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Detecção e classificação de transitórios em redes de distribuição para identificação de faltas de alta impedância
(Universidade Federal de Santa Maria, 2013-03-08)
Protection systems used in distribution networks of electricity are not able to detect short circuits with high contact resistance due to the low currents generated, endangering the population and degrading the quality of ...
Qualidade das estimativas de precipitações derivadas de satélites na bacia do Alto Jacuí - RS
(Universidade Federal de Santa Maria, 2013-02-28)
The continuous increase in using satellite precipitation estimates as alternative sources for data have been increasing with the new technology of the devices. Therefore, the need for evaluating the quality and accuracy ...
Modificações na casca de arroz para a adsorção de azul de metileno em batelada e leito fixo
(Universidade Federal de Santa Maria, 2016-08-12)
In this work, rice husk and its modifications were investigated as methylene blue adsorbents, using discontinuous (batch) and continuous (fixed bed) adsorption operations. The rice husk was modified through alternative ...
Análise das relações das tensões de entrada de inversores multiníveis híbridos conectados em cascata para minimizar a THD da tensão de saída
(Universidade Federal de Santa Maria, 2012-04-27)
This Master Thesis presents a study considering multilevel inverters formed from two and three level cascaded inverters.
The literature presents several papers on asymmetric multilevel inverters and most studies are related ...
Responsabilidade social como estratégia em empresas industriais do setor moveleiro em busca da sustentabilidade
(Universidade Federal de Santa Maria, 2013-09-16)
The vigorous transformations in the worldwide reality indicate the need of a responsible entrepreneurial awareness in the development process and require attitudes and practices from the businessmen that are socially ...
Modelagem e cenários hidrológicos em bacia representativa da Mata Atlântica no Sul do Brasil
(Universidade Federal de Santa Maria, 2013-08-27)
Human actions modify the environment and increase the degradation of water resources, which are limited and fundamental to the maintenance of life. Thus, it is vital that these resources are quantified, so they can be ...
Teoria da solução inventiva de problemas integrada à produção mais limpa
(Universidade Federal de Santa Maria, 2012-01-18)
The search for innovative solution, aligned to the growing need for cleaner industrial operations, is a solving problem process. In addition, we emphasize that the dairy industry has significant importance to the regional, ...
Reator eletrônico para lâmpadas de descarga em alta pressão baseado no conversor biflyback inversor
(Universidade Federal de Santa Maria, 2011-07-26)
The study of the best utilization of high intensity discharge lamps deals with the great global concern with energy efficiency. Electronic ballasts are the current devices that can make the good use of high luminous efficacy ...
O marketing de rede como estratégia para o desenvolvimento sustentável
(Universidade Federal de Santa Maria, 2011-08-25)
The third sector in Brazil is an industry with great growth potential, but due
tomismanagement performed, the non-governmental organizations end up using
the funds raised only for their survival. Thus, the investment ...
Análise mecânica e química de placas pré-moldadas de concreto com adição de resíduos de borracha de pneus
(Universidade Federal de Santa Maria, 2012-09-28)
This work aims to analyze a building system that utilizes alternative material and residues of tire rubber in community housing. Primarily, this work shows a review of literature concerning housing, debit, environment, ...