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# Type Title Author Publisher Pub. Year Subjects Call Number
1 مقاله A novel management scheme to reduce emission produced by power plants and plug-in hybrid electric vehicles in a smart microgrid Ashrafi, R. Springer, 2020 Energy storage systems (ESSs)
Microgrids (MGs)
Plug-in hybrid electric vehicles (PHEV)
Control equipment.
Electric energy storage.
Electric power plants.
Energy management.
Integer programming.
Reactive power.
Scheduling.
Software testing.
Vehicle-to-grid.
Active and Reactive Power.
Distributed generations (DGs)
Electric Vehicles (EVs)
Growth and development.
Micro grid.
Plug in hybrid electric vehicles.
Second-order cone programming.
Plug-in hybrid vehicles.
Electric vehicle.
Emission.
Energy storage.
Power generation.
Power plant.
Smart grid.
Software.
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2 مقاله Effect of slow biodegradable substrate addition on biofilm structure and reactor performance in two MBBRs filled with different support media Ashrafi, E. Taylor and Francis Ltd, 2020 MBBR.
particle size distribution.
potato starch.
simultaneous nitrification de-nitrification (SND)
slowly biodegradable substrate.
Hydrolysis.
Nitrogen removal.
Sodium compounds.
Starch.
Biofilm structure.
Different sizes.
High organic loading.
Lower temperatures.
Moving bed biofilm reactors.
Reactor performance.
Small particles.
Uniform distribution.
acetic acid.
Ammonia.
Sugar.
Biodegradation.
Biofilm.
Denitrification.
Performance assessment.
Substrate.
Addition reaction.
Adsorption.
Article.
Chemical oxygen demand.
Surface property.
Temperature.
Bioreactor.
Sewage.
Solanum tuberosum.
Biofilms.
Biomass.
Bioreactors.
Nitrification.
Nitrogen.
Waste Disposal, Fluid.
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3 مقاله The effect of mechanical and thermal properties of FRP bars on their tensile performance under elevated temperatures Ashrafi, H. 2017 Fiber-reinforced-polymer (FRP) bars.
FRP.
Thermal properties.
Fiber reinforced plastics.
Fibers.
Mechanical testing.
Resins.
Tensile strength.
ANOVA (analysis of variance)
Elevated temperature.
Extreme temperatures.
Fiber reinforced polymer bars.
FRP bar.
Mechanical and thermal properties.
Tensile performance.
Ultimate tensile strength.
Thermodynamic properties.
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4 مقاله Optimising nutrient removal of a hybrid five-stage Bardenpho and moving bed biofilm reactor process using response surface methodology Ashrafi, E. Elsevier Ltd, 2019 Bardenpho process.
Biofilm reactor.
Nutrient removal.
Process optimization.
Response surface methodology.
Biofilms.
Bioreactors.
Chemical oxygen demand.
Nitrates.
Nitrogen.
Nutrients.
Optimization.
Organic carbon.
Phosphorus.
Recycling.
Surface properties.
Wastewater reclamation.
BIofilm reactors.
Biological nutrient removal.
Central composite designs.
Hydraulic retention time.
Moving bed biofilm reactors.
Nitrogen and phosphorus.
Nutrient removal.
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5 مقاله Droplet condensation on chemically homogeneous and heterogeneous surfaces Ashrafi, A. American Institute of Physics Inc, 2016 Atmospheric temperature.
Computational fluid dynamics.
Distribution functions.
Drop formation.
Drops.
Heat transfer.
Hydrophobicity.
Nucleation.
Double distribution functions.
Dropwise condensation.
Filmwise condensation.
Heat transfer analysis.
Heterogeneous surface.
Nucleation and growth.
Thermal lattice-Boltzmann method.
Wettability gradients.
Condensation.
