Sharif Digital Repository

Wide-band high-efficiency Ku-band power amplifier

Author

Yousefi, A.

Pub. Year

2014

Subjects

Amplifiers (electronic) / Broadband amplifiers. / Design. / Efficiency. / Frequency bands. / Heterojunction bipolar transistors. / High electron mobility transistors. / Semiconducting aluminum compounds. / Average power. / Competitive performance. / Design procedure. / High-efficiency. / Large-signals. / Output power. / Output power and efficiencies. / Pseudomorphic high electron mobility transistors. / Power amplifiers.

Effects of free quartz on mechanical behaviour of kaolinite based geopolymers

Author

Yousefi, E.

Pub. Year

2011

Subjects

Alkali activated cements. / Calcination temperature. / Crack growth. / Fine particles. / Geopolymer matrix. / High hardness. / High-content. / Kaolinite clay. / Mechanical behaviour. / Positive effects. / Quartz particles. / Amorphous materials. / Calcination. / Cements. / Clay. / Geopolymers. / Inorganic polymers. / Kaolin. / Kaolinite. / Mechanical engineering. / Quartz. / Scanning electron microscopy. / Compressive strength.

A Task-Based Greedy Scheduling Algorithm for Minimizing Energy of MapReduce Jobs

Author

Yousefi, M.H.N.

Publisher

Springer Netherlands,

Pub. Year

2018

Subjects

Big data. / Energy-aware. / MapReduce. / Clustering algorithms. / Data handling. / Energy utilization. / Environmental impact. / Integer programming. / Job shop scheduling. / Multiprocessing systems. / Optimal systems. / Power management. / Scheduling. / Scheduling algorithms. / Energy aware. / Greedy scheduling algorithms. / Heterogeneous environments. / Heterogeneous systems. / Map-reduce. / Open source implementation. / Service Level Agreement (SLA) / Total energy consumption.

The double dividend of a joint tariff and VAT reform: Evidence from Iran

Author

Yousefi, K.

Publisher

Oxford University Press,

Pub. Year

2023

Subjects

Chains effect. / Tariffs. / Tax compliance. / Trade liberalization. / Value added tax.

Optimal configuration of low-grade waste heat driven seawater desalination using data envelopment analysis: a case study of industrial application

Author

Yousefi, P.

Pub. Year

2024

Subjects

Waste heat recovery. / Data envelopment analysis. / Desalination. / Distillation. / Investments. / Petroleum refineries. / Seawater. / Waste heat. / Waste heat utilization. / Water filtration. / Water supply. / Desalination plant. / Heat recovery systems. / Heat-driven. / Low-grade waste heat. / Multi stage flash. / Multi-effects distillation. / Oil refineries. / Seawater desalination. / Thermal desalination. / Waste-heat recovery. / Population statistics.

Efficient and practical protocol for silylation of hydroxyl groups using reusable lithium perchlorate dispread in silica gel under neutral condition [electronic resource] / N. Azizi, R. Yousefi, M. R. Saidi.

Author

Azizi, N. (Najmodin).

Subjects

LP-SiO2. / Silylation. / Hexamethyldisilazane. / Recycling. / Hydroxyl group. / Regioselective. / Alcohol. / Phenol. / Lithium perchlorate. / Silica gel.

Statistical analysis for enzymatic decolorization of acid orange 7 by Coprinus cinereus peroxidase

Author

Yousefi, V.

Pub. Year

2010

Subjects

Acid orange 7. / Decolorization. / Peroxidase. / Acid orange 7. / ANOVA analysis. / Central composite designs. / Complex systems. / Concentration of. / Coprinus cinereus. / Dye concentration. / Factorial design. / Factorial methods. / Fungal peroxidase. / Initial concentration. / Initial dye concentration. / One-factor. / Optimized conditions. / Optimum conditions. / pH value. / Response surface analysis. / Response Surface Methodology. / Second-order polynomial. / Significant factors. / Statistical analysis. / Statistical optimization. / Acids. / Azo dyes. / Complexation. / Enzyme activity. / Statistical methods. / Surface analysis. / Surface properties. / Concentration (process) / Dye. / Fungus. / Hydrogen peroxide. / Microbial activity. / PH. / Temperature effect. / Variance analysis. / Coprinopsis cinerea. / Coprinus.

Correlation and prediction of small to large sized pharmaceuticals solubility, and crystallization in binary and ternary mixed solvents using the UNIQUAC-SAC model

Author

Yousefi Seyf, J.

Publisher

Elsevier B.V,

Pub. Year

2020

Subjects

Combined cooling and anti-solvent crystallization. / Pharmaceuticals solubility. / Solvent screening. / UNIQUAC-SAC. / Conceptual design. / Crystallization. / Graphical user interfaces. / Solubility. / Anti-solvent crystallization. / Cooling crystallization. / Correlation and prediction. / Graphical user interfaces (GUI) / Pharmaceutical process. / Segment activity coefficients. / Thermodynamic framework. / Universal quasi chemicals. / Solvents.

Rank minimization using sums of squares of nonnegative matrices

Author

Sadati, N.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2006

Subjects

Computational complexity. / Linear matrix inequalities. / Linear systems. / Optimization. / Polynomials. / Problem solving. / Inequality constraint. / Matrix rank minimization. / Nonnegative matrices. / Polynomial formulization. / Relaxation processes.

Parametrization of PC-SAFT EoS for solvents reviewed for use in pharmaceutical process design: VLE, LLE, VLLE, and SLE Study

Author

Yousefi Seyf, J.

Publisher

American Chemical Society,

Pub. Year

2022

Subjects

Association reactions. / Binary mixtures. / Design. / Equations of state of liquids. / Liquids. / Phase equilibria. / Process design. / Solubility. / Systems (metallurgical) / Binary systems. / Equation-of-state. / Interaction parameters. / Liquid liquid equilibrium. / Parametrizations. / PC-SAFT. / Perturbed-chain statistical associating fluid theories. / Pharmaceuticals process. / SAFT model. / Vapor + liquid equilibria. / Solvents.

Modeling and control of ionic polymer-metal composite structures

Author

Yousefi Koma, A.

Pub. Year

2006

Subjects

Active vibration controls. / Actuator technology. / Electrical modeling. / Ionic polymer metal composites. / Ionic polymer-metal composite actuators. / Ipmc. / Mechanical flexibility. / Modeling and control. / Actuators. / Equivalent circuits. / Hydraulic equipment. / Polymers. / Proportional control systems. / Structure (composition) / Mechanical actuators.