Search Results - "Keshavarz, E"
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1
A numerical solution for fractional optimal control problems via Bernoulli polynomials
Published in Journal of vibration and control (01-10-2016)“…This paper presents a new numerical method for solving fractional optimal control problems (FOCPs). The fractional derivative in the dynamic system is…”
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2
Effects of vacancies on spin-dependent behavior of monolayer and bilayer graphene nanoribbons
Published in Journal of magnetism and magnetic materials (01-11-2017)“…In this work, the effect of vacancies on magnetic properties and spin-dependent behaviors of monolayer and bilayer armchair and zigzag graphene nanoribbons is…”
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3
Separation of Re and Mo from roasting-dust leach-liquor using solvent extraction technique by TBP
Published in Separation and purification technology (15-02-2012)“…[Display omitted] ► The extraction of Re occurs at lower pH with higher extraction percentage. ► The extraction of Mo increases by pH attaining a 96% peak at…”
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4
Exact and approximation product solutions form of heat equation with nonlocal boundary conditions using Ritz–Galerkin method with Bernoulli polynomials basis
Published in Numerical methods for partial differential equations (01-07-2017)“…In this article, a new method is introduced for finding the exact solution of the product form of parabolic equation with nonlocal boundary conditions…”
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5
Interaction between TBP and D2EHPA during Zn, Cd, Mn, Cu, Co and Ni solvent extraction: A thermodynamic and empirical approach
Published in Hydrometallurgy (01-08-2009)“…The objective of this study was to investigate the synergistic effect of TBP on the system D2EHPA/kerosense/M 2+ with respect to the extraction of some…”
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6
Gestational age-specific reference values of placental thickness in normal pregnant women
Published in Women & health (09-08-2019)“…The aim of this study was to determine the reference values of the placental thickness in 400 normal pregnant women during weeks 16-41 of gestation who were…”
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7
Ultra scale-down device to predict dewatering levels of solids recovered in a continuous scroll decanter centrifuge
Published in Biotechnology progress (01-11-2013)“…During centrifugation operation, the major challenge in the recovery of extracellular proteins is the removal of the maximum liquid entrapped within the spaces…”
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8
Theoretical prediction of novel two-dimensional planar aluminum nitride allotropes: first principles calculations
Published in Indian journal of physics (01-03-2018)“…This paper uses first principles calculations based on density functional theory to predict the possibility or ability to synthesize two-dimensional planar…”
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9
A comparison between TEHA and Cyanex 923 on the separation and the recovery of sulfuric acid from aqueous solutions
Published in Hydrometallurgy (01-07-2009)“…In this study, the separation of sulfuric acid with TEHA and Cyanex 923 from acidic solutions by solvent extraction method was investigated. Extraction of…”
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10
Prediction and verification of centrifugal dewatering of P. pastoris fermentation cultures using an ultra scale-down approach
Published in Biotechnology and bioengineering (01-08-2012)“…Recent years have seen a dramatic rise in fermentation broth cell densities and a shift to extracellular product expression in microbial cells. As a result,…”
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11
Experimental Study of the Effect of Impeller Geometrical Parameters on Fluid Hydrodynamics in Copper Solvent Extraction Mixer
Published in International journal of advanced design and manufacturing technology (01-12-2017)“…Dynamic mixers are widely used in hydrometallurgical processes. Improvement in mixers’ efficiency is one of the greatest challenges in this research. The…”
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12
Step change in the efficiency of centrifugation through cell engineering: co-expression of Staphylococcal nuclease to reduce the viscosity of the bioprocess feedstock
Published in Biotechnology and bioengineering (01-09-2009)“…Cell engineering to enable step change improvements in bioprocessing can be directed at targets other than increasing product titer. The physical properties of…”
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13
Improving the Mechanical Properties and the Microstructure of Pb Electrowinning Anodes Using Accumulative Roll Bonding
Published in Transactions of the Indian Institute of Metals (01-07-2016)“…Some lead sheets were fabricated for applying as anodes in electrowinning metal production via accumulative roll bonding (ARB) technique for the first time…”
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14
DESIGNING A COMPETITIVE ADVANTAGE MODEL WITH TECHNOLOGY ORIENTED APPROACH USING FAHP TECHNIQUE: A CASE STUDY IN COIL INDUSTRY
Published in Journal of engineering science & technology (01-04-2013)“…One of the distinctive attributes of today’s successful companies is having at least one competitive advantage in one known area. Technological competency is…”
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15
Bernoulli wavelet operational matrix of fractional order integration and its applications in solving the fractional order differential equations
Published in Applied mathematical modelling (15-12-2014)“…In this paper, a new numerical method for solving fractional differential equations is presented. The fractional derivative is described in the Caputo sense…”
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16
The Taylor wavelets method for solving the initial and boundary value problems of Bratu-type equations
Published in Applied numerical mathematics (01-06-2018)“…This paper presents an efficient numerical method for solving the initial and boundary value problems of the Bratu-type. In the proposed method, the Taylor…”
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17
Kinetics of sphalerite bioleaching by Acidithiobacillus ferrooxidans
Published in Hydrometallurgy (01-11-2009)“…In the present study, the effect of some important parameters including particle size, pulp density and temperature on the rate of Zn dissolution from…”
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18
The Bernoulli wavelets operational matrix of integration and its applications for the solution of linear and nonlinear problems in calculus of variations
Published in Applied mathematics and computation (15-06-2019)“…In this paper, a new method for solving some classes of linear and nonlinear problems in calculus of variations is presented. The method is based upon…”
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19
Synergistic effect of Cyanex 272 and Cyanex 302 on separation of cobalt and nickel by D2EHPA
Published in Hydrometallurgy (01-06-2005)“…Synergistic effects of Cyanex 272 mixed with D2EHPA and Cyanex 302 mixed with D2EHPA were investigated for the separation of cobalt and nickel from a dilute…”
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20
Ultra scale-down approach for the prediction of full-scale recovery of ovine polycolonal immunoglobulins used in the manufacture of snake venom-specific Fab fragment
Published in Biotechnology and bioengineering (20-01-2003)“…In this article, we describe a new approach that allows the prediction of the performance of a large‐scale integrated process for the primary recovery of a…”
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