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6 پایان نامه جداسازی توده های میکروبی (Biomass) از بیوراکتورهای بستر متحرک (MBBR) توسط فیلترهای دست ساز Biomass Separation in Moving Bed Biofilm Reactors (MBBR) by Natural And Innovative Filters اشرفی، الهام Ashrafi, Elham صنعتی شریف 1389 زیست واکنشگاه غشایی Membrane Bioreactor / واکنشگاه بیوفیلمی با بستر متحرک Moving Bed Biofilm Reactor (MBBR) / حوضچه رسوب گذار Settling Tank / فیلترهای دست ساز Innovative Filters / جداسازی توده های میکروبی Biomass Separation / شست و شوی معکوس Back Wash
‭06-41100
7 پایان نامه بهینه سازی مسیر با تراست پیوسته در سیستم سیارک های دوتایی Continuous-thrust Trajectory Optimization in the Binary Asteroids System اشرفی، مهرناز Ashrafi, Mehnraz صنعتی شریف 1394 الگوریتم ژنتیک Genetic Algorithm / بهینه سازی چندهدفه Multiobjective Optimization / پوشش Coverage / مسأله سه جسم محدودشده Restricted Three Body Problem (RTBP) / بهینه سازی مسیر Trajectory Optimization / سیارک های دوتایی Binary Asteroids
‭45-48404
8 مقاله New correlation for calculating natural gas Z-factor Ashrafi Moghadam, A. 2010
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9 مقاله Droplet condensation and jumping on structured superhydrophobic surfaces Ashrafi Habibabadi, A. Elsevier Ltd, 2019 Droplet jumping.
Superhydrophobic surfaces.
Thermal lattice Boltzmann method.
Computational fluid dynamics.
Condensation.
Distribution functions.
Hydrophobicity.
Kinetic theory.
Nucleation.
Surface measurement.
Surface properties.
Textures.
Different mechanisms.
Double distribution functions.
Droplet condensation.
Droplet nucleation.
Dropwise condensation.
Super-hydrophobic surfaces.
Suspended droplets.
Thermal lattice-Boltzmann method.
Drop formation.
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10 پایان نامه بررسی رفتار اتکایی و کششی اتصالات ساخته‌شده به روش مته‌کاری اصطکاکی An Investigation on the Behavior of Bolted Connections using Friction Drilling in Shear and Tension اشرفی، ابوالفضل Ashrafi, Abolfazl صنعتی شریف 1394 مدل سازی اجزای محدود Finite Element Modeling / استحکام کششی Tensile Strength / اتصال پیچی Bolted Connection / مته کاری اصطکاکی Friction Drilling / اتصالات اتکایی Bearing Type Connections / مقاومت لهیدگی Bearing Strength
‭09-47443
11 پایان نامه بازیافت کبالت از باتری های فرسوده لیتیم - یون به صورت اکسید کبالت نانوساختار Recycling of Cobalt with the form of Cobalt Nano Oxide from Spent Li-ion Batteries اشرفی نصرآبادی، علی Ashrafi Nasrabadi, Ali صنعتی شریف 1392 بازیافت Recycling / اسیدشویی Pickling / باتری های فرسوده لیتیم - یون Spent Lithium-Ion Batteries / الکترولیز پالسی Pulsing Electrolysis / نانواکسید کبالت Nanocobalt Oxide
‭07-44775
12 مقاله Two-dimensional modeling of functionally graded viscoelastic materials using a boundary element approach Ashrafi, H. 2012 Boundary element analysis.
Boundary elements.
Boundary integral equation approach.
Cartesian coordinate.
Composition changes.
Elasto-static problem.
Functionally graded.
Material property.
Non-homogeneous.
Numerical example.
Numerical implementation.
Somigliana identity.
Visco-elastic material.
Viscoelastic behaviors.
Beams and girders.
Elasticity.
Functionally graded materials.
Materials properties.
Boundary element method.
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13 مقاله Modeling of viscoelastic solid polymers using a boundary element formulation with considering a body load Ashrafi, H. 2012 Advanced polymers.
Body forces.
Boundary element analysis.
Boundary element formulations.
Engineering structures.
Linear viscoelastic solid.
Quasi-static.
Relaxation functions.
Solid polymers.
Standard linear solid models.
Time dependence.
Viscoelastic behavior.
Viscoelastic problem.
Viscoelastic solids.
Weighted residuals.
Boundary element method.
Gravitation.
Polymers.
Viscoelasticity.
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14 مقاله A new low voltage, high PSRR, CMOS bandgap voltage reference Ashrafi, S. F. 2008 Bandgap reference.
Bandgap references.
Bandgap voltage reference.
CMOS analog circuit design.
CMOS technology.
Current mode.
Feed-back loop.
High PSRR.
High-power.
Low power.
Low voltage.
Low voltages.
Output voltages.
Power supply.
Process variation.
Voltage reference.
