1. 1) Abe, Y., M. Kawaji and T. Watanabe : “Study on the Bubble Control by Ultrasonic Wave”, J. Multiphase Flow, 13, 372-386 (1999)
2. 2) Yamakoshi, K. and E. Mori : “Long Cylindrical Tube for Radiating High-Intensity Ultrasound”, The Acoustical Soc. Japan, 35, 413-419 (1979)
3. Development of a novel method for mechanical plating using ultrasonic vibrations
4. 4) Miura, H. : “Radiation Force in Aerial Intense Standing Wave Field of Two-Dimensional Distribution”, The Acoustical Soc. Japan, 47, 941-947 (1991)
5. 5) Hashiba, K., K. Terao and T. Kunoh : “Fundamental Studies on Ultrasonic Levitation”, Trans. Japan Soc. Mech. Eng., Series C, 61, 590, 3931-3936 (1995)