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A Study on Deduction of Equivalent Circuit Parameters and Verification of Control Algorithm of Thrust Force of a Small-scaled LIM for a Railway Transit (철도차량용 선형유도전동기 축소형 모델의 등가회로 파라미터 도출 및 추진력 제어 알고리즘 검증 연구)

  • Park, Chan-Bae;Mok, Hyung-Soo;Lee, Ju
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.59 no.7
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    • pp.1248-1254
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    • 2010
  • Authors conducted a deduction of some parameters using the magnetic equivalent circuit method and a verification study of the thrust force control algorithm of a rotary-typed small-scaled linear induction motor for a railway transit. In a LIM, it is possible to express the parameters of the magnetic equivalent circuit into a function of the shape of the secondary aluminium plate and the airgap between the LIM primary core and the secondary aluminium plate. It means that the LIM properties can be changed considerably by the shape of the secondary aluminium plate and the airgap between the LIM primary core and the secondary aluminium plate. So, authors analyzed a tendency of changes of the magnetic equivalent circuit parameters and the LIM characteristics by changing of the airgap of the secondary aluminium plate of a rotary-typed small-scaled LIM. And authors conducted a verification study of the indirect vector control algorithm with constant slip frequency by using the rotary-typed small-scaled LIM tester set on the basis of the calculated LIM parameters. Finally authors accomplished a research on applicability for LIM railway transit.

Journal of Gastric Cancer's Promotion to International Journal from the Perspective of Biliometric Analysis

  • Huh, Sun
    • Journal of Gastric Cancer
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    • v.16 no.1
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    • pp.8-13
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    • 2016
  • Purpose: The aim was to verify if changing the Journal of Gastric Cancer (JGC) to only English (starting in December 2010) was successful based on bibliometrics. Materials and Methods: The following indicators were retrieved or calculated from the journal homepage and the Web of Science Core Collection on January 30, 2016: the number of citable articles per year; the number of original articles funded; the national origins of the editorial board members and authors; the total citations; the impact factors; the national origins of authors citing the journal; the source titles of articles citing the journal; and the Hirsch index. Results: From 2011 to 2015, the number of citable articles per year was 40, 41, 39, 39, and 40. The proportion of original articles funded was 39 out of 113 articles (34.5%). The editorial board members were from seven countries. The authors were from 11 countries. The total citations increased from 1 in 2011 to 245 in 2015. From 2013 to 2015, the impact factors (without self-citations) were 1.42, 1.36, and 1.60. In 2014, the value 1.60 corresponded to the ranking of 157 out of 210 oncology journals (74.8%); It was cited from 46 countries. Top-ranking countries of citing authors were China (171), Korea (158), and Japan (75). The number of source titles citing the journal was more than 100. The Hirsch index was 12. Conclusions: The English-only language policy, which started in December 2010, was successful in promoting the JGC to international levels from the perspective of bibliometric analysis.

Clinical Report of Oriental Medicine Treatment with Bee Venom Therapy of Progressive muscle atrophy 1 Patient (봉약침(蜂藥針)을 이용(利用)한 진행성 근위축증 환자(患者) 1례(例)에 대(對)한 증례보고(症例報告))

  • Kim, Young-Ho;Yook, Tae-Han;Song, Beom-Yong;Lee, Dong-Ho
    • Journal of Pharmacopuncture
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    • v.3 no.1
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    • pp.119-140
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    • 2000
  • The authors reports in order to study the effect of Bee Venom therapy of progressive muscle atrophy. The authors investigated 1 patient who is treated at Woosuk University Oriental Medical Hospital. The patient diagnosed by MRI EMG Hematology Muscle biopsy as progressive muscle atrophy is administered by Bee Venom therapy for 4 months. Bee Venom therapy is operated by 2 times per a week(every 3 days, 0.1cc per one operation, 0.05cc per one acupuncture point). The authors checked changes of this patient's chief symptoms by comparing before and after Bee Venom therapy is operated at 30 times. After Bee Venom therapy, the patient increased motor power & ROM, decreased general cooling sense & swallowing disorder. As above, the authors conclude that better results can be obtained Oriental Medical Treatment with Bee Venom therapy in progressive muscle atrophy

Co-authorship Credit Allocation Methods in the Assessment of Citation Impact of Chemistry Faculty

