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정경권,정성부,엄기환 동국대학교 산업기술환경대학원 1998 산업기술논총 Vol.4 No.-
In this paper, we propose a nonlinear system identification method using genetic algorithm. We represent the nonlinear system as a parameter vector and a measurement vector. In order to identify the nonlinear system, we find the parameter vector using genetic algorithm. The parameter vector is regarded as a chromosome of gene. The error between the desired output and estimated output every sampling period is used to calculate the fitness of one gene. The simulation results showed the effectiveness of using the genetic algorithm in the nonlinear system identification.
유아 교사 양성 대학 교육실습시 동료 임상 장학 실시 사례 연구
김정화,조부경 韓國敎員敎育學會 1998 한국교원교육연구 Vol.15 No.1
요약본 연구는 유아 교사 양성 대학 교육실습시 실습생들 간에 동료 임상 장학이 실시될 수 있는지 그 적용 가능성을 탐색하기 위한 것이었다. 4명씩 4조로 구성된 총16명의 실습생들에게 동료 임상 장학의 기법을 훈련시킨 뒤 정규 실습 기간 중 3주동안 동료 임상 장학을 실시하게 하였다. 삼각측정법에 의하여 자료를 다면적으로 수집한 뒤 분석 기준을 토대로 질적으로 분석한 결과 실습생들은 원만한 인간관계를 형성하고 협의회를 통해 수업 계획안을 구체화시켜 가는 양상을 보였다. 또한 문제 상황에 대하여 개인적 견해나 지도 교사의 시범 수업에 기초하여 분석하였는데 이는 실습생들에게 이론과 실제를 연결짓고 자기 객관화 및 평가 능력을 습득할 수 있는 기회가 되었다. 실습생의 수업 분석 능력이나 시간 부족 등의 제한점이 있었으나 동료 임상 장학은 대체로 실습지도시 실현 가능한 효과적인 방안으로 분석되었다.The purpose of this study was to investigate the implementation process of a peer chinical supervision model in early childhood student teaching. In oder to identify general trends, effects and limits of the implementation process, participant observations and interviews were conducted for 3 weeks in 4 kindergarten classrooms where 16 early childhood student teachers were performing their student teaching. Interview data, field notes, and audio & video tapes were analyzed through three steps. The findings are as follows : During the conferences for peer clinical supervision, the democratic relationship had been spread out among student teachers. They also specified their lesson plans and analyzed their problems based on classroom teachers' model lessons. The peer clinical supervision model was revealed as an ideal method which student teachers could improve their analysis competence and self-evaluation skill eventhough there were some limitations.
사망진단서(사체검안서) 상의 선행사인으로부터 사망통계의 원사인이 선정되는 비율 : 3개 대학병원에서 교부된 사망진단서를 중심으로
박우성,박석건,정철원,김우철,탁우택,김부연,서순원,김광환,서진숙,부유경 한국의료QA학회 2004 한국의료질향상학회지 Vol.11 No.1
Background : To exatnine the problems intolved in writing practice of death certificates, we cotnpated the determination of underlying cause of death for wital statistics using recorded underlying cause of death in issued death statistics. Methods : We collected 688 rnortality certificates issue in year of 2,000 from 3 university hospitals. And we also collected vital statistics from ministry of statistics. The causes of death were coded by experienced medical record wpecialists. And causes of death determined at ministry of statistics for national vita statistics were mapped to causes of death recorded at each death certificates. The rate that underlying causes of death for vital statistics were derived from underlying causes of death recorded at issued death certificaties sere analysed. Results : 64.5% of underlying cause of death for could be derived from underlying cause of death recorded at issued death certificates, 8.6% derived from intermediate cause of death, and 3.9% derived from direct cause of death. In 23% of cases, underlying cause of death could not be derived using issued death certificates. The rate that underlying cause of death for vital statistics could be derived from underlying cause of death recorded at death certificates was different between 3 university hospitals. Ane the rate was also different between death certificates and postmortem certificates. We classified the causes of death using 21 major categories. The rate was different between diseases or conditions tha caused death too. Conclusion : When we examined the correctness of death certificate writing practice using abpve methods, cortectness of writing could not be told as satisfactory. There was difference in correctness of writing between hospotals, between death certificates and postmortem certificates, and between diseases and conditions that caused death. With this results, we suggested some strategy to improve the correctness of death certificate writing practice.
