• Title/Summary/Keyword: Environment protection

Search Result 2,889, Processing Time 0.038 seconds

Study on Corner Crack Protection for Various Thermal Environment in Flat Panel Displays (온도 환경 변화에 따른 평판형 TV 모서리 파손 방지를 위한 구조 설계 연구)

  • Kim, Min-Keun;Kim, Sung-Ki
    • Proceedings of the KSME Conference
    • /
    • 2007.05a
    • /
    • pp.678-682
    • /
    • 2007
  • It is conducted that study on corner crack protection for various thermal environment in a flat panel display. Most of the consumer electronics consist of a plastic and a metal structure. And different properties of materials could cause failure of structural reliability due to the various operating temperatures. Especially for front bezel with thin and slender structure, the effect of temperature is significant, and the design for crack protection is crucial for thermal reliability of displays. In this study, it is prescribed the behavior of the front bezel in flat panel display for various operation temperatures and proposed design parameters to ensure the structural reliability of displays.

  • PDF

Effects of Ionizing Radiation on Plants and the Radiological Protection of the Environment

  • Stanislav A. Geras'kin;Kim, Jin-Kyu
    • Korean Journal of Environmental Biology
    • /
    • v.21 no.4
    • /
    • pp.321-327
    • /
    • 2003
  • Differences between the principles for the radiological protection of man and the environment are compared. The derived levels of exposure for man and biota recommended by the international agencies with dose rates for chronic radiation producing effects at different levels of biological organization were given in terms of the biological effects. Cytogenetic effects on plants after an exposure to ionizing radiation at low doses alone and in combination with other factors are discussed. A wide range of experimental data were analysed and the general conclusions were extracted to cover the topics such as non-linearity of dose response, synergistic and antagonistic effects of the combined exposure of different factors, radiation-induced genomic instability, and the phenomena of radioadaptation.

A Study on the Activation of the Technology Trade to Changing Trade Environment - Focusing on the Intellectual Property Rights - (통상환경 변화에 따른 기술무역 활성화 방안 - 지식재산권을 중심으로 -)

  • Seo, Gab-Sung;Kim, Jong-Sung
    • International Commerce and Information Review
    • /
    • v.10 no.2
    • /
    • pp.165-188
    • /
    • 2008
  • Some developed countries have already long been adapted to these changes in the international economic environment would improve productivity rather than traditional technology based on more high value-added business and increased investment. IPR protection is not just a national interest in the creation and growth of dimensions beyond the country's national competitiveness and a driving force to decide whether to challenge the core of the matter. Therefore, the importance of IPR in the country to raise awareness of IPR protection, and for systematic and comprehensive policy that will continue to be prepared.

  • PDF

Present State and Strategies on Environmental Pollution by Animal Wastes (축산분뇨에 의한 환경오염현황과 대책)

  • 이명규;이재일
    • Journal of Animal Environmental Science
    • /
    • v.2 no.1
    • /
    • pp.63-78
    • /
    • 1996
  • The main purpose of this research project is to monitor the present state of agricultural environment and to develope the countermeasures for the protection of the environment from the pollution by animal wastes. The results of this research were described largely 3 parts, 1) Monitoring of present state of environmental pollution by animal wastes, 2) Monitoring of animal wastes treatment technology, 3) Strategies for the protection of environmental pollution from animal wastes in future. The current most important problems from animal wastes are water pollution and air pollution commonly regardless of domestic or foreign country. Especially, intensive livestocks breeding pattern in restricted area is actually a real reason of eutrophication, soil acidification, ground water contamination, irrigation water pollution. As a result from this research project, authors recommend the 3 type of strategies for the protection of environmental pollution by animal wastes, 1 . Development of non-discharge type of wastes treatment technology 2. Manufacturing local structure for animal waste recycling system 3. Development of new international environmental program for transfer bioresource and soil environment prevention.

  • PDF

The Openness and Protection of Urban Wetland Park - A Case Study of Nanhu National Urban Wetland Park, Tangshan

  • Liu, Beiguang;Hao, Yu;Cho, Tae-Dong
    • Journal of Environmental Science International
    • /
    • v.23 no.12
    • /
    • pp.2101-2106
    • /
    • 2014
  • The urban wetland park is an indispensable part of an ecological city. It has aroused widespread attention and even quickly planning and construction around the country. But, in terms of the nature of the urban wetland park, there is a contradiction between the protection of urban wetland resources and the openness of the urban park for public. This article starts with the necessity for construction of urban wetland park, more over expound the existent problems between the protection and openness of the urban wetland park and to propose appropriate measures through the case study on Nanhu National Urban Wetland Park, Tangshan.

Structural Design Guide Line of Composite Beam (내화피복이 생략된 합성보의 구조설계지침 제정을 위한 고찰)

  • Hong, Won-Kee;Kim, Jin-Min;Lee, Kyoung-Hun;Park, Seon-Chee;Kim, Jeom-Han
    • KIEAE Journal
    • /
    • v.8 no.1
    • /
    • pp.93-98
    • /
    • 2008
  • As high rise buildings and large span spatial structures are constructed, new composite members and construction techniques are continuously developed. Wide flange steel beam can be easily constructed but the fire proofing protection is necessary and the cost is high. Nowadays environmental pollution of structures is becoming a big issue. The material of fire proofing protection is not allowed to use for structural members in several countries because it cab be a cause of environment pollution. Composite beam is a new hybrid beam system which is not needed a fire proofing protection process. Composite beam has better construction capacity than that of RC system and has more economic advantages than that of wide flange steel beam. In this paper, structural design guide lines of composite beam were provided to apply design and construction.

