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2篇 您的检索式:作者名="M Sheykhan"
    题名 作者 年代 出处 被引量
1Wettability alteration of carbonate rocks by surfactants:A mechanistic study显示文摘Jarrahian K Seiedi O Sheykhan M 2012Colloids and Surfaces A:Physicochemical and Engineering Aspects2012,410,:1
2Structural and magnetic properties of turmeric functionalized CoFe_2O_4 nanocomposite powder显示文摘The structural and magnetic properties of the synthesized pure and functionalized CoFe_2O_4 magnetic nanoparticles(NPs) are studied by analyzing the results from the x-ray diffraction(XRD), transmission electron microscopy(TEM), FT–IR spectroscopy, thermogravimetry(TG), and vibrating sample magnetometer(VSM). To extract the structure and lattice parameters from the XRD analysis results, we first apply the pseudo-Voigt model function to the experimental data obtained from XRD analysis and then the Rietveld algorithm is used in order to optimize the model function to estimate the true intensity values. Our simulated intensities are in good agreement with the experimental peaks, therefore, all structural parameters such as crystallite size and lattice constant are achieved through this simulation. Magnetic analysis reveals that the synthesized functionalized NPs have a saturation magnetization almost equal to that of pure nanoparticles(PNPs). It is also found that the presence of the turmeric causes a small reduction in coercivity of the functionalized NPs in comparison with PNP. Our TGA and FTIR results show that the turmeric is bonded very well to the surface of the NPs. So it can be inferred that a nancomposite(NC) powder of turmeric and nanoparticles is produced. As an application, the anti-arsenic characteristic of turmeric makes the synthesized functionalized NPs or NC powder a good candidate for arsenic removal from polluted industrial waste water.E Mehran S Farjami Shayesteh M Sheykhan 2016Chinese Physics B2016,25,10:0
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