• Title/Summary/Keyword: Space Technology(ST)

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Poly(n-butyl acrylate-co-methyl methacrylate) and Poly(n-butyl acrylate-co-styrene)/Silicate Nanocomposites Prepared by Emulsion Polymerization

  • Park, Yeong-Suk;Chung, In-Jae
    • Macromolecular Research
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    • v.11 no.6
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    • pp.425-430
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    • 2003
  • Two types of poly(n-butyl acrylate) copolymer/silicate nanocomposites have been produced: poly(n-butyl acrylate-co-methyl methacrylate) [P(BA-co-MMA)]/silicate nanocomposites and poly(n-butyl acrylate-co-styrene) [P(BA-co-ST)]/silicate nanocomposites. The P(BA-co-MMA)/silicate nanocomposites shows the exfoliated structures but a P(BA-co-ST)/silicate nanocomposites have intercalated structures, because the BA/MMA comonomer has a higher polarity (e-value in Q-e scheme) than the BA/ST comonomer. The BA/MMA comonomer expanded the interlayer space of the silicate wider than did the BA/ST comonomer. The thermal degradation onset point of the P(BA-co-MMA)/silicate nanocomposites was 43$^{\circ}C$ higher than that of pure P(BA-co-MMA). P(BA-co-MMA)T5%, P(BA-co-MMA)T10%, and P(BA-co-MMA)T20% exhibit 134,302, and 195% increases, respectively, in their storage moduli at -20$^{\circ}C$ relative to the pure copolymer.

Current Status of Nanotechnology Development for Space Exploration (우주탐사용 나노기술 개발 동향)

  • Lee, Ho-Sung;Chae, Yeon-Seok
    • Current Industrial and Technological Trends in Aerospace
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    • v.6 no.1
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    • pp.90-98
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    • 2008
  • Nanotechnology(NT) refers to a field of advanced micro-technology covering the creation and manufacturing of materials on the atomic and molecular scale and requires interdisciplinary study with various fields including materials science, physics, chemistry, electronics and others. Whileas nanotechnology is a kind of micro and small scaled science, space technology(ST) is one of the larger and system technologies utilizing broad fields of mechanical, materials, electronics and communication technologies. It is necessary to select and concentrate the functional items of nanotechnology for efficient application to be utilized in space technology, due to the cross-sectional characteristics of nanotechnology within nanomaterials, nanoelectronics, and nanomanufacturing. This paper provides the current state of art of nanotechnology in space technology by evaluating NASA's activities and the 9th frame of the project ANTARES(Analysis of Nanotechnology Applications in Space Developments and Systems) with the support of the German Aerospace Center (DLR), Space Flight Management, Division Technology for Space Systems and Robotics. It has shown that it is necessary to apply nanotechnology to space technology in order to achieve international competitiveness, for the nanotechnology can bring the previously impossible things to reality. Since KARI plans to send an unmanned probe to the moon's orbit and land a probe on the moon's surface in 2025, it is urgently needed to incorporate nanotechnology to national space development plan.

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Performance Test of Paylad Data Receiving Equipment for STSAT-2 (과학기술위성 2호 탑재체데이터 수신시스템의 성능 시험)

  • Lee, Jong-Ju;Seo, In-Ho;Lee, Chol;Oh, Chi-Wook;Kim, Kyung-Hee;Park, Sung-Ok
    • Journal of the Korean Society for Aeronautical & Space Sciences
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    • v.35 no.4
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    • pp.347-352
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    • 2007
  • This paper describes the design and implementation of PFM(Proto Flight Model, PFM) of DRE(Data Receiving Equipment, DRE) for Science and Technology Satellite 2(STSAT-2) and the results of integration performance test. DRE components are X-band receiver, DCE(Data Combine Equipment, DCE) and RAC(Receiving and Archiving Computer, RAC). DCE consists of I&Q data combiner and ECL signal distributor. RAC consists of DRC(Data Receiving Card) and ST2RAS(STSAT-2 Receiving and Archinving Software). X-band receiver receives 10Mbps QPSK I, Q satellite data and sends the data to DCE. DRC stores the I&Q combine data from DCE to RAID. The pre-processing program sorts and stores to satellite status data and payload data. The performance of DRE in the functional and space environments test satisfies the requirements of STSAT-2.

A Study on the Aesthetic Experience in the Playful Space using Art and Technology (예술과 테크놀러지를 활용한 유희적 공간에서의 미적 경험에 관한 연구)

  • Kim, Seyoung
    • Korean Institute of Interior Design Journal
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    • v.22 no.3
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    • pp.61-69
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    • 2013
  • The conventional boundaries between art and technology are being torn down by the development of science in the 21st century. It is fulfilling the convergence to emphasize two-way communication. This research is to study the aesthetic experience of the space design which appeared in the playful space of art and technology. The purpose of this study is to analyze the expression and characteristics of the art and technology applied for the playful space, to present the intrinsic value of aesthetic experience, and finally to focus on the necessity of aesthetic experience in modern society. In the Playful space of art and technology, research methods and settings of the range to study the aesthetic experience are as follows: First, establish a theoretical consideration about the concept and characteristics of the aesthetic experience, based on Philosophical theories. Second, analyze the meaning of art and the expression elements and characteristics by using technology. Third, discuss the concept of play and features of aesthetic experience in the playful space. Fourth, investigate analysis of the case studies, focused on the architecture and space design announced through the media recently. Finally, proposes the value for the applicability of aesthetic experience that appears playful space works affect us. I saw the aesthetic experience that appears playful space independent reaction and lead to behavioral changes and physical experience to maximize the effectiveness of participation. and it is to maximize a pleasurable experience, while increasing the commitment to participate in the space. Expressions using art and technology are activated by stimulation of the emotional experience, creating a new aesthetic experience. In the modern, the new environment is being created by the convergence of art and technology and it stimulates the imagination of art. Also, it has been newly regulated the meaning of human emotions and consciousness in the new space, surrounded by technology.

