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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.
박영필,노광춘,홍성해 연세대학교 산업기술연구소 1982 논문집 Vol.14 No.2
This paper is concerned with the lateral dynamic stability of a flexible missile with discontinuities. The missible is idealized as a free-free beam with geometrical and material discontinuities subjected to a follower force with directional control. Using the unconstrained variational principle, finite element method is applied to the Euler beam equation to obtain the eigen-matrix eqn. The behaviors of the eigenvalues at various thrusts and the effects of missile are analyzed.
黃連 中 protoberberine의 分離同定에 관한 硏究
이내홍,김영일,임종필,엄동옥 우석대학교 의약품개발연구소 1997 藥學硏究誌 Vol.2 No.-
Tetrathiocyanatocobaltate(Ⅱ) ion is capable to complex compounds with tertiary amine salts or quarternary ammonium salts. And these complex compouds, no soluble in water, are expracted into organic phase, the same as 1,2-dichloroethane, chloroform and dichloromethane. In the investigation of the identification of protoberberine, three compounds were separated by TLC following complex reaction inter protoberberine-TCR. The solution of n-buthanol: acetic acid: water(7:1:2) was eluted on the silica gel plate. In elution of standard solution, the Rf of berberine chloride and palmatine chloride were shown for two compounds smong the three compounds in the case of Coptidis Rhizoma as 0.52 and 0.42, respectively. In order to obtain the information of the third, each compound was also separated with column chromatography as same conditions as TLC and evaluated with IR and mass spectra. As the rsults were showed that the third compound was coptisine, as the moleculer weight was 320.
서울의 Penicillinase Producing Neisseria Gonorrhoeae 발생빈도(1994)
김재홍,안진균,정성재,김영태,김중환,김시영,이석종,이홍렬,서호석,김경훈,권혁진,정우권,고우석,이용석,안필수,오준규,오용섭 대한화학요법학회 1996 대한화학요법학회지 Vol.14 No.1
Background : In recent years gonorrhoea has been panendemic and remains one of the most common Sexually Transmitted Diseases in the world, especially in developing countries. Objective & Method : For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria Gonorrhoeae(PPNG), Ive have been trying to study the patients who have visited the VD Clinic of Choong-Ku Public Health Center in Seoul since 1980 by means of the chromogenic cephalosporin method. Results : In 1994, 168 strains of N. gonorrhoeae were isolated, among which 109 (64,9% ) were PPNG. Conclustion : Our results suggests that the prevalence of PPNG in Seoul is still increasing.
박영필,민병렬,문영현,김상식,조원철,홍준표,이홍림,김재희,오두환 연세대학교 산업기술연구소 1988 논문집 Vol.20 No.2
In accordance with the rapid advance of computer technologies, industries as well as the academic world become to apply the computer to various fields in engineering. Therefore, more realistic and effective computer educations should be provided in engineering colleges. This study proposes some schemes to elevate currently offered computer- related educations in engineering colleges. For this study, 10 major domestic and foreign engineering colleges were surveyed in the aspects of computer- related courses and computer systems offered by the colleges.
양진홍,박규남,최승필,김영민,김세경 대한응급의학회 2001 대한응급의학회지 Vol.12 No.2
Background: There are approximately 2,400 drowning deaths reported every year in Korea, but there are few good reports about submerged patients visiting the emergency room, so this study was designed to investigate the clinical characteristics and outcomes of submerged patients treated at an emergency medical center near the Han river. Methods: A retrospective review of 123 cases of submerged patients admitted to our emergency medical center over a 5 year period from 1996 to 2000 was conducted. Results: Among the 123 submerged patients, there were 66 males and 57 females, and their mean age was 33.18. The common cause of submersions was a suicide attempt, followed by lack of attention, unknown etiology, and water sports such as swimming. Most of the patients were transported to ER by 119 ambulance. In-hospital CPR was performed on 27(22%) cases. At initial ECG rhythm of these cases, asystole was noted if 25 patients; VF and pulseless electrical activity, respectively, were noted in two others. Prehospital CPR had been performed on all in-hospital CPR cases except 2. Prolonged ROSC after succesful CPR was noted in 13 cases, The mean duration of CPR was 26 minutes. Five patients survived after CPR. Their neurologic outcomes were assessed on CPC(cerebral performance category). Three patients were categorized in CPC1, the other two patients were categorized in CPC3 and CPC4. Conclusion: Submerged patient's visits to emergency medical center near the Han river were most frequent in summer for suicide purposes. Drowned patients were more hypothermic than other cardiac arrest cases, and resulted in better outcome even with prolonged arrest time, if they were given appropriate prehospital CPR and aggreissive in-hospital resuscitation.
