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Shock and Vibration
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2024
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Article
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Fig 10
/
Research Article
Study on Ultrasonic Characteristics and Prediction of Rock with Different Pore Sizes
Figure 10
Sound pressure snapshot of 20 mm hole model at different times. (a) 12
μ
s, (b) 23
μ
s, (c) 33
μ
s, and (d) 48
μ
s.
(a)
(b)
(c)
(d)