Search Results - "ARIAS, ARTURO"
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In Situ Characterization of Cu/CeO2 Nanocatalysts for CO2 Hydrogenation: Morphological Effects of Nanostructured Ceria on the Catalytic Activity
Published in Journal of physical chemistry. C (21-06-2018)“…A combination of time-resolved X-ray diffraction (TR-XRD), ambient-pressure X-ray photoelectron spectroscopy (AP-XPS), and diffuse reflectance infrared Fourier…”
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Preferential oxidation of CO in rich H2 over CuO/CeO2 : Operando-DRIFTS analysis of deactivating effect of CO2 and H2O
Published in Journal of catalysis (01-04-2009)“…A catalyst of copper oxide supported on nanostructured ceria has been examined with the aim of exploring deactivating effects produced by CO2 or H2O presence…”
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From Indigenous Literatures to Native American and Indigenous Theorists: The Makings of a Grassroots Decoloniality
Published in Latin American research review (01-01-2018)“…From the coloniality of power to the decolonial swerve, US-centered decolonial academics concur with the foundational points introduced by Peruvian sociologist…”
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Selective CO Oxidation in Excess H 2 over Copper−Ceria Catalysts: Identification of Active Entities/Species
Published in Journal of the American Chemical Society (10-10-2007)Get full text
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Unraveling the Dynamic Nature of a CuO/CeO2 Catalyst for CO Oxidation in Operando: A Combined Study of XANES (Fluorescence) and DRIFTS
Published in ACS catalysis (06-06-2014)“…The redox chemistry and CO oxidation (2CO + O2 → 2CO2) activity of catalysts generated by the dispersion of CuO on CeO2 nanorods were investigated using a…”
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Shape-Controlled Pathways in the Hydrogen Production from Ethanol Steam Reforming over Ceria Nanoparticles
Published in ACS catalysis (19-08-2022)“…The ethanol surface reaction over CeO2 nanooctahedra (NO) and nanocubes (NC), which mainly expose (111) and (100) surfaces, respectively, was studied by means…”
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Near-ambient XPS characterization of interfacial copper species in ceria-supported copper catalysts
Published in Physical chemistry chemical physics : PCCP (01-01-2015)“…Catalysts based on combinations of copper and cerium oxides are interesting alternatives to noble metal ones for processes involved in the…”
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Dynamic in situ observation of rapid size and shape change of supported Pd nanoparticles during CO/NO cycling
Published in Nature materials (01-07-2007)“…Understanding and improving the behaviour of supported precious-metal catalysts for a vast array of environmentally and economically important processes is a…”
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High Activity of Ce₁−xNixO₂−y for H₂ Production through Ethanol Steam Reforming: Tuning Catalytic Performance through Metal-Oxide Interactions
Published in Angewandte Chemie (International ed.) (10-12-2010)“…The importance of the oxide: Ce0.8Ni0.2O2−y is an excellent catalyst for ethanol steam reforming (see graph). Metal–oxide interactions perturb the electronic…”
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Psychological distress during the first phase of the COVID-19 pandemic in Ecuador: Cross-sectional study
Published in PloS one (22-09-2021)“…The effects of the COVID 19 pandemic on the mental health of citizens from Asia, Europe, or North America begin to be known, but there are fewer publications…”
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Highly Selective Hydrogenation of Levulinic Acid to γ-Valerolactone Over Ru/ZrO2 Catalysts
Published in Catalysis letters (01-07-2017)“…We studied the catalytic hydrogenation of levulinic acid over zirconia supported ruthenium catalysts. Four different Ru/ZrO 2 catalysts were prepared by…”
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Bi-doped BaBiO3 (x = 0%, 5%, 10%, 15%, and 20%) perovskite oxides by a sol–gel method: comprehensive biological assessment and RhB photodegradation
Published in RSC advances (29-02-2024)“…The BaBiO3 (BBO) perovskite oxide was prepared via a sol–gel method with different concentrations of Bi nitrate and examined as a photocatalyst for RhB…”
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On the classification theory for non-compact Klein surfaces
Published in Complex variables and elliptic equations (03-06-2019)“…In this article some classes of Klein surfaces are introduced taking into account the existence of analytic or harmonic functions. For instance, we shall…”
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Influence of the Interaction of Nickel and Copper with Ceria on Ethanol Steam Reforming over Ni-Cu-CeO2 Catalysts
Published in Catalysts (01-09-2024)“…Catalysts of nickel-ceria, nickel-copper-ceria, and copper-ceria were explored with respect to their properties for hydrogen production through ethanol steam…”
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Operando DRIFTS and XANES Study of Deactivating Effect of CO2 on a Ce0.8Cu0.2O2 CO-PROX Catalyst
Published in Journal of physical chemistry. C (04-11-2010)“…Deactivating effects produced by CO2 on a catalyst combining oxidized copper and cerium prepared by microemulsion−coprecipitation and employed for preferential…”
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Exceptional Low-Temperature CO Oxidation over Noble-Metal-Free Iron-Doped Hollandites: An In-Depth Analysis of the Influence of the Defect Structure on Catalytic Performance
Published in ACS catalysis (17-12-2021)“…A family of iron-doped manganese-related hollandites, K x Mn1–y Fe y O2−δ (0 ≤ y ≤ 0.15), with high performance in CO oxidation have been prepared. Among them,…”
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Influence of sodium impurities on the properties of CeO2/CuO for carbon monoxide oxidation in a hydrogen-rich stream
Published in Catalysis communications (01-04-2018)“…Sodium is typically employed as component of bases or salts for precipitating metals during preparation of oxide catalysts. It is normally eliminated during…”
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Factors Associated to Psychological Distress During the COVID-19 Pandemic Among Healthcare Workers in Ecuador
Published in International journal of public health (22-03-2022)“…The global COVID-19 pandemic has challenged health systems. Healthcare professionals had to face harsh conditions that have caused psycho-emotional…”
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