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Total 18092 records
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# Type Title Author Publisher Pub. Year Subjects Call Number
1 مقاله A lightweight key establishment scheme for wireless sensor networks Nikounia, S. H. 2009 Security.
Communication overheads.
Key establishments.
Key management.
Key pre-distribution.
Key predistribution scheme.
Lightweight key establishment.
Local connectivity.
Location information.
Memory usage.
Secret key.
Storage overhead.
Sensor networks.
Sensor nodes.
Telecommunication equipment.
Wireless sensor networks.
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2 پایان نامه مدیریت کلید آگاه به مکان در شبکه های حسگر بی سیم Location-aware Key Management in Wireless Sensor Networks نیکونیا، سید حسین Nikounia, Hossein صنعتی شریف 1388 امنیت Security / شبکه حسگر Sensor Network / مدیریت کلید Key Management / تجدید کلید Rekeying
‭19-39866
3 مقاله Trajectory following of a micro motion stage based on closed-loop FEM simulation Shahidi, A. 2008 Flexure hinges.
Micro motion stage.
Ultra fine positioning systems.
Closed loop systems.
Degrees of freedom (mechanics)
Finite element method.
Piezoelectric actuators.
Motion compensation.
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4 مقاله Ricci-based chaos analysis for roto-translatory motion of a Kelvin-type gyrostat satellite Abtahi, S. M. 2014 Chaos.
Earth satellite system.
Lyapunov exponent.
Ricci curvature.
Riemannian manifold.
Canonical transformation.
Complex hamiltonians.
Hamiltonian approach.
Heteroclinic bifurcations.
Satellite system.
Chaos theory.
Communication satellites.
Equations of motion.
Geometry.
Lyapunov functions.
Lyapunov methods.
Hamiltonians.
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5 مقاله Improving ITIL strategic alignment approach using COBIT framework Esmaili, H. B. 2010 Business-IT.
COBIT 4.1.
Control objectives.
IT governance.
IT service management.
ITIL v3.
Operational level.
Strategic alignment.
Electronic commerce.
Alignment.
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6 مقاله Nonlinear analysis and attitude control of a gyrostat satellite with chaotic dynamics using discrete-time LQR-OGY Abtahi, S. M. Wiley-Blackwell, 2016 Chaos.
Discrete-time LQR.
OGY controller.
Attitude control.
Chaos theory.
Control systems.
Energy utilization.
Feedback linearization.
Linearization.
Nonlinear analysis.
Orbits.
Satellites.
Support vector machines.
Discrete time.
Gyrostat satellite.
Least square support vector machines.
Linear quadratic regulator.
Ott-Grebogi-Yorke methods.
Quasi-periodic.
Quasi-periodicities.
Quaternion feedback.
Controllers.
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7 مقاله Experimental identification of closely spaced modes using NExT-ERA Hosseini Kordkheili, S. A. Academic Press, 2018 Closely spaced modes.
Experimental identification.
Time domain OMA method.
Codes (symbols)
Modal analysis.
Structural dynamics.
Correlation function.
NExT-ERA method.
Time domain.
Time domain analysis.
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8 مقاله Trajectory following of a micro motion stage based on closedloop fem simulation Shahidi, A. American Society of Mechanical Engineers (ASME), 2007 Actuators.
Compliant mechanisms.
Finite element method.
Hinges.
Jacobian matrices.
Mechanisms.
Nanosystems.
Piezoelectricity.
Position control.
Analytical approach.
FEM simulations.
Micromotion stage.
Optimum selection.
Parametric modeling.
Piezoelectric stack actuators.
Specified trajectories.
Trajectory following.
Piezoelectric actuators.
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9 مقاله Design and development of a miniaturized roto-translational motion platform for microaerial vehicle identification Abdollahi, M. R. IEEE, 2024 5 Degree-of-freedom.
Micro aerial vehicle.
Motion platform.
System identification.
Wind tunnel test.
Integrated circuit design.
Kalman filters.
Micro air vehicle (MAV)
Structural dynamics.
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10 مقاله Iterative histogram matching algorithm for chromosome image enhancement based on statistical moments Ehsani, S. P. IEEE, 2012 Chromosome karyotyping.
Contrast improvement ratio.
Banding patterns.
Chromosome image.
Computer aided.
Contrast Enhancement.
Density profile.
Determination of parameters.
Histogram matching.
Image histograms.
Improvement ratio.
Statistical moments.
Visual perception.
Algorithms.
Chromosomes.
Diagnosis.
Graphic methods.
Medical imaging.
Image matching.
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11 مقاله Chromosome image contrast enhancement using adaptive, iterative histogram matching Ehsani, S. P. 2011 Chromosome karyotyping.
Contrast improvement ratio.
Adaptive contrast enhancement.
Banding patterns.
Chromosome classification.
Chromosome image.
Constant gain.
Contrast Enhancement.
Enhancement techniques.
Histogram matching.
Image characteristics.
Image histograms.
Imaging conditions.
