997 resultados para 315-C0001E
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Otto Hörth, Besuch in Frankfurt, Stoltzes geplante Schwarzwaldreise
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1 Brief von Robert M MacIver an Frederick Pollock, 01.05.1941; 1 Brief von Max Horkheimer an Felix Weil, [1940]; 2 Briefe zwischen der Dolson Wood Company Inc. (New York) und Max Horkheimer, Juni 1940;
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1 Brief von Frederick Pollock an Hans J. Lichtenberger, 06.02.1947; 1 Briefe von Max Horkheimer an das Institute´s Advisory Board 11.01.1947; 1 Brief von Margot von Mendelssohn an Redman Van and Storage Co. (Santa Monica), 07.01.1947; 1 Brief von Gertrud Löwenthal an Redman Van and Storage Co. (Santa Monica), 03.01.1947;
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Fil: Licata, Rosa. Universidad Nacional de Cuyo. Facultad de Filosofía y Letras
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Fil: González de Tobia, Ana María. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación; Argentina.
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Fil: González de Tobia, Ana María. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación; Argentina.
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Six Deep Sea Drilling Project (DSDP) Sites (252, 285, 315, 317, 336, 386) were examined for the chemical composition of the dissolved salts in interstitial waters, the oxygen isotopic composition of the interstitial waters, and the major ion composition of the bulk solid sediments. An examination of the concentration-depth profiles of dissolved calcium, magnesium, potassium, and H218O in conjunction with oxygen isotope mass balance calculations confirms the hypothesis that in DSDP pelagic drill sites concentration gradients in Ca. Mg. K, and H218O are largely due to alteration reactions occurring in the basalts of Layer 2 and to alteration reactions involving volcanic matter dispersed in the sediment column. Oxygen isotope mass balance calculations require substantial alteration of Layer 2 (up to 25% of the upper 1000 m). but only minor exchange of Ca, Mg, and K occurs with the overlying ocean. This implies that alteration reactions in Layer 2 are almost isochemical.