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Polímeros em resíduos de serviço de saúde: identificação e determinação dos parâmetros cinéticos de degradação térmica
(Universidade Federal de Santa Maria, 2020-09-29)
Não foi possível inserir o abstract.
Obtenção de extratos de folhas de oliveira para aplicação como agente antimicrobiano em embalagens biodegradáveis ativas
(Universidade Federal de Santa Maria, 2021-03-26)
This work had as objective to obtain extracts of olive leaves (OLE) through the technique of extraction assisted by microwaves for later application of the extracts obtained in the elaboration of active biodegradable films. ...
Avaliação da adsorção de indio (III) através de redes neuronais artificiais e modelos difusivos de transferência de massa
(Universidade Federal de Santa Maria, 2021-06-11)
Technological development has increased the consumption of indium in the last decade and is currently classified as a critical material due to its scarcity. Its main application is related to the production of liquid crystal ...
Repotencialização de sistemas de distribuição rurais monofásicos por meio de dois cabos aéreos e o solo como a terceira fase
(Universidade Federal de Santa Maria, 2017-02-24)
In Brazil and in several countries of the world, rural electrification projects were developed using the single-phase system. Due to the type of loads of rural consumers and their dispersed location. With the growth of ...
Uma abordagem para atestar a suportabilidade dielétrica a formas de onda não padronizadas nos ensaios de equipamentos de alta tensão
(Universidade Federal de Santa Maria, 2021-08-31)
The non-standard waveforms caused by high frequency transients pose a challenge when it comes to their representation in testing high-voltage equipment. Such a challenge is worrisome for electric power utilities and ...
Um controlador adaptativo robusto por modelo de referência e Super-Twisting Sliding Mode aplicado na regulação de corrente de conversores conectados à rede com filtro LCL
(Universidade Federal de Santa Maria, 2021-12-03)
This thesis presents the development of an RMRAC-STSM control structure, composed
by a robust model reference adaptive controller (RMRAC) along with an adaptive Super-
Twisting Sliding Mode (STSM) controller. A continuous ...
Análise e projeto do reator eletrônico auto-oscilante para reconhecimento de lâmpadas fluorescentes
(Universidade Federal de Santa Maria, 2014-07-14)
This work presents the analysis and design of the self-oscillating electronic ballast to fluorescent lamps detection. The electronic ballast must be able to detect and run lamps with different power ratings, according to ...
Controle hierárquico e adaptativo para aumento do desempenho operacional de reguladores de tensão em redes elétricas inteligentes
(Universidade Federal de Santa Maria, 2014-03-28)
The evolution of equipment, new functions and control algorithms, supervisory systems, automation and smart grids offer to utilities numerous conditions for improving the voltage profile and the rational use of its equipment ...
Esterificação do ácido oleico e acetato de metila com zeólita WO3/USY: efeitos da impregnação do catalisador e modelagem cinética
(Universidade Federal de Santa Maria, 2020-01-20)
This work proposes the use of USY zeolite activated with tungsten oxide in the esterification of oleic acid with methyl acetate. Tunguistic acid was synthesized trought the acid treatment of sodium tungstate and was used ...
Desenvolvimento de materiais a base de quitina para aplicação na adsorção de corantes
(Universidade Federal de Santa Maria, 2021-02-24)
The environmental problems due to the accelerated industrialization of the last decades have caused in society the need to develop new technologies for the treatment of industrial waste. The textile industry stands out due ...