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    <title>DSpace Community: Inclui teses, dissertações e trabalhos de conclusão de mestrado profissional produzidos na UFRJ e/ou por autores da UFRJ.</title>
    <link>http://hdl.handle.net/11422/1</link>
    <description>Inclui teses, dissertações e trabalhos de conclusão de mestrado profissional produzidos na UFRJ e/ou por autores da UFRJ.</description>
    <pubDate>Mon, 06 Apr 2026 18:14:32 GMT</pubDate>
    <dc:date>2026-04-06T18:14:32Z</dc:date>
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      <title>Três décadas de atraso na gestão de resíduos sólidos : conflitos socioambientais e mediação de interesses  na construção da política nacional de resíduos sólidos (1989-2024)</title>
      <link>http://hdl.handle.net/11422/29025</link>
      <description>Title: Três décadas de atraso na gestão de resíduos sólidos : conflitos socioambientais e mediação de interesses  na construção da política nacional de resíduos sólidos (1989-2024)
Author(s)/Inventor(s): Morais, Karine Tavares
Advisor: Quintslr, Suya
Abstract: This research seeks to analyze the construction of the National Solid Waste Policy (PNRS) based on the study of legitimization, processing, elaboration, approval and execution of law 12.305/10 and its decrees after 19 years of socio-environmental conflicts in the Brazilian National Congress. The objective is to identify the relationship between the characteristics that formed the PNRS based on the sociopolitical determinants and economic interests that have been present in two decades of legislative resolutions to date. For this purpose, we recomposed the history of the PNRS processing in the Federal Congress with the support of field research with the mapped actors. The aim was to understand how a law goes through a long period of time for approval without resulting in satisfactory regulations regarding better management of Brazilian solid waste. Next, we examine whether the sectors responsible for the legal determination known as shared responsibility are responding to legal determinations given the importance of a law that will soon complete 15 years of its approval. In view of this, the aim is to identify and characterize the socio environmental conflicts embedded in the legal obligation of the PNRS, in view of the economic interests of the industrial sector and, notably, how such conflicts streamline or hinder decision – making between the Public Power and business representation entities. Finally, we delve into the factors that the policy to be approved in 2010 would be immersed in and how the years of processing the law shaped these aspects, namely: the regional issue, planar issues, the organizational field of solid waste in the country and the on going dispute over incineration. The investigation is based on documentary and field research, through which it was possible to investigate the processes of legitimizing the waste problem as a socio-environmental problem, and the preparation and approval of the PNRS, understanding how some of the environmental conflicts surrounding waste management determined the final wording of the policy. Likewise, generators or representative sectors resist the responsibility of bearing the burden of Reverse Logistics without compensation from the public sector. The central role og the Ministry of the Environment can be seen in mediating between economic agents and institutions representing the segments involved with the effective implementation of the main guidelines of 12.305/10, decrees, related standards and their updates.
Publisher: Universidade Federal do Rio de Janeiro
Type: Tese</description>
      <pubDate>Tue, 19 Aug 2025 00:00:00 GMT</pubDate>
      <guid isPermaLink="false">http://hdl.handle.net/11422/29025</guid>
      <dc:date>2025-08-19T00:00:00Z</dc:date>
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      <title>Relação entre florações de algas e ocorrência de névoas e nevoeiros marítimos durante o verão na Baía de Guanabara</title>
      <link>http://hdl.handle.net/11422/29010</link>
      <description>Title: Relação entre florações de algas e ocorrência de névoas e nevoeiros marítimos durante o verão na Baía de Guanabara
Author(s)/Inventor(s): Pinto, Ana Beatriz de Souza
Advisor: Palmeira, Ana Cristina Pinto de Almeida
