. / Methane. / Nitrogen oxides. / Combustion characteristics. / Combustion instabilities. / Constant volume combustion chambers. / Maximum rate of pressure rise. / Schlieren/Shadowgraph. / Simulated diluent. / Transparent chamber. / Combustion.

Fundamental study of spray and partially premixed combustion of methane/air mixture

Author

Askari, O.

Pub. Year

2012

Subjects

Spray development. / Direct injection. / Partially premixed combustion. / Spray development. / Stratified mixture. / Complementary metal oxide semiconductors. / Compressed natural gasses (CNG) / Constant volume combustion chambers. / Fuel-air equivalence ratio. / Homogeneous mixture combustion. / Partially premixed combustion. / Methane. / Stratified mixtures. / Air. / Combustion chambers. / Electric sparks. / Fuels. / Internal combustion engines. / Methane. / Mixtures. / Turbulence. / Direct injection.

Lean partially premixed combustion investigation of methane direct-injection under different characteristic parameters

Author

Askari, O.

Publisher

American Society of Mechanical Engineers (ASME),

Pub. Year

2013

Subjects

Methane direct injection. / Partially premixed combustion. / Schlieren/shadowgraph. / Transparent chamber. / Combustion chambers. / Direct injection. / Hydrogen. / Internal combustion engines. / Methane. / Nitrogen oxides. / EGR. / Nox. / Combustion.

Sol-gel synthesis of Mn1.5Co1.5O4 spinel nano powders for coating applications

Author

Hashemi, S. T.

Publisher

Elsevier Ltd,

Pub. Year

2018

Subjects

Chelating agent ratio. / Nano powder. / Solid oxide fuel cell. / Chelation. / Coatings. / Crystalline materials. / Fuel cells. / High resolution transmission electron microscopy. / Manganese. / Nanocrystalline powders. / Nanocrystals. / Particle size analysis. / Phase structure. / Powder metals. / Powders. / Protective coatings. / Sol-gel process. / Sol-gels. / Stainless steel. / Thermogravimetric analysis. / Transmission electron microscopy. / X ray diffraction. / Chelating agent. / Crystalline phase structures. / Electronic conductivity. / Increasing temperatures. / Nano powders. / Planar solid oxide fuel cells. / Selected area diffraction patterns. / SOFC interconnect applications. / Solid oxide fuel cells (SOFC)

Coronavirus diagnosis using cough sounds: Artificial intelligence approaches

Author

Askari Nasab, K.

Publisher

Frontiers Media S.A,

Pub. Year

2023

Subjects

Artificial intelligence. / Coronavirus. / Cough. / Deep learning. / Machine learning. / Respiratory sounds.

Synthesis of cellulose acetate/chitosan/SWCNT/Fe3O4/TiO2 composite nanofibers for the removal of Cr(VI), As(V), Methylene blue and Congo red from aqueous solutions

Author

ZabihiSahebi, A.

Publisher

Elsevier B.V,

Pub. Year

2019

Subjects

Cellulose acetate. / Photocatalyst. / SWCNT/Fe3O4/TiO2. / Adsorbent. / Azo dye. / Iron oxide. / Nanocomposite. / Single walled nanotube. / Titanium dioxide. / Carbon nanotube. / Chromium hexavalent ion. / Ferric ion. / Ferric oxide. / Nanofiber. / Aqueous solution. / Article. / Catalyst. / Chemical parameters. / Concentration (parameter) / Contact time. / Desorption. / Fourier transform infrared spectroscopy. / PH. / Photocatalysis. / Scanning electron microscopy. / Synthesis. / Thermogravimetry. / Transmission electron microscopy. / Waste component removal. / X ray diffraction. / Chemistry. / Isolation and purification. / Solution and solubility. / Ultrastructure. / Water pollutant. / Adsorption. / Arsenic. / Catalysis. / Cellulose. / Chitosan. / Chromium. / Congo Red. / Ferric Compounds. / Kinetics. / Methylene Blue. / Nanofibers. / Nanotubes, Carbon. / Regression Analysis. / Solutions. / Thermogravimetry. / Titanium. / Water Pollutants, Chemical.

