Masae Takeuchi

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The relationships between growth characteristics and wood properties were investigated for a threatened species, Pericopsis mooniana, to promote the establishment of plantations of this species in the tropics. Growth characteristics (diameter and height) and stress-wave velocity (SWV) of trees were measured for 22-year-old P. mooniana trees planted in(More)
Characteristics of a magnetostrictive torque sensor were studied in the excitation current range 10~1000 mA and at excitation frequencies from 1 kHz to 100 kHz. Ni-Cr-Mo steel (JIS standard SNCM439) ferromagnetic material was used in an experimental shaft because of its high mechanical strength under applied torques ranging - 1500~1500 Nm. As the excitation(More)
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