914 resultados para Alvarez, Carlos Chacho


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Tópicos invocados en la pregunta acerca de las manifestaciones más perturbadoras de la violencia asumen en la primera novela de Carlos Busqued una tonalidad sumamente inquietante, al escapar al tratamiento psicológico o la reflexión sociológica para situarse en una zona de indistinción entre sujeto y objeto, naturaleza e historia, figura y fondo, animal y humano: formas informes que traen noticias de un mundo subterráneo cuya violencia termina siempre por imponerse. Calibrar aquello que se juega en la experiencia de un límite traspasado y sus figuras -sintomático de la experiencia social del presente- es lo que proponemos explorar en este trabajo

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Luego de cumplirse 45 años de haber ingresado como alumno al Profesorado en Educación Física de la Universidad Nacional de La Plata, el profesor Carlos Parenti es consultado sobre diferentes temas que hacen al pasado, presente y futuro de la institución en cuestión. Así, se lo indaga sobre su trayectoria como alumno y como docente, sobre su labor en la docencia y la investigación de la mano de Alejandro Amavet, su gestión al frente del Departamento de Educación Física, y los principales hechos en relación a los diferentes contextos sociales, económicos y políticos de la Argentina. Asimismo, se le pregunta sobre su visión de los alumnos en la actualidad y sobre cómo se imagina el futuro de la enseñanza, la investigación y la extensión en el Departamento

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Fil: Bibbó, Federico. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación; Argentina.

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Este artículo analiza algunas intervenciones intelectuales llevadas a cabo por José Carlos Mariátegui sobre la literatura y el ensayo, que le permiten conectar indigenismo y marxismo, contribuyendo a consolidar una formación intelectual indigenista, e incluso a inventar una tradición indigenista radical. Aborda particularmente las operaciones de apropiación creativa desplegadas sobre la narrativa ficcional de Cuentos Andinos (1920) de Enrique López Albújar y el ensayo Tempestad en los Andes (1927) de Luis Valcárcel

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Dissolved and particulate organic matter was measured during six cruises to the southern Ross Sea. The cruises were conducted during late austral winter to autumn from 1994 to 1997 and included coverage of various stages of the seasonal phytoplankton bloom. The data from the various years are compiled into a representative seasonal cycle in order to assess general patterns of dissolved organic matter (DOM) and particulate organic matter (POM) dynamics in the southern Ross Sea. Dissolved organic carbon (DOC) and particulate organic carbon (POC) were at background concentrations of approximately 42 and 3 µM C, respectively, during the late winter conditions in October. As the spring phytoplankton bloom progressed, organic matter increased, and by January DOC and POC reached as high as 30 and 107 µM C, respectively, in excess of initial wintertime conditions. Stocks and concentrations of DOC and POC returned to near background values by autumn (April). Approximately 90% of the accumulated organic matter was partitioned into POM, with modest net accumulation of DOM stocks despite large net organic matter production and the dominance of Phaeocystis antarctica. Changes in NO3 concentration from wintertime values were used to calculate the equivalent biological drawdown of dissolved inorganic carbon (DICequiv). The fraction of DICequiv drawdown resulting in net DOC production was relatively constant (ca. 11%), despite large temporal and spatial variability in DICequiv drawdown. The C : N (molar ratio) of the seasonally produced DOM had a geometric mean of 6.2 and was nitrogen-rich compared to background DOM. The DOM stocks that accumulate in excess of deep refractory background stocks are often referred to as "semi-labile" DOM. The "semi-labile" pool in the Ross Sea turns over on timescales of about 6 months. As a result of the modest net DOM production and its lability, the role DOM plays in export to the deep sea is small in this region.

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Este trabajo propone una comparación entre las características principales de los dos talleres metalúrgicos pioneros en la producción de instrumentos y equipamiento para bodegas y destilerías industriales, en los comienzos de la vitivinicultura moderna en Mendoza. Los socios catalanes Antonio Baldé y Gil Miret comenzaron en 1885 y el italiano Carlos Berri en 1888. Se presenta un panorama general sobre el equipamiento de los talleres y los objetos que producían, las características de la mano de obra, la formación metalúrgica de los propietarios, la inserción de las dos firmas en la región, una referencia a otras actividades económicas desarrolladas por los empresarios y algunas cuestiones complementarias.

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Fil: Scatena, Gabriela. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación; Argentina.

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Concentrations of total organic carbon (TOC) were determined on samples collected during six cruises in the northern Arabian Sea during the 1995 US JGOFS Arabian Sea Process Study. Total organic carbon concentrations and integrated stocks in the upper ocean varied both spatially and seasonally. Highest mixed-layer TOC concentrations (80-100 µM C) were observed near the coast when upwelling was not active, while upwelling tended to reduce local concentrations. In the open ocean, highest mixed-layer TOC concentrations (80-95 µM C) developed in winter (period of the NE Monsoon) and remained through mid summer (early to mid-SW Monsoon). Lowest open ocean mixed-layer concentrations (65-75 µM C) occurred late in the summer (late SW Monsoon) and during the Fall Intermonsoon period. The changes in TOC concentrations resulted in seasonal variations in mean TOC stocks (upper 150 m) of 1.5-2 mole C/m**2, with the lowest stocks found late in the summer during the SW Monsoon-Fall Intermonsoon transition. The seasonal accumulation of TOC north of 15°N was 31-41 x 10**12 g C, mostly taking place over the period of the NE Monsoon, and equivalent to 6-8% of annual primary production estimated for that region in the mid-1970s. A net TOC production rate of 12 mmole C/m**2/d over the period of the NE Monsoon represented ~80% of net community production. Net TOC production was nil during the SW Monsoon, so vertical export would have dominated the export terms over that period. Total organic carbon concentrations varied in vertical profiles with the vertical layering of the water masses, with the Persian Gulf Water TOC concentrations showing a clear signal. Deep water (>2000 m) TOC concentrations were uniform across the basin and over the period of the cruises, averaging 42.3±1.4 µM C.