• Title/Summary/Keyword: life-long education institute

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Exploiting Natural Diatom Shells as an Affordable Polar Host for Sulfur in Li-S Batteries

  • Hyean-Yeol Park;Sun Hyu Kim;Jeong-Hoon Yu;Ji Eun Kwon;Ji Yang Lim;Si Won Choi;Jong-Sung Yu;Yongju Jung
    • Journal of Electrochemical Science and Technology
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    • v.15 no.1
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    • pp.198-206
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    • 2024
  • Given the high theoretical capacity (1,675 mAh g-1) and the inherent affordability and ubiquity of elemental sulfur, it stands out as a prominent cathode material for advanced lithium metal batteries. Traditionally, sulfur was sequestered within conductive porous carbons, rooted in the understanding that their inherent conductivity could offset sulfur's non-conductive nature. This study, however, pivots toward a transformative approach by utilizing diatom shell (DS, diatomite)-a naturally abundant and economically viable siliceous mineral-as a sulfur host. This approach enabled the development of a sulfurlayered diatomite/S composite (DS/S) for cathodic applications. Even in the face of the insulating nature of both diatomite and sulfur, the DS/S composite displayed vigorous participation in the electrochemical conversion process. Furthermore, this composite substantially curbed the loss of soluble polysulfides and minimized structural wear during cycling. As a testament to its efficacy, our Li-S battery, integrating this composite, exhibited an excellent cycling performance: a specific capacity of 732 mAh g-1 after 100 cycles and a robust 77% capacity retention. These findings challenge the erstwhile conviction of requiring a conductive host for sulfur. Owing to diatomite's hierarchical porous architecture, eco-friendliness, and accessibility, the DS/S electrode boasts optimal sulfur utilization, elevated specific capacity, enhanced rate capabilities at intensified C rates, and steadfast cycling stability that underscore its vast commercial promise.

A Study on Architectural Plan of School Library that is Opened to Local Community (지역사회(地域社會)에 개방(開放)된 학교도서관(學校圖書館)의 건축계획(建築計劃)에 관(關)한 연구(硏究) - 서울지역 초.중.고등학교를 중심으로 -)

  • Lee, Seok-Min;Whang, Hee-Joon
    • Journal of the Korean Institute of Educational Facilities
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    • v.18 no.6
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    • pp.65-73
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    • 2011
  • The Educational facilities is accomplishing the role as the community facilities through various programs that the culture leisure long-life education facilities etc. But The local residents do not use that facilities which is opened in the community actually well. Because it does not consider the various things that convenient for resident users who is not student. With sameness, School library which is opened to local community can not expect as a Public library with modem library services. The purpose of this study is propose the direction of architectural plan that must be considered for the sufficient role the School library which is opened to local community as the Public library.

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A Study on the Spatial Characteristics of Public Library (공공도서관의 실내공간특성에 관한 연구)

  • Chang, A-Ri;Hwang, Yeon-Sook
    • Korean Institute of Interior Design Journal
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    • v.16 no.6
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    • pp.172-180
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    • 2007
  • As library have become changed. Beyond conventional simple functions such as data storing and recording, the functions of modern public libraries are expended to various directions, for example functions of encouraging residents to utilize information and participate in cultural activities and also a function of life-long education, resulting in playing a role as complex space. As the role of public libraries changes into a complex one, spatial planning reflecting this change is required. Spatial arrangements, furniture arrangements and interior images in 12 public libraries in Seoul were analyzed. As a result of the study, it was found that in spatial arrangements, many public libraries linked spaces by functions. Furniture arrangements have been changing from the closed arrangement to the open arrangement. Interior images were identified as static and simple except digital information space. Accordingly, public libraries have became needed to play a proper role of community facilities for local residents by planning furniture arrangements and conducting interior designs taking characteristics of many different users into consideration.

A Study on the Residential Services of Urban Type Senior Living for Active Senior (액티브시니어를 위한 도심형 노인주거서비스에 관한 연구)

  • Lee, Min-Hae;Lee, Hyun-Soo
    • Proceedings of the Korean Institute of Interior Design Conference
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    • 2008.05a
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    • pp.232-235
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    • 2008
  • This study aims to propose the residential service for Active senior from the age of 40's to 60's who prefers urban-type lifestyle. The lifestyle for Active senior was reorganized into the 5 main categories; convenience, well-being & activity, community, brand & Individuality and self-expression from the recent studies about the senior lifestyle. According to the lifestyle above, I propose the residential services to meet their needs. The result of the research, it showed that the services comcerned about the lifestyle; one stop living service, customized activity & health program, open community, various choices & facility differentiation and life-long education & working opportunity can be possible and more helpful in meeting the active senior's needs.

