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Um modelo euleriano de dispersão de contaminantes aplicado em diferentes condições de estabilidade atmosférica
(Universidade Federal de Santa Maria, 2004-04-23)
This work describes a model for contaminant dispersion under
different atmospheric stability conditions. It can be used to simulate the concentration of contaminants released from sources located at different heights in ...
Uma solução para a equação da energia cinética turbulenta empregando o método das características
(Universidade Federal de Santa Maria, 2009-08-31)
In this study, using the Method of Characteristics and numeric resources, presents a solution to the equation Spectral Density Evolution of Turbulent Kinetic Energy for a Convective Boundary Layer (CBL) in the morning.
It ...
Espectros de turbulência em terreno complexo
(Universidade Federal de Santa Maria, 2008-08-20)
Throughout this paper a spectral analysis is conducted on the superficial limit layer in complex terrains. The data used were collected in the central part of the state of Rio Grande
do Sul, in the Valley of Jacuí River. ...
Características estatísticas turbulentas associadas ao fenômeno do vento norte no sul do Brasil: aplicação ao problema da difusão de contaminantes
(Universidade Federal de Santa Maria, 2008-04-18)
A parameterization for the transport processes in a shear driven planetary boundary layer (PBL) has been established, employing turbulent statistical quantities measured during the north wind phenomenon in southern Brazil. ...
Modelo espectral de heisenberg aplicado ao decaímento da turbulência na camada residual
(Universidade Federal de Santa Maria, 2005-10-22)
In the study of the dispersion of contaminants in the atmosphere by computational simulations, the Eulerian approach, based in the diffusionadvection equation, is largely employed. In these simulations, concentration values ...
Metodologia analítica para o estudo da interação de cádmio e chumbo com alguns aminoácidos presentes em soluções de nutrição parenteral
(Universidade Federal de Santa Maria, 2005-12-14)
The patients' health under treatment by Parenteral Nutrition (PN) is directly associated to the quality of the solutions used during the procedures and thus, a rigorous quality control is necessary. Among possible contaminants, ...
Conversão térmica de casca de arroz à baixa temperatura: produção de bioóleo e resíduo sílico-carbonoso adsorvente
(Universidade Federal de Santa Maria, 2005-07-29)
The exploitation of rice husks through thermal conversion at low temperature, adding economical value through its pyrolysis products, may represent a solution to the current environmental problem of discharging this ...
Desenvolvimento de um processo de separação de emulsão com o uso de radiação microondas para a caracterização de petróleo extrapesado
(Universidade Federal de Santa Maria, 2009-04-17)
In this work is proposed a procedure for separation in laboratory scale of extra-heavy
crude oil emulsions with high dissolved water and salt content, using microwave radiation in
a closed system. The emulsion was ...
Síntese de novos heterociclos a partir do ácido levulínico
(Universidade Federal de Santa Maria, 2009-01-26)
The synthesis of new compounds alkyl 3-azolyl propanoate e alkyl 3-azolyl
propanoic acid structurally analogues to gamma-aminobutiric acid (GABA) is
reported. One more time using the acetal acylation method, now the ...
Alterações no encéfalo de bovinos submetidos à vigilância das encefalopatias espongiformes transmissíveis
(Universidade Federal de Santa Maria, 2007-02-23)
This study stems from the findings during the gross and histopathological exam of 3,338 cattle brains as
part of the bovine spongiform encephalopathy (BSE) active surveillance program of the Brazilian Ministry of
Agriculture, ...