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ABSTRACT Piezocatalytic hydrogen evolution enables the conversion of mechanical energy into chemical fuels, but its efficiency is constrained by a trade‐off between piezoelectric polarization and electronic conductivity. Strong piezoelectric polarization is essential for sufficient driving force, yet highly polar materials typically suffer from poor ...
Chongyan Hao +13 more
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Effects of cleaning protocols on surface roughness and optical properties of thermoplastic orthodontic retainers. [PDF]
Huang X +6 more
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Deep Reinforcement Learning-Based Intelligent Water Level Control: From Simulation to Embedded Implementation. [PDF]
Cusihuallpa-Huamanttupa K +6 more
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Miniaturized dual-element transducer-based intravascular ultrasonic elastography: a preliminary <i>in vivo</i> study. [PDF]
Hong J +5 more
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Cerebellar pathology contributes to neurodevelopmental deficits in spinal muscular atrophy. [PDF]
Gerstner F +19 more
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Influence of repeated cycles of full-strength sodium hypochlorite activation on the mechanical behavior of root canal-treated teeth: a laboratory study. [PDF]
Ismail MHA, Bakry AM, Turky M.
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Compact Piezoelectric Ultrasonic Motors
Ferroelectrics, 1999This paper reviews recent developments of compact ultrasonic motors using piezoelectric resonant vibrations. Following the historical background, ultrasonic motors using the standing and travelling waves are introduced. Driving principles and motor characteristics are explained in comparison with the conventional electromagnetic motors.
Kenji Uchino, Burhanettin Koc
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