저자동시인용 연결망 분석을 통한 스포츠 안전사고의 지적 구조 규명

김경식 ( Kim Kyung-sik ) 한국융합과학회 2017 한국융합과학회지 Vol.6 No.3

연구목적: 이 연구는 저자동시인용 연결망 분석을 통하여 스포츠 안전사고의 지적 구조를 규명하고자 한다. 구체적으로는 스포츠 안전사고 연구에서 저자동시인용 연결망 구조를 규명한 다음, 스포츠 안 전사고 연구에서 중앙성이 높고 저자인용 출현빈도가 높은 저자가 누구인지를 밝혀내는데 목적이 있다. 연구방법: 이 연구는 한국학술정보(KISS)와 디비피아(Dbpia)에서 제공하는 스포츠 안전사고에 관한 논문을 검색하여 총 71편의 논문을 수집하였다. 이 연구에서는 검색 키워드를 “스포츠”와 “안전사고”로 한정하여 검색하였으며, 저자와 저자가 인용한 참고문헌을 엑셀에 정리하였다. 참고 문헌은 논문과 저서의 저자로 한정하였으며, 잡지나 신문 등은 제외하였다. 저자동시인용 연결망을 분석하기 위해 이 연구에서는 NetMiner 프로그램을 활용하였으며, 활동중심성(degree centrality)과 매개중앙성(betweenness centrality)을 분석하였다. 활동중심성은 어떤 저자가 다른 저자들에게 많이 인용되었다면 연결망 중심에 위치하게 된다. 매개중앙성은 저자와 저자의 관계를 매개하는 위치에 있는 정도를 말한다. 결론: 이상과 같은 연구방법 및 절차를 통해 도출한 결론은 다음과 같다. 첫째, 저자동시인용 연결망 구조는 거대 연결망과 하위집단 연결망으로 구성되었다. 연구자들 간의 교류가 매우 활발히 전개될 수 있는 구조적 조건을 갖추고 있다. 평균 연결정도는 1.3명이고, 군집계수는 .20 이다. 인용된 저자의 자아연결망 크기는 Seokjung Son, Eunkyung Kim, Kiyoung Yeon, Kiwhan Go 등의 순이며, 이들 저자는 스포츠 안전 연구에서 다른 저자들에게 상대적으로 크게 영향을 미쳤다. 그러 나 저자동시인용 연결망에서 등장하는 통계적으로 의미 있는 허브는 존재하지 않았다. 둘째, 저자동 시인용 연결망 활동중앙성은 Seokjung Son, Eunkyung Kim, Kiyoung Yeon 등의 순이며, 매개중앙성은 Seokjung Son, Eunkyung Kim 등의 순이다. 중앙성이 높은 저자들은 스포츠 안전 연구에 다른 저자들과 함께 많이 등장했다. 저자 인용과 피인용의 출현 빈도는 Seokjung Son → Seokjung Son, Youngchul Park → Youngchul Park, Doohyeon Kim → Doohyeon Kim 등의 순으로 높다. 즉, 자기 인용이 많았다. Pupose: The purpose of this study is to clarify the intellectual structure of the sports safety accident through the analysis of the authors` co-citation network. The research problems set in this study are as follows. First, what kind of network structure does the authors` co-citation network show in sports safety accident research? Second, who is the author who has high centralism and high frequency of author quotation in sports safety accident research? Methods: In this study, 71 papers were collected by searching articles related to sports safety accident provided by Korean Academic Information (KISS) and Dbpia. The search keywords were limited to "sports" and "safety accident", and the references cited by author were summarized in Excel. Conclusion: First, the authors` co-citation network structure consists of a huge network and a subgroup network. There is a structural condition in which exchanges among researchers can be actively developed. Average degree is 1.3 and clustering coefficient is .20. The authors` ego network size is listed in the order of Seokjung Son, Eunkyung Kim, Kiyoung Yeon, and Kiwhan Go. These authors have had a relatively large impact on other authors in sports safety research. But This network have not significant hubs. Second, frequency of authors` co-citation are Seokjung Son, Eunkyung Kim, and Kiyoung Yeon in order. Seokjung Son, Eunkyung Kim, etc. Authors with a high degree of centralism have appeared with other authors in sports safety research. The frequency of author citation is higher in order of Seokjung Son → Seokjung Son, Youngchul Park → Youngchul Park, Doohyeon Kim → Doohyeon Kim. In other words, there were many self-quotes.

