Subjects: Effective streamline conductivity. / Gradual deformation technique. / History matching. / Optimization. / Streamline simulation. / Deformation techniques. / Effective conductivity. / Field observations. / Flow path. / Geo-statistics. / Independent variables. / Objective functions. / Optimization problems. / Reservoir models. / Simulation result. / Algorithms. / Computer simulation. / Deformation. / Reservoir management. / Petroleum reservoir evaluation.

Utilization of gene expression programming for modeling of mechanical performance of titanium/carbonated hydroxyapatite nanobiocomposites: The combination of artificial intelligence and material science

Author: Shojaei, M. R.

Publisher: Materials and Energy Research Center,

Pub. Year: 2021

Subjects: Artificial intelligence. / Biocompatibility. / Elastic moduli. / Gene expression. / Hardness. / Hydroxyapatite. / Porosity. / Predictive analytics. / Sensitivity analysis. / Sintering. / Statistical tests. / Biological applications. / Biological properties. / Carbonated hydroxyapatites. / Compaction pressure. / Effective parameters. / Gene expression programming. / Mechanical performance. / Sintering temperatures. / Titanium compounds.

Analysis of the sedimentation process in reactive polymeric suspensions

Author: Shojaei, A.

Pub. Year: 2006

Subjects: Curing. / Mathematical models. / Sedimentation. / Suspensions (fluids) / Viscosity. / Mass conservation law. / Rheokinetics. / Stokes' law. / Composite materials. / Computer simulation.

Simulation of the three-dimensional non-isothermal mold filling process in resin transfer molding

Author: Shojaei, A.

Publisher: Elsevier BV,

Pub. Year: 2003

Subjects: A. Polymer-matrix composites. / Control volume/Finite element. / E. Resin transfer molding (RTM)

Three-dimensional process cycle simulation of composite parts manufactured by resin transfer molding

Author: Shojaei, A.

Pub. Year: 2004

Subjects: Curing stage. / Degree of cure. / Filling stage. / Polymer-matrix composites. / Process cycle. / Resin transfer molding (RTM) / Temperature distribution. / Three-dimensional simulation.

Estimating the connected volume of hydrocarbon during early reservoir life by percolation theory

Author: Sadeghnejad, S.

Pub. Year: 2014

Subjects: Connected volume of hydrocarbon. / Percolation. / Validation. / Early reservoir life. / Percolation theory. / Reservoir modeling. / Estimation. / Percolation (solid state) / Solvents. / Hydrocarbons.

Utilization of percolation approach to evaluate reservoir connectivity and effective permeability: A case study on North Pars gas field

Author: Sadeghnejad, S.

Pub. Year: 2011

Subjects: Master curves. / Reservoir connectivity. / Master curve. / Percolation theory. / Reservoir modeling. / Validation. / Gas industry. / Mechanical permeability. / Percolation (solid state) / Solvents. / Petroleum reservoir engineering. / Connectivity. / Cost-benefit analysis. / Data set. / Gas field. / Model validation. / Numerical model. / Percolation. / Permeability. / Reservoir characterization. / Uncertainty analysis. / Arabian Sea. / Indian Ocean. / Iran. / North Pars Gas Field. / Persian Gulf.

Field Scale Characterization of Geological Formations Using Percolation Theory

Author: Sadeghnejad, S.

Pub. Year: 2012

Subjects: Breakthrough time. / Connectivity. / Field scale investigation. / Percolation theory. / Validation. / Petroleum reservoirs. / Solvents. / Three dimensional. / Percolation (solid state) / Breakthrough curve. / Flow modeling. / Hydraulic conductivity. / Model test. / Model validation. / Percolation. / Quantitative analysis. / Spatial distribution. / Structural geology. / Theoretical study. / Three-dimensional modeling.

A reservoir conductivity evaluation using percolation theory

Author: Sadeghnejad, S.

