• Title/Summary/Keyword: Agenda

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Interface Control to get Higher Efficiency in a-Si:H Solar Cell

  • Han, Seung-Hee;Kim, En-Kyeom;Park, Won-Woong;Moon, Sun-Woo;Kim, Kyung-Hun;Kim, Sung-Min
    • Proceedings of the Korean Vacuum Society Conference
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    • 2012.08a
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    • pp.193-193
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    • 2012
  • In thin film silicon solar cells, p-i-n structure is adopted instead of p/n junction structure as in wafer-based Si solar cells. PECVD is the most widely used thin film deposition process for a-Si:H or ${\mu}c$-Si:H solar cells. Single-chamber PECVD system for a-Si:H solar cell manufacturing has the advantage of lower initial investment and maintenance cost for the equipment. However, in single-chamber PECVD system, doped and intrinsic layers are deposited in one plasma chamber, which inevitably impedes sharp dopant profiles at the interfaces due to the contamination from previous deposition process. The cross-contamination between layers is a serious drawback of single-chamber PECVD system. In this study, a new plasma process to solve the cross-contamination problem in a single-chamber PECVD system was suggested. In order to remove the deposited B inside of the plasma chamber during p-layer deposition, a high RF power was applied right after p-layer deposition with SiH4 gas off, which is then followed by i-layer, n-layer, and Ag top-electrode deposition without vacuum break. In addition to the p-i interface control, various interface control techniques such as FTO-glass pre-annealing in O2 environment to further reduce sheet resistance of FTO-glass, thin layer of TiO2 deposition to prevent H2 plasma reduction of FTO layer, and hydrogen plasma treatment prior to n-layer deposition, etc. were developed. The best initial solar cell efficiency using single-chamber PECVD system of 10.5% for test cell area of 0.2 $cm^2$ could be achieved by adopting various interface control methods.

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A Study on the Agenda Setting Process of Teacher's Certification System in China (중국 교사자격제도의 의제설정 과정 분석)

  • Li, Yu-Yan;Jang, Seon-Hee;Chung, Jae-Young
    • Korean Journal of Comparative Education
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    • v.28 no.4
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    • pp.249-272
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    • 2018
  • The purpose of this study is to analyze which group led the process of agenda setting of teacher's certification system in China from 1978 to 2018 using the Cobb & Elder's theoretical model. The period of about 40 years from 1978 to 2018 is divided into the introduction period of teacher's certification period (1978~1992), transition period (1993~1998), and stabilization stage (1999~2018). The agenda setting process was analyzed. As a result, the group that led the process of agenda setting of the Chinese teacher's certification system varied according to the period. The introduction period of teacher's certification system was analyzed as 'Inside Access Model' led by policy makers and government, and the transition period was confirmed as 'Mobilization Model' led by Chinese government and Ministry of Education. The stabilization period was analyzed as 'Outside Initiative Model' led by various groups such as mass media, researchers, and government. It was found that the process of agenda setting of teacher's certification system had been changing toward democratization according to the degree of development of Chinese society, and the quality control of teacher certifications had been strengthened.

Conceptualizing the Inclusive City from Multidimensional Perspectives (포용도시 개념의 다차원적 모색)

  • Woo, Yoonseuk
    • Land and Housing Review
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    • v.11 no.4
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    • pp.27-34
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    • 2020
  • Making Inclusive Cities is a new urban agenda for better future cities. Inclusive cities should be conceptualized from multidimensional viewpoints including various academic disciplines beyond a single discipline such as urban planning/design and urban engineering which are primary disciplines to have handled urban challenges. The aim of this research is to propose diverse approaches to examine the concept of the inclusive city. This study examines the inclusive city from the lens of co-evolution, social exclusion, inclusiveness, and amenity, looking forward to more academic attempts to investigate this worldwide urban agenda.

Design and Evaluation of an Agent-based Intelligent System Modeling Architecture for Cockpit Agenda Management (항공시스템 아젠다 관리를 위한 에이젼트 모델의 설계 및 평가)

  • Cha, Woo-Chang
    • Journal of KIISE:Software and Applications
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    • v.27 no.6
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    • pp.642-650
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    • 2000
  • The pilot (human actor) involved in the control loop of the highly automated aircraft systems (machine actor) must be able to monitor these systems just as the machine actor must also be able to monitor the human actor. For its safety and better performance of the human machine system, each of the two elements must be knowledgeable about the other's intentions or goals. In fact, several recent accidents occurred due to goal conflicts between human and machines in a modern avionic system. To facilitate the coordination of these actors, a computational aid was developed. The aid, which operates in a part-task simulator environment, attempts to facilitate the management of the goals and functions being performed to accomplish them. To provide an accurate knowledge of both actors' goals and their function statuses, the aid uses agent-based objects representing the elements of the cockpit operations. This paper describes the development of the flightdeck goals and functions called Agenda Management.

