Buscar
Itens para a visualização no momento 291-300 of 17911
Síntese regiosseletiva de 2-metiltiopirimidin-4(3h)-onas N3-substituídas, uracilas derivadas e bromacil análogos
(Universidade Federal de Santa Maria, 2014-01-31)
A series of twenty-seven 3,6-disubstituted 2-methylthiopyrimidin-4(3H)-ones that have as substituents at 6 position of the pyrimidine ring the groups Me, Ph, 4-Me-C6H4, 4-OMe-C6H4, 4-F-C6H4, 4-Br-C6H4 and at 3 position the ...
Síntese de Seleno-Isoxazóis e Seleno-Indóis via Reações de Ciclização Intramolecular mediadas por Cloreto Férrico
(Universidade Federal de Santa Maria, 2013-03-05)
This work reports the synthesis of a series of 4-organoselenyl-isoxazoles (19 examples), prepared via FeCl3/diorganyl diselenides-promoted intramolecular cyclization of alkynone O-metyloximas. In general, the selenyl-isoxazoles ...
Síntese de Calcogenofenos e Isoquinolinas via Reações de Ciclização Intramolecular
(Universidade Federal de Santa Maria, 2013-11-26)
In the first part of this work, a series of selenophenes and tellurophenes were prepared starting from of (Z)-chalcogenoenynes, by employing FeCl3 diorganyl dichalcogenide-mediated intramolecular cyclization. In general, ...
Desenvolvimento de método para a determinação simultânea de resíduos de agrotóxicos e medicamentos veterinários em solo por UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2013-08-30)
Typically, soil is the final destination of pesticides applied in agriculture and of veterinary drugs employed in animal production. The global concern about the possible consequences of the increased use of these compounds ...
Avaliação de diferentes sistemas de alimentação sobre as características que afetam a qualidade da carcaça e da carne
(Universidade Federal de Santa Maria, 2008-02-13)
This work was divided in two experiments. In first the objective was to evaluate the carcass, meat, carcass no integrants components and fatty acids profile of intramuscular fat of Devon steers finished in: feedlot (CONF), ...
Síntese, propriedades e investigação estrutural de 1,3-diariltriazenos e complexos com Ni(II), Pd(II), Pt(II) e Hg(II)
(Universidade Federal de Santa Maria, 2006-08-04)
Although transition metal complexes with nitrogen coordination spheres involving monocatenated 1,3-diarylsubstituted triazenido ligands (ArNNNAr)−, have been investigated in the last decades, the structure of such compounds ...
Gestão sustentável da cadeia de suprimentos e desempenho inovador no setor mineral
(Universidade Federal de Santa Maria, 2013-05-29)
The management of supply chains and the incorporation of sustainability into their management initiatives are being used by different organizations in different market segments, in order to obtain competitive advantages ...
Estilo gerencial e capacidade organizacional para mudança: um estudo de caso em uma empresa do setor de implementos rodoviários
(Universidade Federal de Santa Maria, 2013-06-24)
This study aims to identify the relationship between management styles and the factors that facilitate or hinder organizational changes. Therefore, has been carried out a descriptive and quantitative character survey, ...
A utilização das ferramentas de marketing on- line: um estudo com os mestrandos em administração das universidades federais brasileiras
(Universidade Federal de Santa Maria, 2005-09-01)
This thesis presents a study about the use of on- line marketing tools by master s students in Administration programs in public Brazilian universities,
emphasizing the importance of such tools for the construction of a ...
Satisfação e desempenho dos servidores técnicos administrativos de uma instituição federal de ensino superior
(Universidade Federal de Santa Maria, 2013-06-27)
Brazilian public institutions are facing recovery actions to encourage a greater appreciation of its human resources through the development of new organizational policies. Even with all this development, there is still a ...