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전영준,최준우,윤성범,Jeon. Young-Joon,Choi. Jun-Woo,Yoon. Sung-Bum 한국방재학회 2008 한국방재학회 학술발표대회논문집 Vol.2008 No.1
In general, forecast tsunami heights announced for tsunami warning are computed by using a linear tsunami model with coarse grids which leads the underestimation of inundation area. Thus, an accurate tsunami inundation map corresponding to the forecast tsunami height is indispensible for an emergency evacuation plan. A practical way to construct a relatively accurate tsunami inundation map was proposed in this study for the quantitative forecast of inundation area. This procedure can be introduced as in the followings: The fault dislocations of potential tsunami sources generating a specific tsunami height near an interested area are found by using a linear tsunami model. Based on these fault dislocations, maximum inundation envelops of the interested area are computed and illustrated by using nonlinear inundation numerical model. In this study, the tsunami inundation map for Imwon area was constructed according to 11 potential tsunami sources, and the validity of this process was examined.
전영준 ( Jeon Young-joon ),김준표 ( Kim Jun-pyo ) 제주대학교 탐라문화연구원 2021 탐라문화 Vol.- No.67
이 논문은 제주 섬 사람들의 난민에 대한 인식을 확인하기 위하여 제주대학교 생명윤리위원회의 IRB 승인으로 2020년 11월에 진행한 설문조사 결과를 분석하였다. 설문조사의 모집단은 제주에 거주하는 만19세 이상 성인 남녀 540,903명이다. 99%의 신뢰도 수준에서 허용 표집오차 ± 5%p를 설정하여 읍·면·동 별·성별로 5세급간 연령대별로 비례층화 표집틀을 작성하고 읍·면·동지역을 방문하여 무작위 면접으로 설문조사한 표본사례들 중에서 최종 523 사례를 분석대상으로 선정하였다(99% 신뢰도 수준 ±5.638%p, 95% 신뢰도수준 ±4.283%p). 분석결과, 난민에 대한 제주도민의 기본 태도는 난민법을 존중하고 준수하면서 엄격한 심사를 통해 수용하자는 입장인 것으로 나타났다. 자신의 정치성향이 진보적이거나 경제 상황이 어렵다고 생각하는 계층이 난민 유입에 보다 호의적이고, 보수적이거나 경제 상황이 양호하다고 생각하는 계층은 난민 유입에 훨씬 민감하게 반응하고 적극적으로 반대하고 있었다. 선행연구의 전국조사와 비교하였을 때 시간의 흐름에 따라 난민에 대한 인식이 호의적으로 변화하고 있었으며, 직접 접촉함으로써 난민에 대한 인식이 무조건적인 반대보다 제도적·적극적인 찬성이 더 커진다는 점을 확인할 수 있었다. 전국조사에 비해 제주지역이 난민에 대해 보다 호의적인 차이에 대하여 제주의 쿰다문화에서 비롯된 것이라는 해석의 가능성을 제시하였다. This paper analyzes the results of a survey on the Jeju Islanders' perception of refugees conducted in November 2020 with the approval of the Jeju National University Institutional Review Board. The population of the survey was 540,903 men and women over the age of 19 living in Jeju. By setting an allowable sampling error of ±5%p at the 99% confidence level, a proportional stratified sampling frame was created for each 5 years age group by gender in each eup, myeon, dong area. And a random interview was conducted by visiting the eup, myeon, dong areas. The final 523 cases were selected for analysis (allowable sampling error of ±5.638%p at the 99% confidence level, ±4.283%p at 95%). As a result of the analysis, it was found that the basic attitude of Jeju residents toward refugees is to respect and comply with the refugee law and accept it through strict screening. The class who thought their political inclinations were progressive or their economic situation was difficult was more favorable to the influx of refugees, and the class who thought their political inclinations were conservative or their economic situation was good responded more sensitively and actively opposed the inflow of refugees. Compared with the nationwide survey of previous studies, it can be confirmed that the perception of refugees was changing favorably with the passage of time, and that the recognition of refugees through direct contact increases institutional and active support more than unconditional opposition. And also the possibility of interpretation was suggested that the Jeju islanders influenced by Cumda Culture of Jeju are more favorable to refugees than the general Korean.
차량 내 멀티미디어 네트워크 기반 오디오 인터페이스 개발에 관한 연구
전영준 ( Young-joon Jeon ),김태준 ( Tae-jun Kim ),유윤식 ( Yun-sik Yu ) 한국정보처리학회 2009 한국정보처리학회 학술대회논문집 Vol.16 No.2
본 논문에서는 차량 내의 네트워크 가운데에서 대용량의 멀티미디어 데이터를 전송할 수 있는 MOST(Media Oriented Systems Transport) 네트워크 기반의 오디오 인포테인먼트 인터페이스 개발에 관한 연구를 수행하였다. 구현한 오디오 인포테인먼트 인터페이스는 MOST 네트워크 인터페이스 컨트롤러로 OS81050A INIC 칩을 사용하였으며, EHC 부분은 ATmega128L 8bit 마이크로컨트롤러를 사용하였다. 오디오 동작과 관련된 기능 블록(FBlock) 및 애플리케이션 작성에는 NetServices API를 활용하였다. 구현된 인터페이스는 MOST 네트워크 분석 도구인 OptoLyzer G2를 이용하여 정확한 동작여부를 확인 하였다.
