997 resultados para 588


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Mobilização de militares cassados por atos políticos para a aprovação, pela Constituição, de proposta de concessão de anistia. Falecimento do Senador Constituinte Virgílio Távora. Constituinte Mário Covas coloca o cargo de Líder à disposição da bancada do PMDB.

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Contient : Réception d'ambassadeurs (1663-1686) ; Pièces sur l'Acadie et le Canada ; « Lettera scritta da Venetia da un partiale del popolo di Messina all' Eccellentiss. Senato de quella città ». Impr. S. l. n. d., in-8° de 14 pages ; « Arrest de la Cour du Parlement contre la nommée Jeanne Moyon, veuve Jean Lesur, et autres, accusées de prostitution publique. » Impr. Paris, P.-G. Simon, 1750, in-4° de 4 pages ; Extrait de la relation envoyée par M. de Terron du combat naval du 8 janvier 1776 ; Inscriptions de l'Arsenal de Brest, par Victorin Santeul et P. Corneille ; « Discorso sopra le due comete apparse l'anno corrente 1682 gl'ultimi giorni d'agosto... dedicate all' ill. et eccell. sig. Nicolo Doria, senatore della Republica de Genova... » Impr. Gênes, Antonio Casamara, s. d., in-4° de 8 pages ; « Coppie d'une lettre qu'un François écrit à un de ses amis, contenant ce qui s'est passé à Gênes pour célébrer la naissance de Mgr le duc de Bourgogne. » Impr. Marseille, P. Mesnier, 1682, in-4° de 12 pages ; Liste des vaisseaux danois armés à Copenhague en 1683 ; « Liste des officiers qui sont dans les forts Cataracoüy et Niagara. » ; Pièces sur Cayenne ; Pêche de la baleine ; Envoi de denrées en Irlande

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Though migration is an age-old feature of human activity, driven by various circumstances, its current place in the midst of global dynamics and the phenomenon of globalization is becoming increasingly critical. International immigration and its regulation have been largely shaped by the policies in the receiving countries, often determining preferences for nationality cohorts and work skills to satisfy their labor and human capital requirements. When immigration has been necessitated by political strife, host countries have displayed immense magnanimity as well. However, the growing realization of resource limitations and the strange quirks of cultural pluralism are in turn creating waves of dissonance. Literature and the media are now replete with an in depth look into the immigration debate in various nations of the world in trying to seek new directions and satisfactory solutions.

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u.a.: Rechnungsauszug vom 31.12.1835;

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Erbschaftsfragen einer befreundeten Familie

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1 Telegramm von Leo Löwenthal an Frederick Pollock, 12.10.1953; 2 Briefe von Frederick Pollock an Frederick J. Hacker (Arzt), Oktober 1953; 1 Brief von Frederick J. Hacker (Arzt), an Theodor W. Adorno, 06.12.1950; 1 Brief von Frederick Pollock an Frederick Wild, 28.09.1953; 1 Brief von Frederick Wild an Max Horkheimer, 15.08.1953; 1 Brief von der Frankfurter Bücherstube an Frederick Pollock, 08.04.1953; 1 Brief von der Frankfurter Bücherstube an den Kurator W. Rau, 08.04.1953; 1 Brief von Frederick Pollock an die Guaranty Trust Company, 20.03.1953; 1 Brief von Germaine Krull-Ivens an Frederick Pollock, 14.01.1953;

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http://lib.dr.iastate.edu/carver_narratives/1012/thumbnail.jpg

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Measurements of 87Sr/86Sr on samples of planktonic foraminifers were used to reconstruct changes in the Sr isotopic composition of seawater for the past 8 Ma. The late Neogene was marked by a general, but not regular, increase in 87S/86Sr with two breaks in slope at 5.5 and 2.5 Ma. These times mark the beginning of two periods of steep increase in 87Sr/86Sr values, relative to preceding periods characterized by essentially constant values. During the last 2.5 Ma, 87Sr/86Sr values increased at an average rate of 0.000054/Ma. This steep increase suggests that the modem ocean is not in Sr isotopic equilibrium relative to its major input fluxes. A non-equilibrium model for the modern Sr budget suggests that the residence time of Sr is ~2.5 Ma, which is significantly less than previously accepted estimates of 4-5 Ma. Modelling results suggest that the increase in 87Sr/86Sr over the past 8 Ma could have resulted from a 25% increase in the riverine flux of Sr or an increase in the average 87Sr/86Sr of this flux by 0.0006. The dominant cause of increasing 87Sr/86Sr values of seawater during the late Neogene is believed to be increased rates of uplift and chemical weathering of mountainous regions. Calculations suggest that uplift and weathering of the Himalayan-Tibetan region alone can account for the majority of the observed 87Sr/86Sr increase since the early Late Miocene. Exhumation of Precambrian shield areas by continental ice-sheets may have contributed secondarily to accelerated mechanical and chemical weathering of old crustal silicates with high 87Sr/86Sr values. In fact, the upturn in 87Sr/86Sr at 2.5 Ma coincides with increased glacial activity in the Northern Hemisphere. A variety of geochemical (87Sr/86Sr, Ge/Si, d13C, CCD, etc.) and sedimentologic data (accumulation rates) from the marine sedimentary record are compatible with a progressive increase in the chemical weathering rate of continents and dissolved riverine fluxes during the late Cenozoic. We hypothesize that chemical weathering of the continents and dissolved riverine fluxes to the oceans reached a maximum during the late Pleistocene because of repeated glaciations, increased continental exposure by lowered sea level, and increased continental relief resulting from high rates of tectonism.

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We report 261 strontium isotopic analyses of well-preserved planktonic foraminifers from three Deep Sea Drilling Project Sites (519, 588, and 607). These samples cover the period from 24 Ma to present with an average of approximately one sample per 100 ka. The combination of high sample density and uniformity of analytical procedures has produced a well-defined record of changes in the 87Sr/86Sr of seawater during the Neogene. The record can be viewed as a series of essentially linear segments with slopes ranging from as high as 0.00006/m.y. to as low as 0/m.y. The times associated with major inflections in the curve do not appear to correspond to simple geologic phenomena such as eustatic cycles, but are probably controlled by a combination of tectonic and climatic factors that influenced the abundance and isotopic composition of terrestrial strontium input to the oceans. The strontium isotopic data are consistent with a progressive increase in the chemical weathering rates of the continents during the Neogene, probably related to repeated glaciations, increased exposure of continents by lowered sea level, and increased continental relief resulting from high rates of tectonic uplift.