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A Study of Agenda Mining for Humanities-Based Convergence Research (인문사회기반 융합연구 의제 도출 연구)

  • Park, Minsu;Noh, Younghee
    • The Journal of the Korea Contents Association
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    • v.20 no.4
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    • pp.62-76
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    • 2020
  • In this study, we analyzed future emerging technologies from the perspective of convergence research and arranged them into mega-trends, trends, and issues, to carry out predictions of the future environment and search for technologies that are expected to be closely related to human life, and ultimately to achieve convergence research agenda that can predict various social problems. First, we investigated and analyzed the literature mentioned about various promising technologies and analyzed them to analyze key words and summarize the most frequently used core key words to infer trends. Then, an agenda was drawn that emphasized connectivity with the humanities-based convergence research by stratifying and organizing the inferred trends and classifying them as core and derived trends. The necessity, innovation, convergence, feasibility, future-oriented, and acceptability of these derived agendas were investigated through a survey. The analysis showed that researchers conducting convergence research showed a high interest in agenda items that deal closely with daily life with feasible technologies in the near future, while they showed a rather low interest in issues such as technology that can be realized in the distant future, terrorism or international conflicts.

The Latest Agenda Trends of IMO and the Activities of ROK in IMO (IMO 최근 의제 동향 및 한국의 IMO 활동현황)

  • Kim, Kyoung-Mi;Cho, Ik-Soon
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.15 no.2
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    • pp.111-117
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    • 2009
  • IMO is treating various and numerous agenda with time, and the contents of agenda have been tending to achieve international standardization for details of technology, for example GBS(Goal based new ship construction standards), PSPC(Performance Standards of Protective Coating), LRIT(Long-Range Identification and Tracking of Ships), etc. This paper presents the latest agenda trend of IMO committees and analyzes the ROK's activities in response to IMO committees. In the result of analysis, ROK lacks in performance ability as a A-category council member as well as infrastructure to support the government activities in IMO continuously. Therefore, ROK should be conscious of policy approaches to international maritime tendency and needs to complete the internal/external infrastructure which leads the international maritime policy.

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A Study on the Expression of Philosophy Agenda through Animation Contents - Focusing on Korea's Animation film "Padak(2012)" - (애니메이션 콘텐츠를 통한 철학적 의제표현 연구 - 한국 애니메이션 영화 "파닥파닥(2012)"을 중심으로 -)

  • Kim, Ye Eun;Lee, Tae Hoon
    • Journal of Digital Convergence
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    • v.18 no.8
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    • pp.391-399
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    • 2020
  • Even though the animation industry has been growth since 2011, there is still imitation by public stereotype which insists that animation is only able to cover the young age group and is not the proper genre of art to convey a social or a philosophical agenda. However, describes the philosophical agenda of 'social class' and 'life and death' in the limited space by expressing characteristics and background of fish through its own way. Thus, it shows how animation goes beyond aforementioned limits. Straying from traditional happy-ending, it criticizes present social problems by telling despite fishes' effort they cannot escape from structural contradictions. The drawing technique in musical expresses the character's ideology and attitude to make people think about how we will behave in the face of life and death. Therefore the purpose of this paper is analyzing director Lee Dae-hee's animation and present the genre expandability of animation.

The impact of Digital Video Effects and subtitles on evaluation and agenda recognition in TV News (TV뉴스의 어깨걸이와 자막이 뉴스에 대한 평가와 의제 인식에 미치는 영향)

  • Bae, Jin-Ah
    • Journal of Digital Contents Society
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    • v.18 no.3
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    • pp.465-473
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    • 2017
  • An experiment was conducted to investigate the relationship between the DVEs and subtitles provided with anchor speech in TV news and the news evaluation, trust and agenda recognition. 120 university students were asked to watch four types of news that differed in the contents of their DVEs and subtitles, and then they evaluated the fairness, sensibility, and irritability of the news. The content of DVEs and subtitles were related to the irritability evaluation and trust of the news, and it was not related with the fairness and sensibility evaluation. When the DVEs and subtitles emphasizing the stimulating aspects of the issue were given, the irritability was highly evaluated and the trust was low. The evaluation on news fairness affected the news trust. The more they rated news as fair, the greater the trust in news. Unlike the assumption in this study, DVEs and subtitles were not the main factors influencing the news agenda perception, and the viewers tended to perceive the agenda based on the news content itself.