Subjects: Amphiphile. / Asphaltene. / Inhibitor. / Precipitation. / Thermodynamic modeling. / Viscometry. / Amphiphiles. / Asphaltenes. / Association reactions. / Blending. / Chemical stability. / Crude oil. / Equations of state. / Losses. / Nanocomposites. / Petroleum industry. / Toluene. / Viscosity measurement. / Asphaltene precipitation. / Association equation of state. / Complementary data. / Experimental investigations. / Inhibitor concentration. / Thermodynamic model. / Thermodynamic modelling. / Precipitation (chemical)

Effect of magnetic field treatment on interfacial tension of CTAB nano-emulsion: developing a novel agent for enhanced oil recovery

Author: Saeedi Dehaghani, A. H.

Publisher: Elsevier B.V,

Pub. Year: 2018

Subjects: Enhanced oil recovery. / Magnetic field. / Nano-emulsion. / Surface tension.

Impact of ionic composition on modulating wetting preference of calcite surface: Implication for chemically tuned water flooding

Author: Saeedi Dehaghani, A. H.

Publisher: Elsevier B.V,

Pub. Year: 2019

Subjects: Calcite. / Interfacial interaction. / Ion-engineered water flooding. / Surfactant. / Wettability. / Additives. / Anionic surfactants. / Carboxylation. / Contact angle. / Dyes. / Floods. / Hydrophobicity. / Ions. / Oil well flooding. / Sulfur compounds. / Surface active agents. / Core flood experiments. / Hydrophobic interactions. / Kinetically controlled. / Monomeric surfactants. / Sodium dodecylbenzene sulfonate. / Wettability alteration. / Wettability reversal. / Wetting. / Calcium carbonate. / Calcium ion. / Carbonic acid. / Carboxylic acid. / Dodecylbenzenesulfonate sodium. / Magnesium ion. / Mineral. / Oil. / Sodium ion. / Sulfate. / Water. / Adsorption. / Concentration (parameter) / Flooding. / Priority journal. / Salinity. / Surface property. / Workflow.

Extending application of Dehaghani Association Equation of State for Modeling Phase Behavior of Water-Alcohol Systems

Author: Saeedi Dehaghani, A. H.

Publisher: Elsevier B.V,

Pub. Year: 2019

Subjects: Alcohol. / Aqueous solution. / Association. / Equation of state. / Thermodynamic model. / Alcohols. / Association reactions. / Ethanol. / Hydrogen bonds. / Methanol. / Solutions. / Accurate prediction. / Association equation of state. / Ethanol solutions. / Ethanol/water mixtures. / Physical interactions. / Self and cross associations. / Equations of state.

Developing a novel colloidal model for predicting asphaltene precipitation from crude oil by alkane dilution

Author: Shadman, M. M.

Publisher: Elsevier B.V,

Pub. Year: 2020

Subjects: Asphaltene. / Particle size distribution. / Precipitation. / Thermodynamic model. / Aggregates. / Crude oil. / Forecasting. / Free energy. / Gibbs free energy. / Heptane. / Mean square error. / Micelles. / Micellization. / Particle size. / Particle size analysis. / Precipitation (chemical) / Resins. / Sensitivity analysis. / Sols. / Aggregation equilibria. / Asphaltene aggregates. / Asphaltene precipitation. / Associative properties. / Free energy of micellization. / Mathematical formulation. / Precipitation trends. / Root mean square errors. / Asphaltenes.

Simulation study of the Gachsaran asphaltene behavior within the interface of oil/water emulsion: a case study

Author: Saeedi Dehaghani, A. H.

Publisher: Elsevier B.V,

Pub. Year: 2019

Subjects: Asphaltene. / Interfacial tension. / Molecular dynamics simulation. / Oil-water interface.

Modeling of asphaltene precipitation in calculation of minimum miscibility pressure

Author: Kariman Moghaddam, A.

