데이터베이스 산업(産業)의 현황(現況)과 육성방안

서태설,최명규,Seo, Tae-Sul,Choi, Myoung-Gyu 한국과학기술정보연구원 과학기술정보센터 1992 Journal of Information Science Theory and Practice Vol.23 No.4

본(本) 연구(硏究)에서는 국내(國內) 데이터베이스 산업(産業)의 육성방안(育成方案)을 모색하기 위하여 데이터베이스의 정의(定義), 분류(分類) 및 그 산업구조(産業構造)를 제시하였으며, 세계(世界) 및 국내(國內)의 데이터베이스 발달과정(發達過程)과 산업현황(産業現況)을 살펴본 후 국내(國內) 데이터베이스 산업(産業)의 문제점(問題點)을 지적하고, 그 육성방안(育成方案)을 제안하였다. The purpose of this study is to grope for policy to foster the database industry of Korea. Then, this study suggests a definition, classifications and the industry structure of database, and presents the developing processes of both world and Korea database industry. Finally, the problems of domestic database industry of Korea are pointed out and the policy to foster it is suggested.

주형용 신속조형기 및 전산모사 기술을 활용한 주물 시제품 개발

유승목(Seung-Mok Yoo),최명규(Myoung-Gyu Choi),김정인(Jeong-In Kim),최정길(Jeong-Kil Choi) (사)한국CDE학회 2006 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2006 No.2

Intraluminal High-Dose-Rate Brachytherapy for the Tumors of Gastrointestinal Tract

최병옥(Byung Ock Choi),최일봉(Ihl Bhong Choi),정수미(Su mi Chung),김인아(In Ah Kim),최명규(Myoung Gyu Choi),장석균(Suk Kyun Chang),신경섭(Kyeong Sub Shinn) 대한방사선종양학회 1995 Radiation Oncology Journal Vol.13 No.3

목적 : 위장관종양에 대한 고선량율 강내 방사선치료의 결과를 분석하고자 하였다. 방법 : 카톨릭의대 성모병원 치료방사선과에서는 1991년 2월부터 1993년 7월까지 18명의 수술을 할 수 없는 중증의 위장관종양 환자들(식도암-8, 직장암-10)을 대상으로 Iridium-192을 사용하여 원격조정 고선량율 강내 방사선치료에 대한 후향적 분석을 하였다. 연령 분포는 47-87세로, 평균 71세였다. 모든 환자들은 이전에 수술적 조작을 받은적이 없었고, 외부 방사선치료 이후 2주 이내에 고선량율 강내 방사선치료를 하였으며, 고선량율 강내 방사선치료의 일일 조사량은 3-5 Gy(3-4회/1주), 총 조사량은 12-20Gy로 평균 17Gy였다. 외부방사선 총 조사량은 41.4-59.4Gy로 평균 49.6Gy였다. 추적기간은 3개월에서 31개월이었고, 중앙추적기간은 19개월이었다. 결과 : 식도암에서 완전관해와 부분관해는 각각 38%로 같은 결과를 보였으며, 중앙 생존기간과 2년 생존율은 10개월과 13%였다. 직장암 10명 중 60%의 환자에서 부분반응을 보였으며, 완전반응은 없었지만, 모든 환자에서 현저한 증상개선을 보였다. 저자는 고선량율 강내 방사선 일일 조사량 및 총 조사량, 외부방사선 조사량이 국소반응율과 생존율에 미치는 영향을 분석, 조사하였다. 이 중, 고선량율 강내 방사선 일일 조사량 및 총 조사량이 직장암의 국소반응율에 가장 큰 영향을 미쳤으며, 이는 통계적 유의성을 보였다 (p<0.05). 식도암에서는 고선량율 강내 방사선 총 조사량이 국소반응율과 생존율에 각각 영향을 미쳤으나, 이는 통계적 유의성은 없었다. 또한, 외부방사선 조사량은 모든 환자에게서 국소반응율과 생존율에 영향을 미치지 않는 것으로 나타났다. 모든 환자들에게서 치료 후 현저한 증상개선을 보였으며, 합병증은 대부분의 환자에서 발생하였는데, 대개의 경우 그 증상이 미비하였고, 수일 이내에 회복되었다. 결론 : 이 논문에서는 상대적으로 짧은 추적기간과 적은 수의 환자들을 대상으로 분석을 하였으나, 고선량율 강내 방사선치료 조작은 위장관 종양의 치료에서 외부 방사선치료의 추가적 요법으로 사용할 수 있을 것으로 생각된다. Purpose : Intraluminal high dose rate brachytherapy is an accepted treatment for the tumors of GI tract. However, there is only some limited clinical data for intraluminal high dose rate brachytherapy for the tumors of GI tract. Materials and Methods : Between February 1991 and July 1993, 18 patients who have the tumors of GI tract (esophageal cancer-8 cases, rectal cancer-10 cases) were treated with high dose rate Iridium-192 afterloading system (Microselectron-HDR, Nucleron CO, Netherland) at the department of therapeutic radiology, St. Mary's hospital. Catholic university medical college. Age rage was 47-87 years with a mean age 71 years. All patients were treated with intraluminal high dose rate brachytherapy within two weeks after conventional external radiation therapy and received 3-5 Gy/fraction 3-4 times per week to a total dose 12-20 Gy (mean 17 Gy), Standard fractionation and conventional dose were delivered for external radiation therapy. Total dose of external radiation therapy ranged 41.4-59.4 Gy(mean 49.6Gy). Median follow up was 19 months. Results : The analysis was based on 18 patients. The complete response and partial response in esophageal cancer wassimilar (38%). Two year rates for survival and median survival were 13% and 10 months, respectively. Among 10 patients of rectal cancers, partial response was obtained in 6 patients (60%). There was no complete response in the patients with rectal cancer, but good palliative results were achieved in all patients. Conclusion : Although the number of patients was not large and the follow-up period was relatively short, these findings suggested that intraluminal high dose rate brachytherapy could be useful in the treatment of the patients with advanced tumors of GI tract.

