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확장된 계획행동이론을 통한 무주 태권도공원 방문객의 방문의도 분석
박용수(Yong Soo Park),한진욱(Jin Wook Han),김민수(Min Soo Kim) 한국사회체육학회 2012 한국사회체육학회지 Vol.0 No.48
The purpose of this study was to predict travelers` behavioral intention to visit the Muju Taekwondo Park, based on extended Theory of Planned Behavior(TPB). Tourists` motivation was newly included in determining their behavioral intention to visit the park along with existing three components of traditional Theory of Planned Behavior(attitudes, subjective norms, and perceived behavioral control). To this end, a total of 241 Taekwondo masters was selected using a conveniently sampling method and responded to a survey questionnaire. The 206 usable questionnaires were utilized to the final data analyses. Statistical Package of PASW 15.0 was used for data analyses including descriptive analysis, exploratory factor analysis, reliability analysis, correlation analysis, and multiple regression analysis. The results of this study were as follows. Firstly, attitudes toward visiting the park had a significant impact on visiting the park Secondly, subjective norms had a significant influence on visiting the park. Thirdly, perceived behavioral control significantly affected behavioral intention to visit the park. Lastly, motivation was a significant predictor of subjects` visiting the park. Additionally, practical implications of the findings and suggestions were discussed.
양성자 치료 시 사용되는 Compensator의 Thickness에 대한 적정성 평가
박용수,장준영,조광현,박용철,최병기,Park, Yong Soo,Jang, Jun Yeong,Cho, Gwang Hyeon,Park, Yong Cheol,Choi, Byeong Ki 대한방사선치료학회 2018 대한방사선치료학회지 Vol.30 No.1
목 적 : 본원에서 사용하는 양성자 에너지는 크기에 따라 도달거리가 달라지며, Compensator는 Distal 두께에 따라 Energy의 크기를 다르게 할 수 있으며 이로 인해 Dose rate이 변화된다. 따라서 Compensator distal의 두께를 변화시키면서 Dose 분포 및 Beam on time에 대한 영향을 평가해보고자 한다. 대상 및 방법 : 본원에서 양성자치료를 받은 에너지가 낮은 환자 5명을 대상으로 실험하였다. 선택된 환자들의 기존 치료 시 Beam on time을 확인하였으며 이 후 양성자치료계획시스템(TPS)을 통하여 Compensator의 Distal 두께를 기존 두께에서 2 cm씩 최대 14 cm까지 증가시켜가며 치료계획을 비교 평가하였다. Dose 분포를 평가하기 위하여 Target의 Conformity Index(CI)값과 Homogeneity Index(HI)값, Target 후면부의 Organ at risk(OAR)의 최대선량을 비교하였으며 치료시간에 대한 영향을 평가하고자 Compensator Distal 두께 별로 제작하여 Beam on time을 비교하여 평가하였다. 결 과 : Compensator의 Distal 두께를 증가시켜 Homogeneity Index, Conformity Index를 분석한 결과 모든 환자에서 동일한 수치가 나왔다. Target 후면부의 OAR을 비교한 결과 Abdomen의 Spine cord에 최대 7 cGy, Eyeball의 RT Lens에서 88 cGy, Nasal cavity의 RT Lens에 391 cGy, Mediastinum의 Trachea에 51 cGy, Pelvis의 Small bowl에 661 cGy 증가하였다. Beam on time을 비교한 결과 Abdomen의 경우 기존 126초에서 최대 62초, Eyeball의 경우 105초에서 37초, Nasal cavity의 경우 기존 187초에서 134초, Mediastinum의 경우 기존 100초에서 40초, Pelvis의 경우 기존 440초에서 118초로 감소하였다. 결 론 : 연구결과 Compensator의 distal 두께가 두꺼워질수록 에너지의 크기를 증가시킬 수 있으며 Dose rate이 증가하여 Beam on time이 감소하는 효과가 있었다. 이는 Beam on time이 많이 소요되는 호흡동조치료를 요하는 Liver, 마취를 하는 소아환자에게 적용한다면 치료시간 단축과 환자의 편의성 면에서 큰 도움을 줄 것으로 평가된다. 하지만 에너지의 크기가 증가할수록 Distal penumbra가 증가하기 때문에 Target 후면부에 OAR이 인접해 있는 경우는 양성자치료계획 시 Penumbra의 영향을 고려한 적절한 Compensator 두께를 설정할 필요가 있을 것으로 사료된다. Purpose : The range of force differs from the size of proton energy used in our hospital. The compensator enables to change energy size based on distal thickness which also makes changes in dose rate. Therefore, the purpose of this study is to evaluate the effect of changing the thickness of compensator distal on dose range and beam on time. Subject and Methodology : Five low energy patients who have received proton therapy were selected as subjects for this study. Beam on was checked for the selected patients during the existing therapy. After then, the thickness of distal of compensator was increased by 2 cm up to 14 cm through proton therapy plan system(TPS) for comparative analysis. For the evaluation of dose range, the value of the target's conformity index(CI) and the maximum dose of rear side target's organ at risk(OAR) were compared. Furthermore, to evaluate the effect of therapy time, beam on time was compared by making compensator distal in each thickness. Result : The result of homogeneity index and conformity index of the increased compensator distal showed the same level in all patients. The comparison results of OAR of target rear side showed 7 cGy at spine cord of abdomen at maximum, 88 cGy at eyeball's RT lens, 391 cGy at RT lens of nasal cavity 51 cGy at trachea of the mediastinum, and 661 cGy at a small bowl of the pelvis. The comparison results of the beam on time showed a reduction from 126 seconds to 62 seconds for the abdomen, from 105 seconds to 37 seconds for the eyeball, from 187 seconds to 134 seconds for nasal cavity, from 100 seconds to 40 seconds for mediastinum, from 440 seconds to 118 seconds for the pelvis. Conclusion : The research result showed that as the distal thickness of compensator increased, the size of energy increased. In addition, beam on decreased due to the increase of dose rate. It is expected that the result would help reduce the treatment time and increase the convenience of patients if it is applied to liver patients who need respiratorygated therapy and pediatric patients. However, distal penumbra increased as the size energy increased. Therefore, in treating cases where OAR is in the vicinity of the target rear side, the influence of penumbra should be taken into account in adjusting thickness level of the compensator in proton therapy plan.
