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公开(公告)号：US10234374B2
公开(公告)日：2019-03-19
申请号：US15459291
申请日：2017-03-15
摘要： A method is used for selecting a boundary sample. The method includes acquiring a deterioration trend of a new device by performing a deterioration acceleration treatment to the new device, acquiring deterioration trends of a plurality of repaired devices which have been repaired after long-term use by performing a deterioration acceleration treatment to the plurality of repaired devices, calculating an upper limit of deterioration of the repaired device based on the deterioration trend of the new device, and selecting a boundary sample indicating a limit state in which the device can be reused as a standard of reuse of the device by specifying a repaired device having the largest deterioration among the repaired devices having a deterioration not larger than the upper limit.
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公开(公告)号：US10215549B2
公开(公告)日：2019-02-26
申请号：US15459506
申请日：2017-03-15
发明人： Yuuji Tagawa , Kazunari Kashima , Chikara Morooka , Hideharu Oniki , Yuya Niidome , Makoto Koide , Teppei Kishida , Takeya Nakajima , Hiroyuki Abe , Hideharu Osoguchi
摘要： A method for measuring a deflection amount of a columnar structure includes the following steps. The method includes placing a longitudinal direction of a columnar structure in a direction parallel to a ground to place the columnar structure on a support member that supports the columnar structure such that the columnar structure is rotatable around an axis in the longitudinal direction; determining that the columnar structure placed has stopped rotating under its own weight around the axis; and measuring, after the stop of the rotation is determined, measuring a distance in a vertical direction between a straight line connecting both ends in the longitudinal direction of the columnar structure and a curved line along a shape in the longitudinal direction of the columnar structure.
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