• 제목/요약/키워드: Exterior Environment

검색결과 307건 처리시간 0.026초

Screening of Differentially Expressed Genes in Diesel Oil-exposed Marine Fish Using DD-PCR

  • Woo, Seon-Ock;Yum, Seung-Shic;Yim, Un-Hyuk;Lee, Yaek-Kyun
    • Molecular & Cellular Toxicology
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    • 제2권4호
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    • pp.251-256
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    • 2006
  • The exploration of genes which expressions are changed by exposure to ecotoxicants or pollutants can provide the important information about the reaction mechanisms in the body as well as adaptation to exterior stimulus or environmental changes. Also they can be developed as biomarkers for the detection of environmental pollution. Differential display polymerase chain reaction (DD-PCR) technique has been usefully used to hunt the clones which expressions are up-regulated or down-regulated by exterior changes and this study aimed to search for those clones in diesel oil-exposed rockfish (Sebastes schlegeli) using DD-PCR. The RNA isolated from liver of 20 ppb diesel oil-exposed rockfish was used for screening of the differentially displayed genes and total 44 differentially expressed genes (DEG) are detected then their nucleotide sequences were analyzed. The present data provided the general information about the effect of diesel oil contamination on marine organism and further more the primary step in development of new biomarkers for marine environmental pollution or ecotoxicological stresses.

대형(大型) 종합경기장(綜合競技場) 외부공간(外部空間)의 이용후(利用後) 평가(評價)에 관(關)한 연구(硏究) - 천안(天安) 종합경기장(綜合競技場)의 설문지조사분석을 중심(中心)으로 - (A Study on the Post Occupancy Evaluation of The Grand Stadium Outside Area - Focusing on Cheon-an stadium through the questionnaires -)

  • 권오복;유창민;이은희;이재근
    • 한국환경복원기술학회지
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    • 제8권2호
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    • pp.56-64
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    • 2005
  • The objective of this study is to provide basic data for building better exterior spaces for stadiums in the future by analyzing the behavior of users, such as the satisfaction measure and the physical environment, after using the exterior space at an existing stadium. To achieve this, multiple methods of data gathering and analyses such as field surveys, documentary surveys, and questionnaires research were used in this study. In the survey of user satisfaction, regression analysis was conducted on all factors. Factor analysis was conducted on the variables that were classified into physical, functional, social, and psychological factors. The factors were then tested and based on the results, multiple regression analysis was conducted to measure the effects of the factors concerning satisfaction. A questionnaire research on the use of the exterior space of a stadium as well as the social and economic backgrounds of the users was also conducted in order to utilize the results for the basic data for analysis of satisfaction. According to the results of this study, the exterior space of a stadium satisfied overall expectations. However, it is deemed important to introduce various facilities and activity programs and to improve the exterior spaces for users in building stadiums in the future.

환경친화적 관점에서 본 실내외 공간의 통합적 디자인에 관한 연구 (A Study on Integration of Interior Space and Exterior Space from Pro-environmental Perspectives)

  • 우지연
    • 한국실내디자인학회논문집
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    • 제13권4호
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    • pp.66-73
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    • 2004
  • When we make a place for people, interior space and exterior space are always connected, each influencing the other. To create a better space or increase the quality of an existing space, it is essential to look at the relationship of inside and outside and their boundaries. Without consideration of the landscape, the building itself gives only limited satisfaction to people. This is an important issue for anyone who deals with space. This study intends to explain the important need for a change in attitude towards our built environment and its intrinsic relationship with its natural context. In the study, I try to find design concepts for integration of inside and outside which have accumulated since early Modernism designers and consider cases with different solutions and approaches that make total design sense when looking at the inside and outside as a whole, then, through observation of the cases, I find 5 design methods(Opening, Continuing, Insulting, Wrapping, Interpreting) in connecting the two spaces and analyze the solutions. The various examples which are shown in each patterns will help us to find ideas for the best solutions of integration of inside and outside. It is true that the idea of integration of inside and outside will increase the quality of our environment and it comes with the current thoughts of ecological and sustainable design. Thereby, I suggest designers to change their manner to continuous and integrated point of view in dealing with built environment.

Airborne Sound Insulation Performance of Window and Indoor Noise Level in the Balcony Expanded Apartments

  • Park, Hyeon Ku
    • KIEAE Journal
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    • 제15권2호
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    • pp.61-67
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    • 2015
  • Purpose: The balcony in the apartment is important space not only as a fire escape but also as a buffer for heat and sound insulation. However, with the legalization of balcony expansion for residential apartments in Korea in 2006, many households have eliminated the balcony space altogether to increase the inner space, often without sufficient consideration for the effects on the indoor environment. This study examined the sound insulation performance of exterior-facing windows in enclosed balconies and the changes in the indoor acoustic environment due to expansion to provide a basis for appropriate balcony expansion. The apartments for the field test were chosen where two balcony types can be compared, and the sound insulation performance for the eighteen balcony windows was measured. The windows installed were typical double window with thickness 16 mm or 22 mm. Measurements of the weighted standard sound pressure level difference showed a decrease of about 3 dB in sound insulation performance due to expansion. For common exterior noise levels of 70-85 dB(A), the indoor noise level can exceed 45 dB(A), the limit level regulated in Korea. However, it was found that the sound insulation performance of the window and the quality of the construction have more influence on indoor noise levels than balcony expansion itself.

