• 제목/요약/키워드: end-on-view

검색결과 566건 처리시간 0.02초

Excitation Temperature and Electron Number Density Measured for End-On-View Indectively Coupled Plasma Discharge

  • 남상호;김영조
    • Bulletin of the Korean Chemical Society
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    • 제22권8호
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    • pp.827-832
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    • 2001
  • The excitation temperature and electron number density have been measured for end-on-view ICP discharge. In this work, end-on-view ICP-AES equipped with the newly developed “optical plasma interface (OPI)” was used to eliminate or remove the neg ative effects caused by end-on-plasma source. The axial excitation temperature was measured using analyte (Fe I) emission line data obtained with end-on-view ICP-AES. The axial electron number density was calculated by Saha-Eggert ionization equilibrium theory. In the present study, the effects of forward power, nebulizer gas flow rate and the presence of Na on the excitation temperature and electron number density have been investigated. For sample introduction, two kinds of nebulizers (pneumatic and ultrasonic nebulizer) were utilized.

진돗개에서 심장초음파 측정치의 평가와 임상적 응용 I. 심장초음파 측정치 (The Echocardiographic Assessment and clinical Application of Cardiac Disease in Korean Jin-do dog)

  • 박인철;강병규;손창호
    • 한국임상수의학회지
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    • 제17권1호
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    • pp.178-186
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    • 2000
  • Echocardiography was performed on 29 normal Korea Jin-do dogs(21 adults and 8 prematures) and the images were taken from chordae tendineae level short-axis view, left ventricular outflow tract long-axis view and 4-chamber long-axis view, respectively. The following cardiac parameters, in systole and diastole, were measured on the echoocardographic images: aortic dimension(AO), left atrial dimension(LA), left ventricular internal dimention at end-diastole (LVIDd), left ventricular internal dimention at end-systole(LVIDs), interventricular septal wall thickness at end-diastole(IVSd), interventricular septal wall thickness at end-systole(IVSs), left ventricular wall at end-diastole(LVWd), left ventricular wall at end-systole(LVWs). The cardiac parameters were not significantly different between sex and among imaging planes. The size of cardiac parameters increaed as regression lines according to body weights. These results suggest that the chordae tendineae level short-axis view, left ventricular outflow tract long-axis view and 4-chamber long-axis view can be utilized for the left cardiac examination, and these cardiac parameters can be used to basic dat for diagnosing the cardiac diseases in Korea Jin-do dog.

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What Should Using a Software Product and Usability of the Software Product Be?

  • Koh, Seokha;Jiang, Jialei
    • Journal of Information Technology Applications and Management
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    • 제24권3호
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    • pp.73-92
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    • 2017
  • Usability is one of the most important concepts regarding software quality. It can be interpreted as the goodness associated with using the software product. This paper distinguishes the goodness of an individual using experience and the goodness of a product for using. This paper proposes a software quality view model which classifies software quality views into two broad categories of end view and means view. End view includes long-term view and short-term view which is classified further into performer's view on software activity and third party's view on software activity. Means view includes intrinsic view and contingency view. The analysis of ISO 25000 Series SQuaRE demonstrates the necessity to decompose product quality model and quality in use model into five models corresponding to the software quality views respectively. The analysis on playability shows that the universal definition of usability may be an illusion. The results provide the theoretical basis to build a comprehensive and consistent body of knowledge regarding software quality, which is consisted with the set of quality models and the theories explaining the relationships among the elements of the models.

Cause-and-Effect Perspective on Software Quality : Application to ISO/IEC 25000 Series SQuaRE's Product Quality Model

  • Koh, Seokha
    • Journal of Information Technology Applications and Management
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    • 제23권3호
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    • pp.71-86
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    • 2016
  • This paper proposes a new software quality model composed of a hierarchy of software quality views and three software quality characteristics models. The software view hierarchy is composed of two levels : end view and means view at the first level, contingency view and intrinsic view as sub-views of means view. Three software quality characteristics models are activity quality characteristics model, contingency quality characteristics model, and intrinsic quality characteristics model, which correspond to end view, contingency view, and intrinsic view respectively. This paper also reclassifies characteristics of ISO/IEC 25000 series SQuaRE's software product quality model according to the proposed software quality model. The results illustrate clearly the shortcomings of SQuaRE's product quality model and how to overcome them. First of all, most of SQuaRE's product characteristics should be redefined and conceptually clarified according to the views on which they are really rested. Much more characteristics should be supplemented too. After that, rigorous empirical researches will become relevant. Causal relationships between activity quality characteristics and characteristics of means view should be empirically researched.

조망 시점 위치에 따른 아파트 단위세대 조망 경관 선호 특성 (Preference of the View from Apartment Units regarding View Points)

  • 문지원;이상복;하재명
    • 한국주거학회:학술대회논문집
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    • 한국주거학회 2006년도 추계학술발표대회 논문집
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    • pp.242-247
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    • 2006
  • This study is intended to analyze the characteristics of the preference according to the locations of view points, which are the current criteria for the evaluation of the view. To this end, a total of fifty one test cases according to view point locations were sampled based on the picture data collected in previous studies, and preference assessment was conducted on these cases to identify preference characteristics, where a five-point Lickert-scale evaluation was performed for each test case, and three test cases for each type were comparatively evaluated. It is deemed that the findings from this study may be used to finally derive qualitative assesment scale for the view seen from apartment units.

