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Rahsepar, M.,Pakshir, M.,Nikolaev, P.,Piao, Y.,Kim, H. Pergamon Press ; Elsevier Science Ltd 2014 International journal of hydrogen energy Vol.39 No.28
Tungsten mono-carbide (WC) nanoparticles supported on multiwalled carbon nanotube (MWCNT) was synthesized by a microwave-assisted solid-state carburization. The prepared samples were used as a co-catalyst to prepare Pt-WC/MWCNT catalyst for a proton-exchange membrane fuel cell. MWCNTs with and without oxidative pretreatments were characterized as the starting precursors. The influence of the carbide formation conditions on the physicochemical characteristics of the final product were extensively investigated. According to the results, surface pretreatment of the MWCNTs can improve the yield of carbide formation. Furthermore, carburization process can improve the catalyst utilization due to increasing the number of surface defects of the MWCNT supporting materials which can be interpreted as structural effect of the carburization process. It is believed that the superior performance of electrodes modified with tungsten carbide is mostly due to the structural effect of the carburization process and synergistic effect between the electrocatalytic activity of WC and Pt.
Bivariate mean value interpolation with application to moment of inertia
Kh. Rahsepar Fard,B. Yazdi Zadeh 장전수학회 2011 Proceedings of the Jangjeon mathematical society Vol.14 No.3
In this paper we consider the bivariate mean-value Lagrange interpolation problem, where interpolation parameters are integrals over circles. Here, we study a new application of this interpolation in Mechanics, i.e., estimating the value of the moment of inertia when we have holes inside a beam. We consider the interpolation polynomials of degree not exceeding one.
LETTER TO THE EDITOR : High Levels of Anti-Heat Shock Protein 27 Antibody in Pemphigus Vulgaris
Mohammad Javad Yazdanpanah,Ali Reza Taji,Zari Javidi,Fakhrozaman Pezeshkpoor,Amir Ali Rahsepar,Shima Tavallaie,Akram Momenzadeh,Saber Shojaie Noori,Mohsen Khoddami,Sara Rahsepar,Majid Ghayour M 대한피부과학회 2013 Annals of Dermatology Vol.25 No.2