• 제목/요약/키워드: Masan

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2002년 하계 마산만의 수질개선을 위한 환경용량산정 모델링 (The Ecological Modeling for Estimation of Carrying Capacity in Masan Bay in 2002 summer)

  • 홍석진;이원찬;박성은;정래홍;조윤식;박종수;김동명
    • 한국습지학회지
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    • 제9권2호
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    • pp.57-69
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    • 2007
  • 본 연구는 마산만에서 육상기원 오염부하와 퇴적물로부터의 부하에 의한 해수 수질의 응답특성과 환경용량을 2002년 하계의 관측 자료를 바탕으로, 생태계 모델링을 이용하여 산정하였다. 만 내측의 잔차류는 0.1~1.5cm/s의 크기로 비교적 현상과 유사하게 재현되었는데, 표층에서는 잔차류가 남향으로 저층에서는 북향류를 이루고 있어서, 육상으로부터 유입된 오염물질이 쉽게 만 외부로 빠져나가는 것이 힘들다. 모델링결과 COD 분포는 육상오염부하가 큰 만 내측에서 3 mg/L이상의 높은 값을 나타내고 있다. 목표수질 해역 I등급(COD 1 mg/L)을 달성하기 위한 오염원별 삭감 부하량은 유기물(COD)과 영양염을 80%이상 삭감해야하는 것으로 나타났다. 또한, 해역 II등급(COD 2 mg/L)을 달성하기 위한 오염원별 삭감 부하량은 유기물(COD)과 영양염을 50%이상 삭감하여야 하는 것으로 나타났다. 각각의 경우 COD의 환경용량은 2.32 ton/day와 7.16 ton/day로 나타났다.

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광범위 회전근 개 파열의 개방적 봉합술 (Open Repair of Massive Rotator Cuff Tears)

  • 안병우;윤종호;조제일;곽완섭;왕경태;정성원
    • Clinics in Shoulder and Elbow
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    • 제9권1호
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    • pp.20-26
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    • 2006
  • Purpose: To evaluate the usefulness and functional results of open repair of massive rotator cuff tears combined with or without the tenoplasty of biceps long head. Materials and Methods: From March 2003 to August 2004, we evaluated 18 cases of the patient treated with open repair of massive rotator cuff tears. The mean age was 56 years and mean follow-up period was 15 months. We performed open repair of massive rotator cuff tears by tendon to bone repair, but in irrepairable 4 cases for tendon to bone repair performed open repair combined with tenoplasty of biceps long head. The functional results were assessed using the Constant score, the parameters of which were pain, dialy activity, mobility, strength and satisfaction. Results: The functional results were excellent in 4 cases, good in 8 cases, fair in 3 cases and poor in 3 cases. And the results of open repair combined with tenoplasty of biceps long head were good in 2 cases and fair in 2 cases. Re-repair was done in 1 case for re-rupture. And the functional result of this case was fair. The 3 poor cases were suspected re-rupture, the factor of which old age and weakened rotator cuff. It was impossible to do re-repair. Conclusion: The open repair combined with or without tenoplasty of biceps long head is a useful and effective method for massive rotator cuff tear.

소아 장루의 합병증 (Stomal Complications in Children)

  • 박중재;이주홍;정종도;최영철;정우식;전시열
    • Advances in pediatric surgery
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    • 제8권1호
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    • pp.11-15
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    • 2002
  • This is a 20 year analysis of the problems associated with enterostomy formation, and closure. Forty-three stomas were established in 43 patients: 23 for anorectal malformations, 11 for Hirschsprung's diseases, 4 for necrotizing enterocolitis, 3 for multiple ileal atresias, 1 for volvulus neonatorum with perforation, and 1 for diaphragmatic hernia with colon perforation. Thirty boys and 13 girls were included (mean age 4.8 months). Stoma complications were encountered in 13 patients (30.2 %): stomal prolapse, stenosis, obstruction, paracolic hernia, retraction, dysfunction, and skin excoriation, Four patients (9.3 %) required stomal revision. Occurrence of complications was not related to age and primary disease, but sigmoid colostomy showed lower complication rate than transverse colostomy (20.0 % vs 42.9 %, p<0.05). There were five deaths but, only one (2.3 %) was directly related to the enterostomy complication. Twenty-one stomas were closed in our hospital and complications occurred in seven patients (33.3 %). The most common complication was wound sepsis in 5 children. In conclusion, because the significant morbidity of stomal formation still exists, refinements of the surgical technique seem to be required, Sigmoid loop colostomy is preferred whenever possible.

