Due to their simplicity and flexibility, polygonal meshes are about to become the standard representation for surface geometry in computer graphics applications. Some algorithms in the context of multiresolution representation and modeling can be performed much more efficiently and robustly if the underlying surface tesselations have the special subdivision connectivity. In this paper, we propo...

Different complications after Pacemaker (PM) implantation, as skin erosion, cutaneous exposure or even extrusion of the generator device, require surgical decision, with different procedures. We describe our experience, with new pocket manufacturing beneath the pectoralis major muscle (PmM) associated to wrapping of the PM generator in a polypropylene synthetic mesh. Safe anchorage and muscular...

The activity of dibenzylzirconium and dibenzylhafnium Salalen complexes in polymerisation of propylene with MAO as a cocatalyst is described. Three Salalen ligand precursors combining a bulky alkyl group (1-adamantyl) on the imine-side phenol and electron withdrawing halo groups of different sizes on the amine-side phenol were explored. All metal complexes were obtained as single diastereomers....

Using interval Taylor models (TM), we construct algorithms for the computer-assisted proof of existence periodic trajectories in systems ordinary differential equations (ODEs). Although TMs allow one to guaranteed estimates families solutions ODEs when integrating over large time intervals, residual included begins grow exponentially and becomes dominant part estimate solution pencil, making it...

Abstract Developments in polymer technology have introduced new choices such as using fibers and fiber-reinforced polymers (FRP) to improve the impact behavior of concrete structures. In this research, 52 samples (half which wrapped with glass polymers-GFRP) different compressive strengths (20, 30, 40 MPa) polypropylene were constructed. These subjected weight dropping (46.7 kg 66.8 kg). The nu...