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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Questiones longe super librum Perihermeneias

Buridan, Jean, Lecq, Ria van der, January 1900 (has links)
Thesis (doctoral)--Rijksuniversiteit te Leiden, 1983. / At head of title: Johannes Buridanus. Vita. Text in Latin; introduction and notes in English. Includes indexes. Errata leaf inserted. Includes bibliographical references (p. lviii-lx).
2

Dinâmica de populações em autômatos celulares / Cellular Automata Population Dynamics

Cardozo, Giovano de Oliveira 22 August 2006 (has links)
O estudo da dinâmica de populações vem adquirindo grande importância atualmente, por suas aplicações nas mais diversas áreas do conhecimento, como a biologia evolutiva, ecologia, economia e computação, entre outras. O uso de redes, ou autômatos celulares, para modelar dinâmicas populacionais é um recurso frequentemente utilizado por sua simplicidade no tratamento de problemas com alto grau de complexidade. Neste trabalho utilizamos autômatos celulares para simular dinâmicas populacionais onde analisamos transições de fases longe do equilíbrio em modelos de replicação em uma e duas dimensões, classificando-as de acordo com suas classes de universalidade. Também utilizamos redes para estudar as possíveis origens dos ciclos primos presentes nas cigarras do gênero Magicicada que habitam a América do Norte, mostrando que a predação não é necessária para o surgimento deste comportamento. / The study of population dynamics becomes even more important nowadays because of its applications in a wide range of subjects, such as evolutive biology, ecology, economics and computational sciences, among many others. The use of networks, as well as cellular automata, to simulate populational dynamics is an ordinary tool because of its simplicity in the treatement of very complicated problems. In this work we use cellular automata to simulate populational dynamics where non equilibrium phase transitions in replicator models in one and two dimensions are analyzed and characterized by their universality classes. We also use cellular automata to study the possible origins of prime number cycling present in northern american Magicicada, showing that it is possible to generate prime number year life cycles whithout any predation effects.
3

Representações da integração cultural das comunidades de origem alemã no Rio Grande do Sul do estado novo : um estudo das obras Um rio imita o reno e Longe do reno

Weber, Paula Cristina 23 August 2013 (has links)
Esta dissertação analisa a representação das comunidades de descendentes de imigrantes alemães no Rio Grande do Sul, durante o período do Estado Novo, sob a ótica de duas obras literárias de autores gaúchos, escritas nesse período: Um rio imita o Reno, de Vianna Moog, publicada em 1939, e Longe do Reno – Uma resposta a Vianna Moog, de Bayard Mércio, publicada em 1940. É realizada uma discussão sobre a forma como esses imigrantes eram percebidos em sua relação com a sociedade brasileira, ou seja, se havia uma integração desses grupos na cultura do país e na defesa dos interesses nacionais, ou se eles ainda permaneciam vivendo a cultura de seus antepassados e mantendo relações com a política alemã. / Submitted by Marcelo Teixeira (mvteixeira@ucs.br) on 2014-07-03T16:28:17Z No. of bitstreams: 1 Dissertacao Paula Cristina Weber.pdf: 1939225 bytes, checksum: 777491c7f741eb15a5fb3366bc367ebd (MD5) / Made available in DSpace on 2014-07-03T16:28:17Z (GMT). No. of bitstreams: 1 Dissertacao Paula Cristina Weber.pdf: 1939225 bytes, checksum: 777491c7f741eb15a5fb3366bc367ebd (MD5) / This dissertation examines the representation of communities of German immigrant descendants in Rio Grande do Sul, during the Estado Novo, from the perspective of two literary works written by authors from this state, during the period: Um rio imita o Reno (“A river imitates the Reno”), by Vianna Moog, published in 1939, and Longe do Reno – uma resposta a Vianna Moog (“Far from Reno – an answer to Vianna Moog”), by Bayard Mércio, published in 1940. Is held a discussion about how these immigrants were perceived in their relationship with Brazilian society; in other words, whether there was an integration of these groups into the culture of the country and in the defense of national interests, or if they were still living the culture of their ancestors and maintaining relationships with German politics.
4

Dinâmica de populações em autômatos celulares / Cellular Automata Population Dynamics

Giovano de Oliveira Cardozo 22 August 2006 (has links)
O estudo da dinâmica de populações vem adquirindo grande importância atualmente, por suas aplicações nas mais diversas áreas do conhecimento, como a biologia evolutiva, ecologia, economia e computação, entre outras. O uso de redes, ou autômatos celulares, para modelar dinâmicas populacionais é um recurso frequentemente utilizado por sua simplicidade no tratamento de problemas com alto grau de complexidade. Neste trabalho utilizamos autômatos celulares para simular dinâmicas populacionais onde analisamos transições de fases longe do equilíbrio em modelos de replicação em uma e duas dimensões, classificando-as de acordo com suas classes de universalidade. Também utilizamos redes para estudar as possíveis origens dos ciclos primos presentes nas cigarras do gênero Magicicada que habitam a América do Norte, mostrando que a predação não é necessária para o surgimento deste comportamento. / The study of population dynamics becomes even more important nowadays because of its applications in a wide range of subjects, such as evolutive biology, ecology, economics and computational sciences, among many others. The use of networks, as well as cellular automata, to simulate populational dynamics is an ordinary tool because of its simplicity in the treatement of very complicated problems. In this work we use cellular automata to simulate populational dynamics where non equilibrium phase transitions in replicator models in one and two dimensions are analyzed and characterized by their universality classes. We also use cellular automata to study the possible origins of prime number cycling present in northern american Magicicada, showing that it is possible to generate prime number year life cycles whithout any predation effects.
5

