• Title/Summary/Keyword: Society and history

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Consideration on the T-history Method for Measuring Heat of Fusion of Phase Change Materials (PCM의 잠열측정을 위한 T-history법에 대한 고찰)

  • 박창현;최주환;홍희기
    • Korean Journal of Air-Conditioning and Refrigeration Engineering
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    • v.13 no.12
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    • pp.1223-1229
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    • 2001
  • Though conventional calorimetry methods such as differential scanning calorimetry (DSC) and differential thermal analysis (DTA) are used generally in measuring heat of fusion, T-history method has the advantages of a simple experimental apparatus and no requirements of sampling process, which is particularly useful for measuring thermal properties of inhomogeneous phase change materials (PCMs) in sealed tubes. However, random criteria (a degree of supercooling) used in selecting the range of latent heat release and neglecting sensible heat during the phase change process can cause significant errors in determining the heat of fusion. In the present study, it was shown that a 40% discrepancy exists between the original T-history and the present methods when analyzing the same experimental data. As a result, a reasonable modification to the original T-history method is proposed.

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Development of a Dynamic Geometry Environment to Collect Learning History Data

  • Mun, Kill-Sung;Han, Beom-Soo;Han, Kyung-Soo;Ahn, Jeong-Yong
    • Journal of the Korean Data and Information Science Society
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    • v.18 no.2
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    • pp.375-384
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    • 2007
  • As teachings that use the ICT are more popular, many studies on the dynamic geometry environment(DGE) are under way. An important factor emphasized in the studies is to practical use learning activities of learners. In this study, we first define the learning history data in DGE. Second we develop a prototype of the DGE that is able to collect and analyze the learning history data automatically. The environment enables not only to grasp leaning history but also to create and manage new learning objects.

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A Study on the Level of Medical Record Documentation and Agreement in the Information on the Patient's Past History (과거력 의무기록 정보의 기재정도 및 일치도 분석)

  • Seo, Jung-Sook;Yu, Seung-Hum;Oh, Hyohn-Joo;Kim, Yong-Oock
    • Korea Journal of Hospital Management
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    • v.13 no.1
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    • pp.42-64
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    • 2008
  • This study was conducted to evaluate the quality in medical records by analyzing its completeness through setting up the level of record on the patient's past history and through examining the actual medial records. Targeting the information on the patient's past history in interns' records, residents' records and nurses' records toward 403 inpatients who were admitted first in 2004 at an university hospital due to stomach cancer. We analyzed whether the charts were recorded or not, recording level, the satisfaction with the expectant level of the records in the hospital targeted for a research and the level of agreement. The results were as follows; first, as for the rate of recording those each items, they were high in the chief complaint & present illness and the past illness history. Depending on the group of recorders, the recording rate showed big difference by items. Second, as a result of measuring the level after dividing the recording level of items for the patient's past history from Level 1 to Level 4 by each item, the admission history, the past illness history, and the family history were about Level 3, and the smoking history, the medication history, the chief complaint & present illness, the drinking history and allergy were about Level 2. In the admission department, it was excellent in the interns' records for the medical department. Third, as a result of its satisfactory level by comparing the expect level of a record and the actual record by item in information on the patient's past history, which was expected by the medical-record committee members of the hospital targeted for a study. And forth, we analyzed the level of agreement with Kappa score in the level of 'Yes' or 'None' related to the corresponding matter in Level 1, in terms of information on the past history in the intern's record, the resident's record, and the nurse's record. The level of agreement in the resident's record & the nurse's record, and in the intern's record & the resident's record was from "excellent" to "a little good". There were differences in the level of completeness and in reliability for the information on the past history by the recorder group or by the admission department. The encounter process that was performed by the admission department or the recorder group, indicated the result that was directly reflected on the quality of medical records, thus it was required further study about the medical record documentation process and quality of care. The items that showed the high recording rate quantitatively were rather low, consequently we'd should develop the tool for the qualitative inspection and evaluate the medical records further. And the items were needed to be detailed in the record level were rather low, and hence there needed to be a documentation guideline and education by the clinical departments.

