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Satellite Communication System for Multi-Point Data Gathering over Ultra-Wide Area
Tanaka, Hiroshi,Inoue, Satoshi,Tsuchida, Toshihiro,Kazama, Hiroshi 통신위성우주산업연구회 2004 Joint Conference on Satellite Communications Vol.2004 No.-
In this paper, we propose a stellite communications system for gathering data from a lot of observation points scattered over an ultra-wide area. The system configuration takes into account the requirements for a practical data gathering system. The main target of our system is reduced communication cost by using a narrow frequency band and the main feature os an economical data gathering using a group-modem composed of a multi-carrier multi-rate filter bank. We describe our system investigation for channel assignment methods, data gathering sequences, and channel interference suppression between narrow band carries.
Tanaka, Eiji,Yamano, Eizo,Inubushi, Toshihiro,Kuroda, Shingo The Korean Association Of Orthodontists 2012 대한치과교정학회지 Vol.42 No.3
This article reports the orthodontic treatment of a patient with skeletal mandibular retrusion and an anterior open bite due to temporomandibular joint osteoarthritis (TMJ-OA) using miniscrew anchorage. A 46-year-old woman had a Class II malocclusion with a retropositioned mandible. Her overjet and overbite were 7.0 mm and -1.6 mm, respectively. She had limited mouth opening, TMJ sounds, and pain. Condylar resorption was observed in both TMJs. Her TMJ pain was reduced by splint therapy, and then orthodontic treatment was initiated. Titanium miniscrews were placed at the posterior maxilla to intrude the molars. After 2 years and 7 months of orthodontic treatment, an acceptable occlusion was achieved without any recurrence of TMJ symptoms. The retropositioned mandible was considerably improved, and the lips showed less tension upon lip closure. The maxillary molars were intruded by 1.5 mm, and the mandible was subsequently rotated counterclockwise. Magnetic resonance imaging of both condyles after treatment showed avascular necrosis-like structures. During a 2-year retention period, an acceptable occlusion was maintained without recurrence of the open bite. In conclusion, correction of open bite and clockwise-rotated mandible through molar intrusion using titanium miniscrews is effective for the management of TMJ-OA with jaw deformity.
Eiji Tanaka,Eizo Yamano,Toshihiro Inubushi,Shingo Kuroda 대한치과교정학회 2012 대한치과교정학회지 Vol.42 No.3
This article reports the orthodontic treatment of a patient with skeletal mandibular retrusion and an anterior open bite due to temporomandibular joint osteoarthritis (TMJ-OA) using miniscrew anchorage. A 46-year-old woman had a Class II malocclusion with a retropositioned mandible. Her overjet and overbite were 7.0 mm and -1.6 mm, respectively. She had limited mouth opening, TMJ sounds, and pain. Condylar resorption was observed in both TMJs. Her TMJ pain was reduced by splint therapy, and then orthodontic treatment was initiated. Titanium miniscrews were placed at the posterior maxilla to intrude the molars. After 2 years and 7 months of orthodontic treatment, an acceptable occlusion was achieved without any recurrence of TMJ symptoms. The retropositioned andible was considerably improved, and the lips showed less tension upon lip losure. The maxillary molars were intruded by 1.5 mm, and the mandible was bsequently rotated counterclockwise. Magnetic resonance imaging of both ondyles after treatment showed avascular necrosis-like structures. During a -year retention period, an acceptable occlusion was maintained without recurrence of the open bite. In conclusion, correction of open bite and clockwiserotated mandible through molar intrusion using titanium miniscrews is eff ective for the management of TMJ-OA with jaw deformity. [Korean J Orthod 2012;42(3):144-154]
THERMOELECTRIC PROPERTIES OF OXIDE CERAMICS
Tsuchida, Kiyoshi,Tanaka, Yasunori,Ifuku, Toshihiro,Nakao, Yoshihiro,Matsuda, Takanori,Nagashima, Satoko,Maeda, Hideaki,Kato, Akio 한국화학공학회 1996 Korean Journal of Chemical Engineering Vol.13 No.5
Thermoelectric properties of several oxides were investigated. Al₂O₃-, TiO₂- or ZrO₂-doped ZnO showed large power factor over the wide temperature range. Fe₂O₂ showed large power factor by doping of TiO₂. BaO-doped RuO₂, BaRuO₃ and CaRuO₃ showed large power factor at high temperature. Improvement of electrical conductivity by doping was effective to increase power factor in these oxide materials.
Anti-tumor Immunity and Radioprotection Effect by Fuscoporia oblique
Yeunhwa Gu,Yuka Itokawa,Toshihiro Maenaka,Takenori Yamashita,Kenichiro Tanaka,Koru Tano,Hiroyo Kondo,Insuk Choi,Torao Ishida,Takashi Nakamura,Kiyoto Saito,Kaoru Terai,Hajime Monzen,Masami Oshima,Tetsu 한의병리학회 2005 대한동의병리학회 학술대회논문집 Vol.2005 No.8