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비구조적 퍼지 의사결정지원시스템을 활용한 건설재해 예방대책에 관한 연구
이용준,정성춘,이학기 東亞大學校 建設技術硏究所 2004 硏究論文集 Vol.27 No.2
The hazard factors in building construction project are various and their bad effects with regard to project's efficiency are increasing due to its enlargement and complexity. However. the assessment of the construction safety is commonly dependent upon the statistical and historical information. since the existing systematic tool assisting to the effective decision making for estimating the safety prior to construction phase is inaccurate. In addition. it is true that there are the various difficulties to analyze and diagnosis the construction safety with the probabilistic approach. because there are the many vague factors and limited resources. Therefore. the purpose of this research is to provide the way to establish the efficient preventable countermeasure against the hazard factors. corresponding to the category of the hazard characteristic. by using non-structural fuzzy decision support system for diagnosing effectively the construction project safety.
비구조적 퍼지 의사결정지원시스템을 활용한 재해예방대책에 관한 연구
이용준,정성춘,이학기 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2
The hazard factors in building construction project are various and their bad effects with regard to project's efficiency are increasing due to its enlargement and complexity. However, the assessment of the construction safety is commonly dependent upon the statistical and historical information, since the existing systematic tool assisting to the effective Decision Making for estimating the safety prior to Construction Phase is inaccurate. In addition. it is true that there are the various difficulties to analyze and diagnosis the construction safety with the probabilistic approach. Because there are the many vague factors and limited resources. Therefore, the purpose of this research is to provide the way to establish the efficient preventable countermeasure against the hazard factors, corresponding to the category of the hazard characteristic, by using Non-Structural Fuzzy Decision Support System(NSFDSS) for diagnosing effectively the construction project safety.
최자영,권영춘,여상학,정동근 성균관대학교 기초과학연구소 1999 論文集 Vol.50 No.-
In this work, we report on the investigation of the properties of cyclohexane-based plasma polymers (CHexPP) as functions of the deposition pressure and the plasma power. As the deposition pressure was decreased from 2 torr to 0.2 ton with a fixed plasma power of 60W, k value of the CHexPP thin film increased from 2.42 to 3.24. CHexPP thin films deposited at lower deposition pressure showed very good thermal stability, even the one deposited at 0.2 torn was stable up to 400℃. As the plasma power was increased from 10W to 90W with a fixed deposition pressure of 0.2 ton, k value increased from 2.61 to 3.39. The CHexPP thin film deposited at 90W were stable up to 450℃. All the deposited films were insulating. Under applied fields less than 1 MV/cm, leakage current densities were less than 10^-7 A/㎠.
Lidocaine, Thrombin, Epinephrine 의 항균효과
김진우,이동건,전혜선,김승준,김석찬,안중현,김치홍,권순석,김영균,김관형,문화식,신완식,송정섭,박성학 대한감염학회 2005 감염과 화학요법 Vol.37 No.6
목적 : 기관지내시경 검사에서 흔히 사용되는 국소마취제인 lidocaine과 내시경시 지혈목적으로 사용되는 thrombin과 epinephrine이 각종 균주에 미치는 항균효과에 대해 알아보고자 하였다. 재료 및 방법 : 균주는 가톨릭대학교 성모병원에서 2004년 3월부터 2004년 9월까지 임상검체 에서 동정된 S. aureus, S. pneumoniae, K. pneumoniae, P. aeruginosa 각각 42, 42, 42, 43주를 대상으로 하였다. Lidocaine, thrombin, epinephrine 감수성 검사는 National Committee for Clinical Laboratory Standards (NCCLS, 2002)의 기준에 따랐다. 결과 : Lidocaine은 S. aureus, S. pneumoniae, P. aeruginosa에서 MIC_(50), MIC_(90) 모두 20,000 ㎍/mL 이었다. K. pneumoniae는 각각 10,000 ㎍/mL이었다. Thrombin은 S. aureus와 P. aeruginosa에서 MIC50 500 lU/mL 과 MIC_(90) 500 IU/mL 이상이었고, K. pneumoniae에서는 MIC_(50)과 MIC_(90)이 모두 500 lU/mL이상이었으나 S. pneumoniae에서는 MIC_(50)과 MIC_(90)은 125 IU/mL이었다. Epinephrine은 K. pneumoniae, S. pneumoniae에 대한 MIC_(50), MIC_(90)가 모두 >500 ㎍/mL이었고, S. aureus와 P. aeruginosa에 대한 MIC_(50), MIC_(90)가 모두 500 ㎍/mL이었다. 결론 : 기관지 내시경 검사에서 흔히 쓰이는 lidocaine, thrombin, epinephrine 등의 약제들이 호흡기 질환의 흔한 병원균인 S. aureus, S. pneumoniae, K. pneumoniae, P. aeruginosa 균주들에 대해 항균 효과가 있을 수 있어 세균배양검사에 영향을 미칠 수 있겠다. Background : We performed this stody to find out about antimicrobial effect of lidocaine which is commonly used local anesthetic, and thrombin and epinephrine used for hemostasis during bronchoscopic procedures. Materials and Methods : The microorganisms that were cultured from specimens obtained during bronchoscopy were Staphylococcus aureus (n=42), Streptococcus pneumoniae (n=42), Klebsiella pneumoniae (n=42), and Pseudomonas aeruginosa (n=43) collected from St. Mary's Hospital, from March to Sep 2004 were used for susceptibity testing. Susceptibility to lidocaine, thrombin, and epinephrine were tested according to the National Committee for Clinical Laboratory Standards. Result : MIC_(50) and MIC_(90) of lidocaine for S. aureus, S. pneumoniae, P. aeruginosa were all 20,000 ㎍/mL and that for K. pneumoniae were 10,000 ㎍/mL. MIC_(50) and MIC_(90) of thrombin for both S. aureus and P. aeruginosa was 500 IU/mL and above 500 IU/mL, respectively; that for K. pneumoniae were all above 500 IU/mL and for S. pneumoniae they were 125 IU/mL, MIC_(50) and MIC_(90) of epinephrine for K. pneumoniae and S. pneumoniae were above 500 ㎍/mL; that for S. aureus and P. aeruginosa were 500 ㎍/mL. Conclusion : We observed possible antimicrobial effect of lidocaine, thrombin, and epinephrine in vitro against pathogens such as S. aureus, S. pneumoniae, K. pneumoniae, P. aeruginosa, which are common respiratory microorganisms. The use of these agants could affect the result of bacterial culture.
고정환 ; 윤옥현 ; 박홍기 ; 전기환 ; 김상민 ; 김학민 ; 박희룡 김천대학교 1999 김천대학교 논문집 Vol.20 No.-
The social education that is provided for the people will be an important part of the national growth in the 21 century. This study was taken to present the desirable direction that Kimcheon College Continuing Education has to make progress as a central organization with perceiving the importance of continuing education for the Kimcheon citizen. To achieve the objective of the study, examined a sample of 592 citizen and students from Kimcheon City and Kimcheon College. The survey revealed the following results : 1. Offer the effective operation of education policies and curriculums. 2. Perform the role of foreign language education center. 3. Introduce the saving credit system. 4. Operate the special lectures for the students of the high school graduating class after the national scholastic achievement test for university and college entrance. 5. Suppert the special skills education for high school students after-school hours. 6. Administer the new employment program. These results showed the desirable direction that the Kimcheon College Continuing Education has to take some actions for the Kimcheon citizen.