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Recognition and Narrative Aspects of the History of Korean Classic Literature from Two Korean Literature History Works Written in China (중국 한국문학사 2종의 한국고전문학사 인식과 서술 양상: 남북한문학사와 자국문학사의 수용과 변용을 중심으로)

  • Lee, Deung-yearn
    • Cross-Cultural Studies
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    • v.48
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    • pp.67-106
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    • 2017
  • This study focuses on two specific history of Korean literature in Chinese: the outline of The History of Joseon Literature (2010) by Li Yan and The History of Joseon Literature (1988, 2008) by Wei Xu-sheng; it was conducted to compare narrative viewpoints to the history of South and North Korean literature and therefore identify distinguishable characteristics. As a result, the following was concluded. First, The History of Korean Literature by Cho Dong-il and The History of Korean Literature in North Korea (15 volumes) include thorough discussions on division of historical eras, concept of genres as well as individual literary works and applied such discussions on writing literary history. However, Wei Xu-sheng and Li Yan's The History of Korean Literature did not illuminate theoretical discussion of South and North Korea. Li Yan's outline of The History of Joseon Literature was published in 2010 and the first edition of Wei Xu-sheng's The History of Joseon Literature was published in 1986 and later was published as revised editions in 2000 and 2008. Regarding published dates, it is a matter of course to reference Cho Dong-il's The History of Korean Literature, published in the 1980s, or The History of Korean Literature in North Korea (15 volumes), published in the 1990s; nevertheless, neither Wei Xu-sheng nor Li Yan used those texts in their works. Their works were heavily influenced by the narrative tradition of the history of national literature and therefore, entailed unsophisticated discussion on the division of historical eras or the concept of genres. Second, those two texts also emphasized external factors such as politics, society, economy and culture and explicitly mention these factors in historical overview of each chapter. Such an approach is commonly used in narratives of literary history under socialist regimes, including The History of Korean Literature in North Korea (15 volumes). Accordingly, evaluations based on 'political standards' - stress of people, nationality, practicality and so forth - in main texts are particularly accentuated, akin to narratives of literary history under socialist regimes. Finally, since those two Korean literature history works are written by Chinese scholars, they focus on correlation between Chinese literature history and Korean literature history. However, several genre-related terminologies such as Xiaopin (a kind of essay), Yuefu (a kind of popular song/poem), Yuyan (fable), Shuochang (telling of popular stories with the interspersal songs), Shizhuan (biography or/and memoirs in history) were adopted directly from Chinese literature. In analyzing Korean literature using terminologies introduced from Chinese literature, differences between original and alternative definitions were not examined in detail. While some terminologies and concepts were adopted directly without further consideration as to state of the two nations, it is also interesting to note that dichotomy, mainly used in Korean literature history, was used to discuss the genre of Cheonki (romance tale), relevant to Suyichon and Keumosinhua, rather than follow traditions of Chinese literature history.

Two Presentation Ways of Complex Numbers Consulting History and Intellectual Interest (수학사와 지적 흥미를 고려한 복소수의 두 가지 제시 방법)

  • Lee, Gi Don;Choi, Younggi
    • Journal for History of Mathematics
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    • v.26 no.4
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    • pp.259-275
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    • 2013
  • It has been proposed since modern times that we need to consult the history of mathematics in teaching mathematics, and some modifications of this principle were made recently by Lakatos, Freudenthal, and Brousseau. It may be necessary to have a direction which we consult when modifying the history of mathematics for students. In this article, we analyse the elements of the cognitive interest in Hamilton's discovery of the quaternions and in the history of discovery of imaginary numbers, and we investigate the effects of these elements on attention of the students of nowadays. These works may give a direction to the historic-genetic principle in teaching mathematics.

A Comparative Study on The P'aerim and the Taedong Yasung -Unofficial History Collections of the Yi Dynasty- ($\ll$패림$\gg$$\ll$대동야승$\gg$의 이동 -소수서목 상호비교-)

  • Chung Hyung-Woo
    • Journal of the Korean Society for Library and Information Science
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    • v.2
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    • pp.79-102
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    • 1971
  • The P'aerim and the Taedong Yasung are the two better known among unofficial history collections of the Yi Dynasty still available. The compilers and writers of unofficial historical records generally were people without official connection with the incidents recorded, and were thus in a position to be critical in their evaluation. Therefore, in order to gain a balanced view of Korean history, these unofficial history sources must also be consulted. However, there are differences in the contents of various unofficial history collections, even though the titles may be identical. For this reason, the writer has made a comparative study on the. contents of both the P'aerim and the Taedong Yasung. As a result, various differences between the two collections are noted. This points out the need for continued research on collections of unofficial historical records.

