Search Results - "Palacio, C. A."
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Determination of the positron diffusion length in Kapton by analysing the positronium emission
Published in Applied surface science (31-10-2008)“…Doppler profile spectroscopy and Compton-to-peak ratio analysis have been used to study the positronium (Ps) emission from the Kapton surface as a function of…”
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Journal Article -
2
Emission of positronium in a nanometric PMMA film
Published in Applied surface science (31-10-2008)“…Positron beam experiments have been performed for the first time on a self-supporting polymethyl metacrylate (PMMA) film of 310 nm-thick made by spin coating…”
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3
Synthesis of magnetic zeolites from recycled fly ash for adsorption of methylene blue
Published in Fuel (Guildford) (01-03-2020)“…[Display omitted] •Hydrothermal treatment of Coal fly produce cancrinite and analcime zeolite.•Cancrinite zeolite exhibits ferrimagnetic signature.•Adsorption…”
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4
Effects of Si as alloying element on corrosion resistance of weathering steel
Published in Corrosion science (01-06-2012)“…► Weathering steels with different concentrations of Si as alloying element were exposed to laboratory atmospheric conditions. ► The iron oxides formed as…”
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Study of fly ash based zeolite by using slow positrons
Published in Materials science & engineering. B, Solid-state materials for advanced technology (01-01-2021)“…•Zeolites like materials were synthesized from fly ash by hydrothermal method.•Positron annihilation measurements show that increasing of NaOH increases…”
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6
Reseña: Cruzando la corriente. Secuelas a lo largo del rio Huallaga
Published in Mundo Amazonico (01-07-2023)“…Kernaghan, Richard. (2022). Crossing the Current. Aftermaths along the Huallaga River. Stanford: University Press. ISBN: 9781503603295…”
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Formation of positronium: Multi-exponentials versus blob model
Published in Radiation physics and chemistry (Oxford, England : 1993) (01-02-2007)“…Lifetime spectra were obtained for amorphous poly(aryl ether ether ketone) (PEEK), in the temperature range of (−170, +150) °C and were analysed by the…”
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8
Thermally Driven and Ball-Milled Hematite to Magnetite Transformation
Published in Hyperfine interactions (2003)“…In this work, a study on the dynamics of transformation from hematite (α-Fe2O3) to magnetite (Fe3O4) by following two solid-state reaction methods is carried…”
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Physical, microstructural and mechanical study of isochronal annealing of deformed commercial iron
Published in Journal of alloys and compounds (25-01-2016)“…Isochronal annealing of deformed commercial iron samples (99.88 m.-% Fe) after cold deformation is studied by means of Vickers microhardness and physical…”
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Weak Field Magnetic Susceptibility Fluctuations Above the Superconducting Transition YBa2Cu3-xFexO7-δ(0.05 ≤x≤ 0.12)
Published in Journal of low temperature physics (01-03-2016)“…This paper reports the production of YBa 2 Cu 3 - x Fe x O 7 - δ (0.05 ≤ x ≤ 0.12) superconducting system by using the standard solid-state reaction technique…”
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12
Weak Field Magnetic Susceptibility Fluctuations Above the Superconducting Transition YBa\(_{2}\)
Published in Journal of low temperature physics (01-03-2016)“…This paper reports the production of YBa\(_{2}\)Cu\(_{3-x}\)Fe\(_{x}\)O\(_{7-\delta }\) (0.05 \(\le x\) \(\le \) 0.12) superconducting system by using the…”
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13
Breve guía de introducción a la Ecología Política (Ecopol): orígenes, inspiradores, aportes y temas de actualidad
Published in Gestión y ambiente (01-09-2006)“…La propuesta metodológica de la ecología como campo de la diversidad, complejidad e interconectividad debe ayudar a responder a problemas de intersección de…”
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Reseña: Antes de Colombia. Los primeros 14.000 años
Published in Mundo Amazonico (01-07-2023)“…Langebaek, C. H. (2021). Antes de Colombia. Los primeros 14.000 años.Debate. ISBN: 9789585132290…”
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Book Review Journal Article -
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Leptin levels and IgF-binding proteins in malnourished children: effect of weight gain
Published in Nutrition (Burbank, Los Angeles County, Calif.) (2002)“…OBJECTIVES: Although it is well known that leptin reflects body fat content in adults, the regulation of leptin levels during childhood malnutrition is poorly…”
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16
Serological screening for cysticercosis in mentally altered individuals
Published in Tropical medicine & international health (01-06-2002)“…The parasitic infection neurocysticercosis may give rise to a variety of psychiatric manifestations that resemble, but are different from, primary psychiatric…”
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17
Fármacos que imitan o exacerban trastornos psiquiátricos
Published in Iatreia (Medellín, Colombia) (12-01-1995)“…Muchas sustancias pueden producir efectos sobre el sistema nervioso central, incluso las que se usan primariamente por sus acciones periféricas; además, los…”
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Reseña: Los Rostros de un Estado Delegado. Religiosos, indígenas y comerciantes en el Putumayo, 1845-1904
Published in Mundo Amazónico (01-01-2024)“…Mongua-Calderón, C. (2022). Los rostros de un estado delegado. Religiosos, indígenas y comerciantes en el Putumayo, 1845-1904. Editorial Universidad del…”
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Book Review -
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Reseña: Cruzando la corriente. Secuelas a lo largo del rio Huallaga
Published in Mundo Amazónico (01-01-2023)“…Kernaghan, Richard. (2022). Crossing the Current. Aftermaths along the Huallaga River. Stanford: University Press. ISBN: 9781503603295…”
Get full text
Book Review