저소득층의 주택유형 및 점유형태에 따른 주거만족도 영향요인 연구 (A Study on Factors Influencing Residential Satisfaction by Housing Type and Housing Tenure of Low-Income Households)

  • 박윤태;원유호;김구회
    • 한국주거학회논문집
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    • 제26권6호
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    • pp.115-126
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    • 2015
  • Using the 2013 Korea Housing Survey, this research analyzed factors influencing residential satisfaction of low-income households concerning the economic condition, satisfaction about interior and exterior environments in dwelling, recognition of housing welfare policy. The economic condition showed that if there are less living expenses and more ordinary income, it brought about more positive effects in the ownership of a detached house, row and multi-family house. Most variables about satisfaction with the interior environment in dwelling have a significant influence on a detached house, apartment, row and multi-family house. The following factors played a significant role: accessibility to commercial facilities, neighborhood relationship and natural environment in the satisfaction with the exterior environment in dwelling about most types. Specifically, from an institutional perspective of housing welfare policy, the effect of the housing expenses support and the intention about remodeling were factors influencing residential satisfaction in cheonsei and monthly rent, free of a detached house and free of an apartment. These results will utilize preliminary data to establish housing welfare policy for low-income households.

동계에 차양 적용에 의한 실내 환경 측면의 효과에 관한 실험적 연구 (An Experimental Study on the Effect on Indoor Environment by the Application of the Shading Device in Winter)

  • 백주영;김지현;여명석;김광우
    • 대한설비공학회:학술대회논문집
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    • 대한설비공학회 2006년도 하계학술발표대회 논문집
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    • pp.854-859
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    • 2006
  • This study aims to evaluate the effect on indoor environment by the application of the shading device on winter season. Therefore, thermal and visual experiments were conducted at two side-by-side mock-Lip test cells which were equipped with the shading device(venetian blind & roll blind) at interior and exterior side of the window. The results of this study are as follows: 1) At night of winter, the shading device can prevent internal heat from going out. 2) Exterior shading device is more effective in winter as well as in summer. 3) At daytime of winter, the shading device can provide the uniformity of illuminance, and the interior shading device is more effective.

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경량기포콘크리트(ALC) 패널을 건축물 외장 커튼월에 적용을 위한 도료의 기초적 연구 (Applications and Analysis of Exterior Paints for the Curtain Wall Panel System based on the Autoclaved Lightweight Concrete(ALC))

  • 이용수;라현주
    • 한국디지털건축인테리어학회논문집
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    • 제12권3호
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    • pp.59-66
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    • 2012
  • Autoclaved Lightweight Concrete(ALC) features such as a high performance insulation, the fire resistance, the advantage of easy handing construction, and lightweight panels applied the curtain wall system. ALC materials are certified as non-toxic environmental and eco-friendly productions. But ALC external panels mixed with blast furnace slag pounder and silica fume have to be coated with a stucco compound or plaster because of resisting the ambient environment. This study is that mixing tests to evaluate a performance analysis of exterior paints to be make-up pigments(organic or inorganic) coated with panel surface. Testing compared by KS F 2476; flow test, KS F 2426; compression strength test, KS F 2762; bond strength test. In results, the case of the inorganic binder, ratio of alumina cement : anhydrite is 90:10 to 80:20 at the highest level of intensity. In the case of the organic binder, adhesive strength rating at surface of ALC, the pullout strength is below 0.5 $N/mm^2$ but the normal concrete is over 2.0$N/mm^2$. A contents ratio of EVA resin is more than 3% and then bond strength is effectively.

Sensors Comparison for Observation of floating structure's movement

  • Trieu, Hang Thi;Han, Dong Yeob
    • 한국항해항만학회:학술대회논문집
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    • 한국항해항만학회 2014년도 추계학술대회
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    • pp.219-221
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    • 2014
  • The objective of this paper is to simulate the dynamic behavior of a floating structure model, using image processing and close-range photogrammetry, instead of the contact sensors. Previously, the movement of structure was presented through the exterior orientation estimation of a single camera by space resection. The inverse resection yields the 6 orientation parameters of the floating structure, with respect to the camera coordinate system. The single camera solution is of interest in applications characterized by restriction in term of costs, unfavorable observation conditions, or synchronization demands when using multiple cameras. This article discusses the theoretical determinations of camera exterior orientation based on Direct Linear Transformation and photogrammetric resection using least squares adjustment. The proposed method was used to monitor the motion of a floating model. The results of six degrees of freedom (6-DOF) by inverse resection show that the appropriate initial values by DLT can be effectually applied in least squares adjustment, to obtain the precision of exterior orientation parameters. Additionally, a comparison between the close-range photogrammetry and total station results was feasibly verified. Therefore, the proposed method can be considered as an efficient solution to simulating the movement of floating structure.

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공동주택의 건물외부조건과 에너지비용과의 관계분석 (Relation between the Building Exterior Conditions and Energy Costs in the Running period of the Apartment Housing)

  • 이강희;류승훈;이은택
    • KIEAE Journal
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    • 제9권1호
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    • pp.107-113
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    • 2009
  • The energy cost is resulted from the energy use. Its sources are divided into some types and depended on the building use or energy-use type. The energy cost should be affected by the amount of the energy use. The cost could be calculated to consider various factors such as the insulation, heating type, building shape and others. But it can not consider all of the affect factors to the energy cost and need to categorize the factors to the condition for estimating the cost. In this paper, it aimed at providing the estimation model in linear equation and multiple linear regression, utilizing the building exterior condition and management characteristics in apartment housing. Its survey are conducted in two parts of management characteristics and building exterior condition. The correlation analysis is conducted to get rid of the multicolinearity among the inputted factors. The number of linear equation model is 11 and includes the 1st, 2nd and 3rd equation function, power function and others. Among these, it suggested the 2nd and 3rd function and power function in terms of the statistics. In multiple linear regression model, the building volume and management area are inputted to the estimation.