• Title/Summary/Keyword: 그린

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그린 IT와 유비쿼터스 정보화 기술의 주요이슈분석

  • Jo, Yeong-Im
    • ICROS
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    • v.15 no.4
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    • pp.28-37
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    • 2009
  • 여기에서는 그린 IT와 유비쿼터스 정보화 기술의 주요이슈들을 분석하였다. 그린 IT의 주요 이슈는 어떻게 하면 $CO_2$ 배출량을 줄일 것인가에 있고, 유비쿼터스 정보화에서는 언제 어디서나와 같은 유비쿼터스 개념을 담은 웰빙 서비스 기술들을 어떻게 구현하느냐에 있다. 따라서 본 고에서는 이러한 웰빙 사회를 위한 u-그린 도시 전략을 소개하고자 한다.

그린 IT 제품 동향

  • Park, Seong-Su;Park, Seon-Taek
    • Information and Communications Magazine
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    • v.26 no.9
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    • pp.3-7
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    • 2009
  • 본고에서는 IT기기에서의 에너지소비 및 $CO_2$ 발생량을 살펴보고 각 제품들에 대한 특징, 그린 IT제품의 범위와 그린 IT의 제품 동향을 살펴봄으로써 향후 그린 IT 제품의 나아가야 할 방향을 제시하고자 한다.

Efficient Calculation Method of the Green효s Function for the Rectangular Cavity (구형 공동 그린함수의 효율적인 계산 방법)

    • The Journal of Korean Institute of Electromagnetic Engineering and Science
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    • v.12 no.1
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    • pp.153-159
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    • 2001
  • 본 논문에서는 구형 공동의 포텐셜 그린 함수를 효율적으로 계산할 수 있는 기법을 제시하였다. 일반적으로 매우 느리게 수렴하는 구형 공동 그린함수에 Ewald 합 기법을 적용함으로써 매우 빠르게 수렴하는 두 급수의 합으로 그린함수를 변환하였다. 그 결과 매우 적은 수의 계산항만 사용한 경우에도 충분히 수렴하는 정확한 결과를 얻을 수 있다.

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A Study on the Introduction of Green IT Based on the Cases of Implementing Green Internet Data Center (그린 데이터센터 구축 사례에 기반한 그린 IT 도입 방안에 관한 연구)

  • Song, Gil-Heon;Shin, Taek-Soo
    • Information Systems Review
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    • v.11 no.2
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    • pp.147-167
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    • 2009
  • As global climate changes, the interest in environmental crisis is increasing and a number of international agreements and regulations against this crisis are being established. Global information technology(IT) corporations are building their own pro-environmental green IT strategies to cope with the regulatory measures. Green IT broadly refers to pro-environmental technologies designed to replace hazardous materials, maximize energy effectivity, and find alternative energies. In the current stage of the IT industry development, Green IT specifically refers to the technologies that deal with the server heat generation and the energy reduction in data center. This study defines the concept of Green IT and reviews its origin and necessity. Then, it examines the issues regarding Green IT industry in Korea as well as other countries and compares the Green IT strategies developed in each country. Reviewing the recent development of IT and data center market enables us to see that overall Green IT strategies focus on the establishment of Green Internet Data Centers. Therefore, this study analyzes the cases in which some domestic and foreign corporations introduced Green Data Centers in order to examine the protocol and legal requirements for building Green IT, the aspects of environmental evaluation and design, and specific strategies for launching Green IT strategies and its future assignments. The conclusions of this study are as follows. First, to introduce Green Data Center as a strategy to build Green IT, the government and corporations should cooperate with each other. Partial introduction at the initial stage is desirable because, through the process, mutual trust between the two parties can be built more smoothly. Second, CEO's determination to build Green IT and continue its operation is indispensable. CEO's are required to have clear understanding as to why Green IT needs to be built and how it should be constructed. Those who initiate the construction of Green Data Center for Green IT need to know the definition and necessity of Green IT while at the same time understanding the implicit meanings of Green IT. They also need to be aware of future-oriented values of Green Data Center and readjust their corporate business activities in the pro-environmental direction. Finally, not only the CEOs' pro-environmental activities but also the change of mind on the part of all corporate employees is required to realize Green IT. It should be remembered that pro-environmental Green IT starts with minor activities.

Management of Fast Putting Green by Using Green Speed Expectation Models (그린 스피드 예측 모형을 통한 빠른 그린 관리 방법)

  • Jang, You-Bee;Shim, Kyung-Ku
    • Asian Journal of Turfgrass Science
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    • v.20 no.1
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    • pp.11-23
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    • 2006
  • This study was carried out to propose low types of green speed expectation models for fast putting green management by changing mowing height($4.0{\sim}2.5$ mm) and timing of rolling, dew removal and dew removal+rolling. Ball roll distance data were taken from the creeping bentgrass(Agrostis palustris Huds. 'Penncross') practice green of east course at the Lakeside C.C. in October 18, 2001 and May 25, 2002. Data were subjected to multi-regression analysis using Statistical Package for the Social Science. Among four types of green speed expectation models, the best multiple-regression equation for fast green management was as follows; $Y_4=4.171-0.225{\cdot}X_1-0.038{\cdot}X_2$ (where, $Y_4$ : green speed(m) after single dew removal+single rolling, $X_1$ : mowing height($4.0{\sim}2.5,\;X_2$ : passage of time ($0{\sim}8$ h.)). The equation[single dew removal by using sponge roller $\rightarrow$ single mowing at 3.0 mm height or less $\rightarrow$ single rolling] explained to provide fast green over 3.2 m (Stimpmeter readings required for USGA championship play) until the end of first round. Therefore, this cultural practice system was believed to provide fast putting green condition for professional golf tournament

