Results 21 to 30 of about 171,127 (133)
Asociación y Objetividad. La triple síntesis como respuesta de Kant al "problema de Hume"
El objetivo del presente trabajo es mostrar en qué sentido la noción kantiana de objetividad teórica constituye una respuesta a lo que Kant denomina «problema de Hume».
Alberto López López
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Síntesis de titanio silicalita (TS-1)
Se estudiaron varios parámetros en la síntesis de titanio silicalita (TS-1) tales como: relación SifTi, cantidad de compuesto orgánico adicionado y tiempo de añejamiento y agitación.
Sol Elena Giraldo-Buitrago +3 more
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In this paper, different architectures of simple convolutional networks are analyzed to generate synthetic spectrograms corresponding to baleen whales. Simplicity in these models plays an important role in the implementations of these type of networks on
María Celeste Cabedio, Marco Carnaghi
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Se presenta un estudio comparativo de las propiedades estructurales, morfológicas y ópticas de la heteroestructura CuO/CuWO₄ y las de estos óxidos individuales. Un primer análisis estructural semicuantitativo reveló la formación de las fases CuO
Angela Mercedes Raba-Páez
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Ruiz Artola, Inés: Formiści, la síntesis de la modernidad (1917-1922). Conexiones y protagonistas.
Libargo (2015), responde claramente a un estudio pormenorizado de un aspecto de las vanguardias artísticas europeas que ha pasado apenas desapercibido por la historiografía española: la revista polaca Formisci (1919-1921), precursora del arte moderno en ...
David Martín López
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Nueva recurrencia periódica. A tale of 7 elements
Se dice que cada vez menos gente lee, lo cual puede que no sea del todo cierto si se considera que nunca habíamos existido tantos seres humanos; pero, de lo que no cabe duda, es que cada vez más gente escribe.
Carlos Amador Bedolla
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Synthetic Strategies for the Construction of Cyclobutane‐Fused Heterocycles
Cyclobutane‐fused heterocycles are important motifs commonly present in bioactive compounds, recognized for their rigid 3D structures that confer unique properties. However, synthesizing these compounds remains challenging. This review discusses current methods for their synthesis, such as photochemical, metal‐catalyzed, and Lewis acid‐mediated [2 + 2]
Michela Vargiu +2 more
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A comprehensive DFT conformational study of Grignard additions to α‐alkoxy nitrones reveals that the reaction proceeds through a dinuclear α‐chelated transition structure in which the nitrone oxygen coordinates two magnesium centers. Other common additives, such as zinc dichloride, boron trifluoride, and dimethylaluminum chloride, were also studied ...
Manuel Pedrón +2 more
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The study provides insights for post‐processing climate model output in complex terrain, useful for climate change impact models. We compared different bias adjustment and downscaling techniques from quantile delta mapping to simple lapse rates. We developed a new spatial downscaling method based on principal components analysis, which showed superior ...
Michael Matiu +4 more
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Síntesis de un pigmento rojo a partir de nanopartículas de oro
A simple method of synthesising red pigments for ceramic glazes, based on gold nanoparticles protected by a refractory oxide capsule, was developed. Gold nanoparticles of an appropriate size were obtained by reaction in an aqueous medium between an Au ...
Agut, P., Palacios, M. D., Mestre, S.
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