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Determinação de cádmio, cobre e chumbo em catalisadores por espectrometria de absorção atômica com forno de grafite e amostragem direta de sólidos
(Universidade Federal de Santa Maria, 2006-07-26)
Trace impurities of Cd, Cu and Pb were determined in alumina-based catalysts using direct solid sampling graphite furnace atomic absorption spectrometry (DSS-GF AAS). The analyzed catalysts are widely used in petrochemical ...
Decomposição de suplemento mineral por piroidrólise para a determinação de halogênios
(Universidade Federal de Santa Maria, 2006-03-10)
In this work it is proposed a method for fluorine (F), bromine (Br) and iodine (I) determination in mineral-feedingstuff after sample decomposition by pyrohydrolysis. Fluoride is determined potentiometrically by means of ...
Magnetoimpedância como ferramenta para a caracterização magnética de microfios amorfos
(Universidade Federal de Santa Maria, 2006-09-22)
The possibility of exploring the magnetic properties of amorphous microwires in technological applications has attracted the attention of the scientific community in the last years. Beyond, the magnetoimpedance effect has ...
Implementação e desenvolvimento de uma metodologia aplicada ao cálculo de áreas em Geodésia
(Universidade Federal de Santa Maria, 2006-04-26)
The calculation of ellipsoidal areas in Geodesy is a not trivial task. By this motive, is common the calculation of plane areas, whose difficulty degree is enough small. For short areas, the simple abstraction of the real ...
Influência das formas de uso e ocupação da terra no ecossistema áquatico da bacia hidrográfica do arroio Cadena em Santa Maria - RS
(Universidade Federal de Santa Maria, 2006-02-22)
The study had as objective relates the forms of the land uses with the aquatic ecosystem of the Cadena's stream catchment, identifying its critical points about the environmental conditions. The methodological proposal, ...
Geotecnologias aplicadas à área ambiental: estudo de caso nas microbacias hidrográficas da Sanga da Taquara e do Arroio Inhamandá no município de São Pedro do Sul - RS
(Universidade Federal de Santa Maria, 2006-10-16)
The environmental degradation, through the incorrect and indiscriminate natural resources use, is demanding a deep revision of the relationship between man and nature. In the last times the development of the farming and ...
Estudo das propriedades térmicas de nanofios de silício
(Universidade Federal de Santa Maria, 2006-06-25)
In this work we present the results of the study of thermal stability of silicon
nanowires (SiNWs), carried out by computational simulation using Monte Carlo
methods. The study focuses on cylindrical nanowires grown in ...
Desenvolvimento de sistemas de informação geográfica sob a ótica da qualidade de software
(Universidade Federal de Santa Maria, 2006-03-22)
The search for the quality of software in the current days became one practical, at least, necessary for the importance of the attributions that we give to them. Each time we depend more and more from software, for the ...
As condições ambientais da microbacia hidrográfica do Lajeado da Represa, município de Marcelino Ramos/RS
(Universidade Federal de Santa Maria, 2006-07-21)
This work aimed at to study the main current environmental problems of the use of the earth, and their reflexes in the quality of the water, as well as the attitude of the
population local front to the environmental ...
Síntese estereosseletiva de bis- e tris-calcogenetos vinílicos
(Universidade Federal de Santa Maria, 2006-01-20)
Não foi possível inserir o abstract.