• 대한방사선치료학회지
• /
• 제18권1호
• /
• pp.35-41
• /
• 2006

목 적: 유방암 방사선치료 시 유방(breast), 흉벽(chest wall, 국부적 임파관(loco-regional lymphatics) 등에 적정한 선량을 조사하기 위하여 다양한 치료계획이 이루어지고 있는데 이에 따른 선량분포를 정성적, 정량적으로 분석하여 최적의 방사선치료계획 기법을 고찰해 보고자 한다. 대상 및 방법: 최적의 유방암 방사선치료계획 기법을 평가하기 위해 기존의 전통적인 방법(2D)과 전산화단층촬영 영상에서 각각 유방체적을 설정하여 3차원적으로 접근하는 방법인 입체조형치료방법(3-dimensional conformal radiotherapy, 3DCRT)과 강도조절방사선치료 방법(intensity modulated radiotherapy, IMRT)을 비교하였다. 이를 위해 인체팬텀에 유방(breast), 흉벽(chest wall, 국부적 임파관(loco-regional lymphatics), 폐(lung) 등의 관심영역을 정하여 표지한 후 전산화단층촬영(Volume, Siemens, USA)을 시행하였다. 획득한 전산화단층촬영영상을 이용하여 입체조형치료방법과 강도조절방사선치료 방법을 적용하여 방사선치료계획(XiO 5.2.1, FOCUS, USA)을 수립하였고, 이는 기존의 전통적인 방법과 비교하였다. 비교, 분석은 방사선치료계획기법(2D, 3DCRT, IMRT)에 따른 방사선량분포와 선량-체적 간 히스토그람(dose-volume histogram, DVH) 및 관심영역의 점 선량 등을 분석하여 시행하였고, 또한 시간-노동력에 따른 치료효율성에 대해서도 평가하였다. 결 과: 유방체적을 설정하여 3차원 방사선치료계획 기법을 사용한 경우가 기존의 전통적인 방법에 비해 종양 설정과 빔 방향 및 조사면 경계 확인 등에 유용하다는 것을 알 수 있었다. 결 론: 유방암 방사선치료 시 방사선치료계획 기법에 따른 정성적, 정량적 분석을 통해 최적의 방사선치료계획 기법을 제시할 수 있었다. 그러나 3차원 방사선치료계획 시 치료계획종양용적(planning target volume, PTV) 설정과 유방 고정의 어려움에 따른 환자자세 재현성에 대한 문제를 알 수 있어 이에 대한 추가 연구가 필요할 것이라 사료된다.

• 한국전통조경학회지
• /
• 제32권3호
• /
• pp.130-138
• /
• 2014

본 연구는 중국 원림의 조경기법에서 배치, 축 대칭, 주종(主從) 관계, 공간 대조, 경관 은폐 등으로 나타나고 있는 풍수지리사상인 "혈효응(穴效應)", "용사효응(龍砂效應)" 및 "수구효응(水口效應)" 의 이론을 파악하고 원림 공간에서의 표현 방식에 대해 고찰하고자 하였다. 배치 방식을 증명하기 위하여 사합원(四合院)과 소주 망사원(網師園)을 대상으로 하였으며, 축 대칭과 주종(主從) 관계를 증명하기 위하여 명 청대 북경성과 자금성, 운남성 선위시(宣威市) 도시 광장 설계를 대상으로 분석하였고, 공간 대조와 경관 은폐 방식을 증명하기 위하여 소주 유원(留園)과 창랑정(滄浪亭), 졸정원(拙政園), 태안시 남호공원을 대상으로 분석하였다. 연구 방법은 문헌조사와 현지답사 및 사례 분석으로 나누어 진행하였으며 연구 결과는 다음과 같다. 첫째, 배치 방식은 사합원, 소주 망사원 등에서 중국 풍수지리사상의 "혈효응"이 적용되었으며, 둘째, 축 대칭과 주종관계는 명 청대 북경성의 도시 계획과 자금성 공간 배치에서 풍수지리사상의 "용사효응"이 적용되었으며, 운남성 선위시 도시 광장 설계 등 중국 현대 조경 설계기법에도 풍수지리사상을 도입하고 있다. 셋째, "수구효응"은 공간 대조 기법과 경관 은폐 기법에서 나타나고 있다. 이는 소주 유원(留園), 창랑정(滄浪亭), 졸정원(拙政園), 태안시 남호공원 등의 설계에 도입되었다.

