• Title/Summary/Keyword: Receiving area

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Spatio-temporal Distributions of Macrobenthic Community on Subtidal Area around Mokpo, Korea (목포 주변 해역 조하대 저서동물 군집의 시 ${\cdot}$ 공간적 분포)

  • Lee, Jae-Hac;Choi, Jin-Woo;Park, Heung-Sik
    • The Sea:JOURNAL OF THE KOREAN SOCIETY OF OCEANOGRAPHY
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    • v.5 no.2
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    • pp.169-176
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    • 2000
  • This study was carried out to clarify the spatial and temporal patterns of macrobenthic assemblages on the subtidal area around Mokpo, southwest of Korea. A total of 238 species and 663 ind./$m^{2}$ were collected. Polychaetes were the most abundant faunal group that comprised 88 species and had a mean density of 389 ind./$m^{2}$. In the semi-enclosed Youngsan River estuarine bay and neighbouring Mokpo Port area were composed of fine sediments with high organic content, and revealed large seasonal variations in the salinity of surface water and bottom dissolved oxygen in contrast to little seasonal changes in those parameters in the outer area. The study area was classified into four station groups by the cluster analysis; the harbor area, the offshore area, and the inner and outer estuarine bay. Two estuarine bay areas showed different species composition; the dominant species of inner bay were Tharyx sp., Poecilochaetus johnsoni, Heteromastus filiformis and other opportunistic species whereas those in the outer bay were Ruditapes philippinarum, Corophium sinense. From the environmental data and species composition of benthic community, the inner bay was characterized to have unstable benthic faunal assemblages, especially under the seasonal disturbance and receiving large amount of organic matter input and intermittant discharge of fresh water. The coastal developments around Mokpo city also seem to have stressed the subtidal communities spatio-temporally.

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Changes of Pharyngeal Airway Space after Mandibular Setback Surgery in Computed Tomography Images (전산화단층촬영상에서 하악후퇴수술 후 인두기도 공간의 변화)

  • Kim, Bang-Sin;Jung, Seung-Gon;Han, Man-Seung;Jeoung, Youn-Wook;Kook, Min-Suk;Park, Hong-Ju;Oh, Hee-Kyun;Ryu, Sun-Youl
    • Maxillofacial Plastic and Reconstructive Surgery
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    • v.33 no.1
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    • pp.36-43
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    • 2011
  • Purpose: This study evaluated the pharyngeal airway space changes in CT images in patients receiving bilateral sagittal split osteotomy (BSSRO) for the surgical correction of mandibular prognathism. Methods: A total of 22 patients with mandibular prognathism were treated using BSSRO. Computed tomography was performed 1 month (T0) before surgery and, 1 month after surgery (T1). The anteroposterior length (AP), lateral width (LAT) and cross-sectional area (AREA) at the level of soft palate (C2) and base of the tongue (C3) were measured using CT images. Results: The mean amount of mandibular setback was 7.41 mm (${\pm}$3.46 mm). All the AP, LAT and AREA at the C2 and C3 level were decreased significantly 1 month after surgery (P<0.001). As the amount of mandibular setback was increased, the AP, LAT and AREA levels at the level of C2 and C3 had decreased. In addition, the reduction of the AREA at the C3 level was associated with the amount of mandibular setback (P<0.05). Conclusion: A significant decrease in pharyngeal airway space was observed 1 month after the operation. The cross-sectional area at the level of base of tongue was decreased with increasing amount of mandibular setback.

A Study on the Status of Maternal and Child Health (MCH) and Family Planing (FP) in a Rural Area (Yeoju), 1984 (일부 농촌지역의 모자보건 및 가족계획실태에 관한 연구)

