• Title/Summary/Keyword: Changwon city

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An Analysis on Water Pollution Degree by the Watershed considering Landcover Types in the Mid-Nakdong River (낙동강중류의 토지피복형태를 고려한 유역별 수질오염도 분석)

  • Lee, Woo-Sung;Jung, Sung-Gwan;Park, Kyung-Hun;You, Ju-Han
    • Journal of Environmental Science International
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    • v.15 no.4
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    • pp.349-357
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    • 2006
  • The purpose of this study is to evaluate the water pollution degree in the Mid-Nakdong River watershed regarding to landcover types using GIS method. As a result of landcover classification, rate of urban appeared highly on Daegu Metropolitan city. Also, rate of agriculture showed highly in the riparian zones of the Nakdong and Guemho River and rate of forest appeared highly in the borders of the study area. To identify the groups of watershed with similar landcover patterns using the Cluster Analysis. According to the cluster analysis, the fifty sub-watersheds were grouped in three clusters, 'Urban watershed', 'Agriculture watershed', 'Forest watershed'. The proportion of urban area in each cluster had a positive correlation with water pollution degree. Otherwise, the proportion of agriculture in the Agriculture watershed had a high positive correlation with water pollution degree. Therefore, it is necessary to estimate environmental capacity of water duality considering ecological and environmental characteristics of watershed ecosystem and expand water duality monitoring systems to small stream.

Spatio-Temporal Characteristics of PM2.5 in Gyeongnam Province during 2015-2016 (2015~2016년 경남지역의 PM2.5의 시·공간적 특성)

  • Shon, Zang-Ho
    • Journal of Environmental Science International
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    • v.26 no.9
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    • pp.1045-1055
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    • 2017
  • Characterization of spatio-temporal variations in $PM_{2.5}$ in Gyeongnam (GN) province during 2015-2016 was investigated to assess the air quality in this area in terms of fine particles. Yearly mean concentrations of $PM_{2.5}$ ranged from 19.1 to $29.5{\mu}gm^{-3}$. High concentrations of $PM_{2.5}$ were observed in spring ($21.2-30.3{\mu}gm^{-3}$) and winter ($20.2-30.3{\mu}gm^{-3}$). Low concentrations of $PM_{2.5}$ were generally observed in fall ($16.2-23.2{\mu}gm^{-3}$). $PM_{2.5}$ concentration was highest in the morning (10 AM). The fractions of $PM_{2.5}$ in $PM_{10}$ were 0.51-0.62 and two were significantly correlated (r=0.779-0.830), suggesting common sources (fossil fuel combustion, mobile sources, etc). CO was significantly correlated with $PM_{2.5}$ in highly urbanized areas such as the city of Changwon (CW, r=0.711), compared to other air pollutants ($SO_2$, $NO_2$, and $O_3$), suggesting dominance of industrial combustion sources.

Scab of Balsam Pear (Momordica charantia) Caused by Cladosporium cucumerinum in Korea

  • Kwon, Jin-Hyeuk;Park, Chang-Seuk
    • The Plant Pathology Journal
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    • v.22 no.2
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    • pp.161-163
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    • 2006
  • During winter season of 2004 to 2006, a scab disease on balsam pear (Momordica charantia) caused by Cladosporium cucumerinum was observed in Daesan-myon, Changwon-city, Gyeongnam province, Koyea. The disease symptom started with small dark brown speck on the fruits and leaves then the lesions expanded and spreaded irregularly. The aggregated mycelial mass and conidia of the fungus formed sooty scab. The colony of purely isolated fungus grew in greenish black to velvety on potato dextrose agar (PDA). Conidia were ellipsoidal, fusiform or subspherical, mostly one-celled but occasionally septated and $3{\sim}32{\times}2{\sim}6{\mu}m$ in size. The conidiophores were erected and had long branch, chains pale olivaceous brown in color and $6{\times}280{\mu}m$ in size. Ramoconidia were $10{\sim}34{\times}3{\sim}8{\mu}m$ in size. The fungus was identified as Cladosporium cucumerinum based on the morphological characteristics. The pathogenicity of the fungus was confirmed according to Koch's postulate. The optimum temperature of the isolate was about $20^{\circ}C$. This is the first report on scab of balsam pear caused by C. cucumerinum in Korea.

