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시공성 향상을 위한 고강도 콘크리트 분리타설재 개발에 관한 연구
최종문 ( Jong Moon Choi ),김우재 ( Woo Jae Kim ) 한국건축시공학회 2011 한국건축시공학회 학술발표대회 논문집 Vol.11 No.1
In recent years, domestic construction companies have developed a 200MPa grade high-strength concrete and promoting the superiority of each technique. However, applying design and construction practices of developed high-strength concrete are weak. Most applications is limited to partial use and then the actual examples only used as a layer of high-rise building outrigger with casting some test on basement` vertical structures. In this study, developed materials for separation casting through joint research have been examined economy and others by field application and improving the workability.
유전적 프로그래밍을 이용한 선박의 연료 소모량 추정식 개발
최종문(Jong-Mun Choi),노명일(Myung-Il Roh) (사)한국CDE학회 2011 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2011 No.1
최근 국제 유가의 상승에 따라 선박의 연료비를 줄이기 위한 연구가 활발히 수행되고 있다. 이의 한 예로서 해상 정보를 활용하여 선박의 최적 경제 운항 경로를 도출하려는 연구가 수행되고 있다. 이러한 연구에서 반드시 필요한 것이 정확한 연료 소모량의 추정이다. 하지만 대부분의 연구에서 이론식을 활용하여 연료 소모량을 추정하고 있으며 이는 선박이 실제로 운행할 때의 연료 소모량과는 많은 차이가 발생한다. 이에 본 연구에서는 유전적 프로그래밍을 기반으로, 실제 선박의 연료 소모량 데이터를 활용하여 연료 소모량의 추정식을 개발하였다. 본 방법의 효용성을 검증하기 위해 연료 소모량 추정 예제에 적용하였으며, 그 결과 제안된 방법이 충분히 적용 가능함을 확인하였다.
수용액 중 극미량 니켈(II)과 아연(II)의 흡착농축 및 ICP-AES 정량에 관한 연구
최종문,최선도,Choi, Jong-Moon,Choi, Sun-Do 한국환경보건학회 2005 한국환경보건학회지 Vol.31 No.1
A determination method of trace Ni(II) and Zn(II) in aqueous solution was studied and developed by adsorbing on titanium dioxide. For this purpose, several conditions were optimized such as the pH of sample solution, adsorption time, the types and concentration acid, and desorption time. The titanium dioxide was added in sample solution which was pH adjusted. Then, the sample solution was stirred for 5 minutes. This mixture was stored in room temperature for 30 minutes to allow adsorption. After filtering and washing the titanium dioxide, the analytes were dissolved from the titanium dioxide on membrane filter by an ultrasonic vibration for 10 minutes in 1.0 M $HNO_3$ solution. Then, this sample solution was analysed using ICP-AES. The adsorption equilibrium was achieved in 30 minutes. The desorption was the most of effective with 1.0 M(mol/l) nitric acid solution, and desorption time was 10 minutes. This procedure was applied for the analysis of two real samples, i.e., brown seaweed and tangle. The recoveries of Ni(II) and Zn(II) in spiked samples were 89.4${\sim}$98.9% for analytes.
최종문(Jong-Moon Choi),김윤주(Yun-Ju Kim),조은경(Eun-Kyung Cho),홍진우(Jin-Woo Hong),신상우(Sang-Woo Shin) 한국의사학회 2011 한국의사학회지 Vol.24 No.1
The BianMaiFa chapter, which is the first chapter of SongBon ShangHanLun, is the scholarly description(專論 of the pulse and pathological mechanism but has not been studied and published yet. This study is about article 11-23 which is the second part of The BianMaiFa chapter. We compared the original texts within the editions, comparing and analyzing the annotations of successive dynastic medical group. The articles of The SongBon ShangHanLun BianMaiFa chapter 11-23 is consisted as is shown: article 11ㆍ12ㆍ13 state about a dignosis of yin-yang, deficiency-excess, fluid-humor from difference of a pulse shape and a sign of recovery from a disease, article 14 states about a prognosis of a disease according to a pulse, article 15 states about a pulse from which we predict a recovery, article 16 states about normal pulse according to season, article 17 states about ups and downs of a disease according to yin-yang of day and night, article 18 states about a location of a disease in connection with a pulse, article 19 states about a pathological mechanism of a diarrhea through a anterior tibial pulse(趺陽脈), a lesser yin pulse(少陰脈), article 20 states about a cause of disease, a symptom, a therapy about a floating and tight pulse(浮緊脈), article 21 states about a pathological mechanism of symptoms through a anterior tibial pulse(趺陽脈, article 22 states about a pulse, a pathological mechanism, symptoms caused by erroneous treatment, article 23 states about a pulse, a symptom, a therapy with internal heat. The BianMaiFa chapter 11-23 discussed a diagnosis, a prognosis of a disease, understanding of pathological mechanism through pulse. And The BianMaiFa suggests a various use of pulse.