Sharif Digital Repository

Crystallization behavior of mica glass-ceramics with nanophase structure

Author

Ghasemzadeh, M.

Pub. Year

2012

Subjects

Crystallization kinetics. / Fluorphlogopite. / Glass ceramics. / Machinability.

Role of MgF2 on properties of glass-ceramics

Author

Ghasemzadeh, M.

Publisher

Springer,

Pub. Year

2012

Subjects

Crystallization activation energy. / Crystallization temperature. / Glass samples. / High concentration. / Nonisothermal. / Phlogopite. / Synergistic effect. / Activation energy. / Crystallization kinetics. / Machinability. / Mica. / Glass ceramics.

Effect of different additives on the properties of alumina-spinel castables

Author

Ghasemzadeh, M.

Pub. Year

2012

Subjects

Alumina-spinel. / Microsilica. / Refractory castables.

The effects of CaF2 in mica glass-ceramics

Author

Ghasemzadeh, M.

Pub. Year

2013

Subjects

Crystallization kinetics. / Glass ceramics. / Machinability. / Crystalline phase. / Crystallization activation energy. / Kinetics of phase transformation. / Mica crystals. / Nonisothermal. / Nucleation agents. / Phlogopite. / Synergistic effect. / Activation energy. / Diffusion in solids. / Microstructure. / Mica.

Effects of nucleation agents on the preparation of transparent glass-ceramics

Author

Ghasemzadeh, M.

Publisher

Elsevier,

Pub. Year

2012

Subjects

Basic composition. / Crystallization behavior. / Crystallization temperature. / Fine grains. / Large-grain. / Microstructure-final. / Nano-size. / Nucleation agents. / Transparent glass ceramics. / Glass. / Glass ceramics. / Optical properties. / Phase separation. / Refractive index. / Secondary batteries. / Nucleation.

A Corporate Supply Optimizer with flow network

Author

Sepehri, M.

Pub. Year

2010

Subjects

Linear programming. / Optimizer. / Central-entity. / Coordination mechanisms. / Corporate supply. / Customer demands. / Engine models. / Multiple products. / Overall costs. / Simulation result. / Total costs. / Costs. / Linear programming. / Optimization. / Supply chain management. / Supply chains. / Computer simulation. / Flow pattern.

Fast-swelling superabsorbent hydrogels from poly(2-hydroxy ethyl acrylate-co-sodium acrylate) grafted on starch

Author

Pourjavadi, A.

Pub. Year

2008

Subjects

Copolymerization. / Graft copolymers. / Polyacrylates. / Solutions. / Starch. / 2-Hydroxyethyl acrylate. / Graft copolymerization. / Sodium acrylates. / Superabsorbents. / Hydrogels.

Salt- and pH-resisting collagen-based highly porous hydrogel

Author

Pourjavadi, A.

Pub. Year

2008

Subjects

Fourier transform infrared spectroscopy. / pH effects. / Porous materials. / Salts. / Scanning electron microscopy. / Hydrolyzed collagen. / Methylpropanesulfonic acid (AMPS) / Salt-resisting. / Hydrogels.

Synthesis, characterization and swelling behavior of chitosan-sucrose as a novel full-polysaccharide superabsorbent hydrogel

Author

Pourjavadi, A.

Pub. Year

2008

Subjects

Agents. / Amines. / Chemical oxygen demand. / Chitin. / Chitosan. / Colloids. / Concentration (process) / Fourier transform infrared spectroscopy. / Gravimetric analysis. / Hydrocarbons. / Microscopic examination. / Oxidation. / pH effects. / Photoresists. / Polysaccharides. / Sugar (sucrose) / Synthesis (chemical) / Thermogravimetric analysis. / Bioactive agents. / Controlled deliveries. / Crosslinker concentrations. / Crosslinking agents. / FTIR spectroscopies. / Hydrogel networks. / Inorganic salts. / Periodate oxidation. / Periodate oxidations. / pH sensitivities. / Polysaccharide hydrogels. / Potential applications. / Smart hydrogels. / Sucrose. / Superabsorbent. / Superabsorbent hydrogels. / Swelling behaviors. / Thermal stabilities. / Hydrogels. / Cross linking agent. / Hydrogel. / Scanning electron microscopy. / Swelling. / Synthesis. / Thermal stability.

