우심방을 침범한 거대 비호지킨씨 림프종 1예

강상범,진승원,이은경,박용현,최용호,김용주,박준철,김재형,홍순조,최규보,권종범,원용순,박건,이은희 대한순환기학회 2000 Korean Circulation Journal Vol.30 No.4

서울 남산 도시자연공원의 대기정화기능과 가치

조현길,조용현,안태원 江原大學校 附設 環境硏究所 2003 環境硏究 Vol.20 No.-

본 연구는 서울시 남산 도시자연공원을 대상으로 식생의 대기 CO₂SO₂및 NO₂흡수능을 계향화하여 대기정화에 기여하는 가치를 구명하였다. 활엽수림이 전체 식생면적의 약 54%를 차지하였고, 수령구조는 유목내지는 성장과저으이 수목들로 우점하였다. 평균 교목밀도와 기저면적은 각각 17.5주/100m², 2,580cm²이었다. 식생유형 및 영급별 단위면적당 대기정화능은 기저면적의 변화와 유관하여 영급이 높을수록 증가하였고, 동일 영급내에선 대체로 침엽수림보다는 온효림이나 활엽수림이 더 컸다. 식생유형 전체의 단위면적당 평균 CO₂저장량은 293.8t/ha이었고, 경제가치는 147백만원/ha이었다. 연간 흡수량은 CO₂ 24.6t/ha/yr, SO₂ 17.1kg/hr/yr및 NO₂ 43.9kg/ha/yr이었고 연간 경제가치는 13백만원/ha/yr이었다. 전체 식생명적은 총 72.100t의 CO₂를 저장하고 있으며, 해마다 CO₂6.040t/yr, SO₂4.200kg/yr, NO₂10.770kg/yr을 흡수하는 것으로 나타났다. 그 전체면적의 경제가치는 CO₂저장 약 361억원, 연간 CO₂SO₂및 NO₂흡수 31억원/yr에 상당하였다. 남산 도시자연공원은 해마다 시민 약 1,100인의 CO₂배출량, 2,800인의 SO₂배출량,1.160인의 NO₂배출량을 각각 상쇄시키는 중요한 역할을 담당하였다. 본 연구결과는 도시자연공원의 대기정화 가치를 홍보함은 물론, 보강식재 및 관리의예산확보에 필요한 설득력 있는 기반자료가 될 것으로 기대한다. This study quantified C0₂SO₂and N0₂uptake by vegetation for the Namsan Nature Park in Seoul, and explored values for the park to contribute to atmospheric purification. Broad?leaved forest accounted for about 54% of total forest area, and tree-age structure was dominated by a young; growing tree population. Tree density and basal area averaged 17.5 trees/100㎡ and 2,580c㎡/100㎡, respectively. Atmospheric purification per unit area by forest type and age class was greater in older age classes, associated with changes in basal area, and tended to be greater in broad-leaved or mixed forest than in coniferous forest for the same age classes. Mean CO₂storage per unit area for all the forest types and age classes was 293.8 t/ha and economic value of the CO₂storage was \147millions/ha. Annual uptake averaged 24.6 t/ha/yr for C02' 17.1 kg/ha/yr for 802 and 43.9 kg/ha/yr for N02, and economic value of the annual uptake was W 13millions/ha/yr. Total forest area stored 72,100t of CO₂and annually sequestered 6,040t/yr of CO₂4,200 kg/yr of SO₂and 10,770 kg/yr of NO₂. Economic value of atmospheric purification for the entire area amounted to approximately \ 36,100millions for the CO₂ storage, and \ 3,100millions/yr for the annual CO₂SO₂and NO₂uptake. The park played an important role through annually offsetting CO₂emissions from fossil fuel consumption by 1,100 persons, SO₂emissions by 2,800 persons, and NO₂emissions by 1,160 persons. The results from this study are expected to be useful not merely in informing the public of atmospheric purification values of urban nature parks, but in urging the necessity for replanting and management budgets.