Candida Albicans 와 Carcinogen 의 경구투여에 의한 Mouse 의 위점막 변화
정정명(Jung Myung Jung),김을수(Eul Soo Kim),오형석(Hyung Seok Oh),최경해(Kyung Hae Choi),이부경(Boo Kyung Lee),설상영(Sang Yung Sul),최하진(Ha Jin Choi) 대한내과학회 1988 대한내과학회지 Vol.34 No.4
N/A 1) In the group of the subject mice administered with candida albicans only, all of 6 mice had an inflammatory change both in stomach antrum and body at the 1 month-interval check. At the 3 month interval check, an inflammation in stomach antrum occurred in all of 6 mice; however, in stomach body 5 mice had an inflammation and 1 mice a mocosal atrophy, At the 6 month-interval check, all of 8 mice had an inflammatory change in stomach antrum, while 4 of them got a mucosal atrophy in stomach body. 2) In the group of the mice with a carcinogen alone administered, 2 of 4 mice in the 6 month-group, and 5 of 8 mice in the 9 month-group revealed a mucosal dysplasia with no appearance of cancer. But the degree of dysplasia was one mouse in grade A and another one mouse in grade B, respectively, at the 6 month-interval check, while 2 mice in grade B, and 3 mice in grade C, respectively, at the 9 month-interval check. 3) In the group of mice administered both with carcinogen and candida albicans, 2 of 4 mice showed no cancer but mucosal dysplasia of grade B at the 6 month-interval check, while at the 9 month-interval check, 6 of 8 mice had a squamous cell cancer (especially 3 having been grossly examined) and the other two had mucosal dysplasia of grade C. 4) The findings in the liver tissue of the mice adminstered with the carcinogen for more than 8 months revealed a severe liver cell dysplasia with no evidence of hepatoma. 5) The results from this experimental study suggested that in case of provoking a stomach cancer due to a carcinogen administered in the mice, gastrointestinal infection of pathogenic organism such as candida does play a promoting role. However, whether a suggestion from this experimental study will be applicable to human beings as well or not will have to await a lot of further researches thereafter in the field, There have been reported many experimental researches on the oncogenic effects of various nitroso-compounds since Barnes and Magee, in 1956, concluded the acute hepatotoxicity and oncogenic action of dimethylnitrosamine in a number of experimental animals. Thereafter these nitroso-compounds have been assumed to be an environmental carcinogen in human beings as well as a potent carcinogen in animals. Much attention has been paid particulary on the relation of stomach cancer and nitrosamine since the nitrosamine synthesis in human gastric juice was known to be available. However. at present, it seems so hard to confirm nitrosamine as a vital factor of human cancer that far more information is demanded to identify it accurately. Recent reports, including ours, show a high frequency of candida albicans infection in gastrointestinal tract by various environmental factors. But the influence of candida multiplication on gastric ulcer or stomach cancer has scarcely been known. In this research we made a study of possible effects of candida infection on the gastric mucosa injury as well as on stomach cancer.
유아환경교육관과 연계한 유치원의 멸종위기동물 환경교육프로그램이 유아의 환경감수성 및 생명존중인식에 미치는 영향
조부경 ( Boo Kyung Cho ),지옥정 ( Ok Jong Ji ),김경철 ( Kyung Chul Kim ),정아림 ( A Rim Jung ) 한국유아교육학회 2016 유아교육연구 Vol.36 No.2
본 연구는 유아환경교육관과 연계한 유치원의 멸종위기동물 환경교육 프로그램이 유아의 환경감수성과 생명존중인식에 어떤 영향을 주는지를 살펴보고자 하였다. 연구대상은 실험집단 27명, 통제집단 27명으로 실험집단에게는 유아환경교육관과 연계하여 구성한 멸종위기동물 환경교육프로그램을 10주간 실시하였으며, 환경 감수성 검사와 생명존중인식 검사를 사전사후에 두 집단 모두에게 실시하였다. 연구결과 실험집단이 통제집단보다 환경감수성과 생명존중인식 모든 영역에서 유의미하게 향상된 결과를 보였다. 이는 유치원에서 독자적으로 실천하기 어려운 체험중심의 멸종위기동물 환경교육을 유아환경교육관과 연계하여 실시할 때 유아에게 환경에 대한 감수성과 생명 존중 인식을 높일 수 있음을 보여준다. The aim of this study was to examine how “Endangered Animal Environmental Education Program” affects young children’s environmental sensitivity and respectful recognition of life. This program focused on making a connection between kindergarten and environmental education center. The sample group consisted of 54 young children (27 experimental group, 27 control group). The program was applied to the experimental group of 27 children in 10 week session. In this research, the results of Environmental Sensitivity Test and Respectful Recognition of Life Test were used in order to measure the dependent variables. At the end of the program, the experimental group displayed meaningful improvements in all areas than those of the control group. It implies that, if the program plans and administrates while being connected to environmental education center, it can help increase children’s environmental sensitivity and respectful recognition of life.