Abies nebrodensis (Lojac.) Mattei is an endemic species of the north-west Sicily located in 84 ha area Madonie Regional park. The current population limited to 30 relic adult trees and a fluctuating number juveniles natural regeneration. defined as “Critically Endangered” Italian list threatened plants classified CR-D 2000 IUCN Red List Threatened Species. This article reports key action undert...

Abstract The conventional and in situ transmission electron microscopy imaging of quenched 1.5 pct Cu steel has shown that phases are present even before aging do not disappear after typical times. 9R precipitates appear 15 minutes heating, but they more noticeable longer processing This suggests the precipitation mechanisms carbon steels deserve further analysis, especially because inevitable ...