Sharif Digital Repository

Polyethylene quality control in an industrial scale fluidized bed reactor

Author

Vahidi, O.

Publisher

National Institute of Science Communication and Information Resources (NISCAIR),

Pub. Year

2018

Subjects

Fluidized bed reactor. / Inferential control. / Polyethylene quality control. / Ratio control. / Two-phase model.

Time-dependent estimation of origin–destination matrices using partial path data and link counts

Author

Vahidi, M.

Publisher

Springer,

Pub. Year

2023

Subjects

Least squares model. / LSQR algorithm. / Time-dependent origin–destination matrices estimation. / Variance–covariance matrices. / Vehicle identification data.

Does the short-term boost of renewable energies guarantee their stable long-term growth? Assessment of the dynamics of feed-in tariff policy

Author

Milad Mousavian, H.

Publisher

Elsevier Ltd,

Pub. Year

2020

Subjects

Feed-in tariff. / Policy resistance. / Social acceptance. / System dynamics. / Budget control. / Finance. / Electricity-consumption. / Financial managements. / Integrated frameworks. / Long-term growths. / Potential investors. / Renewable energies. / Resistance behaviors. / Alternative energy. / Assessment method. / Computer simulation. / Design. / Energy efficiency. / Financial crisis. / Fuel consumption. / Governance approach. / Investment. / Socioeconomic conditions. / Tariff structure. / Iran.

Porous gelatin/poly(ethylene glycol) scaffolds for skin cells

Author

Vahidi, M.

Pub. Year

2017

Subjects

PEG. / Skin cells. / Biocompatibility. / Biomechanics. / Blending. / Cell culture. / Cells. / Crosslinking. / Cytology. / Degradation. / Ethylene. / Ethylene glycol. / Fibroblasts. / Forestry. / Gelation. / Mechanical properties. / Polyethylene glycols. / Polyols. / Pore size. / Stem cells. / Cross linking agents. / Freezing temperatures. / Gelatin. / Human skin fibroblast. / Physical and mechanical properties. / Pore interconnectivity. / Porous scaffold. / Solution concentration. / Scaffolds (biology)

Control of a fluidized bed polyethylene reactor

Author

Vahidi, O.

Pub. Year

2008

Subjects

Fluidized bed reacto. / Two phase model. / Polyethylene. / PID control. / Dynamic simulation.

Methods of reducing magnetic field near the transmission lines

Author

Porkar, B.

Pub. Year

2003

Subjects

Compacted line. / Magnetic field reduction. / Phase split. / Shielding. / Transmission lines.

Effect of particle size on the microstructure of rapidly solidified Al-20Si-5Fe-2X (X = Cu, Ni, Cr) powder

Author

Rajabi, M.

Pub. Year

2008

Subjects

Alloying elements. / Chromium. / Copper. / Copper alloys. / Grain size and shape. / Iron. / Microcrystalline silicon. / Microstructure. / Nickel. / Nickel alloys. / Particle size. / Powders. / Rapid solidification. / Silicon. / Average diameter. / Metals and alloys. / Primary Si. / Rapidly solidified. / Aluminum.

Microstructural features of rapidly solidified Al-20Si-5Fe-2X(X=Cu, Ni, Cr) powders

Author

Rajabi, M.

Publisher

European Powder Metallurgy Association (EPMA),

Pub. Year

2007

Subjects

Alloying elements. / Intermetallics. / Iron alloys. / Iron compounds. / Microstructural evolution. / Microstructure. / Morphology. / Nickel. / Particle size. / Powder metallurgy. / Powders. / Rapid solidification. / Silicon. / Soldering alloys. / Al-Si eutectic. / Microstructural features. / Microstructural refinement. / Particle size effect. / Powder particles. / Primary silicon. / Rapidly solidified. / Secondary phase. / Aluminum.

Application of an amino-functionalized MIL-53(Al) MOF as an efficient, selective, and durable adsorbent for SO2removal

Author

Noushadi, A.

Publisher

Elsevier Ltd,

Pub. Year

2022

Subjects

Adsorption. / Flue gas desulfurization. / Metal-organic framework (MOF) / Carbon dioxide. / Crystal structure. / Durability. / Flue gases. / Flues. / Gas adsorption. / Acidic components. / Adsorption capacities. / Al-metal. / CO2removal. / Flue gas desulphurization. / Functionalized. / Gas desulfurization. / Industrial facilities. / Metal-organic framework. / Metalorganic frameworks (MOFs) / Sulfur dioxide.

Mechanical response of single and double-helix SMA wire ropes

Author

Vahidi, S.

Publisher

Taylor and Francis Ltd,

Pub. Year

2022

Subjects

Optimization. / Shape memory alloy. / Shape memory effect. / Wire rope. / Shape-memory alloy. / Shear flow. / Shear stress. / Subroutines. / Cable components. / Double helix. / Implicit solutions. / Mechanical behavior. / Mechanical response. / Optimisations. / Phenomenological models. / Shape memory alloy wire. / Shape-memory effect. / Superelasticity. / ABAQUS.

Effect of anode compositions on the current efficiency of zinc electrowinning

Author

Dashti, S.

Pub. Year

2011

Subjects

Power consumption. / Taguchi method. / Acid concentrations. / Alloy compositions. / Anode composition. / Current efficiency. / Investigate effects. / Morphological effects. / Zinc concentration. / Zinc electrowinning. / Binary alloys. / Calcium. / Current density. / Electric power utilization. / Electrodes. / Electrolytes. / Experiments. / Lead. / Metallurgy. / Optimization. / Silver. / Silver alloys. / Sulfur determination. / Taguchi methods. / Tin. / Zinc. / Fluidized bed combustion.

Complexity of computing the anti-ramsey numbers for paths

Author

Amiri, S. A.

Publisher

Schloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing,

Pub. Year

2020

Subjects

Algorithm. / Anti-Ramsey. / Approximation. / Coloring. / ETH. / NP-hard. / Approximation algorithms. / Clustering algorithms. / Color. / Graph algorithms. / Graphic methods. / NP-hard. / Structural properties. / 3-partite graphs. / Extremal. / Hardness of approximation. / Linear-time algorithms. / Parametrizations. / Ramsey numbers. / Sub-exponential algorithms. / Trees (mathematics)

A reinforcement learning approach to find optimal propulsion strategy for microrobots swimming at low reynolds number

Author

Jebellat, I.

Pub. Year

2024

Subjects

Machine learning. / States and actions. / Data communication equipment. / Degrees of freedom (mechanics) / Learning systems. / Medical applications. / Reynolds number. / Robots. / Spheres. / Basic coding. / Low Reynolds number. / Machine-learning. / Micro robots. / Micro-swimmer. / Propulsion strategy. / Reinforcement learning approach. / Reinforcement learnings. / Smart microswimmer. / State and action. / Reinforcement learning.