• 한국환경복원기술학회지
• /
• 제7권3호
• /
• pp.26-34
• /
• 2004

It is expected that the different techniques of stream restoration could be caused the different conditions of the stream ecosystem. The study was to investigate and compare plants and vegetation clusters of appearing plant species in the upper and lower section of the Seo-Ho stream, It was classified and listed all of the plants appeared in the upper and lower section of the stream, It was used the belt-transect method and Unweighted pair group method using arithmetic algorithm in order to examine and analyzed discover the vegetation clusters, In the result, 28 families and 114 species appeared in the upper section, In the other side, 26 families and 93 species appeared in the lower section of the steam. The naturalized index of the upper section was 21%, and that of the lower section was 27%. In addition, the upper section has more various geographical features than lower section of the stream. So that, consequently the study shows that the different techniques of stream restoration could be caused the different growth of the stream ecosystem.

• 대한전기학회:학술대회논문집
• /
• 대한전기학회 2011년도 제42회 하계학술대회
• /
• pp.1400-1401
• /
• 2011

RPS(Renewable Portfolio Standard) recently with the introduction of a new solar power development as the market expands, land shortage of solar power as an alternative site for installing solar water development has emerged. Solar water dams, reservoirs and water by taking advantage of available solar power development a new concept of private forest land in a way does not involve destruction of the forest land and water resources through efficient use of environmentally friendly energy production and water quality improvement There are a variety of benefits. This paper won the nation's first solar power to enforce the selection of the optimal location for solar power's award for planning theory and research techniques are intended to establish. Award of the solar system through the analysis of a few research-related materials and renewable energy systems project implementation process to establish an initial investigation techniques as well as the existing dam located about fitness will be assessed. In this study, solar water conducting business in the current analysis with considerable planning and installation of solar installation for the economic and environmental cost of the evaluation period and is expected to be able to give you one.

• 한국경영과학회:학술대회논문집
• /
• 한국경영과학회 2001년도 추계학술대회 논문집
• /
• pp.253-256
• /
• 2001

Today's rapid development in the computer and network technology makes the environment which enables the companies to consider their decisions on the wide point of view and enables the software vendors to make the software packages to help these decisions. To make these software packages, many algorithms should be developed. The production and distribution planning problem belongs to those problems that industry manufacturers daily face in organizing their overall production plan. However, this combinatorial optimization problem can not be solved optimally in a reasonable time when large instances are considered. This legitimates the search for heuristic techniques. As one of these heuristic techniques, genetic algorithm has been considered in many researches. A standard genetic algorithm is a problem solving method that apply the rules of reproduction, gene crossover, and mutation to these pseudo-organisms so those organisms can Pass beneficial and survival-enhancing traits to new generation. This standard genetic algorithm should not be applied to this problem directly because when we represent the chromosome of this problem, there may exist high epitasis between genes. So in this paper, we proposed the hybrid genetic algorithm which turns out to better result than standard genetic algorithms

• 한국콘텐츠학회논문지
• /
• 제14권3호
• /
• pp.94-102
• /
• 2014

21세기에 들어 입체영상에 대한 대중의 관심을 다시 집중시킨 곳은 극장이었다. 2009년을 기점으로, 입체영상에 대한 관심은 폭발적으로 증가했지만, 콘텐츠 부재 문제는 여전히 해결되지 못했다. 그러나 TV 방송 시장에서의 전망이 불투명한 반면, 입체영화는 할리우드를 중심으로 꾸준히 제작되고 있다. 또한 탄탄한 스토리텔링을 갖춘 영화들은 흥행에서도 괄목할만한 성적을 기록했는데, 이들의 공통점은 입체영상이 주는 공간감이 내러티브 몰입을 효과적으로 보조하고 있다는 점이다. 따라서 입체영상 기술은 극장을 중심으로 내러티브 몰입을 강화할 수 있는 시각기술로서 유용할 것으로 전망한다. 그래서 본 연구에서는 몰입과 입체영상의 관계를 살펴보고, 그에 대한 논의를 바탕으로 내러티브 몰입을 효과적으로 보조할 수 있는 입체영상의 공간연출 프로세스를 제안하였다.

