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Multicomponent Nanostructured Materials for Separation Membranes

  • Peinemann, Klaus-Viktor
    • Proceedings of the Membrane Society of Korea Conference
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    • 2004.05a
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    • pp.11-11
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    • 2004
  • Under the coordination of GKSS a new European project in the field of membrane development started recently. This project focuses on the development of novel nanostructured materials for selective material transport and separation. Two classes of materials will be developed in this project: nanostructured organic/inorganic hybrid materials and functional self-organized supramolecular copolymers.(omitted)

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Regionalization of neonatal care and neonatal transport system (신생아 괸리의 지역화 및 전원시스템)

  • Sin, Jong Beom
    • Clinical and Experimental Pediatrics
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    • v.50 no.1
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    • pp.1-6
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    • 2007
  • In the United States, The concept of designation for hospital facilities that care for newborn infants according to the level of complexity of care provided was first proposed in 1976. The extent of perinatal health care regionalization varies widely from one area to the other. facilities that provide hospital care for newborn are classified into three categories on the basis of functional capabilities; level I-primary or basic care, level II-secondary or specialty care, level III-tertially or subspecialty care. These facilities should be organized within a regionalized system of perinatal care. The transport system of newborn infants should be organized for referral of high risk newborn to centers with the personnel and resources needed for their degree of risk and severity of illness. In Korea, The korean society of neonatology was established and articulated in the 1994. During the past decade, the number of neonatologist has increased and neonatal intensive care units have proliferated in Korea. However, no standard definitions exist for the graded levels of complexity of care that neonatal intensive care units provide and no uniform guideline or recommendation for regionalization and referral system of high risk neonate have been established. With the rapid changing neonatal care system in Korea, the optimal neonatal care demands regionalization of care in utilization of manpower resources and in efficient use of advanced technology and facility.

A Study en the Change of the Office Interior Environment According to the Social Change (사회적 변화에 따른 사무실 실내 환경의 변화에 관한 연구)

  • 이종란
    • Korean Institute of Interior Design Journal
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    • no.28
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    • pp.77-83
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    • 2001
  • This study is to suggest the desirable office environment In the Information society, after taking a look at how social changes have affected our office environments. the industrial society was to produce or to process natural resources. It was vertically organized and the hierarchy among its members was very much emphasized. However, in the information society, information itself became a very important resource as well as a product. The information society is like a horizontally organized network, where the individual capacity and the efficiency of teamwork are more emphasized than the hierarchy among its members. The office environment in the industrial society was for the massive processing of documents related to business under the guidance and vigil of a supervisor. however, accuracy and swiftness in processing documents were also emphasized when the concept of office landscaping and office automation were introduced in the middle of the 20th Century. The information society, that started in the late 20th Century, will be continuously developed in the 21st Century. In order to improve work efficiency in the information society, the office environment should be able to effectively use information and communication technologies and to efficiently manage networked organizations. This study suggests that the office environment in the information society should have connectivity, security, flexibility, mobility, and adaptability as its essential characteristics.

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An analysis and teaching of cultural contents in the first-grade High School English textbooks (고등학교 1학년 교과서에 나타난 문화소재 분석과 지도방안)

  • Im, Byung-Bin;Gu, So-Young
    • English Language & Literature Teaching
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    • v.11 no.1
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    • pp.155-177
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    • 2005
  • In the EFL context, Korean students don't have enough opportunities to directly experience the target culture, prompting the need to offer some well-organized culture education in class. The goals of this study are to analyze how many cultural contents are reflected in High School English textbooks and to suggest an implication for cultural learning. These textbooks were carefully examined, focusing on the cultural contents, by four categories: 'cultural skill section', 'cultural patterns', 'related language skills', and 'target countries'. The results of the analysis were like the following: First, although many of the textbooks are dealing with the culture skill sections, their contents were still wanting consistency and were small in quantity. Second, as for the cultural patterns, the pages dealing with behavioral culture were 43%, spiritual culture, 35.7%, material culture, 21.3%. Third, as for the related language skills, the cultural contents in the textbooks were organized in the order of listening, reading, speaking, writing, and cultural skill sections. Since it is impossible to separate language skills from culture, we suggest that the aspects of target culture should be incorporated in various forms into the learning situations. Fourth, as for the issue of target countries, the contents about the general or whole English culture were insufficient. So we suggest that English textbooks should play an essential role in providing students with various cultural information about various English speaking countries.

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Topological phase transition according to internal strain in few layer Bi2Se3 thin film grown via a self-organized ordering process

  • Kim, Tae-Hyeon;Park, Han-Beom;Jeong, Gwang-Sik;Chae, Jae-Min;Hwang, Su-Bin;Jo, Man-Ho
    • Proceedings of the Korean Vacuum Society Conference
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    • 2016.02a
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    • pp.272.1-272.1
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    • 2016
  • In a three-dimensional topological insulator Bi2Se3, a stress control for band gap manipulation was predicted but no systematic investigation has been performed yet due to the requirement of large external stress. We report herein on the strain-dependent results for Bi2Se3 films of various thicknesses that are grown via a self-organized ordering process. Using small angle X-ray scattering and Raman spectroscopy, the changes of d-spacings in the crystal structure and phonon vibration shifts resulted from stress are clearly observed when the film thickness is below ten quintuple layers. From the UV photoemission/inverse photoemission spectroscopy (UPS/IPES) results and ab initio calculations, significant changes of the Fermi level and band gap were observed. The deformed band structure also exhibits a Van Hove singularity at specific energies in the UV absorption experiment and ab initio calculations. Our results, including the synthesis of a strained ultrathin topological insulator, suggest a new direction for electronic and spintronic applications for the future.

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