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Toshihiro Tabata,Hideo Taniguchi 보안공학연구지원센터 2008 International Journal of Hybrid Information Techno Vol.1 No.1
Processes can be executed concurrently in operating systems; they can be created dynamically and then terminate, i.e. process creation and termination are required for program execution. However the costs involved in process creation and termination make this procedure expensive. This procedure expensive, thus degrading the performance of program execution. To solve this problem, a fast process creation and termination mechanism is proposed. This mechanism is implemented by recycling process resources. In order to improve the efficiency of recycling, the management of preserved process resources for recycling is an important factor. In this paper, we propose an improved resource management method for recycling process resources and an adaptive control mechanism. In the method, only one process resource with a program image is preserved for each program that occurs with high frequency of program execution. The proposed method can reduce the amount of memory consumption for preserved process resources in a concurrent execution environment. We also describe the implementation of the proposed method on the Tender operating system and report the results of our experiments.
Risk Factors for Prolonged Hospital Stay after Endoscopy
Toshihiro Nishizawa,Shuntaro Yoshida,Osamu Toyoshima,Tatsuya Matsuno,Masataka Irokawa,Toru Arano,Hirotoshi Ebinuma,Hidekazu Suzuki,Takanori Kanai,Kazuhiko Koike 대한소화기내시경학회 2021 Clinical Endoscopy Vol.54 No.6
Background/Aims: The recovery room used after endoscopy has limited capacity, and an efficient flow of the endoscopy unitis desired. We investigated the duration of hospital stay after endoscopy and the risk factors for prolonged hospital stay amongoutpatients. Methods: We retrospectively studied consecutive patients who underwent esophagogastroduodenoscopy or colonoscopy at theToyoshima Endoscopy Clinic. We collected data on age, sex, body weight, midazolam and pethidine dosage, respiratory depressionduring endoscopy, and duration of hospital stay after endoscopy (scope out to check out). Risk factors for prolonged hospital stay (>100minutes) were identified using multiple logistic regression analysis. Results: We enrolled 3,898 patients, including 3,517 (90.2%) patients tested under sedation and 381 (9.8%) patients tested withoutsedation. Overall, 442 (11.3%) patients had prolonged stay (>100 min). The mean time difference between sedation group and nonsedationgroup was 44.2 minutes for esophagogastroduodenoscopy and 39.1 minutes for colonoscopy. Age (odds ratio [OR], 1.025;95% confidence interval [CI], 1.014−1.036), female sex (OR, 1.657; 95% CI, 1.220−2.249), and midazolam dose (OR, 1.019; 95% CI,1.013−1.026) were independently associated with prolonged hospital stay after esophagogastroduodenoscopy, with similar results forcolonoscopy. Conclusions: Old age, female sex, and midazolam dose were independent risk factors for prolonged hospital stay after endoscopy.
Japan's Fiscal Policy: Sustainability of Government Deficits
Toshihiro Ihori 서울대학교 경제연구소 2004 Seoul journal of economics Vol.17 No.1
The purpose of this paper is to analysis the Japanese fiscal policy particularly from the viewpoint of the sustainability problem of government bond policy and the fiscal reconstruction movement in Japan. This paper first summarizes Japan's fiscal policies in the 1990s. Then, we investigate the macroeconomic impact of government debt and fiscal difficulties of heavy dependency of debt finance in the public sector. We find that fiscal sustainability may become a serious issue. We also explore political constraints to the fiscal reconstruction movements. In order to realize successful fiscal reconstruction, the central government needs to restrain lobbying activities of local political groups.
Desideratives and Person: Constructing a Semantic Map
Toshihiro Sugawara 세종대학교 언어연구소 2005 Journal of Universal Language Vol.6 No.2
This paper examines the implications of grammatical person for desiderative constructions from a cross-linguistic perspective. It is widely known that some grammatical systems in a language, such as pronoun systems, number distinction, and case marking systems, are sensitive to person diferences. In this study, in addition to such grammatical systems, it was found that gramatical person also affects the form of desiderative constructions in several languages. In languages such as Japanese, Korean, Hua, and Cocopa, the form of desiderative construction with third person subject is somewhat diferently constructed from that with first/second person subject. Also, in Samoan, the first and second person singular clitics are treated diferently from the other person/ number clitics in desiderative constructions. In addition, it was found in Tagalog that the third person pronoun shows a diferent pattern regarding the use I would like to thank Terry Janzen for his invaluable comments, advice, and suggestions throughout this study. I would also like to thank Christoph Wolfart and Lorna MacDonald for their invaluable comments. 118 Desideratives and Person: Constructing a Semantic Map of enclitic sana from lexical nouns and other person pronouns. In order to capture the phenomena found in these languages, then, a semantic map model is adopted in this study, and a conceptual space is proposed for desideratives within which the distinctions found in this study are represented.
Toshihiro Maki,Hiroumi Horimoto,Takashi Ishihara,Kazuya Kofuji 제어·로봇·시스템학회 2020 International Journal of Control, Automation, and Vol.18 No.3
This paper proposes a method for autonomous underwater vehicles to chase sea turtles without attaching any tag to them, toward efficient and long-term observation of marine life. The method uses a multibeam imaging sonar as the main sensor to detect sea turtles. The method utilizes convolutional neural network (CNN) for detecting a sea turtle in sonar imagery. Surge and yaw movements of the vehicle are controlled to maintain the relative distance and direction to the detected target. The proposed method was implemented in the AUV HATTORI. The AUV succeeded in tracking a sea turtle in natural condition for 270 seconds in shallow sea.