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Time-Frequency and Nonlinear Analysis of Tidal Data Observed on the Kuroshio Path

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International Journal of Modern Nonlinear Theory and Application 2016年第4期5卷 147-159页

作者： kenta kirimoto Department of Creative Engineering National Institute of Technology Kitakyushu College Fukuoka Japan

The tidal data of Kushimoto and Uragami on flow path of Kuroshio from 2004 to 2005 are investigated and discussed by time-frequency methods and nonlinear methods in this paper. These analyzing methods based on mathematical science show us new findings about the tidal motion observed on Kuroshio flow path. On the time-frequency analysis, 12 hours component and 24 hours component swing during the period of 350 hours and 320 hours respectively. However, any remarkable differences or changes depending on Kuroshio flow path weren’t seen on the result of time-frequency analysis. On the nonlinear analysis, a periodical structure has seen on the mutual information of tidal difference data, while Kuroshio flow is stable. In addition, the mutual information showed a characteristic of randomness and irregularity, while Kuroshio flow is unstable. The important results brought us a new finding such as classification of tidal motion regardless of the flow path of Kuroshio.

关键词： Wavelet Transform Lorenz’s Plot Mutual Information Time Development Periodicity Irregularity Classification

Schottkey Barrier Measurement of Nanocrystalline Lu<sub>3</sub>N@C<sub>80</sub>/Au Contact

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Materials Sciences and Applications 2013年第12期4卷 808-815页

作者： Yong Sun Yusuke Hattori Masamichi Sakaino Fumio Morimoto kenta kirimoto Department of Applied Science for Integrated System Engineering Kyushu Institute of Technology Fukuoka Japan Department of Electrical and electronic Engineering Kitakyushu National College of Technology Fukuoka Japan Research Institute Kyushu Kyoritsu University Fukuoka Japan

Electrical and structural properties of nanocrystalline solids of C80 fullerene encapsulated with a Lu3N cluster, Lu3N@C80, have been studied by measuring x-ray photoemission spectra, x-ray diffraction, and current-voltage characteristics of the Lu3N@C80/Au Schottky contact in the temperature range of 300 - 500 K. The nanocrystalline solid sample of Lu3N@C80 fullerene consists of grains characterized with an fcc structure and those grains become larger in size after pressing the powder sample at 1.25 GPa. The current-voltage characteristics measured at various temperatures showed that there are no significant dependences on both the Schottky barrier and the carrier mobility on electric field. The Schottky barrier of the Lu3N@C80/Au contact is determined to be 0.71 ± 0.04 eV.

关键词： Lu3N@C80 Nanocrystalline Schottky Barrier Mobility

LiB Electrode Ageing Observed from PVdF Binder

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Materials Sciences and Applications 2014年第11期5卷 767-782页

作者： Masamichi Sakaino Syogo Hatake Yong Sun Fumio Morimoto kenta kirimoto Department of Applied Science for Integrated System Engineering Kyushu Institute of Technology Kitakyushu Japan Department of Vehicle Production Engineering Nissan Motor Co. Ltd. Atsugi-City Japan Research Institute Kyushu Kyoritsu University Kitakyushu Japan Department of Electrical and Electronic Engineering Kitakyushu National College of Technology Kitakyushu Japan

Ageing behaviors of the positive electrode of lithium ion battery are characterized by measuring mechanical properties of the electrode reeds, such as resonance frequency and internal friction, as a function of temperature. In the measurements of the electrode reeds with a sandwich structure of active material film and current collector of Al foil, two thermally-activated relaxation processes can be observed on the polyvinylidene difluoride binder in the active material film. Namely, a surface-related relaxation at ~150 K and a relaxation corresponding to the β-phase transition at ~240 K in the polymer binder can be observed at high signal/noise ratio. The resonance frequency decreases and the internal friction increases after charge/discharge cycling. The changes in activation energies of the relaxation processes also indicate that the measurement of mechanical properties of the positive electrode is an effective method for characterizing ageing behaviors of the positive electrode as a whole.

关键词： LiB Positive Electrode Mechanical Properties Internal Friction Resonance Frequency

在自然与历史之间重获生机意大利Villa K别墅

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室内设计与装修 2023年第3期 134-139页

作者： [意大利]Alvisi kirimoto coco(编译) Alvisi Krimotoi

对于这个乡间别墅的修复和扩建项目,设计师和业主有着清晰的想法:“用自然元素回应项目的起源,新的可渗透的空间像一颗隐藏的珍珠从山上冒出来,在房子的每个角落都可以欣赏到景观,感受大自然肆无忌惮的能量。”项目位于意大利北部童话... 详细信息

