• 제목/요약/키워드: Site-scale study

검색결과 1,138건 처리시간 0.032초

FK KoFlux 관측지에서의 지역 규모 열 플럭스의 추정 : 타워 관측에서 MM5 중규모 모형까지 (Inferring Regional Scale Surface Heat Flux around FK KoFlux Site: From One Point Tower Measurement to MM5 Mesoscale Model)

  • Jinkyu Hong;Hee Choon Lee;Joon Kim;Baekjo Kim;Chonho Cho;Seongju Lee
    • 한국농림기상학회지
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    • 제5권2호
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    • pp.138-149
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    • 2003
  • KoFlux는 생태계와 대기 사이에 교환되는 이산화탄소, 수증기 및 에너지에 대한 우리의 이해를 높이고, FLUXNET과 CEOP등의 지역, 대륙 및 전구 규모의 관측망에 기여하기 위해서 시작되었다. 그거나 한반도의 지형적 특성 때문에 KoFlux의 대부분의 플럭스 타워는 관측에 이상적이지 못한 장소에 위치하고 있다. 탄소 및 에너지 교환의 정량화를 위해서 뿐만 아니라 군락 규모에서 지역 규모로 확장하기 위해서는 관측과 모델링을 병용한 다양한 접근 방법의 적용이 필요하다. 본 연구에서는 지역 규모의 현열 플럭스를 추정하기 위해 타워 플럭스 관측, 대류 경계층(CBL) 수지 방법, MM5 중규모 모형, 그리고 NCAR/NCEP 재분석 자료의 네 가지의 방법을 사용하여 다양한 면적을 대표하는 현열 플럭스를 산출하여 비교하였다. 비록 제한된 짧은 기간의 자료를 사용하였으나, 예비 분석을 통하여 (1) 해남 농경지 플럭스 타워에서 관측된 현열 플럭스가 지표의 불균질성을 보였고, (2) CBL 수지 방법으로 얻어진 지역 규모의 현열 플럭스는 수평 이류 효과의 계산 방법에 따라 다른 결과를 보였으며, (3) MM5 중규모 모형은 타워 플럭스 관측 값과 아주 유사한 현열 값을 수치 모사하였다. 그러나 관측지의 불균질성과 두 방법이 대표하는 면적의 근본적인 차이를 고려할 때, 플럭스 발자국 분석, 지리정보 시스템 및 관측지의 위성 영상 분석에 근거한 타워 플럭스의 공간 대표성을 정량화하는 것이 시급한 것으로 나타났다.

DentalVibe reduces pain during the administration of local anesthetic injection in comparison to 2% lignocaine gel: results from a clinical study

  • Joshi, Sagar;Bhate, Kalyani;Kshirsagar, Kapil;Pawar, Vivek;Kakodkar, Pradnya
    • Journal of Dental Anesthesia and Pain Medicine
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    • 제21권1호
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    • pp.41-47
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    • 2021
  • Background: This study was designed to compare the efficacy of DentalVibe against 2% lidocaine gel in reducing pain during the administration of local anesthetic injection in the adult population. Methods: This was a split-mouth open-label, randomized, controlled clinical study conducted in the Department of Oral and Maxillofacial Surgery of a dental institute. Fifty patients who were scheduled for bilateral dental extractions requiring an inferior alveolar nerve block were enrolled in the study. Site A (n = 50) was coated with 2% lidocaine gel followed by a local anesthetic injection, and DentalVibe with local anesthetic injection was used for Site B (n = 50). The primary outcome was pain, which was recorded immediately after the administration of anesthetic injection using the Visual Analogue Scale [VAS 0 - 10]. Results: The VAS pain scores ranged from 4 to 10 for site A and 0 to 6 for site B. Comparison between the two sites showed a statistically significant difference [Mann-Whitney U test value = 51.50, P < 0.001] favoring site B. Conclusion: This study showed that DentalVibe reduces pain during injection of local anesthesia compared to topical anesthetic gel.

100만평문화공원 조성을 위한 주민참여활동 (Citizen Participation of the Million Amenity Park)

  • 김승환
    • 한국조경학회지
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    • 제33권6호
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    • pp.22-39
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    • 2006
  • This paper is the study on the activity of citizen participation in the movement of Million Amenity Park's creation which was proposed by citizen participation for large scale's flat park within city. This park was proposed by the Busan Green Plan, commission study in 1999. The location of Park site was finally proposed at Dunchi-do, Bonglim-dong, Gangseo-gu, Busan and neighbor areas. The area of park site is approximately 500ha included the surface area of West-Nakdong River. Citizen's organization for Million Amenity Park which has 3,500 members, was established in 2001 in order to compose Million Amenity Park The development processes of this study were found to have quickening period, germination period, the 1st growing period, and the 2nd growing period, and then the results of this activity was also arranged by the researcher of this study. The movement for this park was found to have a positive activity for participating and understanding all the citizens during 7 years. And then the activities for this park were as follows: every information, fund-raising campaign, organization, purchase of park site, contribution of purchasing park site to Busan city. The results of this study, through the movement of citizen's participation such as this park movement were 1) respectively found to have the settlement in the movement of NGO, 2) the possibility of large scale's park fostering by public and civil partnership, and 3) the model presentation of frontier park in the citizen participation's types which will be able to introduce the development of city.

