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An Efficient Interruption Handling for 3D Games based on Android Platform

  • Viet, Doan Quang;Choi, Chang Yeol
    • International Journal of Contents
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    • v.8 no.4
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    • pp.42-49
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    • 2012
  • Recently the unprecedented progress of Android platform and Google Play has brought more opportunities for individual mobile game developers. When playing an Android 3D game, users can accidentally hit HOME Key or BACK Key or receive an incoming message. Subsequently, another screen will appear on top and make the game application lose focus, or the operating system pause that game. These interruption events may also lead to the loss of game information or the game runs out of user control if that game cannot catch interruption events itself and resume at the exact time. As same as other mobile platforms, Android platform also provides Activity Lifecycle methods to help the game application control interruption problems. However, these methods are not adequate to solve all the interruption events. By implementing ANDCube game, we examine most of the possible interruption cases and propose some solutions to help Android game developers avoid some common interruption cases. Concurrently, we show the ways how a game application can catch all unavoidable interruption events and effectively resume from interruption to obtain a high quality game.

Effect of Co-culture with Spermatozoa on the Resumption of Meiosis in Porcine Germinal Vesicle Oocytes Arrested with Meiotic Inhibitors

  • Kim, Byung-Ki
    • Reproductive and Developmental Biology
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    • v.29 no.4
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    • pp.223-227
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    • 2005
  • In vitro maturation of porcine immature cumulus-enclosed oocytes can be enhanced by co-incubation with spermatozoa even before fertilization. The aim of this study was to determine whether the addition of spermatozoa into the culture medium can stimulate the meiosis resumption of porcine cumulus-enclosed oocytes arrested at germinal vesicle (GV). Cumulus-enclosed oocytes (CEOs) were collected from follicles of 3 to 5mm diameter. Porcine CEOs were cultured in tissue culture medium containing various meiosis inhibitors and spermatozoa. Oocytes were examined for evidence of GV and GV breakdown after 24 h culture. After 24 h culture $43.8\%$ of oocytes cultured in only TCM 199 remained at GV stage whereas $56.2\%$ of oocytes were able to resume meiosis. When porcine CEOs were cultured in the medium with meiosis inhibitor such as, dibutyryl cAMP (dbcAMP) and forskolin (Fo), more than $90\%$ of oocytes were not able to resume meiosis. However, co-culture of porcine CEOs with spermatozoa was able to overcome the inhibitory effect of dbcAMP and Fo. Irrespective of the presence of 3-isobutyl-1-methylxanthine (IBMX), no difference was observed in the proportion of oocyte reached germinal vesicle breakdown (GVBD). The present study suggests that dbcAMP and Fo prevent the spontaneous maturation of competent oocyte in culture after isolation from follicles and that mammalian spermatozoa contain a substance(s) that improves meiosis resumption in vitro of porcine cumulus-enclosed oocytes.

Hibernation of Mammalian Cells at a Living Body Temperature

  • Hyon, Suong-Hyu;Kim, Do-Hoon
    • Biotechnology and Bioprocess Engineering:BBE
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    • v.6 no.4
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    • pp.289-292
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    • 2001
  • The present study revealed that polyphenol induces the hibernation of mammalian cells at the living body temperature. It was found that polyphenol is a cytostatic sleeping agent for mam-malian cells, where almost all cells resume proliferation after the hibernation period and cell death seldom occurs. By changing the concentration for polyphenol, various mammalian cells can be stored under different conditions, such as temporary sleep, and hibernation condi-tions.

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AN M/G/1 QUEUEING SYSTEM WITH MULTIPLE PRIORITY CLASSES

  • Han, Dong-Hwan
    • Journal of applied mathematics & informatics
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    • v.1 no.1
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    • pp.55-74
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    • 1994
  • We consider an M/G/1 queueing system with multiple priority classes of jobs. Considered preemptive rules are the preemptive-resume preemptive-repeat-identical, and preemptive-repeat-different policies. These three preemptive rules will be analyzed in parallel. The key idea of analysis is based on the consideration of a busy period as composite of delay cycle. As results we present the exact Laplace-Stieltjecs(L.S) transforms of residence time and completion time in the system.

A Study in the Directory Service Protocol in Distributed Environment (분산환경에서의 디렉토리 서비스 프로토콜에 관한 연구)

  • Lee, Jie-Young
    • The Journal of Information Technology
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    • v.9 no.3
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    • pp.59-66
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    • 2006
  • This paper proposes directory service protocol in distributed environment. By adding an condition retrieval function to Modify operation, the ExtModify operation improves the inconvenience to transfer a search operation and resume a Modify operation. The method suggests how to correct all the entries which require retrieval condition out of other entries designated by LDAPND.

