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객체에 근거한 선호도 제약 중심 스케줄링 언어와 성능향상 기법
이기철,문정모,송성헌 한국경영과학회 1995 經營 科學 Vol.12 No.2
For a complex scheduling system like time table construction, its optimal solution, if exists, is hard to obtain. In this paper, the scheduling environment is reasonably confined as where objects have their own events competing for better slots on boards, and objects have their own board slot preferences and belong to one or more classes of the society which globally constrains them. Here, two phase method is suggested, where the first phase is human-like preference dirven and the second phase is for fine tuning by considering all the factors given. Designed and implemented in our system HI-SCHED are dynamic object switching, temporal-constraint-driven intelligent backtracking, case-based revisions, object-based approach, and so on. Some satisfaction degrees are also defined to measure the usefulness of our method. In addition, look-ahead dynamic object switching is considered, and additional global constraints are introduced and processed. A simple scheme is also used to verify the usefulness of the post processing scheme.
최병렬,이지영,송기철,조정효 대전대학교 한방병원 2002 惠和醫學 Vol.11 No.1
After treating a patient suffering from hepatitis A, a significant result is gained as follows. This study was done from the patient who were at the Oriental Medicine Hospital of Daejeon University during 20 days, from 5. 22 to 6. 9, 2001. A 26-year-old patient had complained an general body jaundice, fatigue, nausea, dizziness and general body weakness. During the hospital periods, the kinds of therapy are acupuncture and Herbal Medication. Given the treatment, he felt so satisfied about his symptom's improvement, and the numerical value of a laboratory examination was improved.
Effects of Inonotus obliquus Extracts on Immunomodulating Activity
Song, Kee-Cheol,Choi, Byung-Lyul,Shin, Jang-Woo,Son, Jin-Young,Yoo, Hwa-Seung,Cho, Jung-Hyo,Lee, Yeon-Weol,Son, Chang-Gue,Cho, Chong-Kwan The Society of Korean Medicine 2007 대한한의학회지 Vol.28 No.4
Aim : This study aimed at elucidating the effects of Inonotus obliquus on anti-tumor effects in vivo and immune-based characterization of the mushroom as a potential candidate for cancer remedy. Methods : To investigate the immunomodulatory effects of Inonotus obliquus, we investigated macrophage functions and NK cell activities through the measurement of NO production of macrophage, NK cell cytotoxicity and expressions of cytokines and genes regulating immune responses, in addition to pulmonary metastasis model in vivo. Results : Inonotus obliquus showed general cytotoxicity at high concentrations over the 100 ${\mu}g/m{\ell}$ on the both of normal and cancer cell lines. Inonotus obliquus showed both inhibitory and promotive effects on pulmonary colonization of CT-26 cell depending on period or route of administration in vivo. Conclusion : From these results, it cannot be concluded that Inonotus obliquus has cancer-specific activity. Furthermore, Inonotus obliquus has the provability to show adverse effects differently according to the concentration and the method of administration.
A CYBER SECURITY RISK ASSESSMENT FOR THE DESIGN OF I&C SYSTEMS IN NUCLEAR POWER PLANTS
Song, Jae-Gu,Lee, Jung-Woon,Lee, Cheol-Kwon,Kwon, Kee-Choon,Lee, Dong-Young Korean Nuclear Society 2012 Nuclear Engineering and Technology Vol.44 No.8
The applications of computers and communication system and network technologies in nuclear power plants have expanded recently. This application of digital technologies to the instrumentation and control systems of nuclear power plants brings with it the cyber security concerns similar to other critical infrastructures. Cyber security risk assessments for digital instrumentation and control systems have become more crucial in the development of new systems and in the operation of existing systems. Although the instrumentation and control systems of nuclear power plants are similar to industrial control systems, the former have specifications that differ from the latter in terms of architecture and function, in order to satisfy nuclear safety requirements, which need different methods for the application of cyber security risk assessment. In this paper, the characteristics of nuclear power plant instrumentation and control systems are described, and the considerations needed when conducting cyber security risk assessments in accordance with the lifecycle process of instrumentation and control systems are discussed. For cyber security risk assessments of instrumentation and control systems, the activities and considerations necessary for assessments during the system design phase or component design and equipment supply phase are presented in the following 6 steps: 1) System Identification and Cyber Security Modeling, 2) Asset and Impact Analysis, 3) Threat Analysis, 4) Vulnerability Analysis, 5) Security Control Design, and 6) Penetration test. The results from an application of the method to a digital reactor protection system are described.
Song, Bong-Il,Lee, Sang-Woo,Jeong, Shin Young,Chae, Yee Soo,Lee, Won Kee,Ahn, Byeong-Cheol,Lee, Jaetae Society of Nuclear Medicine 2012 The Journal of nuclear medicine Vol.53 No.9
<P>This study assessed the maximum standardized uptake value of metastatic axillary lymph nodes in patients with invasive ductal breast cancer (IDC) to determine the pretreatment prognostic value of (18)F-FDG PET/CT for disease-free survival (DFS).</P>
원예치료가 만성정신분열증 환자의 자아존중감 및 사회성 향상에 미치는 영향
손기철,엄수진,김수연,송종은,백기엽 충북대학교 첨단원예기술개발연구센터 2000 연구보고서 Vol.5 No.-
만성정신분열증 환자들은 장기간의 치료를 필요로 하고, 지금까지는 대부분의 환자들이 약물치료나 전통적인 정신치료에만 의존해왔다. 최근에는 정신분열증 환자치료에 있어서 여러 가지 사회 재활 프로그램이 도입되고 있는 실정이나 원예치료프로그램의 적용사례는 미비한 실정이다. 이에 본 연구는 원예치료가 만성정신분열증 환자의 자아존중감 및 사회성 향상에 미치는 효과를 알아보기 위하여 음성 꽃동네 정신분열증 환자 남녀 대조군 20명, 치료군 남녀 25명을 선정하여 실험을 실시하였다. 대조군 20명에게는 원예치료를 실시하지 않았으나, 치료군 25명에게는 주 2회씩 2000년 4월 13일부터 9월 7일까지 원예치료를 실시하였다. 치료효과 검증을 위해 원예활동 평가표(evaluation of horticultural activity), 사회행동척도(social behavior scale), 자아존중감척도(self-esteem Scale), 인간관계측정지, 간이정신건강진단지(SCL-90-R) 등을 치료 전후로 시행하여 비교하였다. 자아존중감과 인간관계측정지에서는 대조군에서는 유의한 결과가 보이지 않은 반면, 치료군에서는 향상된 결과를 볼 수 있었다. 사회행동척도에서는 언어적인면보다 비언어적인면, 대화의 내용에서 치료군만 유의하게 향상된 결과를 보였다. 간이정신건강진단지 평가는 불안, 우울, 대인예민성 부분에서 역시 치료군만 유의하게 호전된 효과를 볼 수 있었다. 또한 신체화, 강박증, 적대감, 공포불안, 편집증 등이 호전된 것으로 보여졌으나 통계적으로 유의한 차이는 나타나지 않았다. 원예활동평가에서는 참여성과 자아개념 및 주체성에서 유의한 차이를 볼 수 있었다. 따라서 원예치료프로그램은 우울ㆍ폐쇄적인 대인관계를 보이는 정신분열증 환자들에게 심리ㆍ정서면과 사회성 향상에 효과적이라 판단된다. 또한 원예치료프로그램을 치료적인 목적뿐만 아니라 직업재활의 한 방면으로 이용가능 할 것이라 판단된다.