نتایج جستجو برای: surface activity
تعداد نتایج: 1714408 فیلتر نتایج به سال:
By anodizing of titanium and then electroplating of Platinum on surface anodized titanium, electrodes with high effective surface catalytic were made. Consideration of surface morphology using scanning electron microscope (SEM) shows that, with anodizing, micro porous layer on titanium surface was prepared. The electro catalytic behavior of this type of electrodes in the isopropanol electro oxi...
In this study, the effect of platinum-aluminide coating parameters on surface roughness of nickel-based superalloy Rene®80 was evaluated. For this purpose, different thicknesses of Pt-layer (2, 4, 6 and 8µm) were plated on the Samples. Then diffusion aluminide coating in two types, high tempeature-low activity and low temperature-high activity was performed. The results of structural investigat...
Since Aloe vera has special adaptations to the environmental conditions of Iran, it has industrially utilized. The more studying physiological and biochemical properties of usable tissues improves its utilizing. In this study the effects of iron nutrition on the iron concentrations in different leaf tissues and the activity of superoxide dismutase were investigated. Propagated plants from a mat...
As a physiochemical property, asphaltenes are known to be one the most surface active compounds in crude oil. Due to such property, their behavior is most probably influenced by fluid-fluid interactions at the contact surface (interface). Potentially and naturally, in most cases, water is in contact with crude oil and is co-produced with it as well. Considering that asphaltene molecules are pol...
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