The effect of composition and microstructure on hardness and toughness of Mo₂FeB₂ based cermetsMo₂Fe
B₂ based cermets with various Ni, Cr and C concentrations were prepared. The effect of Ni, Cr
Form factors for B→j1j2 decays into two currents in QCDWe discuss the general properties of the
B-meson decay form factors F(q2,q′2), describing
B