Sharif Digital Repository

The effect of current density on microstructural homogeneity, hardness, fracture toughness and electrochemical behavior of electrodeposited Cu-0.5Co/WC nano-composite coating

Author

Khaleghpanah, Sh.

Pub. Year

2017

Subjects

Electrodeposition. / Resistance. / Carbides. / Cobalt alloys. / Copper alloys. / Corrosion resistance. / Current density. / Electric resistance. / Electrodes. / Electrolytes. / Microhardness. / Nanocomposites. / Particle size. / Sodium dodecyl sulfate. / Sodium sulfate. / Sulfur compounds. / Tungsten. / Tungsten carbide. / Electrochemical behaviors. / Electrodeposition methods. / Electrodeposition process. / Microhardness measurement. / Microstructural homogeneity. / Nano-composite coating. / Tungsten carbide particles. / Composite coatings. / Copper. / Corrosion. / Electrical conductivity. / Electrochemical method. / Electrode. / Electrolyte. / Fracture toughness. / Hardness. / Homogeneity. / Microstructure. / Surfactant.

Biomimetic apatite layer formation on a novel citrate starch scaffold suitable for bone tissue engineering applications

Author

Nourmohammadi, J.

Publisher

Wiley-VCH Verlag,

Pub. Year

2016

Subjects

Citrate starch. / Scaffold. / Apatite. / Bioactivity. / Biocompatibility. / Biomimetic processes. / Biomimetics. / Bone. / Cells. / Cytology. / Fourier transform infrared spectroscopy. / Hydrogels. / Nucleation. / Phosphate minerals. / Scaffolds. / Starch. / Tissue. / Tissue engineering. / X ray diffraction. / Apatite deposition. / Apatitic calcium phosphates. / Biomimetic method. / Bone tissue engineering. / Fabricated structures. / Fourier transform infrared. / Heterogeneous nucleation. / Simulated body fluids. / Scaffolds (biology)

On the formation of SWCNTs and MWCNTs by Arc-discharge in aqueous solutions: the role of iron charge and counter ions [electronic resource] / S. Gheytani, Sh. Shervin and A. Simchi.

Author

Gheytani, S.

Subjects

Carbon nanotubes. / Arc discharge. / Iron charge catalysts. / chloride ions.

Information resource management maturity model

Author

Afshari, H.

Pub. Year

2009

Subjects

Area of interest. / Basic principles. / Best practice. / Corporate resources. / Information resource management. / Information resource management (IRM) / Information resource management maturity model (IRM3) / Information structures. / Knowledge areas. / Maturity model. / Specific knowledge. / Knowledge management. / Mixer circuits. / Natural resources management. / Resource allocation. / Societies and institutions. / Information science.

Development of a new mechanism to change velocity in a helical swimmer robot at low Reynolds number

Author

Sayyaadi, H.

Publisher

Sharif University of Technology,

Pub. Year

2018

Subjects

Biomimetic helical swimmer. / Double Helices Propulsion Mechanisms (DHPM) / Shape Memory Alloy (SMA) / SMA helix (inner helix) / Variable forward velocity. / Biomimetics. / Geometry. / Propulsion. / Reynolds number. / Robots. / Shape memory effect. / Forward velocity. / Propulsion mechanisms. / Propulsive helix (outer helix) / Shape memory alloys(SMA) / Velocity.

A method for ranking non-extreme efficient DMUs

Author

Zahedi Seresht, M.

Pub. Year

2014

Subjects

Data envelopment analysis. / Manufacture. / Decision making unit. / Non-extreme efficient unit. / Public agencies. / Ranking. / Ranking system. / Reference set. / Research issues. / Decision making.

A polynomial time branch and bound algorithm for the single item economic lot sizing problem with all units discount and resale [electronic resource] / S. H. Mirmohammadi, Sh. Shadrokh , Kourosh Eshghi.

Author

Mirmohammadi, S. H. (S. Hamid).

Subjects

Branch and bound. / Purchasing. / All-units discount. / Resale. / Complexity theory. / Graph theory.

Effect of pulse current parameters on the mechanical and corrosion properties of anodized nanoporous aluminum coatings

Author

Mohammadi, I.

Publisher

Elsevier Ltd,

Pub. Year

2016

Subjects

Pulse current. / Aluminum. / Aluminum coatings. / Anodic oxidation. / Coatings. / Corrosion. / Corrosion resistance. / Corrosive effects. / Current density. / Electrochemical impedance spectroscopy. / Enamels. / Field emission microscopes. / Hardness. / Mechanical properties. / Polarization. / Scanning electron microscopy. / Corrosion behavior. / Designed experiments. / Electrochemical test. / Field emission scanning electron microscopy. / Hardness measurement. / Mechanical and corrosion properties. / Polarization resistances. / Analysis of variance (ANOVA)

Projection matrix by orthogonal vanishing points

Author

Fotouhi, M.

