956 resultados para Port Quequén
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Se presenta el proyecto de mejora continua llevado a cabo por el Instituto Elorrio, de Bizcaia, por el equipo directivo estrenado en el año 2002. Algunas de las actividades de mejora del centro consisten en reforzar la comisión pedagógica, crear un foro de reunión de los distintos proyectos y ampliar los componentes del equipo directivo. Como presentación del proyecto, se utiliza una metáfora, la magia de Euro Disney frente a la de Port Aventura. La magia, a la hora de conseguir los objetivos de un centro, consistiría en la complicidad de todos los agentes educativos.
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Tit. tomado de la cub.
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Resumen tomado de la publicaci??n
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Resumen basado en el de la publicaci??n
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Resumen basado en el de la publicaci??n
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A partir del buidatge exhaustiu dels fulls de subhasta del peix i de les fitxes tècniques de les embarcacions de la Confraria del Port de Llançà, es fa una anàlisi cronològica qualitativa i quantitativa dels darrers vint anys de pesca. La flota, inicialment constituïda per barques d'arrossegament i de pesca artesanal (palangre petit i tresmail), ha anat evolucionant, i ha quedat bàsicament constituïda actualment pel ròssec i el palangre de fons, que ha substituit progressivament la pesca artesanal. Les pesqueries, notablement multiespecífiques els primers anys, van donar pas, bàsicament amb la incorporació del radar, a una pesca molt més selectiva, dominada essencialment per la captura de lluç entre els anys 1980 i 1985. La progressiva incorporació del palangre de fons fa que a partir del 1986 es tendeixi novament cap a una captura més multiespecífica, perd amb canvis qualitatius importants en la composició d'espècies capturades en relació amb els primers anys
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Here we describe a series of recognized morainic deposits in the "Macizo del Port del Comte", which are the southern-most example of the eastern pre Pyrenees
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Es descriu un aflorament volcànic localitzat a la rodalia del mas Ventós (el Port de la Selva), a la part central de la serra de Rodes, dins el Pirineu axial. Es tracta d’una xemeneia volcànica enclavada en granodiorites gneissificades. Els materials que la componen són basalts olivínics alcalins amb textura traquítica, bastant alterats, els quals queden colgats per un dipòsit col·luvial sense consolidar. Les dimensions de la xemeneia són difícils de determinar pel recobriment que presenta: supera els 70 m en direcció nord-nord-est a sud-sud-oest i és d’uns 35 m en la perpendicular a aquesta. Aquest aflorament va ser citat per Teixidor fa més d’ un segle, i no s’ha retrobat fins ara
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Port of Spain, Trinidad offers an ideal context in which to analyze pre-retirement return migration to a Global South urban realm, expanding transnational urban research beyond the conventional focus on Global North metropolitan destinations. In this article, we draw on the transnational narratives of a selected sample of relatively youthful Trinidadians, who have spent many years abroad acquiring education and professional experience, but who have then decided to return in mid-career to the capital region of the island nation of their birth, or of their parent(s). Theoretically, we position these returning professionals as members of a "middling" transnational urban class whose return is at least partly motivated by a desire to "make a difference." Our results contribute to a growing literature that documents the role of transnational middle-class urban elites returning elsewhere in the Carribbean: "middling" transnational urbanism is reshaping key facets of urbanization in the Global South.
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We describe a one-port de-embedding technique suitable for the quasi-optical characterization of terahertz integrated components at frequencies beyond the operational range of most vector network analyzers. This technique is also suitable when the manufacturing of precision terminations to sufficiently fine tolerances for the application of a TRL de-embedding technique is not possible. The technique is based on vector reflection measurements of a series of easily realizable test pieces. A theoretical analysis is presented for the precision of the technique when implemented using a quasi-optical null-balanced bridge reflectometer. The analysis takes into account quantization effects in the linear and angular encoders associated with the balancing procedure, as well as source power and detector noise equivalent power. The precision in measuring waveguide characteristic impedance and attenuation using this de-embedding technique is further analyzed after taking into account changes in the power coupled due to axial, rotational, and lateral alignment errors between the device under test and the instruments' test port. The analysis is based on the propagation of errors after assuming imperfect coupling of two fundamental Gaussian beams. The required precision in repositioning the samples at the instruments' test-port is discussed. Quasi-optical measurements using the de-embedding process for a WR-8 adjustable precision short at 125 GHz are presented. The de-embedding methodology may be extended to allow the determination of S-parameters of arbitrary two-port junctions. The measurement technique proposed should prove most useful above 325 GHz where there is a lack of measurement standards.
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The impact of projected climate change on wine production was analysed for the Demarcated Region of Douro, Portugal. A statistical grapevine yield model (GYM) was developed using climate parameters as predictors. Statistically significant correlations were identified between annual yield and monthly mean temperatures and monthly precipitation totals during the growing cycle. These atmospheric factors control grapevine yield in the region, with the GYM explaining 50.4% of the total variance in the yield time series in recent decades. Anomalously high March rainfall (during budburst, shoot and inflorescence development) favours yield, as well as anomalously high temperatures and low precipitation amounts in May and June (May: flowering and June: berry development). The GYM was applied to a regional climate model output, which was shown to realistically reproduce the GYM predictors. Finally, using ensemble simulations under the A1B emission scenario, projections for GYM-derived yield in the Douro Region, and for the whole of the twenty-first century, were analysed. A slight upward trend in yield is projected to occur until about 2050, followed by a steep and continuous increase until the end of the twenty-first century, when yield is projected to be about 800 kg/ha above current values. While this estimate is based on meteorological parameters alone, changes due to elevated CO2 may further enhance this effect. In spite of the associated uncertainties, it can be stated that projected climate change may significantly benefit wine yield in the Douro Valley.
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The exact pattern, process and timing of the human re-colonization of northern Europe after the end of the last Ice Age remain controversial. Recent research has provided increasingly early dates for at least pioneer explorations of latitudes above 54°N in many regions, yet the far north-west of the European landmass, Scotland, has remained an unexplained exception to this pattern. Although the recently described Hamburgian artefacts from Howburn and an assemblage belonging to the arch-backed point complex from Kilmelfort Cave have established at least a sporadic human presence during earlier stages of the Lateglacial Interstadial, we currently lack evidence for Younger Dryas/Greenland Stadial 1 (GS-1) activity other than rare stray finds that have been claimed to be of Ahrensburgian affiliation but are difficult to interpret in isolation. We here report the discovery of chipped stone artefacts with technological and typological characteristics similar to those of the continental Ahrensburgian at a locality in western Scotland. A preliminary analysis of associated tephra, pollen and phytoliths, along with microstratigraphic analysis, suggest the artefacts represent one or more episodes of human activity that fall within the second half of GS-1 and the Preboreal period