Nous generalisons le theoreme de linearisation C1 des contractions locales du a Hartman et expliquons comment en simplifier la demonstration. Pour cit...
Cutting tools are subjected to work, mechanical and tribological stresses, during the crushing of thermoplastics. The purpose of this work was to inve...
A new oxyfluoride K3(Nb3Ti2)O11F4 with a tetragonal tungsten bronze type structure has been prepared and characterized in the KNbO3---TiOF2 system. Th...
Une analyse biostratigraphique detaillee a ete realisee sur les Chitinozoaires ordoviciens de trois forages (Gd.1bis, N1.2 et Clr.1) du Sahara algerie...