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공간자기상관 지수와 Pearson 상관계수를 이용한 마산만 수질의 공간분포 패턴 규명 (Identifying Spatial Distribution Pattern of Water Quality in Masan Bay Using Spatial Autocorrelation Index and Pearson's r)

  • 최현우;박재문;김현욱;김영옥
    • Ocean and Polar Research
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    • 제29권4호
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    • pp.391-400
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    • 2007
  • To identify the spatial distribution pattern of water quality in Masan Bay, Pearson's correlation as a common statistic method and Moran's I as a spatial autocorrelation statistics were applied to the hydrological data seasonally collected from Masan Bay for two years ($2004{\sim}2005$). Spatial distribution of salinity, DO and silicate among the hydrological parameters clustered strongly while chlorophyll a distribution displayed a weak clustering. When the similarity matrix of Moran's I was compared with correlation matrix of Pearson's r, only the relationships of temperature vs. salinity, temperature vs. silicate and silicate vs. total inorganic nitrogen showed significant correlation and similarity of spatial clustered pattern. Considering Pearson's correlation and the spatial autocorrelation results, water quality distribution patterns of Masan Bay were conceptually simplified into four types. Based on the simplified types, Moran's I and Pearson's r were compared respectively with spatial distribution maps on salinity and silicate with a strong clustered pattern, and with chlorophyll a having no clustered pattern. According to these test results, spatial distribution of the water quality in Masan Bay could be summed up in four patterns. This summation should be developed as spatial index to be linked with pollutant and ecological indicators for coastal health assessment.

Estimation of PAHs Fluxes via Atmospheric Deposition and Riverine Discharge into the Masan Bay, Korea

  • Lee Su-Jeong;Moon Hyo-Bang;Choi Minkyu;Goo Jun-Ho
    • Fisheries and Aquatic Sciences
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    • 제8권3호
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    • pp.167-176
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    • 2005
  • Atmospheric deposition and riverine waters were sampled throughout a year, to estimate the loading fluxes of polycyclic aromatic hydrocarbons (PAHs) into the Masan Bay and its vicinity, Korea. Atmospheric deposition fluxes of total PAHs in the surveyed area varied from 62.2 to 464 ${\mu}g/m^2/year$. Concentration of total PAHs in water samples from six rivers ranged from 34.6 to 239 ng/L. Contribution of the carcinogenic PAHs to the total PAHs occupied $38\%$ and $50\%$ for atmospheric deposition and river waters, respectively. Atmospheric deposition fluxes and water concentrations of PAHs were slightly low or moderate to those in locations from some countries. Correspondence analysis was used to investigate the loading characteristics of PAHs according to transport routes. Atmospheric deposition samples were corresponded to higher molecular aromatics of PAHs, while riverine water samples were associated with lower molecular weight of PAHs. The results indicate that the higher-molecular-weight PAHs can be primarily transported by atmosphere deposition and the lower-molecular-weight PAHs can be mainly contaminated by riverine discharge into the Masan Bay and its vicinity. Loadings fluxes of PAHs into the Masan Bay and its vicinity were 39.2 g/day via atmosphere and 10.3 g/day via rivers, showing that atmospheric input was about 4 times higher than riverine one. Therefore, in order to minimize the contamination burden of PAHs from terrestrial sources to the Masan Bay and its vicinity, the control and management of PAHs deriving from atmosphere will be necessary.

