• Journal of Korean Society of Environmental Engineers
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• v.28 no.7
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• pp.731-737
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• 2006

Four well-characterized soils collected from A- and B-horizon in the Department of Energy Oak Ridge Reservation in USA, mainly distributed with Inceptisol(Inc) and Ultisol(Ult) soils, were used in this work. The bioaccessibility of arsenic as well as oxidation phenomena of As(III) was investigated with soils spiked with As(III) and As(V) using a physiologically based extraction test(PBET) at pH 1.5 and 1:100 soil to solution ratio. Also effect of aging time on the bioaccessibility of arsenic was investigated over the 6 months. After 48 hours(fresh) contacting As(V) solution with soils, all soils rapidly and strongly sequestrated As(V), especially Ult-B. However, little sequestration was observed after 3-months. When As(III) was spiked on the same soils, a great portion of As(III) was oxidized to As(V) after 48 hrs, especially Inc-A and Ult-A soils, which is strongly related with Mn content in soils. By using As(III)-spiked soils, much reduced bioaccessibility as total arsenic was observed from Inc-B and Ult-B soils over the 6 months aging time compared to that from Inc-A and Ult-A soils. This result can be explained by the continuous sequestration of As(V), produced from oxidation of As(III), onto Inc-B and Ult-B soils having much amount of iron. The trend of As(III) sequestration over six months aging time was quite similar with that of As(V) sequestration.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.15 no.2
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• pp.914-922
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• 2014

This study was to investigate sociocultural attitude toward appearance, body image, and self-esteem predict the appearance management in middle and high school girls. A descriptive compare design was used with self-report questionnaires, which were completed by 384 subjects. Data was analyzed with t-test and regression. There were statistically significant differences in sociocultural attitude toward appearance (internalization, awareness), body image (appearance evaluation, appearance orientation, body area satisfaction), and appearance management (weight management, cloth management, face management) between the two groups. Regression analysis revealed sociocultural attitude toward appearance (internalization, awareness) and appearance orientation of body image were predictors of appearance management in middle school girls. The significant predictors of appearance management for high school girls were body image (appearance evaluation, appearance orientation, body area satisfaction). The study gives new suggestions that there is necessary different methods to educate and council for appearance management in middle and high school girls.

• Proceedings of the Korean Fiber Society Conference
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• 2001.10a
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• pp.47-50
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• 2001

고분자의 생분해는 미생물에 의하여 분비되는 효소를 촉매로 하여 산화, 가수분해 등의 반응이 일어나 진행된다. 고분자의 생분해성에 영향을 미치는 요소는 다양하여 고분자 자체의 분자구조뿐만 아니라 분해되는 환경조건과도 관련되어있다. 특히 고분자를 분해시키는 미생물과 분해에 직접적인 촉매로 작용하는 효소는 대부분 수분이 있는 조건에서 활성이 크기 때문에, 수분의 접근성과 침투정도는 생분해에 중요한 요인으로 작용한다. (중략)

• 한국벤처창업학회:학술대회논문집
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• 2018.11a
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• pp.35-37
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• 2018

본 연구는 민간 직업훈련 기관의 훈련생 모집에 영향을 미치는 요인을 분석하기 위해 훈련 등록한 대상들에게 설문조사를 실시하였다. 이를 위해 접근성 요인(교통편, 주차장 등), 시설 요인(교실 크기, 시설 환경 등), 상담자 역량 요인(응대 태도, 서비스 지식, 상담 Skill 등), 비용적 요인(훈련비, 훈련비 지원 유무 등), 교육 요인(교육 편성 내용, 강사진 등)으로 나누고 각 요인들이 훈련 등록에 어떠한 영향을 미치는지 분석 하였다.

• Journal of The Korean Association of Information Education
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• v.24 no.5
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• pp.463-471
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• 2020

Humanity faces the fourth industrial revolution, a time of technological revolution by the collaboration of various industries including the fields of artificial intelligence(AI) and big data. Many countries are focused on fostering AI talent to prevail in the coming technological revolution. While Korea also provides some strategies to enhance the cultivation of AI talent, it is still difficult for Korean undergraduate students to get involved in AI studies. Through on the implementation of 'Big data analysis based AI education', which allows an easier approach to AI education, this paper examined the changes in the attitudes of undergraduate students regarding general AI education. 'Big data analysis based AI education' was provided at undergraduate level for 5.5 weeks (15 hours). The attitudes of undergraduate students were analyzed by pre-postmortem. The results showed there was a significant improvement in confidence and self-directed in regard to receiving AI education. With these results, further active research to develop basic AI education that also increases confidence and self-initiative can be expected.