임상 가검물에서 분리된 균(대장균과 황색 포도균)의 약제 내성

김중명,김재식,김경선,김재룡,전동석,최성만,서상철,김인자,김재숭,이건일,김경숙 慶北大學校 醫科大學 1982 慶北醫大誌 Vol.23 No.2

1981년 1월에서 12월말까지 임상 제료에서 분리한 Escherichia coli (E. coli)와 Staphylococcus aureus (S. aureus) 중에서 무작위로 각 50주 씩 선택하여 원판 확산법과 평판 희섭법으로 그 내성주를 조사하여 다음과 같은 성적을 얻었다. 전체적으로 볼 때에 Teteracyclin (TET), Chloramphenicol (CM) 및 Ampicillin (AMP)에 대한 내성주가 가장 많았고, Amikacin (AMK)에 대한 내성주는 가장 적어다. 이것을 균종별로 보면 E. coli에 있어서는 TET, AMP 및 CM는 원판 확산법으로서 74∼76%, 평판 희석법으로서는 78∼94%가 내성주임을 나타내었고, 또 Cephalothin(CEP)은 원판 확산법에서는 8%가 내성주로 나타났으나, 평판 의석법에서는 52%가 내성주로 나타났다. S. aureus에 있어서는 TET는 원판 확산법으로 82%, 평판 희석법으로서는 78%가 내성주로 나왔고 Penicillin (P)은 원판 확산법에서는 56% 평판 희석법으로는 22%의 내성주가 나왔으며, GM과 CM은 원판확산법에서는 18∼44%, 평판 희석법에서는 56∼58%가 내성주로 나왔다. Each 50 strains of Escherichia coli and Staphylococcus aureus were selected at random out of the stock cultures which were isolated from the clinical materials in the bacteriological laboratory of the department of clinical pathology. Kyungpook National University Hospital from the first of January to the end of December in 1982, and their resistance against eight antibiotics were as follows; Escherichia coli and Staphylococcus aureus had the most resistant pattern against tetracyclin, chloramphenicol, and ampicillin, while they had the most sensitive pattern against amikacin in general. Escherichia coli revealed resistant pattern to tetracyclin, ampicillin, and chloramphenicol 74-76% by the disk diffusion method and 78-94% by the plate dilution method, and revealed resistant pattern to cephalothin 8% by the disk diffusion and 52% by the plate dilution. Staphylococcs aureus disclosed resistant pattern to tetracyclin 82% by the disk diffusion and 78% by the plate dilution, and disclosed resistant pattern to penicillin 56% by the disk diffusion and 22% by the plate dilution, and to gentamicin and-chloramphenicol 18-44% by the disk diffusion and 56-58% by the plate dilution.

TEOS 솔 침전공정에서 SiO2 과포화 농도 및 입자 크기에 미치는 반응조건 영향

김경수,김선근,김우식,김성수,김준경 한국화학공학회 2000 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.38 No.6

본 연구에서는 솔 침전공정에서 TEOS(Tetraethylorthosilicate) 반응물을 이용하여 실리카 분말 합성시에 TEOS 농도, 물농도, 반응물 주입속도, 교반속도 등의 반응조건이 실리카 과포화 농도 및 입자크기에 미치는 영향에 대해 연구하였다. TEOS 반응물과 물 농도가 증가할수록 입자유도시간은 짧아졌으며 입자유도시점에서의 과포화 농도는 감소하였다. 그러나, 반응물 주입속도가 입자유도시간과 입자유도시점에서의 과포화 농도에 미치는 영향은 서로 상반되었다. 즉, 반응물 주입속도의 증가에 따라 입자유도시간은 감소하였으나 입자유도시점에서의 과포화 농도는 증가하였다. 반응조건에 따라 서로 다른 과포화 농도에서 입자가 유도되는 것은 입자의 형성에 있어서 과포화도 이외의 용액의 조건에도 영향을 준다는 것을 의미하는 것이다. 한편, 교반속도는 입자유도시간과 유도시점에서의 과포화 농도는 거의 영향을 주지 않았다. 이것은 솔 침전공정에서 반응물 혼합시간이 충분히 짧아 실리카 생성에 있어서 반응속도가 입자유도 및 과포화 농도 결정에 가장 크게 영향을 미쳤기 때문이다. 반응조건에 따른 가수분해 및 축합 반응속도를 Kim등[15]이 제시한 식을 이용하여 예측하였으며 이 결과는 본 실험에서 측정한 입자유도시간의 함수로도 매우 잘 묘사될 수 있었다. 또한, 반응조건에 따라 합성된 최종입자의 크기 변화도 입자유도시간의 함수로 훌륭히 묘사될 수 있음을 보여 주었다. In a single feed semi batch reactor effects of reaction conditions, such as TEOS and water concentrations, react feed flow rate and agitation speed, on the silica supersaturation and particle size synthesized in sol precipitation were investigated. As the TEOS and water concentrations increased, the particle induction time and the supersaturation at the particle induction point were reduced. However, the dependencies of the particle induction time and supersaturation at the particle induction point on the reactant flow rate were opposite to each other. That was, the particle induction tune decreased with increase in the reactant flow rate but the supersaturation at the particle induction point increased. The fact that the supersaturation level to induce the particle was varied with the reaction condition implied that the solution condition determined by the reaction condition as well as the supersaturation level was important to the particle induction. Meanwhile, the particle induction time and supersaturation at the particle induction point were little influenced by the agitation speed in the reactor. This result was due to the micromixing time being short enough in comparison to the reaction time of TEOS. Thus, the particle induction time and supersaturation at the particle induction point was predominantly determined by the reaction time rather than the micromixing time of TEOS. The reaction rate constants of TEOS hydroysis and condensation, which was predicted with Kim et al.'s equations [15] at the reaction conditions was described as a function of the particle induction time. In addition, the particle size synthesized at the reaction conditions was able to be well fitted as a function of the particle induction time.