CMOS integrated circuits.
Electric power distribution.
Electric power transmission networks.
Electric power utilization.
Energy gap.
Integrated circuit manufacture.
Power supply circuits.
Voltage measurement.
Electric potential.
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15 پایان نامه بررسی عددی تشکیل و رشد قطرات درحال چگالش بخار روی سطح نانوساختار فراآب گریز به روش شبکه بولتزمن Numerical Investigation of Formation and Growth of Steam Condensing Droplets on Nanostructured Superhydrophobic Surface Using Lattice Boltzmann Method اشرفی حبیب آبادی، امیر Ashrafi Habibabadi, Amir صنعتی شریف 1394 چگالش Consolidation / سطوح فراآب گریز Superhydrophobic Surfaces / روش های تغییر فاز Phase Changing Methods / روش شبکه بولتزمن Lattice Boltzmann Method / تشکیل قطره Droplet Formation / بررسی عددی Numerical Investigation / پرش قطره Droplet Jumping
‭08-48238
16 پایان نامه پیشنهاد الگوی بار جانبی مناسب برای تحلیل رانشی سازه های فولادی با سیستم قاب خمشی دارای نامنظمی جرم در ارتفاع Proposing an Appropriate Lateral Load Pattern for Push-over Analysis of Steel Moment Resisting Frame Structures with Mass Irregularity in Height اشرفی، آناهیتا Ashrafi, Anahita صنعتی شریف 1395 تحلیل استاتیکی غیرخطی Nonlinear Static Analysis / الگوی بار جانبی Lateral Load Pattern / تحلیل دینامیکی غیرخطی Nonlinear Dynamic Analysis / نامنظمی در ارتفاع Vertical Irregularity / نامنظمی جرمی Mass Irregularity / قاب خمشی فولادی Steel Moment Resistant Frame / تحریک لرزه ای Seismic Excitation
‭53-49703
17 مقاله Experimental and numerical study on choosing proper pulse shapers for testing concrete specimens by split hopkinson pressure bar apparatus Bagher Shemirani, A. Elsevier Ltd, 2016 Concrete.
Split Hopkinson pressure bar.
Bridge decks.
Compressive strength.
Concrete testing.
Concretes.
Mechanical testing.
Pulse shaping.
Wave propagation.
Constant strain rate.
Cross sectional area.
Dynamic compressive strengths.
Effective parameters.
Experimental and numerical studies.
Pulse shaper.
Split Hopkinson pressure bars.
Split-hopkinson pressure bar apparatus.
Strain rate.
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18 مقاله Enhancement of bond characteristics of ribbed-surface GFRP bars with concrete by using carbon fiber mat anchorage Ashrafi, H. 2017 Anchorage.
Bar slip.
Bond strength.
Carbon fiber mat anchorage.
Confinement.
Glass fiber reinforced polymer (GFRP)
Anchorages (foundations)
Beams and girders.
Bond strength (materials)
Carbon fibers.
Compressive strength.
Concretes.
Fiber reinforced plastics.
Fibers.
Glass.
Glass fiber reinforced plastics.
Glass fibers.
Plasma confinement.
Polymers.
Reinforced plastics.
Reinforcement.
Steel fibers.
Tensile stress.
Bond characteristics.
Development length.
Empirical expression.
Fiber reinforced polymers.
Glass fiber reinforced polymer.
Glass-fiber reinforced polymer bars.
Pullout.
Ultimate tensile stress.
Reinforced concrete.
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19 مقاله Tensile properties of GFRP laminates after exposure to elevated temperatures: Effect of fiber configuration, sample thickness, and time of exposure Ashrafi, H. Elsevier Ltd, 2020 Chopped strand mat.
Elevated temperatures.
Randomly distributed fibers.
Unidirectional fiber.
Fibers.
Tensile strength.
Tensile testing.
Elevated temperature.
GFRP laminates.
Randomly distributed.
Unidirectional fibers.
Woven fibers.
Laminates.
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20 مقاله An elliptical nanoantenna array plasmonic metasurface for efficient solar energy harvesting Ashrafi-Peyman, Z. Nanoscale, 2024 Aluminum nitride.
Cost effectiveness.
Energy harvesting.
Finite difference time domain method.
Gallium nitride.
High temperature applications.
III-V semiconductors.
Light absorption.
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Total 2801 records