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Estudo da influência de modificadores químicos para a determinação de chumbo por GF AAS na presença de sulfatos
(Universidade Federal de Santa Maria, 2005-03-03)
Lead determination by graphite furnace atomic absorption spectrometry may be affected by some interferences. Several authors have reported that lead determination may be affected in the presence of some salts (carbonates ...
Determinação de cádmio e manganês com pré-concentração por FI-FAAS e aplicação em aditivo alimentar à base de fosfatos
(Universidade Federal de Santa Maria, 2005-09-02)
Cadmium is a toxic element even at low concentration and is no essential for human metabolism, while Mn is essential and no toxic at low concentration. For that reason, it is important to have sensitive and accurate methods ...
Síntese de 4-(fur-2-il)- e 4-(tien-2-il)-pirimidinas a partir de β-Alcoxivinil trifluormetil cetonas
(Universidade Federal de Santa Maria, 2005-08-01)
The cyclocondensation of the 1,1,1-trifluoro-4-methoxy-4-(2-heteroaryl)-3-buten-2-ones (heteroaryl = furyl and thienyl) with urea and amidines (acetamidine, benzamidine, guanidine, 1H-pyrazole-1-carboxamidine and ...
Casos e clusters no desenvolvimento de políticas de reuso para tomada de decisão em jogos de cartas
(Universidade Federal de Santa Maria, 2020-03-27)
This work investigates combinations of cases and clusters that use reusable gaming actions
present in retrieved cases from queries made by virtual players. These queries are built using
case-based reasoning (CBR) designed ...
Identificação da fragilidade ambiental quanto à enchentes e desmoronamentos no perímetro urbano de Santa Maria (RS) através de geotecnologias
(Universidade Federal de Santa Maria, 2012-05-31)
The profile of the Brazilian cities today is configured for the disordered and excessive growth, actions without obligations with the natural, cultural and urban aspects of its landscapes and, over all, for improper and ...
Identificação contextualizada de objetos e pessoas na arquitetura ClinicSpace
(Universidade Federal de Santa Maria, 2012-12-03)
The health systems of the future point to the use of pervasive computing, which aims
to help users in their daily activities. Accordingly, we seek to make the systems more oriented
to end-user, reducing the distance ...
Jogos sérios em mundos virtuais: uma abordagem para o ensino-aprendizagem de teste de software
(Universidade Federal de Santa Maria, 2012-04-04)
This work presents an approach of game-based learning using a serious game called
Software Testing Team Game. It is a three-dimensional multiplayer game developed in the
virtual world OpenSim. This game simulates the ...
Caleol: modificações estruturais, estereoquímica absoluta e atividade antimicrobiana dos derivados
(Universidade Federal de Santa Maria, 2011-02-24)
The essential oil of the leaves of Calea clematidea, a plant of Asteraceae
family used in the folk medicine in treatment of flu, stomachic disease and gastric
ulcer, was extracted and of it was isolated the monoterpene ...
Análise fitoquímica e estudo das atividades antimicrobiana, antioxidante e de inibição da enzima acetilcolinesterase das espécies Zanthoxylum rhoifolium e Zanthoxylum hyemale
(Universidade Federal de Santa Maria, 2010-10-22)
The present study was designed to evaluate the biological activity from the stem bark of Zanthoxylum rhoifolium and Zanthoxylum hyemale. The neutral methanol extract and
fractions of this extract, the basic fractions that ...
Estudo de primeiros princípios de nanofios de inas submetidos a tensões extremas
(Universidade Federal de Santa Maria, 2015-03-30)
The ability to manipulate materials at the atomic scale turn it possible to look
for materials at the nanoscale that can supersede the performance of their bulk counterparts
in specific tasks. Nanowires, due to their ...