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이효진 한국복식학회 2004 服飾 Vol.54 No.6
The purpose of this study was to analyze the characteristics of 1980s' oversize fashion. Especially in 1980s, there were some characteristics that the leading style did not exist as the other decades, but instead of that, various styles coexisted and the existing traditional rule of fashion was destroyed. On the basis of such background, the moulding nature resident in oversize fashion is considered and analyzed as follows. Firstly, 1980s is the time of power suit booming and through such clothes, women disclosed their consciousness that they want to be equal with men. Secondly, In contrast to that a shoulder pad was the trademark of 1980s' clothes, the social aspect that Japanese designers' clothes of layered look and them of grunge look coexisted is directly expressed through these oversize clothes. Thirdly, In 1980s of the time that people's interest to health risen, sports wear was developed to be everyday wear and furthermore, it had variously influences on high fashion so that developed to big look. Fourthly, when it comes to 1980s' clothes, the atmosphere of society denying apparent boundary between sex at that time was resident in androgynous look and the folklore image of sexless style by their appearance in oversize fashion. What is this situation that the style of the past time is popular in the 21st century even such intentional spirit of challenge already passed? Maybe for women, the one way of expressing themselves is through their clothes, and for such reason, it can be considered that the social meaning resident in 1980s' clothes is re-examined in the present age.
리스크 평가를 위한 사회재난 데이터의 전처리 방법 연구 : 가축질병을 중심으로
이효진,윤홍식,한학 한국재난정보학회 2021 한국재난정보학회 학술대회 Vol.2021 No.11
사회재난의 위험성이 증가함에 따라 리스크 평가에 대한 중요성이 증가하면서 이에 대한 연구가 활발하게 수행되고 있다. 리스크 평가를 바탕으로 위험지도를 제작하여 이를 바탕으로 정책 결정과 시민들에게 공표하는 등 재난안전 측면에 있어 위험 지도는 매우 중요한 연구이다. 그러나 위험지도를 제작하는 과정에서 데이터의 속성마다 적절한 표준화가 이루어지지 않을 경 우 최종 위험지도의 결과를 신뢰하기 어렵다. 사회재난의 경우 지역 특성에 따라서 일부 지역에만 발생하거나 계절적 요인으로 인해 특정 기간에 집중되어있다. 따라서 특정 재난은 이상치 속성을 보이는 데이터 분포를 가지고 있어 위험지도를 작성하기 전 전처리 과정이 필요하다. 본 논문에서는 이상치 속성을 갖는 재난을 대상으로 새로운 표준화 기법을 제안하였으며 이상치 탐색을 위해 통계적 기법을 적용하였다. 또한 이상치 탐색 후 제안한 방법을 통해 표준화를 위한 범위설정을 재검토하였다. 이 상치를 고려하기 전과 후의 결과를 비교하였으며 이를 바탕으로 데이터 전처리의 필요성을 제시하고 가축질병을 중심으로 적 용한 결과를 나타내었다.
이효진,최준규,이재구 대한설비공학회 2003 설비공학 논문집 Vol.15 No.5
The present study has been conducted for manufacturing MPCM (microencapsulated phase change material) slurry with in-situ polymerization and proving their applicabilities for tooling system. The surface of MPCM is composed of melamine, while tetradecane, paraffin wax, is centered in the MPCM. The produced capsules are observed by the optical microscope and SEM for superficial shapes. Their thermal properties are measured by DSC. Their size distributions are observed by FA particle analyzer. A narrow size distribution from 1 to 10 ${\mu}{\textrm}{m}$ with 5 ${\mu}{\textrm}{m}$ of average diameter was observed. Melting temperature was 6.7$^{\circ}C$. The durability of MPCM was tested with various types of pump such as centrifugal, peristaltic, and mono pumps. During 10000 cycles the fraction of broken capsules was smaller than 6% for the centrifugal and peristaltic pumps, while bigger value of 8% for the mono pump. A cooling system, which adopted MPCM slurry as a media for transporting cold thermal energy, was designed to investigate the performance of the MPCM. The discharging times of 10 and 20 wt% MPCM slurry were lasted up to 105 and 285 minutes longer, respectively, than the water cooling system.