• Journal of the Korea Society of Computer and Information
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• v.27 no.11
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• pp.89-98
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• 2022

Using the extended technology acceptance model, this study aims to quantitatively analyze the user experience with the . In the case of Perceived Usefulness and Perceived Ease of Use, only limited detailed factors have significant impacts on the degree of satisfaction. The degree of satisfaction has positive correlations with the degree of immersion and the variables of Behavioral Intention to Use Metaverse. Although sophisticatedly remediates using digital technology to provide visitors with the sameness of exhibits, exhibition circulation and interaction method, the metaverse exhibition does not acquire the same value of the exhibition. In conclusion, cannot replace , however, it has the potential to offer learning usefulness to visitors with low accessibility to the art museum.

• Proceedings of the Korea Contents Association Conference
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• 2009.05a
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• pp.1097-1101
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• 2009

College's existence is threatened through the decreasing of students, even though it made big growing. In these situations, College makes on-line contents for promotion and announce information of college. However, previous research has limit about statistic theory with influence of application and registration with an applicant for admission to a college. In this paper, we analyze difference of application and registration in period of application, and find the difference recognize rate with students by period of application.

• Proceedings of the Korea Society for Simulation Conference
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• 1997.04a
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• pp.13-17
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• 1997

생산시스템 관련 연구에서 시뮬레이션은 중요한 도구로 폭넓게 활용되어 왔다. 생 산시스템을 분석하기 위한 시뮬레이션 모델은 그 기본구조가 정형화되어 있기 때문에 생산 시스템 시뮬레이터 개발에 관련된 사례연구가 적지 않다. 최근 들어서는 객체지향 접근방법 을 이용한 시뮬레이터가 상용화되는 추세이다. 본 연구에서는 객체지향 생산시스템 시뮬레 이터를 설계 및 구현하는데 있어서 객체지향 접근 방법의 잇점인 재사용성 및 확장성을 제 고 시킬수 있는 방안으로 Pattern을 이용한 설계기법 및 S/W Metrics를 이용한 설계평가 방법에 대해서 논의한다. 또한 현재 개발중인 생산 시스템 시뮬레이터 KU-FASIM에 이런 개념들이 실제 적용된 결과에 대해서 검토해 본다.

• Journal of the Korean Orthopaedic Association
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• v.54 no.5
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• pp.377-383
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• 2019

The biomechanics study of the hip is aims to understand and explore the dynamic principles of weight transfer through the hip joint. This basic science knowledge can be applied in a variety of areas, including degenerative joint diseases and hip replacement arthroplasty. In particular, understanding of the biomechanics of the hip has led to the development of materials, design and fixation of implants, and it can be applied in various areas, such as the selection of surgical methods and the location of the implant. Moreover, it is essential to have good knowledge of the biomechanics of the hip to achieve better clinical results for patients. Therefore, this paper introduces the basic knowledge and biomechanical characteristics of a normal hip and hip replacement arthroplasty, which are needed to approach the biomechanics of the hip.

• The Journal of the Korea Contents Association
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• v.13 no.5
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• pp.311-321
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• 2013

This study is a qualitative research whose purpose was to analyze the experiences of training stress that trainees of mental health social worker were undergoing from the perspective of those trainees, ultimately providing them with a more effective way of clinical education. For this purpose, the study made a survey of 9 trainees who were getting through the training course of mental health social work provided by a relevant training agency. Data collection were focus group-based and conducted 1 to 2 times over about 2 hours. This researcher analyzed statements from the participants and, out of them, 85 were determined as meaningful. From these meaningful responses, the researcher constructed 32 meanings. And then, those meanings were classified according to their similarities and grouped into 9 themes, and finally categorized into 4 themes. More specifically, what were stressful to the subjects that they were experiencing in the training course of mental health social work could be largely categorized into 4 themes, or 'lots of trouble in interpersonal relations', 'too much tightness in training schedule', 'little consideration of them by the training agency', and 'poor organization of the training course'. Considering these findings, this study provided practical implications for the training of mental health social work.