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Uma extensão para a linguagem de consulta AQL
(Universidade Federal de Santa Maria, 2017-08-31)
Software systems are constantly modified and adapted to new features. These modifications
usually increase their complexity and decrease their quality. One way to improve these
features and keep an updated software system ...
Realidade aumentada com rastreamento baseado em retas
(Universidade Federal de Santa Maria, 2017-08-28)
Augmented Reality (AR) is a human-computer interaction tool where the view of the
real-world environment is enhanced by computer-generated elements or objects. This
work is inserted in the context of AR, more specifically ...
Instabilidade difusiva em um modelo presa-predador generalista
(Universidade Federal de Santa Maria, 2017-01-26)
In this work, we investigate the pattern formation of a reaction-diffusion generalist
predator-prey system with constant alternative food source and a Holling type III
functional response. The local model can exhibit up ...
Síntese, caracterização e avaliação da atividade peroxidase de novos complexos de cobalto com ligantes derivados do piridoxal
(Universidade Federal de Santa Maria, 2017-02-16)
This work treat with the synthesis and characterization of new cobalt complexes with ligands derived from pyridoxal and their application as mimetics of the enzyme peroxidase. The complexes were structurally characterized ...
Tecidos têxteis: uma temática para o ensino e aprendizagem de Química
(Universidade Federal de Santa Maria, 2017-03-03)
In this study, we used the theme "Textile Fabrics" to contextualize chemical contents, in order
to favor the teaching and learning process of Organic Chemistry contents for students of last
year of a public school in the ...
Síntese de pirrolocumarinas via nitroestirenos e de novos selenetos derivados da cumarina
(Universidade Federal de Santa Maria, 2017-03-08)
This work describes the synthesis of pyrrolo[3,2-c]coumarins from 4-aminophenylcoumarins and nitrostyrenes (17 examples), which were obtained in yelds between 6 and 76 % in a reaction catalised by PTSA.H2O and under ...
Agrotóxicos em vinho: avaliação do método QuEChERS e da microextração líquido-líquido dispersiva na determinação multirresíduo por UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2017-03-10)
The widespread use of pesticides in agriculture has brought many benefits such as, increasing quantity and quality of crops grown. However, there is a concern regarding to the presence of pesticide residues in the consumed ...
Síntese e avaliação biológica de calcogeno-oxadiazóis e calcogenotetrazóis
(Universidade Federal de Santa Maria, 2017-02-24)
This work first describes the synthesis of the starting materials, the 1,2,4- and 1,3,4-oxadiazoles, from arylamidoximes and arylhydrazides derivatives, respectively. These two precursors were previously reacted with the ...
Novos corantes moleculares derivados de sulfetos vinílicos: síntese e propriedades fotofísicas
(Universidade Federal de Santa Maria, 2017)
This thesis describes, initially, the synthesis and photophysical characterization
of new sulfides,sulphoxides and vinyl sulfones based dyes. The compounds in question
were obtained in good yields and good diastereoselectivity ...
Síntese e avaliação farmacológica de 7-amino-espiro[cromeno[4,3-b]quinolina-6,1’-cicloalcanos] e derivados
(Universidade Federal de Santa Maria, 2017)
The present thesis describes the synthesis and pharmacological evaluation of new tacrine structural analogues, as well as N-derivation reactions and C-C and C-N coupling on these compounds. By this way, a series of ...