  • Kim, Yang-Soo;Yum, Yong-Tae;Song, Dong-Bin;Kim, Soon-Duck
    • Journal of agricultural medicine and community health
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    • v.12 no.1
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    • pp.54-62
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    • 1987
  • This study was performed as a part of survey for the operation and interim evaluation of the on-going pilot project of community health in Jeomdong-Myon, Yeoju-Gun, Kyunggi-Province since 1982. Seven Villages (Ri) were selected purposively for the survey from a total of 26 villages in Jeomdong-Myon, target area, under the consideration of the socio-economic background and the distribution of health resources. The target population was the women in age group of 15-44 years in that area and a total of 156 women were interviewed. This study was done by the interview survey using questionnaire which was composed with questions about MCH and FP. The results were as follows; 1) ln the status of maternal health, (1) the proportion of receiving antenatal care was relatively high (67.1%) in this area, but the starting time of antenatal care was delayed to 7 months or more of gestational period in 22 percent. Therefore some intervention would be necessary for advancing the time of antenatal care. (2) The proportion of home delivery was decreased according to the rank of birth-order. And more than 50 percent of delivery attendants were mothers-in-law or neighbors. The fact indicates that the health education for non-professional delivery attendents would be necessary for improving home delivery and the content of education would be preferable to focussing to the method of hygienic delivery attending. (3) The comprehensive health service and education would be recommended for the postnatal care, because of the extremely low rate of postnatal care in this area. 2) In the status of child health, (1) the pro-portion of breast feeding was 90.2 percent, and the weaning started after 12 months of birth in 12.7 percent. This indicates the necessity of education about the weaning program. (2) The proportion of completed basic vaccination was 39.6% and the main reason of missing vaccination was poor accessibility in terms of time. For that, the supply of vaccine to primary health care units (health subcenters) should be continuous, not infrequent nor occassional. 3) The proportion of respondants who were using contraceptive methods currently was 79.8 percent and in 44.7 percent they accepted the permanent contraceptive methods. Those results are distinct in this area. But it seems a serious health problem that 53.2 percent of respondants were experienced the induced abortion for birth control.

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Heavy Metals in Paddy Rice and Soils in Mangyeong River Area (만경강(萬頃江) 유역(流域)의 토양(土壤) 및 수도체중(水稻體中) 중금속(重金屬) 함량(含量))

  • Kim, Seong-Jo;Ryang, Hwan-Seung
    • Korean Journal of Environmental Agriculture
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    • v.5 no.1
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    • pp.11-23
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    • 1986
  • Soils and rice plants in wastewater irrigated area of the Mangyeong River receiving waster from the Jeonju Industrial Complex and municipal sewage were sampled at two depths to assess the nature and content of Cd, Cu, Pb and Zn, particularly with respect to distance from wastewater source. For metal levels of soils in these area, no difference in the heavy metal contents between the surface and the subsurface soils was found. Total contents of Cu, Pb and Zn in soils were negatively correlated with distance from the source. A positive correlation was found between contents of total and 0.1N-HCl extractable or $1N-CH_3COONH_4$ extractable heavy metals in surface soils of these area. Total contents of heavy metals in soils were positively correlated with clay, soil organic matter and cation exchange capacity. Heavy metal contents of brown rice sampled at the Jeon-ju Industrial Complex area ranged from 0.15 to 0.91 ppm for Cd, from 1.13 to 5.68 ppm for Cu, from 0.22 to 7.16 ppm for Pb and from 11.74 to 38.66 ppm for Zn. Negative correlation was found between the contents of Cd, Cu, Pb, and Zn in the brown rice and the distance from the source. The contents of Cd, Cu and Zn in rice straw were positively correlated with those in the brown rice.

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Design and Development of Graphic User Interface for HDTV MPEG Module (HDTV 수신 모듈용 GUI 설계 및 구현)

  • Bong, Jong-Su;Lim, Hyun-Seok;Kim, Se-Young;Kim, Dae-Jin
    • The Journal of the Korea Contents Association
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    • v.9 no.4
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    • pp.72-80
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    • 2009
  • By the advent of an era of digital convergence, the user-friendly DTV graphic user interface (GUI) techniques become very important because of the explosive consumption of DTV receiving modules. This paper describes the design and implementation of GUI of menu-driven type for the operation of HDTV MPEG module. The designed GUI is convenient and user-friendly. Main menu is created by forming a new window and is located on the top area of the window in the structure of 1 by 3 matrix. Thus main menu, sub-manu, and lower-level menu can be displayed on a screen. The menu-driven DTV GUI was acomplished by using new styles and icons.

Disturbances of maxillofacial and dental development after cancer therapy: Case reports (항암치료 후 악골 및 치아의 발육 장애: 증례보고)

  • Kim, Hyo-Jung;Kim, Chong-Chul
    • The Journal of Korea Assosiation for Disability and Oral Health
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    • v.6 no.2
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    • pp.112-115
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    • 2010
  • Chemotherapy and radiotherapy proved conservative and effective in treating tumors. However, both the cancer therapies will also have aberrant effects on developing maxillofacial and dental organs of children. The purpose of this report is to describe the clinical cases of Disturbances of maxillofacial and dental development after Cancer therapy. The first case reported a 7-year-old female patient diagnosed at age 2 years with bilateral retinoblastoma, receiving chemotherapy and radiotherapy. She had agenesis of premolar, microdontia, short tapered teeth in lower anterior area and generalized root stunting. The second case presented a 12-year-old female patient treated with chemotherapy and radiotherapy for neuroblastoma in her early childhood. She presented with a class III malocclusion on a skeletal III base due to maxillary retrognathism. Contemporay oncology had improved survival of children with malignant disease. It will be needed prevention of these side effect after cancer therapy to improve the quality of life.

