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Total 11720 records
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# Type Title Author Publisher Pub. Year Subjects Call Number
1 مقاله Stabilization of nanostructured materials using fine inert ceramic particles Razavi Tousi, S. S. 2010 A. Grain growth.
B. Grain size.
Fine ceramic particles.
Nanostructures.
Analytical investigations.
Boundary correlations.
Ceramic particle.
Drag pressure.
Fine ceramic particles.
Fine ceramics.
Grain size.
Random distribution.
Ceramic materials.
Crystalline materials.
Drag.
Grain size and shape.
Nanostructures.
Grain growth.
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2 مقاله Pure-injectivity of tensor products of modules Pournaki, M. R. 2014 Classical ring.
Linearly compact module.
Pure-injective module.
Tensor product.
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3 مقاله What is... Stanley depth? Pournaki, M. R. 2009
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4 مقاله Effect of gamma ray on poly(lactic acid)/poly(vinyl acetate-co-vinyl alcohol) blends as biodegradable food packaging films Razavi, S. M. 2014 Blend.
Gamma irradiation.
Gas permeability.
Poly(lactic acid)
Biodegradable food packaging.
Gas barrier properties.
Immiscible blends.
Oxygen barrier properties.
Poly lactic acid.
Sterilization process.
Transparent films.
Blending.
Copolymers.
Glass.
Glass transition.
Irradiation.
Lactic acid.
Mechanical properties.
Packaging materials.
Solubility.
Sterilization (cleaning)
Gamma rays.
Copolymer.
Oxygen.
Poly(vinyl acetate co vinyl alcohol)
polylactic acid.
Unclassified drug.
Biodegradability.
Cardiovascular surgery.
Chemical composition.
Chemical interaction.
Film.
Food packaging.
Gamma radiation.
Glass transition temperature.
Mechanics.
Miscibility.
Physical chemistry.
Radiation dose.
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5 مقاله Oxygen-barrier properties of poly(lactic acid)/poly(vinyl acetate-co-vinyl alcohol) blends as biodegradable films Razavi, S. M. Wiley, 2012 Biodegradable.
Acid-catalyzed hydrolysis.
Biodegradable film.
Blends.
Cosolvents.
Elongation at break.
Gas permeation.
Oxygen barrier properties.
Polylactic acids.
Solution-casting method.
Vinylalcohol.
Copolymers.
Film preparation.
Films.
Lactic acid.
Oxygen.
Gas permeable membranes.
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6 مقاله Effect of acidic and basic solutions on electron beam irradiated epoxy nanocomposites containing nanoclay, CaCO3 and TiO2 nanoparticles Razavi, S. M. 2014 Calcium carbonate.
Chemical reactions.
Chemical resistance.
Electron beams.
Epoxy resins.
Intercalation.
Irradiation.
Nanoparticles.
Plastic adhesives.
Titanium dioxide.
Transmission electron microscopy.
Electron beam irradiation.
Epoxy nanocomposites.
Nano clays.
TiO.
Nanocomposites.
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7 مقاله Effect of η phase on mechanical properties of the iron-based superalloy using shear punch testing Seifollahi, M. 2013 η phase.
A286 superalloy.
Fracture surface.
High temperature phase transformation.
Shear punch test.
Fracture surfaces.
Grain boundary decohesion.
High temperature heat treatment.
High temperature phase.
High volume fraction.
Microstructural features.
Shear-punch tests.
Ultimate shear strength.
Cracks.
Grain boundaries.
Hydrogen embrittlement.
Mechanical properties.
Microstructural evolution.
Scanning electron microscopy.
Superalloys.
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8 مقاله Polyurethane/clay nanocomposites reinforced with carbon and glass fibres: study of mechanical and thermal properties, and the effect of electron beam irradiation Kosari, M. 2017 Carbon fibre.
Glass fibre.
Nanoclay.
Nanocomposite.
Polyurethane.
Carbon fibers.
Electron beams.
Electrons.
Fiber reinforced plastics.
Fibers.
Glass.
Glass fibers.
High resolution transmission electron microscopy.
Irradiation.
Nanostructured materials.
Polyurethanes.
Reinforcement.
Tensile strength.
Tensile testing.
Thermodynamic properties.
Thermodynamic stability.
Thermogravimetric analysis.
Transmission electron microscopy.
X ray diffraction.
Electron beam irradiation.
Fibre reinforced composites.
Mechanical and thermal properties.
Nano clays.
Transmission electron microscopy images.
Nanocomposites.
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9 مقاله Effect of electron beam irradiation on mechanical properties of unsaturated polyester/nanoclay composites reinforced with carbon and glass fibers Razavi, S. M. Elsevier B.V, 2020 Carbon fiber.
Composite.
Glass fiber.
Nanoclay.
Carbon fibers.
Composite materials.
Corrosion resistance.
Electron beams.
Fourier transform infrared spectroscopy.
Glass fibers.
Hardness.
Ionizing radiation.
Irradiation.
Mechanical properties.
Nanocomposites.
Reinforced plastics.
Reinforcement.
Tensile strength.
Electron beam irradiation.
FTIR.
FTIR spectroscopy.
Nano clays.
Nanoclay particles.
Radiation resistance.
Structural applications.
Unsaturated polyester.
Particle reinforced composites.
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10 مقاله A new genetic algorithm method for optimal coordination of overcurrent and earth fault relays in networks with different levels of voltages Kamangar, S. S. H. 2009 Earth fault relay.
