Técnicas de transientes de corrente potenciostáticos foram empregadas no estudo de processos de eletroredução de camadas superficiais formadas no cobalto policristalino em soluções contendo íons carbonato-bicarbonato. As análises dinâmicas do sistema, realizadas através de procedimentos de investigação paramétrica e de rotinas de ajuste não-lineares, demonstraram que os da dos obtidos sob numa ...

Van Fraassen (1980) and Winther (2009) claim that we can explain phenomena in terms of scientific theories without believing that they are true. I argue that we ought to believe that they are true in order to use them to explain and understand phenomena. A scientific antirealist who believes that scientific theories are merely empirically adequate cannot use them to explain or to understand phe...

Kant believes that the concepts of a just and compassionate God and the life beyond death spring from our rational need to unite happiness with virtue. But since Kant had banished happiness from any place in moral reasoning, his philosophy of religion have been deemed as not merely discontinuous with his ethics but radically opposed to it. This article tries to argue against this apparent incon...