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Consideration of Procurement System and Material Homogeneity for Lime and Clay using the Tombs within the King Muryeong and the Royal Tombs in Gongju, Korea (공주 무령왕릉과 왕릉원 내부에 사용한 석회 및 점토의 재료학적 동질성과 조달체계 검토)

  • Choi, Il Kyu;Yang, Hye Ri;Lee, Chan Hee
    • Economic and Environmental Geology
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    • v.55 no.5
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    • pp.447-463
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    • 2022
  • The lime and clay that used in the construction of the Tomb of King Muryeong and the Royal Tombs in Gongju are auxiliary materials, and are used joint and plaster materials for the wall to play a role of structural support. In this study, the homogeneity between the tombs and material characteristics were interpreted through quantitative analysis of lime and clay. As a result of microtexture and composition analysis, almost the same minerals were identified in each sample groups, and similar characteristics were shown in thermal analysis. Geochemically, it is confirmed that the behavior characteristics are very similar regardless of the tombs. The compositions is also confirmed high homogeneity in the diagrams of CaO-MgO-SiO2, RO2-(RO+R2O) correlations, A-CN-K and A-CNK-FM triangles. Therefore, it is interpreted that the clay used for the construction of the tomb complex was supplied from around area, and the raw materials of lime were produced using shell fragments of oyster family based on mainly composed of calcite. It is interpreted that the raw materials of lime were supplied from middens along the west coast of down the Geumgang river in Korean peninsula, but the consideration of the supply site, needs to be cross-validated through stable isotope analysis, use of carbonate rock and reproduction experiments.

A Study on The Necessity of Establishing an IT-Based Local Government Safety and Health Management Information Integration System (IT 기반 지자체 안전보건 관리 정보 통합 시스템 구축 필요성에 관한 연구)

  • Seo-Yeon Choi
    • The Journal of the Korea institute of electronic communication sciences
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    • v.18 no.4
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    • pp.701-708
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    • 2023
  • Local governments are required to take measures to prevent occupational accidents under Articles 4(2) and 4(3) of the Occupational Safety and Health Act, and this study suggested the necessity of establishing an IT-based integrated safety and health information sharing system for serious accident reduction and safety and health management through the case of Incheon Metropolitan City. Recently, as local governments have established labor and health ordinances and basic plans, the need for an independent integrated safety and health management system based on local industrial characteristics has increased. It is necessary to establish a cooperation and support system with basic local governments and hub institutions, share integrated safety and health information with related institutions and organizations, and play a pivotal role in regional safety and health management by managing occupational accident statistics and implementing basic policies. The system through local governments' safety and health management will reduce serious accidents in the region, and the comprehensive safety and health management system for small businesses and projects ordered by local governments will strengthen the operability of the site, which will be effective in preventing critical accidents and industrial accidents.

A Study on the Role of Policy Broker in the Broadcasting and Telecommunications Convergence Environment (방송통신융합 환경에서 정책중개자의 역할 연구: MediaRep 사례를 중심으로)

  • Sung, Wookjoon
    • Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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    • v.7 no.6
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    • pp.621-634
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    • 2017
  • This study is a study on the requirements, resources, and role of policy broker in the policy process. Particular attention was paid to two requirements of legitimacy (official authority, political support) and professionalism (information and expertise, skilled leadership) as the requirements of policy broker. This study analyzed the process of transforming the actor conflicts surrounding the media rep legislative process into a cooperative relationship by being mediated by a strong influential policy broker. Policy brokers can mediate opinions among participating actors and play a role in coordinating conflicting interests. In the mediarep policy process, the policy brokers were unable to resolve conflicts due to lack of legitimacy and expertise in the first phase (legislative grace period) and the second phase (legislative loophole). However, the legitimacy of the six subcommittees of the National Assembly (the legislative period) and the expertise of the Korea Communications Commission were able to succeed in policy-making by acting as a successful policy brokers through complementary activities.

A Study on the Adaptation to Korean College life of Uzbekistan Students' (재한 우즈베키스탄 유학생들의 한국 대학생활 적응에 관한 연구)

  • Firuza, Azizova
    • Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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    • v.8 no.4
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    • pp.517-531
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    • 2018
  • This study was carried out for the purpose of investigating Uzbekistan students's adaptation to Korea college life. Qualitative interviews were conducted in regards to the motivation for college entrance and stresses incurred during college life for 10 Uzbekistan students who were studying at I college located in Incheon. Data from the interviews were analyzed using theme analysis method. Most of the participants in this study got information about Korean colleges through their overseas study exhibitions in their own countries and became Korea college. The results showed that the reasons for college enrollment were (1)preparation for future goals (2)the influence of family. In Uzbekistan, parents play a big role in determining their children's education. Therefore, their decision to study abroad and the role of their parents were significant. The stress they experienced in college life fell into five categories, namely, (1)financial stress (2)stress about studies (3) stress in regards to human relationships (4)stress in regards to their futures and getting a job. In addition, this study discussed how to solve such as problems experienced by Uzbekistan students. And also the role of college and the necessity of providing appropriate support programs were discussed. Finally, the implications of these findings were presented.