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A Study on the Safety Inspection of the T-Beam Bridges (철근콘크리트 T형교의 안전진단에 관한 연구)

  • 채원규
    • Journal of the Korean Society of Safety
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    • v.10 no.1
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    • pp.50-55
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    • 1995
  • In this thesis, the safety inspection of the T-beam bridges were studied. The stage of the safety inspection were classified according to the importance of the inspection contents the preliminary inspection, the resume inspection, the detail inspection, and the close inspection. By stages, the Inspection contents, the inspection items, and the inspection methods were systematized. And the method of the repair or the reinforcement for the demaged bridges were also suggested.

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Politicized Risk and Failed Management of Technological Risk (정치화된 위험과 기술위험 관리의 실패: 미국산 쇠고기 수입과 광우병 논란)

  • Jung, Byung-Kul;Seong, Jie-Un
    • Journal of Science and Technology Studies
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    • v.8 no.2
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    • pp.27-56
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    • 2008
  • The controversy over the mad cow disease in Korea can be understood as a demonstration of complex and skeptical public sentiments toward the government that were all mixed with expectations, demands, hope and mistrust. The governments decision to resume the import of American beef turned such expectations into mistrust and public hope into nationwide resistance expressed in the form of candlelight vigils. This phenomenon can not be simply explained as a fear of risks. Concerns over mad cow disease were a trigger but they were riot sufficient cause to explain the nationwide controversy involving all the Koreans. It was mad cow disease that triggered a sharp confrontation between the government trying to stick to its decision to resume the import of American beef and the opponents who were not convinced by the government. In fact, this is not simply an issue of a disease. It is rather a complex issue of the acceptance of risks, the consistency of the government policy, trust in the government, and the public consensus on the government policy. In this context, this study analyzes the controversy over the mad cow disease from the perspectives of risk management, public policy-making, and public trust and social consensus-building.

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Study on the Foundation of a Carpentry Studio Run by a Female Owner (여성이 운영하는 목공방 창업에 관한 연구)

  • Kim, Young Joo
    • Journal of the Korea Furniture Society
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    • v.27 no.3
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    • pp.203-210
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    • 2016
  • According to the research on the gender ratio of furniture design courses at universities, female students account for 70 to 80 percent of the total enrollments. Likewise, other design courses reveal the similar trend. Even though female students want to build up their career in the furniture design or related fields, the figure is not so high. There is a trend that many female designers tend to take time off or quite their jobs after their marriage for that reasons such as pregnancy, childbirth, the upbringing of children and so on. The study also shows that women with higher education feel more difficult to resume their careers after being left from economic activity for a long period; this results in the lower figure of women involved in the specialized jobs than men. In particular, the furniture companies avoid hiring old female designers because they believe that younger candidates are more capable of learning the latest style; therefore, it has become harder for the job seeks to win the competition in the job market. The data released by Statistics Korea in 2015 shows that there was the higher increase in female employees than the figure of the male workers, compared to the previous year. As it can be seen, female workforce was emerged as the new growth power; Nevertheless, the working environment and conditions haven't meet the demands from women despite the gradual rise of female job seekers inspired by their wish to achieve self-realization, gender equality. To conclude, this is to suggest the plans for the foundation and management of small-scale carpentry studios so that women, who have a degree in furniture design studies and wish to resume their careers after their long breaks, start their own carpentry studios so as to reach self-realization and feel satisfied with their work while earning their livelihoods.

Power Management for Mobile Terminal (모바일 단말에서의 전원관리 기술)

  • Lee, Junghee;Park, Hojun;Kim, Jaemyoung
    • IEMEK Journal of Embedded Systems and Applications
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    • v.2 no.3
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    • pp.194-201
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    • 2007
  • As the performance of the mobile terminal becomes higher, the power consumption gradually increases. As a result, power management is one of the most important issues in mobile system with battery. In this paper, we describe an DPM(Dynamic Power Management) using DVS(Dynamic Power Management) as a power management mechanism in Qplus operating system. DVS generally considers a specific device such as CPU, whereas we consider the relations with other hardware components as well as each component. We specially focus on the relation between CPU, memory and LCD devices. We also designs a kernel monitor to collect information to decide the policy for power management. According to the experimental results, the proposed method enables to save much power.

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Descriptive Study on Sexuality for Women with Gynecological Cancer (부인암 여성의 성생활에 대한 서술적 연구)

  • Nho, Ju-Hee;Park, Young-Sook
    • Women's Health Nursing
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    • v.18 no.1
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    • pp.17-27
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    • 2012
  • Purpose: This study aimed to identify sexuality for women with gynecological cancer. Methods: A total of seven women with gynecological cancer agreed to participate in this study. The data were collected utilizing in-depth semi-structured interviews style. A descriptive study design was used in this study. The interviews were analyzed using inductive content analysis methodology. Results: Three themes identified were: 'women with gynecological cancer who give up their sexual life due to misunderstanding and fear', 'women with gynecological cancer who control their body and mind for recovery', 'women with gynecological cancer resume their sexual life with their partner's will'. Conclusion: To improve sexual health and quality of life for women with gynecological cancer, we need to develop programs related to sexual health. An adjusted sexual health program will contribute to increased sexual health and quality of life for women with gynecological cancer.