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Ball End Mill 가공시 가동특성에 관한 연구 (A Study on in Ball End Mill Cutting Operation the Cutting characteristics)

  • 오영생
    • 한국공작기계학회:학술대회논문집
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    • 한국공작기계학회 1997년도 추계학술대회 논문집
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    • pp.196-201
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    • 1997
  • The biggest challenge facing today's manufacturing industry is better quality and high productivit. From an economic point of view, productivity is the most important parameter, as high productivity will reduce the cost. However, the customers of today are not only cost concerned, but also quality conscious. So high accuracy levels should also be achieved in the manufacturing process. The aim of this paper is to get a comprehensive understanding of its machinability properties and to investigate the relationship between cutting conditions and surface roughness for Ball End Mill cutting process so as to enhance its practical application.

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CAN 기반 분산 제어시스템의 종단 간 지연 시간 분석과 온라인 글로벌 클럭 동기화 알고리즘 개발 (End-to-end Delay Analysis and On-line Global Clock Synchronization Algorithm for CAN-based Distributed Control Systems)

  • 이희배;김홍렬;김대원
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2003년도 학술회의 논문집 정보 및 제어부문 B
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    • pp.677-680
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    • 2003
  • In this paper, the analysis of practical end-to-end delay in worst case is performed for distributed control system considering the implementation of the system. The control system delay is composed of the delay caused by multi-task scheduling of operating system, the delay caused by network communication, and the delay caused by the asynchronous between them. Through simulation tests based on CAN(Controller Area Network), the proposed end-to-end delay in worst case is validated. Additionally, online clock synchronization algorithm is proposed here for the control system. Through another simulation test, the online algorithm is proved to have better performance than offline one in the view of network bandwidth utilization.

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충주시 경관계획 수립을 위한 조망대상 및 조망점 선정에 관한 연구;거주기간을 포함한 사용자 특성을 중심으로 (A Study on the Selection for View Target and View Points of Townscape Planning in Chung-ju City)

  • 이윤정;박지애;김기수
    • 한국주거학회:학술대회논문집
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    • 한국주거학회 2006년도 추계학술발표대회 논문집
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    • pp.253-259
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    • 2006
  • Since townscape planning zones were introduced in 2000 by a revised Urban Planning Law, interest and understanding on townscape have been enhanced in Korea. Driven by this trend of the time, interest in townscape planning has been growing in the area of urban planning, and local governments have been expressing their interest in townscape management. This study is intended to provide criteria for setting goals of constructing desirable urban environments in harmony with existing condition in Chung-ju City. To this end, questionnaire surveys and awareness research were administered and following findings were obtained in relation to user-specific preferences on view targets and view points for townscape planning in Chung-ju City. In general, citizens of Chung-ju City were found to prefer townscape frequently in use practically, while residents in other areas preferred such townscape as linked with the city' s overall reputation. Both groups were found to prefer natural landscape (Gaemyeongsan, Namsan, etc.) to artificial one as a view target, and Chung-ju Terminal and the neighborhoods and downtown(Seongseo-dong) were presumably preferred as a view point.

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전일적(holistic) 관점에 의한 환경디자인 접근방법 고찰 (A Study on the Methods of Environmental Design with the View of Holism)

  • 이희정
    • 한국실내디자인학회:학술대회논문집
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    • 한국실내디자인학회 1999년도 춘계학술발표대회 논문집
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    • pp.71-74
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    • 1999
  • Mechanical world view was built by Newton and Decarte approximately 400 years ago. Modern Society has reached at the time for fundamental adjustment and in effect, the paradigm shift is now under way. The new paradigm is the holistic world view that considers the world as the integrated entirety rather than the unity of separated parts. The pluralistic phase which can be considered as general characteristics observed in the art, society and culture in the end of the 20th century is seen as the reflection of this new world view. the complementary relationship between traditionism and modernity and oriental intuitive, holistic approach and western rational analytical approach can be explained when the complementary relationship is recognized with holistic and integrated view. The holistic paradigm and integrated-artistic view are the new aesthetic value which can suggest an alternative for public art of environmental design.

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원천석(元天錫)의 역사의식과 유불도(儒佛道) 삼교관 (A Study on the Historical Consciousness and View of the Three Religions of Won Cheon Seok)

  • 정성식
    • 한국철학논집
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    • 제35호
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    • pp.165-188
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    • 2012
  • 본 연구의 목적은 고려 말과 조선초기라는 역사적 전환기에 삶을 영위한 원천석의 역사의식과 유불도 삼교관을 탐구하는데 있다. 원천석은 당시 백성들의 입장을 적극적으로 대변하려 하였다. 백성들을 고통과 도탄에 빠뜨리고 있는 권세가들의 전횡을 적극적으로 비판하는 그의 태도는 고려 말 신진사류들의 입장과 그 궤를 같이 하는 것이었다. 그는 요동정벌이 시행되자 고려의 기상을 떨칠 수 있는 좋은 기회로 여겼으나 현실상황은 자신의 기대와는 다르게 전개되어 나갔다. 이성계가 위화도에서 말을 돌려 회군을 함으로써 국가적 위기상황을 맞이하게 되자 원천석은 이성계의 행위에 대한 강한 부정적 입장을 표명하였다. 원천석은 유학자로서 불교와 도교를 부정하지 않는 자세를 견지하였다. 그는 유불도가 하나의 이치로 통하는 것이라 파악하였다. 유학에 학문적 토대를 둔 그가 유교 그 자체뿐만 아니라 불교와 도교적 세계관에 대해서도 깊은 이해를 도모하여 유교적 사유체계에서 오는 현실적 갈등과 대립의식을 승화시키고 있었다. 열린사회와 글로벌화를 지향하며 다문화사회로 접어든 현대는 다양한 가치관이 공존하고 점차 민족 간 문화적 교류 빈도가 증대해가고 있다. 이러한 현실적 변화과정으로 볼 때, 타자에 대한 넓은 이해와 소통, 그리고 상호존중의 교섭적 특성을 갖는 원천석의 유불도 삼교관은 오늘을 살아가는 우리들에게 시사하는 바가 적지 않다.