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Dano ao DNA no diabetes tipo 2 e sua associação com inflamação, estresse oxidativo, disfunção endotelial, resistência à insulina e à ocorrência de complicações crônicas microvasculares
(Universidade Federal de Santa Maria, 2016-03-15)
Several pathophysiological mechanisms are associated with type 2 diabetes mellitus (type 2 DM), such as glucotoxicity, insulin resistance, inflammation, oxidative stress and endothelial dysfunction, which can result in DNA ...
Compostos bioativos, atividade antioxidante e antimicrobiana na casca de cebola roxa (Allium cepa L.) submetidos a diferentes métodos de extração
(Universidade Federal de Santa Maria, 2016-07-11)
This study evaluated the use of different methods (focused microwave, ultrasound and conventional agitation) and varying parameters (concentration of solvent, time, temperature, power and pulse) in the extraction of bioactive ...
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). ...
Ciclagem de nutrientes em Eucalyptus dunnii estabelecido no bioma Pampa
(Universidade Federal de Santa Maria, 2011-07-15)
The goal of this study was to evaluate aspects of nutrients cycling in Eucalyptus dunnii by monitoring a stand throughout a year. This took place in Alegrete town, Rio Grande do Sul state, South Brazil, in an area of Stora ...
Modelagem e acionamento de diodos orgânicos emissores de luz (OLEDs) para sistemas de iluminação
(Universidade Federal de Santa Maria, 2015-08-26)
This thesis presents the study and characterization of organic light-emitting diodes
(OLEDs) with the proposal of obtaining an equivalent model that is useful in the OLED driver
design and in lighting systems projects. ...
Contribuições ao acionamento e controle sensorless aplicado ao motor de indução bifásico assimétrico
(Universidade Federal de Santa Maria, 2012-05-11)
This doctoral thesis presents the development of sensorless methods aiming the rotor
speed control of asymmetrical two-phase induction motors. Initially, the machine mathematical
model is presented. From the machine model, ...
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 ...