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희박상 공압이송 설비 배관내 압력 변화 거동 예측 프로그램 개발
김영석(Yeongseok Kim),옥선미(Sun Mi Ok),진경용(Kyung Young Jin),김형우(Hyeong-U Kim),김태성(Taesung Kim) 대한설비공학회 2017 대한설비공학회 학술발표대회논문집 Vol.2017 No.6
This study aimed to develop the simulator for the dilute phase pneumatic conveying system, which have been used to the fine particle transfer. To verify the validity of the program, we compared the computation results based on experience with the results computed using the program. And then, it was confirmed that the program was effective by comparing with the numerical analysis results with validity.
장향동,백광균,구경림,옥선미,최진석,고은주,류성렬 한국공업화학회 2004 응용화학 Vol.8 No.2
Aflatoxin B₁ was known to have the strongest poisonous character among Aflatoxin compounds. To search the production of Aflatoxin B1 according to the change of temperature, relative humidity and incubation days, orange incubated with Aspergillus parasiticus KCCM 35078 was incubated at 20℃, 25℃, 30℃ at relative humidity 60%, 70%, 80% and for incubation time 3, 4, 5, 6, 7 days.. Production of Aflatoxin B₁ shows that the highest production appeared at 25℃ and its relative humidity 70%. The result that was quantitatively analyzed by using HPLC was 77.41ppm, and by using Fluoroscence detector was 87.87ppm. - Production of Aflatoxin B₁ shows that the lowest production appreared at 20℃ and its relative humidity 80%(HPLC), 60%(Fluoroscence detector). The result that was quantitatively analyzed by using HPLC was 4.47ppm, and by using Fluoroscence detector was 4.17ppm. The structure of Aflatoxin B₁ was identify with authentic sample by using instrumental analysis methods of GC/MS, ¹H-NMR, FT-IR respectively.
윤규현(Yoon Kyoo Hyun),옥선미(Ok Sun Mi),이언구(Rhee Eon Ku) 한국건축친환경설비학회 2007 한국건축친환경설비학회 학술발표대회 논문집 Vol.- No.-
he lack of water is the problem of living to the human. One third of world population is suffering from it and 5 million people is dying from water-related diseases. As a means solving the problem, we researched into 'Rainwater Harvesting' thoroughly. We investigated the good cases in the inside and outside of the country. Through analyzing the dormitory of S university, we suggest the value of the rainwater utilization system in Apartment House.