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A Study on the Promotion of the Availability of Multipurpose School Auditoriums for Use by Local Community - Based on Case Studies of Primary, Middle and High Schools in Busan - (학교시설 다목적강당의 지역주민이용 활성화 방안에 관한 연구 - 부산시내 초.중.고교 중심으로 -)

  • Bang, Taek-Hoon;Kim, Ki-Hwan
    • Journal of the Korean Institute of Educational Facilities
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    • v.13 no.3
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    • pp.56-65
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    • 2006
  • The multipurpose auditoriums in schools are the center of local community and the places of their life-long education. The multipurpose auditoriums are to be open and made available for use by local public as far as it does not interfere with the education of the schools. However, most of them are not open to public on the pretext of management problems while demands of local communities for the opening of the facility is rising. The role of the multipurpose auditorium as the place of physical training and its maximum availability to local community have be taken into account of from its design stage. The location of the auditorium itself has to be close to the main entrance of the school for easy access, its facilities located in one common area, their management and maintenance scheme adopted appropriately but legally, and then security and safety measurement have to be devised. Also, more studies are necessary to propose detail regulations for local sports facilities and to develop their interrelationship and network, in connection with sophistication of school facilities and BTL system.

A Study on the Design Guidelines through Analysis for the Open-Facilities of Elementary Schools in Busan (부산지역 초등학교의 개방시설 현황분석을 통한 개방시설의 계획방향에 관한 연구)

  • Park, Yoon-Gum
    • Journal of the Korean Institute of Educational Facilities
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    • v.16 no.1
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    • pp.59-68
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    • 2009
  • In the knowledge-base 21st century, schools are required functions as a place of education for student as well as a place of life-long education for community. Therefore schools are needed to be open and to be multiple. The purpose of this study is to analysis of open-facilities to community of twenty elementary schools in Busan and to suggest a design guideline for open -facilities of school plan at the base of this analysis. The main contents of this study are as follows: 1) Study for general ideals and necessity of opening school facilities to community. 2) Establish the study objects of the opening facilities by existing studies and a questionnaire. 3) Focused on twenty elementary schools in Busan, analysis of the characteristics of opening facilities in terms of the using efficiency, that is, the approachability, the recognition and the territoriality. 4) At the base of 1) 2) 3), results are as follows: $\circ$ In consideration of approachability, the block plan of the open-facilities should be designed at making a circulation system without interruption of the student's educational area. $\circ$ In consideration of recognition, the form and detail of external and internal of the open-facilities should be designed at making distinction with the student's educational area. $\circ$ In consideration of territoriality, the zone of the open-facilities should be designed at composing exclusive hall, staircase and sanitation.

School-Community Cooperation - A Case Study of Facility Share between the Middle School and the Community in Seong Dong Gu - (학교와 지역사회의 시설 공동 활용 - 성동구의 중학교와 지역사회의 시설 교차 이용을 중심으로 -)

  • Min, Chang-Kee
    • Journal of the Korean Institute of Educational Facilities
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    • v.4 no.1
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    • pp.5-20
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    • 1997
  • This paper is to survey the cooperation between the school and the community with respect to the degree of share of their facilities. The hypothesis of this paper is that the share of facilities between the school and the community is helpful for the two. That is, the community, using the school facilities, can educate to upgrade its people to higher social level. The school, using the community facilities, can compensate insufficient school facilities and facilitate student learnings. This paper employed both a literature survey and a case study approach explained by the case of Seong Dong Gu and its schools. This paper argued that the share of the facilities between the school and the community is needed to facilitate student learnings and to upgrade community people to higher level. Thus, government should encourage the cooperation between the two. This paper found that the school can use other schools' facilities, camping facilities, various types of private institute, community libraries, social welfare centers, athlentic facilities, and park facilities in the community. Most of the facilities are rested during school hours and are vacant more or less after school hours, so that there are still room for share the facilities with the students. This paper found that the community can easily use school facilities for life-long education programs, house-wife classes, athlentic programs for daily life, recreation classes for community people because the school is located in the center of the community. These programs using school facilities can encourage to upgrade community persons' social levels. However, this paper found that the degree of community use is insufficient to fulfil the school facilities. Only a few percent of the school class rooms and other facilities are used by the community. Therefore this paper asserted that community education programs using school facilities should be expanded. This paper recommended, based on the findings, that governments should encourage the cooperation between the school and the community to facilitate student's learnings and to upgrade community people to higher level. Also it recommended that the school should share more community facilities and that the community should share more school facilities.