도시녹지의 대기환경개선 효과 : 서울시 중구를 중심으로;Focusing on Jung-gu in Seoul

조현길,조용현,안태원 江原大學校 附設 環境硏究所 2003 環境硏究 Vol.20 No.-

This study explored effects of urban greenspace on improving atmospheric environmcnt, which is concerned with CO₂, SO₂and NO₂ uptake, and with reduction of summer air temperatures. The site of this study was focused on Jung-gu in Seoul. Tree density and cover were1.1trecs/l00 m₂and 12.5% respectively for the study area except forest lands. Atmospheric purification by greenspace was associated with changes in tree cover per unit area of each land use type. The mean C02 storage by woody plants was 19.4t/ha, and annual uptake averaged 2.2t/ha/yr for C0₂, 1.9kg/ha/yr for SO₂and 5.0kg/ha/yr for NO₂. Entire tree plantings in the study area played a significant role by annually offsetting CO₂emissions of about 1,8301 from fossil fuel consumption by 330 persons, SO₂emissions of 1,620kg by 1,080 persons, and NO₂emissions of 4,230kg by 450 persons. The smnmer air temperature was 3.6℃ cooler at a location with 54% cover of woody plants and 4.5℃ cooler at a forest site with 100% cover, compared to a place with no planting. A 10% increase of woody plant cover was estimated to decrease slimmer air temperature by approximately 0.6℃ until a certain level of canopy cover. Analyzing data from the Automatic Weather Stations in Seoul revealed that increasing tree cover decreased mean air tern-perature for the smruner season (Jun∼Aug) in a nonlinear function. Woody plant cover was the best predictive variable of summer temperature reduction. The results from this study are expected to be useful in emphasizing the environmental benefits and importance of urban greenspace enlargement, and in urging the necessity for planting and management budgets.

J-R 곡선에 대한 시편크기의 영향에 관한 연구

조연제,석창성,김영진,양원호,최용식 成均館大學校 科學技術硏究所 1995 論文集 Vol.46 No.1

The objective of this paper is to investigate the constraint effect on fracture resistance curves. A series of fracture toughness tests with different specimen sizes taken from nuclear piping materials(SA312 TP347 SA516 Gr. 70) were performed. Test results show that fracture toughness is increased with increase in specimen size, probably due to the relaxation crack tip constraint. Elastic-plastic finite element analyses were also performed to investigate the constraint effect. Numerical results show that the stress triaxiality at the crack tip is the governing factor for fracture toughness.

지역사회 교육공동체 형성에 관한 연구 : 산들초등학교 사례를 중심으로

조용환,서근원 한국교육인류학회 2004 교육인류학연구 Vol.7 No.1

이 연구는 폐교의 위기에 처했다가 학부모들의 자발적인 노력에 의해 새로운 학교로 다시 태어난 한 초등학교(가칭 산들초등학교)를 대상으로 한 문화기술적 사례연구이다. 이 논문은 그들이 추구한 학교공동체가 어떤 성격의 것이며, 그러한 공동체를 형성하는 과정에서 교육이 어떻게 작용하고 있는지를 집중 분석하고 있다. 이 연구에서 우리는 학교 구성원들이 대안적 교육 프로그램을 중심으로 입장 차이를 유보한 채 결속하는 명시적 공동체와, 갈등사태에 직면하여 문제를 해결하는 동안 교육적 성장을 이루어가는 암묵적 공동체를 발견할 수 있었다. 그리고 학교가 공식적으로 추진해 온 전경의 교육과, 구성원들 사이에 잠재적 체험의 과정으로 드러나는 배경의 교육을 구분해서 살펴볼 수 있었다. 여기서 우리는 학교공동체가 진정한 의미의 교육공동체가 되기 위해서는 획일적 동질성에 기초하여 구성원들을 소외시키는 일이 있어서는 아니 되며, 모든 구성원이 주체로서 대화에 참여하고 그를 통한 변증법적 성장을 이룰 수 있어야 한다는 사실을 구체적 체험을 통해 확인할 수 있었다. In this global-information age, humans are struggling to achieve balanced ways of living between those of modernist values, which have emphasized individual freedom and responsibility, and newly asked postmodern communal philosophies. It seems to be a task to construct a set of 'glocalized' communities. Constructing such a utopian community has long been a dream but never been fully realized, mostly because previous communal movements have been, in nature, prone to hegemonic disguises of either imperialist dictatorship or nationalist populism, They were not actually based on ordinary people's knowledge and participation. In this research, we pay attention to the role of education in building such a harmonious humane community. Education is by definition a continuous dialogic endeavor to overcome the gap between ignorance and knowledge, the conflict between subjective agents and their social constraints. An ideal community here called 'educational community' is one in which People not only belong together but also become together. In the educational community, everyone searches and supports a better co-existence. In order to be "educational", a community should be meaningful as well as functional for its every member. The present ethnographic case study has tried to discover and describe the culture of Sundle primary School and its surrounding community. The school under study has been continuously in a crisis to close for its population decrease from 1991. But a series of collective works done by parents, school staffs, and other community leaders has revived the school and its back-ground community. Now the school takes a vital role to (re)build an 'educational community' in a small valley town in central Korea. Researchers have observed Sundle Primary School and its community for almost two years. In the field, they have conducted both participant observations and ethnographic interviews to understand what makes such an educational community possible and how the people identify and solve the problems emerged in the process of their educational community building. They could find the Sundle people are very active to cure a "deep-seated disease" of Korean public schools. They have developed their own alternative educational programs such as season camps, self-supportive evaluation meetings, community revitalization activities, and so on. Their focus was on finding out and establishing better educational relationships among concerned groups. As results, they could enjoy substantial success in achieving a widely awarded school as well as a visible educational community. Further research and data analyses are still on going by the researchers.

