To realize a stable and efficient wireless power transfer (WPT) system that can be used in any environment, it is necessary to inspect the influence of environmental interference along the power transmission path of the WPT system. In this paper, attempts have been made to reduce the influence of the medium with a dielectric and conductive loss on the WPT system using spiral resonators for resonator-coupled type wireless power transfer (RC-WPT) system. An important element of the RC-WPT system is the resonators because they improve resonant characteristics by changing the shape or combination of spiral resonators to confine the electric field that mainly causes electrical loss in the system as much as possible inside the resonator. We proposed a novel dual-spiral resonator as a candidate and compared the basic characteristics of the RC-WPT system with conventional single-spiral and dual-spiral resonators. The parametric values of the spiral resonators, such as the quality factors and the coupling coefficients between resonators with and without a lossy medium in the power transmission path, were examined. For the lossy mediums, pure water or tap water filled with acryl bases was used. The maximum transmission efficiency of the RC-WPT system was then observed by tuning the matching condition of the system. Following that, the transmission efficiency of the system with and without lossy medium was investigated. These inspections revealed that the performance of the RC-WPT system with the lossy medium using the modified shape spiral resonator, which is the dual-spiral resonator proposed in our laboratory, outperformed the system using the conventional single-spiral resonator.

This paper examines : (1) the medical governance of infectious diseases in Taiwan based on the experience of infectious diseases and the background of medical governance reform, (2) the role of big data and digital technology in infectious disease control, (3) medical strategy and non-pharmaceutical intervention, and (4) socio-political viewpoints regarding the COVID-19 pandemic in Taiwan. It will be possible to confirm that Taiwan's non-pharmaceutical intervention strategies, including mask wearing, AHH practices, quarantine / quarantine, travel restrictions and the implementation of social distancing, are increasing the effectiveness of preventive measures during the COVID-19 pandemic. In addition, the combination of extensive risk communication highlighting the importance of early border control, government leadership and preventive action has prevented Taiwan from locking down. These comprehensive preventive measures against COVID-19 in 2020 are more efficient and effective than those implemented during SARS in 2003, as well as immunoassay responses. In addition, democracy provided institutional support for vibrant civil society and synergies between state and civil society, strengthened the legitimacy of Taiwan's crisis governance, and enhanced voluntary compliance among citizens.

1990年代後半, 単独での経済発展の限界を認識したシンガポールは, リージョナライゼーションに乗り出した。そして自国をアジアのハブとすべく「世界をシンガポールへ, シンガポールを世界へ」を打ち出した。このアジアのハブ構想ではヒトの移動が不可欠な要素であった。そこで, 本論は, ヒトの移動の観点から, リージョナライゼーションの時代におけるシンガポールの国家ブランディング戦略及びその戦略のなかでの人材活用の方策を明らかにしようと試みた。観光政策と人材政策から分析をすすめた結果, ヒトが集まるアジアのハブという国家ブランドを確立しようとしていたこと, そしてアジアのハブ構想のなかで国内の労働力だけでなく観光客や国外とのネットワークをつなぐ存在としての移民を活用してきたことを明らかにした。