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Prototipação e análise de circuitos mutiplicadores array de baixo consumo
(Universidade Federal de Santa Maria, 2005-03-23)
This work presents the prototyping and analysis of new multiplier architectures under the physical level of abstraction. Circuits recently presented in the academic community are analyzed and compared against the state of ...
Projeto de reatores eletronicos para hid baseado no conversor chopper AC
(Universidade Federal de Santa Maria, 2007-08-24)
This thesis proposes a design of a power supply for high-pressure discharge lamps based on a high efficiency and high power factor electronic ballast, without exciting the
intrinsic acoustic resonance. The ballast consists ...
Rede de iluminação semicondutora para aplicação automotiva
(Universidade Federal de Santa Maria, 2005-02-28)
This work describes the design of a semiconductor lighting system applied to omnibus interiors. The system is composed by several lighting terminals, and some of them have different purpose, once an omnibus has different ...
Controlador nebuloso para motor de ignição por compressão operando com gás natural e óleo diesel
(Universidade Federal de Santa Maria, 2006-02-24)
A foreseeable shortage of petroleum, associated to a growing ecological conscience, demand for alternative sources of energy and more efficient and less pollutant combustion processes. Among the few pollutant fuels this ...
Aspectos qualitativos da água subterrânea no Campus da UFSM, Santa Maria - RS
(Universidade Federal de Santa Maria, 2005-02-28)
Nowadays there is an expressive increase of the use of groundwaters because of the lower cost for treatment, distribution and, mainly the scarcity of hydrous resources. Over the years 40 tubular wells were drilled to supply ...
Caracterização do transporte de sedimentos em pequeno rio urbano na cidade de Santa Maria-RS
(Universidade Federal de Santa Maria, 2005-02-24)
This paper presents the results of the sediment transport assessment in a small urban stream in Santa Maria city, RS. Liquid and solids discharges were measured and the bed material was collected during thirteen raining ...
Programa de prevenção de acidentes de trabalho e doenças ocupacionais nos garimpos de pedras preciosas, em São Martinho da Serra - RS
(Universidade Federal de Santa Maria, 2005-03-18)
The mining is one of the more important economical activities of Brazil and also one
of the number ones in work accidents and occupational diseases. Taking advantage
of the creation of the Cooperative of the Prospectors ...
A educação ambiental em escolas municipais: um estudo de caso
(Universidade Federal de Santa Maria, 2007-11-08)
O docente como agente de inovação tecnológica: um estudo de caso
(Universidade Federal de Santa Maria, 2007-08-13)
This work aims to identify the situations that have direct or indirect implication for the teachers from the Industrial Design Course in relation to the activity of Project coordination and also in relation to their ...