• Proceedings of the Korean Nuclear Society Conference
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• 2005.10a
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• pp.1027-1028
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• 2005

• Journal of Korean Institute of Fire Science & Engineering
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• v.4 no.4
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• pp.19-23
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• 2008

• Proceedings of the Korean Radioactive Waste Society Conference
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• 2018.11a
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• pp.111-112
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• 2018

• Proceedings of the Korean Radioactive Waste Society Conference
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• 2017.05a
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• pp.49-50
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• 2017

• Journal of the Society of Disaster Information
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• v.19 no.2
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• pp.395-410
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• 2023

Purpose: The purpose of this study was to analyze the current state of drone terrorism response at such critical national facilities and derive improvements, especially to identify problems in laws and systems to effectively utilize the anti-drone system and present directions for improvement. Method: A qualitative research method was used for this study by analyzing a variety of issues not discussed in existing research papers and policy documents through in-depth interviews with subject matter experts. In-depth interviews were conducted based on 12 semi-structured interviews by selecting 16 experts in the field of anti-drone and terrorism in Korea. The interview contents were recorded with the prior consent of the study participants, transcribed back to the Korean file, and problems and improvement measures were derived through coding. For this, the threats and types were analyzed based on the cases of drone terrorism occurring abroad and measures to establish anti-drone system were researched from the perspective of laws and systems by evaluating the possibility of drone terrorism in the Republic of Korea. Result: As a result of the study, improvements to some of the problems that need to be preceded in order to effectively respond to drone terrorism at critical national facilities in the Republic of Korea, have been identified. First, terminologies related to critical national facilities and drone terrorism should be clearly defined and reflected in the Integrated Defense Act and the Terrorism Prevention Act. Second, the current concept of protection of critical national facilities should evolve from the current ground-oriented protection to a three-dimensional protection concept that considers air threats and the Integrated Defense Act should reflect a plan to effectively install the anti-drone system that can materialize the concept. Third, a special law against flying over critical national facilities should be enacted. To this end, legislation should be enacted to expand designated facilities subject to flight restrictions while minimizing the range of no fly zone, but the law should be revised so that the two wings of "drone industry development" and "protection of critical national facilities" can develop in a balanced manner. Fourth, illegal flight response system and related systems should be improved and reestablished. For example, it is necessary to prepare a unified manual for general matters, but thorough preparation should be made by customizing it according to the characteristics of each facility, expanding professional manpower, and enhancing response training. Conclusion: The focus of this study is to present directions for policy and technology development to establish an anti-drone system that can effectively respond to drone terrorism and illegal drones at critical national facilities going forward.

• Journal of The Korea Institute of Healthcare Architecture
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• v.10 no.2
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• pp.91-98
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• 2004

Low birth rate problem in Korea has been mainly derived from the increasing number of female employment and the change of consciousness of female. According to the recent report, some other causes of low birth rate are from the difficulty of using childcare facilities with quality services and the relative lack of quantities of the facilities. The basic principle of childcare includes protection, education, nutrition, safety, service to parents, and correlation with community. Childcare has been deemed to be the social system even to guarantee the parents' right of work. Even though a lot of progress has been made in childcare facilities by changes for a long period of time, the research on the actual condition shows that there are relatively little changes of the space organization of the childcare facilities reflecting characteristics of community and developmental characteristics of infants and children. Now a days it has been appeared as a social problem that childcare has to be needed as a part of systematic education program for such an important infant era.

• Journal of The Korean Society of Integrative Medicine
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• v.6 no.3
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• pp.73-81
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• 2018

Purpose : This study identified knowledge, attitudes and behavior for radiation safety management of dental hygiene student. And to provide basic data for the development of effective education program for safety management for radiation protection. Methods : A questionnaire survey of questionnaires was conducted on the second and third grade dental hygiene students at three - year college in 'A' area of Gyeongnam province. The questionnaire of 37 items was used to investigate knowledge and attitude about radiation protection. The collected data were analyzed using frequency analysis, mean, standard deviation, t-test, ANOVA and pearson's correlation Analysis using the SPSS 21.0 program. Result : Results obtained from this study are as follows. 1. Knowledge level of radiation safety management by general characteristics showed statistically significant difference. 2. Radiation safety education knowledge score was higher in the case of radiation safety education(t=1.660, p<.05). 3. The radiation safety management attitude score was a statistically significant difference between the groups according to 'achievement' (F=1.660, p<.001). In the case of 'radiation protection facilities', there was a statistically significant difference between groups according to the recognition of radiation protection facilities (F=6.001, p<.001). 4. As a result of investigating the relationship between radiation safety management knowledge and attitude, the higher the knowledge level of radiation safety management, the higher the attitude(p<.001). Conclusion : Therefore, radiation safety management education should be organized systematically and it is required to improve not only safety management knowledge, attitude level but also action level.

• Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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• v.22 no.2
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• pp.51-56
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• 2008

High quality power supplying of high voltage distribution lines electric railway system is the important function, high voltage distribution system is complicated witch is compose with distribution line, circuit break, protection facilities and so on. Among this components, role of substation is most important for elevation of reliability in electric power system. Therefore, the enhanced reliability considering the preventive inspection, repair work replacement is necessary. This paper proposes protection method in railway high voltage distribution lines. we model distribution system using PSCAD/EMTDC(Power System Computer Aided Design/Electro Magnetic Transients DC Analysis Program) and extract various fault data. In conclusion this methods can protection of ground fault.

• Fire Science and Engineering
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• v.23 no.4
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• pp.165-173
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• 2009

As the Performance Based Fire Protection Design is legislated, studies on a fire and evacuation are actively in progress. The Performance Based Fire Protection Design should be developed toward enlarging the Life safety. In addition, the Performance Based Fire Protection Design shall not merely review the aspects of fire fighting but it shall also include regulations pertaining to evacuation stipulated in laws and regulations for buildings. This study performed an evacuation time prediction based on OO Night Club, one of the multiplex use facilities located in Gwang-ju Metropolitan City in order to suggest as a referential data for the Performance Based Fire Protection Design implementation. To do this, I investigated domestic and foreign regulations and research papers related to evacuation and went to visit the actual site and collected materials. The collected data was then used as ones to input in Simulex, an evacuation program to measure evacuation time. The collected data was then used as data to input in Simulex, an evacuation program to measure evacuation time. Through this particular research and results, the study was able to suggest a few concerning areas.

• Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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• v.16 no.4
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• pp.8-14
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• 2002

A modern lightning protection system is required to eliminate the risks such as electrical shocks and damages of structures, electrical and electronic equipments due to lightning. However, the conventional lightning protection systems play and important role in protecting persons and structures only. Thus an effective lightning protection system is indispensable today in computer, information and communication facilities and etc. The mafor objective of this paper is to develop the technology to protect electronics and computerized facilities against lightning-caused overvoltages. The study is oriented on the control of the potential rise of down conductors with the type and installation method of down conductors. As a result, to reduce side flashes and hazards caused by the potential rise of down conductor due to lightning current, the coaxial cable with a low characteristic impedance and high insulation level is suitable for a down conductor. In particular it is extremely effective to bond down conductors to the steel supporter, metal raceways and steel frame of structures.