Genetic algorithm.
Overcurrent relay.
Coordination.
Earth faults.
Effective solution.
Fault conditions.
In-network.
Objective functions.
Optimal coordination.
Optimization problems.
Over current.
Overcurrent relays.
Power networks.
Winding arrangement.
Electric power transmission networks.
Genetic algorithms.
Optimization.
Electric network analysis.
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11 مقاله Freshness assessment of gilthead sea bream (Sparus aurata) by machine vision based on gill and eye color changes Dowlati, M. 2013 Color parameters.
Fish eye.
Fish gill.
Machine vision.
Color parameter.
Digital color imaging.
Fish freshness.
Fish-eye.
Ice storage.
Region of interest.
Strong correlation.
Total color difference.
Color.
Colorimetry.
Computer vision.
MATLAB.
Neural networks.
Regression analysis.
Fish.
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12 مقاله Clustering and outlier detection using isoperimetric number of trees Daneshgar, A. 2013 Isoperimetric constant.
Normalized cut.
Cheeger constant.
Data clustering.
Graph Partitioning.
Isoperimetric constants.
Normalized cuts.
Outlier Detection.
Perceptual grouping.
Benchmarking.
Cluster analysis.
Data mining.
Graph theory.
Statistics.
Clustering algorithms.
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13 مقاله Effect of high energy ball milling on compressibility and sintering behavior of alumina nanoparticles Eskandari, A. 2012 A. Sintering.
Alumina Nanoparticle.
Applied pressure.
Cold isostatic press.
Critical pressures.
Deagglomeration.
Degree of agglomeration.
Densification behavior.
Green compacts.
High-energy ball milling.
Key elements.
Mechanical milling.
Milling time.
Nano powders.
Nano-alumina.
Post-sintering.
Shaping method.
Sintering behaviors.
Textural evolution.
Agglomeration.
Ball milling.
Compressibility.
Grain growth.
High energy physics.
Mechanical alloying.
Microstructure.
Milling (machining)
Nanostructured materials.
Powders.
Sintered alumina.
Sintering.
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14 مقاله Sparsity potentials for detecting objects with the hough transform Razavi, N. 2012 Hough transforms.
Object recognition.
Detecting objects.
Detection accuracy.
Discriminative power.
Fast inference.
Independence assumption.
Object Detection.
Object detectors.
Shape model.
Computer vision.
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15 مقاله Effect of nanoscaled reinforcement particles on the structural evolution of aluminium powder during mechanical milling Razavi Hesabi, Z. 2009 AL matrix nanocomposite.
AL2o3.
Mechanical milling.
SiC.
Structural evolution.
Mechanical alloying.
Metallography.
Milling (machining)
Morphology.
Nanocomposites.
Nanoparticles.
Powders.
Reinforcement.
Scanning electron microscopy.
Silicon carbide.
Strain hardening.
Transmission electron microscopy.
X ray diffraction.
X ray diffraction analysis.
Aluminum.
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16 مقاله Fabrication and characterisation of ultrafine-grained Al-5vol%Al 2O3 nanocomposite Razavi Hesabi, Z. 2010 Al-Al2O3.
Nanocrystalline metal matrix nanocomposite.
Alumina nanoparticle.
Average particle size.
Characterisation.
Compressive properties.
Elongated grains.
Matrix.
Mechanical milling.
Mechanical strength.
Nanocrystalline metal.
Nanocrystallines.
Nanometric alumina.
Powder extrusion.
SEM.
Severe plastic deformations.
Strengthening mechanisms.
TEM.
Ultrafine grained structure.
Ultrafine-grained.
XRD analysis.
Crystallite size.
Extrusion.
Mechanical alloying.
Mechanisms.
Metallic matrix composites.
Milling (machining)
Nanocomposites.
Nanocrystalline alloys.
Nanocrystalline powders.
Nanoparticles.
Powder metals.
Tensile strength.
Aluminum.
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17 مقاله Incorporating aspect ratio in a new modeling approach for strengthening of MMCs and its extension from micro to nano scale Zehtab Yazdi, A. 2010 Metal-matrix composites (MMCs)
Strength.
Deformation behavior.
Geometrically necessary dislocations.
Load transfer.
Matrix.
Modeling approach.
Multi-scale approaches.
Multi-scale Modeling.
Nano scale.
Particle reinforced.
Strengthening effect.
Aspect ratio.
Metals.
Nanocomposites.
Particle reinforced composites.
Pressure drop.
Strengthening (metal)
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18 مقاله A Very stable high throughput taylor cone-jet in electrohydrodynamics Morad, M. R. Nature Publishing Group, 2016
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19 مقاله Quantitative changes in gait parameters after cycling among multiple sclerosis patients with ataxia:a pilot study Rahimibarghani, S. Tehran University of Medical Sciences, 2022 Ataxia.
Exercise.
Gait analysis.
Multiple sclerosis (MS)
Rehabilitation.
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20 مقاله Analytical prediction of the temperature field in laser assisted machining Kashani, M. M. Elsevier, 2016 Analytical modelling.
Hybrid machining.
Temperature field.
Cutting tools.
Temperature.
Temperature distribution.
Analytical predictions.
Hard to cut material.
Hybrid machining.
Laser assisted machining.
Laser heat sources.
Laser parameters.
Rotating cylinders.
Temperature distribution fields.
Analytical models.
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Total 11720 records