抄録
It can be emphasized that miniaturization of bubble‐size is one of the superiority with regard to the non‐uniform creation of reaction fields within liquid phase. Owing to the combination of energy supply such as ultrasonic or electromagnetic waves with reaction fields, physicochemical phenomena occurring in these reaction fields are significantly observed. In this paper, the classification of the reaction field presented in the gas‐liquid‐solid system under fine‐bubble supply was carried out. Then, the engineering applications for environmental conservation and material manufacturing were described.