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RISS 인기검색어
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- 저자 : 김명수(Kim, Myung Su) (검색결과 1,548 건)
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김명수,이창용,김태진,이정호,김중훈,Kim, Myoung-Su,Lee, Chang-Yong,Kim, Tae-Jin,Lee, Jung-Ho,Kim, Joong-Hoon 한국방재학회 2006 한국방재학회논문집 Vol.6 No.2
The objective of this research is to develop a least cost system design method for branched storm sewer systems while satisfying all the design constraints using heuristic techniques such as genetic algorithm and harmony search. Two sewer system models have been developed in this study. The SEWERGA and SEWERHS both determine the optimal discrete pipe installation depths as decision variables. Two models also determine the optimal diameter of sewer pipes using the discrete installation depths of the pipes while satisfying the discharge and velocity requirement constraints at each pipe. Two models are applied to the example that was originally solved by Mays and Yen (1975) using their dynamic programming(DP). The optimal costs obtained from SEWERGA and SEWERHS are about 4% lower than that of the DP approach.
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김명수,신국조,Myung Soo Kim,Kook Joe Shin Korean Chemical Society 1982 대한화학회지 Vol.26 No.4
순수 액체상태의 $CDCl_3$의 비등방성 회전운동을 라만 스펙트럼의 ${\nu}_1$- band를 분석하여 조사하였다. 이로부터 분자의 $C_3$-대칭축에 수직한 축 주위로의 회전운동에 관계되는 확산상수($D_{II}$)는 위에서 얻은 $D_{\perp}$와$^35C$l의 NQR이완시간으로 부터 구하였다. 이렇게 구한 확산상수들은 $^2H$와 $^35C$l의 NQR 이완시간으로 부터 구한 값들과 실험오차 범위내에서 잘 일치하였다. 또한 두 확산상수들의 값들로부터 순수한 CDC$l_3$의 재배치 운동이 상당히 비등방적인 것을 알게 되었다. Anisotropic rotation of $CDCl_3$ in neat liquid is investigated by the analysis of ${\nu}_1$ band of Raman spectrum and the diffusion constant($D_{\perp}$) for the tumbling motion is obtained. The diffusion constant ($D_{II}$) for the spinning motion is obtained from the above $D_{\perp}$ value and the chlorine-35 nuclear quadrupole relaxation time. The diffusion constants thus obtained seem to agree very well with the ones obtained from $^2H$ and $^35C$l in NQR results within experimental errors. The data suggest fairly anisotropic character of reorientational motions in neat $CDCl_3$.
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김명수,Kim, Myeongsoo 한국건설관리학회 2014 한국건설관리학회 논문집 Vol.15 No.5
This study analyzes necessity of expanding construction insurance and estimates required budget. Construction insurance is obliged by National Contract Law and Local Contract Law to protect projet owners and contractors from any unexpected construction risk such as financial losses in construction process. Currently the contracts of design-build and alternate-bid projects as well as PQ project, which are greater than 20 billion won, require the contractors to provide construction insurances in Korea. Insurance premiums are borne by the public project owner. Those contractors whose contract volume is less than 20 billion won burden all risks of projects at their cost. This causes equity problem. Because small-and-medium contractors are discriminated against large contractors since insurance-obliged projects are performed by large contractors and insurance premiums are borne by the public project owner. On the other hands, in all engineering projects, regardless of volume, insurance premiums are borne by the project owner. Therefore current regulation has to be improved, by expanding to all public projects. The average ratio of unobliged projects is 46%, in recent 3 years, prime cost of insurance companies is estimated 0.2%. Moreover considering risks of each construction type, prime cost of unobliged works is estimated as 0.13%. Hence additional necessary budget is estimated to be 2.09 billion won if total volume of public work is 3.5 trillion won. And 2.39 billion won is derived if total volume of public projects is 4 trillion won.
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중환자실 간호사의 고위험약물에 대한 투약오류 위험과 약물단독확인 태도, 투약안전간호활동 간의 상관성
김명수,정현경,Kim, Myoung Soo,Jung, Hyun Kyeong 한국중환자간호학회 2015 중환자간호학회지 Vol.8 No.1
This study was conducted to examine the relationship among the error risk of high-alert medication, attitudes to single-person checking of medication, and medication safety activities. The participants were 60 nurses working in the intensive care unit. Data were analyzed using descriptive analysis, t-test, analysis of variance, and Pearson's correlation coefficient. The mean scores of the knowledge and certainty of high-alert medication were $0.71{\pm}0.11$ and $2.74{\pm}0.59$, respectively. The mean score of the error risk of high-alert medication was $1.63{\pm}0.24$ and that of attitudes to single checking medication was $3.32{\pm}0.49$. The error risk of high-alert medication had a positive correlation with nurses' attitudes to single checking medication (r = .258, p = .047), which is correlated with the scores for certainty of knowledge (r = .284, p = .028). Based on the results of this study, continuing education for high-alert medication and the development of an accurate protocol for single checking medication are needed to improve the stability of high-alert medication.
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