여름철 한국 연안해수중의 영양염 함량

이광우,곽희상,이수형,이동수,Lee, Kwang Woo,Kwak, Hi-Sang,Lee, Soo Hyung,Lee, Dong Soo 한국해양학회 1978 韓國海洋學會誌 Vol.13 No.2

General water quality parameters were measured, as a base-line study, for possible water pollution problems in the coastal waters of some important harbors and near-sea industrial complexes all around coastal zones of Korea from June 1 to October 15, 1977. The areas surveyed were near Mugho-Samcheog, Ulsan, Jinhae-Masan, Yeosu-Gwangyang, Mogpo, Gunsan and Incheon. Among the surveyed coastal areas, the Ulsan and the Jinhae-Masan areas showed high levels of dissolved oxygen, pH, COD and nutrients. Particularly, the surface waters of the Ulsan inner bay represented COD 15.6mg/l and NO$\sub$2/-N 110$\mu\textrm{g}$/l. The surface layer of the Masan bay displayed pH 8.92 and NO$\sub$3/-N 372$\mu\textrm{g}$/l, while 309$\mu\textrm{g}$/l of PO$\sub$4/-P was recorded in the surface of the Haengam bay. In general it is shown that some coastal areas are presenting signs of pollution from man's activities.

여름철 한국 연안해수중의 중금속 함량

이광우,곽희상,이수형,이동수,Lee, Kwang Woo,Kwak, Hi-Sang,Lee, Soo Hyung,Lee, Dong Soo 한국해양학회 1979 韓國海洋學會誌 Vol.14 No.1

In order to investigate water quality of coastal waters, samples were collected from the six coastal areas of Korean peninsula during summer of 1977, and analyzed for Cd, Cu, Fe, Pb and Zn by atomic absorption spectrophotometry. The results showed no significant heavy metal pollution in most parts of the studied areas in comparison with results of other countries in literature. However, strong possibility of some specific heavy metal pollution is shown in the specific areas, such as Cu and Pb in the Sea off Cunsan, Pb in Kwangyang Bay and Cd and Pb in Ulsan Bay.

오디의 안토시아니딘에 구리를 이용한 착화합물 합성 및 상주실크에 천연염색

이광우(Kwang-Woo Lee) 한국산업융합학회 2010 한국산업융합학회 논문집 Vol.13 No.4

This study explores the solution of a variety of conditions of the natural dyeing with the Mulberry. To obtain this, the Cu complex compound was added into the extracts. The Mulberry extract was added the Copper acetate to obtain the Black sediment the metal complex compound of anthocyanidin. According to the result of using the complex compound of the solid material, the dyeing properties were excellent. The metal complex compound acted as a mordant, thus it reduced the process of mordanting in the natural dying.

H기업 PC기반이러닝과 모바일러닝에 따른 학습참여동기 및 학습전이 차이 분석

이광우 ( Kwang Woo Lee ) 고려대학교 HRD정책연구소 2019 휴먼웨어 연구 Vol.2 No.2

본 연구의 목적은 H기업 PC기반이러닝과 모바일러닝 학습량에 따른 각 환경별 학습참여동기 및 학습전이 차이를 분석하는 것이다. 이를 위해 응답자의 실제 학습량 데이터를 근거로 각 환경별 학습량 상위집단과 하위집단으로 구분하여 차이를 분석하였다. 결과는 다음과 같다. 첫째, H기업 PC기반이러닝과 모바일러닝의 학습량에 따른 상위집단과 하위집단간의 학습참여동기와 학습전이는 같다. 둘째, H기업에서 PC기반이러닝이 학습참여동기와 학습전이에 더 효과적으로 작용한다. 이는 학습참여동기와 학습전이가 통계적으로는 같지만 그럼에도 불구하고 산술적으로는 PC기반이러닝에서의 학습참여동기와 학습전이가 높았다. 즉 PC기반 학습량이 많은 직원이 학습에 대한 동기와 열망이 높고 학습한 내용을 직무에 적용하고 유지하는 정도가 높다는 것이다. 이러한 결과는 H기업에서 PC기반이러닝을 더욱 활성화하고 효과적으로 운영해야할 필요성을 시사한다. The purpose of this study is to analyze differences in learning participation motivation and learning transfer of each environment according to H company's PC based e-Learning and mobile learning amounts. To do this, we analyzed differences by dividing them into upper and lower groups of learning amounts for based on real learning amounts from respondents. The results are as follow. First, the learning participation motivation and the learning transfer between the upper and lower groups are the same. Second, The PC based e-Learning works more effectively for learning participation motivation and learning transfer in H company. Although this results were statistically the same as the earning participation motivation and learning transfer, but the learning participation motivation and learning transfer in PC based e-Learning were arithmeticly high. In other words, employees with high PC based e-learning have high motivation and desire for learning. Also they have high degree of transfer and retention of learning to their tasks. These results suggest the need to further activate and operate the PC based e-Learning effectively in H company.