Improvement ratio.
Input image.
Iteration procedure.
Iteration step.
Local standard deviation.
Medical images.
Processing algorithms.
Quantitative measurement.
Visual perception.
Algorithms.
Chromosomes.
Computer vision.
Graphic methods.
Image enhancement.
Image quality.
Image segmentation.
Medical imaging.
Image matching.
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12 مقاله Energy saving in HVAC systems using nanofluid Firouzfar, E. 2011 Heat pipe.
Silver nanofluid.
Air streams.
Airconditioning systems.
Effectiveness.
Energy saving.
HVAC system.
Nano-fluid.
Thermosyphon heat exchanger.
Air conditioning.
Capillary flow.
Energy conservation.
Heat pipes.
Methanol.
Silver.
Siphons.
Nanofluidics.
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13 مقاله The large-scale dynamic maximal covering location problem Zarandi, M. H. F. 2013 Facility location.
Demand node.
Facility locations.
Large-scale dynamics.
Maximal covering location problems.
Meta heuristics.
Solution algorithms.
Combinatorial optimization.
Logistics.
Simulated annealing.
Tracking (position)
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14 مقاله Alginate/cartilage extracellular matrix-based injectable interpenetrating polymer network hydrogel for cartilage tissue engineering Shojarazavi, N. SAGE Publications Ltd, 2021 Alginate.
Biomechanics.
Cartilage.
Degradation.
Gelation.
Scaffolds (biology)
Scanning electron microscopy.
Tissue.
Articular cartilage defects.
Cartilage tissue engineering.
Extracellular matrices.
Homogeneous dispersions.
Injectable scaffolds.
Interpenetrating polymer network (IPN)
Interpenetrating polymer network hydrogels.
Response surface methodology.
Hydrogels.
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15 مقاله Adiabatic shear banding in an Al-Mg-Si alloy processed by equal channel angular pressing Vaseghi, M. 2010 Al-Mg-Si alloy.
Adiabatic shear band.
Adiabatic shear banding.
Al-Mg-Si alloys.
Cross-section area.
Effective strain.
Equal channel angular extrusion.
Large plastic deformation.
Metallic material.
Processing temperature.
Ram speed.
Room temperature.
Working temperatures.
Aluminum.
Extrusion.
Pressing (forming)
Processing.
Shear bands.
Silicon.
Silicon alloys.
Speed.
Equal channel angular pressing.
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16 مقاله The gardener problem with reservation policy and discount Sadralsharifi, S. S. Elsevier Ltd, 2018 Discount rate.
Gardener problem.
Nonlinear programming.
Reservation policy.
Tight constraint.
Budget control.
Inventory control.
Lagrange multipliers.
Newton-Raphson method.
Profitability.
Discount rates.
Inventory management.
Lagrangian multipliers.
Optimal order quantity.
Solution algorithms.
Problem solving.
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17 مقاله Anisotropy in the quasi-static and cyclic behavior of ZK60 extrusion: Characterization and fatigue modeling Pahlevanpour, A. H. Elsevier Ltd, 2018 Anisotropy.
Fatigue modeling.
Texture.
ZK60 extrusion.
Characterization.
Extrusion.
Tensile strength.
Textures.
Asymmetric behaviors.
Asymmetry.
Fatigue model.
Material parameter.
Quasi static response.
Smith-watson-topper.
Strain controlled fatigue.
Texture measurement.
Fatigue of materials.
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18 مقاله Lexicographic max-min approach for an integrated vendor-managed inventory problem Pasandideh, S. H. R. 2014 Bi-objective non-linear model.
Fair profit contract.
Lexicographic max-min approach.
Supply chain management.
Vendor managed inventory.
Decreasing functions.
Max-min.
Non-linear model.
Nondominated solutions.
Simultaneous reduction.
Single objective optimization.
Supply chain collaboration.
Vendor managed Inventory.
Manufacture.
Mathematical models.
Profitability.
Sales.
Supply chain management.
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19 مقاله Enhanced tensile properties and electrical conductivity of Cu-CNT nanocomposites processed via the combination of flake powder metallurgy and high pressure torsion methods Akbarpour, M. R. Elsevier Ltd, 2020 Carbon nanotube.
Copper.
Flake powder metallurgy.
High pressure torsion (HPT)
Nanocomposite.
Strengthening.
Carbon nanotubes.
Grain boundaries.
Metallic matrix composites.
Metals.
Nanocomposites.
Powder metallurgy.
Powder metals.
Strengthening (metal)
Tensile strength.
Torsional stress.
Cnt nano composites.
Electrical conductivity.
High electrical conductivity.
High pressure torsions.
High-tensile strength.
Interfacial bonding.
Low angle grain boundaries.
Super high strength.
Electric conductivity of solids.
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20 مقاله Determinants of career success: A case study of male teachers in secondary schools Salahudin, S. N. Ascociacion Internacional de Economia Aplicada, 2021 Career Success Factors and Secondary School Education.
Teachers.
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Total 18092 records