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한기봉(Ki-Bong Han),강인준(In-Joon Kang),최치영(Chi-Young Choi),이경철(Kyung Chul Lee),이수주(Soo-Ju Lee) 대한공간정보학회 2009 한국지형공간정보학회 학술대회 Vol.2009 No.4
삼국시대부터 축조되어 전해지는 봉수대는 조선시대에 이르러 크게 발전되어 국방 및 통신 분야에서 중요한 역할을 해왔다. 이러한 봉수대의 선정에 있어서 지형, 지세, 기후 및 산림 등의 자연조건은 중요한 기준이 되었다. 본 연구에서는 부산지역에 위치하는 봉수대 중 연변 봉수대에 대하여 봉수대의 입지를 선정하는 요소들 중 지형과 기후요소를 중심으로 하여 기후요소 중에서 봉수대가 위치하는 연구지역의 운량 및 시정거리의 지수의 연간의 평균결과 값을 산출하여 보았고 봉수대 지형요소에 대한 분석으로 경사(slope), 향(aspect)등을 파악해보고 각 봉수대간의 거리 및 가시권(Visible range)를 파악하여 봉수대의 입지에 대한 특징을 수치적으로 정리해 보고 이들 요소들을 대상으로 통계분석을 실시하여 각 요소들 사이의 상관관계 결과를 바탕으로 미지(未知)의 봉수대의 파악에 있어서의 효율성을 가지는지에 대하여 알아보았다.
한기봉(Han,Ki-bong),한태희(Han,Tae-hee),이신원(Lee, Shin-Won),한승우(Han, Seung-wo) 한국태양에너지학회 2012 한국태양에너지학회 논문집 Vol.32 No.6
The existing solar tracking sensor for 2 axial control system to trace latitude and longitude is made of four phototransistor.The phototransistor-making is difficult and it" smanufacturing is more high-priced than a wide use phototransistor because they have to the same characteristics of each phototransistor output signal. This paper described the algorithm for supplement these weakness. The algorithm applied to signal normalizing method and vector decomposition law. The deviations of each a wide use phototransistor output signal are resolved by signal normalizing method and itis able to make a solartracking sensor using three phototransistor by vector decomposition law. Therefore, in this paper,it is reduced the number of phototransistor that is composed of solar tracking sensor and possible to use a wide use phototransistor by the proposed algorithm.
한기원(Ki Won Han),이수원(Soo Won Lee),한광수(Koang Soo Han),이대진(Dae Jin Lee),이병의(Byung Eui Lee),장원철(Won Cheoul Jang) 한국독성학회 2003 Toxicological Research Vol.19 No.2
We investigated antitumor activities of the ethanol extract from mushroom Phellinus linteus and Phellinus baumii on mulberry, oak and elm. In vitro test, the ethanol extract of mushroom cultivated on oak of Phellinus linteus showed highest activities about SK-OV-3, HCT15, XF498, SKMEL-2 and A549. SK-OV-3 cell line showed 100% cytotoxicity in 100 mg/ml and HCT15 (98.39%), XF498 (89.62%), SK-MEL-2 (84.07%) and A549 (79.92%) cytotoxicity respectively. Also IC50 showed 3.99 ㎍/ml to SK-OV-3 cell line and HCT15 (4.37 ㎍/ml), A549 (5.48 ㎍/ml), SK-MEL-2 (6.72 ㎍/ml), XF 498 (6.88 ㎍/ml). As those results, cultivated oak of Phellinus linteus showed a very low IC50 value against SK-OV-3, HCT15, XF498, SK-MEL-2 and A549 cancer cell lines.
유아교육 현장에서의 창의성과 반창의성: 유치원 교사들과의 심층 인터뷰를 중심으로
한기순 ( Ki Soon Han ),이인화 ( In Hwa Lee ) 미래유아교육학회 2015 미래유아교육학회지 Vol.22 No.3
본 연구는 유아교육 현장에서 유아들의 창의성 발현에 대한 교사의 반응을 심층 인터뷰를 통해 탐색하며, 유아의 창의성 발현이 존중되지 못하는 요인에는 어떠한 것들이 있는지 분석해 봄으로써 향후 나아갈 교육적 방향을 모색해 보고자 하는 것이 본고의 목적이다. 본 연구에서는 5개 유치원 12명의 교사가 심층 면담에 참여 했으며, 면담은 개별 2차례 총 24차례에 걸쳐 이루어졌다. 연구결과 참여한 대부분의 교사들이 창의적인 아이나 창의적인 행동에 대하여 현장에서의 어려움 혹은 반감을 나타내고 있었다. 본 연구에서는 교사들과의 심층면담 결과를 창의적 아이 vs 순종적 아이, 자율적 유아중심 프로그램 vs 취학 전 인지적 선행 학습, 실패를 경험하는 기회제공 vs 검증된 프로그램 수행, 독창적 시도의 결과물 vs 보기 좋은 결과물 등을 중심으로 제시하였고, 창의성 저해 요인, 교사에 따른 창의성 교육의 편차를 추가적으로 탐색하였다. 연구결과를 중심으로 유아교육 현장에서 반창의성 편향의 극복과 창의성 교육의 방안이 논의되었다. The main purpose of this research was to search for the future direction of our education by analyzing in-depth interviews of teachers` view on young children`s expressing creativity in a kindergarten and their obstacles that hold back children`s creative expression. To conduct the study, 12 kindergarten teachers from 5 kindergartens participated for in-depth interviews which were done twice per person, 24 times in total. The majority of the teachers had difficulties dealing with creative children or behaviors that showed creativity or at least they showed reluctance about them. The results of this study are displayed by following themes: creative child vs. obedient child, self-regulated child-centered program vs. pre-school cognitive prerequisite learning, offering opportunities of failure vs. performing verified programs, output of creative trials vs. conventional good-looking output etc. Moreover, factors that hinder their creativity and creativity education deviation depending on teacher have been additionally studied. With the result of this study, it was discussed about overcoming of anti-creative bias and planning of creativity education in early childhood education field.