Pub. Year: 2011

Subjects: Evaluation. / Percolation approach. / Validation. / Algebraic manipulations. / Data analysis. / Data sets. / Development scenarios. / Drilling projects. / Effective permeability. / Field data. / Flow unit. / Fracture reservoirs. / Geological heterogeneities. / Object based. / Oil reservoirs. / Percolation theory. / Permeability contrasts. / Proper modeling. / Reservoir conductivity. / Reservoir performance. / Reservoir permeability. / Sand body. / Statistical approach. / Two-dimension. / Universal curve. / Anoxic sediments. / Data reduction. / Decision making. / Infill drilling. / Offshore oil wells. / Percolation (solid state) / Petroleum reservoir evaluation. / Petroleum reservoirs. / Sand. / Solvents. / Spatial distribution. / Offshore oil fields.

Field scale characterization of geological formations using percolation theory

Author: Sadeghnejad, S.

Pub. Year: 2012

Subjects: Breakthrough time. / Connectivity. / Field scale investigation. / Hydraulic conductivity. / Percolation theory. / Validation. / Breakthrough time. / Connectivity. / Field scale investigation. / Percolation theory. / Validation. / Hydraulic conductivity. / Petroleum reservoirs. / Solvents. / Three dimensional. / Percolation (solid state) / Breakthrough curve. / Flow modeling. / Hydraulic conductivity. / Model test. / Model validation. / Percolation. / Guantitative analysis. / Spatial distribution. / Structural geology. / Theoretical study. / Three-dimensional modeling.

Utilization of percolation approach to evaluate reservoir connectivity and effective permeability: A case study on North Pars gas field

Author: Sadeghnejad, S.

Pub. Year: 2011

Subjects: Reservoir connectivity. / Effective permeability. / Master curve. / Percolation theory. / Reservoir modeling. / Validation. / Gas industry. / Mechanical permeability. / Percolation (solid state) / Solvents. / Petroleum reservoir engineering. / Connectivity. / Cost-benefit analysis. / Data set. / Gas field. / Model validation. / Numerical model. / Percolation. / Permeability. / Reservoir characterization. / Uncertainty analysis. / Arabian Sea. / Indian Ocean. / Iran. / North Pars Gas Field. / Persian Gulf.

Effect of anisotropy on the scaling of connectivity and conductivity in continuum percolation theory

Author: Sadeghnejad, S.

Pub. Year: 2010

Subjects: Continuum percolation. / Continuum percolation theory. / Finite size scaling. / Percolation thresholds. / Single phase. / Three dimensions. / Universal curve. / Aspect ratio. / Percolation (fluids) / Pressure drop. / Solvents. / Anisotropy.

Online analysis of local field potentials for seizure detection in freely moving rats

Author: Zare, M.

Publisher: Mashhad University of Medical Sciences,

Pub. Year: 2020

Subjects: Entropy. / Local field potentials. / Pilocarpine. / Power. / Seizure detection. / Algorithm. / Animal behavior. / Animal experiment. / Animal model. / Controlled study. / Data analysis software. / Electrophysiology parameters. / Epilepsy. / Hypersalivation. / Latent period. / Local field potential. / Male. / Nonhuman. / Online analysis. / Rat. / Seizure. / Seizure threshold. / Signal processing. / Spike wave.

Crystal and morphology development in immiscible nonpolar polymer blend nanocomposite based on low-density polyethylene and linear low-density polyethylene in presence of clay and compatibilizer

Author: Khederlou, K.

Publisher: John Wiley and Sons Ltd,

Pub. Year: 2023

Subjects: Compatibilizer. / Crystalline morphology. / Immiscible polyolefin blend. / Organically modified nanoclay. / Polymer-clay nanocomposite.

Physico-mechanical properties and thermal stability of thermoset nanocomposites based on styrene-butadiene rubber/phenolic resin blend

Author: Shojaei, A.

Pub. Year: 2010

Subjects: Energy management. / Mechanical testing. / Nanocomposites. / Thermal degradation. / Catalytic role. / Cross-linking density. / Cure rate. / Dynamic mechanical. / Dynamic mechanical property. / Physicomechanical properties. / Rheometry. / SEM. / Styrene butadiene rubber. / Styrene butadienes. / Thermal degradation. / Thermal degradations. / Thermal stability. / Two-roll mill. / Butadiene. / Curing. / Degradation. / Microstructure. / Interfacial energy. / Mechanical engineering. / Mechanical properties. / Microstructure. / Phase interfaces. / Phenolic resins. / Phenols. / Photodegradation. / Resins. / Rubber. / Scanning electron microscopy. / Styrene. / Thermodynamic stability. / Thermogravimetric analysis. / X ray diffraction. / X ray diffraction analysis. / Pyrolysis. / pH effects. / Dynamics.

