Buscar
Itens para a visualização no momento 301-310 of 972
Efeito de escala em telhados verdes extensivos
(Universidade Federal de Santa Maria, 2019-02-25)
In the urban environment, where the permeable areas are gradually occupied by impermeable spaces, natural hydrological processes are also subject to changes. These impermeable surfaces promote the increase of the surface ...
Planejamento de capacidade com incerteza na demanda em unidades de distribuição de energia elétrica
(Universidade Federal de Santa Maria, 2019-02-19)
The service management system performance is closely related to the operational success. When considering electric power distribution systems, regulatory polices impose penalties and minimum service levels which demand a ...
Análise de risco do investimento em ações de empresas agrícolas presentes na B³
(Universidade Federal de Santa Maria, 2019-02-21)
The financial area is important for the development of companies and countries, in need of improved investment techniques. The quest for profit in this market brings with it exposure to a certain level of risk that can be ...
Síntese de compósitos magnéticos ferrita/quitosana para adsorção de corantes e fármacos
(Universidade Federal de Santa Maria, 2019-03-08)
Water is a cornerstone to the flourishment of any existing life form and as such, need to be preserved. Working on development and improvement of technologies which promote an efficient effluent treatment, preventing ...
Modelagem cinética da produção de biodiesel em estado supercrítico com catalisador heterogêneo
(Universidade Federal de Santa Maria, 2018-02-26)
The main objective of this study was to develop a kinetic model for catalytic supercritical reaction with methyl acetate to produce fatty acid methyl esters. Reaction models and estimated kinetic parameters were proposed ...
Melhoramentos inferenciais no modelo Beta-Skew-t-EGARCH
(Universidade Federal de Santa Maria, 2016-02-25)
The Beta-Skew-t-EGARCH model was recently proposed in literature to model the
volatility of financial returns. The inferences over the model parameters are based on the maximum
likelihood method. The maximum likelihood ...
Modelo beta autorregressivo de médias móveis: critérios de seleção e aplicações
(Universidade Federal de Santa Maria, 2015-02-27)
Time series modeling and forecasting has many applicability in scientific and technological
researchs. Specifically about variables restricted to the interval (0; 1), which includes
rates and proportions, the classical ...
Aplicação da separação eletrostática na reciclagem de resíduos poliméricos e baterias de íon de lítio
(Universidade Federal de Santa Maria, 2016-03-23)
The increasing industrial development results in a large consumption of products and materials. Among them, stand out the polymeric materials, due to their versatility and low cost, and electrical and electronic equipment ...
Resíduos poliméricos: quantificação, caracterização, lavagem e tratamento do efluente gerado no processo
(Universidade Federal de Santa Maria, 2016-04-05)
With the industrialization, the demographic growth and the consumption patterns of society there is an increase in the generation of solid waste, among which include polymeric waste. Thereby, the recycling emerges as a ...
Avaliação da aplicação de CO2 supercrítico na presença de cosolventes para a reciclagem de placas de circuito impresso de celulares
(Universidade Federal de Santa Maria, 2015-03-06)
Technological development and intensive marketing support the growth of demand for electrical and electronic equipment (EEE), which have as a primary component printed circuit boards (PCBs). These devices have become ...