Leandro Gonçalves Feitosa

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This paper investigates the aging performance of two types of insulating mineral oils through accelerated aging experiments. One of the investigated insulating mineral oils was a naphthenic type,(More)
A method to determine mineral insulating oils remaining useful life by following oxidation induction time (OIT) using a test method originally applied to vegetable oils and biodiesel fuels was(More)
The most common cause of chemical aging of insulating oils is oxidation. Inhibited oils are insulating oils to which an oxidation inhibitor such as 2,6 ditertiary-butyl phenol or 2,6(More)
Alkaloids from plants of the genus Erythrina display important biological activities, including anxiolytic action. Characterization of these alkaloids by mass spectrometry (MS) has contributed to the(More)
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