Fig. 8From: Nondestructive evaluation of oviposition behavior of the bamboo powderpost beetle, Dinoderus minutus, using X-ray computed tomography and acoustic emissionRelationship between propagating distance (t) in the T direction and amplitude level of elastic waves for when the length (l) of the bamboo specimen was 40, 30, 20, and 10 mm. Error bars standard deviation (n = 3)Back to article page