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Extração de ácidos graxos produzidos por Mortierella isabellina utilizando fluido supercrítico e ultrassom
(Universidade Federal de Santa Maria, 2017-03-17)
Polyunsaturated fatty acids (PUFA) have received considerable attention in recent years due to the benefits associated with their consumption. Among these benefits, they emphasize their multiple physiological actions, ...
Utilização de caulim como um potencial adsorvente de baixo custo na remoção de poluente orgânico em soluções aquosas
(Universidade Federal de Santa Maria, 2017-03-24)
Dye industries have great difficulty in effectively treating of wastewater generated, particularly in relation to dyes removal of the effluents, that even in small quantities, gives intense color, contributing to contamination ...
Otimização, seleção e apontamento de arranjos lineares de antenas através da técnica de otimização por enxame de partículas
(Universidade Federal de Santa Maria, 2017-02-24)
The Particle Swarm Optimization Technique has been widely studied by researchers,
since they act as a stochastic optimization process which can be applied in many areas, for
instance in electromagnetism. Researches have ...
Modelagem e comparação da potência elétrica e do coeficiente de potência de turbinas magnus segundo o comportamento dos perfis cilíndricos
(Universidade Federal de Santa Maria, 2017-02-20)
This thesis presents the model of Magnus turbines based on the forces produced by the cylindrical airfoils, resulting in the curves of net mechanical power and power coefficient, besides demonstrating the effects of the ...
A relação entre a capacidade de geração elétrica por fontes renováveis e não-renováveis e o crescimento econômico no Brasil
(Universidade Federal de Santa Maria, 2017-08-11)
The debate on the causes of climate and environmental changes is structured by studies that point out, as one of the main factors, the increase of energy demand. Renewable sources are relevant in a country's energy planning ...
Digestão anaeróbia de glicerol visando a produção de biohidrogênio
(Universidade Federal de Santa Maria, 2017-08-29)
Alternative energy sources have been gaining ground in the current scenario, and thus the bioprocesses for sustainable energy production have been more intensively investigated. The use of industrial waste as alternative ...
Modelo híbrido de séries temporais para previsão de demanda do mercado imobiliário de São Paulo
(Universidade Federal de Santa Maria, 2017-02-15)
One of the biggest problems associated with the use of demand forecasts at the support the decision-making is the choice of forecasting method to be implemented. In the context, present a behavior different from other ...
Filtração de ceras aplicando diferentes tratamentos físicos na superfície de meios filtrantes
(Universidade Federal de Santa Maria, 2017-07-20)
The presence of inorganic substances in the composition of crude wax decreases its commercial value, requiring purification of the product. A new physical treatment on the surface of the filter media was carried out by ...
Fracionamento da fração sólida obtida na pirólise de resíduos plásticos utilizando destilação molecular de filme descendente
(Universidade Federal de Santa Maria, 2017-08-29)
The large generation of plastic waste entails the need for recycling methods for the reduction and recovery of these materials. Molecular distillation technology is a viable process to separation high value-added products. ...
Hidrólise ácida de biomassa assistida por ultrassom para obtenção de furfural
(Universidade Federal de Santa Maria, 2017-07-12)
In this work, the applicability of ultrasound (US) for synthesis of furfural from biomass was investigated. Several US systems (baths, probes and a cup horn system) with different frequencies and power were evaluated (from ...