The Coming Cyber Society - Types of Multimedia Applications & Services in Japan -

  • Ichinose, Susumu
    • Proceedings of the Korean Society of Broadcast Engineers Conference
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    • 1998.06b
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    • pp.1-3
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    • 1998
  • The 21st century will see the formation of a“Cyber society”that, while separate form the real world, will cooperate with it, leading to the further expansion and development of world society. Cyber society allows the formation of virtual space through the connection of multiple computers in a network. In this virtual space, multiple users can communicate with each other and can collect and exchange information while moving about freely and engaging in activities. Three main technologies are vital to the construction of the Cyber society: platform technology for converting multimedia information to optical signals and performing digital processing and communication processing on such signals; communications network technology for transferring these signals from one point to another; and application technology for configuring the Cyber society that will be formed on this network. This paper describes platform technology and network technology with an emphasis on their relationship to application technology for configuring the Cyber society, and will also discuss InterSpace, one of the cyber society platform system of the Cyber society.

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Case Study of Priority-Setting of National Strategic Technologies in Korea (한국의 국가전략기술분야 우선순위 설정에 관한 사례 연구)

  • 변도영;손석호;이정근;고대승;정근하;박병무
    • Proceedings of the Technology Innovation Conference
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    • 2002.02a
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    • pp.183-203
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    • 2002
  • The governments investment in R&D has rapidly increased so that a comprehensive and coherent approach to resource allocation has necessitated. Therefore the need for priorities in science and technology has been increased according to growing resources to science and technology. This study presents the methodology, process and results of priority-setting of national strategic technologies(IT, BT, NT, ST, ET, CT) through which 77 national key technologies are selected based on the criteria. Specifically it is intended to identify strategically necessary areas of focus for R&D, help leverage limited resources most effectively, and help coordinate government R&D activities by supplying ministries with a common set of priorities.

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A Study on Characteristics of Hybrid System on Affordance-based Future Housing using Convergence Technology (컨버전스 기술을 이용한 어포던스 기반 미래 주거공간의 하이브리드 특성에 관한 연구)

  • Kang, Min-Soo;Choo, Seung-Yeon;Park, Yong-Seo
    • Journal of the Korean housing association
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    • v.20 no.5
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    • pp.85-92
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    • 2009
  • In the coming 21st centuries, words of development of information communication technology among the key words being emerged as an important concern have been talked about frequently and ubiquitous environment that helps human living being networked with humans, objects and environments has been rapidly progressed, influencing significantly over the various fields as well as architectural area. And eventually in this architectural area, the space that is desired to be shown to and experienced by the people could be found in the creation of a space in a new form that has not been existed in this world by utilizing the information communication technology. The future housing delicately add using technology and AR system which is an essential element. The purpose of this study is to production and using each element and develop one-step advanced the hybrid system space. We have to select the best way of the construction future housing.

Analysis and Service Design of Mass Media Drama : 'The 1st Shop of Coffee Prince' (방송용 대중매체 드라마의 분석과 서비스 디자인 : '커피프린스 1호점'을 중심으로)

  • Lee, Jung-Kyo;Jee, Hae-Seong
    • Journal of Information Technology Services
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    • v.8 no.3
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    • pp.209-221
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    • 2009
  • The successful mass media drama, 'The 1st Shop of Coffee Prince', has received lots of supports from the audience by showing them a vivid life and also enabling them to dream a real fantasy. One among the most powerful strategies that made this drama stay successful is the marketing value of the drama space fully maximized when doing the production. This study, introducing a unique representation of 2-D cell matrix with x-y plots of drama space set along the time stream following the scenario, first proposes a quantitative way of uncovering the hidden relation between drama space and scenario using nonlinear matrix filtering method and, secondly, suggests possible service designs mainly constrained by economical standpoints of the stakeholder in producing the drama. The methodology may invoke a plausible contradiction with art instincts that have hardly been supposed to be affected by financial debate, which, nevertheless, must sometimes be allowed under the circumstance of pursuing optimality in programming and producing the drama that must survive in the world of competitive market of service business.

The Study on the Relativism in the De-materialization and the Hyper-surface Architecture (현대 공간의 비(非)물질화 경향과 초표피(超表皮) 건축에 관한 연구)

  • Kim, Sun-Young
    • Korean Institute of Interior Design Journal
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    • no.34
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    • pp.3-9
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    • 2002
  • Entering into the 21st century, digital culture and the innovation of media technology have drastically changed our understanding of the concept of space. Increased availability of information made possible by technological advancement has, directly or indirectly, contributed to the development of space design, which, in turn, offers a possibility for a new paradigm in space design. Given these fundamental changes, this study seeks to explore how to understand the expansion of the concept of space. In order to answer this question, this study investigates de-materialization tendency in modern architectural design such as transparency, anti-gravity, complexity and simultaneity of space. It examines the interaction-oriented nature of space among human, information and time. Finally, based on concepts such as new hyper-surface, which transcend the limitations of space and time, it explores new emerging trends in space design.