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황선복,박성민,오민지,김희택,Hwang, Sun-Bok,Park, Sung-Min,Oh, Min-Jee,Kim, Hee-Taek The Society of Korean Medicine Ophthalmology 2009 한방안이비인후피부과학회지 Vol.22 No.2
본 임상연구는 임상연구 모집 공고를 통하여 모집된 대상자 중 Atopic Dermatitis Research Group (2005) 한국인 아토피 피부염 진단기준에 따라 아토피 피부염으로 판정되고 현재 약물(한약, 양약)치료나 외용제 치료를 하고 있지 않은 만 5$\sim$50세의 아토피 피부염 환자를 대상으로 하였다. 피험자들을 이중맹검, 블록무작위배정하여 시험군과 대조군으로 나누어 6주간의 시험기간 동안 육안적 평가, 혈액학적 검사, 피부측정 장비를 통한 기기적 평가를 시험 전후에 실시하여, 시험군에 사용된 제품이 대조군 사용된 제품에 비하여 얼마나 효과적으로 아토피 피부염으로 손상된 피부 장벽을 회복하는지 관찰하였다. 본 임상시험을 통해 'Atomento solution & cream'이 손상된 피부장벽을 회복시키고 피부 보습력을 증가시켜 아토피 피부염에 효과적이었으며, 인체에 이상반응이나 부작용 없이 안전하게 사용될 수 있음을 확인하였다.
황선복(Seon-Bok Hwang),박준석(Jun-Seok Park),이경도(Kyoung-Do Lee),박선환(Seon-Hwan Park) 대한조선학회 2011 대한조선학회 학술대회자료집 Vol.2011 No.11
The longitudinal structural members in way of upper deck of container carrier consist of very thick plates with high tensile strength and high grade, which are of high cost. And also these are the most effective longitudinal strength members. Therefore it is necessary to carefully design the concerned part to minimize the cost. The purpose of this study is to find optimum design of the concerned part in the aspect of cost. ES(Evolution Strategy) technology is applied in this study, and the method to get practically the result is invented. The minimum cost design considering steel materials and/or assembling man power is carried out for existing ships and the effect of the variation of thickness difference, material and labor cost on the result of optimum design is investigated.
황선복(Seon-Bok Hwang),신상훈(Sang-Hoon Shin),박준석(Jun-Seok Park) 대한조선학회 2011 대한조선학회 학술대회자료집 Vol.2011 No.6
The purpose of this study is to economize the cargo tank structure for the type 'A' LPG Carrier, applying optimization methods to the structural design. The structure of the cargo tank comprises of plates, stiffeners, webs and stringers. For the optimum scantling of plates and stiffeners, ES(Evolution Strategy) is carried out in consideration of both material and labor cost. For the optimum scantling of webs and stringers, the minimum weight design is carried out using the local optimization module of a commercial FEM software.
실험계획법을 이용한 가열방식의 순환굵은골재 제조를 위한 실험적 연구
남은용,황선복,Nam, Eun-Yong,Hwang, Sun-Bok 한국건설순환자원학회 2013 한국건설순환자원학회지 Vol.8 No.1
The use of wasted concrete can settle the environmental pollution and shortage of natural aggregate. However, recycled aggregate includes substantial amount of cement paste, so that these aggregates are more porous, and less resistant to mechanical actions than natural aggregates. Recently, the new manufacturing processes of high quality recycled aggregates were suggested such as heating. In this paper, for the purpose of manufacture of high quality recycled aggregates, the heating processes was considered to the existing process of recycled aggregates. To find the optimum process, the experiment was performed through the statistical design of experiment. The heating temperatures of 4 levels (300, 450, 600 and $750^{\circ}C$) and heating duration time (5, 20, 40, 60minute) were main experimental variables. Through the test results, it was found that the optimum manufacturing condition of coarse recycled aggregate was evaluated to be $600^{\circ}C$ and 40minute. 폐기물 콘크리트의 사용은 환경 오염과 자연 골재의 부족을 해결할 수 있으나, 이러한 재생 골재는 골재 표면에 붙어 있는 시멘트 페이스트 량이 많아서 천연골재보다 더 많은 기포를 함유하고 있어 역학적 저항능력이 감소된다. 이러한 이유로, 최근에 고품질의 재활용 재생골재의 새로운 제조 공법으로 가열 등의 해결방법이 제안되어지고 있다. 본 논문에서는 고품질의 재활용 골재의 생산을 위해, 재생골재의 현존 제조공정에 가열 및 분쇄 공정을 추가하는 방법을 제안하였다. 최적의 프로세스를 찾기 위해서 통계적 실험계획법을 사용하여 실험을 수행하였고 가열 온도(4단계 : 300, 450, 600 및 $750^{\circ}C$) 및 가열 시간(4단계 : 5, 20, 40, 60분)이 주요 실험 변수였다. 시험 결과에 의해, 굵은 골재의 재활용을 위한 최적의 제조 조건은 $600^{\circ}C$와 40분으로 나타났다.
목차 : 비소성 시메트 콘크리트의 휨 거동에 관한 연구
유성원 ( S W Yoo ),남은용 ( E Y Nam ),이상준 ( S J Lee ),황선복 ( S B Hwang ),소양섭 ( Y S Soh ),김재신 ( J S Kim ) 한국안전학회(구-한국산업안전학회) 2012 한국안전학회지 Vol.27 No.2
If cement can be manufactured with industrial byproducts such as granulated blast furnace slag, phosphogypsum, and waste lime instead of clinker, there would be many advantages, including maximum use of these industrial byproducts for high value-added resources, conservation of natural resources and energy by omitting the use of clinker, minimized environmental pollution problems caused by C02 discharge, and reduction of the production cost. By this reason, in this study, mechanical behavior tests of non-burnt cement concrete were performed, and elasticity modulus and stress-strain relationship of non-burnt cement concrete were proposed. 6 test members were manufactured and tested according to reinforcement ratio and concrete compressive strength. By the test results, there was no difference between ordinary concrete and non-burnt cement concrete of flexural behavior. [n order to verif5, the proposed non-burnt cement concrete model, nonlinear analytical model was derived by using strain compatibility method By the results of comparison between test results, ordinary concrete model and proposed model, The proposed model well predicted the flexural behavior of non-burnt cement concrete.