Adsorption in Processing Technologies.- Surface Analytical Studies of Oxidation and Collector Adsorption in Sulfide Mineral Flotation.- Metals from Sulfide Minerals: The Role of Adsorption of Organic Reagent in Processing Technologies.- SXPS and XANES Studies of Interface Reactions of Organic Molecules on Sulfide Semiconductors.- Recovery of Gold from Its Ores: An STM Investigation of Adsorption of the Aurocyanide onto Highly Orientated Pyrolytic Graphite.- Anion Adsorption.- Atomic Structure of Cu(111) Surfaces in Dilute Sulfuric Acid Solution.- Chloride Adsorption on Cu(111) Electrodes: Electrochemical Behavior and UHV Transfer Experiments.- SHG Studies on Halide Adsorption at Au(111) Electrodes.- Electrochemical Surface Modification.- Electrodeposited Magnetic Monolayers: In-Situ Studies of Magnetism and Structure.- Structural Transitions in Organic Adlayers - A Molecular View.- Assembly of Au-Cluster Superstructures by Steering the Phase Transitions of Electrochemical Adsorbate Structures.- Interface Reactions.- Imaging Localized Reactivities of Surfaces by Scanning Electrochemical Microscopy.- Surface Reactions of Hot Electrons at Metal-Liquid Interfaces.- Low-Energy Negative Recoil Spectroscopy Principles and Applications.