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Enhanced mucosal sealing around titanium implants can reduce complications such as peri‐implantitis. The present study aims to investigate the mucosal healing at the early stage around the protease activated receptor 4‐agonist peptide (PAR4‐AP)‐ or perpendicularly protruded type I collagen (pCol)‐treated titanium implants. A total of 72 implants were placed in 36 rats in the study. Following extractions,...
In this paper, an optimal gate driving condition between switching loss and surge voltage is investigated by circuit simulation technique. An equivalent circuit model of power semiconductor devices, such as an IGBT and a FWD, are employed. Chip level transient switching waveforms of IGBT at different gate driving condition are calculated and evaluated with measurement results. Evaluation result shows...
In this paper, total performance of two 20 kVA UPS realizations based on different design processes are compared in terms of losses and volumes. One of the design process employs a multi-objective optimization approach and Pareto analysis for selecting optimal design parameters. The other design process employs traditional industrial design approach. Employing the multi-objective optimization approach...
It is generally understood that manufacturers should exploit the innovation generated by users (UI: user innovation) to develop new products. UI has been observed in real world markets and the typical features of innovating users have been identified. The roles of the various communities in consumer product markets are explored as an important factor in UI. While communities foster the generation...
Patients who have difficulty moving their muscles freely require support for various situations that occur in everyday life. A controllable robot arm without using muscles may make the patient's quality of life improve. By using a brain-computer interface (BCI), control of the robot arm is possible by thought alone. Therefore, we have constructed several robot arms with an ultrasonic range finder...
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