서울의 Penicillinase Producing Neisseria gonorrhoeae 발생빈도(1998)

김재홍,김준호,반재용,이정우,황성주,정준규,정성태,강진문,조흔정,홍창의,정혜신,이한승,김이선,이봉길,이종호,선영우,한기덕,윤성필,이성훈,안종성,박석범,문승현,조항래,김형섭,류지호,황재영,박준홍,손상욱 한양대학교 의과대학 2001 한양의대 학술지 Vol.21 No.1

In recent years, gonorrhea has been pandemic and remains one of the most common STDs in the world, especially in developing countries. For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria gonorrhoeae(PPNG), we have been trying to study the patients who have visited the Venereal Disease Clinic of Choong-Ku Public Health Center in Seoul since 1980 by menas of the chromogenic cephalosporin method. In 1998, 93 strians of N. genorrhoeae were isolated, among which 60(64.5%) were PPNG. The prevalence of PPNG in Seoul, which had been decreased to 39% in 1996 after a peak of 74.3% in 1993, is increased to 64.5% in 1998.

반구형 딥-드로잉 공정에서 동적 외연적 해석방법에 관한 연구

정동원,황재신 제주대학교 공과대학 첨단기술연구소 2003 尖端技術硏究所論文集 Vol.14 No.2

In the present work a finite element formulation using dynamic explicit time integration scheme is used for numerical analysis of auto-body panel stamping processes. Analyzed auto-panel stamping process correction of forming using common use software called Dynaform using dynamic extensive method. The developed algorithm is also capable of calculating the diagram black shapes as the initial state of binder wrap condition for large scale parts such as a fender or a rear quarter part. Further, the simulated results for the total auto-body panel stamping processes are shown and discussed. Its application is being increased especially in the automotive industrial area for the cost reduction. weight saving, and improvement of strength.

寄生蟲의 管理 및 知識에 關한 調査 : 一部農村地域의 住民을 中心으로

申蓮心,文宰奎,鄭耀翰 朝鮮大學校 醫學硏究所 1980 The Medical Journal of Chosun University Vol.- No.-

In this survey attempts were made to investigate the degree of medical knowledge and control to parasitic infections from 632 inhabitants at Om-chun Myeon and Sin-jun Myeon, Gang-jin Gun, Chonnam, Korea for a month (from 1970, August 1st to 31th). Major findings obtained from this survey can be summarized as followings : 1) Respondents who recognized all resources of parasitic infections were 8.2% (M : 12.8%, F : 4.2%), who recognized them partially 68.5% (M : 77.8%, F : 60.3%) and who recognized none 23.3% (M : 9.4%, F : 35.5%). 2) 31.8% (M : 34%, F : 29.9%) of examiness after examination of parasites were reinfected with parasites, and 68.2% (M : 66.0%, F : 70.1%) of them not reinfected. 3) Examinees who were injured severely in their health by parasitic infections were 47.0% (M : 53.9%, F : 40.9%), 27.4% (M : 21.2%, F : 32.8%) with little injuries and 25.6% (M : 24.9%, F : 26.3%) with no injuries. 4) Only 0.3% (M : 0.7%) of respondents were given a stool test once a year and 99.7% (M : 99.3%, F : 100.0%) of them were not made it. 5) 81.5% (M : 87.2%, F : 76.4%) of examinees did not believe in the results of the stool test and 4.3% (M : 2.7%, F : 5.7%) of them were not confident it and it was not known by 14.2% (M : 10.1 %, F : 17.9%) of them. 6) 3.5% (M : 6.1%, F : 1.2%) of respondents, had a suspicion about parasitic infectio-ns, had gone into the hospital or clinic for diagnosis, 88.3% (M : 90.9%, F : 86.0%) of them were administered anthelmintics, and 8.2% (M : 3.0%, F : 12.8%) of them were non- treated. 7) The respondents who were not given anthelmintics for extermintion of parasites were 94.2% (M : 93.3%, F : 94.9%), but once a year 4.4% (M : 4.8%, F : 4.2%) and twice a year 1.4% (M : 2.0%, F : 0.9%). 8) 2.4% (M : 0.7 % , F : 3.9%) of respondepts washed their hands regularly before every meal and 70.2% (M : 25.9%, F : 34.0%) of them irregularly, but 67.4% (M : 73.4%, F : 62.1%) of them did not. 9) 12.2% (M : 8.4%, F : 5.5%) of the examinees washed their hands regularly after every defecation and 37.7% (M : 43.1%, F : 32.8%) of them irregularly, but 50.2% (M : 48.5%, F : 51.6%) did not 10) 78.2% (M : 93.3%, F : 64.8%) of respondents had experienced eating an uncooked fresh-water fish, but 21.8% (M : 6.7%, F : 35.2%) of them did not. Respondents who have eaten uncooked meet were 92.4% (M : 93.6%, F : 91.3%), but 7.8% (M : 6.4%, F : 8.7%) of them do not.

