PDF(140 KB)
Effects of Receiving Direction Angle on Amplitude of Ultrasonic Attenuation Tomography on the Cross Section of logs
Liu Tienan,Wang Lihai
Forest Engineering ›› 2009, Vol. 25 ›› Issue (3) : 60-62.
PDF(140 KB)
PDF(140 KB)
Effects of Receiving Direction Angle on Amplitude of Ultrasonic Attenuation Tomography on the Cross Section of logs
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