873 resultados para History of ECA


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Este trabajo trata sobre la famosa digresión de Tucídides en el libro sexto de su historia acerca de la caída de la tiranía en Atenas (Tuc. 6.54-59) y su relación con el relato de Heródoto. La digresión de Tucídides (y más específicamente su tono polémico) ha provocado controversia entre los comentadores, que han analizado a fondo las narrativas de los dos historiadores tanto desde una perspectiva histórica como historiográfica. Este estudio tiende a contribuir a esta discusión a través de tres sugerencias: la primera, Tucídides se mete no solo con la pequeña sección sobre los tiranicidas de la Historia de Heródoto (esto es Hdt. 5.55-65), sino, más bien, con toda la narrativa de la Historia de Heródoto sobre la liberación de Atenas de la tiranía que se extiende hasta el discurso de Socles (esto es Hdt. 5.55-5.96.2); segunda, las correcciones de Tucídides al relato de Heródoto son menores, tercera, dado que las divergencias de Tucídides con respecto a Heródoto no son decisivas para la versión correcta de los hechos, el tono polémico de Tucídides en su digresión resulta todavía más difícil de explicar. En este trabajo se sugiere tentativamente que la actitud polémica de Tucídides tiene más sentido si es interpretada en el contexto de la rivalidad del historiador con Heródoto

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Fil: Saravia de Grossi, María Inés. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación; Argentina.

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Fil: Bordagaray, María Eugenia. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación. Instituto de Investigaciones en Humanidades y Ciencias Sociales (UNLP-CONICET); Argentina.

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Professional guidance has developed in Argentina since 1940, influenced by the guidance which in that time came from Spain, France, Belgium and Switzerland. The paper analyzes the first experiences in professional guidance, developed both in the great industrial cities as Buenos Aires and Rosario, and little urban centres as Tucumán or San Luis. The institutional and political context of such experiences is also analyzed, as well as the State's full support of them.

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Este trabajo trata sobre la famosa digresión de Tucídides en el libro sexto de su historia acerca de la caída de la tiranía en Atenas (Tuc. 6.54-59) y su relación con el relato de Heródoto. La digresión de Tucídides (y más específicamente su tono polémico) ha provocado controversia entre los comentadores, que han analizado a fondo las narrativas de los dos historiadores tanto desde una perspectiva histórica como historiográfica. Este estudio tiende a contribuir a esta discusión a través de tres sugerencias: la primera, Tucídides se mete no solo con la pequeña sección sobre los tiranicidas de la Historia de Heródoto (esto es Hdt. 5.55-65), sino, más bien, con toda la narrativa de la Historia de Heródoto sobre la liberación de Atenas de la tiranía que se extiende hasta el discurso de Socles (esto es Hdt. 5.55-5.96.2); segunda, las correcciones de Tucídides al relato de Heródoto son menores, tercera, dado que las divergencias de Tucídides con respecto a Heródoto no son decisivas para la versión correcta de los hechos, el tono polémico de Tucídides en su digresión resulta todavía más difícil de explicar. En este trabajo se sugiere tentativamente que la actitud polémica de Tucídides tiene más sentido si es interpretada en el contexto de la rivalidad del historiador con Heródoto

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Professional guidance has developed in Argentina since 1940, influenced by the guidance which in that time came from Spain, France, Belgium and Switzerland. The paper analyzes the first experiences in professional guidance, developed both in the great industrial cities as Buenos Aires and Rosario, and little urban centres as Tucumán or San Luis. The institutional and political context of such experiences is also analyzed, as well as the State's full support of them.

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Fil: Bordagaray, María Eugenia. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación. Instituto de Investigaciones en Humanidades y Ciencias Sociales (UNLP-CONICET); Argentina.

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The iterative evolutionary radiation of planktic foraminifers is a well-documented macroevolutionary process. Here we document the accompanying size changes in entire planktic foraminiferal assemblages for the past 70 My and their relationship to paleoenvironmental changes. After the size decrease at the Cretaceous/Paleogene (K/P) boundary, high latitude assemblages remained consistently small. Size evolution in low latitudes can be divided into three major phases: the first is characterized by dwarfs (65-42 Ma), the second shows moderate size fluctuations (42-14 Ma), and in the third phase, planktic foraminifers have grown to the unprecedented sizes observed today. Our analyses of size variability with paleoproxy records indicate that periods of size increase coincided with phases of global cooling (Eocene and Neogene). These periods were characterized by enhanced latitudinal and vertical temperature gradients in the oceans and high diversity (polytaxy). In the Paleocene and during the Oligocene, the observed (minor) size changes of the largely low-diversity (oligotaxic) assemblages seem to correlate with productivity changes. However, polytaxy per se was not responsible for larger test sizes.

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Sedimentary sections recovered from the Tonga platform and forearc during Ocean Drilling Program Leg 135 provide a record of the sedimentary evolution of the active margin of the Indo-Australian Plate from late Eocene time to the Present. Facies analyses of the sediments, coupled with interpretations of downhole Formation MicroScanner logs, allow the complete sedimentary and subsidence history of each site to be reconstructed. After taking into account the water depths in which the sediments were deposited and their subsequent compaction, the forearc region of the Tofua Arc (Site 841) can be seen to have experienced an initial period of tectonic subsidence dating from 35.5 Ma. Subsidence has probably been gradual since that time, with possible phases of accelerated subsidence, starting at 16.2 and 10.0 Ma. The Tonga Platform (Site 840) records only the last 7.0 Ma of arc evolution. However, the increased accuracy of paleowater depth determinations possible with shallow-water platform sediments allows the resolution of a distinct increase in subsidence rates at 5.30 Ma. Thus, sedimentology and subsidence analyses show the existence of at least two, and possibly four, separate subsidence events in the forearc region. Subsidence dating from 35.5 Ma is linked to rifting of the South Fiji Basin. Any subsidence dating from 16.2 Ma at Site 841 does not correlate with another known tectonic event and is perhaps linked to localized extensional faulting related to slab roll back during steady-state subduction. Subsidence from 10.0 Ma coincides with the breakup of the early Tertiary Vitiaz Arc because of the subduction polarity reversal in the New Hebrides and the subsequent readjustment of the plate boundary geometry. More recently, rapid subsidence and deposition of a upward-fining cycle from 5.30 Ma to the Present at Site 840 is thought to relate to rifting of the Lau Basin. Sedimentation is principally controlled by tectonic activity, with variations in eustatic sea level playing a significant, but subordinate role. Subduction of the Louisville Seamount Chain seems to have disrupted the forearc region locally, although it had only a modest effect on the subsidence history and sedimentation of the Tonga Platform as a whole.

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Economic development in East Asia is characterized by the sequential "take-off" of member countries. This multi-tiered economic development in East Asia is often termed the “Flying Geese” pattern of economic development. However, some authors argue that the traditional Flying Geese pattern is not applicable to some industries such as electronics. Here, Japan may no longer be the sole "leading goose", with "followers" such as China (now producing cutting-edge products) having "caught-up". Does this mean that the Flying Geese Model has become "obsolete" in the 21st century? The main objective of this paper is to clarify the two concepts of Flying Geese which now seem confused: (1) application of the pattern of economic development in one specific country, and (2) application of the pattern of economic development to multiple countries in sequence. This paper provides validity checks of Flying Geese Models after differentiating these two concepts more clearly