국내 관제대상 선박의 적절성 검토에 관한 기초 연구 (A Basic Study on Analysis of Adequacy for Mandatory Vessels to Participate VTS in South Korea Harbour)

  • 봉순영;이호영;박민재;이성민;김우현;이동헌
    • 한국항해항만학회:학술대회논문집
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    • 한국항해항만학회 2013년도 춘계학술대회
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    • pp.429-431
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    • 2013
  • 선박 교통의 안전을 확보하고 항만의 효율성의 제고, 해양사고예방 및 해양환경 보호의 역할 기능으로 오늘날 해상교통관제의 중요성이 증대되고 있는 실정이다. 하지만 해상교통관제 운영의 법적근거가 미흡하여 적극적 체계적 관제 시행이 어려운 것이 현실이다. 이러한 해상교통관제 제도 선진화에 따라 관련 규정의 재정비는 필연적인 것으로 보인다. 따라서 본 연구는 현재 우리 나라 관제대상 선박의 적절성을 검토하고 나아가 관제대상 선박 적정 규정에 관한 지향점을 제시하기 위한 기초 연구로 삼고자 한다. 전 세계 27개국 124개 지역을 대상으로 조사한 관제대상 선박기준을 조사하여 우리나라 각 지방해양항만청의 관제대상 선박기준과 비교 분석을 통하여 적절성을 검토를 하고자 한다.

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The study of masan barber's coastal line change during 100years

  • Choi, Chul-Uong;Kim, Young-Seop;Cho, Sung-Hwan
    • 대한원격탐사학회:학술대회논문집
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    • 대한원격탐사학회 2002년도 Proceedings of International Symposium on Remote Sensing
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    • pp.273-273
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    • 2002
  • Masan barber was situated in S.Korean southern central coast. And it is contributing greatly in S.korea's economy development to international trading port of Heaven's blessing that possess natural, geographical situation. Also, because there are Masan free tax area and chanwon heavy industrial complex, sachon air industrial complex etc. on back, it is important permanency in our country. Specially, because inland transport routes such as southern highway, Guma highway and national road system are developed well, the importance is very high. Masan harbor 1899.05.01 be that opened, the 1st and 2nd (central pier) was build 1938∼1944 year, and the 3rd pier was 1973∼1978 year. the 4th pier was 1974∼1983 year, 5th pier was 1984∼1988, 6th pier (west pier) was 1985∼1992 year. it was developed over 100 years. But, it did great many harbor and bay development of last 100 yens but research about coastline change and seashore reclamation is insufficient. Therefore, this research executed research about coastline change of Masan bay of last 100 years, In this study, we analyzed aerial photographs and tide data for the past 100 years using digital aerial photo analysis and GIS techniques for each 3-year interval. We abstracted beach DEM (digital elevation model) and ortho aerial photographs, and conducted a space analysis. As a result, we were able to identify changes in the area As a result, we drew 10 years cycle coastline change of Masan bay. and we can detect bay coastal line change and calculate refill rate.

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서혜부 피판과 신경혈관 도서형 피판을 이용한 무지 재건술 (Groin flap and Neurovascular island flap for Reconstruction of the Thumb)

  • 진진우;김종관;박찬완;이영호;곽완섭;정성원
    • Archives of Reconstructive Microsurgery
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    • 제14권2호
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    • pp.152-156
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    • 2005
  • Purpose: We reconstructed the thumb with groin flap combined with secondary heterodigital neurovascular island flap and report our 6 cases. Materials and Methods: Between March 2003 and August 2004, 6 degloving thumbs or amputation of thumbs were reconstructed with groin flap combined with secondary heterodigital neurovascular island flap. There ware 4 men and 2 women, and mean age was 42.2 years. The following parameters were evaluated. Results: Recipient thumb was no limitation of apposition. but flexion contracture of interphalangeal joint was about 10 degree in two cases. Average grip power were 80% and average pinch power were 70% that of the normal thumb. The two point discrimination was average 10.5 mm and double sensibility in 2 cases. 2 patients have cold intolerance. Neuroma formation was not made. Cosmetic results as judged by patients were that 4 cases are good and 2 cases are fair. Conclusion: If massive skin defect after degloving thumb or amputation of thumb are present, we consider the numerous methods for reconstruction of thumb. This surgical procedure is good methods because of it's pliability, sensation, satisfactory functional results but major disadvantage are the staged operation and cosmetic effect of the absence of thumb nail.

