全部文献期刊会议图书|学者科研项目
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作者:H. Jafari , F. Rahimi ...
来源:[J].Journal of Materials Engineering and Performance(IF 0.915), 2017, Vol.26 (11), pp.5590-5598
摘要:This paper explores cast Mg-5Zn alloy, containing small amounts of yttrium (Y: 0.1-1.5 wt.%), through microstructure evaluation and tensile and hardness tests. The results reveal that addition of Y to the alloy refines microstructure, especially when secondary phases, Mg...
作者:B. Fakhr Kazemi , H. Jafari
来源:[J].Mathematical Sciences, 2017, Vol.11 (4), pp.297-305
摘要:A collocation method based on multiquadric radial basis functions is proposed for numerical solution of fractional differential equations. The fractional derivative is sense of Caputo–Fabrizio derivative. An efficient error bound of the method is also introduced in the \(L_2...
作者:H. Jafari , K. Sayin , F. Mohsenifar
来源:[J].Journal of Bio- and Tribo-Corrosion, 2017, Vol.3 (4)
摘要:Trans and cis of di-(3-hydroxybenzaldehyde)-1,2-diaminocyclohexane (DHD) have been investigated as inhibitors for corrosion of steel in 1 M HCl using weight loss and electrochemical techniques.Polarization curves reveal that the compounds are of mixed kind substance and inhibitio...
作者:H. Jafari , H. Hosseinzadeh ...
来源:[J].International Journal of Applied and Computational Mathematics, 2017, Vol.3 (3), pp.1677-1688
摘要:In this paper, heat and mass transfer characteristics in a viscous fluid which is squeezed between parallel plates is studied analytically using homotopy perturbation method (HPM). These comparisons between HPM and numerical method reveal that HPM has good agreement. Effect of ac...
作者:R.M. Ganji , H. Jafari , D. Baleanu
来源:[J].Chaos, Solitons and Fractals: the interdisciplinary journal of Nonlinear Science, and Nonequilibrium and Complex Phenomena(IF 1.246), 2020, Vol.130
摘要:Abstract(#br)In this paper we consider multi variable orders differential equations (MVODEs) with non-local and no-singular kernel. The derivative is described in Atangana and Baleanu sense of variable order. We use the fifth-kind Chebyshev polynomials as basic functions to obtai...
作者:H. Jafari , A. Haghbin ...
来源:[J].Journal of Computational and Applied Mathematics(IF 0.989), 2017, Vol.312, pp.167-173
摘要:Abstract(#br)In this paper, we propose a numerical algorithm to solve a class of dynamic time scale equation which is called the q -difference equation. First, we apply the method for solving initial value problems (IVPs) which contain the first and second order delta derivatives...
作者:H. Jafari , S.A.H. Feghhi , S. Boorboor
来源:[J].Radiation Physics and Chemistry(IF 1.375), 2018, Vol.144, pp.379-385
摘要:Abstract(#br)The PIN silicon photodiodes are widely used in the applications which may be found in radiation environment such as space mission, medical imaging and non-destructive testing. Radiation-induced damage in these devices causes to degrade the photodiode parameters....
作者:H. Jafari , H.G.M. Eggenkamp
来源:[J].Journal of Hazardous Materials(IF 3.925), 2019, Vol.369, pp.150-163
摘要:Abstract(#br)Bastam region is overusing its groundwater resources stocks. The groundwater levels, and hydrogeochemical data during a 14-year period (2002–2016) and isotopic composition (2016) of the 22 groundwater samples were investigated to determine the hydrogeological re...
作者:H. Jafari , A. Lia
来源:[J].Journal of Computational and Applied Mathematics(IF 0.989), 2018, Vol.339, pp.367-373
摘要:Abstract(#br)In this manuscript, a type of Fokker–Planck equation (FPE) with Caputo–Fabrizio fractional derivative is considered. We present a numerical approach which is based on the Ritz method with known basis functions to transform this equation into an optimization prob...
作者:S. Boorboor , H. Jafari , S.A.H Feghhi
来源:[J].Nuclear Inst. and Methods in Physics Research, A(IF 1.142), 2019, Vol.919, pp.82-88
摘要:Abstract(#br)Pulse height measurement is one of the most important step in ionizing radiation spectroscopy. However, the conventional analog and digital peak detection methods may be limited due to their high complexity and cost. In this work, a simple and novel mathematical appr...

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