코골이 및 폐쇄성 수면무호흡증에서 Laser-assisted Uvulopalatoplasty와 LaserUvulopalatopharyngoplasty의 치료 성적 : 장기추적관찰후 환자 만족도 조사

김재호,이윤식,박형욱,송용진,남순열,김용재,이봉재 대한이비인후과학회 2000 대한이비인후과학회지 두경부외과학 Vol.43 No.2

안면부에 발생한 고정형 스포로트리쿰증 3례

최윤애,류영욱,정재봉,송준영,이규석 啓明大學校 醫科大學 1993 계명의대학술지 Vol.12 No.3

We experienced 3 cases of fixed type cutaneous sporotrichosis confined to the face. Case 1 was a 32-month old child, affected over the nose. Case 2 was a 25-year old man, affected over the left cheek. Case 3 was a 71-year old man, affected over the nose. Histopathologically, chronic granulomatous inflammation with pseudoepitheliomatous hyperplasia was observed. Mycologically, typical dark brown to black colored colonines with moist, wrinkled and membranous surfaces were cultured. All patients were completely cured by oral administration of saturated KI and itraconazole combined therapy in a short period(40-90 days).

準備運動과 回復技術이 反復出戰走者의 記錄에 미치는 影響

洪在郁,吳貞胤 淸州敎育大學校 1981 論文集 Vol.18 No.-

The purpose of this research was to determine the effects of an absence of a warm-up, a warm-up, and a warm-up Recovery techniques on repeated performances of three all-out trials in the 300m dash. the subjects were 15male college boys who run a total of nine 300 dashes consisting of three trials of each treatment with a 20 minutes rest period between trials on three different testing days Approximately two months later the same pattern of nine 300m dashes was administered a second time. The result of this study shed some new Light on the use of warm-up between repeated performances of events similar to the 300m dash. There is no doubt that the psychological factor plays an important role in affecting the physical subjects Consciously or subconsciously did notgo allout without the warm-up or the warm-up with recovery techniques, because they psychologically felt their performance would be adversely affected without them. of course, in no study can the psychological factor be Completely controlled. However, in this study all 15 subjects hadtwo practice administrations in running two heats of all-out 300m dashes during the conditioning program, before the testing started. The subjects knew how it felt to run this distance all-out and were instructed before the conditioning program that three were no physiological advantage to any one method. It is possible that in this study whatever physiological factors that operated in the warm-up, and warm-up and recovery techniques had a prime in fluence on attaining significant superior performances. One can only speculate what these warm-up may be beneficial are the increase in muscle temperature, the increased rate of blood volume Circulation, and the increase in the oxygen exchange system. The reasons the recovery techniques may have provided some performance advantage are the heart and three omplete removal of all body weight from the Legs during the 15 min rest period. This study indicated performance in repeated trials of the 300m dash does not deteriorate as fast if subject tselevated their Legs followedby a short warm-up than if they just sat for the rest period or sat and warm-up for the rest period. ① statistically significant differences at the .05 le uel were found between the overall means of the two administrations, the methods, and trials, a significant interaction effect was also found between method and trials. ② There are significant simple effects at the .01 level of significance between trials and methods 1, and 2 and between methods attrial3. ③ Tests for simple effects coupled with Tukey's HSD test revealed that by the fime trial3 Comes about, the warm-up with recovery techniques demonstrated significant superiority of performance over no warm-up ④ statistically significant diffenences at the .05 Level were found between the three methods, and among the means between the three trials a significant interaction among methods and trials was also found.

AMATEURISM의 史的 變遷攷(1) : 古典篇 : 古代OLYMPIA競技를 中心으로

洪在郁,吳貞胤 淸州敎育大學校 1981 論文集 Vol.18 No.-

FPGA를 이용한 로봇과 CNC 공작기계용 위치 제어기 개발

김윤기,전재욱 成均館大學校 科學技術硏究所 2000 論文集 Vol.51 No.1

The motion controllers based on microcontrollers and microprocessors have been used to control robots and CNC machine tools. These are composed with large and complex circuits, which may result in large power consumption and additional costs. This paper proposes a one chip motion controller to control the position of each joint in robots and CNC machine tools. The proposed motion controller is designed with a FPGA by using the VHDL.

아크릴로니트릴 제조공정에서 혼합용매를 이용한 아세토니트릴 회수에 관한 연구

김재경,최성욱,이진우,장윤식,박동원 한국공업화학회 2003 응용화학 Vol.7 No.2

We studied on the phase equilibria of quatemary liquid-liquid extraction system containing acetonitrile-water-binary solvent at 25℃, latm, Ethyl acetate Toluene was used as binary solvents. Binodal curve, tie line, distribution and selectivity for each quatemary system have been determined in order to investigate the effect of using binary solvent in extracting acetonitrile from aqueous solution. And these experimental tie-line data were also compared with the values predicted by UNIFAC model. It was shown that UNIFAC model is capable of predicting the tie-line in these quaterrary systems within an average RMSD of 1.45mole%.

