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著者
磯田 尚男(皓)
出版者
尾道大学
雑誌
尾道大学芸術文化学部紀要 (ISSN:13471910)
巻号頁・発行日
vol.1, 2001
著者
都筑 和泰 森山 亮 石本 祐樹 時松 宏治 萩原 直人
出版者
一般社団法人日本エネルギー学会
雑誌
日本エネルギー学会誌 (ISSN:09168753)
巻号頁・発行日
vol.91, no.2, pp.104-110, 2012-02-20

Mid- and long- term energy balances of Japan were investigated after the Great East Japan Earthquake on the 11th of March, considering fossil fuel imports, environmental constraints, and economy as well as risks revealed by Fukushima nuclear accidents and disasters. It is concluded that i) great uncertainties on technology and economy are apprehensive about renewable energy oriented energy balance, ii) nuclear power is still an indispensable technological option, and iii) fossil fuels are necessary to meet the balance without both renewables as well as nuclear. The "energy best mix" strategy, which had long been the core philosophy in the Japanese energy policy, should not be amended with the severe nuclear accidents after the Earthquake.
著者
林 真司
出版者
龍谷大学
雑誌
龍谷大学経済学論集 (ISSN:09183418)
巻号頁・発行日
vol.49, no.1, pp.265-283, 2009-09
著者
石塚 正也 高田 哲司
雑誌
情報処理学会論文誌 (ISSN:18827764)
巻号頁・発行日
vol.56, no.9, pp.1877-1888, 2015-09-15

携帯端末で個人認証を行う利用者にとって覗き見攻撃は現実的な脅威の1つである.この脅威に対する既存の対策方法は,入力操作や画面を隠すというほかにいくつかの提案がなされているが,それらの提案手法には入力手法の複雑化や学習負荷,秘密情報の増加にともなう記憶負担の増大,専用デバイスが別途必要などの問題がある.これに対して本論文では,現時点において入手可能なスマートフォンで暗証番号認証を行うことを想定し,スマートフォンの振動機能を応用することで覗き見攻撃への安全性を向上させうる暗証番号入力手法CCC(Circle Chameleon Cursor)を考案した.振動機能の利用により,CCCは視覚的情報による秘密情報の特定を困難にしつつ,認証操作時における認証端末と利用者間での秘密情報共有を可能にする.またその共有秘密を既存のダイヤルによる暗証番号入力操作に応用することにより,最小限の学習負担と記憶負担増加量ならびに別途専用デバイスは不要という利点を持つ入力手法となっている.このアイデアを基にAndroidスマートフォンアプリとしてプロトタイプを実装し,被験者による攻撃実験を実施した.その結果,3つの利用状況において認証操作を録画した動画記録から入力値を正しく特定できた被験者は0人という結果を得た.
著者
下川 寛一 伊藤 仁
出版者
日本肩関節学会
雑誌
肩関節 (ISSN:09104461)
巻号頁・発行日
vol.30, no.2, pp.281-284, 2006-06-30 (Released:2012-11-20)
参考文献数
15
被引用文献数
1 14

The purpose of this study was to clarify the clinical outcomes and problems of arthroscopic rotator cuff repair (ARCR) in patients 65-years of age and older. We evaluated the clinical results and repair integrity using MRI in 42 patients with ARCR (18 men and 24 women, mean age at the time of surgery 70.3 years old). Preoperatively and at the time of follow-up (at a mean of 19.1 months), the patients were assessed with Japanese Orthopaedic Association (JOA) shoulder scores. Subjective symptoms and JOA shoulder scores of all patients improved after surgery (p<0.0001). The average postoperative JOA shoulder score at 12 months after surgery improved to 96.5 (vs.51.5 preoperatively) points. An average postoperative abduction range improved to 170°(preoperatively 94° ), and external rotation improved to 61° (preoperatively 20° ). Postoperative complications including CRPS, shoulder stiffness and anchor failure were not seen in this series. No differences were observed in clinical outcomes compared with 24 shoulders in patients 65-years of age and younger. MRI examinations 6months postoperatively showed high intensity in the repaired cuff in 9 of 18 shoulders that had had large and massive tears, whereas small and medium tears presented good repair integrity in 88% (21 of 24 shoulders).
著者
平野 真子 野村 一俊 橋本 伸朗 福元 哲也 浦田 伸一
出版者
西日本整形・災害外科学会
雑誌
整形外科と災害外科 (ISSN:00371033)
巻号頁・発行日
vol.48, no.1, pp.158-161, 1999-03-25 (Released:2010-02-25)
参考文献数
7
被引用文献数
2 4

Most reports on the results of treatment of tears of the rotator cuff have included surgical results, and only a few results of long-term therapy in non-surgically treated patients have been reported. We followed up non-surgically treated patients whose course had been monitored, and performed questionnaire surveys and direct examinations about 2, 6 and 19 years after the start of follow-up.The subjects were 14 conservatively treated patients diagnosed with the complete tear of the rotator cuff by shoulder arthorgraphy in our department during the 3-year period between 1986 and 1989 and whose course had been known at the time of the survey in 1990 and 1994 and 1998. They could be followed up by questionnaire and direct examination.Their mean age at the time of the initial examination was 61.6 years, and the mean follow-up period was 10.2 years. Patients with only slight pain after initial conservative treatment and who did not want to undergo surgery, were treated conservatively.The evaluation was based on the scoring of JOA. All but 2 had favorable long term courses.