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MICROWAVE GENERATION OF SPACE-CHARGE LIMITTED CURRENTS
서윤호 광운대학교 기초과학연구소 1997 기초과학연구소논문집 Vol.26 No.-
Dynamics of an intense relativistic electron beam above the space charge limitted current is investigated in order to identify the microwave generation characteristics of an oscillating virtual cathode in a TM resonant cavity. The coupling between the beam and the TM resonant modes is defined by modeling the electron beam with a one dimensional discrete sheets. The governing equations for the interaction are obtained. These equations form a basis of the numerical code that can predict the beam dynamics near the nonlinear saturation regime.
尹瑞石 中央大學校 家庭文化硏究所 1989 가정문화논총 Vol.3 No.-
In Korea, the major customary formalities of a family were the ceremonies of coming-of-age, marriage, funeral and ancestor memorial. Most people have their own ceremonies in their family life, and the cultural norms of their ceremonies have connection with the structure and function of family. The purpose of this paper was to discover the cultural morms of ceremonial foods for marriage and ancestor memorials, in transition with marriage and inheritance system, and it was also discussed about the symbolic and functional elements of these ceremonial foods.
초등학교 교육과정과 교과서에 농업·농촌의 기능 및 가치 반영 방안
서우석,강대구,정남용,김재호,이윤조 한국농업교육학회 2006 농업교육과 인적자원개발 Vol.38 No.4
이 연구는 농업ㆍ농촌의 기능과 가치를 재정립하고 이를 초등학교 교육과정 및 교과서에 반영시킬 수 있는 방안을 제시하는데 그 목적이 있었다. 이를 위하여 먼저 선행연구 고찰을 통하여 농업ㆍ농촌의 기능과 가치를 재개념화하고, 이를 토대로 내용 분석 틀을 개발하여 초등학교 교육과정 및 교과서를 분석 하고, 그 결과를 토대로 교육과정 및 교과서에 반영시키기 위한 방안을 제시하였다. 그 주요 결과는 다음과 같다. 첫째, 농업ㆍ농촌의 기능과 가치는 크게 자연환경적 기능(수자원 함양 기능, 환경정화 기능, 생태계 보전기능, 자연재해 방지 기능), 사회문화적 기능(전통문화 보전 기능, 정서의 순화 기능, 자연학습의장 제공 기능), 사회경제적 기능(농산물 공급 기능, 직업 기회 제공 기능, 국토의 균형발전 기능, 타 산업에의 기여 기능)으로 분류하였다. 둘째, 농업ㆍ농촌의 기능과 가치를 바탕으로 초등학교 교육과정 및 교과서를 분석한 결과, 전 학년에 걸쳐서 자연학습의 장 제공 기능과 전통문화 보전 기능이 높게 나타났고, 그 다음으로는 농산물 공급기능과 정서순화기능이 높게 나타났다. 반면에 수자원함양기능과 환경정화기능은 상대적으로 낮게 나타났다. 셋째, 내용분석을 토대로 교과의 성격을 고려하여 각 교과별로 농업ㆍ농촌의 기능과 가치를 반영시킬 수 있는 방안을 제시하였다. 마지막으로, 각 교과별로 농업ㆍ농촌의 기능과 가치 반영 방안을 체계적으로 이행하기 위한 행ㆍ재정적 지원 방안을 교육과정 개발 측면, 교과서 개발 측면, 교육과정 운영측면, 정책적 지원 측면으로 구분 하여 제시하였다. The purpose of the study is to suggest the strategies for incorporating the roles and values of agriculture & rural areas as a part of the national curriculum and elementary school textbooks. For this purpose, this study was conducted as follows; First, we reclassified the roles and values of agriculture & rural areas after critically reviewing literature: environmental conservation functions, socio-cultural functions and socio-economic functions. Second, based on the new classification, we develop a framework for analyzing the national curriculum and elementary school textbooks. The functions of rural areas as places for learning about nature and purifying emotion and the importance of agriculture in providing agricultural product were frequently presented but the functions of sustaining water resources and environmental purification were relatively less presented in the national curriculum and elementary school textbooks. Third, we suggested strategies for incorporating the roles and values of agriculture & rural areas in the national curriculum and elementary school textbook based on the analysis. Finally, we suggested necessary administrative and financial assistance to systematically and effectively implement the suggested strategies for developing a new curriculum and textbooks as well as implementing the curriculum.
