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成(성) 연간기획 김영철 : 지방공기업법개정으로 지방공사채 "특수채" 지위부여
김영철 한국지방재정공제회 2014 지방재정 Vol.2014 No.3
지난 6월 3일 지방공기업법 일부 개정법률이 시행되었다. 이번 일부 개정법률에는 그 동안 안전행정부와 지방공사의 숙원이었던 공사채의 특수채 지위 부여가 담겨있다. 이번 법개정으로 지방공사들은 앞으로 채권시장에서 금리수준이 회사채에 비해 낮게 형성되고, 집합투자자의 투자한도가 상향되면서 지방공사의 부채감축 및 재정건전화에 기여할 것으로 기대된다.
맹기석,김영철 忠南大學校 産業技術硏究所 1988 산업기술연구논문집 Vol.3 No.2
An analysis of the cure kinetics of two different bifunctional epoxy resins and aromatic diamine was performed. A series of isothermal differential scanning calorimetry (DSC) runs provided information about the kinetics of cure in the temperature range, 110∼125℃. All kinetics parameters of the curing reaction, including the reaction rate order, activation energy and frequency factor were calculated and reported. Glass transition temperature and extent of the residual exotherm were dependent on temperature.
김영철 대한영상의학회 1992 대한영상의학회지 Vol.28 No.5
Multiple factors including gastroesophageal reflux disease (GERD) were evaluated for a case-control sstudy in Chonnam area to investigate the causative entity of COPD. Data on the multiple causative factors from hospital records and interview survey were analyzed in three groups of COPD (64 cases as case group), normal lung (83cases as control group 1) and non-COPD lung disease (45cases as control group 2). Smoking status, history of adulthood pulmonary infection and frequent histouy of URI, socioeconomic status, and GERD were significantly different between COPD group and control group 1. Drinking control group 2. If control group 1 was used, odds ratio of GERD and COPD was 5.68 (95% confidence interval, 95% CI:2.59-12.45) and 4.81 (95% CI:1.89-10.53) when adjusted by age and smoking status. If control group 2 was used, odds ratio of GERD and COPD was 4.22 (95% CI:1.69-10.56) and 4.59 (95% CI:1.64-12.86) when adjusted by alcohol and adulthood respiratory in infection status. n summary, there result suggested that GERD might play a causative role in the development of COPD.
김영철 한국주거학회 2000 한국주거학회 논문집 Vol.11 No.2
Lived space, i.e. space as we experience it in our mundane life, does not exist independently of material objects: it is defined, delimited and made sensible by them. Concrete spaces so manifest are not sterile and neutral homogeneous voids. Not only do they interact with material objects but also influence our feelings and behaviour, constituting emotionally charged fields. This field dynamics of space is readily observed in the phenomenon of place as well as in the etymology and usage of the word 'place'. Each space is pervaded by a particular mood or atmosphere in accordance with its size and shape as well as with the perceptual properties of its constituent objects. Moreover, within each space the atmosphere also changes depending on the location. Space then can be thought of as a nonhomogeneous field of emotional energy. The fact that one is attracted to some places and repulsed by others may be described as one's being subject to invisible forces of pulls and pushes, attractions and repulsions. Out spatial environment is therefore a field of forces of varying directions and magnitudes.
내시경적 유두 괄약근 절개술 후 복강경 담낭 절제술의 효과
김영철,최상용,최원준,김창덕,정기훈,송태진,서성옥,채기봉 대한소화기내시경학회 1998 Clinical Endoscopy Vol.18 No.3
Background/Aims: There are some options which exist in the optimal treatment of Common Bile Duct (CBD) stones. The management of CBD stones by a preoperative Endoscopic Sphincterotomy (EST) and a Laparoscopic Cholecystectomy (LC) remains controveraial. This study intends to investigate the value of an EST before an LC in patients with CBD stones compared with a conventional Open Cholecystectomy (OC) with a Common Bile Duct Exploration (CBDE). Methods: Sixty three patients underwent an EST before an LC, while 65 patients received an OC with a CBDE were reviewed retrospectively for a 42 month period from January, 1993 to June, 1996. Results: There was no statistical significance of stone numbers and sizes in both groups (p$gt;0.05), but the EST before the LC group a showed a shorter hospital stay (12.2 days:19.8 days, p $lt; 0.05). The complication rate in conventional OC with the CBDE group was greater but it was not statistically significant(p$gt;0.05). Rate of stone recurrence and remnant stones in the OC with CBDE group (50.8%) was ater than the EST before LC group (25.4%)(p $lt;0.05). The total hospitalization fee in the EST before LC group was lesser than the OC with CBDE group (p$lt;0.05). Conclusions: An EST before an LC is a valuable option for patients with gall stones and simultaneous choledocholithiasis and is suitable according to recent trends in the minimal invasive approach. It needs however, larger group evaluation in order to determine the accurate indications and proper patient selection for this procedure.
공황장애와 범불안장애 환자에서의 봉황증과 정신증상의 비교
김영철 대한신경정신의학회 1996 신경정신의학 Vol.35 No.2
In order to examine differences of panic and psychiatric symptoms between panic disorder and generalized anxiety disorder, the author compared 26 subjects with generalized anxiety disorder( contxol group) and 121 subjects with panic attacks(patients group), and 61 subjects with panic disorder(panic disorder group) and the others(panic group), who visited the neuropsychiatric clinic of Ewha Womans University Mokdong Hospital. Subjects with panic disorder were shown to have dyspnea, dizziness and fear of death more frequently than controls. Mean severity of symptoms in dyspnea, dizziness, trembling and fear of death were higher in patients with panic disorder than those in controls. Compared to controls, patients with panic disorder exhibited elevated score of phobic anxiety on self rating SCL-90-R
김영철,Kim, Young-Cheol 대한전자공학회 2005 電子工學會論文誌-SD (Semiconductor and devices) Vol.42 No.9
특정한 각으로 입사하는 가간섭인 평행광선들에 의한 간섭무뉘는 1차원 정보로서 표현되는 회절격자와 흡사한 홀로그램을 구성하며, 이러한 홀로그램을 1차원 홀로그램이라 제안한다. 1차원 홀로그램을 이용하여 표시장치의 구성이 가능하며, 간단한 광 컴퓨팅구조로서 빠르게 간섭무늬를 계산할 수 있다. 이러한 표시장치를 구성하는 방법을 제시한다. Coherent parallel rays from some special angle form interference pattern that seems like a diffraction lattice. This is a hologram which is expressed by 1 dimensional information. I suggest to call this as 1 dimensional hologram By using 1 dimensional hologram it is possible to make a display device. Simple optical computing structure can calculate interference pattern fast.