  • Lee, Jongwook;Yang, Kiduk
    • Journal of the Korean Society for Library and Information Science
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    • v.49 no.3
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    • pp.273-289
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    • 2015
  • This study examined changes in citation index scores and rankings of thirty-five chemistry faculty members at Seoul National University using different co-authorship credit allocation models. Using 1,436 Web of Science papers published between 2007 and 2013, we applied the inflated, fractional, harmonic, network-based allocation, and harmonic+ models to calculate faculty's h-, R-, and normalization of h- and R- index scores and rankings. The harmonic+ model, which is based on our belief that contribution of primary authors should be the same regardless of collaboration, is designed to minimize the penalty for research collaboration imposed by harmonic and NBA models by boosting the contribution of collaborating primary authors to be on the equal footing with single authors. Although citation rankings by different models are correlated with each other within the same type of citation indicator, rankings of many faculty members changed across models, suggesting the importance of an accurate and relevant authorship credit allocation model in the citation assessment of researchers. The study also found that authorship patterns in conjunction with citation counts are important factors for robust authorship models such as harmonic and NBA, and harmonic+ model may be beneficial for collaborating primary authors. Future research that reexamines the models with updated empirical data would provide further insights into the robustness of the models.

How Well Do We Understand Autistic Savant Artists: A Review of Various Hypotheses and Research Findings to Date

  • Seungwon Chung;Jung-Woo Son
    • Journal of the Korean Academy of Child and Adolescent Psychiatry
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    • v.34 no.2
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    • pp.93-111
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    • 2023
  • The authors investigated the artistic characteristics of autistic savant artists, hypotheses on the proximate and ultimate causes of their emergence, recent psychological and other studies about them, and psychological and neuroaesthetic studies about non-savant autistic individuals. The artistic features of autistic savant artists were significantly similar to those of outsider artists. Furthermore, the authors investigated the explanatory power of the paradoxical functional facilitation theory, the superior visual perception hypothesis, the "Hmmmmm" hypothesis, and the Neanderthal theory of autism regarding the emergence of autistic savant artists. In addition, we investigated whether an increase in savant characteristics was related to a decrease in the ability for social communication. The authors suggested that in studies on the aesthetic experience of non-savant autistic individuals, their aesthetic experience ability is never lower than that of neurotypical individuals and that some non-savant autistic individuals may potentially have artistic talent. Finally, the authors reviewed the effectiveness of the "autism savant spectrum syndromic disorder" proposed by some researchers. More scientific and systematic studies on autistic savant artists from a multidisciplinary perspective are warranted.

Software Climate Change and its Disruptive Weather: A Potential Shift from "Software Engineering" to Vibrant/Dynamic Softology

  • Ghani, Imran;Jeong, Seung Ryul
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.10 no.8
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    • pp.3925-3942
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    • 2016
  • Like natural climate change on the planet earth, the climate in software development environments is also changing (fast). Like the natural weather, the software environment is also disruptive. As the climate experts alert and suggest taking necessary measures to overcome certain challenges to make this earth a safer and comfortable living place, likewise this article also alerts the relevant stakeholders of software craftsmanship about the dynamic challenges that traditional Software Engineering (SE) with purely "Engineering mind-set" is not capable to respond. Hence, some new thoughts to overcome such challenges are shared. Fundamentally, based on the historical evidences, this article presents the authors' observation about continuous shift from traditional "Engineering-based" software development approaches to disruptive approaches - "Vibrant Softology". The authors see the cause of this shift as disruptive transformational force, which is so powerful that it is uncontrollably diminishing the "Engineering-based" approach from software development environments. The authors align it with climate change analogy. Based on this analogy, the authors feel the need to theoretically re-coin the notion of SE to some new term; perhaps Vibrant/Dynamic Softology (VS or DS). Hence, the authors suggest "a new (disruptive and dynamic) way of thinking is required to develop software". It is worth mentioning that the purpose of article and this new theory is not to disparage the notion of software engineering altogether, rather the aim is to highlight the importance of transformation from SE to its next level (perhaps VS/DS) due to the emerging needs in the software craftsmanship environment.

Calculating the h-index and Its Variants Considering the Number of Authors in a Paper (공저자 수를 고려한 h-지수 산출)

  • Lee, Jae Yun
    • Journal of the Korean Society for information Management
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    • v.33 no.3
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    • pp.7-29
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    • 2016
  • The h-index is a popular bibliometric indicator for evaluating individual researchers. However, it has been criticized for its inconsistency with reflecting increased number of citations and disregarding the number of co-authors in a paper. In order to overcome these problems, we examined the g-index and other Hirsch-type indices considering the number of co-authors. Test data collection was extracted from Korean Citation Index database published from 2004 to 2013. The results of this study are as follows: First, g-index is more reliable indicator than h-index with consistency. Second, number of co-authors must be considered to maintain the h-index as an complex indicator applying the quality and the quantity of research performance. Finally, hc-index and gc-index, with fractionalised counting of the papers, can fairly measure the research performance of humanities researchers, and successfully prevent specific disciplines or institutions occupying majority of top rankings.

