Sharif Digital Repository

Evaluation of behaviors of earth and rockfill dams during construction and initial impounding using instrumentation data and numerical modeling

Author

Rashidi, M.

Pub. Year

2017

Subjects

Earth and rockfill dams. / Initial impounding. / Numerical modeling. / Settlement. / Dam construction. / Finite difference method. / Impoundment. / Instrumentation. / Moisture content. / Numerical model. / Pore pressure. / Porewater. / Rockfill dam.

A two-echelon single-period inventory control problem under budget constraint

Author

Pasandideh, S. H.

Pub. Year

2011

Subjects

Lagrangian method. / Multiple raw materials. / Single product. / Single-period (newsboy) problem. / Budget constraint. / Expected profits. / Finished products. / Inventory control problems. / Lagrangian methods. / New model. / Numerical example. / Order quantity. / Budget control. / Inventory control. / Profitability. / Lagrange multipliers.

FEM elasto-plastic analysis of a new manufacturing method for covering the free surface of unidirectional composites

Author

Abedian, A.

Pub. Year

2006

Subjects

Elasticity. / Engineering research. / Finite element method. / Numerical methods. / Plasticity. / Pre-made composite. / Residual thermal stress. / Two-stage covering. / Unidirectional composites. / Composite materials.

Optimization of operating parameters and rate of uranium bioleaching from a low-grade ore

Author

Rashidi, A.

Pub. Year

2014

Subjects

Acidithiobacillus ferrooxidans. / Bioleaching. / Dissolution rate. / Optimization. / Uranium. / Ferric ion. / Bacterial growth. / Controlled study. / Dissolution. / Extraction. / Growth rate. / Iran. / Nonhuman. / Particle size. / PH. / Response surface method. / Temperature. / Uranium mine.

Experimental assessment of convective heat transfer coefficient enhancement of nanofluids prepared from high surface area nanoporous graphene

Author

Naghash, A. S.

Publisher

Elsevier Ltd

Pub. Year

2016

Subjects

Nanofluid. / Nanoporous graphene. / Deionized water. / Graphene. / Heat transfer. / Heat transfer coefficients. / Laminar flow. / Nanofluidics. / Reynolds number. / Thermal conductivity. / Convective heat transfer. / Convective heat transfer coefficient. / Developing regions. / Experimental assessment. / High surface area. / Nano-porous. / Nanofluids. / Temperature increase. / Heat convection.

Persian handwritten digit recognition by random forest and convolutional neural networks

Author

Zamani, Y.

Publisher

IEEE Computer Society

Pub. Year

2015

Subjects

Machine learning. / Persian digits. / Artificial intelligence. / Computer vision. / Convolution. / Decision trees. / Image processing. / Learning systems. / Neural networks. / Convolutional neural network. / Handwritten digit recognition. / Hoda dataset. / Persians. / Random forests. / Character recognition.

Artificial intelligence techniques for modeling and optimization of the HDS process over a new graphene based catalyst

Author

Hajjar, Z.

Publisher

Taylor and Francis Ltd,

Pub. Year

2016

Subjects

Genetic algorithm. / Graphene. / Hydrodesulfurization. / Nanocatalysis. / Neural network.

Optimizing parameters affecting synthesis of a novel Co–Mo/GO catalyst in a Naphtha HDS reaction utilizing D-optimal experimental design method

Author

Hajjar, Z.

Pub. Year

2017

Subjects

Co–Mo/graphene oxide catalyst. / D-optimal experimental design. / HDS. / Naphtha. / Characterization. / Chelation. / Field emission microscopes. / Graphene. / Impregnation. / Inductively coupled plasma. / Metals. / Naphthas. / Scanning electron microscopy. / Statistics. / Temperature programmed desorption. / X ray diffraction. / Catalytic performance. / D-optimal. / Field emission scanning electron microscopy. / Incipientwetness impregnation. / Inductively coupled plasma (ICP) / Oxide catalysts. / Surface area measurement. / Synthesized materials. / Catalysts.

Bi-objective optimization of multi-server intermodal hub-location-allocation problem in congested systems: modeling and solution

Author

Rashidi Kahag, M.

Publisher

SpringerOpen,

Pub. Year

2019

Subjects

Entropy-TOPSIS method. / Intermodal P-hub median problem. / Multi-objective invasive weed optimization. / Queuing systems.

Geometric parameters and response surface methodology on cooling performance of vortex tubes

Author

Nouri borujerdi, A.

Publisher

Taylor and Francis Ltd

Pub. Year

2016

Subjects

Cooling performance of Ranque–Hilsch vortex tube. / Cooling. / Geometry. / Nozzles. / Regression analysis. / Surface properties. / Central composite face-centred designs. / Cooling performance. / Energy separations. / Geometric parameters. / Good correlations. / Influencing parameters. / Length/diameter ratios. / Response surface methodology. / Vortex flow.

A joint model for trip purpose and escorting patterns of the disabled

Author

Ermagun, A.

