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The Significance of 'LF-component and HF-component which Resulted from Frequency Analysis of Heart Rate' and 'the Coefficient of the Heart Rate Variability'-Evaluation of Autonomic Nerve Function by Acceleration Plethysmography

Autor: Ai Katayama, Mikio Takada, Haruko Takada

Publikováno v: Health evaluation and promotion. 32:504-512

加速度脈波測定システム (APG) を用いて, 1) 自律神経機能評価の異なった指標である心拍変動係数 (CVaa%) と心拍変動周波数解析 (MEM法) の低周波領域と高周波領域のパワー比 (LF/HF) の関係性

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::774854b9bcfa2a3d6b3462a6491eeb20
https://doi.org/10.7143/jhep.32.504

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Titania NOx sensors for exhaust monitoring

Autor: Kazuko Satake, Takashi Takeuchi, Hideki Ohkoshi, Ai Katayama, Takeshi Nakahara

Publikováno v: Sensors and Actuators B: Chemical. 20:111-117

Oxide semiconductors have been examined to develop NOx sensors for exhaust monitoring. Titania doped with trivalent elements, such as Al3+, Sc3+, Ga3+ or In3+, has a good sensitivity and selectivity to NO between 450 and 550 °C, and shows rapid resp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a063be9244c64c77753b20d4eeb92e07
https://doi.org/10.1016/0925-4005(93)01191-6

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