견관절 상해와 재활방법

정용민,조원민,김귀원 釜山大學校 附設 體育科學硏究所 1990 體育科學硏究所 論文集 Vol.6 No.-

In the injury of shoulder girdle, as a matter of accurate diagnosis through inpection, palpation, nervous examination, and medical program following an injury state, we can recover and take part in the sports as quickly as possible. Rehabilitation treatment should be conducted right after injury, and during the injury treatment, its method should be conducted in many ways after close observation and analysis of recovery state. Especially therapeutic exercise in the recovery is very important, because shoulder girdle has larger ROM than other part. For the prevention of injury in shoulder girdle, we should know functional-anatomical view, take moderate technique training, and have sufficient muscle exercise, stretching, and warming-up. And hard training with protection equipment needs wearing and checking fittable equipment, and should be reduced injury by precise technique during the game, with sufficient exercises.

가스보일러 실내온도조절기 디자인 개발

박택용,조원휘,이정옥 大田産業大學校 1997 論文集 Vol.5 No.-

The modern residence environment should be familiar to meet the use' values and correspond with the societal changes. Now we suggest a way of holocaust culture for a convenient residence environment our unique holocaust. Furthermore, we are to satisfy the consumer's aesthetic demand by developing the design of room controller of gas boiler. And the consumption of gas boilers are increasing because of the new understanding of gas and the safety and convenience of it. So we beside the course of design of the basis of the trend of boiler business, consumer’s taste and the problem of exiting Products. The we came to a final design concept by the design process.

이면성 및 도플러 심초음파도를 이용하여 진단한 선천성 거대 좌회선지-좌심실 관동맥루

진승원,박준철,이영중,유병현,박현옥,김용주,윤호중,김재형,홍순조,최규보,권종범,원용순,박건 대한순환기학회 2000 Korean Circulation Journal Vol.30 No.4

탐촉자 시스템의 처짐과 응력해석

공용식,류봉조,정훈택,박홍원 한밭대학교 생산기반기술연구소 2001 생산기반기술연구소 논문집 Vol.1 No.1

This paper deals with stress analysis and deflections for probe stage systems connected to semi-conductor apparatus. Most of the real probe stage systems are composed of three mechanical parts such as slider, X-base and Y-base. In order to calculate the maximum stress and deflection for probe stage systems, three-dimensional finite element model is applied. Numerical results are obtained by changing various design parameters related to the above three parts. Through the numerical simulation, optimal design shape satisfying von Mises yield criterion is presented. The analysis was performed by using commercial COSMOS/M FEA code.

우심방과 우심실의 거대 심장 혈관종 1예

김제열,조상호,김건일,허경림,김현숙,조구영,최영진,이원용,임종윤 朝鮮大學校 附設 醫學硏究所 2007 The Medical Journal of Chosun University Vol.32 No.2

Cardiac tumors, especially the primary tumors involving any part of the heart are extremely rare and its relative incidence has been reported to be approximately 0.02%. We report a patient with huge cardiac hemangioma who complained of shortness of breath, general weakness, and dizziness, Imaging study by echocardiography and computed tomography of thorax revealed a huge lobulating mass like a bunch of grapes in the right chamber of heart. The surgical exploration of thorax was performed and a histological diagnosis of spindle cell hemangioma was obtained by microscopy. The patient was treated by surgical resection of the tumor and doing well after surgery. Our experience indicated that prompt diagnosis and treatment of cardiac hemangioma is imperative for patients' prognosis.