공공도서관을 통한 정보주권 확립방안

  • 박인웅;양재한
    • Journal of Korean Library and Information Science Society
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    • v.29
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    • pp.105-140
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    • 1998
  • This is a way of establishing the information sovereignty in the industrial knowledge of society. The occurrence of the industrial knowledge of society builds knowledge and information as digital system. Digitalized knowledge and information has some characteristics of which the information should be light and variable, so that it can be transmitted rapidly. At this moment, if information super highway is built, and the digitalized information of the advanced information country comes to us, we are to get easily information dependence unless we are ready. Nowadays, our country is accepting the knowledge and information of the advanced information countries without filtering it properly. What is the reason? This means that we are lack of traditional knowledge resourses as the foundation of digital system. This paper deals with (1) the historical reason of the lackness of the traditional knowledge resourses, (2) the aspect of the consumer culture about knowledge and information, and (3) the aspect of the production culture about the knowledge and information. In order to overcome the information dependence, in this paper, we should change both production and consumption of our knowledge and information into a new pattern, establish the seed knowledge resourses, and build libraries everywhere we can use easily. For this case study, this paper takes examples of maeul (which may mean traditional villiage in Korea.) libraries on Changwon City.

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A Study on Data Classification of Raman OIM Hyperspectral Bone Data

  • Jung, Sung-Hwan
    • Journal of Korea Multimedia Society
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    • v.14 no.8
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    • pp.1010-1019
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    • 2011
  • This was a preliminary research for the goal of understanding between internal structure of Osteogenesis Imperfecta Murine (OIM) bone and its fragility. 54 hyperspectral bone data sets were captured by using JASCO 2000 Raman spectrometer at UMKC-CRISP (University of Missouri-Kansas City Center for Research on Interfacial Structure and Properties). Each data set consists of 1,091 data points from 9 OIM bones. The original captured hyperspectral data sets were noisy and base-lined ones. We removed the noise and corrected the base-lined data for the final efficient classification. High dimensional Raman hyperspectral data on OIM bones was reduced by Principal Components Analysis (PCA) and Linear Discriminant Analysis (LDA) and efficiently classified for the first time. We confirmed OIM bones could be classified such as strong, middle and weak one by using the coefficients of their PCA or LDA. Through experiment, we investigated the efficiency of classification on the reduced OIM bone data by the Bayesian classifier and K -Nearest Neighbor (K-NN) classifier. As the experimental result, the case of LDA reduction showed higher classification performance than that of PCA reduction in the two classifiers. K-NN classifier represented better classification rate, compared with Bayesian classifier. The classification performance of K-NN was about 92.6% in case of LDA.

A Study on the Expanded Description Elements for the Management of National Artifacts (국가행정박물 관리를 위한 기술요소확장에 관한 연구)

  • Kim, Jeong-Sim;Roh, Soo-Jeong;Nam, Young-Joon
    • Journal of Information Management
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    • v.41 no.1
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    • pp.145-172
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    • 2010
  • National artifacts has the same physical characteristics to general artifacts and the evidential value which was produced during the public working. National artifacts different from paper and electronic records about physical properties. So it should be doing the expanded process. In this study, the ISAD(G), MODS, RAD and CDWA based on Korean Record Management Law by comparing and analysing of the technical elements was being extracted, The descriptive elements of national artifacts is pull by conclusion of the analysis.

창원시 대산면 취수 부지의 지하수와 낙동강의 수리화학적 특성 비교

  • Ham Se-Yeong;Jeong Jae-Yeol;Lee Jeong-Hwan;Kim Hyeong-Su;Ryu Sang-Hun;Kim Tae-Won;Kim Mun-Su
    • Proceedings of the Korean Society of Soil and Groundwater Environment Conference
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    • 2006.04a
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    • pp.307-311
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    • 2006
  • Chemical analyses were conducted for Nakdong River water and riverbank filtrate in Daesan-Myeon area, Changwon City in 2005. Chemical components show different trends in wet season (June, July, August and September) and dry season (the other months). The patterns of chemical variation are classified into four types. Chemical components belonging Type I, as Na and $HCO_3$, show decrease in concentration during wet season and increase in concentration during dry season for both Nakdong River water and the riverbank filtrate. Chemical components belonging Type II, as Mg and $SO_4$, show decrease in concentration during wet season and increase in concentration during dry season for Nakdong River water while show the opposite trend for the riverbank filtrate. Chemical components belonging Type III, as Cl and $NO_3$, show increase in concentration from the start of wet season and high concentration during dry season for both Nakdong River water and the riverbank filtrate. Chemical components belonging Type IV, as Fe, show increase in concentration during wet season and decrease in concentration during dry season for both Nakdong River water and the riverbank filtrate.

