Nowadays, the technology intends to use materials such as magnesium alloys due to their high strength to weight ratio in engine components. As usual, engine cylinder heads and blocks has made of various types of cast irons and aluminum alloys. However, magnesium alloys has physical and mechanical properties near to aluminum alloys and reduce the weight up to 40 percents. In this article, a new ...

The present work taught cross-cutting content of Sciences and Biology to students Elementary High School through various versions the university outreach action “Medicinal Plant Market Instituto de Saúde e Biotecnologia: Healing from Biodiversity,” which were carried out interactively and, being a current theme, caught attention population Coari/AM, who daily use these plants. main objective th...