Integrity evaluation of rock bolts in the field by using hammer-impact reflection method (해머 타격 반사법을 이용한 현장 록볼트 건전도 평가)

  • Yu, Jung-Doung;Bae, Myeong-Ho;Lee, Yong-Jun;Min, Bok-Ki;Lee, In-Mo;Lee, Jong-Sub
    • Journal of Korean Tunnelling and Underground Space Association
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    • v.11 no.1
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    • pp.47-56
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    • 2009
  • Rock bolts and shotcrete play a crucial role as a main support system in the underground space. Thus, the safety of the underground space may be affected by the defect of rock bolts. In order to evaluate the rock bolt integrity by using non-destructive technique, the transmission method of the guided ultrasonic waves, which are generated by using the piezo disk elements has been successfully performed. The energy generated by the piezo disk elements, however, is not enough for the rock bolts in the field. In addition, the piezo disk elements should be installed at the end of the steel bar during construction of the rock bolts. The purpose of this study is the devolvement of the reflection method, which may generate enough energy, and the application in the field rock bolts. Both laboratory and field tests are carried out. The guided ultrasonic waves with high energy are generated by the hammer impact with the center punch, and the AE sensor is used to measure the reflected guided waves. The received guided waves are analyzed by the wavelet transform. The peak value of the wavelet transform produces the energy velocity, which is used for the evaluation of the rock bolt integrity. The energy velocity increases with an increase in the defect ratio in both laboratory and field rock bolts. This study demonstrates that the hammer-impact reflection method may be a suitable method for the evaluation of the rock bolt in the field.

A Study on Early Childhood Teachers' Perceptions of ESD-Oriented Ecological Art Activities (지속가능발전교육(ESD) 지향 생태미술활동에 관한 유아교사의 인식연구)

  • Young-Ran, Jung;Hee-Jung, Kim
    • The Journal of the Convergence on Culture Technology
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    • v.9 no.4
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    • pp.291-301
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    • 2023
  • The purpose of this study is to examine the perception of early childhood teachers on ecological art activities oriented to education for sustainable development. The research results are as follows. First, Early childhood teachers recognized the visual art of natural media, the pursuit of community values, and the participation and communication of social members as educational significance of ecological art activities. And difficulties in practicing ecological art were recognized as lack of educational environment, lack of ecological art teaching materials and specific examples, and teachers' lack of understanding of ecological art. Also, they recognized that ecological art activities foster core competencies in art experience area, such as nature-friendly communication skills, eco-friendly sensibility, and creative convergence skills. Second, regarding ecological art activities and sustainable development education, early childhood teachers considered the difficulties in practice as lack of awareness about sustainable development, lack of play meia and materials, lack of educational policies and support, and insufficient teacher training programs. Also, regarding the SDGs that can be practiced in ecological art activities, teachers were found to be highly aware of 'grow affordable and clean energy', 'improve clean water and sanitation', 'provide quality education' in the order. In the contents of education for sustainable development that can be practiced in ecological art activities, teachers are given the order of 'climate change response', 'clean energy', 'water and sanitation', 'quality education', 'health and well-being' and 'marine ecosystem'. was highly recognized. If an ecological art activity program is developed, the rate of responding that it will be used is high, so it is considered that the development of an ESD-oriented ecological art activity program is urgent.

Exploring Picture Book Reding Ecperiences of 2-Year-Olds Using Sensuous Reading Media (감각적 읽기 매체를 활용한 만2세의 그림책 )

  • Nam, Ki-won;Lee, su-jung
    • The Journal of the Convergence on Culture Technology
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    • v.9 no.3
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    • pp.359-370
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    • 2023
  • The purpose of this study is to analyze the meaning of picture book reading experience for 2-year-old children using sensory reading media and to suggest a plan to support language ability through meaningful reading. For this study, 35-month-old boys were selected, and data collection was conducted based on participant observation and field record notes at home and analyzed qualitatively. In this study, for about two months from March 20th to April 30th, 2021, all the time of exploring picture books and playing were recorded and the data were collected. The recording time was about 20 hours, and the collected data and field records were transcribed on 108 pages of A4 paper. The results of the study showed that 2-year-old infants were immersed in exploring new media through the experience of reading picture books using sensory reading media, comparing with similar media, and reading picture books using media. In addition, it was found that the emergence of leading reading that selects and reads books by Hans himself, exploration using reading media, and play linked to picture books in everyday life.This can be seen as a result of suggesting that the picture book reading experience of 2-year-olds using sensory reading media is meaningful to the reading experience of infants.

