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조규환(Cho Gyu-Hwan),박동천(Park Dong-Cheon),김우재(Kim Woo-Jae),안재철(Ahn Jae-Cheol) 대한건축학회 2011 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.31 No.2(구조계)
It is very important to measure the quantity of Incoming-salt generated in marine environment. However, the quantity of Incoming-salt is flexible depending on various meteorological factors of marine environment such as direction of the wind, speed of the wind, rainfall, humidity, temperature, etc. Therefore, to analyze the correlation with the quantity of Incoming-salt generated depending on respective meteorological factor, it is necessary to compare and examine according to fixed experimental factors by using experimental equipment that is possible for continuous experiment without external meteorological influences such as lab experiment. Thus, this study lays its emphasis on basic experiment to enhance the accuracy of system performance after developing artificial Incoming-salt generator.
노졸증 발생 후 뇌종증 환자의 식습관 및 식이순응도 조사 연구
박경애,김화성,김종성,권순억,최스미 대한지역사회영양학회 2001 대한지역사회영양학회지 Vol.6 No.3
The purpose of this study was to investigate dietary habits and food compliance in stroke patients. One-hundred sixty eight elderly stroke patients and 97 young patients with first -ever stroke admitted to Asan Medical Center between 1994 and 1998 were studied. Using a structured interview, we assessed food intake. food consumption frequency and compliance to low salt, low meat hight fish and high fruit and vegetable diets. These results were analyzed with X$^2$, t-tests, and analysis of variance (ANOVA) using the SAS package program. Salted food intake and cholesterol-containing food frequency were increased whereas frequency of fruits and vegetables intake was decreased in young stroke patients compared to the elderly. Meat intake and cholesterol-containing food frequency were increased in the males compared to the females in elderly stroke patients. and fish intake and cholesterol-containing food frequency were higher in the males than the females in the young. In patients with high economic status, frequency of fruits and vegetables was elevated. Also compliance the low meat and high fruit and vegetable diet in young patients was lower than that in the elderly. When the life-style risk factors influencing the food intake of frequency of fruits and vegetables was affected by education in young stroke patients. In elderly stroke patients, meat intake frequency of cholesterol-containing foods and fruits and vegetables were influenced by sex and /or income. Our results suggest that dietary intake of salt meat ,cholesterol-containing foods. fruits and vegetables in stroke patients may vary with age, sex the presence of risk factors or economic status therefore guidelines and nutrition education should by formulated to prevent stroke recurrence based on dietary habits and risk factors of individual patients.
후풍의 영향을 배제한 다방향 비래염분 포집기 개발과 비래염분 포집에 관한 연구
박동천,안재철,김우재 한국건축시공학회 2011 한국건축시공학회지 Vol.11 No.6
철근 콘크리트 구조물의 염해 내구수명 산정을 위해서는비래염분량 평가가 필수적이다. 현재까지 국내에서도 국외에서 개발된 포집기를 주로 사용해 왔으나 포집기 자체의결함으로 포집 정확도에 문제가 있다는 지적이 일어왔었다. 본 연구 결과 기존의 포집기는 후풍의 영향을 배제할 수 없어 실제 포집기를 통과하면서 거즈에 부착된 비래염분은 후풍의 영향에 의해 이탈되어 포집량이 낮게 평가됨과 동시에방향성, 즉 남쪽에서 불어오는 비래염분도 북향하고 있는포집기에 포집되어 방향에 대한 구분이 없어지는 현상을 해석적, 실험적으로 규명하고, 문제해결형 개량형 포집기를개발하였다. 또 해안지역에서 실측에 사용하여 높이별 비래염분량 측정과 동시에 포집기의 성능검증을 실시하였다. Evaluation of the amount of chloride ion coming from the sea is very important in assessing the life expectancy of Reinforced Concrete structures. Developed in Japan, the incoming salt collector has been used to this day. Unfortunately, the incoming salt collector has had a bad reputation, which is caused by backward wind. Backward wind causes a reduction of the amount of salt collected in collector's gauze. The collector was developed to eliminate the effect of backward wind. Simulation test in the laboratory and site measurement were performed to determine the amount of incoming salt according to the height. The performance was verified through analytic and experimental methods.