SDP의 개관 : 쌍대성, 계산복잡성 및 응용 SDP, Its Duality, Complexity and Applications
류춘호,명영수,홍성필 한국경영과학회 2001 한국경영과학회지 Vol.26 No.2
SDP (Semidefinite Programming), as a sort of "cone-LP", optimizes a linear function over the intersection of an affine space and a cone that has the origin as its apex. SDP, however, has been developed in the process of searching for better solution methods for NP-hard combinatorial optimization problems. We surveyed the basic theories necessary to understand SDP researches. First, we examined SDP duality, comparing. It to LP duality, which is essential for the interior point method. Second, we showed that SDP can be optimized from an interior solution in polynomial time with a desired error limit. Finally, we summarized several research papers that showed SDP can improve solution methods for some combinatorial optimization problems, and explained why SDP has become one of the most important research topics in optimization. We tried to integrate SDP theorles, relatively diverse and complicated, to survey research papers with our own perspective, and thus to help researchers to pursue their SDP researches in depth.
심장내로 연장된 정맥내 평활근종증 1예 : 심장내 평활근종증 intracardiac leiomyomatosis-case report and literature review
정재헌,민필기,박소영,변영섭,홍그루,임세중,심원흠 대한내과학회 2003 대한내과학회지 Vol.65 No.2
정맥내 평활근종증은 병리학적으로는 양성 질환이나 진행 양상은 악성으로 모든 종양의 적출술이 시행되어야 하며, 자궁적출술시 병리학적으로 정맥내 평활근종증을 진단받은 경우 정기적인 검사를 통해 종양의 재발이나 하대정맥과 심장내로의 연장을 확인하여야 한다. 우측 심장내 종양이 발견된 경우는 점액종을 포함한 원발성 심내 종양 외에도 다른 원인 질환을 확인하여야 하며, 반드시 정맥내 평활근종증을 감별진단하여야 한다. Intravenous leiomyomatosis is a rare benign vascular tumor defined as the extension into venous channels of a histologically benign smooth muscle tumor arising either from a uterus or from the walls of uterine vessels, and about 10% spread to the heart. The treatment of choice is complete resection of the tumor. Hormonal therapy should be considered in cases of unresectable residual tumor. A 46-year-old woman was admitted for abdominal discomfort and pain. She was found to have intravenous leiomyomatosis of the uterus with extension into inferior vena cava and right atrium. The patient underwent surgery employing simultaneous sternotomy and laparotomy. Radical excision was achieved using cardiopulmonary bypass. We herein describe a patient in whom complete removal of intravenous leiomyomatosis with cardiac extension was successfully performed.
盧澈均,裵英鎬,金洪必 慶一大學校 1991 論文集 Vol.7 No.1
This paper presents a new adaptive control algorithm which is robust with respect to unmodeled dynamics and bounded disturbances. In this algorithm the control law is augmented with a term proportional to the product of output error and the normalizing signal, but the adaptive law is the conventional one used to control the system without unmodeled dynamics and bounded disturbances. The boundedness of parameter estimates and the other signals in the overall system will be proved, and some simulation results are presented.