| 摘要 |
PURPOSE: Provided is a method of exterminating a noxious clustered creature such as cyanobacteria (mycrocystis) that are generated at ponds, lakes or marshes. CONSTITUTION: The clustered creature exterminating method comprises the steps of: pressurizing a fluid containing a clustered creature; suddenly lowering said pressure applied to the fluid; and destroying a bonding in the clustered creature by a cavitation caused by the pressure drop to exterminate the clustered creature.
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