• 제목/요약/키워드: Spatial extent

검색결과 283건 처리시간 0.026초

진단검사의학과 검사실의 공간 환경만족도 조사 연구 - 근무자 중심으로 - (A Study on Spatial and Physical Environment Satisfaction of Clinical Laboratory Scientists)

  • 심문정
    • 대한임상검사과학회지
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    • 제37권2호
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    • pp.111-117
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    • 2005
  • The purpose of this study is to provide the basic guidelines of spatial and physical environment for the planning and design of clinical laboratory by analysing the extent of satisfaction of clinical laboratory scientists. The data for this analysis was gathered from March to May 2005 by the questionnaires of 208 clinical laboratory scientists who work in the 13 hospitals. All the collected data was analyzed by the SPSSWIN program. In this study, the satisfaction measurement tool was composed with 8 items and 5 score scale. The mean score of satisfaction for spatial and physical environment was 2.89 out of 5.0, "noise" was the lowest 2.40, "temperature and moisture of the lab." was 2.72, "lab. area, service area and administration area" was 2.77, "passageway space" was 2.94, circulation of workers was 2.94, "color of finish" was 3.19, "lighting of lab." was the highest 3.39. In conclusion, various factors, noise, temperature and moisture, clinical lab area, were evaluated to moderate dissatisfaction. Noise was especially the first serious problem in clinical lab. Considering the high growth of the number of tests, the planning of the clinical laboratory size should be considered not only to provide the optimal size but how it will correspond to the growth of the number of tests. Therefore the arrangement of each section need to be flexible in arrangement which is inevitable in expansion and reconstruction in the future.

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바람장의 공간적.시간적 해상도가 누출물질 확산에 미치는 영향 (Effects of Spatio-Temporal Resolution of Diagnostic Wind Field on the Dispersion of Released Substance)

  • 김영성
    • 한국대기환경학회지
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    • 제16권4호
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    • pp.327-338
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    • 2000
  • complexity in atmospheric environment coupled with shoreline and complex terrain often causes local variations of meteorology that are distinct from those representative over larger surrounding area, These kinds of local variations are less significant in usual long-term environmental impact analyses dealing with continuous plume. The variations could however be crucial in predicting dispersion of toxic substance released in a relatively small area for a short duration. In the present paper the effects of spatial and temporal resolution of diagnostic wind field on the dispersion of the released substance are investigated by using a puff model. A hypothetical release scenario assumes that a substance is released from a location in the Yochon Industrial Estate and passively dispersed within a few-kilometer distance for an hour. The results show that diagnostic analysis could resolve more spatial variations to some extent by employing smaller grid size. The peak concentrations and puff trajectories obtained from spatially -and/or tmeporally -varing diagnostic wind field are found appreciably different from those obtained from uniform wind field. Attention to high-resolution wind field in the both spatial and temporal spaces is called in the consequence analysis of toxic substance release.

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SATELLITE-MEASURED TEMPORAL AND SPATIAL VARIABILITY OF TOKACHI RIVER PLUME

  • Lihan, Tukimat;Saitoh, Sei-Ichi;Iida, Takahiro;Matsuoka, Atsushi;Hirawake, Toru;Iida, Kohji
    • 대한원격탐사학회:학술대회논문집
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    • 대한원격탐사학회 2006년도 Proceedings of ISRS 2006 PORSEC Volume I
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    • pp.118-121
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    • 2006
  • Variations in the extent and dispersal of river plume are important in the study of coastal environment. The objectives of this study are to examine relationship between satellite detected plume area and river discharge and to clarify the temporal and spatial dynamic of plume from Tokachi River, Hokaido, Japan. We used 1.1 km spatial resolution of SeaWiFS normalized water-leaving radiance (nLw) images from 1998 to 2002. Supervised maximum likelihood classification was implemented to define classes of surface water optical properties. Satellite observed plume area was correlated to the amount of river discharge from April to October. First mode (44% of variance) of EOF analysis shows the turbid plume distribution resulting from re-suspension by strong wind mixing along the coast during winter. This mode also shows plume distribution along-shelf direction in spring and late summer. Second mode (17% of variance) shows spring pattern across-shelf direction due to strong discharge of snow melting water.

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Spatial interpolation of geotechnical data: A case study for Multan City, Pakistan

  • Aziz, Mubashir;Khan, Tanveer A.;Ahmed, Tauqir
    • Geomechanics and Engineering
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    • 제13권3호
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    • pp.475-488
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    • 2017
  • Geotechnical data contributes substantially to the cost of engineering projects due to increasing cost of site investigations. Existing information in the form of soil maps can save considerable time and expenses while deciding the scope and extent of site exploration for a proposed project site. This paper presents spatial interpolation of data obtained from soil investigation reports of different construction sites and development of soil maps for geotechnical characterization of Multan area using ArcGIS. The subsurface conditions of the study area have been examined in terms of soil type and standard penetration resistance. The Inverse Distance Weighting method in the Spatial Analyst extension of ArcMap10 has been employed to develop zonation maps at different depths of the study area. Each depth level has been interpolated as a surface to create zonation maps for soil type and standard penetration resistance. Correlations have been presented based on linear regression of standard penetration resistance values with depth for quick estimation of strength and stiffness of soil during preliminary planning and design stage of a proposed project in the study area. Such information helps engineers to use data derived from nearby sites or sites of similar subsoils subjected to similar geological process to build a preliminary ground model for a new site. Moreover, reliable information on geometry and engineering properties of underground layers would make projects safer and economical.