한기선(Ki-Son Han),권동진(Dong-Jin Kweon),구교선(Kyo-Sun Koo),이병성(Byung-Sung Lee),송길목(Kil-Mok Shong) 한국조명·전기설비학회 2011 한국조명·전기설비학회 학술대회논문집 Vol.2011 No.5월
Mineral oil is the most widely used to insulation material of transformer because of the long experience and low cost. Although mineral oil has many advantages, it posses fire hazard when it use in the buildings. Thirty years ago, fire resistant hydrocarbon fluids and mold transformer were developed such as PCBs, Silicone oil, HMWH and Cast resin transformer. Cast resin transformer is widely used in the almost buildings in Korea. Recently, the application of ester fluids have been reported. This paper compares to advantages and disadvantages of the cast resin and ester fluid transformers.
100 gm 경구 당부하검사 결과 하나만 비정상을 보인 임신의 양상
한기수(Ki Su Han),양성천(Seong Cheon Yang),김행수(Haeng Soo Kim),양정인(Jeong In Yang),이희종(Hee Jong Lee),임재현(Jae Hyun Lim),임윤경(Yun Kyoung Lim),오기석(Kie Suk Oh) 대한산부인과학회 2001 Obstetrics & Gynecology Science Vol.44 No.10
N/A Objective : To evaluate the clinical outcomes of pregnancies showing one abnormal glucose tolerance test value. Method : We performed 50 gm glucose challenge test in 5,019 pregnant women at 24-28 weeks of gestation. In 1,170 women with plasma glucose levels over 130 mg/dL, 100 gm oral glucose tolerance tests (OGTTs) were performed at 28-32 weeks of gestation. In the 888 cases who were followed up, according to the National Diabetes Data Group (NDDG) criteria, 122 cases with one abnormal 100 gm OGTT value were divided into three groups (groups 1, 2, 3 : abnormal value after 1, 2, 3 hours, respectively). These were compared with 577 cases (control group) with normal 100 gm OGTT value, retrospectively. Result : The incidence of one abnormal glucose tolerance test value was 2.6%, and there were no cases where the fasting plasma glucose level only was elevated. The incidence (control, group 1, group 2, group 3 : 19.4%, 43.8%, 25.7%, 29.6%) of poor maternal outcomes which contain any one of preeclampsia, hydramnios, cesarean delivery for cephalopelvic disproportion or failure to progress or fetal distress was highest in group 1 (p=0.025). The incidence (15.8%, 43.1%, 14.3%, 21.1%) of poor perinatal outcomes which contain any one of fetal distress, Apgar score of 5 minute < 7, hypoglycemia, respiratory distress syndrome, small for gestational age, perinatal death was also highest in group 1 (p=0.009). Logistic regression analysis for poor maternal outcomes showed odds ratio of 2.83 (95% confidence interval 1.02-7.87) in group 1 and 2.08 (95% confidence interval 1.22-3.55) in group 3, and for poor perinatal outcomes odds ratio of 4.24 (95% confidence interval 1.02-17.52) in group 1 and 3.30 (95% confidence interval 1.45- 7.48) in group 3. Conclusion : Pregnancies complicated with one abnormal glucose tolerance test value, particularly the group showing abnormal glucose tolerance test value after 1 or 3 hour exhibited adverse maternal and perinatal outcomes.
한기봉(Han Ki Bong),이지영(Lee Ji Young),강인준(Kang In Joon) 대한공간정보학회 2009 대한공간정보학회지 Vol.17 No.4
봉수대는 예로부터 조선시대에 이르기까지 국방 및 통신에서 중요한 역할을 해왔다. 그동안의 봉수대에 대한 연구는 고문헌을 통한 조사에 집중되었다. 본 연구에서는 봉수대 입지 선정에 영향을 주는 요소들인 고도, 단면도, 봉수대간의 거리 및 가시권 등의 지형요소를 분석하였다. 그리고 봉수대의 입지 선정 시 지형적 요소가 어떻게 고려되었는지 분석하였다. 분석 결과 봉수대의 지형 특성은 신호전달에서는 봉수대간의 거리와 가시거리가 상관이 있었고 조망에 있어서는 해안과의 거리와 가시범위가 상관이 있었다. 봉수대의 위치 선정에 있어서는 한가지의 지형요소뿐만 아니라 어려 지형요소들이 복합적으로 고려되었다고 생각된다. The Beacon Mounds play a important role in defence and communication extending from the period of the Three States to the period of Chosun. About the research of beacon mounds have focused on investigation in old literature. This research analyzed geographic factors such as altitude, cross section, distance and visible distance affect in selecting location of beacon mounds. And it was presumed how each beacon mound geographic characteristics was considered in selecting location of beacon mounds. As a result, it is presumed that communicating among beacon mounds and watching the coast were affected by geographic characteristics and selecting location of beacon mounds was considered by several geographic factors