야뇨증 환아들의 심리사회적 특성에 대한 다기관 연구 : 행동 및 정서 문제를 중심으로

조수철,김재원,신민섭,황준원,한상원,박관현,이상돈,김경도,김건석,서홍진,이유식,정재용,김영균,문두건,남궁미경,한창희,조원열,김영식,배기수,이종국,정우영,신의진 大韓神經精神醫學會 2005 신경정신의학 Vol.44 No.6

Objectives : The aim of this study was to examine the behavioral and emotional problems associated with nocturnal enuresis in Korean children. Methods : Three hundred eighteen children with nocturnal enuresis, together with their parents, completed the Child Behavior Checklist (CBCL), Disruptive Behavior Disorder Scale according to DSM-IV (DBDS), Children's Depression Inventory (CDI), State-Trait Anxiety Inventory for Children (STAIC), and Piers-Harris Children's Self-Concept Scale (PHCSC). Ninety-three normal students were selected as the control group. Results : Compared to the normal control group, the mean scores with regard to the withdrawn, social problems, attention problems, delinquent behavior, aggressive behavior, externalizing problems and total problems profiles were significantly higher in the nocturnal enuresis group according to the CBCL results. The nocturnal enuresis group also scored significantly higher in the ADHD and ODD profiles of the DBDS. The nocturnal enuresis group was more depressed and anxious than the control group according to the results of the CDI and STAI. The mean score of the PHCSC was significantly lower in the nocturnal enuresis group when compared to the normal control group. Conclusion : The results of this study suggest that children with nocturnal enuresis in Korea have clinically relevant behavioral and emotional problems. The findings support the link between nocturnal enuresis and psychopathology in Korean children.

API 20E法에 依한 腸內細菌의 同定

金重明,申敬鎬,金在植,金京善 慶北大學校 醫科大學 1980 慶北醫大誌 Vol.21 No.2

病的 資料에서 分離된 425菌株를 API 20E에 의하여 同定하고, 이 菌株들을 從來 方法에 의하여 同定된 菌株와 一致性을 보기 위하여 從來方法으로 이를 다시 同定하였던 바 그 成積은 다음과 같이 要約할 수 있었다. Salmonella typhi 8株에서는 從來 方法은 87.5%에서 API 20E에 의한 同定에 一致되었고, Enterobacter aerogenes 14株는 92.9%에서 Proteus mirabilis 15株는 93.3%에서 Enterobacter cloacae 62株는 96.8%에서 Escherichia coli 127株는 97.6%에서 各各 一致되었고, Enterobacter agglomerans 5株, Enterobacter sakazakii 2株, Hafnia alvei 1株 및 Yersinia enterocolitica 4株에서는 一致되는 것은 한 株도 없었으며, Shigella flexneri 4株 Shigella boydii 2株, Shigella sonnei 6株, Salmonella paratyphi A 6株, Arizona hinshawii 2株 Citrobacter freundii 57株, Klebsiella pneumonia 69株, Klebsiella ozanae 1株, Serratia marcescens 31株, Proteus vulgaris 3株, Proteus morganii 3株, Proteus rettgeri 2株 및 Providencia stuartii 1株는 完全히 一致되었고, 全體的으로는 平均 95.1%에서 一致되었다. We have identified 425 strains of Enterobacteriacea by the API 20 E from various kinds of clinical materials, and in order to see the agreement of the results of tests with the API 20 E and conventional method, the strains of Enterobacteriaceae identified by the API 20 E were identified again by the conventional method. The results of the identifications were as follows; The percent of the agreement of identification results of tests with the API 20 E and conventional method was 87.5 in eight strains of the Salmonella typhi, was 92.9 in 14 strains of the Enterobacter aerogenes, 93.3 in 15 strains of the Proteus mirabilis, 96.8 in 62 strains of the Enterobacter cloacae, 97.6 in 127 strains of the Escherichia coli, and there was no the agreement of the identification result of tests with the both in five strains of the Enterobacter agglomerans, in two strains of the Enterobacter sakazakii, in one strain of the hafnia alvei, and in four strains of the yersinia enterocolitica. But four strains of the Shigella flexneri, two strains of the Shigella boydii, six strains of the Shigella sonnei, six strains of the Salmonella paratyphi A, two strains of the Arizona hinshawii, 57 strains of the Citrobacter freundii, 69 strains of the Klebsiella pneumoniae, one strain of the Klebsiella ozaenae, 31 strains of the Serratia marcescens, three strains of the Proteus vulgaris, three strains of the Proteus morganii, two strains of the Proteus rettgeri, and one strain of the Providencia stuartii agreed completely in the both identification results.

