Akihide Hirano

Water-treating agent and method for treating water

Method for the treatment with reverse osmosis membrane

Process for preventing formation of scale

Corrosion Inhibitions of Mild Steel and Copper by Oxygen Reducing Treatment Using Sealing Materials for Water Surface in Open Heat Storage Water System: － Relationships between Dissolved Oxygen Concentration and Corrosion of Mild Steel and Copper (1) －@@@―軟鋼や銅の腐食と溶存酸素濃度の関係（1）―

Corrosion Inhibitions of Mild Steel and Copper by Oxygen Reducing Treatment Using Sealing Materials for Water Surface in Open Heat Storage Water System: －Cause of Copper Corrosion Potential Increasing and Countermeasures for Its Decreasing (2)－@@@－銅の腐食電位上昇要因ならびに腐食電位低下策（2）－

Ballast water treatment agent and method of treating ballast water of ship using the same

Treating agent for ship ballast water and method for treating ship ballast water using same

Corrosion Inhibition Performance for Copper Tubes of Heat Source Machines by Oxygen Reducing Treatment Using Sealing Materials for a Water Surface in an Open Heat Storage Water System, based on Analyzing Eddy-current Inspection Results

Method for storing sodium hypochlorite

SHIPS' BALLAST WATER TREATMENT AGENT AND TREATMENT METHOD OF SHIPS' BALLAST WATER USING THE SAME