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송달원(Dal Won Song),여창기(Chang Ki Yeo),송인혁(In Hyuk Song),남영진(Young Jin Nam),이준엽(Jun Yeop Lee),구민본(Min Bon Koo),남성일(Sung Il Nam),안병훈(Byung Hoon Ahn) 대한두경부종양학회 2007 대한두경부 종양학회지 Vol.23 No.1
Background and Objectives :The prevalence rate of laryngeal cancer, the cancer known as good prognosis in comparison to other malignancy, accounts for 1% of all malignancy in Korea(Korea Central Cancer Registry, 2002). The purpose of this study is to review the treatment experiences of our hospital and find prognostic fac-tors in laryngeal cancer patients. Materials and Method :A retrospective study was conducted on 244 laryngeal cancer patients between January 1987 through December 2003. Age, sex, TNM stage, 5 year survival rate, prognostic factors were analyzed. Results :The overall 5 year survival rate was 57.8%. The 5 year survival rate according to primary site and treatment method showed supraglottis 49.5%, glottis 79.2%, transglottis 28.2% and surgery only 71.4%, radio-therapy only 58.1%, post operative radiotherapy 47.2%, salvage operation 52.0%. There was no statistically significant difference among the results obtained by 4 different methods of treatment. but in supraglottis, surgery only has good 5 year survival rate(75.8%) compare to radiotherapy only(38.3%), postoperative radiotherapy (20.0%), salvage operation(43.7%) and there was statistically significant difference. The 5 year survival rate according to clinical stage and T status showed 84.1%, 37.2%, in stage I & II, III & IV respectively, 72.9%, 37.5% in stage T1 & T2, T3 & T4 respectively. The 5 year survival rate according to nodal status showed N(-)77.1%, N(+)35.6%. Conclusion :Those patient with early T stage, early clinical stage, glottic cancer, negative neck node and surgery only patient in supraglottis showed good treatment results in univariate analysis. The clinical stage and primary site of laryngeal cancer were found to be significant prognostic factors in laryngeal cancer patients in multivariate analysis.
부산시내 지하생활권의 공기오염도와 온열인자에 관한 조사연구
최성용,문덕환,이종태,송인혁,이채언,이승민,Choi, Sung-Yong,Moon, Deog-Hwan,Lee, Jong-Tae,Song, In-Hyuk,Lee, Cha-Eun,Lee, Sung-Min 대한예방의학회 1994 Journal of Preventive Medicine and Public Health Vol.27 No.3
For the purpose of preparing the fundamental data on air pollution in underground shopping center and also contributing to the health improvement of residents, the authors measured the level of $SO_2,\;NO_2,\;TSP,\;CO,\;CO_2$ and also some related factors as air temperature, air movement, relative humidity and mean radiation temperature at inside and outside of underground shopping center in Pusan from January to February and from July to August 1994. The results were as follows : 1. The mean concentration of CO within the underground shopping center was $3.1{\pm}1.3ppm$ in winter and $2.1{\pm}0.9ppm$ in summer. There was a negative correlation (p<0.01) between inner CO concentration and temperature in summer and no correlation between inner CO concentration and outer CO concentration in underground shopping center 2. The mean concentration of COE within the underground shopping center was $876{\pm}353ppm$ in winter and $757{\pm}125ppm$ in summer. There was a negative correlation (p<0.01) between inner $CO_2$ concentration and air movement in summer and positive correlation (p<0.05) between inner $CO_2$ concentration and outer $CO_2$ concentration in underground shopping center. 3. The mean concentration of $SO_2$ within a underground shopping center was $0.036{\pm}0.019ppm$ in winter and $0.040{\pm}0.013ppm$ in summer. There was a positive correlation(p<0.01) between inner $SO_2$ concentration and temperature in summer and positive correlation between inner $SO_2$ concentration and outer $SO_2$ concentration in summer and winter in underground shopping center. 4. The mean concentration of $NO_2$ within a underground shopping center was $0.052{\pm}0.038ppm$ in winter and $0.042{\pm}0.016ppm$ in summer. There was a no correlation between inner $SO_2$ concentration and thermal factors in summer and winter and low correlation between inner $SO_2$ concentration and outer $SO_2$ concentration in underground shopping center 5. The mean concentration of TSP within a underground shopping center was $430{\pm}214{\mu}g/m^3$ in winter, $366{\pm}73{\mu}g/m^3$ in summer, and very in excess of the atmospheric environmental quality standards of Korea ($150{\mu}g/m3{\downarrow}$). There was low correlation between inner TSP concentration and temperature in summer and high correlation between inner TSP concentration and outer TSP concentration in underground shopping center.
송인혁(In Hyeok Song),최영석(Young Seok Choi),이경용(Kyoung Yong Lee),김진혁(Jin Hyuk Kim),이재승(Jae Seung Lee),김현철(Hyun Chul Kim),안창구(Chang Koo Ahn),윤준용(Joon Yong Yoon) 대한설비공학회 2017 대한설비공학회 학술발표대회논문집 Vol.2017 No.6
The purpose of this research is to produce experimental equipment to verify the previous research on the operation of district heating pump system. The experimental system was designed and constructed as a reduced model simulating the parallel and combined operation of the district heating pump system. The experimental pump consists of two pumps of the same capacity and one pump of the other capacity, and has the same performance ratio as the district heating pump. In order to confirm the construction state and reliability of the experimental equipment, the performance test of the pump was carried out and the simulation of the same flow distribution and the experimental result were compared for the parallel operation of the pump. Performance tests are consistent with both data provided in pump making, and it was confirmed that the reliability of the experimental apparatus was high by comparing simulation and experimental results.