Nano-CMOSFET를 위한 플라즈마-질화막의 초기 산화막 성장방법에 따른 소자 특성과 저주파 잡음 특성 분석

주한수,한인식,구태규,유옥상,최원호,최명규,이가원,이희덕,Joo, Han-Soo,Han, In-Shik,Goo, Tae-Gyu,Yoo, Ook-Sang,Choi, Won-Ho,Choi, Myoung-Gyu,Lee, Ga-Won,Lee, Hi-Deok 한국전기전자재료학회 2007 전기전자재료학회논문지 Vol.20 No.1

In this paper, two kinds of initial oxidation methods i.e., SLTO(Slow Low Temperature Oxidation: $700^{\circ}C$) and RTO(Rapid Thermal Oxidation: $850^{\circ}C$) are applied prior to the plasma nitridation for ultra thin oxide of RPNO (Remote Plasma Nitrided Oxide). It is observed that SLTO has superior characteristics to RTO such as lower SS(Sub-threshold Slope) and improved Ion-Ioff characteristics. Low frequency noise characteristics of SLTO also showed better than RTO both in linear and saturation regime. It is shown that flicker noise is dominated by carrier number fluctuation in the channel region. Therefore, SLTO is promising for nano-scale CMOS technology with ultra thin gate oxide.

아세클로페낙 고체분산체의 특성 및 용출를 개선

김윤태(Yun Tae Kim),박현진(Hyun Jin Park),이영현(Young Hyun Lee),홍희경(Hee Kyung Hong),엄신(Shin Eom),김용기(Yong Ki Kim),이온용(Eun Yong Lee),최명규(Myoung Gyu Choi),이재준(Jae Jun Lee),조용백(Yong Baik Cho),강길선(Gil Son Khang) 한국고분자학회 2009 폴리머 Vol.33 No.6

용종제거술로 절제한 대장 과립세포종 1예

최규용,정인식,정규원,김부성,선희식,차상복,최영진,이안희,최재경,최명규 대한소화기내시경학회 1991 Clinical Endoscopy Vol.11 No.2

This case report describes a patient with semipedunclated granuylar cell tumor(granular cell myoblastoma) of the proximal ascending colon removed by endoscopic polypectomy. A 39-year old femalie was visited to our hospital for intermittent abdominal pain and loose stool. Colonoscopic examination showed a semipedunclated lesion covered with yellowish white smooth mucosa in the proximal ascending colon. The tumor was removed by endoscopic polypectomy. The collected specimen was 0.9x0.8 cm in size. The cut surface of the specimen showed a white round firm tumor covered with mormal epithelium of the colon. Using immunohistochemical study, the tumor cells were to be positively stained by S-100 protein and negatively stained by desmin, which supports the concept of the Schwann cell origin of granular cell tumor. In Korea, 2 cases of granular cell tumor of the colon and rectum, which were treated by surgical removal, have been reported. This case in the first endoscopic polypectomy of granular cell tumor of the colon and retum in Korea. The endoscopic polypectomy is thought to be useful for the therapy of small pedunclated or semipedunclated granular cell tumor, intracolonic type.

不動産投資會社REITs)에 대한 個人 投資者 信賴 要因의 實證的 硏究

배재면,최명규,신민철 한국부동산분석학회 2002 不動産學硏究 Vol.8 No.1

Real estate products appear to be a classical example of high-involvement products to most consumers, which indicates that individual consumers go through a complex decision-making process when they purchase or invest in real estate products. Accordingly, in order to be able to increase the exchange of real estate products, it is essential to quantitatively understand the antecedent factors affecting the decision-making process. The REITs is a system of " investment conduit" which gives its investment returns back to the individual investors who invest in the REITs. many real estate specialists have pointed out that the transparency of and the trust in the real estate companies including the REITs should be secured before the introduction of real estate investment trusts(REITs) to the Korean real estate market turns out to be successful. In this context, it seems really essential to understand the role of trust in affecting the real estate investment decision and the role of antecedent variables affecting the trust. Unfortunately, there has been no such research on the subject in the context of real estate services in Korea. In this respect, the purpose of this paper is to quantitatively explain the relationships between the trust of individual investors in REITs and other antecedent variables leading to trust. From the perspective of marketing management of REITs companies and based upon the findings of previous studies on the relationships between trust and various marketing communications, trust and transaction specific assets were selected as first and second antecedent variables. As for data collection methods, scenario planning technique and survey questionnaires were used. Collected data were analyzed via SPSS Windows 10. The major findings of this study are as follows. First, integrated marketing communication was found to be positively related to individual investors' trust and investment intention. Second, transaction specific assets were found to be positively related to investors' trust. Third, investors' trust is found to be positively associated with investment intention. Based on the findings of this study, the following managerial implications are drawn. First, it is important to accumulate transaction specific assets in terms of physical, financial and human asset specificity, which is likely to lead to higher levels of investors' trust Second, REITs companies should better understand integrated marketing communication and be able to implement it effectively.