문서중심 및 웹기반 핵설계 자동화 시스템의 설계 및 구현
박용수,김종경,Park, Yong-Soo,Kim, Jong-Kyung 한국정보처리학회 2004 정보처리학회논문지D Vol.11 No.6
본 논문에서는 모델링과 전산코드 실행 등에 시간과 노력이 많이 드는 핵설계 업무를 자동화하기 위하여 $IDP^{TM}$(Innovative Design Processor)를 개발하였다. IDP의 기본 원리는 문서중심 설계와 웹기반 설계이다. 문서중심 설계란 프로그래머가 아닌 일반 설계자가 동적문서(active document)라는 문서를 작성하여 이를 특수한 프로그램이 파싱후 실행하도록 하면 해석결과와 표 및 그림 둥이 담긴 완전한 설계문서를 자동적으로 얻게 됨을 말한다. 동적문서는 일반 HTML 또는 XML 편집기를 이용하여 작성될 수 있고 웹에서 또한 작성이 가능하다. LAMP(Linux/Apache/MySQL/PHP)의 웹기반 설계 환경하에서 설계마법사 형태의 서버 및 클라이언트 프로그램을 통해 설계 초보자도 쉽게 설계를 할 수 있게 되어 있다. To automate nuclear design works which are time-consuming and man-power intensive, Innovative Design Processor ($IDP^{TM}$) is being developed. Two basic principles of IDP are the document-oriented design and the web-based design. The document-oriented design is that, if the designer writes a design document called active document and feeds it to a special program which has a robust parser, the finai document with complete analysis, table and plots is made automatically. The active documents can be written with ordinary HTML/XML editors or created automatically on the web, which is another framework of IDP. Using the proper mix-up of server side and client side programming under the LAMP (Linux/Apache/MySQL/PHP) environment, the design process on the web is modeled as a design wizard style so that even a novice designer makes the design document easily.
박용수,Park Yong-Soo 대한경영정보학회 2000 경영과 정보연구 Vol.4 No.-
This paper presents a study regarding a construction of the slide cases through the useful and practical design using presentation tool-Microsoft Powerpoint, which can offer to the person in charge with more useful and practical information for the construction of the slide cases. In this study, Presentation program is used to construct case in the slides. The results of this study may be summarized as follows : First, it is possible to construct useful and practical case in the slides with presentation program. Second, this study proposes directions for the construction of slides with presentation program.
박용수,신주석,최명실,정경호,안광선,Park, Yong-Soo,Shin, Ju-Seok,Choi, Myung-Sil,Chung, Kyung-Ho,Ahn, Kwang-Seon 한국정보처리학회 2009 정보처리학회논문지 C : 정보통신,정보보안 Vol.16 No.6
By identifying the unique information of the objects using the RF, the RFID technique which will be able to manage the object is spot-lighted as the main technology in Ubiquitous era. On RFID systems, since the information of RFID may easily be unveiled in air, the secure and privacy problems always exist. In this paper, we propose mutual authentication protocol based on symmetric key. Proposed protocol has been able to minimize the tag's H/W resource by using symmetric key. And we use tag ID which is encrypted with hash function and a shared symmetric key by Challenge-Response pair of PUF(Physically Unclonable Function), thus there is no key disclosure problem in our protocol. 무선으로 대상물의 고유정보를 인식함으로 대상물을 관리할 수 있게 하는 RFID(Radio Frequency Identification)기술은 유비쿼터스 시대의 핵심기술이다. RFID에서 정보는 공간상에서 쉽게 노출될 수 있음으로 보안 및 프라이버시 문제가 항시 존재한다. 본 논문에서는 저가형 태그의 구현에 적합한 대칭키 기반의 상호인증 프로토콜을 제안한다. 제안한 프로토콜은 대칭키를 사용하여 하드웨어 자원을 최소화할 수 있으며, 해쉬 함수로 암호화한 태그 ID를 사용하고 PUF(Physically Unclonable Function)의 Challenge-Response값을 공유 대칭키로 활용하기 때문에 키 노출 위험이 없는 안전한 프로토콜이다.
