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Carbonatação acelerada em concretos compostos com cinza de casca de arroz de diferentes teores de carbono grafítico
(Universidade Federal de Santa Maria, 2014-02-28)
Carbonation is a natural phenomenon observed in carbon structures, and it is a result of the combined presence of CO2 in the environment and moisture. Carbonation may lower the pH of the concrete to such an extent that the ...
Circuitos de acionamento para iluminação semicondutora empregando topologias integradas com capacitores de longa vida útil
(Universidade Federal de Santa Maria, 2013-08-06)
This work presents an analysis and design of two Light Emitting Diode (LED) drivers topologies based on static switched converters aiming to avoid using electrolytic capacitors. Considering the low lifetime of electrolytic ...
Avaliação do desempenho do revestimento cerâmico aplicado em diferentes substratos
(Universidade Federal de Santa Maria, 2018-03-26)
This study evaluated the ceramic tiling in three distinct aspects, impermeabilty to water, water vapor permeability and tensile adhsion strength. For this study, four boxes in concrete structural blocks were built, and ...
Portal corporativo para gestão do conhecimento: alinhando pessoas, informação e estratégia organizacional em uma instituição de ensino superior privada
(Universidade Federal de Santa Maria, 2010-06-21)
This research proposed to investigate how to develop and implant a corporate portal to assist in knowledge management in a Private Institution of Higher Education, based on people, information and organizational strategy. ...
Viabilidade de aplicação de sistema solar passivo de aquecimento de ar através de ganho isolado de calor para a zona bioclimática 2 brasileira
(Universidade Federal de Santa Maria, 2018-08-29)
The passive solar system by isolated heat gain is characterized by collecting and storing solar radiation in thermally isolated spaces, the solar collectors. The heat flow occurs by convection of the air. The main objective ...
Pirólise de resíduos plásticos visando à obtenção de produtos de alto valor agregado
(Universidade Federal de Santa Maria, 2016-08-31)
The increase in plastics consumption leads to increase the waste generation. Thus, the recycling of plastic materials has become increasingly important. The pyrolysis technique is one of the promising methods for recycling ...
Análise da taxa de juros e taxa de câmbio brasileira por meio de modelos de previsão
(Universidade Federal de Santa Maria, 2013-02-28)
The analysis of macro-economic variables through time-series models is widely used in the literature supporting economic theory, showing the actual behaviour of these variables. One of these macroeconomic variables have ...
Análise dos instrumentos de gestão de recursos hídricos com ênfase nas ações do comitê de bacia do rio Santa Maria, RS
(Universidade Federal de Santa Maria, 2013-02-27)
The Santa Maria watershed is located in southwestern of Rio Grande do Sul State and has area of 15,740 km ². Irrigation by means of agriculture is the largest user of water. The main goal of this research was to analyze ...
O uso da abordagem fuzzy-ahp e fuzzy sets para facilitar a utilização da filosofia lean manufacturing em indústrias
(Universidade Federal de Santa Maria, 2017-02-23)
The importance of decision-making is All human beings who wish to solve or make improvements
in a particular environment or situation. With this bias, the intuitive illustration
for lean production processes, the Is not ...
Caracterização do perfil de ingresso de serviços de ligação nova sem obra após a execução de corte comercial em concessionárias de distribuição de energia elétrica
(Universidade Federal de Santa Maria, 2018-08-29)
Electricity distribution companies have the purpose of providing reliable energy supply for its customers, fulfilling regulatory performance metrics. This paper aims to identify time profile incoming of customers’ requests, ...