1.Molecule design, characterization, synthesis.2.Surface analysis.3.Evaluation of additives especially for the corrosion inhibitors in industrial cleaning (Pre-treatment).4.Evaluation of corrosion process.5.Study of adsorption and failure mechanism of the inhibitors. 6.Study of the molecule structure by theoretical methods.7.Formulas of the relative additives (Industry and daily use)，such as surface treatment and cleaning(industral and daily used).