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조민구(Cho Min-Gu),이승희(Lee Seung-Hee),유천열(Ryou Chun-Youl),유재우(Yoo Chae-Woo),송후봉(Song Hoo-Bong) 한국정보과학회 1992 한국정보과학회 학술발표논문집 Vol.19 No.2
급격히 향상된 PC의 성능은 컴퓨터 소비 자원 요소 보다는 사용자의 사용환경을 중요시 하게 하였으며 컴퓨터의 사용을 친밀하게 하고 있다. 그래픽 편집기는 시각적이고 대화적인 프로그램 개발환경과 프로그램 중심적인 편집, 번역, 실행, 디버깅등의 통합된 기능을 지원하는 종합화된 환경을 제공하는 도구 이다. 본 연구에서는 프로그램을 내부적인 추상 구문트리 구조를 구성하고 공유하며 속성문법, 점진적 평가, 순서도, unparsing 기법등을 이용하여 그래픽 편집기 환경을 설계하였다. 또한, 편집기의 기능 확장성과 언어 독립적인 편집기의 적용을 고려 하여 각 기능을 모듈화 하였다.
Smart Antenna를 적용한 OFDM 성능향상에 대한 연구
조민구(Min-Gu Cho),고학림(Hak-Lim Ko) 호서대학교 공업기술연구소 2006 공업기술연구 논문집 Vol.25 No.1
The reduction of the effect of multipath fading is very important for high-speed mobile communications, such as OFDM systems. In this paper, we have analyzed the performance of the OFDM combined with a smart antenna system from the SNR, BER, PER, and throughput points of view. And the simulation results show that the smart antenna system can be good solution for the complex fading channel.
SPME법에 의한 산초나무와 초피나무 잎과 열매의 향기성분 분석
조민구(Min Gu Cho),김휘(Hui Kim),채영암(Young Am Chae) 한국약용작물학회 2003 한국약용작물학회지 Vol.11 No.1
Volatile components in the leaves and fruits of Z. schinifolium and Z. piperitum were analyzed by Headspce SPME(Solid phase Microextraction). Fifty two and 48 components in the leaves and fruits, respectively, were identified in Z. schinifolium. (E)-2-hexenal, α-pinene, (Z)-ocimene+limonene, estragole, germacrene-d were detected at common components in the leaves and estragole in the fruits of Z. schinifolium. Regardless of collection sites hexanal, (Z)-3-hexenol, (E)-2-hexenal, n-hexanol were appeared in the leaves while undecanone in the fruit. Thirty and 27 components in the leaves and fruits, respectively, were identified in Z. piperitum,. α-pinene, β-phellandrene, 1,8-cineole, citronellal and myrcene, (Z)-ocimene+limonene, β-phellandrene were appeared as common components in the leaves and fruits collected from Baeck-yang-sa and Nae-jang-sa. (Z)-3-hexenol, (E)-2-hexenal, α-pinene, mycrene and β-phellandrene, from Baeck-yang-sa and Nae-jang-sa. (Z)-3-hexenol, (E)-2-hexenal, α-pinene, myrcene and β-phellandrene, citronellal, geranyl acetate were major components in the leaves and fruits from Tong-do-sa.
