Sharif Digital Repository

Analyses of mass and heat transport interactions in a direct methanol fuel cell

Author

Kalantari, H.

Pub. Year

2014

Subjects

Direct methanol fuel cell. / Mass and heat transport interaction. / Modeling. / Two-phase. / Carbon dioxide. / Cells. / Cytology. / Electrodes. / Heat transfer. / Methanol. / Microchannels. / Models. / Nitrogen. / Oxygen. / Pressure distribution. / Vapors. / Auxiliary equations. / Heat transfer behavior. / Mass and heat transport. / Methanol concentration. / Non-isothermal models. / Operation conditions. / Oxygen concentrations. / Direct methanol fuel cells (DMFC)

Numerical study on water distribution in different layers of direct methanol fuel cells

Author

Kalantari, H.

Pub. Year

2014

Subjects

Cathodes. / Contact angle. / Fuel cells. / Porous materials. / Water supply systems. / Electro-osmotic drag. / Gas diffusion layers. / Isothermal modeling. / Methanol crossover. / Multi-fluid models. / Operation conditions. / Two-phase mass transports. / Water distributions. / Direct methanol fuel cells (DMFC)

Backlash nonlinearity modeling and adaptive controller design for an electromechanical power transmission system

Author

Kalantari, R.

Pub. Year

2009

Subjects

Adaptive controller. / Backlash nonlinearity. / Adaptive controller design. / Adaptive controllers. / Angular positions. / Backlash nonlinearity. / Electromechanical power transmission systems. / Electromechanical systems. / Estimation and compensation. / Feedback systems. / Influence analysis. / Meshing gears. / Non-Linearity. / Nonlinear springs. / State feedback controller. / Adaptive algorithms. / Controllers. / Differential equations. / Electric power transmission. / Electromechanical devices. / Engineering exhibitions. / Estimation. / Feedback. / Nonlinear equations. / State feedback. / Adaptive control systems. / Algorithm. / Control system. / Design. / Error analysis. / Feedback mechanism. / Nonlinearity. / Numerical model.

Evaluation of biodiesel production using lipase immobilized on magnetic silica nanocomposite particles of various structures

Author

Kalantari, M.

Pub. Year

2013

Subjects

Immobilized enzymes. / Lipase. / Silica structure. / Biodiesel production. / Catalytic performance. / External magnetic field. / Immobilized enzyme. / Lipase immobilization. / Silica structures. / Transesterification reaction. / Biocatalysts. / Biodiesel. / Coupling agents. / Enzyme activity. / Enzyme immobilization. / Hybrid systems. / Nanocomposites. / Reusability. / Silica. / Lipases. / Glutaraldehyde. / Hydrolase. / Magnetite nanoparticle. / Methanol. / Silicon dioxide. / Soybean oil. / Triacylglycerol lipase. / Biocatalyst. / Burkholderia cepacia. / Enzyme stability. / Magnetic field. / Priority journal. / Transesterification. / Biocatalysis.

Facile fabrication and characterization of amino-functionalized Fe 3O4 cluster@SiO2 core/shell nanocomposite spheres

Author

Kalantari, M.

Pub. Year

2013

Subjects

A. Composites. / A. Magnetic materials. / A. Nanostructures. / D. Magnetic properties. / D. Magnetic structure. / Aminopropyltrimethoxysilane. / Biological applications. / Fourier transform infra reds. / Magnetic characteristic. / Powder X ray diffraction. / Straight-forward method. / Transmission electron microscopy (TEM) / Vibrating sample magnetometer. / Fourier transform infrared spectroscopy. / Magnetic materials. / Magnetic properties. / Nanocomposites. / Scanning electron microscopy. / Silica. / Superparamagnetism. / Transmission electron microscopy. / X ray diffraction. / Magnetic bubbles.

Speaker models reduction for optimized telephony text-prompted speaker verification

Author

Kalantari, E.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2015

Subjects

Computational burden. / Map methods. / Speaker model. / Speaker verification. / Speaker verification system. / State of the art. / Supervector. / Training sets. / Speech recognition.

A broadband multistage LNA with bandwidth and linearity enhancement

Author

Nikandish, G.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2016

Subjects

broadband amplifier. / feedback amplifier. / low-noise amplifier (LNA) / Bandwidth. / Broadband amplifiers. / Feedback. / Feedback amplifiers. / Microwave amplifiers. / Microwave integrated circuits. / Monolithic microwave integrated circuits. / Noise figure. / Reconfigurable hardware. / 1dB compression point. / Bandwidth enhancement. / Design technique. / Gaas phemt process. / Monolithic microwave integrated circuits (MMIC) / Transistor gain. / Transistor width. / Low noise amplifiers.

Fermi-GBM observation of GRB 090717034: χ 2 test confirms evidence of gravitational lensing by a supermassive black hole with a million solar mass

Author

Kalantari, Z.

Publisher

Institute of Physics,

Pub. Year

2022

Determination of hydrocarbon-water interfacial tension using a new empirical correlation

Author

Kalantari Meybodi, M.

Publisher

Elsevier,

Pub. Year

2016

Subjects

Estimation. / Interfacial tension. / Model. / Pure hydrocarbons. / Water.

Lipase immobilisation on magnetic silica nanocomposite particles: Effects of the silica structure on properties of the immobilised enzyme

Author

Kalantari, M.

Pub. Year

2012

Subjects

Cluster cores. / Enzymatic reaction. / Enzyme loading. / Free enzyme. / Hydrolytic activities. / Immobilisation. / Immobilised enzymes. / Initial activity. / Mesoporous. / Mesoporous Silica. / Mesoporous structures. / Nonporous particles. / Silica matrix. / Silica nanocomposites. / Silica structures. / Superparamagnetics. / Lipases. / Loading. / Nanocomposites. / Reaction rates. / Reusability. / Silica. / Superparamagnetism. / Enzyme activity.

Robust audio and speech watermarking using Gaussian and Laplacian modeling

Author

Akhaee, M. A.

Pub. Year

2010

Subjects

Inaudibility control. / Maximum likelihood detector. / Audio signal. / Gaussians. / Host signals. / Laplacians. / Low-frequency components. / Maximum likelihood detectors. / Multiplicative watermarking. / Noisy environment. / Perceptual evaluation of audio qualities. / Perceptual evaluation of speech qualities. / Semi-blind. / Speech signals. / Speech watermarking. / Watermarking schemes. / Detectors. / Laplace transforms. / Maximum likelihood. / Robustness (control systems) / Signal detection. / Watermarking. / Quality control.