Abstract: The study of interactions between algal blooms and the formation of fog and mist in Guanabara Bay aims to deepen the understanding of how environmental and meteorological variables may influence visibility reduction events in this region, which holds significant environmental and socioeconomic importance in the state of Rio de Janeiro. Variables investigated included sea surface temperature (SST), salinity, visibility, tidal conditions, and climate indices, along with algal bloom data derived from Sentinel-2 and Sentinel-3 satellite images. Days selected for analysis were focused on periods when fog or mist was observed at the Galeão and Santos Dumont airports and availability of cloud-free satellite imagery. Analyses involved Pearson correlation calculations among variables, followed by the application of Principal Component Analysis (PCA) to identify multivariate interactions and complex patterns that would not be detected by simple correlation methods. The results indicated that although direct correlations among variables were generally weak, there were signs that algal blooms, interacting with factors such as SST and salinity, may contribute to fog formation, particularly in the inner bay areas, where oceanic water circulation is less intense. The application of PCA reinforced these observations, also indicating that La Niña events appear to intensify the frequency and duration of fog events at Santos Dumont Airport, suggesting a nonlinear interaction between oceanic indices and local variables. The findings highlight the importance of integrated approaches in analyzing complex atmospheric phenomena and suggest the need for future investigations that include continuous monitoring, additional data on water quality, and characterization of algal species in blooms for a more detailed understanding of these interactions
Publisher: Universidade Federal do Rio de Janeiro
Type: Dissertação</description>
      <pubDate>Wed, 01 Jan 2025 00:00:00 GMT</pubDate>
      <guid isPermaLink="false">http://hdl.handle.net/11422/29010</guid>
      <dc:date>2025-01-01T00:00:00Z</dc:date>
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    <item>
      <title>Eticas ordinarias: relaciones de vecindad, tensiones morales y horizontes de violencia en el Valle del Risaralda</title>
      <link>http://hdl.handle.net/11422/29003</link>
      <description>Title: Eticas ordinarias: relaciones de vecindad, tensiones morales y horizontes de violencia en el Valle del Risaralda
Author(s)/Inventor(s): Salazar, Sergio
Advisor: Comerford, John Cunha
Abstract: This thesis addresses ordinary ethics and, in this context, the construction of moral values in the daily life of a community in the Risaralda Valley, Colombia. Based on the ethnographic description and analysis of everyday situations in the village of El Mañana, municipality of Viterbo, related to land ownership, work, use and disputes over the control of traffic on public roads, relationships with the natural environment, forms of agricultural and livestock production, and the construction of killable subjects, it reveals moral tensions that emerge in daily life, especially manifest in neighborhood relations. In these tensions, the presence, whether spectral or material of violence, becomes evident, which in one way or another emerges and affects the construction of moral values and social relations of the inhabitants.
Publisher: Universidade Federal do Rio de Janeiro
Type: Tese</description>
      <pubDate>Mon, 24 Feb 2025 00:00:00 GMT</pubDate>
      <guid isPermaLink="false">http://hdl.handle.net/11422/29003</guid>
      <dc:date>2025-02-24T00:00:00Z</dc:date>
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      <title>Vitamina D em crianças e adolescentes com dermatite atópica em uma região ensolarada: níveis séricos e correlação com a gravidade</title>
      <link>http://hdl.handle.net/11422/29001</link>
      <description>Title: Vitamina D em crianças e adolescentes com dermatite atópica em uma região ensolarada: níveis séricos e correlação com a gravidade
Author(s)/Inventor(s): Andre, Adriana da Silva Diaz
Advisor: Goudouris, Ekaterini Simoes
Abstract: The fact that some studies show the role of vitamin D in both the epidermal barrier and the immune system has sparked the interest of many authors in establishing a relationship between its serum levels and some skin diseases, such as atopic dermatitis (AD). This observational study aimed to examine the serum vitamin D levels of children with atopic dermatitis and their correlation with disease severity, as well as to determine whether children with AD can be considered a risk group for vitamin D deficiency. Eighty serum 25(OH)D measurements were performed on 79 children with atopic dermatitis between seven months and 16 years of age between 2021 and 2023. Most patients (82%) presented with vitamin D insufficiency or deficiency, and patients with more severe AD had lower serum levels of 25(OH)D, although this correlation was not statistically significant. It was concluded that vitamin D deficiency was highly prevalent in children with atopic dermatitis living in a sunny region.
Publisher: Universidade Federal do Rio de Janeiro
Type: Dissertação</description>
      <pubDate>Wed, 25 Feb 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="false">http://hdl.handle.net/11422/29001</guid>
      <dc:date>2026-02-25T00:00:00Z</dc:date>
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