Sharif Digital Repository

On the formation of intermetallics during the furnace brazing of pure titanium to 304 stainless steel using Ag (30-50%)-Cu filler metals

Author

Shafiei, A.

Pub. Year

2010

Subjects

304 stainless steel. / Brazed joint. / Brazing conditions. / Brazing parameters. / Brazing process. / Cooling cycle. / Furnace brazing. / Interfaces. / Intermetallic phasis. / Mechanical tests. / Microstructural observations. / Strength. / Brazing. / Corrosion resistant alloys. / Filler metals. / Fillers. / Intermetallics. / Microstructure. / Phase interfaces. / Shear strength. / Silver. / Titanium. / Stainless steel.

Extract Non-Line-of-Sight state of base stations and error mitigation technique for wireless localization in micro-cell networks

Author

Dehghani, H. L.

Pub. Year

2012

Subjects

Cellular networks. / Cellular network. / Mean location error. / NLOS. / TOA. / Wireless localization. / Algorithms. / Base stations. / Cellular neural networks. / Errors. / Tracking (position)

Non-line-of-sight error mitigation technique for wireless localization in micro-cell networks

Author

Dehghani, H. L.

Pub. Year

2011

Subjects

Cellular networks. / Cellular network. / Correction algorithms. / Error mitigation. / Metropolitan area. / Micro cell. / Network-based. / NLOS. / NLOS error. / Non-line-of-sight. / Non-line-of-sight propagation. / Novel algorithm. / Wireless localization. / Wireless localization systems. / Algorithms. / Cellular neural networks. / Errors. / Metropolitan area networks. / Wireless networks.

Modeling the microstructural evolution and effect of cooling rate on the nanograins formed during the friction stir processing of Al5083

Author

Yazdipour, A.

Pub. Year

2009

Subjects

Al5083. / Cooling rate. / Friction stir processing. / Stirred zone grain size. / Analytical model. / Dynamic recovery. / Grain size. / Nano grains. / New mechanisms. / Rapid cooling. / Rotational speed. / Simulation result. / Traverse speed. / Friction. / Grain size and shape. / Mechanical properties. / Microstructural evolution. / Refining. / Simulators. / Tribology. / Cooling.

All-optical multi-wavelength-channel ReLU activation function

Author

Dehghani, M. M.

Pub. Year

2024

Subjects

CMOS integrated circuits. / Deep neural networks. / Multilayer neural networks. / Optical multilayers. / Optical signal processing. / Activation functions. / All optical. / Linear units. / Low power. / Low-high. / Multiwavelength. / Nonlinear activation functions. / Optical circuits. / Optical neural networks. / Wavelength channels. / Artificial intelligence software. / Bandwidth. / Controlled study. / Middle aged. / Multiclass classification. / Nerve cell network. / Nonlinear system. / Optical instrumentation. / Optics. / Simulation. / Therapy. / Velocity. / Neurons.

Evaluation of dissimilar welds of 5083-H12 and 6061-T6 produced by friction stir welding

Author

Ghaffarpour, M.

Pub. Year

2013

Subjects

Dissimilar aluminum alloy. / Dissimilar weld. / Effective parameters. / Friction stir. / Friction stir welding(FSW) / Optimized parameter. / Response surface methodology. / Tensile tests. / Design of experiments. / Heat affected zone. / Optimization. / Tensile strength. / Tensile testing. / Friction stir welding.

Producing ultrafine-grained aluminum rods by cyclic forward-backward extrusion: Study the microstructures and mechanical properties

Author

Alihosseini, H.

Pub. Year

2012

Subjects

TEM. / Ultrafine grained rods. / Aluminum rods. / Average grain size. / EBSD. / Electron back scatter diffraction. / Elongation to break. / Microstructures and mechanical properties. / Severe plastic deformations. / Transmission electron microscopy (TEM) / Ultrafine-grained. / Aluminum. / Grain refinement. / Grain size and shape. / Mechanical properties. / Plastic deformation. / Aluminum alloys.

On understanding the relation of knowledge and confidence to requirements quality

Author

Dehghani, R.

Publisher

Springer Science and Business Media Deutschland GmbH,

Pub. Year

2021

Subjects

Computer software selection and evaluation. / Engineers. / Knowledge based systems. / Assessing knowledge. / Knowledge based. / Low qualities. / Software requirements. / Software requirements specifications. / Requirements engineering.

