نتایج جستجو برای: pure iron
تعداد نتایج: 234628 فیلتر نتایج به سال:
indium is a heavy metal belonging to group iiia. it is used as a radioimaging and chemotherapeutic agent in diagnosis and also in the treatment of cancers. it is believed that indium may interfere with iron metabolism and reduce cell growth in cancer tissue. the present report was established to study the binding of iron and indium to apo-transferrin (apo-tf) and to identify amino acids involve...
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Enrichment and pure cultures of nitrate-reducing bacteria were shown to grow anaerobically with ferrous iron as the only electron donor or as the additional electron donor in the presence of acetate. The newly observed bacterial process may significantly contribute to ferric iron formation in the suboxic zone of aquatic sediments.
Nanoporous iron metal foams were synthesized by an improved sol-gel autocombustion method in this report. It has been confirmed to be pure phase iron by X-ray diffraction measurements. The nanoporous characteristics were illustrated through scanning electron microscope and transmission electron microscope images. Very low density and quite large saturation magnetization has been performed in th...
treatment of ground water contaminated with halogenated pesticides is a challenging task. thispaper focuses on preparation, characterization and treatment of heptachlor by iron particles synthesized fromsteel industry waste (s-zvi). the bof sludge, which is dumped in landfills, is an iron rich source and wasused as the source material for s-zvi synthesis. the vital step was reducing agent sodiu...
We report here experimental evidence for the hydrothermal formation of a pure organic molecule, phenol, from the reaction of carbonate with water in the presence of iron powders.
We report phonon densities of states (DOS) of iron measured by nuclear resonant inelastic x-ray scattering to 153 gigapascals and calculated from ab initio theory. Qualitatively, they are in agreement, but the theory predicts density at higher energies. From the DOS, we derive elastic and thermodynamic parameters of iron, including shear modulus, compressional and shear velocities, heat capacit...
The preparation of highly pure vanadyl sulfate from sulfate solutions containing impurities of iron and aluminumwas investigated by solvent extraction with 2-ethylhexyl phosphoric acid mono-2-ethylhexyl ester (EHEHPA) and tri-n-butyl phosphate (TBP) as the phase modifier. The extraction and stripping conditions of vanadium (IV) and its separation from iron and aluminum were optimized. Under the...
Indium is a heavy metal belonging to group IIIa. It is believed that indium may interfere with iron metabolism from the sites of absorption, transportation, utilization and storage in the cells. The present investigation was established to study and compare the binding of iron and indium to human apo-transferrin (apo-tf). Pure human apo-tf was used and the binding activity of iron and indium, a...
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