Cap Model을 이용한 기초식반의 수동해석(I) -범용프로그램의 검증과 수치계산례-

  • 박병기;정진섭
    • Geotechnical Engineering
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    • v.3 no.2
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    • pp.29-40
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    • 1987
  • This paper aims at investigating the characteristics of soil deformation by finite element method (FEM) coupling the cap model with the multi.purpose program developed by authors for the analysis of foundation displacement. The cap model as the constitutive equation has proved to be very useful to a partially saturated roils as well as rocks with high accuracy. As described in the Previous Paper (Park et al 1987) , there exist some difficulties in the determination of soil parameters in order to use the cap model at Present. However the authors have been studying to seek the method for the determination of the soil parameters from the laboratory results of conventional cylindrical triaxial test. Though the computer program advocated by foreign scholars has been kept secret, authors accomplished in performing the FEM analysis by the algorithm and program developed by authors for the cap model. Good results are obtained compared with those published already by Desai(1981) The main conclusions analyzed are as follows: 1. The cap model can be coupled with the multi.purpose computer program of authors bases on the Biot's consolidation theory without loss of generality. 2. Big difference appears in the settlement of center of the embankment between the cap modes and the modified Cam clay model in undrained conditions. The more study on which is more accurate should be performed in this respect.

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Composition and Contents of the Monograph on Theory of Cold Damage - "Sanghankyeongheombangyochal"(傷寒經驗方要撮) in the Late Joseon Dynasty (조선후기(朝鮮後期) 상한(傷寒) 연구(硏究)의 일면(一面) - 조선후기(朝鮮後期) 상한(傷寒) 연구서(硏究書) "상한경험방요촬(傷寒經驗方要撮)"의 구성과 내용 -)

  • Oh, Jun-Ho;Park, Sang-Young;Kim, Hyun-Koo;Kwon, Oh-Min
    • Korean Journal of Oriental Medicine
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    • v.18 no.1
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    • pp.25-34
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    • 2012
  • Objective : This study was carried out with focus on written by Joh, Taek-seung (曺澤承) and Joh, Byeong-who(曺秉矦) in the relation of father and son in 1933. This book is a medical book including rare data, which has never been reported to academic circles all this while. Method : First, this study looked into the authors of this book and its history of publication. Further, this study analyzed the composition and contents of this book. Lastly, this study summed up the meaning of this book from the standpoint of medical history. Result : The authors were Confucian doctors who were active in the latter era of the Joseon Dynasty and also in the period of Japanese colonial rule. They lived in Haenam district of Jeonlanam-do, and cured its neighboring local residents while studying. They published the book of by putting together their own medical experiences. The authors suggested their remedial prescription according to gender and age whereas Zhang Zhongjing(張仲景) suggested the remedial prescription according to Six-Meridian Pattern Identification & Syndrome Differentiation(六經辨證). In addition, the authors of gave weight to the relationship with internal damage. Additionally, the authors not only thought much of the relationship between internal damage and external damage but also thought of the weakness and strength of the healthy qi, and the new and the old of a disease as an important clue to medical treatment. It seems that such contents was influenced by (東醫寶鑑). Conclusion : shows the results of the research on which was spontaneously conducted in Joseon.

The Similarities and Differences between the Hyperlinking Practice of Scholarly E-journal Authors and the Traditional Citing Practice (전자 학술지 안에서 하이퍼링크 행위와 전통적인 인용 행위 사이의 유사점과 차이점들에 대한 비교 분석)

  • Kim Hak-Joon
    • Journal of the Korean Society for Library and Information Science
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    • v.33 no.4
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    • pp.47-63
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    • 1999
  • The purpose of this study was to Identify the similarities and differences between the hyperlinking practice of scholarly e-journal authors and conventional citing practice. 230 scholarly e-journal articles containing at least two hyperlinks and their authors were selected as the sample for the study. A mail questionnaire survey of the authors of the sampled e-journal articles was conducted (with a response rate of $70\%$) to collect quantitative data on the authors' hyperlinking motivations. In addition, a content analysis of the e-journal articles and the source documents hyperlinked in the articles was conducted to examine the patterns of hyperlinks. A comparison between the quantitative results of this hyperlinking study and previous citation studies was made. The results revealed not only some similarities but also several significant differences between them.

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