Fabrication of novel chitosan-g-PNVCL/ZIF-8 composite nanofibers for adsorption of Cr(VI), As(V) and phenol in a single and ternary systems

Author

Bahmani, E.

Publisher

Elsevier Ltd,

Pub. Year

2019

Subjects

Chitosan-g-PNVCL. / Ternary system. / Adsorption. / Chemicals removal (water treatment) / Chitosan. / Crystalline materials. / Heavy metals. / Metal ions. / Metal nanoparticles. / Nanofibers. / Organic pollutants. / Organometallics. / Phenols. / Reusability. / Ternary systems. / Water pollution. / Adsorption capacities. / Central composite designs. / Composite nanofibers. / Electrospinning method. / Initial concentration. / Metal organic framework. / Sorption-desorption cycles. / ZIF-8 MOF. / Chromium compounds.

Performance of polypropylene fiber reinforced concrete-filled UPVC tube columns under axial compression

Author

Mohammad Askari, S.

Publisher

Elsevier Ltd,

Pub. Year

2020

Subjects

Analytical model. / Column strength. / Concrete-filled UPVC tube. / Confinement. / PP fiber reinforcement. / Analytical models. / Axial compression. / Compressive strength. / Concrete mixtures. / Ductility. / Fiber reinforced materials. / Fibers. / Filled polymers. / Plasma confinement. / Polypropylenes. / Polyvinyl chlorides. / Regression analysis. / Reinforced plastics. / Tubes (components) / Volume fraction. / Yield stress. / Column strengths. / Composite column. / Concrete compressive strength. / Concrete-filled. / Confinement effectiveness. / Polypropylene fiber reinforced concrete. / PP fiber. / Ultimate load-bearing capacity. / Reinforced concrete.

Efficient carrier utilization induced by conductive polypyrrole additives in organic-inorganic halide perovskite solar cells

Author

Zarenezhad, H.

Publisher

Elsevier Ltd,

Pub. Year

2020

Subjects

Conductive polymer additive. / Efficiency. / Halide perovskite solar cells. / Morphology. / Polypyrrole. / Additives. / Carrier mobility. / Conducting polymers. / Electronic structure. / Extraction. / Lead compounds. / Organic solar cells. / Perovskite. / Polypyrroles. / Solar power generation. / Conductive channels. / Conductive Polymer. / Organic-inorganic. / Perovskite layers. / Polypyrrole (PPy) / Power conversion efficiencies. / Two step depositions. / Perovskite solar cells. / Additive. / Crystallization. / Energy efficiency. / Extraction method. / Halide. / Induced polarization. / Inorganic compound. / Organic compound. / Polymer.

Experimental and numerical investigation on the performance of GFRP-confined expansive concrete-filled unplasticized polyvinyl chloride tubes

Author

Khaloo, A.

Publisher

Sage Journal,

Pub. Year

2024

Subjects

Composite columns. / Concrete-filled UPVC tube. / Confinement. / Expansive materials. / Finite element analysis. / GFRP wraps. / ABAQUS. / Aspect ratio.

Two-and three-dimensional numerical simulations of supersonic ramped inlet

Author

Askari, R.

Publisher

Sharif University of Technology,

Pub. Year

2018

Subjects

External compression. / Numerical simulation. / Structural grid. / Aerodynamics. / Atmospheric thermodynamics. / Boundary layers. / Computer simulation. / Pressure distribution. / Turbulence models. / Aerodynamic interface planes. / Ramped inlet. / Shock-boundary layer interactions. / Static pressure distributions. / Structural grids. / Supersonic. / Three dimensional (3D) numerical simulation. / Three-dimensional numerical simulations. / Numerical models. / Comparative study. / Compression. / Numerical model. / Pressure field. / Simulation. / Turbulence. / ultrasonics.