수열에너지 입지 선정을 위한 계층화분석법의 적용 (Application of analytic hierarchy process technique for selecting a hydrothermal energy site)

  • 안주현;박수완;오창현
    • 상하수도학회지
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    • 제38권2호
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    • pp.69-81
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    • 2024
  • In this study, an evaluation system that can be used to evaluate the feasibility of developing and supplying hydrothermal energy for the operation of large-scale complex facilities was developed. To this end, this study derived factors to be considered when selecting a location for the use of hydrothermal energy using raw water from multi-purpose dams and regional water supply systems through literature survey and expert interviews. The evaluation indicators derived from this study are divided into four sectors: hydrothermal energy utilization factors, location factors, planning factors, and disaster safety factors, and are composed of 10 mid-level indicators and 34 detailed planning indicators. The relative importance of all factors was derived using the Analytic Hierarchy Process (AHP) technique, and the developed evaluation indicators and relative importance were applied to four multi-purpose dam regions in the country. As a result, it was found that in the development and use of hydrothermal energy utilizing regional raw water supply line the urban planning conditions of the supply site can have a greater impact on the location selection results than the hydrothermal energy development itself. Due to the characteristics of the evaluation indicators developed in this study and their nature as comprehensive indicators, it is believed that the results should be applied to determine the overall adequacy of site selection in the early stages of hydrothermal energy development. In the future, it is believed that it will be necessary to analyze the problems in supplying and operating hydrothermal energy using raw water from multi-purpose dams and regional water resources. Based on the analysis the evaluation system developed in this study is expected to be improved and supplemented.

국가별 재생에너지 계획입지제도 절차별 우선순위 및 평가요소 비교 분석 (A Comparative Analysis of the Priority and Evaluation Factors of the Renewable Energy Plan Site by Country)

  • 김성훈;윤화영
    • 신재생에너지
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    • 제18권4호
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    • pp.54-63
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    • 2022
  • This study compared and analyzed major policies and operational processes of countries that introduced the Renewable Energy Plan Site, through literature analysis of published governmet data, and previous research results. The procedures of the Renewable Energy Plan Site were classified into planned location designations, selection of power generation business operators, designation of the business' district and development and evaluating the factors derived for each procedure. Four contries were selected to be compared and analyzed, namely: Denmark, Germany, the United Kingdom and Japan. This was based on the criteria used to introduce and operate the Renewable Energy Plan Site, activate renewable energy supply and check the applicability of Korea's policies. It was analyzed that the priority of the planned location for the procedure was different for each country depending on the conditions there.

음식물류 폐수를 이용한 바이오가스 생산시설의 스케일 형성요인에 관한 연구 (A Study on the Cause of Scale Formation in Biogas Plant with Food Wastewater)

  • 배영신;천승규
    • 대한환경공학회지
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    • 제35권9호
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    • pp.660-665
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    • 2013
  • 소화설비내 스케일 형성의 주요 원인을 파악하기 위하여 스케일 성분분석 및 음식물류 폐수에 대한 혐기소화 실험을 하였다. 성분분석결과, 음식물류 폐수 중 유분이 스케일의 유기성분과 밀접한 연관이 있었다. 또한, 소화실험시 소화조내 결정체의 발생량은 음식물류 폐수중 유분을 사전에 제거한 경우가 제거하지 않은 원수를 소화한 경우의 58.9% 수준으로 나타나 유분이 스케일 형성의 중요한 요인임을 알 수 있었다. 아울러, 유분을 제거한 음식물류 폐수는 68.7 L-gas/kg-COD 그리고 음식물류 폐수 원수는 67.7 L-gas/kg-COD로서 유분의 사전제거가 소화가스 생산에 부정적 영향을 주지 않았다.

