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Total 2085 records
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# Type Title Author Publisher Pub. Year Subjects Call Number
1 مقاله Tearing energy of an annealed bilayer sheet through multiple and single tensile tests Beygi, R. 2011 Anneal.
Bilayer sheets.
Tearing energy.
Tensile tests.
Two layers.
Tensile testing.
Steel sheet.
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2 مقاله Energy absorption mechanism of Alsteel bilayer sheets produced by cold roll welding during wedge tearing Beygi, R. 2010 Alsteel bilayer.
Cold roll welding.
Energy absorption.
Tearing.
Absorption mechanisms.
Bi-layer.
Bilayer sheets.
Bond strength.
Cold-roll.
Experimental data.
Good correlations.
Load-displacement curve.
Properties of composites.
Theoretical equation.
Absorption.
Mechanical properties.
Welding.
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3 مقاله The effects of annealing phenomena on the energy absorption of roll-bonded Al-steel sheets during wedge tearing Beygi, R. 2010 Annealing phenomena.
Roll-bonded sheets.
Annealing effects.
Bilayer sheets.
Bond strength.
Bonded sheets.
EDS analysis.
Energy systems.
Fe intermetallics.
Flow stress.
Plastic bending.
SEM image.
Three component.
Absorption.
Aluminum.
Annealing.
Bending (deformation)
Cold rolling.
Energy absorption.
Metal analysis.
Paper sheeting.
Phase interfaces.
Steel sheet.
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4 پایان نامه تشخیص هرزنامه ها با رویکرد یادگیری افزایشی Incremental Learning Approach in Spam Detection قنبری، الهام Ghanbari, Elham صنعتی شریف 1389 هرزنامه Spam / یادگیری ماشینی Machine Learning / یادگیری تجمعی Ensemble Learning / یادگیری فزاینده Incremental Learning / دسته بندی متنی Text Categorization / فیلتر کردن Filtering
‭19-40678
5 مقاله Microstructural evolution and fracture behavior of friction-stir-welded Al-Cu laminated composites Beygi, R. 2014 Banding structures.
Contact surface.
Fracture behavior.
Friction stir butt welding.
Hardness measurement.
Particle distributions.
Retreating side.
Scanning electron microscopy image.
Energy dispersive spectroscopy.
Fracture mechanics.
Laminated composites.
Microstructural evolution.
Scanning electron microscopy.
Tensile testing.
Welding.
Welds.
Aluminum.
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6 مقاله Butt joining of Al-Cu bilayer sheet through friction stir welding Beygi, R. 2012 Al-Cu sheet.
bilayer sheet.
Advancing side.
Bilayer sheets.
Butt joining.
Cold-roll bonding.
Cu layers.
Defect-free.
Hardness profile measurement.
Hardness values.
Material Flow.
Microstructural investigation.
Stir zones.
Friction stir welding.
Hardness.
Joining.
Microstructure.
Roll bonding.
Aluminum.
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7 مقاله Impulsive noise removal from images using sparse representation and optimization methods Beygi Harchegani, S. 2010 Image de-noising.
Impulsive noise.
Impulsive noise removal.
Natural images.
Noisy image.
Optimization method.
Original images.
Sparse representation.
Sparsity.
Impulse noise.
Information science.
Signal processing.
Iterative methods.
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8 مقاله Predicting freight attraction with multivariate linear regression and geographically weighted regression using satellite nighttime light data Momeni Rad, F. International Journal, 2024 Freight Attraction.
GWR model.
MLR model.
Nighttime Light.
Linear regression.
Freight activity.
Freight attraction.
Freight data.
Geographically weighted regression.
Geographically Weighted Regression modelling.
Multivariate linear regression model.
Multivariate linear regressions.
Night time lights.
Road freights.
Visible infrared imaging radiometer suites.
Freight transportation.
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9 پایان نامه تخمین رفتار سفر بر اساس پایگاه‌ های اطلاعاتی تلفن همراه Driving Behavior Estimation with Smartphone Data محمد بیگی، محمد صادق Mohammad Beygi, Mohammad Sadegh دانشگاه صنعتی شریف 1398 رفتار سفر Travel Behavior / مدل لوجیت Logit Model / حسگرها Sensors / تلفن های هوشمند Smart Phones / مساله ایمنی Safety Problem / رفتار رانندگان Drivers Behavior
‭09-52371
10 مقاله Semisolid joining of aluminum A356 alloy by partial remelting and mechanical stirring Alvani, S. M. J. 2010 Semi-solid holding.
A356.
Localized stirring.
Semi-solid joining.
Semi-solids.
Shear punch.
Thermal treatment.
Aluminum.
Aluminum alloys.
Gas heating.
Gases.
Heat treatment.
Joining.
Lakes.
Liquids.
Mechanical properties.
Nozzles.
Oxygen.
Plasmas.
Substrates.
Thermal conductivity.
Welding.
Welds.
Nitrogen.
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11 مقاله DM Water Plant Sedimentation as a Cheap and Waste Source of Catalyst for Biodiesel Production Moradi, G. Walter de Gruyter GmbH 2016 CaO.
DM water plant sedimentation.
MgO.
Activation energy.
Biodiesel.
Kinetics.
Methanol.
Optimization.
Rate constants.
