Marcos R. da Silva

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Colour and COD removals of the azo dyes Congo Red (CR) and Reactive Black 5 (RB5) were individually evaluated in a sequential anaerobic/aerobic treatment system. Additionally, dye toxicity was assessed by using acute ecotoxicity tests with Daphnia magna as the indicator-organism. The anaerobic reactor was operated at approximately 27 °C and with hydraulic(More)
In this paper we propose an architecture of intelligent agent for automatic locomotives operating. The system agent generates its action policy using a set of resources, such as type of railway, composition, belief perception and reasoning about the actions. The focus of the operator agent is directed to the choice of acceleration points (gear) and(More)
Research on science education has indicated the importance of discussing the nature of science. One way to encourage a more realistic view of the nature of science would be for teachers to adopt a philosophical attitude with respect to unobservable concepts. Concepts already abandoned by scientific theory - such as phlogiston - are normally described as(More)
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