재해예방 기술지도의 문제점과 개선방안에 관한 연구 (건설 재해를 중심으로) (A Study on Problems and Improvement of Disaster Prevention Technology Guidance(Focused on construction disaster))

  • 노태우;강경식
    • 대한안전경영과학회지
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    • 제18권4호
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    • pp.47-55
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    • 2016
  • Recently, industrial accidents rate has been gradually decreasing due to the development of safety management methods, but until now, the accident rate in the construction sector is higher than other industries. Large-scale construction sites are operating systematic safety systems to reduce industrial accidents. However, small and medium sized construction sites do not have systematic safety system and lack safety management ability, so that disaster is not reduced compared with large scale construction site. As a result, disaster prevention technology instruction system has been implemented to reduce the disasters of small and medium scale construction sites. However, in the case of a small construction site less than 2 billion won, there is little decrease in the accident rate, and in some cases, the accident rate increases. After the technical guidance system has been implemented, it is necessary to identify the performance and problems of implementation and to improve its effectiveness. In this study, we suggest the improvement plan to improve the efficiency of the technical guidance system by analyzing the problems and actual conditions of technical guidance operation in small and medium sized construction work sites.

조선 후기 한성부 상류주택의 규모와 영역별 실구성에 관한 연구 (A Study on Scale and Space Composition by Domains of Upper-Class Housing in Seoul, During the Latter Part of the Joseon Dynasty)

  • 홍승재;강인선
    • 한국주거학회논문집
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    • 제22권1호
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    • pp.95-104
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    • 2011
  • The drawings that currently possessing by the Jangseogak Library, The Academy of Korean Studies is the material which were drawn the figure of house in Seoul (Hanseong-bu), during from the middle part of 17th Century to the end of 19th Century. Since these drawings were drawn in the form of Gangado (間架圖), the layout and floor plan, the function of room of each houses can be examined. Focusing on drawings on which the room name was written among those drawings, this Study has researched about the scale and space composition by each domains of the upper-class housing in Seoul, during the latter part of the Joseon Dynasty. Based on the originals, all of the drawings were redrawn using AutoCAD 2008, and the scale of site and building, the occupying area by domains were also analyzed, compared. As the result, it was investigated that the most part of upper-class housing in Seoul had far exceeded over the control limitation about the site size and the building scale in accordance with the status. Furthermore, in this Study, by means of concretely research on the space and room composition of each ranges of the upper-class housing in Seoul, it was quite examinable on the architectural figure of the upper-class housing in Seoul, During the latter part of the Joseon Dynasty, which was not known well in the meanwhile.

초고층건축물의 유형화와 부지 내 배치계획요소 계획현황에 관한 연구 (A Study on the Typological Classification of Super-tall Building and Present State of Masterplan Planning Factor in the Site)

  • 양기인;방기진;제해성
    • KIEAE Journal
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    • 제10권5호
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    • pp.71-76
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    • 2010
  • Recently, the construction and plan of super-tall building is attention link of new town development or urban core regeneration. Super-tall Buildings have many advantages and a lot of affects in urban contexts. Also, construction of super-tall building is will be able to social problem like urban core's decline, loss of openspace, incompatible urban scape, traffic congestion of urban core. But, compares to super-tall buildings affects in urban contexts, there was not extra ordinary study about super-tall building by the urban scale approaches. Therefore, need about study materplan planning of the site which is made to meet super-tall building and urban contexts. There are two main processes in this study. First, to analyze the factors affect to masterplan planning of the super-tall building's site. Through the analyzed factors, classify type of super-tall buildings and identify the type's state. Second, to classify and set the elements of masterplan planning factor in the site. Identify the masterplan planning factor's state by deployment materplan planning factor set the current applied to the constructed super-tall buildings. Through this process, identified the recent trend and providied the basic elements of materplan planning of super-tall building's site.

패선 소호 쇼핑몰 웹사이트의 색채 특성과 이미지 - 25세~30대 초반의 여성복을 중심으로 - (Characteristics and Images of Colors on Fashion Soho Mall Web Site)

  • 김신우;정은숙
    • 복식
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    • 제55권3호
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    • pp.19-32
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    • 2005
  • Internet shopping has transformed our daily lives as well as the pattern of consumption. In the word, the development and the growth of online shopping site have led to new pattern of consumption. This applies in particular to clothing, among the product on sale, on the internet. The purpose of this research is to analyze the characteristic of colors and images on internet fashion soho mall web site, and to provide efficient color information which is usefull in color planning and suitable for brand image on fashion web site. 147 color sample used by 40 fashion soho mall web site were collected and analyzed. The results of this study are as follows. First, dominant color on fashion web site is static color as black and it's ratio is 33$\%$. Second, G color is not used. Third, Hue and tone mainly used It tone of P color except V tone. And the color image on internet fashion soho mall web site are modern, chic, dandy, formal. Results from analyzing the fashion soho mall Web site. it is important to unity the company's image but its more important to make a color plan considering the sites feature and the customers's sensitivity.