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Vértices, curva focal e superfície focal de curvas no espaço
(Universidade Federal de Santa Maria, 2013-03-19)
The focal surface of a curve γ in the Euclidean 3-space is defined as the envelope of the normal
planes of γ. The focal surface of γ is singular along a curve Cγ, called the focal curve or generalized
evolute. This curve ...
Efeito secundário do buraco de ozônio antártico sobre o Sul do Brasil
(Universidade Federal de Santa Maria, 2013-02-01)
In this Dissertation were identified events of influence of the Antarctic ozone hole over the South of Brazil that occurred in the period between 1979 and 2011. For this, we analyzed the daily average data of total ozone ...
Aplicação de polímeros na construção de nanomateriais híbridos auto-organizados
(Universidade Federal de Santa Maria, 2013-02-22)
In this work the single-step/single-phase synthesis of hybrid organic-inorganic core-shell gold nanoparticles (AuNPs), facilitated by amino-functionalized amphiphilic block copolymers that simultaneously play the roles of ...
Modelagem matemática no tratamento e distribuição de água: propostas para o ensino de matemática
(Universidade Federal de Santa Maria, 2013-08-09)
La modelización matemáticas, siendo la representación de la realidad por medio de modelos,
es una estrategia de enseñanza-aprendizaje que puede dar sentido y aplicabilidad a los
contenidos matemáticos, deseo de la inmensa ...
Utilização de recursos geotecnológicos na prática pedagógica nos anos iniciais
(Universidade Federal de Santa Maria, 2013-03-26)
This work was produced in an interdisciplinary context involving the Humanities (Education), the Natural and Exact Sciences (Geoinformatics) and Social and Applied Sciences (Communication-media) and brings the teacher as ...
Síntese e caracterização estrutural de clusters derivados de fenilcalcogenolato de cobre(I)
(Universidade Federal de Santa Maria, 2013-08-09)
In this work the synthesis and structural analysis of new copper(I) phenylchalcogenolate clusters will be presented. The reaction between sodium phenylchalcogenolate and copper(I) chloride generates a basic building block ...
Uma proposta de abordagem ao problema de Flávio Josefo aplicada ao ensino médio
(Universidade Federal de Santa Maria, 2013-04-15)
In this paper, we presents a didactic sequence of activities designed for a
group of students of high school, their age were about 15 and 18 years old, with the
main objective to study the problem proposed by the ...
Dinâmica de um sistema presa-predador com predador infectado por uma doença
(Universidade Federal de Santa Maria, 2013-05-10)
The aim of this work is to study the temporal and spatiotemporal evolution of a threedimensional
system that describes a predator-prey dynamics, where the predator population
can develop an infectious disease.
Thus, the ...
Estudo de método para determinação de resíduos de agrotóxicos em uva por GC-MS
(Universidade Federal de Santa Maria, 2013-07-29)
The regulatory agencies are becoming increasingly stringent as regards the quality of the food. Thus, the development of analytical methods that help monitoring of pesticide residues, and it is essential in routine ...
Estudo das propriedades estruturais, eletrônicas e termoelétricas de nanofios de PbSe e PbTe
(Universidade Federal de Santa Maria, 2013-04-29)
In this work we study simultaneously the structural, electronic and thermoelectric
properties of PbSe and PbTe nanowires, analyzing the quantum confinement effects, the
dependence with the planar stoichiometry and the ...