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A Correlation Study of Perception to Hospice and Knowledge and Attitude to Advanced Directives in Adults in a Local Community (일 지역 성인의 호스피스 인식과 사전의료의향서에 대한 지식과 태도의 관계)

  • Park, Kyongran;Jang, Sunhee
    • Journal of The Korean Society of Integrative Medicine
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    • v.7 no.4
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    • pp.181-191
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    • 2019
  • Purpose : This narrative research study aimed to identify the degree of correlation between hospice awareness and knowledge of and attitude toward advance directives. Methods : A survey was conducted from July 5 to July 15, 2018 with 210 adults in C city, Gyeongsangnam-do. Using the SPSS 21.0 program, the data analysis methods utilized were the independent t-test, one-way ANOVA, Scheffe, and Pearson's correlation coefficients. Results : The degree of hospice awareness was measured according to the general characteristics of the subjects, which were as follows: heard about economic level, importance of religion, heard of hospice, heard about advance directives, and intention to execute advance directives. The knowledge of advance directives had significant differences by age, hospitalization experience, religion, and being the final decision maker for a family problem. The attitude toward advance directives differed significantly by marriage status and the intention to write an advance directives. The relationship between hospice awareness and knowledge and attitude toward advance directives showed a positive significant correlation (r=.47, p<001). The relationship between knowledge of and attitude toward advance directives also indicated a positive significant correlation (r=.20, p=.005). Conclusion : This study provided basic data to inform promotion of hospice awareness and an educational intervention about advance directives.

A Study on the Team Sharing Spirit Model, Team Effectiveness, Team Cohesion, Team Reliability, and Turnover Intension among Hospital Nurses (병원 간호사의 팀 공유정신, 팀 효과성, 팀 응집력, 팀 신뢰도, 이직의도에 관한 연구)

  • Lee, Jieun;Kong, Jeonghyeon;Lee, Haerang
    • Journal of The Korean Society of Integrative Medicine
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    • v.8 no.3
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    • pp.121-131
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    • 2020
  • Purpose : This study was conducted to confirm the correlation between team sharing spirit, team effectiveness, team cohesion, team reliability, and turnover intention of hospital nurses and to identify the influence factors affecting the turnover intention of hospital nurses. Methods : The sample for this study consisted of 200 nurses from four general hospitals of less than 500 beds located in J city. Data were analyzed using frequency, percentage, mean, standard deviation, t-test, ANOVA, Scheffe' test, Pearson Correlation and Hierarchical Multiple Regression. Results : Factors influencing nurse turnover intentions included satisfaction with nursing position (β=.274), team reliability (β=-.250), satisfaction with department (β=-.178), and career (β=.149) in order, and these influence factors accounted for 32.1 % of nurses' turnover intentions. Conclusion : Based on the results of the study, it is necessary to consider ways to reduce the turnover intention of nurses by devising strategies to increase the factors of satisfaction with nursing positions, team reliability, and satisfaction with department by making good use of the resources of the medical institution. It is suggested to conduct repeated studies of nurses working in various clinical sites and further studies applying various outcome variables in the future.

Interpretation of Empirical Cone Factors for Determining Undrained Strength (비배수강도 결정을 위한 콘 지수 연구)

  • Kim, Dae-Kyu
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.10 no.11
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    • pp.3296-3301
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    • 2009
  • The results of PCPT(Pezocone Penetration Test) are widely used for the estimation of the undrained shear strength, for which the empirical cone factors($N_{kt}$, $N_{ke}$, $N_{{\Delta}u}$) need to be obtained at each site. In this study, the cone factors were estimated, for the soils at Bookmyun area in Changwon city, using the undrained shear strengths from the unconfined and UU triaxial compression tests. The parametric studies with plastic index and pore water pressure ratio were performed as well. $N_{kt}$, $N_{ke}$ and $N_{{\Delta}u}$ were estimated in the ranges of 8~40, 7~37, and 1~26 respectively. It was observed that there is a relationship between the cone factors, specially $N_{{\Delta}u}$, and the pore pressure ratio.