Zobrazeno 1 - 1
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pro vyhledávání: '"Syunsuke Miyazawa"'
Publikováno v:
Journal of the Society of Materials Science, Japan. 39:1228-1234
The natural frequency of longitudinal vibration due to sound emitted by hitting the cross section of lumber with hammer was measured to determine the modulus of elasticity (Et) and weight change. And its application for mechanical grading of lumber a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f5fdb5cdde3066cbb4d458b18f4a1dc0
https://doi.org/10.2472/jsms.39.1228
https://doi.org/10.2472/jsms.39.1228
