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Degradação de nonilfenol polietoxilado e de efluente têxtil por meio de eletrocoagulação e processos Fenton
(Universidade Federal de Santa Maria, 2004-07-29)
Nonylphenol polyethoxylates are nonionic surfactants widely
employed on textile industry. Submitted to inadequate effluent treatment processes, these compounds can be eventually biodegraded to metabolites with estrogenic ...
Combustão iniciada por microondas em sistema fechado para a decomposição de amostras biológicas
(Universidade Federal de Santa Maria, 2004-05-24)
A procedure for sample decomposition was proposed in this study based on sample combustion assisted by microwave radiation. Combustion is started by microwave radiation in the presence of oxygen under pressure using ammonium ...
Vulnerabilidade natural de aquíferos e potencial de poluição das águas subterrâneas
(Universidade Federal de Santa Maria, 2004-12-13)
A widespread attitude exists of underestimating the risks of pollution of the groundwaters that it opposes to the growth of its use; this situation increases its risk of contamination. Like this, the work had as general ...
Estudo de primeiros princípios de Perovsquitas RNiO3 (R = Pr, Nd)
(Universidade Federal de Santa Maria, 2004-03-26)
Não foi possível inserir o abstract.