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Thus, the 0.3% wt polyester resin is potentially used as an alternative phantom. An advantage of the polyester resin phantom compared to the standard PMMA phantom is its effective cost. © 2020 Society for Radiological Protection. Published on behalf of SRP by IOP Publishing Limited. All rights reserved.We report a novel hybrid nano-structure Pt catalyst, by coating rare metal oxide(CeO2 or La2O3) on the surface of SBA-15, then anchor Pt nanoparticles on the CeO2/SBA-15 or La2O3/SBA-15 via a photochemical route. For the hydrogenation of
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