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Article
Numerical solution of distributed-order fractional Korteweg-de Vries equation via fractional Zigzag rising diagonal functions
The goal of this article is to develop a spectral collocation method for solving a distributed-order fractional Korteweg-de Vries equation using fractional Zigzag rising diagonal functions. To meet this target...
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Article
An Investigation on the Inhibition Behavior of Anodic Inhibitors on St37 Carbon Steel in Closed-Circuit Cooling Water
In this study, the effect of hexamine, sodium nitrite, sodium benzoate, and trisodium phosphate corrosion inhibitors concentration on corrosion resistance of St37 carbon steel was studied (at 45 °C in closed-c...
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Article
Application of Pell collocation method for solving the general form of time-fractional Burgers equations
This paper provides a fruitful and effective spectral scheme based on the two-dimensional Pell collocation method for treating of nonlinear time-fractional Burgers equations with variable coefficients. The fra...
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Article
A difference scheme based on cubic B-spline quasi-interpolation for the solution of a fourth-order time-fractional partial integro-differential equation with a weakly singular kernel
This paper presents a difference scheme by considering cubic B-spline quasi-interpolation for the numerical solution of a fourth-order time-fractional integro-differential equation with a weakly singular kerne...
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Article
A fast collocation method for solving the weakly singular fractional integro-differential equation
In the present paper, we propose a spectral collocation method based on Pell polynomials to obtain the solution of a variable-order fractional integro-differential equation with a weakly singular kernel. Fract...
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Article
An Efficient Non-standard Finite Difference Scheme for Solving Distributed Order Time Fractional Reaction–Diffusion Equation
In this article, a nonstandard finite difference scheme is proposed for solving the distributed order time-fractional reaction–diffusion equation. In this equation, the time-fractional derivative is defined in...
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Article
Establishing the Cause of Failure in a Secondary Reformer Nozzle in an Ammonia Plant
In this study, the cause of a severe failure and degradation of a nozzle in a secondary reformer unit in an ammonia plant was investigated. The nozzle was made of Incoloy 800H and exposed to harsh atmospheres ...
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Article
High-Temperature Oxidation and Wear Behavior of (Fe,Cr)Al Intermetallic Compound and (Fe,Cr)Al-Al2O3 Nanocomposites
In the current study, oxidation and wear resistance of FeAl and (Fe,Cr)Al intermetallic compounds as well as (Fe,Cr)Al-5%vol Al2O3 and (Fe,Cr)Al-10%vol Al2O3 nanocomposites were investigated. Ball-milled powders ...
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Article
Application of Adaptive Neuro-Fuzzy Inference System for Prediction of Neutron Yield of IR-IECF Facility in High Voltages
This paper presents a soft computing based artificial intelligent technique, adaptive neuro-fuzzy inference system (ANFIS) to predict the neutron production rate (NPR) of IR-IECF device in wide discharge curre...
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Article
Effect of low-molecular-weight organic acids on kinetics release and fractionation of phosphorus in some calcareous soils of western Iran
Organic acid has been related to nutrient mobilization, mainly in phosphorus (P) insoluble utilization, and therefore enhances P bioavailability. In this study, we examined the effect of low-molecular-weight o...
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Article
Application of artificial neural network and optimization algorithms for optimizing surface roughness, tool life and cutting forces in turning operation
Our goal is to propose a useful and effective method to determine optimal machining parameters in order to minimize surface roughness, resultant cutting forces and maximize tool life in the turning process. At...
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Article
Use of post-stratification in composite sampling for estimating mean
We show with the results of a study conducted in the Hamadan Province, Iran as to how the use of composite sampling for estimating mean zinc concentration in the soil can help reduce analytical costs by reduci...
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Article
Intradural nerve root hematoma in the lumbar spine. A case report
Intradural nerve root hematoma of the lumbar spine is extremely rare and can cause compression of the cauda equina. This case, which presented with low back pain and radiation to both lower extremities, diagno...
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Article
Intraosseous schwannoma of T12 with burst fracture of L1
Intraosseous schwannoma of T12 with burst L1 fracture is extremely rare. Here we present a report of the successful treatment and 18-month follow-up of a 46-year-old man with this complication.
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Article
Lumbar spine fusion and pedicle fixation with C-D screws for lumbar iatrogenic instability
In this retrospective study, ten patients with lumbar iatrogenic instability are reported who were treated by pedicular fixation and bone grafting with an average follow-up of 18 months. Early results, which a...
