992 resultados para 1965


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Fil: Ortega de Calise, Beatriz.

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En la presente nota introductoria a la edición de las cartas entre Eduardo Jonquières y Guillermo de Torre se sintetizan aspectos relativos al contexto de edición del libro “Zona árida" (1965), del poeta argentino. Los aspectos considerados en la reconstrucción son: las circunstancias de la radicación de Jonquières en Francia, la evolución expresiva del autor y la recepción del volumen por parte de lectores pertenecientes al círculo de amistades del poeta.

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Fil: Farés, María Celina. Universidad Nacional de Cuyo. Facultad de Ciencias Políticas y Sociales

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The Persian Gulf situated in the arid climate region of the northern hemisphere shows special conditions in its hydrochemistry. The high evaporation, the lack of large rivers, and the exclusion of deep water from the Indian Ocean governs the nutrient cycle. At 28 stations in the deeper part of the Persian Gulf (Iran side), in the Strait of Hormuz, and in the Gulf of Oman determinations of dissolved oxygen, dissolved inorganic phosphate, silicate, and pH were carried out. On 4 selected transverse profiles for phosphate, and dissolved oxygen and on 1 length profile for phosphate, silicate, oxygen, and pH the distribution of these components is shown and the in- and outflow is characterized. It is also pointed out that the nutrients on their way into the Persian Gulf are diminished and that temporary replenishment supply from a layer of about 100 m depth in the Indian Ocean follows. On one horizontal map the phosphate distribution in the surface and 30 m layer gives reference to biological activity. One diagram where nitrogen components are plotted against phosphate shows that nitrate is a limiting factor for productivity. O2/PO4-P and PO4-P/S? diagrams enable the different waterbodies and mixed layers to be characterized.