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Simulação numérica dos regimes da camada limite estável
(Universidade Federal de Santa Maria, 2019-11-11)
Recent studies have shown that the stable boundary layer (SBL) presents two distinct regimes.
In the weakly stable regime, turbulence is continous and similarity relationships are
valid, while in the very stable regime ...
Síntese de derivados de selenofenos e 4H-selenocromeno via reações de ciclização eletrofílica
(Universidade Federal de Santa Maria, 2019-07-26)
This work reports the synthesis of a series of selenium heterocyclics containing in it’s
core structure. These compounds are obtained through intramolecular electrophilic
cyclization reactions of alkynyl substrates and ...
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 ...
Estudo da evolução do número de acidentes do trabalho na Região Sul do Brasil por meio de modelos ARFIMA
(Universidade Federal de Santa Maria, 2019-03-27)
The accelerated process of technological innovation has brought changes in the work organization, and we can see, therefore, an increase in the workload, leading to a high number of accidents. Considering the importance ...
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 ...