Sharif Digital Repository

Oily wastewater treatment using membrane bioreactor

Author

Safa, M.

Pub. Year

2014

Subjects

Biofilm. / Biological treatment. / Chemical oxygen demand. / COD. / Membrane bioreactor. / Membrane fouling. / Oily wastewater. / RBC. / Rotating biological contractor. / Total petroleum hydrocarbon. / TPH.

Functionalized carbon nanotubes in ZnO thin films for photoinactivation of bacteria

Author

Akhavan, O.

Pub. Year

2011

Subjects

Photocatalyst. / Antibacterial. / Escherichia coli bacteria. / Functionalized. / Functionalized carbon nanotubes. / Light irradiations. / MWCNT. / Nanocomposite thin films. / Oxygen atom. / Photoinactivation. / UV-visible. / Zn atoms. / ZnO. / ZnO films. / ZnO thin film. / Bacteria. / Bacteriology. / Carbon films. / Charge transfer. / Escherichia coli. / Functional groups. / Ion exchange. / Metallic films. / Nanocomposite films. / Nanocomposites. / Photoelectron spectroscopy. / Thin films. / X ray photoelectron spectroscopy. / Zinc. / Zinc oxide. / Multiwalled carbon nanotubes (MWCN)

A different switching surface stabilizing an existing unstable periodic gait: an analysis based on perturbation theory

Author

Safa, A. T.

Publisher

Kluwer Academic Publishers,

Pub. Year

2015

Subjects

Limit cycle walking. / Stability. / Switching surface. / Convergence of numerical methods. / Differential equations. / Impulse response. / Nonlinear equations. / Switching. / System stability. / Impulsive systems. / Limit cycle walkings. / Local controllability. / Nonlinear differential equation. / Nonlinear impulsive systems. / Passive dynamic walker. / Perturbation. / Switching surfaces. / Perturbation techniques.

Stable handspring maneuvers with passive flight phases: Results from an inverted pendulum-like template

Author

Tehrani Safa, A.

Publisher

Elsevier Ltd,

Pub. Year

2021

Subjects

Musculoskeletal system. / Control policy. / Inverted pendulum. / Nonlinear impulsive systems. / Numerical results. / Parameter spaces. / Periodic solution. / Symmetric rigid bodies. / System's dynamics. / Pendulums.

CuO/Cu(OH)2 hierarchical nanostructures as bactericidal photocatalysts

Author

Akhavan, O.

Pub. Year

2011

Subjects

Anti-bacterial activity. / Chemical compositions. / Crystalline phase. / Cu foil. / Effective surface area. / Escherichia coli bacteria. / Hierarchical Nanostructures. / In-situ oxidation. / Light irradiations. / NaOH concentration. / O-H bond. / OH contents. / Photocatalytic activities. / Surface area. / XPS analysis. / Escherichia coli. / Metal cladding. / Morphology. / Photocatalysis. / Photocatalysts. / Photoelectron spectroscopy. / Surface morphology. / X ray diffraction analysis. / X ray photoelectron spectroscopy. / Nanostructures.

Ionization dynamics of orbitals and high-harmonic generation of N2 and CO molecules at the various XC potentials by TD-DFT

Author

Koushki, A. M.

Publisher

Elsevier,

Pub. Year

2016

The control of electron quantum trajectories on the high-order harmonic generation of CO and N2 molecules in the presence of a low frequency field

Author

Koushki, A. M.

Publisher

American Institute of Physics Inc,

Pub. Year

2018

Subjects

Cutoff frequency. / Harmonic analysis. / Harmonic generation. / Molecules. / Quantum chemistry. / Trajectories. / Attosecond pulse generation. / High order harmonic generation. / High order harmonics. / Low frequency fields. / Quantum trajectories. / Spectral modulation. / Time dependent density functional theory. / Time frequency analysis. / Density functional theory.

High-order harmonic generation of CO and N2 molecules under linearly- and bi circularly-polarized laser pulses by TD-DFT

Author

Koushki, A. M.

Publisher

Institute of Physics Publishing,

Pub. Year

2018

Subjects

N2 and CO molecules. / Circular polarization. / Color. / Harmonic generation. / Laser pulses. / Molecules. / Quantum chemistry. / Attosecond pulse. / Bicircular field. / CO molecule. / High order harmonic generation. / TD-DFT. / Harmonic analysis.

Visible light photo-induced antibacterial activity of CNT-doped TiO 2 thin films with various CNT contents

Author

Akhavan, O.

Pub. Year

2010

Subjects

Anatase TiO. / Anti-bacterial activity. / Doped-TiO. / Escherichia coli bacteria. / Optical band gap energy. / Photo-induced. / Photocatalytic performance. / Photoinactivation. / Post annealing. / Sol-gel methods. / TiO. / Visible light. / Visible region. / Annealing. / Bacteriology. / Carbon nanotubes. / Charge transfer. / Escherichia coli. / Gels. / Ion exchange. / Sol-gel process. / Titanium dioxide. / Vapor deposition. / Thin films.

Stability improvement of a dynamic walking system via reversible switching surfaces

Author

Tehrani Safa, A.

Pub. Year

2018

Subjects

Biped. / Dynamic walking. / Hybrid limit cycle. / Stability. / Switching surface. / Convergence of numerical methods. / Disturbance rejection. / Energy utilization. / Stabilization. / Switching. / Biped. / Dynamic walking. / Energy effectiveness. / External disturbances. / Limit-cycle. / Passive dynamic walking. / Stability improvement. / Switching surfaces. / System stability.

Stability improvement of a dynamic walking system via reversible switching surfaces

Author

Tehrani Safa, A.

Pub. Year

2017

Subjects

Switching surface. / Convergence of numerical methods. / Disturbance rejection. / Energy utilization. / Stability. / Stabilization. / Switching. / Biped. / Dynamic walking. / Energy effectiveness. / External disturbances. / Limit-cycle. / Passive dynamic walking. / Stability improvement. / Switching surfaces. / System stability.

From passive dynamic walking to ankle push-off actuation: An MSC ADAMS approach to design

Author

Mizani, A.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2019

Subjects

Ankle motion. / Bifurcation. / Gait cycle. / Passive dynamic walker. / Push-off. / Stability. / Bifurcation (mathematics) / Convergence of numerical methods. / Energy utilization. / Equations of motion. / Robotics. / Structure (composition) / Gait cycles. / Low energy consumption. / Matlab- software. / Passive Dynamic Walking. / Period doubling. / Push offs. / MATLAB.

Application of exact continuum size-dependent theory for stability and frequency analysis of a curved cantilevered microtubule by considering viscoelastic properties

Author

Shariati, A.

Publisher

Springer,

Pub. Year

2020

Subjects

Cantilevered curved microtubule. / GDQM. / MAP tau protein. / Modified couple stress theory. / Differentiation (calculus) / Frequency response. / Comparison with experiments. / Elastic medium. / Frequency Analysis. / Generalized differential quadrature methods. / Modified couple stress theories. / Stability analysis. / Time dependent viscoelastic. / Viscoelastic properties. / Viscoelasticity.

Application of exact continuum size-dependent theory for stability and frequency analysis of a curved cantilevered microtubule by considering viscoelastic properties

Author

Shariati, A.

Publisher

Springer Science and Business Media Deutschland GmbH,

Pub. Year

2021

Subjects

Cytology. / Differentiation (calculus) / Frequency response. / Comparison with experiments. / Elastic medium. / Frequency Analysis. / Generalized differential quadrature methods. / Modified couple stress theories. / Stability analysis. / Time dependent viscoelastic. / Viscoelastic properties. / Viscoelasticity.