Publisher

Elsevier Ltd,

Pub. Year

2016

Subjects

Activity purpose. / Escort pattern. / Joint decisions. / Persons with disabilities.

Geometric parameters and response surface methodology on cooling performance of vortex tubes

Author

Nouri Borujerdi, A.

Publisher

Taylor and Francis Ltd,

Pub. Year

2017

Subjects

Central composite face-centred design. / Cooling performance of Ranque–Hilsch vortex tube. / Cooling. / Geometry. / Nozzles. / Regression analysis. / Surface properties. / Central composite face-centred designs. / Cooling performance. / Energy separations. / Geometric parameters. / Good correlations. / Influencing parameters. / Length/diameter ratios. / Response surface methodology. / Vortex flow. / Composite. / Design. / Experimental study. / Instrumentation.

Preparation of activated carbon dots from sugarcane bagasse for naphthalene removal from aqueous solutions

Author

Eslami, A.

Publisher

Taylor and Francis Inc,

Pub. Year

2018

Subjects

Carbon dots. / equilibrium. / kinetics. / Activated carbon. / Adsorption. / Bagasse. / Chemical activation. / Enzyme kinetics. / Field emission microscopes. / Fourier transform infrared spectroscopy. / Phase equilibria. / Potassium hydroxide. / Scanning electron microscopy. / Solutions. / Thermogravimetric analysis. / Environmental-friendly. / Field emission scanning electron microscopy. / KOH activation. / Naphthalene removal. / Pseudo-second order model. / Sugar-cane bagasse. / System variables. / Naphthalene.

Hybrid nano-adsorbent supported carbon dots for removal of chromium from aqueous solution

Author

Eslami, A.

Publisher

Desalination Publications,

Pub. Year

2018

Subjects

Aqueous solution. / Carbon dots. / Hexavalent chromium. / Hybrid Fe. / Nano adsorbent.

Simulation of the Positron Emission Mammography system based on the Monte Carlo method by considering the effects of Time Of Flight (TOF) and Depth Of Interaction (DOI)

Author

Rashidi, M.

Publisher

Elsevier B.V,

Pub. Year

2022

Subjects

Breast cancer. / DOI. / GATE. / PEM. / TOF.

A highly efficient MIL-101(Cr)–Graphene–molybdenum oxide nano composite for selective oxidation of hydrogen sulfide into elemental sulfur

Author

Pourreza, A.

Publisher

Korean Society of Industrial Engineering Chemistry,

Pub. Year

2019

Subjects

Hydrogen sulfide. / MIL-101(Cr) / Nanocatalyst. / Selective oxidation. / Catalyst activity. / Catalyst selectivity. / Graphene. / High temperature reactors. / Hydrothermal synthesis. / Molybdenum oxide. / Nanocatalysts. / Nanocomposites. / Oxidation. / Sulfur. / Sulfur compounds. / Sulfur determination. / Elemental sulfur. / Experimental investigations. / Hybrid composites. / Nano-catalyst. / Porous graphene. / Selective oxidation of H2S.

Modeling of uranium bioleaching by Acidithiobacillus ferrooxidans

Author

Rashidi, A.

Pub. Year

2012

Subjects

Modeling. / Cell concentrations. / Chemical leaching. / Constant temperature. / Ferrous iron. / Iron precipitation. / Leaching rates. / Mesophilic. / Model equations. / Rate expression. / Uranium bioleaching. / Uranium extraction. / Iron. / Mathematical models. / Models. / Oxide minerals. / Precipitation (chemical) / Uranium. / Bioleaching. / Acidithiobacillus ferrooxidans.

Experimental research on heat transfer of water in tubes with conical ring inserts in transient regime

Author

Anvari, A. R.

Pub. Year

2011

Subjects

Conical turbulator. / Heat transfer enhancement. / Transient regime. / Experimental research. / Horizontal tubes. / Increase in pressure. / Practical use. / Transient flow. / Tube inserts. / Turbulators. / Heat transfer coefficients. / Nusselt number.

Naphtha HDS over Co-Mo/Graphene catalyst synthesized through the spray pyrolysis technique

Author

Hajjar, Z.

Publisher

Elsevier B.V,

Pub. Year

2017

Subjects

Graphene. / Heterogeneous catalysis. / Hydrodesulfurization. / Pyrolysis. / Alumina. / Catalysis. / Catalysts. / Fourier transform infrared spectroscopy. / Naphthas. / Sulfur. / Active species. / Commercial catalyst. / Commercial materials. / Composite catalysts. / High surface area. / Industrial catalyst. / Spray pyrolysis method. / Spray-pyrolysis techniques. / Spray pyrolysis.

Bi-objective optimization of multi-server intermodal hub-location-allocation problem in congested systems: modeling and solution

Author

Rashidi Kahag, M.

Publisher

SpringerOpen,

Pub. Year

2018

Subjects

Entropy-topsis method. / Intermodal P-hub median problem. / Multi-objective invasive weed optimization. / Queuing systems.