996 resultados para Burmeister, Hermann, 1807-1892.


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Signatur des Originals: S 36/G03145

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Signatur des Originals: S 36/G03527

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Signatur des Originals: S 36/G04166

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von A. Berliner

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El clásico Index Aristotelicus de Hermann Bonitz contiene un sinnúmero de voces griegas de las que se ha valido Aristóteles para desarrollar su pensamiento. Bonitz presenta cada vocablo citando textos que revelan el valor que tenía para el hombre griego común, su funcionamiento gramatical y sus diversos sentidos en cuanto términos filosóficos aristotélicos. Nosotros hemos seleccionado, de dicha obra, algunas voces que son clave del pensamiento lógico-metafísico aristotélico, y hemos transcrito cada uno de los textos-muestra que en Bonitz son citados meramente mediante el nombre de la obra que los contiene y su correspondiente ubicación según Bekker. Hemos reunido importante cantidad de ejemplos que enriquecen el acceso al griego aristotélico, presentándolos en idioma español y acompañados de las frases griegas que contienen la voz correspondiente. Ofrecemos aquí dos artículos: σύμβολον y μῦθος, que serán incluidos en la obra que intentamos publicar en el presente año.

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An integrated instrument package for measuring and understanding the surface radiation budget of sea ice is presented, along with results from its first deployment. The setup simultaneously measures broadband fluxes of upwelling and downwelling terrestrial and solar radiation (four components separately), spectral fluxes of incident and reflected solar radiation, and supporting data such as air temperature and humidity, surface temperature, and location (GPS), in addition to photographing the sky and observed surface during each measurement. The instruments are mounted on a small sled, allowing measurements of the radiation budget to be made at many locations in the study area to see the effect of small-scale surface processes on the large-scale radiation budget. Such observations have many applications, from calibration and validation of remote sensing products to improving our understanding of surface processes that affect atmosphere-snow-ice interactions and drive feedbacks, ultimately leading to the potential to improve climate modelling of ice-covered regions of the ocean. The photographs, spectral data, and other observations allow for improved analysis of the broadband data. An example of this is shown by using the observations made during a partly cloudy day, which show erratic variations due to passing clouds, and creating a careful estimate of what the radiation budget along the observed line would have been under uniform sky conditions, clear or overcast. Other data from the setup's first deployment, in June 2011 on fast ice near Point Barrow, Alaska, are also shown; these illustrate the rapid changes of the radiation budget during a cold period that led to refreezing and new snow well into the melt season.

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Fil: Arrese Igor, Héctor Oscar. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación; Argentina.