938 resultados para Bergen, Candice , 1946 -


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Mode of access: Internet.

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Thesis (doctoral)--

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

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

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En la presente tesina abordamos las políticas culturales llevadas a cabo por la Dirección General de Bibliotecas de la Provincia de Buenos Aires (Argentina) en lo concerniente a la actividad bibliotecológica entre 1946 y 1952. Planteamos el desarrollo del trabajo sobre cuatro ejes principales: bibliotecas, bibliotecarios, lectores y libros. En primer lugar, presentamos un panorama general de la situación político-social de la época. Luego, analizamos los intereses de las bibliotecas bonaerenses a través de la participación de sus representantes en el Primer Congreso Provincial de Bibliotecas Populares (1949) e indagamos en qué condiciones se originó la Biblioteca Pública Central y su rol en la profesionalización de los bibliotecarios. En este sentido, valoramos la institucionalización de la formación bibliotecaria mediante la creación de la Escuela de Bibliotecología y desarrollamos qué contenidos se plantearon en los primeros planes de estudios de las carreras. Del mismo modo, examinamos qué concepción tenía la Dirección General de los lectores y de sus lecturas, específicamente las de los niños, las mujeres y los obreros. Para finalizar, consideramos la implementación de las políticas culturales en torno a la difusión y la circulación de libros, especialmente de los editados en Argentina y en otros países del continente americano

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The purpose of this project was to address the lack of scholarship on mid-twentieth century Haitian history and illustrate its significance. It employs primary and secondary sources in shaping a Gramscian historical narrative. Ideas of "everyday resistance" and internal and external politics are also be of significance to this work. In mid-twentieth century Haiti, the black-nationalist rhetoric of noirisme became the dominant political ideology. Blackness was amorphous and its application to politics was dependent upon class. In proclaiming blackness the average Haitian was attacking the class schism that beleaguered the island. Yet for the elite noirismewas a conduit to modernity and a useful tool for muting the division between rich and poor. With the election of Dumarsais Estimé in 1946, dialogue between the U.S. government, the Haitian elite, and the masses, relative to definitions of modernity played out within the new political reality of noirisme.

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The response of the coccolithophore Emiliania huxleyi to rising CO2 concentrations is well documented for acclimated cultures where cells are exposed to the CO2 treatments for several generations prior to the experiment. The exact number of generations required for acclimation to CO2-induced changes in seawater carbonate chemistry, however, is unknown. Here we show that Emiliania huxleyi's short-term response (26 h) after cultures (grown at 500 µatm) were abruptly exposed to changed CO2 concentrations (~190, 410, 800 and 1500 ?atm) is similar to that obtained with acclimated cultures under comparable conditions in earlier studies. Most importantly, from the lower CO2 levels (190 and 410 ?atm) to 750 and 1500 µatm calcification decreased and organic carbon fixation increased within the first 8 to 14 h after exposing the cultures to changes in carbonate chemistry. This suggests that Emiliania huxleyi rapidly alters the rates of essential metabolical processes in response to changes in seawater carbonate chemistry, establishing a new physiological "state" (acclimation) within a matter of hours. If this relatively rapid response applies to other phytoplankton species, it may simplify interpretation of studies with natural communities (e.g. mesocosm studies and ship-board incubations), where often it is not feasible to allow for a pre-conditioning phase before starting experimental incubations.