نتایج جستجو برای: maghemite
تعداد نتایج: 516 فیلتر نتایج به سال:
Investigation and Characterization of Maghemite (γ-Fe2O3) Nanoparticles and Its Cytotoxicity Studies
Most particles breathed on rail subway platforms are highly ferruginous (FePM) and extremely small (nanometric to a few microns in size). High magnification observations of particle texture and chemistry on airborne PM₁₀ samples collected from the Barcelona Metro, combined with published experimental work on particle generation by frictional sliding, allow us to propose a general model to expla...
FeO ⋅ Fe2O3 nH2O, Fe2.95Gd0.05O4 and Fe2.9Gd0.1O4 powders were obtained by chemical precipitation from aqueous solutions. The phase composition local environment of iron ions in gadolinium-doped oxide nanoparticles studied X-ray diffraction analysis nuclear gamma resonance (NGR) spectroscopy. Interpretation radiographs NGR spectra synthesised samples indicates the presence a superposition maghe...
iron oxide (fe2o3) nanoparticles were synthesized by a simple approach using sodium borohydride (nabh4) and iron chloride hexahydrate (fecl3.6h2o). their physicochemical properties were characterized by high resolution transmission electron microscopy (hrtem), scanning electron microscopy (sem), x-ray diffraction (xrd) and electron dispersive spectroscopy (eds). xrd pattern showed that the iron...
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