서울의 PPNG 발생 빈도(1991-1992)

김재홍,윤기범,박평원,김영진,전경민,김영태,김중환,곽호,구상완,송민석,유옥,지혜구,김동원,문상은,박영립,정승호,성범진,성순제,엄주용,황정열,이기홍,이주협,전태진 대한화학요법학회 1994 대한화학요법학회지 Vol.12 No.1

The prevalence of PPNG among pretreated gonorrhea cases isolated at the STD clinic of Choong-Ku Public Health Center in Seoul has been studied and reported annually since 1981. In 1991, 123 strains of N.gonorrhoeae were isolated, among which 58(47.1%) were PPNG. In 1992, 98 starains of N.gonorrhoeae were isolated, among which 51(52.0%) were PPNG. In all, 109(49.3%) strains were found to be PPNG among 221 strains isolated between 1991-1992. The prevalence of PPNG in Seoul showed increased tendency till 1989, thereafter, it has been stationary or slightly decreasing.

연속 드레싱을 이용한 CNC Creep Feed 연삭기의 개발 및 연삭 평가에 관한 연구

이영욱,정재운,김종관,정윤교 한국공작기계학회 2006 한국공작기계학회 추계학술대회논문집 Vol.2006 No.-

The method of creep feed grinding is an effective technology process. It is used to improve the productivity & efficiency in form grinding. However there are some inherent difficulties throughout the grinding process. The progress of abrasive wear around the cutting edge is remarkable. The grinding force become intense and burn marks occur frequently. To grind a work piece of large length is clearly a tremendously difficult task. Also, domestically, creep feed grinding is a scarce development. We crucially depend on the imports of goods from abroad. Therefore, the purpose of this research is that developing the localization creep feed grinding with continuous dressing device and we must research more into this complex technology to discover the most efficient dressing conditions and dresser to wheel speed ratio(qd).

포도상구균의 약제 내성 및 β-lactamase의 생산에 관하여

양재윤,박상욱,이용진,조규봉,이연태 단국대학교 신소재기술연구소 1994 신소재 Vol.4 No.-

항균제의 오남용으로 내성균의 출혈빈도가 매우 높아져 임상가에서는 환자치료에 어려움이 적지 않다. 특히 많은 균종중에서 병원감염의 문제가 되고 있고 포도상구균에 대한 내성빈도는 환자치료에 중요하다고 판단된다. 따라서, 1992년 12월부터 1993년 2월 사이에 서울대 병원에 내원(來院)한 환자로부터 총 108주의 포도상구균을 분양 받아 항균제 내성검사를 실시하였고 황색포도상구균의 경우는 β-lactamase 생산유무 확인 및 methicillin에 대한 MIC 농도를 비교하였으며, methicillin에 대하여 각기 다른 MIC농도를 갖는 균종에 대한 substrate 분해능 검사를 실시하여 다음과 같은 결론을 얻었다 (1). 항균제 내성검사를 실시한 108주의 포도상구균은 penicillin에 가장 높은 내성을 나타냈다. 황색포도상 구균의 경우는 97%, 표피포도상 구균의 경우 100%, coagulase 음성포도상구균의 경우 95.7%로 나타났다 (2). vancomycin의 경우는 전 균주가 감수성을 나타냈다 (3). methicillin에 대한 내성율은 41.4%로 나타났다. 이 내성균주들은 10가지 검사 항생제중 최고 9가지에 대한 항균제 내성을 나타내어 다약제 내성임을 알 수 있었다 (4). β-lactamase 생산 실험에서는 58균주의 황색포도상 구균중 53주가 양성을 나타내어 91.4%의 결과를 얻었다. β-lactamase 생산균주와 methicillin에 대한 내성균주가 반드시 일치하지는 않았다 (5). Spectrophotometric assay에서는 내성이 높은 균주와 낮은 균주간에 β-lactamase에 의한 substrate 분해능이 서로 유사하게 나와 황색포도상 구균의 methicililin에 대한 내성 획득은 β-lactamase 뿐만이 아닌 penicillin binding protein(PBP)의 구조적 변화로 인한 내성획득도 시사함을 알 수 있다. One hundred and eight Staphylococcus aureus strains were isolated from patients of Seoul National University Hospital from December 1992 to Feburary 1993. All strains were tested for their sensitivities against antibiotics. β-lactamse producing test was also performed in order to know the relationship between the methicillin resistance and β-lactamase production. Its activity was determined by direct spectrophotometric method. Initial velocities of hydrolysis of the antibiotics were monitored at wavelength 323 nm which corresponded to maximal change in absorbance between the unhydrolyzed substrate and the hydrolyzed product. The results are summarized as follows: 1. In antibiotics sensitivity test of 108 isolated strains of Staphylococcus, they showed hightest resistance to penicillin but all of tested strains were susceptible to vancomycin. 2. 41.4% of them showed resistance to methicillin. 3. All methicillin resistant strains were found to be multi-drug resistant, from 3 to 9 antibiotics. 4. 91.4%(53 out of 58) produced β-lactamase, β-lactamase producing strains did not always coincide with the methicillin resistant strains. 5. β-lactamase activities were similar among staphylococus strains, irrespective of their methicillin resistance.

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.