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Itens para a visualização no momento 11-20 of 1849
Efeito de diferentes tratamentos de superfície de pinos de fibra de vidro na resistência adesiva de um cimento resinoso autoadesivo
(Universidade Federal de Santa Maria, 2016-07-15)
The objective of the present study was to evaluate the bond bond strength of intraradicular
glass fiber post submitted to different surface treatments and cemented on the root dentin with
resin cement adhesive. 40 straight ...
Avaliação da zona de risco da raiz mesial de molares inferiores através de tomografia computadorizada multislice com baixa dose de radiação
(Universidade Federal de Santa Maria, 2016-04-30)
The mesial root of Mandibular Molars (MM) of the permanent dentition shows marked mesial-distal flattening and, near to furcation region, a major concavity on its distal surface, determining the so called danger zone (DZ). ...
Análise e projeto de conversores estáticos para sistemas fotovoltaicos parcialmente sombreados
(Universidade Federal de Santa Maria, 2016-08-29)
This work presents a study and analysis of photovoltaic systems subject to partial
shading, where the main consequence is the reduction of its energy production. To mitigate
this problem, it is proposed a new photovoltaic ...
Problemas de roteamento de veículos com dependência temporal e espacial entre rotas de equipes de campo
(Universidade Federal de Santa Maria, 2016-08-26)
This thesis presents two new routing problems, both with objective functions focused on
relative positioning of teams during the routing horizon. The relative positioning results in
temporal and spatial dependencies among ...
Processador inteligente de alarmes e modelos de programação matemática para diagnóstico de faltas em sistemas elétricos de potência
(Universidade Federal de Santa Maria, 2016-06-24)
This thesis proposes an Intelligent Alarm Processor for fault diagnosis in electrical power systems. The objective is to develop a methodology for automatic fault analysis using reported alarms from Supervisory Control and ...
Topologia híbrida e métodos de controle aplicados à regulação de tensão de geradores de indução auto-excitados
(Universidade Federal de Santa Maria, 2016-05-23)
This doctoral thesis deals with the study, analysis and development of a new hybrid
topology for voltage regulation of stand-alone microgeneration systems employing
self-excited induction generators. The hybrid topology ...
Detecção de ilhamento em sistemas de distribuição com geração síncrona distribuída
(Universidade Federal de Santa Maria, 2016-02-26)
Nowadays due to the increase of renewable energy sources, Distributed Generations (DGs) assumed an important role in distribution and sub transmission systems. However, abnormal operating conditions of the distribution ...
O processo de desenvolvimento das redes interorganizacionais
(Universidade Federal de Santa Maria, 2016-06-28)
The present study aims to understand the process of interorganizational networks development and to
move forward as theoretically as empirically on management field of networks. The
interorganizational networks were here ...
A relação de interdependência entre redes e empresas parceiras na evolução de redes interorganizacionais
(Universidade Federal de Santa Maria, 2016-08-22)
Cooperation between companies by networks can be seen as a mechanism for them to get the resources that they are missing. The fact to emphasize is that the resources offered by networks can become unique over time for ...
Tomada de decisão em contextos específicos: uma análise das relações entre os métodos multicritérios de apoio à decisão e as estratégias de decisão humana
(Universidade Federal de Santa Maria, 2016-06-27)
This thesis aimed to investigate the relationship between Multicriteria Decision Making methods and decision strategies used by individuals in the selection process in a specific context. Therefore, as a basis we took the ...