Legal Issues of Blockchain in Personal Information Protection : Based on GDPR and Personal Information Protection Act (개인정보보호법제 관점에서 본 블록체인의 법적 쟁점 GDPR 및 국내 개인정보보호법을 바탕으로)

  • Park, Minjung;Chai, Sangmi;Lee, Myoung Jun
    • Journal of Information Technology Applications and Management
    • /
    • v.25 no.2
    • /
    • pp.133-146
    • /
    • 2018
  • The technical definition of Blockchain is commonly known 'distributed ledger', however, there is no legal definition for being accepted in worldwide. Therefore, unless legal definitions and concepts of Blockchain are presented, there is a possibility that various legal disputes will occur in the future in Blockchain environment. The purpose of this study is to derive legal issues related to personal information protection that can be conflicted in Blockchain environment based on domestic Privacy Act and GDPR. The outcomes of this study can prevent various legal disputes and provide solutions that may occur due to the spread of Blockchain. It also suggests the foundation for the improvement of Privacy Act. Finally, it contributes to activate of Blockchain, industry, in Korea.

Study on the Characteristics of Crevice Corrosion Prevention of SS 400 in Marine Environment (해양환경 중에서 SS400강재의 간극부식방지 특성에 관한 연구)

  • 임우조;정기철;구영필;윤병두
    • Proceedings of the Korean Society of Marine Engineers Conference
    • /
    • 2001.05a
    • /
    • pp.152-157
    • /
    • 2001
  • This paper was studied on the characteristics of crevice corrosion prevention of SS 400 in marine environment. In NaCl solution, polarization behavior under the crevice corrosion was investigated. And Weight loss rate of SS 400 applied cathodic protection and non cathodic protection was measured according to the NaCl concentration. The main results obtained are as follows : The weight loss rate of Al-alloy galvanic anode was increased as the concentration of NaCl solution increased by 3.5% but the concentration increased over 3.5%, that of Al-alloy galvanic anode become decreased. The protective potential of SS 400 used Al-alloy galvanic anode becomes more cathodic polarization with increasing concentration of NaCl solution. Effects of oxygen on the weight loss rate of Al-alloy sacrificial anode for cathodic protection as the concentration of 3.5% NaCl solution become sensitive than that of 0% NaCl solution.

  • PDF

A Comparison of Environment Clauses under Korea-China FTA and Korea-U.S. FTA (한·중 FTA 및 한·미 FTA의 환경조항 비교)

  • PAK, Myong-Sop;KIM, Sang-Man;WOO, Jung-Wouk
    • THE INTERNATIONAL COMMERCE & LAW REVIEW
    • /
    • v.69
    • /
    • pp.567-588
    • /
    • 2016
  • Korea-China FTA and Korea-U.S. FTA are the most significant FTA in volume and economic effect for Korea's perspective. Developed countries have dealt with environmental issues one of the main issues in FTA negotiation, while developing countries have been reluctant to it. Both Korea-China FTA and Korea-U.S. FTA have separate environment chapter respectively. A separate environment chapter was firstly introduced in Korea-U.S. for Korea's perspective. Both environment chapters provide high level of environment protection, recognition of multilateral environmental agreements, enforcement of environmental laws, and environmental cooperation. Both environment chapters require that each party make effort to improve environmental laws and measures. Korea-China FTA provides establishment a "Committee on Environment and Trade", and Korea-U.S. FTA provides establishment a "Environment Council" to oversee the implementation of environment clauses. Korea-China FTA and Korea-U.S. FTA have very similar provisions on environment and trade, and are expected to contribute to enhancing environment protection. However, a lot of provisions are somewhat declaratory rather than mandatory. Therefore, further environmental cooperation is encouraged to achieve the goals and objectives of the environment clauses and FTA.

  • PDF

Studies on the Derivation Basis of Surface Water Quality Standards for Human Health Protection and Drinking Water Standards in Foreign Countries: 1,4-Dioxane, Formaldehyde, and Hexachlorobenzene (인체건강보호를 위한 수질환경 및 먹는물 기준에 대한 외국의 도출근거 연구 : 1,4-Dioxane, Formaldehyde, Hexachlorobenzene를 대상으로)

  • Kwak, Jin Il;An, Youn-Joo
    • Journal of Korean Society on Water Environment
    • /
    • v.29 no.6
    • /
    • pp.842-846
    • /
    • 2013
  • In 2012, the Korean Ministry of Environment (MOE) added 3 new water quality standards for the protection of human health; specifically, regarding 1,4-dioxane, formaldehyde, and hexachlorobenzene. In this study, we assimilated the water quality standards of these 3 substances from other countries, with respect to surface water quality standards for human health protection and drinking water standards. We subsequently investigated how these standard values were derived. 1,4-Dioxane is managed as an environmental standard for human health in Japan, and as a drinking water quality standard in WHO, New Zealand, and Japan with respect to both carcinogenic and non-carcinogenic effects. In New York, the oncogenic effects of formaldehyde in drinking water intake is considered, whereas WHO, Australia, New Zealand, and Japan also assess the non-carcinogenic effects of formaldehyde when setting their standards. USEPA and New York have a water quality standard for human health protection with respect to hexachlorobenzene based on carcinogenic effects. This study focuses on deriving water quality standards for the 3 new substances, or obtaining baseline information to revise the values of existing substances in the future.