934 resultados para Voyages de noces


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The first of Alexander Agassiz’ voyages on the U.S. Fish Commission steamer Albatross in 1891 yielded significant scientific results. This paper reviews the background of the voyage, including the career path that led Agassiz to the back deck of the Albatross. We also give a brief account of the life and work of Samuel Garman. Garman wrote up the ichthyological material from this Albatross voyage in a magnificent book on deep-sea fishes published in 1899. This book was exceptional in its coverage, anatomical detail, and recognition of phylogenetically important morphology.

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A presente dissertação procura examinar o fenômeno do subgênero steampunk na literatura de ficção científica contemporânea, rastreando suas origens e analisando suas definições. O steampunk, em sua forma mais comum, trabalha com projeções contrafactuais do passado vitoriano, criando ambientações retrofuturistas para narrar suas histórias. A partir de indícios levantados por pesquisadores sobre a marcante influência cinematográfica sobre esta vertente, em especial das releituras feitas por Hollywood dos scientific romances britânicos e das voyages extraordinaires de Júlio Verne, procurou-se fazer uma espécie de arqueologia do subgênero a partir do projeto editorial original de Júlio Verne e seu editor Pierre-Jules Hetzel, projeto que, desde o seu início, possuía um caráter interdisciplinar e intertextual e que vai permanecer influenciando a ficção científica desde o seu estabelecimento como gênero literário autônomo. Em seguida, tentou-se demonstrar a afinidade da arte cinematográfica, desde seus primórdios, com esse projeto e abordar suas experiências de tradução visual deste universo como um desdobramento natural do corpo textual. Por último, analisou-se os componentes do steampunk (viagens no tempo, história contrafactual, mundos paralelos, ucronias ficcionais) e contextualizamos a vertente brasileira do subgênero no advento do novo romance histórico e no aumento da demanda por livros de divulgação histórica em virtude da efeméride dos 500 anos do Descobrimento do Brasil.

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地球形状的不规则性,各种导航传感器本身的误差,以及仪器的安装偏差等,使得AUV(自治水下机器人)在进行远距离自主航行时,自主导航的精度大大下降。针对以上问题及实际工程需要,论文对AUV自主导航的航位推算算法做了进一步研究并加以改进,以提高其自主导航精度。最后,利用2004年中国科学院沈阳自动化所水下机器人研究中心进行AUV湖试所获得的数据,对文中提出的算法进行了验证。结果表明,AUV的自主导航精度得到大大提高,可以用于修正原来的自主导航算法。

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Today, the only surviving wild population of giant tortoises in the Indian Ocean occurs on the island of Aldabra. However, giant tortoises once inhabited islands throughout the western Indian Ocean. Madagascar, Africa, and India have all been suggested as possible sources of colonization for these islands. To address the origin of Indian Ocean tortoises (Dipsochelys, formerly Geochelone gigantea), we sequenced the 12S, 16S, and cyt b genes of the mitochondrial DNA. Our phylogenetic analysis shows Dipsochelys to be embedded within the Malagasy lineage, providing evidence that Indian Ocean giant tortoises are derived from a common Malagasy ancestor. This result points to Madagascar as the source of colonization for western Indian Ocean islands by giant tortoises. Tortoises are known to survive long oceanic voyages by floating with ocean currents, and thus, currents flowing northward towards the Aldabra archipelago from the east coast of Madagascar would have provided means for the colonization of western Indian Ocean islands. Additionally, we found an accelerated rate of sequence evolution in the two Malagasy Pyxis species examined. This finding supports previous theories that shorter generation time and smaller body size are related to an increase in mitochondrial DNA substitution rate in vertebrates.

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This essay discusses Jean-Luc Godard’s artistic response to the Bosnian War (1992-95), and its representations in the Western mass media. For Godard, the reluctance of Europe’s advanced liberal democracies to intervene meaningfully in Bosnia – their insistence that 'humanitarianism' rather than protective intervention was the order of the day – was tantamount to supporting Serbian fascism, and – a fortiori – regressing to a policy of appeasement reminiscent of the days of the Munich Agreement. Although Godard's stance set him against some of his former compatriots on the left, speculating on his ideological motivations is beside the point. Rather, it is is in his filmmaking, in his vision of cinema, and how it relates to other histories of the image, that Godard’s sensibility can be most keenly felt and understood. As the essay points out, even his recent contribution to Jean-Michel Frodon's compilation film, Bridges of Sarajevo/Les ponts de Sarajevo (2014, 114 mn.), persists in posing questions about how the past continues to shape the present, and how Sarajevo and its contemporary history still delineates the identity of Europe. 

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(Résumé de l'ouvrage) La chamane sibérienne Darima Boudaraevna se livre ici dans un entretien exceptionnel, traduit du russe et du bouriate. Elle raconte son parcours et son initiation de chamane, ainsi que sa pratique du chamanisme au quotidien. Investie d'un rôle à la fois social, psychologique et spirituel, elle vient en aide à ceux qui s'adressent à elle, que ce soit pour l'achat d'une voiture, la guérison de proches ou la recherche d'une âme au seuil du royaume des morts. Les descriptions des perceptions de la chamane au cours des rituels et lors de ses voyages dans l'avenir et le passé sont saisissantes. Cet entretien est accompagné de textes situant le chamanisme sibérien dans son contexte et dans son rapport aux autres religions.

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Variante(s) de titre : Journal des voyages

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Collection : Recueil de voyages et de documents pour servir à l'histoire de la géographie depuis le XIIIe jusqu'à la fin du XVIe siècle ; 21

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Référence bibliographique : Rol, 59958