887 resultados para 298.15 K
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"Vorwort" signed: Rud. Reuss.
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Mode of access: Internet.
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"Zusätze und Verbesserungen": p. [383]-384.
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Imprint varies: Vol. 1- published in Berlin.
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"Stammtafel der Medici": p. [124]
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Mode of access: Internet.
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Rekisentei Eiri; 1 ft. 3 25/64 in.x 10 15/64 in.; woodcut (oban), ink and color on paper
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Rekisentei Eiri; 1 ft. 3 25/64 in.x 10 15/64 in.; woodcut, ink and color on paper
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The German translation is in Hebrew characters; the translations are by Moses Mendelssohn, Obornik, Aaron Wolfssohn, Samuel Detmold, Moses Philippson, Israel Neumann, Joseph Wolf, Joel Loewe, Isaac Euchel, and David Friedländer.
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"Literatura": p. [1]-15.
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Thesis (doctoral)--K.B. Ludwig-Maximilians-Universitat Munchen.
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Mode of access: Internet.
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New K-Ar and Ar-40/Ar-39 data of tholeiitic and alkaline dike swarms from the onshore basement of the Santos Basin (SE Brazil) reveal Mesozoic and Tertiary magmatic pulses. The tholeiitic rocks (basalt, dolerite, and microgabbro) display high TiO2 contents (average 3.65 wt%) and comprise two magmatic groups. The NW-oriented samples of Group A have (La/Yb)N ratios between 15 and 32.3 and range in age from 192.9 +/- 2.2 to 160.9 +/- 1.9 Ma. The NNW-NNE Group B samples, with (La/Yb)(N) ratios between 7 and 16, range from 148.3 +/- 3 to 133.9 +/- 0.5 Ma. The alkaline rocks (syenite, trachyte, phonolite, alkaline basalts, and lamprophyre) display intermediate-K contents and comprise dikes, plugs, and stocks. Ages of approximately 82 Ma were obtained for the lamprophyre dikes, 70 Ma for the syenite plutons, and 64-59 Ma for felsic dikes. Because Jurassic-Early Cretaceous basic dikes have not been reported in SE Brazil, we might speculate that, during the emplacement of Group A dikes, extensional stresses were active in the region before the opening of the south Atlantic Ocean and coeval with the Karoo magmatism described in South Africa. Group B dikes yield ages compatible with those obtained for Serra Geral and Ponta Grossa magmatism in the Parana Basin and are directly related to the breakup of western Gondwana. Alkaline magmatism is associated with several tectonic episodes that postdate the opening of the Atlantic Ocean and related to the upwelling of the Trindade plume and the generation of Tertiary basins southeast of Brazil. In the studied region, alkaline magmatism can be subdivided in two episodes: the first one represented by lamprophyre dykes of approximately 82 Ma and the second comprised of felsic alkaline stocks of approximately 70 Ma and associated dikes ranging from 64 to 59 Ma. (c) 2005 Elsevier Ltd. All rights reserved.