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Aplicação de ultrassom para remoção de enxofre e de nitrogênio do óleo diesel: avaliação de parâmetros do processo e determinação de enxofre e de nitrogênio por técnicas espectrométricas e cromatográficas
(Universidade Federal de Santa Maria, 2011-09-29)
In the present work, the ultrasound assisted oxidation of sulfur and nitrogen compounds present in diesel fuel was investigated. The oxidized compounds are more polar than their original forms and can be removed from oil ...
A adoção do padrão internacional contábil e sua influência na estrutura de capital das empresas brasileiras: um quase-experimento
(Universidade Federal de Santa Maria, 2019-03-29)
The capital structure of a company consists on the proportion of equity and thirty-part capital, which signs information related to its financing structure, making the company susceptible to the agents’ evolution which ...
Por um conceito ampliado de liberdade: sobre a bi-implicação de autonomia e heteronomia
(Universidade Federal de Santa Maria, 2018-08-20)
Il s’agit de travailler ici avec un problème déjà classique dans la tradition philosophique :
celui de la liberté. Il est légitime, donc, d’établir préalablement comme question générale
de la recherche ce que se formule ...
Lógica e psicologia moral da santidade e do heroísmo
(Universidade Federal de Santa Maria, 2018-03-16)
This thesis addresses supererogatory acts, that were brought to the fore in Philosophy by Urmson in the seminal article entitled Saints and Heroes, which characterized the supererogatory acts as acts that go beyond duty, ...
Capital social e desenvolvimento territorial endógeno: desafios e perspectivas para a criação de um geoparque em Caçapava do Sul, RS (Brasil)
(Universidade Federal de Santa Maria, 2018-11-30)
The present thesis, based on the theoretical contribution provided by endogenous development and social capital, discusses Geotourism and the creation of a Geopark as a territorial development strategy for Caçapava do Sul ...
Engenharia de cristais: estudo conformacional, topológico e energético de t-butilpirazóis e bis-t-butilpirazóis
(Universidade Federal de Santa Maria, 2019-02-22)
This work presents a proposed crystallization mechanism and conformational study of regioisomers of 5(3)-aryl-3(5)-carboxyethyl-1-(1,1-dimethylethyl)-1H-pyrazole (aryl, 4-X-C6H4, where X = H, F, Cl and Br) and a series of ...
Influência da cognição e do metabolismo lipídico-inflamatório-oxidativo no desempenho auditivo de idosos após adaptação de próteses auditivas
(Universidade Federal de Santa Maria, 2015-12-11)
This thesis aimed to track some genetic mutations associated with hearing loss; to assess cognitive status, oxidative stress level, lipid and inflammatory profile also speech perception and auditory processing skills in ...
Síntese, análise estrutural, luminescência e atividade biológica de complexos de metais de transição com ligantes derivados de benzoilidrazina e feniltiossemicarbazida
(Universidade Federal de Santa Maria, 2019-01-30)
This work reports the synthesis and characterization of new complexes with 2,6-diacetylpyridine-bis(benzoylidrazone) (L1) and 2,6-diformylpyridine-bis(4-phenylthiosemicarbazone) (L2) ligands. The complexes [(L1)2Ce]Cl3.14H2O ...
Interação entre líquidos iônicos imidazolíneos e os alginatos de sódio e hidroxâmico
(Universidade Federal de Santa Maria, 2019-01-30)
This work describes the interactions between sodium alginate (ALG) and hydroxamic
alginate (AHX) with the monocationic imidazolium ionic liquids series (CnMIMBr).
From the surface tension, electrical conductivity, ...
Efeitos de campos magnéticos aleatórios em sistemas de vidro de spin com clusters
(Universidade Federal de Santa Maria, 2019-03-08)
This work investigates the effects of the presence of random magnetic fields (RFs) in
thermodynamic quantities that characterize the spin glass state (VS). We adopt a cluster
spin model that considers long-range disordered ...