State Interference
Mostrando 25-36 de 261 artigos, teses e dissertações.
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25. New strategies for planning and performance evaluation of wireless networks: case studies based on the cross-layer approach
The use of wireless local area networks, called WLANs, as well as the proliferation of the use of multimedia applications have grown rapidly in recent years. Some factors affect the quality of service (QoS) received by the user and interference is one of them. This work presents strategies for planning and performance evaluation through an empirical study of
J. Microw. Optoelectron. Electromagn. Appl.. Publicado em: 2013-06
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26. IMPACTO DA VERTICALIZAÇÃO NA QUALIDADE DO ESPAÇO RESIDENCIAL: UM ESTUDO NO BAIRRO DE TAMBAÚ, NA CIDADE DE JOÃO PESSOA - PB
This research has as theme the impact of the verticalization in the quality of urban residential space considering that, such process might interfere in the quality of life of the population living on site, and that it is this space that develops the daily lives of residents of a city. The study aims to analyze this impact, using as a basis methodological a
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 16/11/2012
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27. The effects of trust in Brazilian PNPs: interpersonal and interorganizational trust in the cultural sector social organizations in São Paulo, Brazil
This study seeks to evaluate how interorganizational and interpersonal trust affects the degree of State interference in the operations of public-nonprofit partnerships (PNPs). We conducted a qualitative case study in two Brazilian PNPs, Projeto Guri and Orquestra Sinfônica do Estado de São Paulo, through documental analysis and semi-structured interviews.
Publicado em: 06/06/2012
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28. Contribuições do uso do cinema para o ensino de ciências: tendências entre 1997 e 2009 / Contributions of using cinema for science education: trends between 1997 and 2009.
Taking into consideration the influence caused by the media in our society, this dissertation seeks to analyze qualitatively the academic production dealing with the use of Cinema with focus on teaching Science. For this purpose three databases were searched (ENPEC, CEDOC and SIBIUSP) in a specific time frame (1997 to 2009) and were based on a methodology ce
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 13/04/2012
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29. Tipo de secagem e armazenamento na qualidade de sementes de Jatropha curcas L. / Type of drying and storage on quality of seeds of Jatropha curcas L.
The economic importance of biofuels in the Brazilian national scene has increased interest in crops such as physic nut. The study aimed to determine the effects of drying, environment and period of storage in fruits and seeds of Jatropha curcas L. and the interference of these variables in seed quality. The experiment was conducted at the Laboratory of Techn
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 24/02/2012
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30. Democracia e eficiência: a difícil relação entre política e economia no debate contemporâneo
Democracy and efficiency: hard relations between politics and economy. Many economists see politics as an irrational activity. They also think state action usually generates market inefficiencies and democratic institutions, such as elections, often work as obstacles to sound economic measures. Showing that vision has been embedded into the main currents of
Brazil. J. Polit. Econ.. Publicado em: 2012-12
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31. Um estudo sobre a robustez de técnicas de processamento de sinais em sistemas MIMO / A study regarding robustness of signal processing techniques in MIMO systems
Multiple antenna wireless communication systems achieve high data transmission rates and good robustness to channel fading when signals traveling through the system are jointly processed in their transmitters and/ or receivers. In general, signal detection techniques assume perfect knowledge of the channel state information, in both transmitter and receiver,
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 17/06/2011
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32. Sugarcane crop efficiency in two growing seasons in São Paulo State, Brazil.
A conceptual framework for crop production efficiency was derived using thermodynamic efficiency concept, in order to generate a tool for performance evaluation of agricultural systems and to quantify the interference of determining factors on this performance. In Thermodynamics, efficiency is the ratio between the output and input of energy. To establish th
Pesquisa Agropecuária Brasileira. Publicado em: 2011
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33. O DIZER NA E SOBRE A LÍNGUA DE SUJEITOS DESCENDENTES DE IMIGRANTES ITALIANOS E A FRONTEIRA ENUNCIATIVA / THE SAYING IN AND ON LANGUAGE OF DECENDANTS OF ITALIAN IMMIGRANTS AND THE FRONTEIRA ENUNCIATIVA
This work aims to study the functioning of discursive memory, language and fronteira enunciativa memory in statements of descendants of Italian immigrants. Such statements were retrieved from texts of interviews with five descendents who live in the city Ivorá, Fourth Colony of Italian immigration. For this research, we firstly considered a few aspects of h
Publicado em: 2011
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34. Efeitos inibitÃrios da sertralina no sistema urinÃrio de ratos. / Inhibitory effects of sertraline on rat urinary system.
Sertraline, a drug belonging to the family of selective serotonin reuptake inhibitors, is used in antidepressant therapy, and has good tolerance with low incidence of side effects. Here we have characterized the pharmacological effects of sertraline on the pattern of voiding anesthetized rats, on the renal functional parameters of isolated rat kidney and on
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 29/11/2010
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35. Marking behavior of the giant anteater Myrmecophaga tridactyla (Mammalia: Myrmecophagidae) in Southern Brazil
This research presents novel data on tree marking by the giant anteater, a large Neotropical mammal threatened in the state of Paraná and other areas of Brazil, and nearly threatened worldwide. Field work was carried out in the municipality of Jaguariaíva, Paraná (Southern Brazil) with the goal of evaluating the pine marking behavior of the giant anteater
Zoologia (Curitiba). Publicado em: 2010-02
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36. Fungos micorrízicos arbusculares em ecossistema de Mata Seca no norte de Minas Gerais. 2010. / Arbuscular mycorrhizal fungi in Dry Forets ecosystems in north of Minas Gerais. 2010. 68 p. Dissertation (MSc in Plant Biotechnology and Applied). Institute of Biology, Federal Rural University of Rio de Janeiro, Seropédica, RJ. 2010.
This study was conducted in State Park Dry forest in the city of Manga in the North of Minas Gerais, Brazil and aimed to evaluate the occurrence and diversity of arbuscular mycorrhizal fungi (AMF) and the protein related to soil glomalin and biomass of external mycelium in Dry Forest ecosystems in the North of Minas Gerais. To collect the soil samples in eac
Publicado em: 2010