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Publikováno v:
Transactions of Japan Society of Spring Engineers. 1986:13-21
多くの研究者によりコイルばねの応力問題についての研究がなされている. しかし, 円形もしくは長方形断面以外の線を使ったコイルばねの応力解析についてはほとんどなされておらず, H
Autor:
Sadakatu Taneda, Yukio Matumoto
Publikováno v:
The Journal of the Geological Society of Japan. 60:106-112
Volcano Aso which had been almost dormant since April, 1952, suddenly became active at the end of April, 1953., Repeated explosions occurred in Nakadake crater, the first of which occurred at 11h31m, April 27, the second at 02h16m, April 28, the thir