• 한국의류학회지
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• 제46권5호
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• pp.789-804
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• 2022

Retro fashion is emerging among young people as an approach to discovering a new meaning in Korea's historical culture. Research on Korea's unique retro fashion culture is required because there is no research on retro fashion culture based on Korea's historical background. Therefore, this study examined how retro fashion culture has progressed based on Korea's historical background from a nostalgic perspective. All retro-related newspaper articles from 1950 to 2020 were collected, and content analysis was conducted for each semantic unit. The results revealed that personal nostalgia is based on personal experience and is extending to younger generations. In terms of nostalgia in interpersonal relationships, the younger generation reinterpreted the fashion culture of the older generation after the 2010s. In terms of vicarious nostalgia, a retro culture reminiscent of the 1990s with a background in economic development and consumption culture appeared after 2012. The youth culture and university culture of the 1970s and 1980s were reinterpreted as street fashion. Since the late 2010s, the younger generation has been exhibiting cultural nostalgia, believing that the historical Korean culture is not outdated but has a unique heritage formed during the modernization process. Symbolic nostalgia appeared in Korean fashion culture during modernization.

• 한류연구
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• 제2권1호
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• pp.17-25
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• 2023

This research aims to provide a comprehensive evaluation of the history of private education in Korea. By delving into the historical aspects of private education, this study aims to uncover key developments, trends, and transformations that have shaped the private education landscape in Korea. By understanding the historical trajectory of private education in Korea, educational practitioners can gain a deeper understanding of the challenges, opportunities, and potential areas for improvement within the private education industry. The literature analysis has shown that there are four significant historical events for developing private education industry in South Korea. First, Japanese colonial period and its Impact on private education in Korea background and context. Second, education reforms in the 1960s and the rise of hagwons in Korea background and context. Third, the role and impact of private education on the Korean education system. Fourth, Education reforms in the 21st Century and the regulation of private education background and context. In sum, this research provides a comprehensive evaluation of the history of private education in Korea, examining four key historical events and their impact on the private education landscape. The findings reveal important insights into private education's development, role, and impact in Korea.

• 한국지하수토양환경학회지:지하수토양환경
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• 제14권3호
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• pp.32-39
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• 2009

우리나라 토양 중 중금속 자연배경농도를 비교 평가함으로써 토양오염기준 설정을 위한 과학적 근거를 마련하고자 전국 주요 지질단위인 대동층군, 백악기화강암, 옥천층군, 조선누층군, 평안층군, 경상누층군, 쥬라기화강암, 화산암, 변성암등 산림지역 총 92개 지점에 대한 표토를 0.1N 염산 가용성 시험방법 및 왕수 시험방법으로 분석한 결과, 왕수시험방법에 의한 자연함유량 평균값(mg/kg)은 Cd 0.287, Cu 15.26, Pb 18.43, Cr 25.36, Zn 54.27, Ni 17.68, As 6.83으로 조사되었으며, 가용성 시험결과 평균농도(mg/kg)는 Cd 0.040, Cu 0.48, Pb 3.06, Cr 0.09, Zn 1.54, Ni 0.27, As 0.089로 나타났다. 이들 시료의 가용성 평균 농도는 왕수 시험방법의 평균농도에 비하여 각각 Cd 13.9%, Cu 3.1%, Pb 16.6%, Cr 0.4%, Zn 2.8%, Ni 1.5%, As 1.3% 수준으로 낮게 평가되었다. 또한 가용성 시험방법과 왕수 시험방법에 의한 중금속 측정값 간의 상관계수는 0.24~0.88의 범위로 나타났으며 Cd > Pb > Cu > Ni > Cr > Zn $\approx$ As의 순으로 감소하였다.

• Bulletin of the Korean Chemical Society
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• 제23권2호
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• pp.301-308
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• 2002

As part of perfluorocarbon (PFC) tracer release experiment conducted at the western coastal area of Korea in February 2001, the background concentration level of perfluorocarbons (PFCs) in the atmosphere was determined by gas chromatography with electron capture detector. Prior to the PFC tracer release experiment in the field, air samples were collected using active samplers and the background concentrations of PFCs were determined. The concentrations of perfluoromethylcyclohexane ($C_7F_{14}$, PMCH) in the western coastal area of Korea were in the range of 5.8-8.7 fL/L. The mean concentration of the PMCH in the region exhibited no significant spatial and temporal variations. This concentration level is somewhat higher and has larger standard deviation than those of studies previously conducted in USA and Europe on the background concentration levels of PFCs. Because the background concentration of PMCH in Korea is still very low and consistent temporally and spatially, the PMCH tracer can be used suitably for the studies of long-range atmospheric transport.