A Very Early-Maturing Italian Ryegrass (Lolium multiflorum Lam.) New Variety, 'Greenfarm3ho' (이탈리안 라이그라스 신품종 '그린팜 3호'의 생육특성과 수량성)

  • Ji, Hee Chung;Whang, Tae Young;Kim, Ki-Yong;Choe, Hyunsoak;Hong, Ki Hung;Choe, Kuh Wann;Lee, Ki-Won;Lee, Sang-Hoon
    • Journal of The Korean Society of Grassland and Forage Science
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    • v.35 no.1
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    • pp.31-35
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    • 2015
  • This experiment was carried out to breed a very early-maturing variety of Italian ryegrass (Lolium multiflorum Lam.) in the Grassland and Forage Crops Division, National Institute of Animal Science, RDA, Cheonan, Korea from 2012 to 2014. New variety "Greenfarm3ho" is a diploid variety with a green leaf color, a semi-erect growth habit in late autumn/fall, and an erect growth habit in early spring. With a heading date of April 27, Greenfarm3ho was categorized as an early-maturing variety. Compared with the "Greenfarm" control variety, Greenfarm3ho's flag-leaf width was narrower by 0.5 mm, its flag-leaf length was longer by 4.4 cm, and its plant length was longer by 3 cm; additionally, Greenfarm3ho's stem thickness was 0.1 mm thicker and it showed winter hardiness. The dry matter (DM) yield (8,976 kg/ha) of Greenfarm3ho was similar to that of Greenfarm. The in vitro dry matter digestibility (IVDMD), total digestible nutrient (TDN), and crude protein (CP) of Greenfarm3ho were 70.0%, 64.1%, and 1.0%, respectively, which are higher than those of Greenfarm by 2.9%, 2.0%, and 1.4%, respectively. The acid detergent fiber (ADF) and neutral detergent fiber (NDF) content of Greenfarm3ho were 31.4% and 53.3%, respectively, which are lower than those of Greenfarm by 2.5% and 3.0%, respectively.

A study on establishing the international cooperation for the strategic development of the green energy technologies (그린에너지기술 국제협력을 위한 대외협력 맵 구축)

  • Koo, Kikwan;Choi, Bongha;Hong, Seongjun;Lee, Seongkon;Lee, Deokki;Park, Sueok
    • 한국신재생에너지학회:학술대회논문집
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    • 2010.06a
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    • pp.152.2-152.2
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    • 2010
  • 기후변화, 석유자원 고갈 우려 등으로 인하여 그린에너지기술 개발에 대한 중요성은 크게 증가하고 있다. 그 가운데, 글로벌화된 경쟁구도 확대와 급속한 기술개발 속도로 인하여 국가간 또는 기업간 기술 개발 경쟁은 더욱 심해지고 있다. 이러한 상황하에서 그린에너지기술 개발을 위한 국제협력의 중요성은 더욱 증가하고 있다. 이에 각 국은 제도적, 경제적 지원을 통한 그린에너지기술 개발 및 국제협력을 적극 지원하고 있다. 그러나 우리나라의 경우 에너지기술 관련 R&D 예산 중 국제공동연구 비중은 0.6%로 선진국에 비해 지원 규모가 부족한 실정이며, 그린에너지기술 국제협력을 위한 기초 정보 역시 부족한 상황이다. 따라서 본 연구에서는 그린에너지기술 분야의 국외 선도 업체 및 기관을 대상으로 기술수준 및 협력의향을 조사하여 대외협력 맵을 구축하였다. 우선 '그린에너지 전략로드맵'상의 15대 기술 분류에서 상세 분석을 위한 주요 에너지기술을 선정하고 기술별 하위 전략품목별로 현황 조사를 실시하였다. 국내 전문가를 대상으로 1차, 2차 설문을 통하여 국제협력 추천 업체 및 기관, 기술수준을 조사하였으며, 조사된 국외 추천 선도 업체 및 기관을 대상으로 설문을 통하여 협력의향과 협력유형을 조사하였다. 조사된 자료를 통해 기술수준과 협력의향을 기준으로 4가지 유형으로 분류하여 대외협력 맵을 구성하고 구축된 대외협력 맵을 통해 국제협력 추진을 위한 시사점을 도출하였다.

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A Thought on the Right Green IT Policy Direction for Korea (올바른 국내 그린(Green) IT 추진 방향에 관한 소고)

  • Ahn, Joong-Ho;Kim, Tae-Ha;Park, Chul-Woo
    • The Journal of Society for e-Business Studies
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    • v.15 no.2
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    • pp.77-91
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    • 2010
  • Recently, rapid economic growth has brought side effects with it such as environmental pollutions. As a result, 'Green IT' emerges as a solution to these problems. With providing clue for solving environmental problem, Green IT also has been focused as an emerging growth power which could enhance the IT industry activity. In Korea, most part of energy consumption depends on import. Moreover, an economic structure also indicates high degree of dependence upon export. Therefore, based on IT that has competitive advantage, we need to preoccupy with green IT market. In this regard, we research the status of promoting for IT in domestic and major countries. Especially, this paper focuses on government policies and companies strategies.