말라리아 환자의 간스캔에서 폐섭취군과 비섭취군의 혈액생화학적 지표 및 임상양상의 비교
안석진 ( Seok Jin Ahn ),박상준 ( Sang Jun Park ),김윤권 ( Yun Kwon Kim ),김영중 ( Young Jung Kim ),김소연 ( So Yon Kim ),조민구 ( Min Gu Cho ),양병윤 ( Byeong Yun Yang ),김종수 ( Jong Soo Kim ),정재혁 ( Jae Hyuk Jung ),김지훈 ( Ji 대한내과학회 2007 대한내과학회지 Vol.73 No.2
Background: Lung uptake during liver scanning has been considered as a passing phenomenon related to several diseases, and especially infectious diseases and malignancy. Some reports have shown diffuse lung uptake during liver scanning of malarial patients. Therefore, we tried to determine the relationship between the abnormalities of the clinical features, including the hematobiochemical indices and the lung uptake during liver scanning, by analyzing the information of the malarial patients. Methods: We performed 99mTechnethium(Tc)-sulfur colloid liver scanning on 20 of the 45 malarial patients who were admitted from 1999 to 2004. We divided them into two groups, the Lung-Uptake (LU) group and the Non-Lung-Uptake (NLU) group. We analyzed the hematobiochemical indices and clinical features, including the respiratory symptoms, between the two groups. Results: 10 of the 20 malarial patients showed lung uptake on the liver scan. The mean platelet counts were 74,000/L and 165,000/L, respectively, in the LU group and the NLU group (p=0.012). Also, the mean total cholesterol levels were 80.3 mg/dL and 105.7 mg/dL, respectively, in the LU group and the NLU group (p=0.033). The scores of the bone marrow (BM) uptake in the LU group were higher than those in the NLU group (p=0.008). Yet the other values such as Hb, ALT, albumin and total bilirubin were not statistically significant, nor were the peak body temperatureand other features. Conclusions: Half of the patients had lung uptake on the liver scanning, and this may be considered as a characteristic of vivax malaria. The BM uptake during liver scanning in the LU group was more increased, and this is supposed to be a consequence of hyperstimulated reticuloendothelial system, which was accompanied by thrombocytopenia and a lower level of total cholesterol in malarial patients.(Korean J Med 73:183-191, 2007)
문창기,박상준,조민구,김영중,김소연,김윤권,정준오,안석진,김은실,서승오,김지훈,최원제,이윤영,박형기,최규영,김현근 대한감염학회 2006 감염과 화학요법 Vol.38 No.6
Background: The purpose of this study was to document the incidence and clinical characteristics of patients with tuberculosis (TB) in combat and auxiliary police, living in a group, in Korea where the incidence rate of active TB in a general population is higher than in Western countries. Materials and Methods:We retrospectively reviewed the medical records of all tuberculosis patients diagnosed at National Police Hospital from January 2002 through December 2004. Results:In 2002-2004, a total of 156 cases of tuberculosis were identified with the mean (Standard deviation) age of 20.6 (±1.0) years. Of these, 134 (85.9%) patients were registered as new cases, 11 (7.1%) as relapse, 2 (1.3%) as failure, 5 (3.1%) as treatment-after-default cases whereas 4 (2.6 %) patients were not included in any categories. Average annual new TB rate and smear-positive TB rate were 86.5/10^(5) and 17.4/10^(5) person-years, respectively. In 12 of 31 smear-positive cases, time from onset of symptoms to diagnosis was more than 30 days. Two multidrug-resistance TB cases were identified and two suspected outbreak episodes of TB had occurred during 3 years. Conclusion:There was no statistically significant difference in the incidence rate of new cases of TB between the general population aged 20 to 29 years and combat and auxiliary police in Korea. 배경 : 국내 결핵의 발생은 감소 추세에 있으나 여전히 후진국형 발생양상을 보이고 있다. 특히 집단생활을 하는 젊은이들에서 발생하는 결핵의 유행이 간헐적으로 알려지고 있어 우려를 낳고 있다. 이에 저자들은 최근 전경대원의 결핵 발병 양상에 대해 알아보고자 본 연구를 시행하였다. 재료 및 방법 : 2002년 1월부터 2004년 12월까지 3년간 경찰병원에서 결핵 진료를 받은 전경대원의 의무기록을 후향적으로 분석하여 연도별 결핵 신환발생률, 도말양성결핵 신환율, 진단 지연, 집단발병, 다제내성결핵을 조사하였다. 결과 : 연도별 결핵 신환자 수(10만명당 발생추정치)는 2002년 50명(83.6명), 2003년 42명(83.7명), 2004년 42명(93.5명)이었고 도말양성 폐결핵 신환자 수는 2002년 10명(16.7명), 2003년 11명(21.9명), 2004년 6명(13.4명)이었다. 3년간 도말양성 폐결핵 환자는 31명이 있었고 그 중 12명은 호흡기 증상 발생 30일이 지나서 진단을 받았다. 다제내성 결핵은 2명이 있었으며 결핵의 집단발병이 의심되는 사례는 2차례 있었다. 결론 : 전경대원과 20-29세 연령군 일반인의 결핵 신환발생률, 도말양성 폐결핵 발생률의 통계적으로 유의한 차이는 없었다.