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The effect of copper metal supported on activated carbon on the catalytic reduction of NO has been studied as a short reaction process. It was observed that the adsorption properties of the activated carbons plated with copper metal slightly decrease with an increasing in the plating time or amount
## Abstract High performance Pt catalysts for polymer electrolyte fuel cellsβ(PEFCs) were prepared by both the electroless plating and hydrogen direct reduction methods. The catalysts were then characterized by cyclic voltammetryβ(CV), transmission electron microscopyβ(TEM), and cell performance te
Experimental results are presented on modifications of the surface properties of ZrO 2 ceramics exposed in air to radiation of either a KrF laser (l l l l l 248 nm) or an ArF laser (l l l l l 193 nm) with a pulse duration of 15-20 ns. The modifications of their diffuse reflectance spectra (DRS) are