• 한국조경학회지
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• 제35권2호통권121호
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• pp.71-80
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• 2007

Korea began preserving and managing natural monuments in 1933 under Japanese Colonization, but North Korea and South Korea were forced to establish separate natural monument management policies because of the division after the Korean Independence. The purpose of this study is to compare and analyze the natural monument management policies of both south and North Korea between 1933 and 2005 to introduce new policies for Korea unification. The following are the results: First, South Korea manages every type of cultural asset, including natural monuments, through the 'Cultural Heritage Protection Act,' whereas North Korea managing its cultural assets through the 'Cultural Relics Protection Act' and the 'Landmark/Natural Monument Protection Act.' Second, South Korea preserves and utilizes natural monuments for the purpose of promoting the cultural experience of Korean people and contributing to the development of world culture, whereas North Korea uses its natural monuments to promote the superiority of socialism and protect its ruling power. Third, North and South Korea have similar classification systems for animals, plants, and geology, but North Korea classifies geography as one of its natural monuments. Unlike South Korea, North Korea also designates imported animals and plants not only for the preservation and research of genetic resources, but also for their value as economic resources. Fourth, North Korea authorizes the Cabinet to designate and cancel natural monuments, whereas South Korea designates and cancels natural monuments by the Cultural Heritage Administration through the deliberation of a Cultural Heritage Committee. Both Koreas' central administrations establish policies and their local governments carry them out, while their management systems are quite different. In conclusion, it is important to establish specified laws for the conservation of natural heritages and clarified standards of designation in order to improve the preservation and management system and to sustain the diversity of natural preservation. Moreover it is also necessary to discover resources in various fields, designate protection zones, and preserve imported trees. By doing so, we shall improve South Korea's natural monument management policies and ultimately enhance national homogeneity in preparation for the reunification of the Koreas in the future.

• 한국의류산업학회지
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• 제19권3호
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• pp.296-301
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• 2017

This study researched the status and prospect of a natural dye program in Gyeongsang region that focused on private centers with sufficient infrastructure and abundant human resources were available for natural dyes. The entire site for metropolitan cities that have difficulty in securing the land are limited (as well as smaller) because they are closer to the city; in addition, they do not own the drying house and the agricultural land for natural dyes. It is understood that the one-time program of all centers researched help to promote and maintain the centers rather than generating profit; in addition, it is shown that Jun - Aug (summer) is preferred over Dec - Feb (winter). This program uses natural indigo; consequently, natural dye program for hobby and education is operated when it is required because the number of participants are low in most cases, Persimmon Juice is used for the dyeing raw materials. Programs in operation are often outsourced with other institutes registered under private certification system; therefore, many cases of starting business are found in the institutes operating programs directly after obtaining the certification. Their plans do not allow for investment in facility such as enlargement of experience center and prospect of program; in addition, business value is generally bright for business strategies that include an exhibition shop for natural dye products and program development.

• 한국콘텐츠학회논문지
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• 제12권6호
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• pp.230-237
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• 2012

1950년대 이후 범죄에 대한 기존의 예방법에 대한 한계로 인해 기존의 범죄예방과 다른 관점을 가진, "환경설계를 통한 범죄예방활동(Crime Prevention Through Environmental Design)"에 관심을 가지기 시작했다. CPTED는 범죄자의 범죄 특성과 인간의 주변 환경과의 적절한 활용을 통해 범죄를 예방하는 방법이다. CPTED의 요소 일반적으로 자연적 감시, 자연적 접근통제, 영역성, 활동의 지원 등이 있다. 이 중 자연적 감시는 CPTED 기법의 요소로서 자연적인 감시활동이 범죄자의 행동을 감시하여 범죄를 예방한다는 것이다. 기존의 CPTED 연구와 달리 이 연구에서는 단독주택지역이라는 CPTED 특성을 바탕으로 확보된 자연적 감시에 의해 범죄 두려움에 영향을 주어 범죄 두려움 감소와 함께 범죄에 대한 피해 경험이 줄어들었다는 연구 결과를 얻을 수 있었다. 따라서 자연적 감시의 확보가 가능한 지역에서는 범죄에 대한 두려움이 감소하고, 실질적인 범죄가 줄어든다는 결과를 얻을 수 있었다.

• 한국가구학회지
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• 제29권1호
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• pp.24-30
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• 2018

George Nakashima (1905-1990) is a second-generation Japanese American who was one of the pioneers of the American Studio Furniture movement. Known for the use of natural timber shape of furniture design, Nakashima's furniture shows the aesthetic characteristics of Japan, which distinguishes it from the furniture of other American studio designers. But Nakashima has been regarded as simply a studio furniture designer, designing furniture that takes its natural form. Therefore, research is needed from a more diverse point of view, and the process of interpreting the cultural backgrounds of a designer becoming a design may be an important subject of study. Thus, this study attempts to interpret the hierarchy of design cultures belonging to a studio designer and to identify cultural characteristics that are not apparent. Therefore, through a process of studying from visible to invisible levels of cultural hierarchy, the study analyzed the aesthetic characteristics of the Nakashima's furniture, his personal experience of Japanese culture, and philosophical background.

