Zobrazeno 1 - 10
of 631
pro vyhledávání: '"Kenji Uchino"'
Autor:
Takeshi Imai, Kensuke Shinohara, Kenji Uchino, Hirohisa Okuma, Futaba Maki, Kiyoshi Hiruma, Yasushi Ariizumi, Yoshihisa Yamano
Publikováno v:
BMC Neurology, Vol 22, Iss 1, Pp 1-5 (2022)
Abstract Background As a debilitating syndrome, paraneoplastic cerebellar degeneration (PCD) remains challenging to treat. Further, anti-Yo antibody (directed against human cerebellar degeneration-related protein 2) detection in patients with PCD is
Externí odkaz:
https://doaj.org/article/8952fda05cc04d4e9cd5832e3fa39add
Publikováno v:
Actuators, Vol 12, Iss 5, p 213 (2023)
Nowadays, heat dissipation in electronic devices is one of the serious issues to be resolved in energy and environmental terms. Piezoelectric materials are being utilized in many electronic devices, yet the roadblock toward further miniaturization of
Externí odkaz:
https://doaj.org/article/191b212c481343c6aa3947f1a0bbcefa
Electromechanical Equivalent Circuit Model of a Piezoelectric Disk Considering Three Internal Losses
Publikováno v:
IEEE Access, Vol 8, Pp 181848-181854 (2020)
Heat generation by internal loss factors of piezoelectrics is one of the critical issues for high power density piezoelectric applications, such as ultrasonic motors, piezoelectric actuators and transducers. There are three types of internal losses i
Externí odkaz:
https://doaj.org/article/c2e9f149bdd64058b4dda591fa25216f
Publikováno v:
Actuators, Vol 10, Iss 12, p 312 (2021)
In the last decade, an enormous amount of attention has been paid to piezoelectric harvesters due to their flexibility in design and the increasing need for small-scale energy generation. As a result, various energy review papers have been presented
Externí odkaz:
https://doaj.org/article/dcbb6a971597444da6fb55b35ec45524
Autor:
Kenji Uchino
Publikováno v:
Actuators, Vol 9, Iss 4, p 93 (2020)
Physical properties of lead-zirconate-titanate (PZT) ceramics change according to the initial electric poling process and electrical boundary conditions. This paper reports the electrothermal, piezothermal, and piezoelectric coupling phenomena in fer
Externí odkaz:
https://doaj.org/article/aff8cbffeb3a40b597955c74c71e2b5e
Publikováno v:
PLoS ONE, Vol 12, Iss 11, p e0187616 (2017)
Difficulty turning over in bed is a common night-time symptom in Parkinson's disease (PD). We aimed to quantitatively evaluate overnight turnover movements using a three-axis accelerometer and to investigate whether inability to turn in bed is relate
Externí odkaz:
https://doaj.org/article/1b136944f9744148a66e205f9d886a8f
Autor:
Kenji Uchino
Publikováno v:
Science and Technology of Advanced Materials, Vol 16, Iss 4 (2015)
This article reviews the history of piezoelectric perovskites and forecasts future development trends, including Uchino’s discoveries such as the Pb(Mg1/3Nb2/3)O3–PbTiO3 electrostrictor, Pb(Zn1/3Nb2/3)O3–PbTiO3 single crystal, (Pb, La)(Zr, Ti)O
Externí odkaz:
https://doaj.org/article/723cd1aeda6041fab0774388a5fa2449
Publikováno v:
PLoS ONE, Vol 10, Iss 7, p e0132900 (2015)
The first non-vitamin K antagonist oral anticoagulant (NOAC) introduced to the market in Japan was dabigatran in March 2011, and three more NOACs, rivaroxaban, apixaban, and edoxaban, have since become available. Randomized controlled trials of NOACs
Externí odkaz:
https://doaj.org/article/105534afa29e48208653220bf15dce19
Autor:
Kenji Uchino
Publikováno v:
Actuators, Vol 5, Iss 2, p 11 (2016)
Antiferroelectrics (AFE) can exhibit a “shape memory function controllable by electric field”, with huge isotropic volumetric expansion (0.26%) associated with the AFE to Ferroelectric (FE) phase transformation. Small inverse electric field appli
Externí odkaz:
https://doaj.org/article/78723ce1c5fb44d2a839c4b99005e6e2
Autor:
Kenji Uchino
This textbook “Applied Mathematics in Ferroelectricity and Piezoelectricity” was authored to provide the reader solid mathematical background for studying “ferroelectricity and piezoelectricity”, as a supplemental reference to my three course