Grid 서비스를 위한 UDDI 기반의 Repository 시스템에 대한 연구 및 설계
송인혁(In-Hyuk Song),이정훈(Jeong-Hoon Lee),임효상(Hyo-Sang Lim),황규영(Kyu-Young Whang),박형우(Hyoung-Woo Park) 한국정보과학회 2003 한국정보과학회 학술발표논문집 Vol.30 No.2Ⅱ
컴퓨터 기술의 발전과 인터넷의 보급에 따라 분산된 컴퓨팅 자원과 정보를 효과적으로 활용하려는 다양한 연구가 진행되고 있다. 이러한 노력의 일환으로 최근 w3c에서는 분산환경의 표준 프로그래밍 모델로 웹서비스라는 개념을 제시하였다. UDDI는 이러한 환경에서 웹서비스에 대한 메타데이타를 저장하고 이를 검색할 수 있도록 기능을 제공하는 Repository 시스템이다. 웹서비스를 이용하고자 하는 응용프로그램은 UDDI 가 저장한 정보를 검색하여 원하는 웹서비스를 발견하고 이를 활용할 수 있다. 이와 같이 UDDI 는 웹서비스 기반의 분산 응용에서 필요한 디렉토리 서비스기능을 제공하여 분산된 웹서비스의 통합을 지원하는 기반 시스템으로 널리 활용될 것으로 기대된다. 본 논문에서는 w3c에서 제정한 UDDI 3.0 Specification 을 분석하여 Repository 시스템에서 관리해야할 데이터 구조를 설계하고, 제공하는 API 들을 기능별로 분류한다. 그리고 이러한 분석을 토대로 Repository 시스템의 아키텍쳐를 설계한다.
그리드 서비스를 위한 UDDI Repository 시스템의 저장 및 검색 기능의 설계 및 구현
송인혁(In-Hyuk Song),이정훈(Jeong-Hoon Lee),임효상(Hyo-Sang Lim),황규영(Kyu-Young Whang),박형우(Hyoung-Woo Park) 한국정보과학회 2004 한국정보과학회 학술발표논문집 Vol.31 No.1B
UDDI 는 인터넷에 분산되어 있는 웹서비스에 대한 메타 정보를 저장하고 이에 대한 다양한 검색 기능을 제공함으로써 서비스 요청자가 원하는 서비스를 손쉽게 발견할 수 있도록 하는 Repository 시스템이다[1]. 본 논문에서는 Repository 시스템의 데이터 구조 및 아키텍쳐 설계에 관한 선행 연구를 바탕으로 UDDI 3.0 표준 명세를 따르는 Repository 시스템의 저장 및 검색 기능을 설계하고 구현한다. 본 논문은 이를 위해 XML 형태의 UDDI 데이터를 데이터베이스에 효율적으로 저장하기 위한 저장 구조 설계를 설명하고 이를 통한 효율적인 UDDI 저장 기능의 설계와 구현에 관하여 설명한다. 또한 표준에서 명시하는 다양한 검색 방법을 분석하고 저장된 웹서비스 정보를 효율적으로 발견할 수 있도록 하는 검색 기능의 설계와 구현에 관해서 설명한다.
고액 공존영역 온도 열처리에 의한 Al-Si 합금의 초정 구형화
안중호,송인혁,한유동 ( Jung Ho Ahn,In Hyuk Song,Yoo Dong Hahn ) 한국주조공학회 1996 한국주조공학회지 Vol.16 No.6
N/A In the present work, we have investigated the strain-induced melt activation (SIMA) process in Al-8%Si and Al-25%Si alloys. Primary dendrites were transformed into spherical microstrctures by mushy zone heat treatments of the cold-worked alloys., Various processing parameters which govern the sphering of the dendrites have been examined. The result showed that semi-solid alloys having a typically nondendritic spherical microstructure can be easily produced by this method.
게이트 산화막 가장자리에 Air-cavity를 가지는 새로운 구조의 다결정 실리콘 박막 트랜지스터
이민철,정상훈,송인혁,한민구,Lee, Min-Cheol,Jung, Sang-Hoon,Song, In-Hyuk,Han, Min-Koo 대한전기학회 2001 전기학회논문지C Vol.51 No.3
We have proposed and fabricated a new poly-Si TFT employing air-cavities at the edges of gate oxide in order to reduce the vertical electric field induced near the drain due to low dielectric constant of air. Air-cavity has been successfully fabricated by employing the wet etching of gate oxide and APCVD (Atmospheric pressure chemical vapor deposition) oxide deposition. Our experimental results show that the leakage current of the proposed TFT is considerably reduced by the factor of 10 and threshold voltage shift under high gate bias is also reduced because the carrier injection into gate insulator over the drain depletion region is suppressed.