• 한국방재학회:학술대회논문집
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• 한국방재학회 2007년도 정기총회 및 학술발표대회
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• pp.152-155
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• 2007

Efficiency and limitations of HAZUS-MH, a GIS based systematic and informative system developed by FEMA and NIBS for natural hazard loss estimations, are discussed by means of a pilot study in the Korean Peninsular. Gyeongsang-do has been selected for the test after careful reviews of previous studies including historical and modern seismicity in the peninsular. A ShakeMap for the selected scenario earthquake with magnitude 6.7 in Gyeongju area is prepared. Then, any losses due to the scenario event have been estimated using HAZUS. Results of the pilot test show that the study area may experience significant physical, economic and social damages. Detailed study in the future will provide efficient and crucial information to the decision makers and emergency agents to mitigate any disaster posed by natural hazards.

• 한국수학사학회지
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• 제18권2호
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• pp.31-42
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• 2005

르네상스 시대가 도래하자 고대 그리스와 로마 문화의 부흥으로 유클리드 기하학이 다시 연구되고 실험과 관찰의 정신이 대두되었다. 이는 곧 근대의 정신인 것이다. 본 논문에서는 17, 18세기에 지식인이 추구했던 가치가 운동, 속도, 빛이었으므로 수학에서 미분적분차이 발명되고, 미술에서는 빛의 화가, 순간의 화가를 탄생시킨 근대의 시대정신과 사회적인 배경을 주목한다.

• 한국소음진동공학회:학술대회논문집
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• 한국소음진동공학회 2005년도 춘계학술대회논문집
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• pp.921-924
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• 2005

Diesel generator sets with resilient mounts often experience resonances by major excitations which come from diesel engine and their foundation with rigid body modes. Because their natural frequency is determined by moment of inertia and stiffness of resilient mount vibration problems are resolved by changing location and stiffness of resilient mounts. But the calculated natural frequencies are inaccurate due to uncertainty of the inertia and mount stiffness. So this result can be useless on the design stage. In this paper, the stiffness of mount is evaluated on result from mount stiffness test in laboratory and generator set vibration test and a simple calculation method for moment of inertia is proposed. Based on these data, the procedure to select optimized mount stiffness and location on the design stage is set up.

• 제어로봇시스템학회논문지
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• 제10권11호
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• pp.1044-1051
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• 2004

This paper described a novel locomotion interface that can generate infinite floor for various surface, named as virtual walking machine. This interface allows users to participate in a life-like walking experience in virtual environments, which include various terrains such as plains, slopes and stair ground surfaces. The interface is composed of two three-DOF (X, Y, Yaw) planar devices and two four-DOF (Pitch, Roll, Z, and relative rotation) footpads. The planar devices are driven by AC servomotors for generating fast motions, while the footpad devices are driven by pneumatic actuators for continuous support of human weight. To simulate natural human walking, the locomotion interface design specification are acquired based on gait analysis and each mechanism is optimally designed and manufactured to satisfy the given requirements. The designed locomotion interface allows natural walking(step: 0.8m, height: 20cm, load capability: 100kg, slope:30deg) for various terrains.

• 한국소음진동공학회:학술대회논문집
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• 한국소음진동공학회 2012년도 춘계학술대회 논문집
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• pp.157-162
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• 2012

A structural modification of baseframe is an effective method to avoid resonance in marine diesel generator (D/G) set which consists of diesel engine, generator and baseframe. However the reinforcement with thick plates or additional parts to increase the natural frequency can be less effective because of increased weight. Especially fine control of target mode based on the experience is difficult because the weight and interference of system have to be considered. In this paper, the design optimization of baseframe was performed to reduce the resonant vibration using a gradient descent method. The design parameters such as thickness, shape and location of baseframe parts are optimized to increase the torsional natural frequency of D/G set. From the actual test, the new designed baseframe reduced the vibration level in resonance by 55% without any increase of weight and interference. interference.

• 부모자녀건강학회지
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• 제14권2호
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• pp.62-68
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• 2011

Purpose: This study was performed to investigate contraception knowledge and sexual behavior in female high school students. Methods: The participants were 382 female high school students from one academic and one vocational school. Data was collected from October to November, 2008 using self report questionnaire. Results: Knowledge on contraception was 5.52 in maximum 14 point scale. Major information source for sexual matters was peers such as friends or sisters. Perception on sexual behavior was different according to major information source. Fifty five percents of students thought that kiss can be permitted, and regarded sexual behavior as natural development. 3.4% of participants had experience of sexual intercourse. Conclusion: It is indicated that perception on sexual behavior can be shaped according to correct information and positive attitude on natural sexual development by health profession. Also, education on contraception would be included in sex education to reduce teenage pregnancy.