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Itens para a visualização no momento 131-140 of 157
Modelo de aquisição de contexto afetivo baseado em autoanálise, classificação de tarefas e aspectos do estresse para a arquitetura ClinicSpace
(Universidade Federal de Santa Maria, 2012-11-09)
The research in Pervasive Computing have directed their efforts to the modeling and development
of programmable and interactive environments, able to assist users in their daily activities.
The Systems Group of Mobile ...
Técnicas para redução de consumo em conversores analógico-digitais por aproximação sucessiva e compartilhamento de carga
(Universidade Federal de Santa Maria, 2012-03-16)
New trends and emerging technologies motivate the design of analog-to-digital
converters (ADCs) which must fit in increasingly constrained environments. Within
this context, one design metric which is constantly forced ...
Síntese, análise estrutural e aplicação de novos complexos de Manganês como miméticos da SOD
(Universidade Federal de Santa Maria, 2012-01-15)
This work presents an study related to the synthesis and structural analysis of manganese complex with ligands of bases Schiff type, derivate from pyridoxine. Was used like starting material for the synthesis of ligands ...
Efeito Allee e dispersão não local em processos de invasão
(Universidade Federal de Santa Maria, 2012-03-02)
The main goal of this dissertation is to analyze the role of Allee effect in processes of populations invasion for species that reproduce in discrete time steps and perform longrange movement. These phenomena are described ...
Balanço de água no ciclo da cultura de soja: representação no modelo de vegetação dinâmica Agro-IBIS
(Universidade Federal de Santa Maria, 2012-07-17)
Exchanges of water in the soil-plant-atmosphere are controlled by physical-hydric soils, which in turn are highly variable in space and very sensitive to the use and soil management, especially in an agroecosystem. ...
Determinação de disruptores endócrinos em filé de peixe utilizando QuEChERS modificado e GC-(TQ)MS/MS
(Universidade Federal de Santa Maria, 2012-02-27)
Endocrine Disrupter Compounds (EDCs) like pesticides, alkylphenols and hormones
among other classes of compounds are responsible for alterations in the endocrine
system functions. Endocrine disruption occurs when EDCs ...
Propriedades eletrônicas e estruturais de nanoestruturas de carbono funcionalizadas para aplicação em sensores
(Universidade Federal de Santa Maria, 2012-01-12)
This work presents a study of properties of functionalized carbon nanotubes
and graphene nanoribbons. We studied, by first principles simulations, the structural
and electronic properties of functionalized nanotubes and ...
Investigação de equilíbrios através de potenciometria e voltametria com resolução multivariada de curvas
(Universidade Federal de Santa Maria, 2012-03-09)
The interaction between the amino acid glutathione (GSH) and zinc (II) and cadmium (II) ions was investigated using data obtained by potentiometric and voltammetric measurements. Solutions with ionic strength 0.1 M KCl ...
Determinação de boro em amostras de carbeto de silício utilizando piroidrólise e ICP-OES
(Universidade Federal de Santa Maria, 2012-12-13)
In this work a procedure for boron determination in samples of silicon carbide by pyrohydrolysis and detection by inductively coupled plasma optical emission spectrometry was developed. The silicon carbide samples were ...
Método híbrido de detecção de defeitos em redes de sensores móveis utilizando algoritmo de localização
(Universidade Federal de Santa Maria, 2012-11-01)
The technological advances resulting from electronic systems miniaturization were crucial to the reach of current technology. The microelectronics and studies to reduce power consumption in electronic devices provided that ...