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Produção de ácido succínico a partir da fermentação do bagaço da cana-de-açúcar
(Universidade Federal de Santa Maria, 2021-04-12)
Succinic acid is widely used in various industries, such as food, agriculture and pharmaceuticals. The commercial production of this acid is still largely carried out by chemical synthesis using petroleum. However, the ...
A utilização da escala SERVQUAL e o método QFD na avaliação da prestação de serviços de uma instituição de ensino superior
(Universidade Federal de Santa Maria, 2017-05-19)
Higher education institutions (IES) aim to offer their clients / academicians quality services that meet their expectations. To this end, many organizations like IES work with quality tools so that these consumer demands ...
Sistema fotovoltaico autônomo utilizando configuração multi-string e inversor multinível
(Universidade Federal de Santa Maria, 2011-08-11)
The continuous economic development of many countries and the emerging environmental
issues (gas emissions and the greenhouse effect) observed in the last decades forced an intense
research in renewable energy sources. ...
O e-business como indicativo para o desenvolvimento ao empreendedorismo
(Universidade Federal de Santa Maria, 2011-05-26)
The aim of this study is to e-business as an opportunity for the development of entrepreneurship. We tried to also identify the entrepreneurial characteristics that lead to success of this model, and analyze and propose ...
Metodologia de síntese de topologias ZVT simplificadas aplicadas a pólos PWM bidirecionais
(Universidade Federal de Santa Maria, 2009-11-27)
Among the soft-switching techniques, the zero-voltage-transition (ZVT) technique has been accepted well by the industry due its attractive characteristics, such as simplicity, low losses in the auxiliary commutation circuit ...
Projeto e implementação de um conversor módulo integrado para conexão de geração fotovoltaica à rede elétrica
(Universidade Federal de Santa Maria, 2018-02-27)
This Master Thesis presents the analysis, design and implementation of a grid-connected
module integrated converter, or, simply, microinverter, for photovoltaic applications. The
system is composed of two stages: a ...
Metodologia de solução aplicada ao planejamento da expansão de sistemas de distribuição de energia elétrica
(Universidade Federal de Santa Maria, 2016-07-08)
The technological renewal, aligned with the regulation of initiatives that promotes SmartGrid concept implementation has caused significant changes in the traditional dynamics of expansion planning and solution of the ...
Utilização de métodos exatos para a resolução do problema de marketing direto com oferta de produtos
(Universidade Federal de Santa Maria, 2018)
The increasing competitiveness requires more operational efficiency and rationalization of the
employed resources. In this context, the use of engineering tools is essential for companies to
maximize their profits and ...
Preparação de ferro metálico suportado em polietileno para uso como catalisador flutuante na reação foto-fenton
(Universidade Federal de Santa Maria, 2019-03-25)
In the present paper, zero-valent iron particles were supported on low density polyethylene. The material produced was used as a buoyant catalyst in the removal of the Ponceau 4R azo dye from an aqueous solution via ...
Otimização de torres treliçadas de linhas de transmissão através do método teaching learning based optimization algorithm
(Universidade Federal de Santa Maria, 2022-02-09)
In the engineering field, the search for the best performance of a structure in terms of
economy, efficiency and safety is one of the main objectives. In this sense, in relation
to transmission line towers (TLT), it ...