Sharif Digital Repository

Novel type of two-impinging-jets reactor for solid-liquid enzyme reactions

Author

Molaei Dehkordi, A.

Pub. Year

2006

Subjects

Enzyme immobilization. / Enzymatic isomerization. / Glucose isomerase. / Impinging jets. / Opposed jets. / Residence time distribution. / Cylinders (shapes) / Fructose. / Glucose. / Isomerization. / Trajectories. / Turbulence.

Transient and steady-state analysis of heat, mass, and momentum transfer in developing and fully-developed regions of homogeneous tubular reactors with non-Newtonian fluid flow

Author

Abbaszadeh Molaei, E.

Pub. Year

2013

Subjects

Tubular reactor. / Developing regions. / Power law fluid. / Transport phenomena. / Tubular reactors. / Unsteady state. / Flow of fluids. / Numerical analysis. / Momentum transfer.

A low power high resolution time to digital converter for ADPLL application

Author

Molaei, H.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2017

Subjects

ADPLL. / High resolution. / Time-To-digital converter. / Electric power utilization. / Signal processing. / Current difference. / Gain compensations. / Low-power consumption. / Post layout simulation. / Time amplifier. / Time to digital converters. / Frequency converters.

A low-power comparator-reduced flash ADC using dynamic comparators

Author

Molaei, H.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2018

Subjects

Analog-to-digital converter. / Delay derivation. / Dynamic comparator. / Low power. / Reference voltage implementation. / Analog to digital conversion. / Comparator circuits. / Analog to digital converters. / Dynamic comparators. / Reference voltages. / Comparators (optical)

A 5.3-ps, 8-b time to digital converter using a new gain-reconfigurable time amplifier

Author

Molaei, H.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2019

Subjects

Re-configurable gain. / SR latch. / Time-to-digital converter. / Amplifiers (electronic) / Light amplifiers. / NAND circuits. / Radiation detectors. / Signal processing. / Building blockes. / CMOS technology. / High resolution. / Low power. / Metastabilities. / Supply voltages. / Time amplifier. / Time to digital converters. / Frequency converters.

Adsorption of xylene isomers on Na-BETA zeolite: Equilibrium in batch adsorber

Author

Molaei Dehkordi, A.

Pub. Year

2013

Subjects

Isotherm. / Langmuir model. / Na-BETA zeolite. / Adsorbers. / Heat of adsorption. / Langmuir isotherm models. / Langmuir models. / Liquid Phase. / M-Xylene. / O-xylene. / P-xylene. / Saturation Adsorption. / Xylene isomers. / Adsorption. / Adsorption isotherms. / Ethylbenzene. / Isomers. / Isotherms. / Sodium. / Xylene.

Transesterification of waste cooking oil to biodiesel using Ca and Zr mixed oxides as heterogeneous base catalysts

Author

Molaei Dehkordi, A.

Pub. Year

2012

Subjects

Mixed oxide catalyst. / Active catalyst. / BET method. / Bio-diesel fuel. / CaO-ZrO ₂. / Catalyst loadings. / Coprecipitation method. / Heterogeneous base catalyst. / Heterogeneous solid. / Mixed oxide. / Mixed oxide catalysts. / Molar ratio. / Solid catalysts. / Surface area measurement. / Waste cooking oil. / Biodiesel. / Calcium. / Loading. / Methanol. / Synthetic fuels. / Temperature programmed desorption. / Transesterification. / X ray diffraction. / X ray photoelectron spectroscopy. / Zirconium. / Zirconium alloys. / Catalyst activity.

The effect of dynamic strain aging on subsequent mechanical properties of dual-phase steels

Author

Molaei, M. J.

Pub. Year

2010

Subjects

Dual-phase steel. / Dynamic strain aging. / Fatigue Limit. / Fatigue strength. / Heat treatment cycle. / Martensite volume fraction. / Pre-strain. / Room temperature. / Temperature range. / Tensile specimens. / Tensile tests. / Total elongations. / Ultimate tensile strength. / Dynamics. / Fatigue of materials. / Low carbon steel. / Martensite. / Mechanical properties. / Strain. / Tensile strength. / Tensile testing. / Martensitic steel.

Transient and steady-state forced convection to power-law fluids in the thermal entrance region of circular ducts: Effects of viscous dissipation, variable viscosity, and axial conduction

Author

Molaei Dehkordi, A.

Pub. Year

2010

Subjects

Thermal entrance length. / Axial conduction. / Finite difference. / Power law fluid. / Thermal entrance. / Viscous dissipation. / Difference equations. / Fluids. / Heat flux. / Laminar flow. / Nusselt number. / Vehicular tunnels. / Viscosity. / Viscous flow. / Forced convection.

The effect of dynamic strain aging on fatigue properties of dual phase steels with different martensite morphology

Author

Molaei, M. J.

Pub. Year

2009

Subjects

Before and after. / DP-steel. / Dual-phase steel. / Dynamic strain aging. / Fatigue properties. / Fatigue strength. / Fatigue tests. / Intercritical annealing heat treatment. / Martensite morphology. / Room temperature. / Soft ferrite. / Soft phasis. / Tensile tests. / Tortuous path. / Total elongations. / Ultimate tensile strength. / Dynamic positioning. / Fatigue of materials. / Ferrites. / Morphology. / Percolation (solid state) / Tensile strength. / Tensile testing. / Martensite.

A 5.3ps 8b Time to digital converter using a new gain-reconfigurable time amplifier

Author

Molaei, H.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2018

Subjects

Re-Configurable Gain. / SR latch. / Time-to-digital converter. / Amplifiers (electronic) / Light amplifiers. / NAND circuits. / Radiation detectors. / Signal processing. / Building blockes. / CMOS technology. / High resolution. / Low Power. / Metastabilities. / Supply voltages. / Time amplifier. / Time to digital converters. / Frequency converters.