寄生蟲의 管理 및 知識에 關한 調査 : 一部農村地域의 住民을 中心으로

申蓮心,文宰奎,鄭耀翰 順天鄕大學校 1980 의대논문집 Vol.5 No.-

In this survey attempts were made to investigate the degree of medical knowledge and conrrol to parasitic infections from 632 inhabitants at Om-chun Myeon and Sin-jun Myeon, Gang-jin Gun, Chonnam, Korea for a month (from 1979, August 1st to 31th). Major findings obtained from this survey can be summarized as followings : 1) Respondents who recognized all resources of parasitic infections wcre 8.2% (M : 12.8%, F:4.2%), who recognized them partially 68.5% (M : 77.8%, F : 60.3%) and who recognized none 23.3% (M : 9.4%, F : 35.5%). 2) 31.8% (M : 34%, F : 29.9%) of examiness after examination of parasites were reinfected with parasites, and 68.2% (M : 66.0%, F : 70.1%) of them not reinfected. 3) Examinees who were injured severely in their health by parasitic infections were 47.0% (M : 53.9%, F : 40.9%), 27.4% (M : 21.2%, F : 32.8%) with little injuries and 25.6% (M : 24.9%, F : 26.3%) with no injuries. 4) Only 0.3% (M : 0.7%) of respondents were given a stool test once a year and 99.7%(M : 99.3%, F : 100.0%) of thein were not made it. 5) 81.5% (M : 87.2%, F : 76.4%) of examinees did not believe in the results of the stool test and 4.3% (M : 2.7%, F : 5.7%) of them were not confident it and it was not known by 14.2% (M : 10.1%, F : 17.9%) of them. 6) 3.5% (M : 6.1%, F: 1.2%) of respondents, had a suspicion about parasitic infections, had gone into the hospital or clinic for diagnosis, 88.3% (M : 90.9%, F : 86.0%) of them were administered anthelmintics, and 8.2% (M : 3.0%, F: 12.8%) of them were non-treated. 7) The respondents who were not given anthelmintics for extermintion of parasites were 94.2% (M : 93.3%, F : 94.9%), but once a year 4.4% (M : 4.8%, F : 4.2%) and twice a year 1.4% (M : 2.0%, F : 0.9%). 8) 2.4% (M : 0.7%, F : 3.9%) of respondents washed their hands regularly before every meal and 70.2% (M : 25.9%, F : 34.0%) of them irregularly, but 67.4% (M : 73.4%, F : 62.1%) of them did not. 9) 12.2% (M : 8.4%, F : 5.5%) of the examinees washed their hands regularly after every defecation and 37.7% (M : 43.1%, F : 32.8%) of them irregularly, but 50.2% (M : 48.5%, F : 51.6%) did not. 10) 78.2% (M : 93.3%, F : 64.8%) of respondents had experienced eating an uncooked fresh-water fish, but 21.8% (M : 6.7%, F : 35.2%) of them did not. Respondents who have eaten uncooked meet were 92.4% (M : 93.6%, F : 91.3%), but 7.8% (M : 6.4%, F: 8.7%) of them do not.

老朽化된 R.C 아치 橋梁의 動的特性에 關한 實驗的 硏究

신재철,이우상,조창주 忠南大學校 産業技術硏究所 1997 산업기술연구논문집 Vol.12 No.2

In most countries road bridges are subjected to increasingly heavy freight traffic with a number of exceptional truck loads. This has made it necessary to devote particular attention to the dynamic beavior and dynamic property of bridges, which is a vital process in the decision-making for maintenance, repair, strengthening, or evenreplacement of existing road bridges. However, most countries including Korea do not have a comprehensive rating system or rating code. Furthermore, the current methods of rating of road bridges are dependent on the conventional design concepts and the safety parameters of the current bridge design codes. This study is carried out in order to measure dynamic response of arch bridge by dynamic loading test and investigate dynamic properties-natural frequency, mode shape, impact factor, damping ratio, DAF-of bridge by response analysis. From this study, It is estimated that dynamic behavior and the degree of old, damages of arch bridge.

