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Itens para a visualização no momento 121-130 of 131
Mudanças de uso e cobertura da terra na microbacia hidrográfica do Arroio Grande, Santa Maria-RS
(Universidade Federal de Santa Maria, 2011-12-22)
The issues of land use changes and land covering have attracted interests,
both inside and outside the scientific community, due to the accelerated process and
potential environmental and socioeconomic impacts of these ...
Síntese de pirazóis e desenvolvimento de novos líquidos iônicos derivados de componentes farmacologicamente ativos
(Universidade Federal de Santa Maria, 2011-01-12)
The synthesis of two series of N-substituted pyrazoles from the cyclocondensation
reaction of β-enaminones ([R1C(O)C(R2)=CHN(Me2)], where R1 = Me, C6H5, 3-MeOC6H4,
4-Me-C6H4, 4-MeO-C6H4, 4-F-C6H4, 4-Cl-C6H4, 4-Br-C6H4, ...
Mapeamento de áreas úmidas e banhados na microbacia do Rio Amandaú, região noroeste do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2011-04-19)
The wetlands are one of the world s most productive places, with high rates of
biological diversity and also highly impacted. In this context, this project was aimed at
mapping the Wetlands Ecosystems present in the soil ...
Precisão do posicionamento RTK usando correções diferenciais transmitidas pelo sistema NTRIP (RBMC-IP)
(Universidade Federal de Santa Maria, 2011-03-18)
The Global Navigation Satellite System (GNSS), in the last few years, has been
supporting the development of mobile telephony and the expansion of electronic
equipments (GNSS receivers) to promote a revolution in geodetic ...
Síntese e caracterização de um ligante bisfenilfosfinato rígido e novos compostos poliméricos
(Universidade Federal de Santa Maria, 2011-03-21)
In this work, the ammonium salt of acid and a new polymeric compound of Cadmium, ligand 1,4-phenylene bis phenylphosphinic acid already reported by Herring at 1967 (Herring, L., D.; United States Patent, 3, 341-576, 1967) ...
Síntese, caracterização e estudo da química de coordenação de novos compostos contendo Índio e Telúrio
(Universidade Federal de Santa Maria, 2011-07-29)
In this work we describe the synthesis and characterization of the first indium
and tellurium compounds in which tellurium shows metallic behavior towards indium.
We have studied the coordination chemistry of indium and ...
Catálogo de intensidades de linhas de emissão de remanescentes de supernovas e aplicações
(Universidade Federal de Santa Maria, 2011-06-30)
Emission line intensities from ionized nebulae are an important information source about
this objects. There are many data on line intensities emitted from supernova remnants scattered
in the literature. However, these ...
U-SEA: um ambiente de aprendizagem ubíquo utilizando cloud computing
(Universidade Federal de Santa Maria, 2011-12-05)
The diffusion of the learning virtual environments use shows a great potential to the applications development that meet the needs in the education area. In view of the importance of a more dynamic application and one that ...
Síntese de 3-haloacetil-4-metilquinolinas utilizando líquido iônico sob irradiação de micro-ondas
(Universidade Federal de Santa Maria, 2011-07-27)
The synthesis of a series of 3-haloacetyl-4-methyl-quinolines from the
cyclocondensation reaction of 4-alkoxyvinyl ketones [R1C(O)CH=C(R2)(OCH3),
where R1 = CF3, CCl3, CHCl2, CF2Cl, CF2CF3 and R2 = Me, Et, Pr, Bu, i-Bu, ...
Estimativa dos fluxos de energia superficiais utilizando o modelo de superfície noah modificado para culturas alagadas
(Universidade Federal de Santa Maria, 2011-08-12)
The following study quantifies the seasonal and annual distribution of energy balance
components (sensible heat fluxes, latent, soil, and net radiation) in this flooded
irrigated rice ecosystem in Southern Brazil for ...