Real time simulation of grasping procedure of large internal organs during laparoscopic surgery

Author

Dehghani Ashkezari, H.

Pub. Year

2012

Subjects

Biological model. / Equipment. / Methodology. / Algorithms. / Computer Simulation. / Humans. / Laparoscopy. / Models, Biological. / Spleen.

Real time simulation of grasping procedure of large internal organs during laparoscopic surgery

Author

Dehghani Ashkezari, H.

Pub. Year

2012

Subjects

Coefficients of friction. / Collision detection algorithm. / Contact forces. / Contact points. / Internal organs. / Laparoscopic surgery. / Large deformations. / Mass-Spring-Damper Models. / Nonlinear visco-elastic. / Pull force. / Real time. / Real time simulations. / Spleen tissues. / Stress relaxation behavior. / Surgical procedures. / Surgical simulation systems. / Tangential components. / Training process. / Deformation. / Laparoscopy. / Transients. / Virtual reality. / Tissue.

A 2.5GHz CMOS fully-integrated ΔΣ-controlled fractional-N frequency synthesizer

Author

Dehghani, R.

Pub. Year

2004

Photocatalytic degradation of vancomycin using titanium dioxide and optimization by central composite design

Author

Dehghani, F.

Publisher

Springer Science and Business Media Deutschland GmbH,

Pub. Year

2022

Subjects

Advanced oxidation process. / Antibiotic. / Aqueous solution. / Photocatalysis. / Removal efficiency. / Response surface methodology. / Catalysts. / Design of experiments. / Efficiency. / Irradiation. / Linear regression. / Photocatalytic activity. / Photodegradation. / Scanning electron microscopy. / Surface properties. / Wastewater treatment. / Advanced Oxidation Processes. / Central composite designs. / Optimisations. / Photocatalytic degradation. / Removal efficiencies. / Response-surface methodology. / Synthesised. / Vancomycin. / Wastewater treatment process. / ]+ catalyst. / Titanium dioxide. / Antibiotics. / Composite. / Degradation. / Optimization.

Vancomycin removal using TiO2–clinoptilolite/UV in aqueous media and optimisation using response surface methodology

Author

Dehghani, F.

Publisher

Taylor and Francis Ltd,

Pub. Year

2022

Subjects

central composite design. / clinoptilolite. / Antibiotics. / Degradation. / Groundwater. / High performance liquid chromatography. / Organic carbon. / Photocatalytic activity. / Potable water. / Surface properties. / Surface waters. / Wastewater treatment. / Zeolites. / Antibiotic degradation. / Aqueous media. / Central composite designs. / Clinoptilolites. / Independent variables. / Optimal conditions. / Optimisations. / Reactor volume. / Response-surface methodology. / Vancomycin. / Titanium dioxide.

Vancomycin removal using TiO2–clinoptilolite/UV in aqueous media and optimisation using response surface methodology

Author

Dehghani, F.

Pub. Year

2024

Subjects

Central composite design. / Clinoptilolite. / Antibiotics. / Degradation. / Groundwater. / High performance liquid chromatography. / Organic carbon. / Photocatalytic activity. / Potable water. / Surface properties. / Surface waters. / Wastewater treatment. / Zeolites. / Antibiotic degradation. / Aqueous media. / Central composite designs. / Clinoptilolites. / Independent variables. / Optimal conditions. / Optimisations. / Reactor volume. / Response-surface methodology. / Vancomycin. / Titanium dioxide.

Methodologies for developing knowledge management systems: An evaluation framework

Author

Dehghani, R.

Publisher

Emerald Group Publishing Ltd,

Pub. Year

2015

Subjects

Criteria-based evaluation. / Evaluation framework. / Knowledge management. / Knowledge management system development methodology.

Cross-matching of OGLE III and GAIA catalogues: Investigation of dark-lens microlensing candidates

Author

Dehghani, A.

Publisher

World Scientific,

Pub. Year

2022

Subjects

Astrometry. / Black holes. / Gravitational lensing. / Micro. / Parallaxes. / Stars.

A knowledge management-driven and DevOps-based method for situational method engineering

Author

Dehghani, R.

Publisher

Springer,

Pub. Year

2023

Subjects

Developer experience management. / DevOps-based process. / Knowledge management-driven improvement. / Situational method engineering. / Software process engineering. / Software process knowledge.