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Itens para a visualização no momento 91-100 of 167
Papel potencial do ácido rosmarínico sobre biomarcadores de estresse oxidativo e acetilcolinesterase de ratos diabéticos induzidos por estreptozotocina
(Universidade Federal de Santa Maria, 2013-04-22)
Oxidative stress plays an important role in diabetic pathogenesis. Rosmarinic acid
(RA) was used for the first time as an antioxidant agent for inhibition of diabetic
nephropathy. Oxidative stress induced by Streptozotocin ...
Parâmetros e probabilidades de irrigação para a cultura da soja na região central do Rio Grande do Sul por análise numérica
(Universidade Federal de Santa Maria, 2013-02-22)
The objective of this study was to determine the probable duration of the developmental
phases of the cycle for the soybean at different sowing dates, the average values of water
depth and number of irrigations needed ...
Educar sem corrimões? A formação em tempos de ruptura com a tradição
(Universidade Federal de Santa Maria, 2013-04-05)
This dissertation seeks to understand Hannah Arendt thought as hermeneutical link of formation comprehension, in face to the situation of breaking with tradition. Taking, as background, the turnaround operations of the ...
Diferentes recursos didático-pedagógicos no ensino de biologia: aproximando os conhecimentos científicos do cotidiano dos estudantes
(Universidade Federal de Santa Maria, 2013-07-11)
This study presents as its central theme the importance of using different didactic tools
to overcome the learning difficulties in abstract content such as Cellular and Molecular
Biology in the elementary and high school. ...
Seleção de linhagens de feijão para produção e acúmulo de cálcio na planta
(Universidade Federal de Santa Maria, 2013-01-25)
The common bean (Phaseolus vulgaris L.) is an important calcium source for human diet,
thus the evaluation of the calcium use efficiency in common bean a relevant tool for crop
sustainability. The aims of this study were ...
Síntese de Penta-2,4-dienonitrilas e 2-Cianometileno-but-3-enoatos de Etila via Olefinação de Horner-Wadsworth-Emmons e sua Aplicação na Obtenção de 4-Trifluormetil-piridin-2(1H)-iminas Substituídas e 2H-Piran-2-onas Análogas .
(Universidade Federal de Santa Maria, 2013-03-26)
This paper presents the Horner-Wadsworth-Emmons olefination applied
to preparing 22 new 5-alkoxy-3-trifluoromethyl-penta-2,4-dienenitriles (5), 5-
phenylthio-3-trifluoromethyl-penta-2,4-dienenitriles (6) and ethyl ...
Análise, projeto e implementação de um arranjo flexível de conversores estáticos para sistemas de conversão de energia eólica conectados à rede
(Universidade Federal de Santa Maria, 2013-07-29)
This Thesis deals with the analysis, design and implementation of a flexible arrangement
of static converters for grid connected Wind Energy Conversion Systems (WECS). The
main features of the proposed flexible arrangement ...
Os sentidos da experiência escolar para jovens do ensino médio: um estudo em três escolas na cidade de Caxias do Sul/RS
(Universidade Federal de Santa Maria, 2013-03-07)
This thesis fits into the theme Youth Culture and School Culture, in the Research Line -
School Practice and Public Policy, in the Graduate Program in Education at the Federal
University of Santa Maria UFSM/RS. The ...
Alegoria e morte em Pedro Páramo, de Juan Rulfo: o futuro em ruínas
(Universidade Federal de Santa Maria, 2013-02-25)
This paper proposes an analysis on the novel Pedro Páramo, by Juan Rulfo, in which elements such as the conception of future and past defended by Modernity, the allegorical construction and the work of mourning arise as ...
Contaminantes metálicos em contrastes a base de quelatos de gadolínio e reações de transmetalação
(Universidade Federal de Santa Maria, 2013-10-18)
Gadolinium (Gd) is the basis of contrast media most used in magnetic resonance imaging (MRI). Because it is a very toxic metal ion, all Gd-based contrast media present chelating agents in their composition. Gd-based ...