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A Study on the Efficiency of Public Library in Present Condition and Management Analysis (공공도서관 설치 현황과 운영 분석에 대한 효율화 방안 연구)

  • Yaon, Yong-Gi;Lee, Jae-Rim
    • The Journal of Sustainable Design and Educational Environment Research
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    • v.6 no.1
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    • pp.1-24
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    • 2007
  • Public library is established on impartial accessibility of any distinction as their sex, age, financial status, etc. The function of public library is not only to accumulate materials and offer information but also minimize gulf between the rich and the poor by knowledge possession, which is realized by important means to intercept exclusive possession and power in knowledge pose-industrial society. As it is judged that most public library is established to individual building with thousands of cost, it is judged of obstacles to Increase library buildings. The purpose of this study is try to find the way to Increase In number of public library In Seoul by interaction local education-cultural facilities. The result from this study, the user rate of public library is influenced by number of buildings and accessibility of traffic and public library can improve efficiency by substantial operation by basic function for all age group. The target population of Seoul public library sizes by decuple of advanced countries because of difficulty of accessibility, so it needs to make it small scale and also can offer self-regulation learning, materials and life-long learning programs because generally public library's utilization purpose is different by age. As school in Seoul amounts to 25 times of public library by about 1,200 buildings and can function of lifelong education center with a school library, cultural center and other composition buildings, so school facilities may use as a public library for local residents.

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Search for Strategies of Vocational Training Institutes and their Competencies of CEO based on Delphi Method (직업훈련기관의 발전전략과 CEO의 역량 탐색을 위한 델파이 조사)

  • Kim, Jeong-Il;Kwon, Oh-Young;Rim, Kyung-Hwa
    • The Journal of Korean Institute for Practical Engineering Education
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    • v.4 no.1
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    • pp.146-155
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    • 2012
  • This research was conducted as a part of research project entitled 'A Fact-finding Survey of Management of Vocational Training Institutes and the Development of Training Program Model for their CEO'. The purpose of this paper was to investigate developing strategies for vocational training institutes in three sector; public institute, private institute and private academy for life long education and to develop practical and professional programs based on competencies model of CEO. The major subjects of this paper were developing strategies of three type of vocational training institutes, exploration of competencies of CEO, and training program for CEO. Delphi method was applied two times. The panel consists of 30 experts who relate to vacational training. The panel of experts emphasized the different own mission and function among three type of vocational institutes. Public institutes support the government policy and private institutes and academy. Private institutes develop specialized training programs that reflect the regional demand. Private academies focus on short-term service training. To recognize changing vocational training policy, to develop vision of institute, ethical mind and sense of mission and so on are presented as competencies of CEO.

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Analysis of the Causes for Continuous Employment of Employed Students after Graduation from Characterization High School -Focusing on the Commercial High Schools (특성화고등학교 졸업 후 취업자의 근속 원인 분석 연구 -상업계 고등학교를 중심으로)

  • Jeong, Kyu-Han;Lee, Jang-Hee
    • Journal of Practical Engineering Education
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    • v.14 no.1
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    • pp.165-177
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    • 2022
  • The purpose of this study is to present the direction of employment guidance for long-term service through the analysis of the cause of employment of employed students who graduated from specialized high school. In particular, the purpose is to present student guidance plans for long-term service by analyzing personal reasons for students graduating from commercial high schools and policy factors for individual, school, company, and government service after employment. To this end, a survey was conducted for graduates of commercial high schools nationwide, and the validity, reliability, and causality of the survey data were analyzed by applying Exploratory Factor Analysis, Cronbach's Alpha, and decision tree analysis techniques. We found that personal goal setting for employment is an important factor for working for more than 1 year, personal relationships at work and personal characteristics are important factors for working for more than 3 years. In addition, we found that the reason for getting a job is that personal reasons and school recommendations are great, special lectures on employment, camps, and 'advice from seniors and teachers' programs are helpful in finding a job, and accounting and computer related subjects are helpful for long-term employment. Accordingly, in specialized high schools, it is required to prepare specific instructional measures for education such as setting personal goals and the formation of human relationships that are the basis of social life, and to actively operate the above subjects and programs to help with employment and longevity.