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Compostos β-enamino carbonílicos: obtenção utilizando microondas, avaliação da sua reatividade e atividade antimicrobiana
(Universidade Federal de Santa Maria, 2007-05-10)
In this work, we explored new methodologies to obtain β-enamino carbonylic compounds derived from 1,3-dicarbonyl and α-amino acids using microwave and solvent
free conditions. The β-enamino carbonylic compounds were ...
Avaliação do método do balanço da camada limite para a estimativa de fluxos turbulentos noturnos
(Universidade Federal de Santa Maria, 2006-10-27)
This work is about to verify the performance of the boundary layer budgeting method as alternative for measuring the surface turbulent fluxes in conditions that allow the
validation of the measurements with data taken ...
Determinação de espécies de arsênio por LC-ICP-MS
(Universidade Federal de Santa Maria, 2006-07-28)
The development of a method for As speciation in aqueous by-product of pyrolysis process of foliate bituminous is described in the present work. Arsenic species are separated by liquid chromatography (LC) coupled to ...
Fluxos turbulentos de CO2 em uma área de arroz irrigado no RS
(Universidade Federal de Santa Maria, 2007-11-28)
This thesis quantifies the net change of CO2 (NEE) in an irrigated rice crop cultivation in
RS (Brazil). The research is part of the project CT-HIDRO, which presents as main purpose the
description of surface conditions ...
Síntese e atividade biológica de furan-3-carboxamidas, 3-aminometilenodiidrofuran-2-onas e carbamatos de etila trialometilados
(Universidade Federal de Santa Maria, 2007-03-02)
The present work describes the synthesis of a new series of furan-3-carboxamides and 3-aminomethylenedihydrofuran-2-ones, through the reactions of 3-trichloroacetyl furan or furan-3-carbonyl chloride, and 3-trichloroacet ...
Síntese e análise estrutural de haletos de organilcalcogênios ( Se e Te ) com estados de oxidação mistos
(Universidade Federal de Santa Maria, 2007-03-22)
This work describes the synthesis and structural analysis of new organochalcogen halides with mixed oxidation states in the same molecule. Studies in the solid state by X-ray diffraction reveal a general tendency to associate ...
Magnetoimpedância e dinâmica da magnetização em nanoestruturas ferromagneto/Cu (Ag)/ferromagneto
(Universidade Federal de Santa Maria, 2007-08-17)
In this work the static and dynamic magnetic properties are investigated in FM/i/Cu(Ag)/i/FM tri-layer structured samples where FM is the ferromagnetic multilayer and i is the SiO2 isolating layer. All samples have been ...
Análises temporais e espaciais do uso da terra, por meio de geotecnologias, no município de Pirapó - RS
(Universidade Federal de Santa Maria, 2006-09-18)
The objective of the research was to make temporal and spatial analysis of land use, in Pirapó-RS, through the use of geotechnologies. The methodology was basically divided into 5 steps: in the first step, diagnoses of ...
Análise da evolução espaço-temporal da produtividade de uma lavoura de soja (Glycine max (L.)Merrill). Estudo de caso
(Universidade Federal de Santa Maria, 2006-09-06)
This work consists in presenting and discussing a methodology of interpretation of the temporal evolution of the productivity of agricultural cultures, whose harvests were realized by machines equipped with income and ...
Funções de pedotransferência para a estimativa de propriedades físico-hídricas de solos cascalhentos sob povoamentos florestais
(Universidade Federal de Santa Maria, 2022-10-25)
Saturated soil hydraulic conductivity (ksat), field capacity (FC), permanent wilting point
(PWP) and available water (AW) are properties commonly used as input in models to
predict hydrological and erosive processes. in ...