Temperature sensitive superabsorbent hydrogels from poly(N-t-butyl acrylamide-co-acrylamide) grafted on sodium alginate

Author

Pourjavadi, A.

Pub. Year

2008

Subjects

Acrylic monomers. / Amides. / Atom transfer radical polymerization. / Chemical reactions. / Colloids. / Gravimetric analysis. / Hydrogels. / Monomers. / Photoresists. / Polymerization. / Polymers. / Scanning electron microscopy. / Sodium. / Thermogravimetric analysis. / Acrylamide. / Applied pressures. / Chemical structures. / Cross linkers. / Crossllnking. / Distilled waters. / IR spectroscopies. / Methylenebisacrylamide. / Mole ratios. / pH solutions. / Radical polymerization. / Rate parameters. / Sodium alginates. / Superabsorbent hydrogels. / Swelling behaviors. / Swelling kinetics. / Swelling properties. / Temperature sensitives. / Under loads. / Weight ratios. / Free radical polymerization.

E-policy making: A system approach based on evaluting ICT's impacts

Author

Mohamadian, A.

Pub. Year

2006

Subjects

Conceptual frameworks. / Policy making. / System approach. / Conceptual design. / Decision making. / Economic and social effects. / Mathematical models. / Information technology.

A novel and low-energy PKC-based key agreement protocol for WSNs

Author

Ghasemzadeh, H.

Publisher

IEEE Computer Society,

Pub. Year

2013

Subjects

Broadcast authentication. / Security of data. / Public Key cryptography. / WSN. / Authentication. / Energy utilization. / Key management. / Authentication scheme. / Key agreement protocol. / Key management systems. / Reducing energy consumption. / Secure communications.

A queueing approach to production-inventory planning for supply chain with uncertain demands: Case study of PAKSHOO Chemicals Company

Author

Teimoury, E.

Pub. Year

2010

Subjects

Capacitated lot sizing problem. / Chemicals companies. / Computationally efficient. / Customer loyalty. / Decoupling point. / Demand uncertainty. / Environmental change. / Inventory planning. / Inventory systems. / Inventory-queue. / Lead time. / Lost sale. / Make-to-stock. / Multi-item. / Optimal production quantity. / Optimal values. / Poisson process. / Product warehouse. / Production Planning. / Production policy. / Safety stock. / Set-up time. / Strategic decision making. / Uncertain demand. / Warehouse capacity. / Algorithms. / Customer satisfaction. / Decision making. / Industry. / Optimal systems. / Optimization. / Poisson distribution. / Production control. / Sales. / Supply chain management. / Uncertainty analysis. / Warehouses. / Supply chains.

CMC/celite superabsorbent composites: Effect of reaction variables on saline-absorbency under load

Author

Pourjavadi, A.

Pub. Year

2010

Subjects

Hydrogels. / Absorbency under load. / Aqueous solutions. / Celite. / Chemical structure. / Composite hydrogels. / Composite samples. / Composites. / Cross linking agents. / Crosslinker. / FTIR spectroscopy. / Graft copolymerization. / Ionic monomers. / N ,N'-methylenebisacrylamide. / NaCl solution. / Persulphate. / Reaction variables. / SEM. / Super absorbent. / Superabsorbent composites. / Weight ratios. / Carboxylic acids. / Cellulose. / Composite materials. / Fourier transform infrared spectroscopy. / Grafting (chemical) / Industrial applications. / Monomers. / Organic acids. / Scanning electron microscopy. / Sodium chloride. / Solutions. / Thermodynamic properties. / Acrylic acid. / Ammonium compounds. / Carboxymethyl cellulose. / Copolymerization. / Cross linking. / Graft copolymers. / Gravimetry. / Swelling. / Synthesis. / Thermal Properties.