The aging aircraft fuselage skin contains multiple hole edge cracks,and the skin holes will change from circular holes to elliptical holes under loads.The calculation of stress intensity factors for multiple elliptical hole edge cracks is an important problem in a fracture mechanics analysis.An analytical calculation method based on a complex funct
One of the biggest challenges in higher education Media in Mexico (EMS) lies in improving the internal academic processes are living in schools.This research has as analyze academic evaluation in the construction of violence free environments and in favor of coexistence school harmonica in classrooms, represents to inquire about the complex they em
We believe a holistic approach to problems in childhood and adolescence will benefit the child, adolescent, and the whole family.As a rule, children have far less to say in the family than their parents.Therefore, it is the parents who set the agenda and decide how things are done at home and in relation to the child.Most often, it is also the pare
Landscape-scale forest disturbance events have become increasingly common worldwide under the combined influences of climate change and ecosystem modification.The mountain pine beetle (Dendroctonus ponderosae) epidemic that swept through North American forests from WALL HOOKS the late 1990s through the early 2010s was one of the largest such distur