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Produção e caracterização de carvão ativado modificado por sonicação e sua aplicação na adsorção de fármacos
(Universidade Federal de Santa Maria, 2019-02-08)
Water pollution by emerging contaminants such as pharmaceuticals has gained interest in recent
years. These drugs have great potential in generating adverse effects for human and wildlife,
since they are endocrine ...
Efeitos de frustração geométrica em antiferromagnetos desordenados com clusters
(Universidade Federal de Santa Maria, 2019-01-11)
In magnetic systems, frustration - which refers to the inhability to satisfy all the interactios
simultaneously - has ravealed a rich phenomenology. In particular, disorder and geometrical
features are possible sources ...
Síntese de novos selenofenos indólicos via adição eletrofílica de SeCl2
(Universidade Federal de Santa Maria, 2019-02-01)
This work initially describes a novel and efficient protocol for the synthesis of 3-selenophen-3-yl-1H-indole derivatives via the electrophilic addition of SeCl2 to the conveniently substituted propargyl-indoles. The ...
Isolamento, determinação estrutural e atividades biológicas de metabólitos dos fungos Phellinotus piptadeniae E Pisolithus tinctorius
(Universidade Federal de Santa Maria, 2019-01-29)
Basidiomycete fungi are important living organisms that present several bioactive compounds, which have antimicrobial, antitumor, antioxidant, and anti-inflammatory potential. Several compounds and potentialities of this ...
Síntese de 4,5-bis(trifluormetil)-1h-pirazóis através de reações eletrofílicas e nucleofílicas empregando NIS e MFSDA
(Universidade Federal de Santa Maria, 2019-02-27)
This dissertation describes the development of an efficient methodology for the functionalization of position 4 of 3-alkyl(aryl)-1-aryl-5-trifluoromethyl-1H-pyrazoles systems by halogenation and subsequent reaction with ...
Estudo teórico das propriedades fotocatalíticas das ftalocianinas
(Universidade Federal de Santa Maria, 2019-02-20)
Phtalocyanines constitute a class of aromatic molecules that have been used by industry mainly
as dyes or pigments. More recently different Phtalocyanine derivatives were synthesized and are
been employed to fabricate ...
Aumentando os benefícios SIMD por meio de uma detecção de DLP em tempo de execução e energeticamente eficiente
(Universidade Federal de Santa Maria, 2019-02-22)
Multimedia applications have been widely present in embedded devices. Due to their
intrinsic nature, such application domain is benefited from Data Level Parallelism (DLP). In order
to improve performance-energy tradeoff, ...
Propagação de alvos em redes neurais artificiais
(Universidade Federal de Santa Maria, 2019-02-22)
Artificial neural network is a type of artificial intelligence focued on the study of learning systems
with data. The training of neural networks requires a method that evolves their internal
parameters, which are ...
A interatividade do geogebra no auxílio da compreensão da trigonometria
(Universidade Federal de Santa Maria, 2019-02-18)
This dissertation aims to verify whether the use of the software GeoGebra contributes for students’ learning about the basic concepts of Trigonometry, exploring the interactivity and the dynamics which are provided by this ...
Um sistema por processamento de fluxos aplicado à análise e monitoramento da rede
(Universidade Federal de Santa Maria, 2019-03-25)
Data processing is commonly performed by big data systems, in traditional architectures, performing data manipulation offline. However, with the need to get results with low latency, there is the use of other architectures, ...