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조용만,이영기,강흥식,리건영,이천동,오상수 대한골절학회 1997 대한골절학회지 Vol.10 No.1
The authors surveyed the clinical study of 17cases of scaphoid fractures from March 1989 to September 1994 with minimal I year follow up at Department of Orthopedic Surgery, Lee-Rha general Hospital. The following conclusions were obtained through clinical survey. l. Of all l 7 cases, they were l3 males and 4 females; Among the 13 males, 10 cases were aged between 20 and 39 years. forming 56.8% of all. 2. All 17 cases were treated by open reduction. Unions were obtained at average l l.5 weeks in 7 cases treated with Herbert screw fixation and l 2 weeks in l 0 cases treated with K-wire fixation. 3. Two of ten K-wire treated cases resulted in delayed union, one of seven Herbert screw treated cases resulted in delayed union. 4. Unions were obtained at average 20 weeks in 3 cases of delayed union. We concluded that open reduction and K-wire fixation were recomanded for the compatible treatment method of displaced waist fracture of scaphoid.
生産性을 考慮한 切削加工에 對한 最適切削條件의 自動選定에 關한 硏究
李吉雨,金泳祥 홍익대학교 산업기술연구소 1996 産業技術 Vol.6 No.-
In recent years machining turns to flexible manufacturing. Industry in machining requires to increase machining productivity and to reduce costs. To adapt this trend it is necessary to optimize machining condition Even though many researches in this are introduced various way to set the optimal condition, still there are not enough. Therefore this research was done to select the optimal cutting condition for industry, and to develope the computer program to select the optimal cutting condition automatically. Also, this program was applied to many companies, and compare costs per minute. The results of this research will contribute to increase machining productivity of various companies with the automatic selection of optimal cutting condition.
승모판막구 협착증의 수술료법(31례보고)-1- : Report of 31 Cases
이영균,강중구,민성기,임창제,이원영,강형운 中央醫學社 1940 中央醫學 Vol.9 No.6
Mitral Commissurotomy was done for thirty one cases of mitral stenosis. Two uses were operated on under extracorporeal circulation. There was one operative mortality This case expired after blind mitral commissurotomy suddenly three days post-operatively. The patients were followed for one month to five years Eighty percent showed long-term improvement. Three cases showed no improvement. In one case moderate and in two mild degree of regurgitation was created by blind commissurotomy. In three apical diastolic murmur disappeared almost completely after operation but in the rest murmur persisted with diminished intensity.
화상회의시스템 구축을 위한 실시간 멀티미디어 통신시스템 설계
이상준,서영건,오해석 崇實大學校 生産技術硏究所 1995 論文集 Vol.25 No.1
We can save the moving time for taking part in meeting through the remote conferencing system. We can quickly make a decision by using video conferencing system in real-time. In this paper, we designed an prototype model of multimedia conferencing system that contained the CSCW concept. The designed system is composed of audio server, video server, and document server, and they formulate audio subsystem, video subsystem, and document subsystem respectively. The result of this paper can provide base technology of implementing conferencing system, which may be enough to develop multimedia conferencing system for using voices, still images, full motion images in communication protocol.
국내에서 유행하는 HIV의 전파 경로에 따른 Subtype 분포
이주실,남정구,김성순,강춘,최병선,김옥진,박미선,성봉모,서순덕,전수경,변승옥,신영오,조해월 대한감염학회 2001 감염 Vol.33 No.5
Background : Previous data have been reported that subtype B is prevalent in South Korea, but neither the extent nor the proportion of subtypes could be evaluated. This study was designed to analyze the distribution of HIV-1 subtypes, temporal instructions and transmission dynamics between epidemiological groups. Methods : 1,280 Koreans had been diagnosed as HIV seropositive during the period 1985 to 2000. Among them, 134 individuals were selected for this molecular epidemiological study. 134 DNAs were isolated from uncultured or cultured peripheral blood mononuclear cells. V3-V5 (0.7 kb) fragment of HIV-1 env gene was amplified by nested polymerase chain reaction and was sequenced. Results : HIV-1 isolates from thirty-seven homosexuals were all subtype B (100%). On the other hand, 66 isolates from 94 heterosexuals were subtype B (70%) and 28 were non B subtypes (30% : 13 A, 4 C, 2 D, 8 E , 1 G). Only subtype B strains were isolated from 73 males who were infected with HIV inside Korea while 16 B and 20 non B subtype strains were isolated from 36 males who were HIV infected outside of Korea. However, B and non B strains were isolated half and half from females who were infected inside Korea except one. Conclusion : The HIV-1 subtype B strains are prevalent in Korea from the early HIV infection until present in both homo and heterosexuals. Non B strains have been transmitted from men who were infected outside Korea to their spouses and casual partners. So, we need further study to monitor subtype B and non B HIV transmission in epidemiological groups of Korea, (Korean J Infect Dis 33:311∼318, 2001)
이연리,김보경,최원호,김태경,이창권,배영민,조성일 건국대학교 의과학연구소 2004 건국의과학학술지 Vol.14 No.-
Smooth muscle contraction is regulated by intracellular Ca^(2+) ([Ca^(2+)]_(i)) and the phosphorylation of myosin light chain (MLC). However, various kinds of vasoconstrictors induce a further contraction at a given [Ca^(2+)]_(i), and elicit a sustained contraction under Ca^(2+) -depleted conditions, referred to as "Ca^(2+) -sensitization", in intact and membrane-pen-neabilized smooth muscle. Previously, several molecules, including protein kinase C (PKC), RhoA, and mitogen-activated protein kinases (MAPK), have been suggested as candidate regulators of Ca^(2+) -sensitization. In the present review, we describe the role of PKC, RhoA, and MAPK in the regulation of Ca^(2+) -sensitization, and suggest a new model in research for the regulation of smooth muscle contraction.