Representações da integração cultural das comunidades de origem alemã no Rio Grande do Sul do estado novo : um estudo das obras Um rio imita o reno e Longe do reno

Weber, Paula Cristina 23 August 2013 (has links)
Esta dissertação analisa a representação das comunidades de descendentes de imigrantes alemães no Rio Grande do Sul, durante o período do Estado Novo, sob a ótica de duas obras literárias de autores gaúchos, escritas nesse período: Um rio imita o Reno, de Vianna Moog, publicada em 1939, e Longe do Reno – Uma resposta a Vianna Moog, de Bayard Mércio, publicada em 1940. É realizada uma discussão sobre a forma como esses imigrantes eram percebidos em sua relação com a sociedade brasileira, ou seja, se havia uma integração desses grupos na cultura do país e na defesa dos interesses nacionais, ou se eles ainda permaneciam vivendo a cultura de seus antepassados e mantendo relações com a política alemã. / This dissertation examines the representation of communities of German immigrant descendants in Rio Grande do Sul, during the Estado Novo, from the perspective of two literary works written by authors from this state, during the period: Um rio imita o Reno (“A river imitates the Reno”), by Vianna Moog, published in 1939, and Longe do Reno – uma resposta a Vianna Moog (“Far from Reno – an answer to Vianna Moog”), by Bayard Mércio, published in 1940. Is held a discussion about how these immigrants were perceived in their relationship with Brazilian society; in other words, whether there was an integration of these groups into the culture of the country and in the defense of national interests, or if they were still living the culture of their ancestors and maintaining relationships with German politics.
6

Quantification of potential elemental impact of a munitions production and testing facility on its immediate surroundings / Unique Janse van Rensburg

Janse van Rensburg, Unique January 2010 (has links)
The study attempted to quantify the elemental concentrations and possible accumulation levels in the antelope's organ tissue at Rheinmetal Denel Munitions (RDM), as well as to correlate the findings with the surrounding environment. To achieve this, the elemental concentrations within the kidney, liver and lung tissue of the antelope, and environmental factors such as the soil, vegetation and waterholes were quantified. STATISTICA was used to determine meaningful differences between variables and Canoco to determine the relationship between the different datasets. PCA analyses of the vegetation confirmed that the natural slope at RDM could have contributed to the distribution and variation of the elemental concentration. It became apparent that positive associations existed between the liver tissue and the K, the kidney tissue and Ni and Cd, and the lung tissue had a positive association with Mg, Mn, V, Rb and Co elemental concentrations. It became evident in this study that the elemental concentrations of Al and Ni were higher in the liver and kidney tissue of the antelope than the recommended concentration for livestock (Puls, 1994). The elemental concentration of Al, Ca, Fe and Mn also exceeded the recommended elemental concentration for livestock, in the water sampled at RDM (Puls, 1994). Four distinct areas were identified within the study area, the area above the factory, the area under the factory, the testing area and the area under the factory. Significant differences between the testing area and the area under the factory were found regarding the Tl, Ag, Hg and B elemental concentrations in the vegetation. Furthermore, it became apparent that the amount of precipitation could have contributed to the variation of the elemental concentrations and distribution in the study area as well as in the organ tissue of the antelope. / Thesis (M.Sc. (Environmental Science and Management))--North-West University, Potchefstroom Campus, 2011.
7

Quantification of potential elemental impact of a munitions production and testing facility on its immediate surroundings / Unique Janse van Rensburg

Janse van Rensburg, Unique January 2010 (has links)
The study attempted to quantify the elemental concentrations and possible accumulation levels in the antelope's organ tissue at Rheinmetal Denel Munitions (RDM), as well as to correlate the findings with the surrounding environment. To achieve this, the elemental concentrations within the kidney, liver and lung tissue of the antelope, and environmental factors such as the soil, vegetation and waterholes were quantified. STATISTICA was used to determine meaningful differences between variables and Canoco to determine the relationship between the different datasets. PCA analyses of the vegetation confirmed that the natural slope at RDM could have contributed to the distribution and variation of the elemental concentration. It became apparent that positive associations existed between the liver tissue and the K, the kidney tissue and Ni and Cd, and the lung tissue had a positive association with Mg, Mn, V, Rb and Co elemental concentrations. It became evident in this study that the elemental concentrations of Al and Ni were higher in the liver and kidney tissue of the antelope than the recommended concentration for livestock (Puls, 1994). The elemental concentration of Al, Ca, Fe and Mn also exceeded the recommended elemental concentration for livestock, in the water sampled at RDM (Puls, 1994). Four distinct areas were identified within the study area, the area above the factory, the area under the factory, the testing area and the area under the factory. Significant differences between the testing area and the area under the factory were found regarding the Tl, Ag, Hg and B elemental concentrations in the vegetation. Furthermore, it became apparent that the amount of precipitation could have contributed to the variation of the elemental concentrations and distribution in the study area as well as in the organ tissue of the antelope. / Thesis (M.Sc. (Environmental Science and Management))--North-West University, Potchefstroom Campus, 2011.

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