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Metodologia de controle para equipamentos automáticos programáveis acionados por motores de passo
(Universidade Federal de Santa Maria, 2010-07-16)
Programmable devices require flexible control techniques. The ability the customize settings of the equipment reduces the cost and time of the design phases. On testing phases are commonly used commercial software or spent ...
Características de pastas de cimento Portland com adição de cinza de lodo de ETA
(Universidade Federal de Santa Maria, 2016-03-28)
Currently, it is increasing the search for alternatives to minimize the environmental impact on inputs production. Concrete, highly polluting, is the second most natural material used by man, losing just for the water. ...
Carbonatação em concreto com cinza de casca de arroz sem moagem
(Universidade Federal de Santa Maria, 2008-04-28)
This research is part of a project that aimed to evaluate the technical viability of the use of unground (in natura) residual Rice Husk Ash (RHA), without grinding, for structural concrete. The present work investigated ...
Carbonatação acelerada em concretos com adição de cinzas de lodo de estação de tratamento de água
(Universidade Federal de Santa Maria, 2016-07-14)
Carbonation is a natural phenomenon for concrete structures and occurs due to the reaction between CO2, which is concentrated in the environment, and Ca(OH)2, which is present in the cementitious matrix. Carbonation reaction ...
Planejamento estratégico: um modelo alternativo para as imobiliárias do Brasil
(Universidade Federal de Santa Maria, 2016-07-18)
To fit the business environment competitively, companies are looking to develop
themselves every time more, adopting strategies, implementing new systems, looking
for software to help them and planning strategically how ...
Avaliação da viabilidade técnica e econômica da produção de etanol em planta piloto a partir da batata-doce (Ipomoea batatas)
(Universidade Federal de Santa Maria, 2014-07-22)
Biofuels gradually expand their potential share in power generation, due to the progressive reduction of fossil carbon reserves, combined with growing energy demands of society. Brazil has favorable conditions for the ...
Catalisadores hierárquicos Fe2O3/ZSM-5: efeito da mesoporosidade do suporte na atividade de nanopartículas de óxido de ferro em reação foto-Fenton
(Universidade Federal de Santa Maria, 2016-08-18)
This work evaluated the synthesis of hierarchical Fe2O3/ZSM -5 catalysts and their catalytic activity in the degradation of azo dye Yellow Tartrazine in photo-Fenton reaction. The chitin powder was applied as a mesopore ...
Ciclo de vida das bobinas em transformadores de distribuição: estudo comparativo entre alumínio e cobre
(Universidade Federal de Santa Maria, 2015-09-04)
This research shows the results obtained in a life cycle assessment (LCA) coils manufactured
with copper wires and aluminum wires in two distribution transformers in order to identify
which is less impact on the environment. ...
Ciclos reais de condução veicular em Santa Maria e seus impactos em consumo e emissões
(Universidade Federal de Santa Maria, 2016-03-23)
In order to improve urban air quality and to meet legislation requirements, vehicular technology
is constantly advancing. It focus on techniques that reduce both fuel consumption
and emissions of greenhouse gases as well ...
Uso de biodigestor anaeróbio no tratamento de resíduo orgânico de restaurante
(Universidade Federal de Santa Maria, 2016-07-18)
The generation of local solid waste has increased every year in Brazil. The largest portion of this waste is organic material. Organic waste generated in restaurants in the preparation of meals, as much as in the leftovers ...