Analysis of structure-properties relationship in nitrile-butadiene rubber/phenolic resin/organoclay ternary nanocomposites using simple model system

Author: Shojaei, A.

Pub. Year: 2010

Subjects: Organoclay. / Phenolic resin. / Rubber. / Continuous phase. / Cure characteristics. / Mixing time. / Nitrile butadiene rubber. / Rubber blends. / Scanning electron microscopes. / Simple model. / Structure property relationships. / Structure-properties relationships. / Ternary nanocomposites. / Thermal properties. / Transmission electron microscope. / Two-roll mill. / Butadiene. / Cyanides. / Electron microscopes. / Hybrid systems. / Mechanical properties. / Morphology. / Phase interfaces. / Phenols. / Plastics. / Range finding. / Resins. / Thermodynamic properties. / X ray diffraction. / X ray diffraction analysis. / X ray microscopes. / Nanocomposites. / Dispersion. / Structural analysis. / Structural property. / Synthetic rubber. / Thermal property.

Taguchi analysis of extrusion variables and composition effects on the morphology and mechanical properties of EPR-g-MA toughened polyamide 6 and its composite with short glass fiber

Author: Shojaei, A.

Pub. Year: 2009

Subjects: Glass fiber. / Rubber-toughening. / Chemical analysis. / Composition effects. / Electron resonance. / Electron spin resonance spectroscopy. / Ethylene. / Extrusion. / Fibers. / Glass fibers. / Mechanical properties. / Morphology. / Nanocrystalline materials. / Optical microscopy. / Paramagnetic resonance. / Polymer blends. / Polymer matrix composites. / Polymers. / Propylene. / Quantum theory. / Regression analysis. / Rubber. / Scanning electron microscopy. / Tensile strength. / Barrel temperatures. / Extrusion variables. / Feed rates. / Fiber lengths. / Influential factors. / Mixing temperatures. / Morphology and mechanical properties. / Orthogonal arrays. / Performance characteristics. / Phase morphologies. / Polyamide 6. / Processing parameters. / Reinforced blends. / Rubber contents. / Rubber particles. / Screw speed. / Sem. / Short glass fibers. / Taguchi. / Taguchi analysis. / Thermo-mechanical degradations. / Twin-screw extruders. / Analysis of variance (ANOVA)

A mathematical method for XRD pattern interpretation in clay containing nano composites

Author: Khederlou, K.

Pub. Year: 2014

Subjects: Nanoclay. / Nanocomposites. / XRD patterns. / Filled polymers. / Nanostructured materials. / Polymer matrix composites. / Rheology. / X ray diffraction. / Filler-matrix interaction. / Hybrid nanocomposites. / Mathematical method. / Nano clays. / Nano-particle dispersions. / Polymer diffusion. / Rheological measurements.

Adhesion modification of polyethylenes for metallization using radiation-induced grafting of vinyl monomers

Author: Shojaei, A.

Pub. Year: 2007

Subjects: Chemical etching. / Radiation grafting technique. / Vinyl monomers. / Grafting (chemical) / Adhesion. / Electroless plating. / Grafting (chemical) / Magnetron sputtering. / Metallizing. / Monomers. / Polyethylenes. / Surface treatment. / Vinyl resins.

Investigation of spring back phenomenon in the 316L stainless steel cathode blank based on the changes in electrical resistivity and magnetic properties due to the residual stress and martensite phase formation: An industrial failure

Author: Shojaei, M.

Publisher: Elsevier Ltd,

Pub. Year: 2021

Subjects: Copper electrorefining. / Heat treatment. / Martensite phase transformation. / Residual stress. / Spring back. / Stainless steel cathode blank.

Total 24085 records