• 대한인간공학회지
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• 제36권3호
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• pp.213-219
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• 2017

Objective: The present study identified the minimum legible text size by an experiment for eight combinations of background and text colors, which will be used in designing visual information on group-view display (GVD). Background: Information on minimum legible text size is needed to design the visual information presented on GVD in a radioactive waste control room. Method: The experiment was conducted for 22 male participants (age: mean = 37, SD = 6.7; visual acuity: over 0.8) who were recruited by considering demographic characteristics of current control room operators. Eight combinations of background and text colors were considered and the minimum legible text size was determined for each combination by applying the method of limits, one of psychophysical methods. Results: The minimum legible text size was significantly different in accordance with the combination of background and text colors. Statistical analysis results showed that luminance contrast and color contrast between background and text influenced the minimum legible text sizes. Conclusion: This study concluded that the minimum legible text size is 8 minute of arc for various combinations of background and text colors. Application: The minimum legible text size identified in the present study can be utilized in designing visual information on GVD at the main control room in a radioactive waste facility.

• 한국과학교육학회지
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• 제24권5호
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• pp.833-842
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• 2004

본 연구의 목적은 유아의 과학에 대한 태도가 어떠하며, 유아의 성과 교사의 학력, 경력, 과학적 소양에 따라 차이가 있는지를 알아보기 위한 것이었다. 유치원 교사 90명을 대상으로 기초 배경과 과학적 소양에 대한 질문지 조사를 실시하였고, 유아 180명에게는 "유아의 과학에 대한 태도"문항을 토대로 면접을 실시하였다. 연구 결과, 유아의 과학에 대한 태도는 긍정적이었으며, 교사의 학력에 따라 차이가 있는 것으로 나타났다. 유아의 과학에 대한 선호는 교사의 과학적 소양에 따라 차이가 있는 것으로 나타났다. 이는 유치원 교사들이 양성 교육과 현직 교육을 통해 지속적으로 과학적 소양을 함양하는 것이 중요하다는 것을 시사한다.

• 공연문화연구
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• 제36호
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• pp.169-184
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• 2018

이 글은 신재효 판소리 사설 <심청가>에 나타난 시간적, 공간적 배경의 중의적(重義的)인 의미를 밝힌다. <심청가>의 시간적 배경은 이야기가 자유롭게 이루어지는 허구적 낭만적 시간이며, 동시에 조선후기 서민의 고단한 삶의 사실적 역사적 시간이다. 아울러, 공간적 배경은 중국의 옛 도읍지와 조선의 서울을 중첩 연상시키면서 중의적인 의미를 갖는다. 특히, 공간적 배경인 남경은 가련한 백성의 딸인 심청이 '만백성의 어머니'가 되는 가상가공의 허구적 낭만적 공간이며, 조선의 '황성-경성-서울'을 연상시킨다. 바야흐로, 조선의 서울에서 만백성의 행복이 이루어지길 소망하는 판소리 향유층의 바람이 담긴다. 신재효 판소리 사설 <심청가>는 조선후기 사회상과 풍속을 바탕으로 하고, 중국의 시간과 공간을 차용하여 작품을 구체화한다. 이것은 중국을 배경으로 하면서 조선의 시간과 공간을 환기시키고 연상시킨다. 무엇보다, <심청가>에서 공간적 배경인 남경은 조선후기 신재효를 비롯한 만백성의 자유로운 상상(想像)의 나래를 펴기에 중의적인 최적지라고 할 만하다.

• 제어로봇시스템학회논문지
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• 제19권5호
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• pp.398-409
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• 2013

This paper provides an overview of distance-based formation control. Firstly, in this paper, we introduce preliminary background materials that are used in defining the distance-based formation control. Then, based on the preliminary background, we briefly review main results developed thus far in this field. Lastly, we provide some issues that need to be studied further in future works.

• 한국소음진동공학회:학술대회논문집
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• 한국소음진동공학회 2008년도 춘계학술대회논문집
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• pp.9-12
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• 2008

There are many place of business in complex building, and recently claims of noise have increased in those buildings. It is most desirable reducing the noise problems to establish the noise criteria considering the noise source and the receiving place of business, which are derived from the dose-response of noise and results of the actual condition. The degree of response to the transmission noise could be changed with background noise level in the receiving stores. In this research, the subjective evaluation for three different background level in receiving place of business or rooms were investigated from subjective tests. The eight business sound source including aerobic music were used for the test.

• 한국산업정보학회논문지
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• 제13권4호
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• pp.56-63
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• 2008

얼굴 인식률 향상을 위해서는 전처리 단계에서의 영상 보정이 매우 중요하며, 특히 배경 잡음 제거는 얼굴 인식의 정확도에 중대한 영향을 미친다. 본 논문에서는 얼굴 인식률 향상을 위하여 전처리 단계에서 타원 모델을 이용하여 배경 영역을 제거하는 방법을 제안하였다. 사람의 얼굴 윤곽은 타원의 형태를 나타내기 때문에 얼굴 영상에서 타원 모델을 이용할 경우 얼굴 영역을 용이하게 검출할 수 있다. ETRI, ORL, 및 XM2VTS 얼굴 데이터베이스에 대한 실험 분석을 통하여 제안된 방법이 얼굴 인식 성능을 뚜렷하게 개선시켰음을 알 수 있었다.