889 resultados para Pablo Picasso - Guernica
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"Como una ampliación del informe publicamos en un apéndice los capítulos XIII y XIV de los Comentarios á la Ordenanza de minas de Gamboa"--Advertencia.
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Bibliography: v.1, p. [x]-xvi.
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Mode of access: Internet.
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Translation of Paul et Virginie.
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Fil: Basile, Teresa. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación; Argentina.
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The Hf isotope composition of seawater does not match that expected from dissolution of bulk continental crust. This mismatch is generally considered to be due to retention of unradiogenic Hf in resistant zircons during incomplete weathering of continental crust. During periods of intense glacial weathering, zircons should break down more efficiently, resulting in the release of highly unradiogenic Hf to the oceans. We test this hypothesis by comparing Nd and Hf isotope time series obtained from NW Atlantic ferromanganese crusts. Both isotope systems show a decrease associated with the onset of northern hemisphere glaciation. The observed changes display distinct trajectories in epsilon Nd- epsilon Hf space, which differ from previously reported arrays of bulk terrestrial material and seawater. Such patterns are consistent with the release of highly unradiogenic Hf from very old zircons, facilitated by enhanced mechanical weathering.
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The cores described are taken during the USS San Pablo Cruise 3 from July to August 1949 by the Scripps Institute of Oceanography. A total of 49 cores were recovered and are available at Scripps Institute of Oceanography for sampling and study.
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The cores described are taken during the USS San Pablo Cruises 10 and 11 in 1952 by the Scripps Institute of Oceanography. A total of 21 cores were recovered and are available at Scripps Institute of Oceanography for sampling and study.
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General note: Title and date provided by Bettye Lane.
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Thèse numérisée par la Direction des bibliothèques de l'Université de Montréal.
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Thèse numérisée par la Direction des bibliothèques de l'Université de Montréal.
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The Bedford Institute of Oceanography provided ship time on the C.S.S. Hudson during the B.I.0. 1967 Metrology and IODAL Cruise for surveying two separate bottom features in the North Atlantic; the Flemish Cap and the San Pablo Seamount one of the Kelvin Seamounts (also known as the New England Seamounts) about 400 miles SSE of Halifax, Nova Scotia. Underwater photography, dredging, and drilling showed San Pablo seamount to have a very considerable covering of manganese deposit, which may be recoverable by mining. San Pablo Seamount was surveyed and sampled; good hauls were made both on the top and on the slopes, at various depths from 500-1000 fathoms; in all cases samples of an unusual stratified manganese-iron ore were recovered. In the hope of gaining additional information in the immediate sample area, one of the dredges had been previously modified to accommodate underwater photographic equipment. X-ray chemical analyses indicate that the ore contains 20 to 25 per cent MnO2, with similar amounts of Fe2O3. Since bottom photographs indicate that these deposits form a continuous cover 1 foot to 3 feet thick over most of the seamount, it is estimated that there are ore reserves in the order of 10 to 30 M tons above 1,000 fathoms.
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Este artículo analiza la eclosión mediática y política del partido político Podemos durante sus primeros meses de vida tras las elecciones europeas. Comprobaremos si el interés que despierta el partido en sus inicios, en intención de voto, se traslada a las audiencias de televisión con dos hipótesis que muestran la estrategia comunicativa de Podemos y su repercusión: la H1 afirma que los programas en los que participa Pablo Iglesias obtienen mayor audiencia de la habitual y la H2 plantea que la apuesta del líder de Podemos por el medio televisivo es muy superior y con mejores resultados con respecto a los partidos clásicos. Los resultados demuestran que los programas en los que participa (N=14) crecen un 62% y baten récord de audiencia. Concluimos que la estrategia comunicativa de Podemos da importancia a la televisión, además de continuar con la estrategia en redes aprendida en el 15M.