Publisher: American Chemical Society,

Pub. Year: 2017

Subjects: Equations of state. / Liquids. / Petroleum reservoir engineering. / Solubility. / Asphaltene precipitation. / Association equation of state. / Displacement mechanisms. / Key design parameters. / Liquid liquid equilibrium. / Minimum miscibility pressure. / Slim tubes. / Asphaltenes.

New sequences of capacity achieving LDPC code ensembles over the binary erasure channel

Author: Saeedi, H.

Pub. Year: 2010

Subjects: Asymptotically optimal sequences. / Binary erasure channel (BEC) / Low-density parity-check codes (LDPC) / Asymptotically optimal. / Binary erasure channel. / Capacity achieving sequences. / Check regular ensembles. / Low-density parity-check codes. / Asymptotic analysis. / Codes (symbols) / Coding errors. / Frequency selective fading. / Optimization. / Signal encoding. / Binary sequences.

Biodesulfurization of dibenzothiophene by a newly isolated Rhodococcus erythropolis strain

Author: Davoodi Dehaghani, F.

Pub. Year: 2010

Subjects: Dibenzothiophene. / 2-hydroxybiphenyl. / 2-Hydroxybiphenyl (2-HBP) / Biodesulfurization. / Biphasic. / Biphasic systems. / Desulfurization reaction. / Dibenzothiophenes. / Diesel oil. / Dry cells. / HPLC analysis. / Methylthiophene. / Oil contaminated soil. / Organic-aqueous system. / PCR-based detection. / Resting cells. / Sulfur source. / Diesel fuels. / Soil pollution. / Sulfur. / Thiophene. / Desulfurization. / Dibenzothiophene derivative. / Bacterium. / Cell organelle. / Diesel. / Aqueous solution. / Bacterial growth. / Bacterial metabolism. / Bacterium isolate. / High performance liquid chromatography. / Microbial activity. / Nonhuman. / Polymerase chain reaction. / Priority journal. / Rhodococcus erythropolis. / Biodegradation, Environmental. / Biotechnology. / Chromatography, High Pressure Liquid. / Dimethyl Sulfoxide. / DNA, Bacterial. / DNA, Ribosomal. / Polymerase Chain Reaction. / Rhodococcus. / Soil Microbiology. / Soil Pollutants. / Sulfones. / Temperature. / Thiophenes. / Asia. / Eurasia. / Middle East. / Bacteria (microorganisms)

Effects of auxetic shoe on lumbar spine kinematics and kinetics during gait and drop vertical jump by a combined in vivo and modeling investigation

Author: Dehaghani, M. R.

Publisher: Nature Research,

Pub. Year: 2022

Subjects: Biomechanics. / Gait. / Human. / Kinetics. / knee. / Lumbar vertebra. / Physiology. / Shoe. / Biomechanical Phenomena. / Gait. / Humans. / Kinetics. / Knee Joint. / Lumbar Vertebrae. / Shoes.

Belief propagation-based multiuser receivers in optical code-division multiple access systems

Author: Sedaghat, M. A.

Pub. Year: 2013

Subjects: Belief propagation. / Better performance. / Finite-length systems. / Input data vector. / Known interferences. / Multi-user receivers. / Multistage detector. / Optical code division multiple access system. / Backpropagation. / Optical communication. / Optical fibers. / Code division multiple access.

A 1-V 400MS/s 14bit self-calibrated CMOS DAC with enhanced dynamic linearity

Author: Saeedi, S.

Pub. Year: 2004

Subjects: Digital to analog converter (DAC) / Dynamic nonlinearities. / Self calibration. / Track/attenuate output stage.

A new full CMOS 2.5-V two-stage line driver with variable gain for ADSL applications

Author: Mehrmanesh, S.

Pub. Year: 2004

Subjects: ADSL Application. / Analog Front End. / Class AB. / CMOS analog Circuit. / High speed. / Line Driver. / Low Power. / Low Voltage. / Operational Amplifier.

A new insight to the assessment of asphaltene characterization by using fortier transformed infrared spectroscopy

Author: Taherian, Z.

