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이광렬,현재혁,Lee, Kwang-Lyeol,Hyun, Jae-Hyuk 한국지하수토양환경학회 2016 지하수토양환경 Vol.21 No.3
The study examined the level of heavy metal contamination by dividing military rifle shooting ranges into the three areas, i.e firing, trajectory, and target. The target area was found to be contaminated at a level higher (Cu 845 mg/kg, Pb 30,487 mg/kg) than the Worrisome Level of Soil Contamination (hereinafter referred to as the “Worrisome Level”) The trajectory area was predicted to be free from contamination, but it did indicate contamination although it was pretty much lower (Cu 23 mg/kg, Pb 99 mg/kg) than Worrisome Level. This is attributed to the contamination spread when rearranging the soil of the target area during the maintenance of the shooting range. The firing area was also predicted to be free from heavy metal contamination, but the results analyzed indicated a contamination higher (Cu 201 mg/kg, Pb 2,286 mg/kg) than Worrisome Level. This is attributed to the fragments of the broken bullet scattering due to the pressure generated as the bullet leaves the muzzle. An examination of heavy metal contamination in the discharge area as well as gutters to prevent the intrusion of rain water from perimeter revealed a high level of contamination (Cu 298 mg/kg, Pb 6,497 mg/kg), which makes it necessary to take measures.
시뮬레이션을 통한 항공화물 네트워크 수익관리 모형 성능 평가
이광렬,윤수정,이철웅,Lee, Kwang-Ryul,Yoon, Soo-Jeong,Lee, Chul-Ung 한국시뮬레이션학회 2009 한국시뮬레이션학회 논문지 Vol.18 No.1
A discrete event simulation model is developed to evaluate the performances of three different revenue management methods for an air cargo network from Northeast China to North America and Europe. In the first method, a bid price model is applied only to the routes that pass through Incheon. In the second method, the bid price model is applied to all the routes. In third method, bid price and virtual nesting models are applied to the routes that pass through Incheon. The results show that the total revenue significantly increases with the employment of pricing and capacity control. The developed simulation model is a useful research tool to study marketing strategies for air cargo operations.
비정질 합금의 중주기배열구조 및 이 구조가 소성에 미치는 역할: 분자동력학적 연구
이창면 ( Chang Myeon Lee ),이미림 ( Mi Rim Lee ),이광렬 ( Kwang Ryeol Lee ),강경한 ( Kyung Han Kang ),이병주 ( Byeong Joo Lee ),이재철 ( Jae Chul Lee ) 대한금속·재료학회 2010 대한금속·재료학회지 Vol.48 No.2
The local structural states of amorphous alloys have been depicted previously via short-range orders (SROs). However, the concept of SROs alone is inadequate and sometimes insufficient to explain the structure-property relation of the amorphous alloys. In this study, we propose new types of medium-range building structures that affect the mechanical properties, plasticity in particular. Using a combination of molecular dynamics simulations and the Voronoi tessellation method, we demonstrate a three-dimensional configuration of icosahedral medium-range orders (I-MROs) and elucidate how these icosahedral orders evolve by the application of shear deformation. It was observed that the structural stability of the icosahedral orders relies largely on how they are linked via percolation and this linking is explained in detail.
이광렬(Kwang-Lyeol Lee) 한국콘텐츠학회 2009 한국콘텐츠학회논문지 Vol.9 No.9
이 연구는 생물테러리즘을 위기로 인식하고 생물테러리즘을 위기관리별로 어떻게 관리할 것인가에 대한 관리방안을 연구하는데 그 목적이 있다. 9·11 테러 이후 발생한 탄저균 테러는 전 세계에 생물병원체에 의한 공포감을 인식시켜 주었으며, 그 위험성이 강조된 사례이다. 본 연구결과 생물테러리즘 위기는 4단계로 구분하여 관리할 때 완화 및 예방단계에서는 테러리즘의 기준을 정하고, 대비를 하기 위하여 테러관련 법을 제정하고, 조기발견을 위한 감시체계를 확보해야 한다. 대비단계에서는 초동조치팀을 편성하고 교육훈련을 통해 대응하는 요령을 숙달시켜야 하며, 각종 자원을 확보해야 한다. 대응단계에서는 숙달된 초동조치팀이 즉각 투입되어 현장 정리 및 확산을 방지해야 하며, 복구단계에서는 평가체제를 구축하여 조기에 정상적인 생활로 복귀할 수 있도록 조치해야 한다. This study aims to examine terrorism by biological agents. These days terrorism evolved so rapidly that more than one terror occurs a day in global society as we are on the edge of so-called New-terrorism. One of new examples of new terrorism is Bioterrorism by biological agents. In order to address Bioterrorism we should conduct a study to examine things to be prepared at ordinary times and future plans. As an effort to develop countermeasures against Bioterrorism, anti-terrorism laws should be made on Prevention phases anti-terrorism funding laws as well. Other Bioterrorism laws need to be made. On Response phases initial reaction task force should be ready for making positive initial reaction. A special hospital for CBR(Chemical, Biological, and Radiological) warfare needs to be designated to practice medicine. Biological-Safety-Levels should be constructed by IV levels. Effective public promotion network should be built. On Recovery phases evaluation system needs to be suggested and international cooperative network should be established.
이광렬(Lee, Kwang-Ryeol) 한국조형디자인학회 1999 조형디자인연구 Vol.2 No.2
Man is born in the nature and return to it. It is the common process to all lives in the stream of hug e nature, but although men recognize themselves as a creature of nature, they challenge , conquer and use the nature and they are often governed by or conform to it. Man cannot but living in relation to the nature. Geomancy starts with the basic view like this, is the oriental philosophy and knowledge of wisdom examining the way of life energy of nature and man to be assimilated most effectively. Thi s study analyzes geomancy mirror used as an index and a tool of such a science and aims to present and improve its problems. It is also to extract a rational mean s of modern life sty le and present a design as an interesting tool for rich and hea lthy life of modern people ba sed on its easy operation.
Nimonic 80A 내열재료의 오버레이 용접부의 균열발생과 대책
이광렬(Kwang-Ryeol Lee),강명신(Myung-shin Kang),최영국(Young-kuk Choi),김영식(Young-sik Kim) 한국마린엔지니어링학회 2003 한국마린엔지니어링학회 학술대회 논문집 Vol.2003 No.-
The Nimonic 80A exhaust. suction valve of the marine engine must be occurred worn out and corrosion during the operating. Generally over the limited valve is restored by overlay welding. In this research, cracking generation and work out a countermeasure in overlay welding of Nimonic 80A