87 resultados para centros urbanos


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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Pós-graduação em Educação para a Ciência - FC

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Pós-graduação em Agronomia (Produção Vegetal) - FCAV

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Pós-graduação em Estudos Literários - FCLAR

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In recent years it was possible to see a considerable growth of distance education, while the classroom teaching had a more modest growth. Thus, maintained this scenario, it will not take long for the quantitative indicators of distance education outweigh the classroom education. The distance education is evolving rapidly and changing traditional methods of acquiring knowledge and reduce inequalities caused by isolation and distance from large urban centers. This work aims to develop a videolesson and analyze its application in the teaching of statistics to a class of students of FEG, using modern techniques of distance education. To that end, was record a videolesson and developed two assessment tools, one practical and the other qualitative. The results showed that students prefer to follow the resolution of examples, with high degree of difficulty, and the audio recording is a key to the proper understanding of the same. In addition, students consider important mainstay of distance education, the fact that you can attend a class several times, whenever you need it, anywhere

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Among numerous studies about the selective collection of solid waste and cooperatives of recyclable materials, this research aims to contribute with the study of these problems from the geographic space. As the world population increases, the issue of solid waste becomes increasingly worrying, due to new consumption patterns that create larger amounts of waste, especially in the urban centers. The recycling appears to be the best solution for this problem since most materials that are currently sent to landfills would become raw material for new products. The Triage Centers performs an important role in this process because they are responsible for sorting, packing and selling the materials arising from the selective collect, so it is necessary to analyze the places where these steps are performed. This study intend to examine the location and distribution of these enterprises in the city of São Paulo in order to provide support for the mitigation of impacts, both environmental and social, from their location, as well as provide support for the expansion of selective collection program in the city. The choice for studying this area was due to the curiosity of investigating the inefficiency of the recycling program in the city of São Paulo, which currently recycles about 1% of all household solid waste collected. Therefore, from a historical survey of the city's recycling programs, technical visits, interviews with responsible agencies and also analysis of the Triage Center's frameworks based on the guidelines from the municipal legislation, it will be evaluated the problems faced by the program for its expansion

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The displacement of writing emerged in urban centers due to its investment in technology and has been developed in major newspapers around the world. With the advent of the internet and technological development, the writing went from analog to digital. That made it no longer required the presence of the journalist in the physical redaction means modifying the various management structures of a writing routine and professional. This happened to capture, edit and distribute your notes, news and reports in online mode. This monograph aims to understand and define the macro change of virtualization in journalism, considering the stages of production of Le Monde Diplomatique, a newspaper whose writing is in process of deterritorialization, the people involved in this activity and the resources used and contributing to the debate on new forms of organization of an editorial environment

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The issue of waste, historically, has been getting worse as a result of the world´s population increase and in order to meet their needs the consumption of natural resources and the generation has been constantly increasing, especially in large urban centers. The people involved in the collection of recyclable solid waste, called from now on as collectors, are responsible for about 90% of the waste sent to recycling industry in Brazil. Apart from having a role in the economy, the collectors have specific knowledge and skills necessary to identify, collect, sort and sell these wastes. This study aims to examine the possibilities and limits of COOPERVIVA – Cooperativa de Trabalho dos Catadores de Material Reaproveitável de Rio Claro - as an instrument of the municipal solid waste management system, and its experience as a recyclable waste collectors cooperative. The methodological procedures of this study rely on the literature research on the experiences of cooperative and the management of municipal solid waste. In addition to this review of the literature, fortnightly visits to the cooperative were held in order to experience their daily activities, and testimonies of the cooperative members were collected as well as documents and reports produced by COOPERVIVA. The results of this analysis are considerations of the limitations of the cooperative and recommendations aimed at maximizing their potential as a tool of the domestic solid waste management system of and as a recyclable waste collectors cooperative. Among other things it can be concluded that the urban selective collection of waste challenges the community to the reinvention of life and the relationships each individual with the planet.

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In this paper are compared two methods of deploying electrical substations, conventional type, when installed at open areas (Air Insulated Switchgear - AIS), and compact gas-insulated (Gas Insulated Switchgear - GIS) when installed inside buildings. With the expansion of urban centers, areas available for deployment of conventional substations become increasingly difficult to find in these locations. Also due to speculation in urban areas, it becomes feasible to install Gas Insulated Switchgear. This paper presents and evaluates criteria with advantages and disadvantages for application of the two methodologies, aiming to assist in decisionmaking moment of choice in deployment of Electric Power Substations in two scenarios. It is expected that at the end of this work, the criteria evaluated assist in this decision making

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Considering the growing degradation of the urban environmental quality resulting from the progressive sound pollution increase, as well as the consequent harmful effects about the human health, the present study had its central objective the argument and management tools implementation of the urban noise that can be integrated to the environmental planning in the city of Rio Claro (SP). Therefore, normative and bibliographical revisions were developed, that made feasible the directives of control argument and prevention of the urban noise, as well as the technical procedures of sound levels and evaluation’s definition and especially about the criteria applicable for the elaboration of an urban acoustic zoning methodology. Among the main results obtained detach: (1) the applicable legislation to the management of urban noise’s synthesis and argument; (2) the methodology of urban acoustic zoning development and (3) its implementation to determined areas of Rio Claro (SP) with the (4) respective cartography representation; (5) the mapping of sound levels in the central zone of Rio Claro (SP), (6) the obtaining and analysis of noise describers (LAeq, Lmáx, L10, L50, L90, Lmin and TNI) and the subsequent (7) acoustic maps elaboration for the main describers.

