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Itens para a visualização no momento 11-20 of 162
Modelo não linear misto para descrever o afilamento do tronco de Araucaria angustifolia no sul do Brasil
(Universidade Federal de Santa Maria, 2014-07-31)
This study was develop aiming to apply the approach of nonlinear mixed models to describe
the taper of stem of Araucaria angustifolia (Bertol.) Kuntze of planted forests in southern
Brazil. A total of 340 trees were cubed ...
Simulação de algoritmos quânticos considerando a teoria quântica modal em Haskell
(Universidade Federal de Santa Maria, 2014-08-29)
The development of quantum algorithms faces some difficulties such as the lack of a
general-purpose quantum computer, a language or a specific formalism, or high consumption
of computational resources when it is simulation ...
Avaliação de métodos de preparo de amostras para posterior determinação de contaminantes inorgânicos em cápsulas de uso farmacêutico
(Universidade Federal de Santa Maria, 2014)
In this work, sample preparation methods were proposed, microwave-induced combustion (MIC) and microwave-assisted wet digestion (MAWD), for further Br, Cl, Cr, Cu, I and Mn determination in pharmaceutical capsules. For Cl, ...
Relação entre transparência da água obtida in situ e a reflectância da imagem landsat 5 tm do reservatório Passo Real
(Universidade Federal de Santa Maria, 2014-01-21)
The water quality monitoring is generally done from in situ sampling. However, the financial operational cost is high, beyond the difficult sampling in different sectors of the hydric body. As a possible solution for this ...
Análise das variáveis que influenciam a seleção de empresas para o guia de sustentabilidade da revista Exame
(Universidade Federal de Santa Maria, 2014-07-24)
The aim of this study was to determine the variables that influence the selection of companies for
the Exame Magazine Sustainability Guide. The variables analyzed were: firm size, sector of
activity, location, participation ...
Micotoxinas em matrizes de milho e trigo: validação de método analítico por ULPC-MS/MS e monitoramento em diferentes pontos da cadeia produtiva e comercial
(Universidade Federal de Santa Maria, 2014-02-24)
This study aims to validate an analytical multi-mycotoxin method using UPLC-MS/MS for 12 mycotoxins determination in wheat and maize matrices. The parameters evaluated for the validation were: calibration curve and linearity, ...
(Benzo[d]azolil)guanidinas: reações de ciclocondensação com trifluoracetil enol éteres na síntese de N-(pirimidinil)-1H-(benzo[d]azolil)aminas e N-derivados
(Universidade Federal de Santa Maria, 2014-08-05)
The present research describes a simple and efficient procedure to synthesize a novel series of twenty N-(pyrimidinyl)-1H-(benzo[d]azolyl)amines, from the cyclocondensation reaction of (benzo[d]azolyl)guanidines with ...
Síntese de 1,3-imidazois-2,4,5-trissubstituídos derivados de calcogenofenos
(Universidade Federal de Santa Maria, 2014-08-24)
In the following work, a series of new 2,4,5 trisubstituted 1,3-imidazoles 11 and 12 were synthesized from 1-aryl-2-(chalcogenophen-2-yl)-1,2-diketones targeting the union of two classes of interesting heterocycles the ...
Síntese de 1,1,1-trifluoro-4-metoxi-3-alquen-2-onas funcionalizadas e 1,2-azóis derivados
(Universidade Federal de Santa Maria, 2014-03-03)
This work describes the application of the method of trifluoroacetic anhydride acetal
acylation to four new functionalized ketones: 6-methyl-5-hepten-2-one, 4-phenyl-4-
oxobutanoic acid (3-benzoylpropionic acid), ...
Síntese e Caracterização de Novos Compostos Derivados de Bis(4-Aminobenzenoselenolato) de Mercúrio(II) e Bis(4-N,N-Dimetil-aminobenzenoselenolato) de Mercúrio(II)
(Universidade Federal de Santa Maria, 2014-07-18)
This work presents the synthesis and structural analysis of the first compounds obtained through the use of the building blocks Mercury(II) bis(4-Aminobenzeneselenolate) Hg(SeC6H4NH2-4)2 and Mercury(II) bis(4-N,N-Dim ...