• 한국지역사회생활과학회지
• /
• 제18권2호
• /
• pp.247-263
• /
• 2007

This study was complied to analyze the professional agricultural techniques level and to suggest a desirable direction for the professional education system for women farmer. The research was conducted by using in-field surveys and interviews. Data was gathered by questionnaire from 147 women farmer in five specialized crop regions: strawberry, cucumber, rose, apple, and oyster mushroom. The results obtained are as follows. First, the technique levels in computer usage and electronic commerce, machinery usage, pesticide and fertilizer utilization, facility automation, and eco-agricultural cultivation were low. Second, the demand for professional education, evaluated through technique level by standard management diagnosis, was recognized. Areas of concern included: cucumber (temperature control, carbonic acid gas control, grading, funds management), strawberry (light control, soil temperature control, irrigation watering, shipping), rose (temperature control, light control, funds management, cooperated management), oyster mushroom (growth cabinet sterilizer), and apple (flower bud pinching, defloration, fruit thinning, funds management). Based on the results of this study, the following are suggestions for the planning of a professional education system for women farmer. First, it needs to address formal education in marketing, machinery usage, facilities automation, and techniques in pesticide and fertilizer utilization. Second, it needs to be a multi- level program with appropriate terminology at every level which is suitable to each age and ability of women farmer. Third, it needs a more comprehensive manual developed by need analysis of women farmer and a larger lecturer pool for professional education.

• 농촌계획
• /
• 제10권3호
• /
• pp.1-7
• /
• 2004

The need for recreation and green-tourism seems to be enhanced greatly according to increasing income and leisure. The rural area and village should be developed and improved with a new direction as basic areas for the green-tourism. This study developed a new methodology to be able to find suitable areas for recreation and green-tourism using GIS and RS. The eight criteria for suitability evaluation of recreation area extracted by GIS and RS techniques from computerized map layers and satellite images have their weighting values, which are quantified by AHP method. The new finding methodology was applied to a study area, the Ansung city in Kyunggi province. The results showed that the suitable area with high score for the recreation and green-tourism were analyzed spatially near by ancient culture and water resources. The new findings enable decision makers to analyze spatially the suitability area of the recreation area and village improvement for the green-tourism.

• Architectural research
• /
• 제16권1호
• /
• pp.1-8
• /
• 2014

Although Feng-Shui has been widely used in architecture and urban design and planning for thousands of years, it has not been properly studied as a scientific and thus rational approach. Feng-Shui has been recognized as an environment-friendly design and planning method in recent years due to its thoughtful consideration on the harmonious relationship between architecture and the natural environment. This study investigates its major principles and techniques that have been widely used in the design of houses through previous relevant researches. Then, the principles and techniques that are relevant to the residential uses are indexed for the quantification of Feng-Shui. Ten Feng-Shui indices are formulated and each index is quantified to make five points for a perfect match. These indices are then tested on three different types of house in Korea, namely traditional Korean houses, contemporary Korean style houses and contemporary architects' houses. The result shows that the first type of house records the highest Feng-Shui points and then the second and third types in that order. This result convinces us that the Feng-Shui indices can very effectively represent the degree of environmentally friendly design.

• 한국주거학회논문집
• /
• 제23권4호
• /
• pp.41-48
• /
• 2012

The purpose of the study, approaching from the aspect of the construction technologies, is to determine the architectural techniques of traditional wood architects in existence, through which the systems and techniques that create the inherent characteristics of Korean Architecture are clarified. With understanding traditional construction system and focusing on the fact that built environment results from the consistent standards and technologies of architects, this study inquires into the systematic standard and its formation that present in the process of planning for the overall scale and shape of a building from the following (four) perspectives. The study determines the characteristics of '間(Kan)' (unit; fundamental unit that measures Korean traditional houses) and the methods of columns disposition of which the '間 (Kan)' is made up. Once the necessary spaces are decided according to the size of a building, then floor plans are drawn with the standard unit, '間(Kan)'. The '間(Kan)', as a modular unit, is not only composing the floor plans, but also functioning as an Area unit, Space unit and Structural unit. Composition of '間(Kan)' varies with disposition of columns, and therefore multiform of floor and spaces are created. In this study, the '間(Kan)', as a standard unit, is used in the form of specific size and area, and it is demonstrated how the floor plans are developed by organizing the columns in accordance with the spaces requested.