对于这个乡间别墅的修复和扩建项目,设计师和业主有着清晰的想法:“用自然元素回应项目的起源,新的可渗透的空间像一颗隐藏的珍珠从山上冒出来,在房子的每个角落都可以欣赏到景观,感受大自然肆无忌惮的能量。”项目位于意大利北部童话般的村庄中,这里有成排的葡萄藤,古老的乡间别墅被改造成一个风景优美的容器——Villa K。事实上,这里的每一个建筑元素都遵循着大自然的气息和韵律,例如引导我们走向农舍主体的砾石路和Luserna鹅卵石走道,走道的尽头就是设有独立入口的房间。这并非偶然,因为建筑师介入的支点是木质体量,半透明且轻盈的结构不仅将建筑完美融入自然环境中,还有效地拓展了主楼的居住面积。

关键词：建筑元素扩建项目自然元素意大利北部风景优美居住面积葡萄藤自然环境

Magnetic field strength properties in bone marrow during pulsed electromagnetic stimulation

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Journal of Biomedical Science and Engineering 2010年第12期3卷 1156-1160页

作者： Hiroyuki Tamaki Kengo Yotani Atsumu Yuki Hikari kirimoto Kazuhiro Sugawara Hideaki Onishi 不详

We clarified the characteristics of pulsed electromagnetic field (PEMF) strength in marrow cavity with bone marrow in long bones based on actual measurements taken during pulsed magnetic stimulation (PMS). Measurements were made under 810 different conditions of stimulation intensity, distance, and position. Significant and strong linear correlations were observed between PEMF strength and stimulation intensity. PEMF strength in marrow cavity during PMS showed an exponential decay depending on coil-sensor distance, with a breaking point at approximately 30 mm. PEMF strength distributions in bone showed geometric differences between 3 types. These findings suggest that PEMF strength in bone depends on stimulation intensity, distance and horizontal position. Our actual measured data could be useful in determining stimulation programs and estimating the in vivo efficacy of PEMF in marrow cavity for research and clinical use.

关键词： Magnetic Stimulation Bone Tissue Focality Geometry Intensity

Establishment and Effects of Ginger and Kikyoto of a Haloperidol-Induced Dysphagia Model in Guinea Pigs

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Pharmacology & Pharmacy 2016年第2期7卷 97-105页

作者： Takahiro Mizoguchi Mitsue Ishisaka Yui Kobatake Hiroaki Kamishina Yasuhiko Nishioka Tsukasa kirimoto Masamitsu Shimazawa Hideaki Hara Molecular Pharmacology Department of Biofunctional Evaluation Gifu Pharmaceutical University Gifu Japan Department of Veterinary Medicine Faculty of Applied Biological Sciences Gifu University Gifu Japan Taiho Pharmaceutical Co. Ltd. Tokushima Japan

Dysphagia induces aspiration and causes aspiration pneumonia. There is no treatment for dysphagia fundamentally. Haloperidol reportedly induces dysphagia. In the present study, we established a haloperidol-induced dysphagia model in guinea pigs, and evaluated the effects of ginger, kikyoto, and a mixture of ginger and kikyoto on swallowing. Swallowing ability was evaluated using behavioral tests, computed tomography (CT), and videofluoroscopic examination of swallowing. To investigate the effect of ginger and kikyoto on swallowing, ginger, kikyoto, or a mixture of ginger and kikyoto was administered orally to guinea pigs with haloperidol-induced dysphagia. Effects of these compounds were evaluated with behavioral tests. Chronic administration of haloperidol reduced the number of swallows, as evaluated by the behavioral test and videofluoroscopic examination of swallowing. In our model, these compounds improved swallowing dysfunction. Our results suggest that this model might be useful in revealing the pathogenesis of dysphagia and evaluating compounds that might improve swallowing.

关键词： Dysphagia Guinea Pig Videofluoroscopic Examination of Swallowing Haloperidol Ginger

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World Journal of Neuroscience 2013年第3期3卷 142-146页

作者： Kengo Yotani Hiroyuki Tamaki Hiroki Nakamoto Atsumu Yuki Hikari kirimoto Koji Kitada Futoshi Ogita Shiro Mori Ishikawa National College of Technology Ishikawa Japan National Center for Geriatrics and Gerontology Obu Japan National Institute of Fitness and Sports in Kanoya Kagoshima Japan Niigata University of Health and Welfare Niigata Japan

The objective of the present study was to assess the relationship of response time and peak latency of P300 with a simple-reaction task. Seven male subjects who were experienced players in decision-making sports were included. Two main findings were noted. First, the P300 latencies of Fz and Pz were correlated with visuo-motor related time. Second, in terms of latencies of visual evoked potentials, the correlations were observed only between Oz-P2 latency and visuo-motor related time. These results suggest that the length of visuo-motor related time is related to the processing involved in the higher order brain site involving specific processing in the visual cortex.

关键词： Simple-Reaction Task P300 Visual Evoked Potentials Athletes