Abstract The NECTAR instrument provides access to thermal and fast neutrons which are suitable for non-destructive inspection of large and dense objects.Scintillators are used in combination with a camera system for radiography and tomography.Gamma-rays are produced as inevitable by-products of the neutron production.Furthermore, these gamma-rays a
We question how the outcome of the pandemic Electronics of the new corona virus has been for public education in the country and in Tocantins, with education as a field of struggles with its actors imposing their political and arbitrary cultural options and their legitimate categories of perception and appreciation.In general, it seeks to discuss h
In this study, a resonant bending fatigue test rig, designed and implemented by the University of Pisa, is presented, providing a detailed description of the set-up of the machine, the strain gauges calibrations, and the control system used with the main electronic devices.Several geometries of drill pipe connections and pipe samples made of differ
Stress is a constant factor in today′s fastpaced life that can jeopardize our health if left unchecked.It is only in the last half century that the role of stress in every ailment from the common cold to AIDS has been emphasized, and the mechanisms involved in this process have been studied.Stress influences the immune response presumably th