• 제목/요약/키워드: Green house

검색결과 958건 처리시간 0.036초

연작장해 경감을 위한 시설 고추의 왕겨 혼합 소토양 재배기술 (Green Pepper Cultivation in Mixture Bed of Soil and Rice Hull for Alleviation of Salinity Problems in Plastic Film House)

  • 김진원;정종배
    • 한국토양비료학회지
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    • 제38권6호
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    • pp.340-344
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    • 2005
  • 수년간 고추를 연작한 비닐하우스에서는 연작 또는 염류집적에 따른 수량감소가 현저하게 나타난다. 고추의 수량감소를 줄이면서 설치한 비닐하우스의 사용연한을 연장시킬 수 있는 수단으로 기존 토양에 왕겨를 혼합한 소토양관비재배의 가능성을 검토하였다. 소토양관비재배 시험구에서는 관행재배 시험구에 비하여 토양 EC가 $4dS\;m^{-1}$ 이하로 낮아졌으며 두 재배방법 사이에 지상부 생육의 차이는 크지 않았으나 뿌리의 발달은 소토양관비재배 시험구에서 현저히 좋았다. 특히 소토양관비재배 시험구에서는 잔뿌리의 발달이 많았으며 관행재배 시험구에서는 뿌리 양이 적을 뿐만 아니라 굵은 뿌리가 많이 발생되었다. 풋고추 수량은 소토양관비재배 시험구에서 43% 정도 증가되었는데, 이는 소토양관비재배 시험구에서의 양호한 뿌리 발달이 양분흡수에 기여하였고 결과적으로 수량 증대로 이어진 것으로 판단된다. 본 논문은 초기 단계의 연구결과이며, 소토양관비재배방법이 연작 토양 시설물의 이용효율을 극대화할 수 있는 방법의 하나로 그 가능성을 제시하였을 뿐이다. 소토양관비재배방법의 실용화를 위해서는 보다 구체적인 연구가 더 진행되어야 할 것이다.

몽골에서의 지열 시스템 적용을 위한 주택 에너지분석 (Analysis on Housing Energy for Applying Geothermal System in Mongolia)

  • 김진호;김중헌;신승호
    • 한국지열·수열에너지학회논문집
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    • 제10권2호
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    • pp.19-23
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    • 2014
  • In the capital of Mongolia where the air quality is getting worse due to the coal consumption used for electricity generation and district heating, the application of geothermal systems in the housing sector is recently designed for high class resort. In this study, the case of applying a geothermal system in a house in Mongolia is examined. The effects of passive house design on the needed heat pump capacity, as well as the annual energy consumption are analyzed. Moreover, as the initial costs, except labor fee, are assumed similar to Korea, cost analysis for several cases is examined, too. From the results, if a house is designed according to passive house standard instead of ASHRAE standard, the heat pump capacity can be expected to be reduced from 16 to 5~6 RT. Furthermore, although the initial cost of architectural cost might increased by 29 M\, the total initial cost is reduced by 14 M\, while the annual energy consumption is reduced by 14%. This is mainly driven by the fact that the geothermal system which serves as the main system to cover the building needs, with a high initial cost for fulfilling the peak requirements.

친환경건축물인증 단지 거주자의 에너지자원 및 환경부하에 대한 의식 연구 (Residents' Consciousness about the Energy Resource and the Environmental Impact at Green Building Certificated Housing Complex)

  • 김재은;권오정
    • 한국주거학회:학술대회논문집
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    • 한국주거학회 2009년도 추계학술발표대회 논문집
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    • pp.257-262
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    • 2009
  • In green building certificated housing complex, although various planning factors in terms of 'Energy resource and Environmental impact' were adopted, the residents' consciousness for their economical and psycholgical effect has not been found. Therefore, the purpose of this study was to find out the usability of environment-friendly factors, with regard to the aspects of 'energy resource and environment impact' and residents, consciousness for them in order to provide the useful information to design the user-oriented green building house complex better than previous ones. the finding were summarized as follows: 1)Increasing awareness of 'green building certificated housing complex', Resident should feel contribution to the environment. 2)When mass housing planning, the development of sensible certification is required. 3)Green building certificated housing complex should change from 'certification for the Financial compensation' to 'certification for the Contribution to the environment'.

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지역기후특성을 고려한 비닐온실에 관한연구 (Study on the palstic green houses depending on regional weather conditions)

  • 우병관;이성;김세환;김삼열
    • KIEAE Journal
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    • 제9권5호
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    • pp.39-46
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    • 2009
  • Most Plastic Green Houses in Korea are made according the European weather condition, which lead to have very low solar energy efficiency. Moreover, the function of green houses, as well as the structure of them, has not changed for Korean weather condition. Therefore, the structure and function of them should adopt the regional weather condition in order to improve the energy efficiency. This paper investigates the current plastic green housesin Korea, and presents an alternative for improving the energy efficiency. The elements of green houses were investigated. When using a partial opaque insulation with a thermal storage body, the difference of indoor air temperature became 20C during daytime, and 5C during night, which will save massive fossil fuels.