예경보와 방재시스템의 연계를 위한 지진해일 범람도의 실용적 작성
최준우(Choi, Jun-Woo),김경희(Kim, Kyung-Hee),전영준(Jeon, Young-Joon),윤성범(Yoon, Sung-Bum) 한국해안해양공학회 2008 한국해안해양공학회 논문집 Vol.20 No.2
일반적으로 지진해일 경보 발령 시 예상해일고를 산정하기 위해 큰 격자의 선형모형을 사용하게 되므로 범람역이 과소 산정된다. 그러므로 비상대피 계획을 위해 예보해일고에 상응하는 정도 높은 범람도를 필요로 한다. 본 연구에서는 범람역의 정량예보를 위해 상대적으로 정도 높은 지진해일 범람도를 작성하는 실용적인 방법을 제안하였다. 이 방법은 다음과 같다. 선형 지진해일 수치모형을 사용하여 대상지역 주변에 특정 지진해일고를 유발시키는 잠재 지진해일 발생원의 단층 변위를 산정한다. 이렇게 구해진 단층 변위에 대해 비선형 범람 수치모형을 이용하여 대상지역의 최대 침수포락선을 계산하고 범람도를 작성한다. 본 연구에서는 임원항을 대상지역으로 11개의 잠재 지진해일 발생원에 대해 예상범람도를 작성하여 제안된 기법의 타당성을 검토하였다. In general, forecast tsunami heights announced for tsunami warning are computed by using a linear tsunami model with coarse grids which leads the underestimation of inundation area. Thus, an accurate tsunami inundation map corresponding the forecast tsunami height is needed for an emergency evacuation plan. A practical way to construct a relatively accurate tsunami inundation map was proposed in this study for the quantitative forecast of inundation area. This procedure can be introduced as in the followings: The fault dislocations of potential tsunami sources generating a specific tsunami height near an interested area are found by using a linear tsunami model. Based on these fault dislocations, maximum inundation envelops of the interested area are computed and illustrated by using nonlinear inundation numerical model. In this study, the tsunami inundation map for Imwon area was constructed according to 11 potential tsunami sources, and the validity of this process was examined.
유가상승에 따른 철도 물류의 발전 방안에 대한 기초 연구
박은수(Park Eun Soo),전영준(Jun Young Joon),구자경(Koo Ja Kyung),이태식(Lee Tai Sik) 한국철도학회 2008 한국철도학회 학술발표대회논문집 Vol.- No.-
Present Prices have reduced to $100 per barrel, but international oil prices caused big damage to local logistics industry due to rise in International oil prices and ,in august 2008 oil prices reached up to 146 US. Depending on oil prices, the domestic logistic industry should develop a strategy by innovative management of purchase of supply for manufacturing industry and efficient supply and demand of resources which is believed to be more important. Accordingly, we want to analyze railroad logistics’ present condition and effect on railroad industry that can expect affirmative development by oil-price rise and by developing strategies for efficient railroad logistics.
알지네이트 스펀지 세포지지체에서 인체 지방조직 추출 줄기세포의 연골분화
최문섭 ( Moon Seop Choi ),전영준 ( Young Joon Jun ),조현미 ( Hyun Mi Cho ),오득영 ( Deuk Young Oh ),안상태 ( Sang Tae Ahn ),한동근 ( Dong Keun Han ),이종원 ( Jong Won Rhie ) 한국조직공학·재생의학회 2008 조직공학과 재생의학 Vol.5 No.4
Recently it has been proven that population of stem cells obtained from stromal vascular fraction of fat tissue have the multilineage potential which is a capability of differentiation into bone, cartilage, fat, and muscle. In addition, a surgeon can easily harvest human adipose tissue using by minimal invasive technique such as a liposuction. In this article, I hypothesized that human adipose tissue contains the stem cells and has an capability of chondrogenic differentiation in alginate sponge scaffolds. Alginate sponge scaffolds were made by lyophilizing of alginate throughout alginate gel state and human adipose tissue was obtained from a liposuction. In experimental group, human adipose-derived stem cells in alginate sponge scaffolds, were differentiated with chondrogenic medium consisted of transforming growth factor-β1 and dexamethasone. Control group was defined as a culture with complete medium. After differentiation at 1, 2, and 3 weeks, gene expression was examined by reverse transcriptase polymerase chain reaction(RT-PCR) for collagen type II and link. In addition, content of glycosaminoglycan and Alcian blue stain were carried out for confirming of chondrogenesis. RT-PCR results show gene encodings of collagen type II and link in experimental group. The content of glycosaminoglycan in experimental group was greater than that in control group. In Alcian blue stain, sulfated proteoglycan was stained with blue color in experimental group. Consequently it was proven that adipose-derived stem cells have a capability of chondrogenic differentiation in alginate sponge scaffolds. In a view point of cell therapy, tissue engineering of adipose-derived stem cells is able to apply for reconstruction of tissue defects, congenital, and esthetics.