서로 다른 CNC 환경을 갖는 공작기계의 인터넷 기반 점검

김동훈,김선호,김경돈,김찬봉,고광식 한국공작기계학회 2004 한국공작기계학회 춘계학술대회논문집 Vol.2004 No.-

This paper proposes Internet-based checking scheme for machine-tools with a variant CNC. Checking points defined in this research are classified into two categories such as structured point and operational point. The formal includes the vibration of bearing, temperature of spindle unit and another periodical management. And the latter includes oil checking, clamp locking/unlocking and machining on/off status. Through this research, for the global management of variant CNC machines interspersed with CAC and OAC in manufacturing system, the suitable environment for Internet-based checking of variant CNC machines was designed and the checking methods for CAC and OAC machines were compared with each other.

자율에이전트를 이용한 침입탐지 시스템

김영균,김성윤,장경훈,김경식 濟州大學校 産業技術硏究所 2001 산업기술연구소논문집 Vol.12 No.1

A networked environment has the possibility of thw illegal access to the thread of a network attack. The new IDS(intrusion detection system) using autonomous agent is proposed in this paper. this IDS allow it easily extended. configured ans modified. either by adding new components. or by replacing components when they need to be updated.

배달 미니 게임 개발:"최고의 웨이터를 꿈꾸며"

김정훈,정한교,김영옥,김중곤,박정윤,윤진성,김경식 호서대학교 반도체제조장비국산화연구센터 2001 반도체장비학술심포지움 Vol.2001 No.-

본 미니 게임은 웨이터라는 직업을 모티브로 하여서 남녀노소 누구나 재미를 느낌과 동시에 기억력 향상시켜 주는 게임제작이라는 목적아래 제작되었다.본 논문에서는 이 게임의 제작과정을 기술하고자 한다.이 게임은 제3회 AGC(한국 아마추어 게임제작 공모전)에서 우수 작으로 선정되었다.

적응추정기를 이용한 강의 수질 감시 시스템 설계

김창일,권성숙,김경식,김경연 濟州大學校 情報通信硏究所 1998 情報通信硏究所論文集 Vol.1 No.-

An adaptive estimator to estimate the water quality in a river under unknown biased measurements environment is developed. In modeling the unknown measurement bias, it is assumed that the bias sequence is governed by semi-Markov process. By incorporating the semi-Markov probability concepts into the Bayesian estimation theory. an effective adaptive estimator which consists of parallel Kalman-type filters is obtained. Computer simulation results for the multiple-reach river system show that the proposed adaptive estimator have good estimation performance in spite of the unknown randomly switching measurement bias.

경희대학교 국제캠퍼스 걷고 싶은 거리 조성계획

김동찬,김영준,마원,김충희,노경식,이가영 경희대학교 부설 디자인연구원 2008 예술· 디자인학연구 Vol.11 No.1

Kyung-Hee University Global Campus accepted changing of education environment to adapt to the World's information technology society so that school has been preparing the Master plan to grow up campus's vision since 2007. However, realization of the Master plan need a lot of financial resources, much times and phases in improvement. Especially, our university needs symbolized business in 2009 due to the 60th anniversary of our university. Based on this we want to improve the main entrance road environment from school gate to the school of international management and reconstruct the spatial environment beside the main road. The purpose of this research is to construct a pedestrian space environment and reconstruct the campus environment which adapt to the new times' demands. That is why the Master plan is trying to find the landscape scenic which adapts to our school' s main entrance space and the improvement method about the pedestrian space of the Global campus to congratulate of our university's 60th anniversary.