| · Recovery of Molybdenum from Spent Lubricant | ·····39 |
| · Recovery of Molybdenum from Chilean Copper Slag | ·····48 |
| · Kinetics of Reduction Step of Wustite to Iron of Hematite and Quaternary Calcium Ferrite Mixtures | ·····55 |
| · Determination of Ni in Fe-based Alloys using Low Pressure Laser-Induced Argon Plasma Emission Spectrometry | ·····63 |
| · Effect of Mn Contents on Fatigue Properties of Plasma-Nitrided Fe-C-Mn Steels | ·····69 |