Publisher

Springer New York LLC

Pub. Year

2016

Subjects

Calibration. / Cameras. / Computer vision. / Data handling. / Linear transformations. / Nonlinear programming. / Camera calibration. / Closed form solutions. / Intrinsic and extrinsic camera parameters. / Non-linear optimization. / Orthogonal vanishing points. / Perspective transformation. / Projection matrix. / Vanishing point. / Matrix algebra.

Alginate-based biodegradable superabsorbents as candidates for diclofenac sodium delivery systems

Author

Pourjavadi, A.

Pub. Year

2010

Subjects

Polysaccharide. / Control release. / Controlled release. / Crosslinked. / Delivery systems. / Diclofenac sodium. / Drug content. / Drug delivery system. / Fourier transform infrared. / FTIR. / Gastric fluids. / Intestinal fluid. / Polyacry lamide. / Radical polymerization. / Release profiles. / Sodium alginates. / Sulfonic acid. / Super absorbent. / Superabsorbent polymer. / Superabsorbents. / Butane. / Crosslinking. / Drug delivery. / Fourier transforms. / Free radicals. / Hydrogels. / Polymers. / Sodium. / Free radical polymerization.

Synthesis and properties of biodegradable hydrogels of κ-carrageenan grafted acrylic acid-co-2-acrylamido-2-methylpropanesulfonic acid as candidates for drug delivery systems

Author

Pourjavadi, A.

Pub. Year

2007

Subjects

Biodegradable polymers. / Grafting (chemical) / pH effects. / Swelling. / Ammonium persulfate (APS) / Polyacrylic acid. / Superabsorbent. / Weight ratio. / Hydrogels.

Sharp edge gust effects on aeroelastic behavior of a flexible wing with high aspect ratio

Author

Haddadpour, H.

Pub. Year

2005

Subjects

Aeroelastic response. / Flexible wing. / Gust effect. / Atmospheric turbulence. / Flight dynamics. / Flutter (aerodynamics) / Oscillations. / Wind effects. / Wings. / Aerodynamics.

Modeling of pain using artificial neural networks

Author

Haeri, M.

Publisher

Academic Press,

Pub. Year

2003

MBA-crosslinked Na-Alg/CMC as a smart full-polysaccharide superabsorbent hydrogels

Author

Pourjavadi, A.

Pub. Year

2006

Subjects

Absorption. / Crosslinking. / Hydrogels. / Initiators (chemical) / Polysaccharides. / Sodium compounds. / Carboxymethylcellulose. / PH-responsivity. / Sodium alginates. / Swelling kinetics. / Cellulose. / Catalysts. / Hydrogen. / Superabsorbents.

An accurate FIR approximation of ideal fractional delay filter with complex coefficients in Hilbert space

Author

Rizvandi, N. B.

Pub. Year

2005

Subjects

FIR filters. / Least squares approximations. / Product design. / Transfer functions. / Complex coefficients. / Fractional delay. / Hilbert space. / Least square method. / Very small delay. / Delay circuits.

A qualitative investigation of career orientations of a sample of Iranian software engineers

Author

Alavi, S. B.

Pub. Year

2012

Subjects

Career orientation. / Career Anchors. / Expectancy theory. / External factors. / Hybrid orientation. / National level. / Project-based. / Qualitative study. / Software engineers. / Thematic analysis. / Engineers. / Professional aspects. / Entrepreneur. / Hybrid. / Orientation. / Qualitative analysis. / Sampling. / Software. / Thematic mapping. / Iran.

The genetic algorithm approach for shape optimization of powder compaction processes considering contact friction and cap plasticity models

Author

Khoei, A. R.

Pub. Year

2010

Subjects

Material deforming processes. / Powders. / Production processes. / Cap plasticity model. / Component based. / Contact friction. / Design variables. / Design/methodology/approach. / Finite element formulations. / Forming process. / Frictional contact. / Genetic algorithm approach. / Lagrangian. / Large deformations. / Nodal coordinates. / Numerical example. / Numerical modeling. / Numerical simulation. / Optimization algorithms. / Plasticity theory. / Powder behavior. / Powder compactions. / Powder deformation. / Production process. / Sliding resistance. / Tool interface. / Compaction. / Computer simulation. / Deformation. / Friction. / Genetic algorithms. / Plasticity. / Production engineering. / Tribology. / Shape optimization.

A rail noise prediction model for the Tehran-Karaj commuter train

Author

Nassiri, P.

Pub. Year

2007

Subjects

Algorithms. / Diesel locomotives. / Mathematical models. / Noise abatement. / Rails. / Regression analysis. / Commuter train. / Rail noise prediction model. / Reference distance. / Speed correction coefficients. / Acoustic noise.

Modeling of large deformation frictional contact in powder compaction processes

Author

Khoei, A. R.

Pub. Year

2008

Subjects

Deformation. / Finite element method. / Coulomb friction law. / Frictional contact. / Relative density distribution. / Sliding resistance. / Compaction. / Friction. / Mathematical models. / Plasticity. / Powder metals.