998 resultados para Turkménistan -- Descriptions et voyages
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J. V. Schley.
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The timing of the last maximum extent of the Antarctic ice sheets relative to those in the Northern Hemisphere remains poorly understood. We develop a chronology for the Weddell Sea sector of the East Antarctic Ice Sheet that, combined with ages from other Antarctic ice-sheet sectors, indicates that the advance to and retreat from their maximum extent was within dating uncertainties synchronous with most sectors of Northern Hemisphere ice sheets. Surface climate forcing of Antarctic mass balance would probably cause an opposite response, whereby a warming climate would increase accumulation but not surface melting. Our new data support teleconnections involving sea-level forcing from Northern Hemisphere ice sheets and changes in North Atlantic deep-water formation and attendant heat flux to Antarctic grounding lines to synchronize the hemispheric ice sheets.
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Mössbauer analyses were conducted on a sample of saponite selected from DSDP Leg 69 basalt core. The sample was initially placed within a nitrogen-purged container on-board Glomar Challenger approximately three hours after recovery, where it remained until analysis. The Mössbauer data revealed an original, in situ Fe2O3/FeO ratio of 0.46, with both Fe**2+ and Fe**3+ in octahedral coordination. With controlled exposure to air under ambient laboratory storage conditions, the proportion of Fe**3+ increased from an original 30% to 51% over a period of about 11.5 months. The Fe**3+ thus produced remained in octahedral coordination, and no observable changes occurred in the physical appearance of the sample.
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"Présenté à la Classe des lettres et des sciences morales et politiques le 4 avril 1910."
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The article "Jeux" contains descriptions of experiments with electricity (v. 2, p. 288-352); the article "Oiseaux" contains music illustrating bird songs (v. 3, p. 55-56).
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Introduction / par F. de Montézon et Ed. Estève -- Relation de la mission du Tonkin, 1630-1648 / par Alexandre de Rhodes -- Relation de la mission du Tonkin, 1654-1660 / par Joseph Tissanier -- Persécutions diverses et martyres en Cochinchine, 1639-1665 / par Alexandre Rhodes, Metello Saccano ... [et al.] -- Travaux des pères de la Compagnie de Jésus dans les missions du Tonkin et de la Cochinchine, 1664-1774 -- Conclusion, 1774-1857 -- Peèces justificatives
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Contiene tambien: Catalogue des cartes, plans et vues... rangé suivant l'ordre géographique.
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MTSD 0339-2.
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MTSD 0339-3.
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MTSD 0339-4.
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MTSD 0339-8.