Buscar
Itens para a visualização no momento 81-90 of 126
Processo de nanoemulsificação de óleos essenciais assistido por ultrassom
(Universidade Federal de Santa Maria, 2019-03-26)
Essential oils are volatile oils obtained from plants by physico-chemical extraction
processes. To overcome the hydrophobicity of essential oils, and allows their
dispersion in an unfavorable environment, many researchers ...
Ciclização eletrofílica intramolecular de (Z)-calcogenoeninos: síntese e reatividade de calcogenofenos e (Z)-calcogenetos vinilicos
(Universidade Federal de Santa Maria, 2019-02-22)
In the present thesis, efficient methods were developed to the synthesis of a series of heterocycles by electrophilic cyclization of (Z)-chalcogenoenynes 1, and chalcogenophenes 2, mediated by species of I2 and/or RSeBr. ...
O lugar na construção de mapas mentais no Parque da Redenção em Porto Alegre - RS
(Universidade Federal de Santa Maria, 2019-04-01)
The present study originated from the interest in comprehending how subjects who experience Redenção Park in Porto Alegre perceive it as a place. The Redenção Park is one of the most visited and attended green spaces in ...
Acesso e utilização dos serviços de atenção básica à saúde no bairro Noal, área urbana do município de Santa Maria/RS
(Universidade Federal de Santa Maria, 2019-04-25)
The Unified Health System (SUS) is the result of the movement idealized by the
Brazilian Sanitary Reform. This reformist ideology understood the need to reorient the
prevailing medical-privative assistance model to a ...
Uma visão ampliada sobre os jatos de baixos níveis na América do Sul
(Universidade Federal de Santa Maria, 2019-04-26)
Recently, Oliveira, Nascimento and Kannenberg (2018) [ONK18] showed that the criteria
employed in algorithms that identify low level jet (LLJ) traditionally used in South America
fail to detect an important number of ...
Validação de método multirresídual e monitoramento de resíduos de agrotóxicos por GC-μECD em méis do estado do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2019-03-12)
Due to the complexity of matrices such as honey and the low concentrations of pesticides,
there is a great need for the development of efficient and reliable analytical methods for the
identification and quantification ...
Ciclização cascata de o-diinil benzyl calcogenetos promovida por dicalcogenetos de diorganoíla e FeCl3
(Universidade Federal de Santa Maria, 2019-02-21)
The treatment of ortho-diynyl benzyl chalcogenides with a mixture of iron(III) chloride and diorganyl diselenides led to functionalized chalcogen isochromene-fused chalcogenophene derivatives. The reaction parameters were ...
Determinação de resíduos de avermectinas em soja, feijão e milho empregando método QuEChERS modificado e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2019-02-26)
Soybeans and beans are considered oleaginous plants of great economic importance in Brasil. Maize is a cereal that also generates profitability for the economy, but its use, to a large extent, is as animal feed. In the ...
Determinação simultânea multiclasse de fármacos em água de consumo humano empregando extração em fase sólida e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2019-02-26)
Pharmaceuticals are used in both human and veterinary medicine for the prevention and treatment of various diseases. The lack of adequate treatment for urban and industrial effluents associated with the incorrect disposal ...
Análise de desempenho de algoritmos de escalonamento aplicados a um sistema gerenciador de recursos para execução de aplicação operacional de computação científica
(Universidade Federal de Santa Maria, 2019-02-15)
During the last years, the High Performance Computing (HPC) is one of the main research
areas in computing, with the proposal to increase the performance of high performance environments
and decrease the application time ...