Publisher: Elsevier B.V,

Pub. Year: 2021

Subjects: Aromatic compounds. / Aromatization. / Asphaltenes. / Bond strength (chemical) / Extraction. / Functional groups. / Asphaltene characterization. / Asphaltene fractions. / Fourier transform infra reds. / FTIR. / Infrared: spectroscopy. / IP-143. / Oil samples. / Spectra's. / Spectrum techniques. / Transform infrared spectroscopy. / Fourier transform infrared spectroscopy. / Aromatic hydrocarbon. / Asphaltene. / Assessment method. / Chemical bonding. / Concentration (composition) / Fractionation. / FTIR spectroscopy.

The mechanistic investigation on the effect of the crude oil /brine interaction on the interface properties: A study on asphaltene structure

Author: Taherian, Z.

Publisher: Elsevier B.V,

Pub. Year: 2022

Subjects: Aggregation. / Asphaltene Properties. / FTIR. / low Salinity. / Oil–brine interaction. / Asphaltenes. / Crude oil. / Emulsification. / Aqueous phasis. / Asphaltene property. / Floodings. / FTIR. / Interface property. / Low salinity. / Mechanistics. / Oil–brine interaction. / Polar components. / Property. / Fourier transform infrared spectroscopy.

Evaluation of water desalination performances of functionalized nanoporous graphene membranes by molecular dynamics simulation

Author: Zarghami Dehaghani, M.

Publisher: Elsevier B.V,

Pub. Year: 2023

Subjects: Desalination. / Graphene. / Molecular dynamics simulation. / Reverse osmosis. / Surface functionalization.

Capacity achieving linear codes with random binary sparse generating matrices over the binary symmetric channel

Author: Kakhaki, A. M.

Publisher: IEEE,

Pub. Year: 2012

Subjects: Binary erasure channel. / Binary symmetric channel. / Block lengths. / Channel coding rate. / Equal probability. / Error exponent. / Error probabilities. / High probability. / Linear codes. / Matrix elements. / Maximum a posteriori decoders. / Probability of errors. / Sparse codes. / Sparse parity-check matrices. / Information theory. / Matrix algebra.

Fluid-structure interaction simulation of blood flow and cerebral aneurysm: effect of partly blocked vessel

Author: Saeedi, M.

Publisher: S. Karger AG,

Pub. Year: 2019

Subjects: Aneurysm. / Blocked vessel. / Fluid-structure interaction. / Wall shear stress. / Aged. / Aneurysm rupture. / Artery occlusion. / Artery wall. / Blood. / Blood flow. / Brain artery aneurysm. / Brain circulus arteriosus. / Carreau model. / Computed tomographic angiography. / Controlled study. / Elasticity. / Female. / Fluid structure interaction. / Human. / Image reconstruction. / Mathematical model. / Mathematical parameters. / Middle cerebral artery. / Mooney Rivlin model. / Priority journal. / Risk assessment. / Shear stress. / Simulation. / Systole. / Von Mises stress.

Modeling and simulation of membrane-absorption hybrid systems for CO2 capture from natural gas

Author: Soltanieh, M.

Publisher: Elsevier Ltd,

Pub. Year: 2005

Noise canceling balun-LNA with enhanced IIP2 and IIP3 for digital TV applications

Author: Saeedi, S.

Pub. Year: 2012

Subjects: Noise cancellation. / Output balancing. / Active baluns. / CMOS technology. / Core size. / Digital TV. / Distortion cancellation. / Frequency ranges. / Frequency spacing. / Inductorless. / Interfering signals. / Low-noise designs. / Second-order interaction. / Single-ended to differential. / Supply voltages. / Third-order non-linearity. / Two-tone tests. / Voltage gain. / Wideband impedance matching. / CMOS integrated circuits. / Digital television. / Impedance matching (electric) / Spurious signal noise. / Television broadcasting. / Low noise amplifiers.

Total 21210 records