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마산만에서의 담수 유입시 오염물의 이송 및 확산 (Advection and Diffusion of Pollutant Inflow of Freshwater in Masan Bay)

  • 유민욱;김영도;류시완;서일원
    • 한국방재학회:학술대회논문집
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    • 한국방재학회 2008년도 정기총회 및 학술발표대회
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    • pp.795-798
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    • 2008
  • 하구는 담수와 해수가 만나 넓은 갯벌과 기수역을 형성하여 각종 생물의 서식지이자 어류의 산란지로 이용되는 생태학적으로 매우 중요한 지역이다. 마산만은 우리나라의 대표적인 폐쇄성 수역으로 진해만의 가장 안쪽에 위치하며 외해로부터 9km 들어와 있으며, 만 입구의 폭이 1 km 미만으로 해류의 이동의 거의 없는 정체성 수역이다. 마산만산은 인근 마산, 창원 지역에 대규모 공단이 위치하며 100만에 이르는 인구로 인해 많은 오염물질이 유입되어 만의 오염을 가중 시키고 있다. 정체성 수역인 마산만의 특성상 유입되는 오염물은 외해로 배출되지 못하고 만 내부에 축적되어 오염을 가중 시키고 있다. 본 연구에서는 마산만 최내측에 위치한 창원천과 남천의 유입시 발생되는 수리적 거동을 2차원 유한요소 모형인 RMA-2모형 이용 모의하고 오염물질의 이송 및 확산을 RMA-4 모형을 이용하여 모의하였다. 또한 마산만 조위관측소의 조위자료를 활용하여 조위의 영향을 반영하였다.

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A study on the perception of occupational therapy majors on Cognitive Impairment Screening Test (CIST)

  • Lee, Sun-myung;Chae, Joo-hyun;Sung, I-sul;Lee, Soo-jin;Moon, Soo-bin;Park, Da-hee;Park, So-hyun
    • 한국임상보건과학회지
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    • 제9권2호
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    • pp.1493-1501
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    • 2021
  • Purpose: The purpose of this study is to classify the characteristics of each item of CIST evaluation and to find out the degree of recognition of the characteristics of the cognitive tool. Methods: This study was conducted for occupational therapy majors at M University located in Gyeongsangnam-do. The data collection from May to June 2021. Total of 25 copies of the data were finally analyzed, SPSS Statistics 26 was used for data analysis. Results: As a result of the study, the significance level was visual reasoning 1 test strip and the visual reasoning 1 tool. In the relationship between the correspondence 1 figure simulation sheet and the figure simulation tool for each item and statistically significant, and the correspondence 2 visual reasoning 2 sheet. Visual reasoning 2 sheet and visual reasoning tool also showed that was found to be statistically significant. The correlation for visual reasoning 1 sheet and the visual reasoning 1 tool, reasoning 2 tool and visual reasoning 1 sheet, and the visual reasoning 2 tool and the verbal reasoning sheet. Conclusion: In this study, in the CIST items that may be difficult, it is better to attach the actual tool rather than the verbal explanation of the test paper to increase the efficiency of the test and the understanding of subjects with mild cognitive impairment. It was implemented by applying the tool, and it was found that the use of the tool in the visual reasoning item showed a high correlation by item. Furthermore, based on this study, it will be possible to suggest a method to control the difficulty of each subject of the cognitive evaluation tool, and to prepare a standard for future research.