A Estimation Study on Water Integration Management Model using Water-Energy-Food-Carbon Nexus - Focused on Yeongsan River - (물-에너지-식량-탄소 넥서스를 이용한 통합물관리 모델 평가 연구 - 영산강 수계를 중심으로 -)

  • Na, Ra;Park, Jin-hyeon;Joo, Donghyuk;Kim, Hayoung;Yoo, Seung-Hwan;Oh, Chang-Jo;Lee, Sang-hyun;Oh, Bu-Yeong;Hur, Seung-oh
    • Journal of Korean Society of Rural Planning
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    • v.29 no.1
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    • pp.37-49
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    • 2023
  • Active attention and effort are needed to develop an integrated water management system in response to climate change. In this study, it proposed models for cross-use of agricultural water and river maintenance water using sewage treatment water as an integrated water management system for the Yeongsan River. The impact of the integrated water management models was assessed by applying the concept of Nexus, which is being presented worldwide for sustainable resource management. The target year was set for 2030 and quantitatively analyzed water, energy, land use and carbon emissions and resource availability index by integrated water management models was calculated by applying maximum usable amount by resource. An integrated water management system evaluation model using the Nexus concept developed in this study can play a role that can be viewed in a variety of ways: security and environmental impact assessment of other resources. The results of this research will be used as a foundation for the field of in the establishment of a policy decision support system to evaluate various security policies, as we analyzed changes in other factors according to changes in individual components, taking into account the associations between water, energy, food, and carbon resources. In future studies, additional sub-models need to be built that can be applied flexibly to changes in the future timing of the inter-resource relationship components.

A Study on the Impact of Online Political Activity on Attitudes Toward Sexual Minority Issues: Focusing on Legalizing Same-sex Marriage and Enacting an Anti-discrimination Law. (온라인 정치적 활동이 성소수자 이슈에 대한 태도에 미치는 영향: 동성결혼 합법화와 차별금지법 제정 문제를 중심으로)

  • Fujisaki, Yoshie;Kang, Sinjae;Jin, Youngjae
    • Korean Journal of Legislative Studies
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    • v.25 no.3
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    • pp.33-67
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    • 2019
  • This study analyzes whether online political activities have an important impact on attitudes toward the legalization of same-sex marriage and the anti-discrimination law and whether these effects are different by the religion of voters. The main findings are as follows. First, the ideology variable has a significant effect on attitude toward legalizing same-sex marriage and enacting anti-discrimination law. Second, the higher the degree of online political activities, the more likely they will support two issues. Third, the effect on attitudes toward the enactment of anti-discrimination law has appeared different by religion. In other words, Protestants, compared to other religions, are more likely to oppose the enactment of anti-discrimination laws as the level of online political activities increased. Our study is meaningful in that we found online political activities play an important role in making voters' attitudes positively toward the enhancement of the right of sexual minorities. Also, although ideological conflicts are usually intense in diplomatic and security issues in Korea, the sexual minority issue would be likely to be an crucial as a dimension of ideological conflicts.

Analysis of Individualized Education Support Team Intervention Objectives Using International Classification of Functioning, Disability and Health-Children and Youth Version and the Necessity of Occupational Therapists as IEP Members: A Systematic Review (국제기능장애 건강분류: 아동 청소년 버전을 이용한 개별화교육지원팀 중재목표 분석 및 개별화교육계획 구성원으로서 작업치료사의 필요성: 체계적 고찰)

  • Yun, Sohyeon;An, Hyunseo;Kim, Inhye;Park, Hae Yean
    • Therapeutic Science for Rehabilitation
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    • v.12 no.4
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    • pp.23-37
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    • 2023
  • Objective : This study systematically reviewed the collaborative team interventions of the Individualized Education Plan (IEP) using the International Classification of Functioning, Disability, and Health-Children and Youth (ICF-CY) framework to establish the professional domain of occupational therapists in Korea and their role as experts in IEP cooperative team interventions in special education. Methods : Articles were collected from the EBSCOhost, ProQuest, and PubMed databases. International search terms included "Special education," "Individualized education plan (IEP)," "IEP process," "IEP implementation," and "Occupational therapy." The study period was limited from January 2013 to February 2023, and the final 10 studies were analyzed using secondary classification. Results : Most studies were randomized experiments targeting individuals with autism, and often employed environmental improvements. The IEP collaborative team interventions using the ICF-CY framework emphasized goals related to activity (five studies), participation (four studies), and body structure/function (one study). Conclusion : Occupational therapists play a crucial role in collaborative IEP team interventions. This study established expertise in the context of special education in South Korea.