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Itens para a visualização no momento 11-20 of 157
Síntese regiosseletiva de cromenos e cromenonas derivados de organocalcogênio via reações de ciclização intramolecular
(Universidade Federal de Santa Maria, 2012-08-30)
In the first part of this work, a series of organochalcogen propargyl aryl ethers (19 examples) was easily prepared by reaction of propargyl aryl ethers and different organochalcogen electrophilic species. In general, the ...
Mecanismo reacional de etanotiol em eletrodo de ouro e seu comportamento em sistemas redox
(Universidade Federal de Santa Maria, 2012-08-10)
Sulphur compounds can interfere with product quality of the wine, since they have a
characteristic undesirable odor. The ethanethiol is considered an interesting compound from
the electrochemical point of view, since it ...
Estudo fitoquímico e biológico das espécies Schinus lentiscifolius, Schinus terebenhtifolius, Schinus molle e Schinus polygamus (Anacardiaceae) do RS
(Universidade Federal de Santa Maria, 2012-01-16)
The phytochemical and biological study of the species S. lentiscifolius,
S. terebinthifolius, S. molle and S. polygamus known as ―aroeiras‖ (Anacardeaceae)
distributed in Rio Grande do Sul, was carried out to establish the ...
Uma análise de conteúdos de Matemática em livros didáticos utilizados na preparação para o exame de admissão ao ginásio
(Universidade Federal de Santa Maria, 2012-01-03)
This paper refers to research conducted by a sociohistorical analysis of the contents of
mathematics required for the examinations for admission to the Junior High School, in Brazil.
As research material were analyzed ...
Uso do veículo aéreo não tripulado microdrone MD4-1000 na obtenção de fotografias aéreas de um povoamento de Pinus taeda L
(Universidade Federal de Santa Maria, 2012-09-06)
This study aimed to perform the measurement of Pinus taeda L. forest on Small Format Aerial Photographs (SFAP) using Unmanned Aerial Vehicle (UAV) microdrone md4-1000. The study area is located on the campus of Federal ...
O uso de geotecnologias na delimitação político administrativos municipais
(Universidade Federal de Santa Maria, 2012-01-25)
With the uncontrolled growth of population and development and dismemberment of
municipalities disordered, has left policy makers struggling to reconcile the actual spatial
distribution of the municipality with so-called ...
Estudo da oferta interna de energia e do crescimento econômico no Brasil de 1940 a 2009
(Universidade Federal de Santa Maria, 2012-02-28)
The need to use energy to move the various sectors of countries such as the transportation sector (air, sea, land), residential, commercial and industrial shows a direct relationship between economic growth and internal ...
Análise multitemporal da orizicultura irrigada no município de Restinga Sêca/RS em detrimento das áreas de preservação permanente
(Universidade Federal de Santa Maria, 2012-08-17)
Armonizar la actividad económica, en este caso, La actividad agrícola con la preser-vación ambiental es, realmente, un tema complejo y difícil. Por otro lado, es posible tal armonía considerándose que las actividades ...
Análise do padrão de atividade e ecologia térmica do lagarto Tropidurus torquatus no sul do Brasil
(Universidade Federal de Santa Maria, 2012-07-31)
Lizards are model organisms in ecology, providing understanding of patterns and relationships
between organisms and their environment. Tropidurus torquatus is a species with populations
living in different habitats and ...
Avaliação escolar em matemática nos anos finais do ensino fundamental
(Universidade Federal de Santa Maria, 2012-07-31)
This paper aims to analyze how the mathematics teachers of the final years of elementary
school evaluate the academic performance of their students. It is intended to process the
information obtained in bibliographic ...