방염스티로폴 약제 개발과 방염판넬 생산시 물성에 관한 연구

이광우(Kwang-Woo Lee) 한국산업융합학회 2001 한국산업융합학회 논문집 Vol.4 No.2

Diphenylpropylamidophosphate(DPPAP) was synthesized as flame retardant for Expanded Polystyrene(EPS). Structure of DPPAP was investigated by the m, NMR, DSC. We make FR panels with EPS beads which treated with DPPAP and expanded by expand machines. FR panels were used in this study after formation by form machines and then cutting by cutting machines. The following conclusions were obtained: 1. The new synthetic agent was developed without the use of solvent such as pyridine or tertiary amine in the synthesis of DPPAP which served as flame retardant for EPS. 2. The flame retandancy effect of EPS treated with DPPAP was found excellent in LOI tests. 3. The properties of FR EPS panels treated with DPPAP did not difference.<br/> <br/> <br/>

움직임 예측을 이용한 고속 부화소 움직임 추정기

이광우(Kwang Woo Lee),선우명훈(Myung Hoon Sunwoo) 대한전자공학회 2008 電子工學會論文誌-SP (Signal processing) Vol.45 No.3

본 논문은 H.264/AVC 비디오 코덱의 부화소 움직임 추정 연산을 효율적으로 줄일 수 있는 고속 부화소 움직임 추정 알고리즘을 제안한다. 부화소 움직임 추정 연산은 보다 정확한 움직임 벡터를 찾을 수 있어 비디오 코덱에 널리 사용되지만, 추가적인 보간 및 탐색 연산으로 인해 부호화기의 연산량을 증가시키는 문제점이 있다. 제안하는 고속 부화소 움직임 추정 알고리즘은 SASR (Simplified Adaptive Search Range)을 이용하여 부화소 움직임 추정 연산을 선택적으로 수행하며 MSDSP(Mixed Small Diamond Search Pattern)을 이용하여 부화소 탐색 지점을 감소시켰다. 제안한 알고리즘은 전역 부화소 탐색 알고리즘과 비교하여 탐색 지점이 최대 93.2% 감소하였으며, PDFPS (Prediction-based directional fractional pixel search) 알고리즘보다 탐색 지점이 최대 81% 감소하며 PSNR 감소는 최대 0.04㏈로 화질의 열화는 매우 미비했다. In an H.264/AVC video encoder, the motion estimation at fractional pixel accuracy improves a coding efficiency and image quality. However, it requires additional computation overheads for fractional search and interpolation, and thus, reducing the computation complexity of fractional search becomes more important. This paper proposes fast fractional search algorithms by combining the SASR (Simplified Adaptive Search Range) and the MSDSP (Mixed Small Diamond Search Pattern) with the predicted fractional motion vector. Compared with the full search and the prediction-based directional fractional pixel search, the proposed algorithms can reduce up to 93.2% and 81% of fractional search points, respectively with the maximum PSNR lost less than 0.04dB. Therefore, the proposed fast search algorithms are quite suitable for mobile applications requiring low power and complexity.

초등학교 창의적 체험활동 교육과정 편성·운영에 대한인식 조사

이광우 ( Kwang Woo Lee ),이미숙 ( Mi Sook Lee ) 한국초등교육학회 2012 초등교육연구 Vol.25 No.2

이 연구의 목적은 창의적 체험활동 교육과정 편성·운영에 대한 초등학교 관계자의 인식 조사 결과에 근거하여 거시적 차원에서의 창의적 체험활동 교육과정 편성·운영 방향을 제언하는데 있다. 이를 위해 우선 창의적 체험활동 교육과정의 주요 변화 내용을 고찰하고, 창의적 체험활동에 대한 초등학교 관계자의 인식을 조사한 후, 분석 결과에 토대하여 창의적 체험활동 교육과정 편성·운영 방향을 제언하였다. 인식 조사 결과를 토대로 단위 학교의 창의적 체험활동 교육과정 편성·운영에서 적극적으로 검토되어야 할 사항으로는 ``초등학교의 특성을 고려한 학교 수준 창의적 체험활동 목표의 초점화``, ``학년군의 특성을 고려하여 단위 학교에서 편성·운영 가능한 창의적 체험활동 영역의 선정``, ``국가 및 교육청 수준에서의 창의적 체험활동 평가방법 및 기준에 대한 지원``, ``창의적 체험활동 편성·운영 역량을 강화할 수 있는 지원 체제의 확대`` 등을 제언하였다. The purpose of this study is to suggest directions for the organization and implementation of creative - experiential activities curriculum in the 2009 National Curriculum as the result of perception survey on elementary Creative-Experiential Activities. To achieve this aim, First, this study explore the characteristic of creative - experiential activities curriculum in the 2009 National Curriculum. Second, it survey teacher, parent of student, student`s perception on organization and implementation of elementary creative - experiential activities curriculum. Based on the survey results, this study suggested some tasks to effectively organize and implement creative-experiential activities curriculum. It is necessary to focus concretely educational goal of creative - experiential activities in school level, to select emphasis of creative-experiential activities according to grade group, to need support on the evaluation method and criterion of creative-experiential activities in national and metropolitan level, to expand support system to uplift school or teacher competency for organization and implementation of creative - experiential activities in school level.

新生國民族主義의 「딜레머」

李光宇(Lee Kwang Woo) 한국정치학회 1974 한국정치학회보 Vol.8 No.-

커피전문점의 물리적 환경이 고객 만족도와 충성도에 미치는 영향

이광우(Kwang-Woo Lee),김효진(Hyo-Jin Kim),전민선(Min-Sun Jeon) 한국조리학회 2015 한국조리학회지 Vol.21 No.1

근대화와 도시화의 제문제 ; 도시화와 행정수요 (行政需要)

이광우(Kwang Woo Lee) 전남대학교 지역개발연구소 1972 지역개발연구 Vol.4 No.1

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