학습자의 수준에 따라 개별화한 중학교 과학 코스웨어 연구

신현기,김재현 공주대학교 사범대학 과학교육연구소 1996 과학교육연구 Vol.27 No.1

본 연구에서는 중학교 2학년 과학 제Ⅰ단원 `물질의 구성` 중 제1절 `화합물과 원소`를 학습할 수 있는 코스웨어를 IBM-PC 컴퓨터와 GW-BASIC을 이용하여 개발하였다. 학습 수준이 서로 다른 세 가지 과정을 학습자가 스스로 선택하여 학습할 수 있도록 개발함으로써, 학습자의 수준에 맞는 개별 학습이 가능하도록 하였다. 그리고, 문제 풀이 시 학습자의 응답에 따라 각각 다른 피드백을 제공하였고, 학습 내용의 핵심을 강조하는 메시지에 의한 자극 제시 등을 통하여 학습 효화를 극대화할 수 있는 여러 가지 방안을 도입하여, 개별 학습의 효과를 높이도록 하였다. Courseware for science education is developed to instruct `The compounds and elements` of the unit 1 in the chapter Ⅰof the 2nd year of the middle school science text using IBM personal computer with GW-BASIC. This is consist of the three courses of different level with the same learning-contents to consider learner`s level. So, individualized-learning suitable to learner`s level can be realized. Also, when the learners solve the problems, this courseware offers each different reinforcement or reform feedbacks according to learner`s answer. And it offers stimulations by the message to emphasis learning point. Consequently, this can be utilized to more advanced individualized-instruction.

급성 운동 신경 축삭성 신경병증과 동반된 기관지내 이물 1예

조영신,전웅,이호성,최재성,나주옥,서기현,김용훈 순천향의학연구소 2008 Journal of Soonchunhyang Medical Science Vol.14 No.1

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CZCS(Coastal Zone Color Scanner)에 의해 관측된 제주해역의 생물 생산력 특성

유신재 제주대학교 해양연구소 1993 해양자원연구소연구보고 Vol.17 No.-

Despite the high fish productivity, little has been known for the phytoplankton dynamics and primary productivity of the marine ecosystem adjacent to Cheju Island. The region is under the influence of different water masses with varying strength during the course of the year, which in turn drive the phytoplankton dynamics. To the east of Cheju Island where Tsushima Warm Current passes. the phytoplankton biomass was very low throughout the year. On the other hand, to the west of Cheju Island, active production during spring through autumn due to the frequent runoffs from Changjiang River was observed. This feature contrasts to that of the Yellow Sea where there seems to be typical bimodal peaks in the annual growth of phytoplankton and primary production is kept low during summer by strong stratification.

출력귀환과 스카이 훅 제어 방식에 의한 차량 현가 장치의 성능에 관한 연구

김재열,이규태,송찬일,정동화,서윤종,유신 한국공작기계학회 1996 한국생산제조학회지 Vol.5 No.4

The dynamic model of the suspension system is developed by using both sky-hook control and output feedback control techniques, based on the performance sensitivity index. Many vehicles use sky-hook control theory operated with only one sensor, due to relatively low cost and easy implementation. On the other hand, output feedback control implemented with state variables has difficulties in measuring such as tire deflection, etc.

적외선 열화상 카메라를 이용한 용접 비드의 열 해석

김재열,심재기,양동조,유신 한국공작기계학회 2000 한국공작기계학회 추계학술대회논문집 Vol.2000 No.-

Diagnosis or measurements using Infrared thermoimage hasn't been available. A quick diagnosis and thermal analysis can be possible when that kind of system is introduced to the investigation of each part. In this study, Infrared Camera, Thermovision 900 was used in order to investigate. Infrared Camera usually detects only Infrared wave from the light in order to illustrate the temperature distribution. Infrared diagnosis system can be applied to various field. Also, it is more effective to analyze temperature distribution on the welding parts during welding process. Especially, diagnosis using Infrared camera plays an important role on thermal analysis of Axle Casing Nut for Commercial Vehicles.