نتایج جستجو برای: nanosize
تعداد نتایج: 535 فیلتر نتایج به سال:
BACKGROUND Recombinant human erythropoietin (rhEPO) is considered to be one of the most pivotal pharmaceutical drugs in the market because of its clinical application in the treatment of anemia-associated disorders worldwide. However, like other therapeutic proteins, it does not have suitable pharmacokinetic properties for it to be administrated at least two to three times per week. Chemoselect...
A very simple method for synthesizing nanosize-controllable (4–40 nm) metals (Cu, Ag, Pd, Rh and Ni) or alloys within carbon shells has been developed. The thickness of the carbon shell that prevents the core metals from being aggregated or oxidized ranges from 3–5 nm. In addition, the synthesized metal nanoparticles exhibit a correlation between dpZ/R (Z = valence of metal and R = atomic radiu...
Mechanochemical interaction of tungsten with gallium was studied. Using x-ray diffraction and electron microscopy, it shown that after mechanical activation a W-Ga mixture for 1 min, is completely spread, as thin layer, onto the surface, while longer leads to formation W(Ga) solid solution. Moreover, be incorporated into lattice only if grains reach certain critical nanosize.
The plasma spray technique has been used by several researchers to deposit nanostructured ceramic coatings, but there is no available literature discussing how to fabricate a bulk, freestanding nanostructured component by such a technique. In the current study, net shape nanostructured Al2O3 structures have been fabricated using the plasma spray technique. A detailed characterization of the spr...
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