서정호,김윤숙,김대원,이동운,최규연,이정재,이임순 순천향의학연구소 2003 Journal of Soonchunhyang Medical Science Vol.9 No.1
Objectives: To study the clinical manifestations; time, mode of delivery, size of myomas and outcome of pregnancy in cases of myomas that were detected prior to pregnancy or during the antenatal care and after delivery. Methods: We statistically analyzed 76 patients with uterine myomas in pregnancy admitted to Soonchunhyang Seoul Hospital during the period of Jan. 1999 and Dec. 2001. Results: The results are as follows. 1. The mean age of patients in the detected group and undetected group were 32.9 years and 32.3 years, respectively. There was no difference in the proportion of primarity between the detected group(98.2%) and the undetected group(79.6%) 2. The most common type of uterine myoma in both groups was intramural myoma (detected group 94.1% vs undetected group 81.3%). The uterine myomas were most commonly located in the anterior portion and fundus(detected group 52.9% and 23.5% respectively vs undetected group 47.4% and 23.7% respectively) and the proportion was not significantly different between the two groups. Uterine myomas with a diameter of 3cm or more in the detected group were detected by clinical examination and ultrasonogram. Rate of uterine myomas with a diameter of 3cm or more in the detected group is 76.5% and less than 3cm is 54.2% which detected incidentally at delivery. 3. The proportion of term infants were detected group 88.2% vs undetected group 91.5%. 4. The most common indications for cesarean section in both groups were cephalopelvic disproportion and repeated cesarean section (detected group 41.2% and 45.8% respectively vs undetected group 11.8% and 18.6% respectively) and there was no significant difference between the two groups. 5. Secondary pathologic changes in the all myomectomy specimens were degeneration in both groups but there was no necrosis or sarcomatous change. 6. Antenatal complications were preterm labor, premature repture of membranes, spontaneous abortion, malpresentation, and placenta previa. Intrauterine growth retardation and placental abruption were not seen in both groups. Conclusion: Myoma detected by ultrasonogram before or during pregnancy is not a significant implication of pregnancy outcome.
서병관,류성룡,이송실,허정은,백용현,이재동,최도영,조윤제,김남재,박동석 WHO COLLABORATING CENTRE FOR TRADITIONAL MEDICINE 2004 東西醫學硏究所 論文集 Vol.2004 No.-
Objective : The aim of this study was to review systemically clinical trials on the effectiveness and safety of herbal medicines in the treatment of osteoarthritis. Methods : Computerized literature searches were carried out on seven electronic databases, and hand-searching on some chinese medical journals in library of Kyung Hee Medical Center. Trial data were extracted in a standardized, predefined manner and assessed independently. Results : 1. Thirty reports of clinical trials and two reports of meta-analyses concerning herbal medicine were collected and reviewed Among these reports three medical herbs were applied as topical medicine and others as internal medicine. 2. The western studies established NSAIDs or placebo as their control group. Five chinese reports established formulated herb pill(Ruanshnagshenjin pill) as their control group and Six did not establish a control group at all. 3. ACR was the most highly used diagnostic criteria in the western studies while the Chinese used their official criteria established by their government or the criteria of their text books. 4. 20 reports chose the Lequesne functional index, SHAQ, WOMAC OA index, AIMS, and their own unique scoring system as the criteria of analysing the effect. Others chose clinical symptoms, articular functions, and lab finding as their criteria. 5. 7 single herbs and 19 formulated herbs were studied. Among the formulated herbs, Achyranthes japonica was studied in 10 of the studies and Angelica gigantis Radix in 8, making them the most often studied herbs among the studies.