Characteristic rheological responses of PVA solutions in water-containing solvents

  • Song, Song-Ie;Kim, Byoung-Chul
    • 한국섬유공학회:학술대회논문집
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    • 한국섬유공학회 2003년도 가을 학술발표회 논문집
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    • pp.181-182
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    • 2003
  • Poly(vinyl alcohol) (PVA) is a semicrystalline polymer whose hydroxyl groups produce inter-and intramolecular hydrogen bonding. The extent of hydrogen bonding is greatly affected by stereoregularity of hydroxyl groups, so-called tacticity, of PVA[1-3]. Hydrogen bonding has a profound effect on the rheological and mechanical properties of the polymer, which is largely determined by the density and spatial arrangement of hydroxyl groups. (omitted)

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Vegetation Indices for Selective Logging Detection in Tropical Forest of East Kalimantan

  • Bhandari, S.P.;Hussin, Y.A.
    • 대한원격탐사학회:학술대회논문집
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    • 대한원격탐사학회 2003년도 Proceedings of ACRS 2003 ISRS
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    • pp.289-291
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    • 2003
  • Selective logging is currently a widely adopted management practice throughout the tropics. Monitoring of spatial extent and intensity of such logging is, therefore, becoming an important issue for sustainable management of forest. This study explores the possibility of using vegetation indices and Landsat 7 ETM+ image for this purpose. Two dataset acquired on 2002 and 2000 of Labanan concession area East Kalimantan, Indonesia were used. Three different vegetation indices (MSAVI, SAVI and NDVI) slicing and differentiating methods were tested. The results showed that the MSAVI is superior with overall accuracy of 77% and kappa 0.64.

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Laser Thomson Scattering Measurements and Modelling on the Electron Behavior in a Magnetic Neutral Loop Discharge Plasma

  • Sung, Youl-Moon;Kim, Hee-Je;Park, Chung-Hoo
    • KIEE International Transactions on Electrophysics and Applications
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    • 제11C권4호
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    • pp.107-112
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    • 2001
  • Laser Thomson scattering measurements of electrom temperature and density in a neutral loop discharge (NLD) plasma were performed in order to reveal the electron behavior around the neutral loop (NL). The experimental results were examined by using a simulation model that included effects of a three dimensional electromagnetic field with spatial decay of the RF electric field, and the limitation of the spatial extent of the electron motion and collision effect. From the experiments and modeling of the electron behavior, it was found that NLD plasma posses the electron temeprature $T_{e}$ and density ne peaks around the NL is essential for the formation of plasma. Also, the optimum condition of plasma production could be simply estimated by the calculation of $U_{av}$ and $F_{0}$././.

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유비쿼터스 주거공간의 기능적 위계성 분석에 관한 연구 (A Study on the Hierarchic Analysis of Spatial Function in Ubiquitous Housing)

  • 이상화;최동식
    • 한국주거학회논문집
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    • 제18권3호
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    • pp.19-29
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    • 2007
  • This study is aimed at interpreting into changes and characters of function applied into quantative analysis in ubiquitous house. Digital technology being introduced into architectural fields, It applied expansively from design and construction to user's convenience. The application of digital technology is presented to various change like effectiveness and exactness in design and function of space, which is overlayed digital space to physical space beyond the extent of receiving human needs in physical space. In ubiquitous house, digital technologies are supplied to function coordinated with life, appreciating into positional informations of human and materials, spatial informations. Ubiquitous house is comparably effective into funtional expansion, user's convenience, safty, which, for the future, is going to using on housing of high performance encouraging the application of advanced technology. Therefore this study is classified into human behaviors, functions, performances and characters of digital system in ubiquitous house, which being established into the relation of elements, is interpreted numerically into functional changes and charats being applied to ARM.

Robustness, Data Analysis, and Statistical Modeling: The First 50 Years and Beyond

  • Barrios, Erniel B.
    • Communications for Statistical Applications and Methods
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    • 제22권6호
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    • pp.543-556
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    • 2015
  • We present a survey of contributions that defined the nature and extent of robust statistics for the last 50 years. From the pioneering work of Tukey, Huber, and Hampel that focused on robust location parameter estimation, we presented various generalizations of these estimation procedures that cover a wide variety of models and data analysis methods. Among these extensions, we present linear models, clustered and dependent observations, times series data, binary and discrete data, models for spatial data, nonparametric methods, and forward search methods for outliers. We also present the current interest in robust statistics and conclude with suggestions on the possible future direction of this area for statistical science.

전시동선의 이동특성에 관한연구-박물관 환경디자인에 관한 기초적 연구(4)- (A Study on the Characteristics of Visitor's Movement in Exhibition Circulation -A basic Study on the Environmental Design of Museum(4)-)

  • 임채진;박종래
    • 한국실내디자인학회논문집
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    • 제17호
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    • pp.187-195
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    • 1998
  • The purpose of this study is to analyze the characteristics of exhibition circulation which is caused by behavioral factors of visitor's movement and spatial factors in museums. It looks into the factors under the influence with the visitor's movement. The consideration of exhibition circulation may be classified into 2 categories. one is spatial factors which can make a exhibition circulation according to the extent of exhibition space display density position of exit display style and display secenario. and another is the behavioral factors of visitor's movement according to the time speed proportion of appreciation and visiting rate. The method of analysis is statistics of investigation by following after visitors. Through this data we found out that there are correlation with two categories. Therefore each factor that makes an exhibition circulation with organic relevancy have influence on the visitor's movement directly. So appropriate to the planning of each factor can offer visitors to more effective environment of exhibition.

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