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Dose variations in tumor volumes and organs at risk during IMRT for head-and-neck cancer
(2012)
Article.
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Article.
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Many head-and-neck cancer (HNC) patients treated with radiotherapy suffer significant anatomical changes due to tumor shrinkage or weight loss. The purpose of this study was to assess dose changes over target volumes and ...
Higher activity of diesel soot oxidation over polycrystalline ceria and ceria-zirconia solid solutions from more reactive surface planes
(2012-12-15)
Article.
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Article.
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High temperature treatment under air of samples of polycrystalline ceria and ceria–zirconia is shown to induce a rearrangement of crystals, with a surface structural evolution of the oxides toward the formation of more ...
Experimental analysis of the mass eficiency curve for gross alphya activity and morphological study of the residue obtained by the co-precipitation method
(2012-08)
Article.
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Article.
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Gross alpha activity determination in drinking water is one of the radiological parameters that must be determined in order to decide whether further specific analyses of radionuclides in samples is required. This parameter ...
Cobalt hydrotalcites as catalysts for bioethanol steam reforming. The promoting effect of potassium on catalyst activity and long-term stability
(2012-10-30)
Article.
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Article.
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Cobalt hydrotalcite-derived catalysts, doped with potassium, are active materials for the ethanol steam reforming reaction. Potassium addition reduces the acid sites number and strength. It acts as a promoter of the ethanol ...
Influence of the Fukushima Dai-ichi nuclear accident on Spanish environmental radioactivity levels
(Elsevier, 2012-12)
Article.
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Article.
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This paper presents measurements of the effect of the atmospheric radioactive release from the
Fukushima Dai-ichi nuclear power station at three sites belonging to the Spanish environmental
monitoring system. Measured ...
Hydrogen production from ethanol over Pd-Rh/CeO2 with a metallic membrane reactor
(2012-10-15)
Article.
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Article.
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The present paper reports on experimental results of an ethanol reformer equipped with a Pd-based
metallic membrane toward the production of pure hydrogen, suited for PEM-fuel cell feeding. The ethanol
steam reforming ...
Stability of ruthenium catalysts supported by aerogel mixed oxides during the wet air oxidation of p-hydroxybenzoic acid in a continuous reactor
(2012-12)
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Continuous catalytic wet air oxidation was investigated as a suitable
treatment of p-hydroxybenzoic acid chosen as a phenolic compound typically found
in olive mill wastewater. The reaction was conducted in a continuous ...
Xenon-133 and caesium-137 releases into the atmosphere from the Fukushima Dai-ichi nuclear power plant: Determination of the source term, atmospheric dispersion, and deposition
(2012-03-01)
Article.
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Article.
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On 11 March 2011, an earthquake occurred about 130 km off the Pacific coast of Japan's main island Honshu, followed by a large tsunami. The resulting loss of electric power at the Fukushima Dai-ichi nuclear power plant ...
Microplane model M7 for plain concrete: II. Calibration and verification
(American Society of Civil Engineers (ASCE), 2012-11-16)
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The microplane material model for concrete, formulated mathematically in the preceding Part I, is here calibrated by material test data from all the typical laboratory tests taken from the literature. Then the model is ...
Pt-Ag/activated carbon catalysts for water denitration in a continuous reactor: Incidence of the metal loading, Pt/Ag atomic ratio and Pt metal precursor
(2012-10-30)
Article.
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Several Pt–Ag catalysts supported on activated carbon powder were tested in the catalytic reduction of nitrates in a continuous flow reactor. The influence of the noble metal precursor (Pt(NH3)4(NO3)2 or H2PtCl6), the Pt/Ag ...