Sharif Digital Repository

New insight into hydrodynamic and cake erosion mechanism during rotating-disk dynamic microfiltration of concentrated bentonite suspensions at different salinity conditions

Author

Movahedi, H.

Publisher

Elsevier B.V,

Pub. Year

2022

Subjects

Clay suspension. / Bentonite. / Computational fluid dynamics. / Fouling. / Hydrodynamics. / Microfiltration. / Rotating disks. / Shear flow. / Shear stress. / Suspensions (fluids) / Cake erosion. / Clay particles. / Clay suspensions. / Condition. / Dynamic filtration. / Filtrate flux. / Flux rates. / Rotating disc. / Wall shear stress. / Wall-shear stress. / Erosion.

Folate conjugated hyaluronic acid coated alginate nanogels encapsulated oxaliplatin enhance antitumor and apoptosis efficacy on colorectal cancer cells (HT29 cell line)

Author

Movahedi Shad, P.

Publisher

Elsevier Ltd,

Pub. Year

2020

Subjects

Anti-tumor activity. / Apoptosis. / Colorectal cancer. / Folate- hyaluronic acid/alginate. / Hyaluronic acid. / Hyaluronic acid/alginate. / Oxaliplatin. / Alginic acid. / Folic acid. / Nanocarrier. / Nanogel. / Protein Bax. / Protein bcl 2. / Unclassified drug. / Antineoplastic activity. / Bax gene. / Bcl2 gene. / Concentration response. / Controlled drug release. / Controlled study. / Cross linking. / Drug dosage form comparison. / Drug efficacy. / Flow cytometry. / Fourier transform infrared spectroscopy. / Gene expression. / HT-29 cell line. / Human cell. / In vitro study. / MTT assay. / Nanoencapsulation. / Particle size. / Photon correlation spectroscopy. / Physical chemistry. / Real time polymerase chain reaction. / Scanning electron microscopy. / Spectrofluorometry. / Transmission electron microscopy. / Zeta potential.

Welding metallurgy of martensitic advanced high strength steels during resistance spot welding

Author

Tamizi, M.

Pub. Year

2017

Subjects

Advanced high strength steels. / Heat affected zone softening. / Martensitic steels. / Tempering. / Corrosion. / Heat affected zone. / Heat resistance. / Martensitic steel. / Resistance welding. / Spot welding. / Steel metallurgy. / Tempering. / Welding. / Advanced high strength steel. / Allotriomorphic ferrites. / Fusion zone size. / Interfacial failures. / Pull-out failure. / Resistance spot welding. / Strain concentration. / Welding metallurgy. / High strength steel.

New insight into the filtration control of drilling fluids using a graphene-based nanocomposite under static and dynamic conditions

Author

Movahedi, H.

Publisher

American Chemical Society,

Pub. Year

2021

Subjects

Boreholes. / Drilling fluids. / Erosion. / Fourier transform infrared spectroscopy. / Graphene. / Infill drilling. / Light scattering. / Nanocomposites. / Nanosheets. / Oil field equipment. / Oil wells. / Scanning electron microscopy. / Shear flow. / Water filtration. / Dynamic filtration. / Filtration control. / Graphene oxide nanoparticle. / Graphene oxide nanosheet. / Graphene oxide-polyacrylamide nanocomposite. / Property. / Static and dynamic conditions. / Static conditions. / Static filtration. / Water based drilling fluids. / Nanoparticles.

Hydrodynamic Analysis and Cake Erosion Properties of a Modified Water-Based Drilling Fluid by a Polyacrylamide/Silica Nanocomposite during Rotating-Disk Dynamic Filtration

Author

Movahedi, H.

Publisher

American Chemical Society,

Pub. Year

2022

Subjects

Clays. / Filtration. / Fluid dynamics. / Fluids. / Silica.

Effect of annealing treatment on joint strength of aluminum/steel friction stir lap weld

Author

Movahedi, M.

Pub. Year

2013

Subjects

Annealing treatment. / Friction stir welding. / Intermetallic. / Annealing temperatures. / Annealing treatments. / Critical thickness. / Effect of annealing. / Electron back scatter diffraction. / Energy dispersive spectroscopies (EDS) / Intermetallic layer. / Joint strength. / Aluminum. / Energy dispersive spectroscopy. / Friction stir welding. / Intermetallics. / Scanning electron microscopy. / Steel. / Tensile testing. / Welds. / Annealing.

Growth kinetics of Al-Fe intermetallic compounds during annealing treatment of friction stir lap welds

Author

Movahedi, M.

Pub. Year

2014

Subjects

Annealing. / Diffusion. / Friction stir welding. / Intermetallics. / Kernel average misorientation. / Transmission electron microscopy.

Application of Hydrated Basil Seeds (HBS) as the herbal fiber on hole cleaning and filtration control

Author

Movahedi, H.

Publisher

Elsevier B.V,

Pub. Year

2017

Subjects

Drilling fluid. / Filtration control. / Herbal fiber. / Hydrated Basil Seeds. / Mucilage. / Application programming interfaces (API) / Cleaning. / Drilling fluids. / Fibers. / Hydration. / Petroleum industry. / Sensitivity analysis. / Sodium. / Sodium chloride. / Specific heat. / Temperature. / Thermodynamic stability. / Filtration performance. / High pressure high temperature. / Hole cleaning. / Mathematical analysis. / Mucilage. / Rheological behaviors. / Settlement behaviors. / Hole concentration. / Bentonite. / Filtration. / Heat capacity. / Rheology. / Seed. / Ocimum.

Welding metallurgy of duplex stainless steel during resistance spot welding

Author

Arabi, S. H.

Pub. Year

2017

Subjects

Phase transformations. / Austenite. / Cooling. / Electric welding. / Energy absorption. / Ferrite. / Metallurgy. / Nitrides. / Phase transitions. / Resistance welding. / Spot welding. / Steel metallurgy. / Volume fraction. / Welding. / Welds. / Austenite transformations. / Austenite volume fraction. / Duplex stainless steel. / Failure mode transition. / Mechanical performance. / Mechanical response. / Phase balance. / Resistance spot welding. / Stainless steel.

Pathways to improve the austenite–ferrite phase balance during resistance spot welding of duplex stainless steels

Author

Arabi, S. H.

Publisher

Taylor and Francis Ltd,

Pub. Year

2019

Subjects

Corrosion. / Duplex stainless steel. / Post-weld heat treatment. / Resistance spot welding. / Annealing. / Austenite. / Corrosion. / Corrosion resistance. / Heat resistance. / Spot welding. / Stainless steel. / Welds. / Austenite volume fraction. / Phase balance. / Post weld heat treatment. / Post-weld annealing. / Resistance spot welding. / Secondary austenite. / Transformation pathways. / Steel corrosion.