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Uso de microondas na síntese de 3-alquil(aril)-5-hidróxi-5-triclorometil-4,5-diidro-1h-pirazol-1-carboxiamida
(Universidade Federal de Santa Maria, 2005-03-01)
A series of 3-alkyl and 3-aryl-5-hydroxy-5-trichloromethyl-4,5-dihydro-1Hpirazoles-1-carboxiamide that possess biological activity they were synthesized, in good yeld, through the cyclocondensation, in microwaves, of ...
Avaliação da atividade antimicrobiana de derivados isoxazóis
(Universidade Federal de Santa Maria, 2005-03-03)
Isoxazoles compounds have been showing a great variety of pharmacological activities. Such activities might be increased by the presence of halomethyl-substitute groups in isoxazoles. This work shows the synthesis of the ...
Síntese, reatividade e atividade antimicrobiana de β-enamino ésteres α-clorados utilizando K-10 e irradiação de microondas
(Universidade Federal de Santa Maria, 2005-12-15)
Enamino carbonylic compounds are important synthetic intermediates used in the synthesis of heterocycles and natural products. Our group of research has been dedicating much of our efforts to the development and implementation ...
Uso de modelos multivariados para a avaliação do valor de dienos em amostras de gasolina de pirólise
(Universidade Federal de Santa Maria, 2005-12-19)
The quality of gasoline may be affected by the presence of several compounds. Among them, the conjugated dienes play an important role due to the fact that their presence is strongly associated with gum formation, which ...
Síntese de 1,7-fenantrolinas e 7-aminoquinolinas trifluormetil substituídas
(Universidade Federal de Santa Maria, 2010-02-26)
This work, at first, describes the synthesis and characterization of new series of (Z,Z)-N,N -bis(oxotrifluoroalkenyl)-1,3-phenylenediamines by the addition/elimination reaction of β-alkoxyvinyl trifluoromethyl ketones ...
Efeitos de nanopartículas de La2O3 em ratos e biodistribuição de elementos por LA-ICP-MS
(Universidade Federal de Santa Maria, 2018-03-02)
The aim of this work is to evaluate possible effects caused by oral administration of La2O3-NP in rats. Due to the lack of toxicological knowledge of La2O3-NP, the acute oral toxicity test, according to OECD 425 guidelines, ...
CRFM LIB: uma ferramenta para aplicações com realidade aumentada
(Universidade Federal de Santa Maria, 2018-02-21)
Augmented Reality (AR) is characterized by the addition of virtual elements to real-world
images, creating a visual perception of interaction between virtual elements and real objects
into a visual scene. Augmented Reality ...
Cálculo de volume de monumentos a partir de integrais definidas para alunos do ensino médio com apoio do software geogebra
(Universidade Federal de Santa Maria, 2017-08-23)
Spatial Geometry is a currently applied content on the high school curriculum in most
high schools in Brazil. Proposing a different way to calculate volumes from Definite
Integrals is giving students one more tool to ...
Integração de técnicas de raciocínio baseado em casos e agrupamento de dados na construção de sistemas inteligentes
(Universidade Federal de Santa Maria, 2017-09-28)
Case-Based Reasoning (CBR) systems use past experiences, or cases, to make decisions about current problems. To retrieve these case base experiments, similarity techniques are employed on the search for past cases similar ...
Firewall Defense: um jogo sério colaborativo
(Universidade Federal de Santa Maria, 2017-08-24)
With the expansion of educational games, new alternatives are being researched to
improve learning. Among them are the collaborative games, which seek to involve all the
participants, in order to establish a negotiation ...