The mechansim of the effect of rare earth(RE)on wearability of spray-welding layers has been investi-gated by adding RE in ppm into Nickel base self-fluxing all
This paper studies photo-,cathodo-and X-ray luminescence of Ce<sup>3+</sup> and Dy<sup>3+</sup>mono-doped LABO<sub>3</sub>samples or Ce<sup>3+</sup>,Dy<sup>3+</