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Diálogos Contemporâneos em Geografia
Prezados leitores, Apresentamos agora a segunda coleção de textos “Diálogos Contemporâneos em Geografia”, com reflexões, teorizações e pesquisas no âmbito do curso de Pós-Graduação do Departamento de Geografia da Universidade de Brasília. É sempre um prazer publicar estudos que mostram um mundo tão atual com teorizações e reflexões sobre problemas que reúnem a espacialidade, na relação sociedade/natureza, e a temporalidade de suas transformações, pois a vida do mundo se processa no espaço e no tempo desde os primeiros momentos em que a Geografia é pensada. Nos tempos modernos, na atualidade, os estudos geográficos se fazem com fotos, cartografia, teorias e métod...
Memória, etnodesenvolvimento e sustentabilidade na comunidade Quilombola Vó Elvira de Pelotas (RS)
O objetivo desta tese foi analisar como ocorre a sustentabilidade na comunidade Quilombola Vó Elvira, localizada no Município de Pelotas/RS, sob a compreensão da memória social e do etnodesenvolvimento. A metodologia caracterizou-se como estudo de caso, de natureza aplicada e descritiva, com abordagem de cunho qualitativo, sendo analisados dados secundários segundo a análise temática. Os resultados das análises apontaram que os integrantes da comunidade quilombola Vó Elvira enfrentam diariamente um racismo pouco sutil em contextos coletivos como universidades, bancos e lojas, sendo a eles atribuído um espaço intersubjetivo de não merecimento, caracterizado como um mecanismo de ne...
Authentic Problem Solving and Learning in the 21st Century
With the rapid changes in the social, political, economic and technological landscape around the world, today’s learners face a more globally competitive job market after leaving school. The 21st century, which is characterized by the emergence of knowledge-based societies, expects learners to be comfortable in dealing with ambiguities and complexities in the real world and to be able to use knowledge as a tool at their workplace. This book will help readers develop an in-depth understanding of authentic problem solving and learning, and how it can be used to make a difference in their school or learning communities for the development of 21st century competencies. Comprising 20 chapters w...
Quadrature RC−Oscillators
This book presents a tutorial review of van der Pol model, a universal oscillator model for the analysis of modern RC−oscillators in weak and strong nonlinear regimes. A detailed analysis of the injection locking in van der Pol oscillators is also presented. The relation between the van der Pol parameters and several circuit implementations in CMOS nanotechnology is given, showing that this theory is very useful in the optimization of oscillator key parameters, such as: frequency, amplitude and phase relationship. The authors discuss three different examples: active coupling RC−oscillators, capacitive coupling RC−oscillators, and two-integrator oscillator working in the sinusoidal regi...
Exame
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Manchete
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The Major Transitions in Evolution
During evolution there have been several major changes in the way genetic information is organized and transmitted from one generation to the next. These transitions include the origin of life itself, the first eukaryotic cells, reproduction by sexual means, the appearance of multicellular plants and animals, the emergence of cooperation and of animal societies. This is the first book to discuss all these major transitions and their implications for our understanding of evolution.Clearly written and illustrated with many original diagrams, this book will be welcomed by students and researchers in the fields of evolutionary biology, ecology, and genetics.
Medical and Applied Malacology Crossing Boundaries
This book provides an overview of the XI International Congress on Medical and Applied Malacology: â oeCrossing Boundaries: Integrative Approaches to Malacologyâ . The event was held at the State University of Rio de Janeiro between the 25th and 29th of September 2012. A number of the plenary lecturers from the conference were invited to contribute their papers to these proceedings, as were speakers whose papers were eligible for student awards. The volume contains articles on bioprospecting methods; medical malacology; aquaculture; biomonitoring; alien species; reproductive and developmental biology; interdisciplinary teaching and education; and trends in malacological research. The information contained here will convey to the general public the importance of mollusks to human and animal health, as well as their applications in various areas of knowledge.