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The growing interest in the use of groundwater resources is directly related to the economic advantages that the groundwater exploitation offers when compared to surface waters. This happens especially in large urban centers, such as the city of Americana / SP, where the rivers are increasingly contaminated by household and industrial waste. Therefore, this study aimed to characterize the Tubarão Aquifer System, in the city of Americana, to identify and evaluate the spatial distribution of different hydrogeochemical facies as well as understand the rock-fluid interaction through the construction of a conceptual hydrogeochemical model. This study was made based on the recognition of the possible chemical reactions that print the chemical characteristics of groundwater in the area. To do the job, there were two water sampling campaigns of all deep wells used by the City of Americana public water supply. From the results of hydrochemical, classification of water was made by Piper and Stiff diagrams as well as geostatistical data using cluster analysis of principal components. Based on information from the profiles obtained from the survey SIAGAS as well as in geological profiles provided by the city of Americana, we sought to detail the subsurface geology of the Subgroup Itararé in the city of Americana. The results obtained allowed the identification of three hydrochemical types in the study area: Bicarbonated calcium-sodium (1), bicarbonate sodium (2) and sodium chloride (3). The waters have bicarbonate alkaline pH to alkaline and can be considered weakly saline, with electrical conductivity values of around 161 mS / cm. Samples classified as sodium bicarbonate average of 174.99 mS / cm. The pH values ranging from 6.74 to 7.99, averaging 7.52. For the group of waters classified as sodium chloride, conductivity average is 164.32 mS / cm and pH values ranging... (Complete abstract click electronic access below)

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A agricultura em ambientes urbanos (AU) é um fenômeno socioambiental crescente em todo o mundo e pode estar associada à promoção de segurança alimentar e nutricional de uma população. No Brasil, o movimento da revolução verde favoreceu a monocultura e a concentração da posse da terra, que, decorrentemente impulsionaram o êxodo rural, em que os pequenos agricultores, na busca por melhores condições de vida, se locomoveram aos centros urbanos. O município de Santa Gertrudes, localizado no interior do estado de São Paulo, apresenta 98% dos habitantes residindo na zona urbana. O objetivo deste trabalho é compreender a agricultura urbana do Município de Santa Gertrudes, abordando: o perfil dos agricultores, as suas motivações, os seus locais de plantio e suas escolhas de cultivos, enfocando principalmente em lotes vagos na malha urbana. O estudo foi realizado em três etapas a partir de uma abordagem etnobotânica: 1) mapeamento dos lotes cultivados, 2) censo que abordou as questões socioeconômicas e de cultivo e 3) estudo detalhado com uma amostra determinada aleatoriamente, que aborda as condições socioeconômicas dos agricultores, suas histórias de vida, a caracterização do ambiente de plantio e o levantamento das espécies cultivadas, a partir de um inventário, com ênfase em raízes e tubérculos. Para o levantamento dos mesmos utilizou-se de entrevistas estruturadas e semi-estruturadas. As análises dos dados foram realizadas de maneira descritiva. Foram encontrados 52 lotes cultivados, destes, 43 participaram do censo e 20 da amostra. Os agricultores são representados principalmente por homens, a maioria é idosa e migrante de zonas rurais e grande parcela destes é oriunda do estado de Minas Gerais. Mais da metade dos lotes cultivados estão em áreas institucionais. As atividades realizadas são voluntárias e motivadas em grande parte por interesses individuais, trazendo benefícios para os praticantes em...

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The Atlantic forest has a large number of endemic species due to the varieties of environments, altitudes, and climates found along its distribution. The species Brachycephalus ephippium is an example of endemic anuran from this forest formation, occurring in the states of São Paulo, Rio de Janeiro and Minas Gerais, between 750 and 1200 m altitude. This species is abundant in the Serra do Japi, an Atlantic Forest remnant, which houses high biodiversity, located in Jundiaí city, between three big urban centers in the state of São Paulo. This remnant, which has altitude ranging between 700 and 1300 meters, is threatened by global climate changes and, spite of legally protected, by intense pressure of urbanization. The aim of the present study was to verify the association between of environmental variables with the abundance and distribution of B. ephippium in the Serra do Japi. The air relative humidity showed a positive correlation with the presence of B. ephippium individuals and the best model to explain the abundance involved air relative temperature and litter temperature. These results allowed the investigation of the environment use by this species and can be used to provide conservationist actions

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The Guaraní aquifer has relevant importance both as a source of water for several urban centres and the development of agriculture and livestock. In recharge areas the aquifer is free and, therefore, subject to contamination of effluents and tailings deposited on soils that cover it. Thus, it becomes crucial not only its protection at all levels, as the knowledge of its degree of natural vulnerability. The present work used geostatistics modeling techniques to study the natural vulnerability of the Guaraní aquifer in the city of Rio Bonito, State of São Paulo, southeastern Brazil, where the Guarani aquifer is exposed. These techniques, extensively used in evaluation studies of mineral deposits and oil tanks, can be adapted to produce a spatial classification or a regionalisation of probabilistic indices of vulnerability. By ordinary kriging method maps of vulnerability classification were obtained. To determine the vulnerability of the aquifer was employed the Aquifer Vulnerability Index (AVI), which requires knowledge of unsaturated zone thickness and permeability. The final product was a map with probabilistic index of vulnerability of the Guaraní aquifer, which presented values between 0 to 0.33 years, framing the area studied in AVI class extremely high vulnerability