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RISS 인기검색어
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- 저자 : 손명호(Myung-Ho Son) (검색결과 13 건)
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저농도 만성적인 유기용제 폭로시 자각증상과 Flicker 검사치와의 연관성
손명호,손석준,최진수,Son, Myung-Ho,Sohn, Seok-Joon,Choi, Jin-Su 대한예방의학회 1994 예방의학회지 Vol.27 No.3
This study was conducted to examine the effect of chronic low dose organic solvent exposures in the industries towards then neurobehavioral functions of workers. Subjective symptoms on neurobehavioral function as well as a visual reaction time test (Flicker test) were administered to 94 exposed and 162 unexposed workers in a oil refinery and some other auto-repair shops. The results obtained were as follows : 1. Symptom complaints were higher and Flicker test values were lower in exposed workers than in unexposed workers. 2. Flicker valus were Inversely correlated with urinary Hippuric acid concentration in exposed workers(r=-0.26, p<0.05). 3. Flicker valus were inversely co..elated with Subjective symptom score(r=-0.15, p<0.05). Low Flicker value were also related with some subjetive symptoms such as 'Dimmed vision', 'Nightmare', 'Weakness on extrimity' in workers as a whole. While symptoms of 'Dimmed vision ', 'Nightmare' only observed among exposed workers.
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일부 한국인 Debrisoquine 대사분포에 대한 연구
이명학,문화영,손명호,손석준,최진수,Lee, Myung-Hak,Moon, Hwa-Young,Son, Myung-Ho,Sohn, Seok-Joon,Choi, Jin-Su 대한예방의학회 1994 예방의학회지 Vol.27 No.3
The genetically determined ability to metabolize debrisoquine (DBR) is related to risk of lung cancer and DBR hydroxylation exhibits wide inter-individual variation. In this study, 100 korean adults were tested for their ability to metabolize DBR. The DBR metabolic phenotype were determined by metabolic ratio (MR, DBR / 4-HDBR) which is the percent dose excreted as unchanged DBR divided by the percent dose excreted as 4-hydroxyebrisoquine(4-HDBR) in a aliquot of an eight hour urine sample, after 10mg DBR test dose administration. Analysis was performed on a capillary gas chromatograph fitted with electron capture detector. The results were as follows; 1 Geometric mean of DBR MR was 0.32 in male,0.27 in female,0.30 in total and the distribution of log (MR) was seemed to follow normal distribution. 2. Metabolic ratio of DBR was higher in non-smoker and non-drinker than in smoker and drinker without any statistically significant difference. 3. None of personal factors was significantly related to DBR MR except age. 4. The DBR metabolic phenotype was extensive metabolizer(EM) 93, intermediate metabolizer(IM) 7 by traditional method and EM 98, IM 3 by Caporaso's method. The poor metabolizer (PM) phenotype was not found by either method. 5. Maximal expected PM phenotype was 0.36% by traditional method and 0.04% by Caporaso's method.
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FLO-2D에서 댐붕괴 모형 매개변수의 침수 범위 민감도 분석
이길하 ( Khil Ha Lee ),손명호 ( Myung Ho Son ),김성욱 ( Sung Wook Kim ),유순영 ( Soon Young Yu ),조진우 ( Jin Woo Cho ),김진만 ( Jin Man Kim ),정규정 ( Jung Kyu Jung ) 대한지질공학회 2014 지질공학 Vol.24 No.1
Numerical modeling is commonly used to reproduce the physical phenomena of dam-break and to compile resulting flood hazard maps. The accuracy of a dam-break model depends on the physical structure that describes the volume of storage, breach formation and progress, input variables, and model parameters. Model input and parameters are subjective in that they are prescribed; hence, caution is needed when interpreting the results. This study focuses on three parameters (breach degree θ, shape factor P, and collapse rate k) used when the dam-break model is coupled with FLO-2D (a two-dimensional flood simulation model) to estimate flood coverage and depth etc. The results show that the simulation is sensitive to the shape factor P and the collapse rate k but not to the breach degree θ. This study will contribute to reducing flood damage from dam-break disasters in the future.
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손명호,이길하 대구대학교 산업기술연구소 2013 産業技術硏究 Vol.24 No.1
Regardless of modern development and advanced technology, loss of life and properties due to natural disaster is still subject to increase. This is not restricted to a certain country and is the case in Korea. Becuase natural disaster is exaggerated with global climate change and thus preparation for natural disaster is in urgent need. Many efforts have been made to reinforce the existing infrastructure and maintence system. Among these most agricultural reservoirs are outdated and may be alert to the possoblility of danger. Resent collapse of Sandae reservoir in Gyeongju, Gyeongbuk brought us big attention. In this study, the collapse of Sandae reservoir and the corresponding inundation was briefly reviewed and it is known that residential housing, commercial building, Vehicles, agricultural areas, and public structures were destroyed. It is also inferred on the basis of analyzing the time-dependent volume of reservoir that the main reason for the collapse of the Sandae resevoir is a piping effect. This study will contribute to build a flood hazard map and warning system for the reduction of flood disaster as a basis.
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