In this paper, we propose an alternative process based on spark plasma sintering for the manufacture of nuclear fuel plates research reactors. This presents significant flexibility to control manufacturing parameters such as meat geometry and porosity according designer specifications. Furthermore, it allows increase uranium loading up 7.3 gU cm−3, exceeding current requirements high performanc...

patients and methods previously recorded data of 231 patients who underwent surgical closure of vsd between january 2009 and january 2012 at the rajaie cardiovascular medical and research center were retrospectively reviewed. vsd surgical repair was performed using continues suturing technique in group a patients (n = 163, 70.6%) and interrupted suturing technique in group b patients (n = 68, 2...