Reaction kinetics.
Sedimentation.
Soybean oil.
Biodiesel production.
Catalyst concentration.
Central composite designs.
Demineralized water.
Effects of temperature.
First-order kinetic models.
Transesterification reaction.
Water plant.
Catalysts.
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12 مقاله Fracture properties of steel fiber reinforced high strength concrete using work of fracture and size effect methods Kazemi, M. T. Elsevier Ltd, 2017 Fracture energy.
High-strength concrete.
Steel fiber.
Toughness.
Bending tests.
Concretes.
Fibers.
Fracture.
Fracture mechanics.
High performance concrete.
High strength steel.
Reinforced concrete.
Reinforcement.
Software testing.
Steel fibers.
Characteristic length.
Experimental program.
Fiber volume fractions.
Fracture behavior.
Fracture parameter.
High strength concretes.
Steel fiber reinforced high strength concrete.
Three-point bending test.
Brittle fracture.
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13 مقاله Experimental and analytical model analysis of Babolsar's steel arch bridge Beygi, M. H. A. Taylor and Francis/ Balkema, 2006 Analytical models.
Application programs.
Arch bridges.
Arches.
Base stations.
Concrete slabs.
Costs.
Data acquisition.
Degrees of freedom (mechanics)
Digital computers.
Electric measuring bridges.
Finite element method.
Flanges.
Floors.
Frequency domain analysis.
Instrument testing.
Life cycle.
Location.
Low pass filters.
Maintenance.
Natural frequencies.
Rivers.
Seismographs.
Seismology.
Software testing.
Steel beams and girders.
Steel bridges.
Steel testing.
Stochastic models.
Stochastic systems.
Stringers.
Vibration analysis.
Vibration measurement.
Earthquake response analysis.
Finite element analysis software.
Natural frequencies and modes.
Stochastic subspace identification.
Stochastic subspace identification methods.
Stochastic subspace methods.
Three dimensional finite element model.
Three translational degrees of freedoms.
Time domain analysis.
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14 پایان نامه اثرجوشکاری اصطکاکی - اغتشاشی بر ریزساختار و خواص مکانیکی ورق های دولایه آلومینیوم - مس تولید شده با جوش نوردی Effect of Friction Stir Welding on the Micro-Structure and Mechanical Properties of Al-Cu Bilayer Sheets Produced by Roll Welding بیگی، رضا Beygi, Reza صنعتی شریف 1393 خواص مکانیکی Mechanical Properties / ریزساختار Microstructure / جوشکاری اصطکاکی تلاطمی Friction Stir Welding / ورقه دولایه آلومینیوم - مس Aluminum-Cupper Bilayer Sheet / شرایط تماسی Contact Condition
‭07-46040
15 مقاله Friction stir butt welding of Al-Cu bilayer laminated composites: analysis of force, torque, and temperature Beygi, R. 2017 Al-Cu laminated composite.
Axial load and torque.
Aluminum.
Axial loads.
Butt welding.
Defects.
Friction.
Friction stir welding.
Laminating.
Torque.
Tribology.
Welding.
Welds.
Bi-layer.
Defect-free.
Force and torques.
Friction stir butt welding.
Material Flow.
Welding process.
Laminated composites.
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16 مقاله The effect of aging on the fracture characteristics and ductility of self-compacting concrete Beygi, M. H. A. March 2014 Fracture behavior.
Self-compacting concrete.
Toughness.
Brittle fracture.
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17 مقاله The effect of water to cement ratio on fracture parameters and brittleness of self-compacting concrete Beygi, M. H. A. Elsevier Ltd, 2013 Brittle fracture.
Aggregates.
Brittleness.
Cements.
Concrete aggregates.
Fracture mechanics.
Plasticity.
Self compacting concrete.
Toughness.
Brittleness numbers.
Characteristic length.
Experimental research.
Fracture behavior.
Fracture characteristics.
Fracture parameter.
Selfcompacting concretes (SCC)
Three-point bending test.
Brittle fracture.
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18 مقاله Influence of tool geometry and contact condition on friction stir welding of Al-Cu laminated composites Beygi, R. 2014 Al-Cu laminated composite.
Contact condition.
Friction stir welding.
Tool geometry.
Advancing side.
Contact conditions.
Intermetallic formation.
Material Flow.
Mixed regions.
SEM analysis.
Welding procedures.
Aluminum.
Engineering technology.
Geometry.
Laminated composites.
Materials science.
Tools.
Welding.
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19 مقاله Evaluation of the effect of maximum aggregate size on fracture behavior of self compacting concrete Beygi, M. H. A. 2014 Aggregate.
Self-compacting concrete.
Toughness.
Characteristic length.
Experimental program.
Fracture behavior.
Fracture characteristics.
Fracture process zone.
Maximum aggregate sizes.
Maximum size of coarse aggregate.
Three-point bending test.
Brittle fracture.
Fractal dimension.
Fracture mechanics.
Self compacting concrete.
Toughness.
Aggregates.
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20 مقاله A misbehavior‐tolerant multipath routing protocol for wireless Ad hoc networks [electronic resource] / Hanie Sedghi, Mohammad Reza Pakravan, Mohammad Reza Aref. Sedghi, H. (Haniyeh).
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Total 2085 records