Leaf and Stem Production of Perilla frutescens by Fertilizing of Sta-Green

  • Choi Seong-Kyu;Yang Deok-Chun
    • Plant Resources
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    • 제8권2호
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    • pp.167-170
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    • 2005
  • This study was conducted to determine feasibility of production system of Perilla frutescens leaf-stem by fertilizing of Sta-Green in pots. Germination rate of Perilla frutescens seeds collected in 2002 was $7\%$, also germination rate of seeds collected in 2003 was $62\%$, while germination rate of seeds collected in 2004 was above $93\%$. Seed germination rate of Perilla frutescens collected in 2004 were higher than seed gathering in 2002. Especially, plant growth and yield of Perilla frutescens grown in pot(The pots was filled with soil mixtures of Sta-Green and Peat Moss mixed with 40:60 ratio.) was the highest. These results indicate that leaf and stem production of Perilla frutescens can be improved by fertilizing of Sta-Green in pots.

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질소비료 저투입에 의한 우수농산물 간이판정지표로서 주요농작물의“가식부위내 $NO-3^-$함량”활용가능성에 관한 연구 (STUDY ON UTILITY OF NITRATE CONTENT IN EDIBLE PARTS OF CROPS AS AN INDICATOR OF SIMPLIFIED JUDGEMENT FOR SUPERIOR AGRICULTURAL PRODUCTS)

  • 손상목;오경석
    • 한국유기농업학회지
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    • 제2권1호
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    • pp.2-15
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    • 1993
  • Major vegetables and fruits in Korea are grouped in 3 Categories according to the Concentration of NO3- content in edible parts of the plant. NO3- content are high in order fruit

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모바일 기반 스마트 온실 시스템 설계 및 구현 (A Design and Implementation of Mobile based Smart Green House System)

  • 최유순;정석태
    • 한국전자통신학회논문지
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    • 제9권4호
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    • pp.475-482
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    • 2014
  • 본 논문에서는 원거리에서 온실 상황 파악과 온실을 제어 할 수 있는 모바일 기반 스마트 온실 시스템을 구현하였다. 기존의 웹을 이용한 온실 시스템은 실시간으로 제어가 가능하지만, 사용 장소에 제한적이라는 단점이 있었다. 이를 해결하기 위하여 모바일 기기를 이용한 스마트 온실 시스템의 유용성을 강조하였다. 원거리에서 모바일기기(스마트폰 - 안드로이드 기반)에 설치되는 소프트웨어를 이용하여 온실의 상황을 파악하고 장비들을 제어함으로써 편의성과 생산성을 높였다.

NGN 기능 기반의 온실가스감시 서비스 시나리오 (GHG Monitoring Service Scenarios Based on NGN Functions)

  • 이숭희
    • 한국정보통신학회논문지
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    • 제16권12호
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    • pp.2628-2634
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    • 2012
  • 온실가스(green house gas: GHG) 감시는 지구의 기후변화를 방지하기 위해 필수적인 수단이 되고 있다. 기존 연구에서 글로벌 인프라인 NGN(next generation network)을 통해 온실가스감시를 수행하기 위한 서비스 시나리오가 제시되었으나 추상적인 단계에 머무르고 있어서 실제로 NGN에 적용하는 데에는 어려움이 있다. 본 논문에서는 NGN 내에 탑재될 기능들을 중심으로 온실가스감시서비스 시나리오를 제시하여 실제 NGN에서 적용이 가능하게 하기 위한 기반을 제공한다.

미기상규모 영역의 온실기체 승온효과에 관한 수치연구 (Numerical Study on Warming Effect Due to Green House Gas in Microscale Atmospheric Domain)

  • 이순환;서광수;김동희;황수진
    • 한국대기환경학회지
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    • 제20권3호
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    • pp.303-315
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    • 2004
  • The change of land use such as the construction of way in mountainous area and tunnel leads to the quantitative change of the greenhouse gas. This study tried to clarify the effect of the change of land use around Miryang Ice Valley on thermal environment of micro-meteorological scale by numerical experiment. We carried out several numerical experiment under different atmospheric conditions with different amount of greenhouse gases. Heating rate increased by the greenhouse gas in the ground level is average of 0.0073 K/day. And the increasing rate if smaller than the daily average heat crossing quantity.

판별분석을 이용한 친환경 아파트의 마케팅 전략에 관한 연구 (A Study of Models for Marketing Strategy in the Eco-friendly Apartment Housing Using Discriminant Analysis)

  • 길기석;이주형
    • KIEAE Journal
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    • 제7권3호
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    • pp.11-20
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    • 2007
  • The purpose of this study is to analyse the effects of the eco-friendly factors on the apartment housing price rise and to suggest the desirable way of marketing strategy for apartment housing. For the analysis, the data of apartment sites in Seoul had been collected from September 2006 to February 2007. The data consisted of 95 apartment sites in Seoul. Data were analyzed with descriptives, crosstabs, and discriminant analysis by SPSS/PC for Window. Following result was obtained. The eco-friendly apartment housing price rate in Seoul was determined by eco-friendly landscape, green space rate, house unit size, installment sale price per pyeong, floor space index, distance from subway station when it was not considered the impact of building age, construction company's brand, and autonomous districts. Findings of this research can provide valuable information for marketing strategy of housing construction company.