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Dióxido de estanho nanoestruturado dopado com terras raras como catalisador e sensor de gases.
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Química - PPGQ, 2004-02-10)
This work presents and discusses results of the effects of doping on rare earth-doped nanosize SnO2, obtained using the polymeric precursor method and prepared at different annealing temperatures. Only the cassiterite phase ...
Improvement of the gas sensing behavior in nanostructured Gd0.9Sr0.1CoO3 by addition of silver
(2009)
This paper presents an improvement of a recurrent learning system called LSTM-CSVM (introduced in [1]) for robot navigation applications, this approach is used to deal with some of the main issues addressed in the research ...
Scaling of bubbling fluidized bed reactors
(Universidad Nacional de ColombiaMedellín - Minas - Doctorado en Ingeniería - Sistemas EnergéticosDepartamento de Procesos y EnergíaFacultad de MinasMedellínUniversidad Nacional de Colombia - Sede Medellín, 2020-12)
Esta tesis presenta un modelo matemático novedoso para la activación de carbón con CO2, vapor y una mezcla de CO2 / vapor. La principal contribución de este modelo es que el CO2 y el vapor reaccionan con distintos sitios ...
Development of an equation of state based on thermodynamic perturbation theory (TPT) for mixtures prone to asphaltene precipitation
(Universidad Nacional de ColombiaMedellín - Minas - Doctorado en Ingeniería - Sistemas EnergéticosDepartamento de Procesos y EnergíaFacultad de MinasMedellínUniversidad Nacional de Colombia - Sede Medellín, 2021-01-05)
We use the molecular theory of liquids to review the Perturbed Chain-Statistical Association Fluid Theory Equation of State (PC-SAFT EoS) and formulate new dispersive and repulsive terms for this model. As a well-known ...
Processamento, microestrutura e caracterização eletroquímica de cermets Ni-CGO obtidos por síntese em uma etapa
(Universidade Federal do Rio Grande do NorteBrasilUFRNPrograma de Pós-Graduação em Ciência e Engenharia de MateriaisCentro de Ciências Exatas e da Terra, 2013-03-25)
Ni-Ce0.9Gd0.1O1.95 (Ni-CGO) cermets have been widely investigated as solid oxide fuel cell (SOFC) anodes. The electrochemical performance of these materials depends strongly on the so-called triple phase boundaries (CTFs) ...