Hideaki Kubota

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For the optimization of the image quality of radiographs, the effect of the blur due to the scattered x rays on the image signal of radiographs has been ignored. The purpose of this study is to investigate the effect of the scattered x rays on the object sharpness of radiographs for tube voltages of 50 to 100 kV. For the purpose, using a phantom of the(More)
In order to estimate the changes in the service for outpatients with hospital movement, patient flow investigation has been performed at both old and new hospitals. IC memory card was handed out to each outpatient, and timestamps and places were recorded on the card at the places that the patient have been by using card writers set at each department. By(More)
The purpose of this study was to identify the detailed mechanism how the maximum throwing arm endpoint velocity is determined by the muscular torques and non-muscular interactive torques from the perspective of the dynamic coupling among the trunk, thorax and throwing and non-throwing arm segments. The pitching movements of ten male collegiate baseball(More)
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