The Effects of Job Stress of Construction Workers on Construction Accidents and Turnover Intention
Yong-Su Park(박용수),Soo-Yong Park(박수용),Dong-Hyung Lee(이동형) 한국산업경영시스템학회 2017 한국산업경영시스템학회지 Vol.40 No.3
The purpose of this study is to investigate the factors and effects of job stress of construction workers on construction accidents and turnover intention in order to improve the field work environment of construction industry which shows higher industrial accidents than other industries. To this end, research models and hypotheses were established based on previous research, and the questionnaire was distributed to 10 construction companies in Daejeon, Sejong, and Chungcheong provinces. The 301 data collected were performed statistical analysis such as basic statistical analysis, factor analysis, reliability analysis, correlation analysis, regression analysis, and logistic regression analysis using the statistical package (IBM SPSS 22). The results of this study are summarized as follows. First, job stress has a significant effect on accident occurrence. Among the sub-factors of job stress, there was positive (+) influence on work culture and relationship conflict between peers, and organizational system had negative influence. Job demands, compensation incompetence, and job instability were not statistically significant. Therefore, it is necessary to concentrate on the factors of work culture, organizational system, and relationship conflict in the construction site. Second, job stress has positive effect on turnover intention. Job stress, inadequacy of compensation, and work culture were positively related to turnover intention. Third, job demands have a slightly greater impact than compensatory inadequacies. The factors that make the job turnover more important are the excessive job burdens such as respect, internal motivation, responsibility rather than expectation non-conformity, time pressure, increase of work load. Therefore, in order to reduce the turnover intention of the construction worker, it is necessary to pay attention to improvement of the job requirement. Fourth, the worker’s job stress could overcome by exercise and fatigue elimination, work environment management, and self-opening for others. It is necessary to establish a work environment management system for counseling and intimacy formation to open up the exercise and fatigue relief program of the workers at the construction site and to open themselves between the workers and the supervisors.
김대중정부의 자유주의적 대북,대외전략의 현실주의적 측면
박용수 ( Yong Soo Park ) 연세대학교 사회과학연구소 2011 社會科學論集 Vol.42 No.2
The main purpose of this article is to show the importance of realistic side of Kim Dae-Jung`s foreign strategy. The implication of his foreign policies has been understood in the context of (neo)liberalism of international relations until now. He mainly argued aspects of liberalism than realism of international relations as the peace with DPRK, the realignment of the alliance with US and the amity with neighbor countries. But his choices were based on the national security with power as military power, alliance with US. Therefore the realistic base are important to his foreign policies. The conservatives have realistic image, argue the sanction or pressure to DPRK, keep the old ROK-US alliance. These are less drived from balance of power or self-help of realism, than from non-realism as the hostility toward DPRK or dependency on US. Therefore there are relatively reverse images of realism and liberalism in Korean politics, and Kim Dae-Jung`s foreign policy is the one of these cases.
남해안 패류양식장에서 분리한 Vibrio parahaemolyticus의 병원인자분포 및 항균제내성
박용수 ( Yong Soo Park ),박큰바위 ( Kunbawui Park ),권지영 ( Ji Young Kwon ),유홍식 ( Hong Sik Yu ),이희정 ( Hee Jung Lee ),김지회 ( Ji Hoe Kim ),이태식 ( Tae Seek Lee ),김풍호 ( Poong Ho Kim ) 한국수산과학회(구 한국수산학회) 2016 한국수산과학회지 Vol.49 No.4
From 2013 through 2015, we investigated the contamination status and antimicrobial resistance patterns of pathogenic Vibrio parahaemolyticus in commercially valuable seawater and shellfish (Oyster Crassostrea gigas, short-neck clam Venerupis philippinarum, ark shell Scapharca broughtonii and mussel Mytilus galloprovinciallis) from the southern coast of Korea. The detection rate of V. parahaemolyticus was highest in short-neck clams (23.7%), followed by ark shells (19.2%), oysters (15.9%), mussels (13.6%), and seawater (8.6%). The following percentages of PCR assays of shellfish were positive for the thermostable direct hemolysin-related hemolysin gene (trh) : oysters (12.8%), shortneck clams(11.8%), and ark shells (3.4%). Similar assays for the thermostable direct hemolysin gene (tdh) resulted in positive results for short-neck clams (5.9%) and ark shells (3.4%). Antimicrobial resistance was present in 100% of 8 tdh (+) and 2 trh (+) V. parahaemolyticus isolates challenged with ampicillin. However, all pathogenic V. parahaemolyticus were sensitive to 14 other antibiotics. To ensure the safety of shellfish consumption, the continuous monitoring of the prevalence and distribution of virulence factors of V. parahaemolyticus in shellfish farms is needed.