Nanocrystalline rare earth mixed oxides SmFe1 xCoxO3-δ were prepared by sol-gel method at 1 073 K for 2h calcination and characterized by X-ray diffraction (XR
A copper converter slag was examined chemically and mineralogically to determine its existing phases, in particular those containing Co and Cu. The slag consist
This paper presents the two-machine flowshop group scheduling problem with the optimal objective ofmaximum lateness. A dominance rule within group and a dominan
The thermodynamic factor in diffusion in the L 12-type non-stoichiometric intermetallic compounds N i3Ga and Pt3In was derived from the experimentally measured