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The Study on the Chalbyungyogyul (察病要訣), Discovered in Yeongwol-gun (영월군 가전(家傳) 『찰병요결(察病要訣)』에 대한 연구)

  • Ku, Minseok;Kim, Minseon;Lee, Hyang-Young;Cha, Wung-Seok;Kim, Namil
    • The Journal of Korean Medical History
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    • v.31 no.2
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    • pp.73-82
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    • 2018
  • Chalbyungyogyul (察病要訣) is a book of Korean Medicine which contains simple knowledges combined with experienced prescriptions. This study intends to introduce a manuscript of Chalbyungyogyul handed down in a family in Yeongwol-gun and analyze the Eui'an (醫案) in it. This book includes common sense in medicinal herbs and 142 cases of Eui'ans. The Eui'ans in Chalbyungyogyul can be divided into three types. Some Eui'ans state miraculous effects. External medical treatments are used in another group of Eui'ans. In the other Eui'ans, prescriptions composed by a single herb are applied. These characteristics are differentiated from those of preexisting Eui'ans in the history of Korean medicine which mainly include complexly prescribed internal medicines and medical discussions. This book vividly describes medical practice in the early 20th century and shows the realization of theoretical writings. Above all, it is a valuable discovery of Eui'an compilation which is rare in the history of Korean medicine.

History and Activities of Korea Institute of Healthcare Architecture (한국의료복지시설학회의 역사와 활동)

  • Yu, Youngmin
    • Journal of The Korea Institute of Healthcare Architecture
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    • v.18 no.4
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    • pp.67-74
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    • 2012
  • Purpose: Since the establishment of Korea Society for the Study of Hospital Architecture, Korea Institute of Healthcare Architecture have carried out various activities to improve the level of healthcare architecture in Korea. Despite of more diverse activities than the beginning, the history and activities of early days of the Society and Institute could be forgotten and omitted. So this paper aims to describe accurately the process of establishment of Korea Society for the Study of Hospital Architecture and Korea Institute of Healthcare Architecture and the activities of the Society and Institute. Methods: Publications and documents issued by Korea Society for the Study of Hospital Architecture and Korea Institute of Healthcare Architecture have been surveyed. And to identify the unwritten activities, personal memo and interviews were also used. Results: The result of this study can be summarized into two points. The first one is that some of the unwritten and uncertain history and activities of the beginning of the KIHA could be identified. The second one is that not also the activities of Korea Society for the Study of Hospital Architecture and Korea Institute of Healthcare Architecture but the activities prior to the Society for the Study could be described. Implications: This research could be the basic data to arrange the history and activities of KIHA.

A Study on Developing Procedures of Archival Contents for Local History Education of Secondary Education in Busan (기록물을 활용한 지역사 교육콘텐츠 개발 방안 부산광역시 중등학교 교육을 중심으로)

  • Doh, Yun-Jee
    • The Korean Journal of Archival Studies
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    • no.36
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    • pp.69-119
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    • 2013
  • The local history research started from the 1960's postmodernism neted in the local history as the subject of diversity instead of National history. The local is being magnified as a new research theme among history scholar. In these circumstances, the local history research shows sign of activity and the movement that used in various ways at education has become more active. Compared to the contents business of local history, development of education contents what serviced for student is insufficient. Therefore, this research suggests development plan of local history education contents using archives which efficient tool of history education. Students can grow the ability of historical inquiry, thinking, insight through archives-assisted learning. Also, self-learning is possible instead of a lecture by teacher. This research shows a development of archival contents for local history education though literature research, abroad case analysis, focus group interview with history teachers. Concepts of the local history, local history education, education contents are examined at literature research. Local history education of the State Archives of the United States of America, the United Kingdom, Australia web site is analyzed. These state archives have been providing the web based service of archival contents for local history education for a long time. With these theoretical background, carry out a focus group interview with middle school history teachers. It draw conclusion that 14 category and 35 subcategory and these are reflected in the development of archival contents for local history education.