About FUKUDA Makoto
About Akita Univ., Akita, JPN
About NISHIHIRA Morimasa
About Akita Univ., Akita, JPN
About IMANO Kazuhiko
About Akita Univ., Akita, JPN
About Japanese Journal of Applied Physics
About pulse echo technique
About fractional harmonic
About ultrasonic measurement
About converter
About piezoelectric device
About series connection
About sensitivity (ratio)
About resonance frequency
About tensile test
About test piece
About metallic material
About plastic deformation
About piezoelectric transducer
About piezoelectric bimorph
About sub-harmonic
About Material testing
About Acoustical measurements and instrumentation
About 塑性変形
About 金属棒
About 分周波
About 分極
About 二重層
About 圧電トランスデューサ
About 検出システム