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Effect of Weight Loads Applied to the Ankle on Walking Factors of a Stroke Patient (발목에 적용한 무게 부하가 뇌졸중 환자의 보행요소에 미치는 영향)

  • Lee, Su-Kyoung
    • PNF and Movement
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    • v.16 no.2
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    • pp.179-185
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    • 2018
  • Purpose: This study aimed to analyze the visual and spatial elements of the gait of a stroke patient who had diverse ankle weight loads applied, according to weight changes. Methods: The subject was a 57-year-old stroke patient diagnosed and hospitalized with a left intracerebral hemorrhage. A weight equivalent to 0%, 1%, and 2% of his body weight was applied to the area 5cm upward from the ankle using a Velcro strap. He was then trained on a treadmill, receiving a six-minute walk test to evaluate his gait ability. A gait analyzer was used to collect visual and spatial elements, such as gait distance, gait velocity, cadence, step length, stride length, and swing phase, according to a weight load equivalent to 0%, 1%, and 2% of his body weight. Results: According to the results of applying 0%, 1%, and 2% of his body weight on the ankle, except for gait velocity, his gait distance, cadence, step length, stride length, and swing phase were higher when 1% of his body weight was applied compared to 0% or 2% of his body weight. Conclusion: Applying a weight equivalent to 1% of the body weight to the ankle positively affected the visual and spatial element of the gait and heightened the efficiency of exercise during treadmill training, a gait-training tool generally used for stroke patients. However, the result is difficult to generalize because the number of subjects was small with only one subject.

Application of a Decision Support System for Total Maximum Daily Loads (오염총량관리를 위한 의사결정 지원시스템 적용)

  • Lee, Hye-Young;Park, Seok-Soon
    • Journal of Korean Society on Water Environment
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    • v.20 no.2
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    • pp.151-156
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    • 2004
  • A decision support system, Watershed Analysis Risk Management Framework(WARMF), was applied to the Kyungan Stream watershed, a tributary of Lake Paldang, for calculation of total maximum daily loads(TMDL). The WARMF system was developed by Systech Engineering, USA, and has been successfully used in several watersheds, for TMDL studies. The study area was divided into 14 sub-basins, based on digital elevation model(DEM). The integrated watershed and stream model of WARMF was validated by flow and BOD data measured during the year of 1999. There were reasonable agreements between model results and field data, both in water flow and BOD. The validated Kyungan WARMF was extensively utilized to study the quantitative relationship between waste loads and receiving water quality. Based on TMDL guideline at Paldang Lake and Kyungan Stream, the water quality criterion were set to be 3.0mg/L, 3.5mg/L, and 4.0mg/L at the watershed outlet. The allowable waste loads of BOD, both from point and non-point sources, were determined at each water quality criterion. From this study, it was concluded that the WARMF provided several advantages over the conventional application of watershed and stream models for TMDL study, such as time variable simulations, multiple possible soutions, and reduction loads for goal water quality, etc.

Source-Receptor Relationships of Transboundary Air Pollutants in East Asia Region Simulated by On-Line Transport Model

  • Jang, Eun-Suk;Itsushi Uno
    • Environmental Sciences Bulletin of The Korean Environmental Sciences Society
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    • v.4 no.2
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    • pp.111-116
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    • 2000
  • Transboundary air pollution has recently become an area of increasing scientific interest and political concern as countries are receiving air pollutants from their neighbors. In order to gain a better understanding of the long-range transport processes of air pollutants and the source-receptor relationships among neighboring countries, an atmospheric transport model coupled with a RAMS(Regional Atmospheric Modeling System) model was applied to the East Asia region during the entire month of January 1993. The scalar transport option of the RAMS model was used to calculate special atmospheric constituents such as trace gases or aerosols. The sulfate production in clouds and rainwater and its removal processes by dry and wet deposition were considered. The sulfate budget from source regions to receptor regions was estimated by analysing the source-receptor relationships. When a specific receptor site revealed a sulfate value higher than the sulfate concentration based on its own source origin, this was taken to indicate long-range transport from another source region. The contribution ratio from various source region was calculated. The contribution ratio of dry and wet deposition was higher on the main continent of the East region. Furthermore, the high deposition amounts were identified on the west coast of Korea and the East China Sea.

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Design of User Certification Module of Home Gateway System based on OSGi (OSGi 기반 홈게이트웨이 시스템의 사용자 인증 모듈 설계)

  • Myung, Sun-Kyu;Kim, Gwang-Hyun
    • Convergence Security Journal
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    • v.10 no.2
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    • pp.27-35
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    • 2010
  • We implemented an application system which is able to verify visitor identification for remote bundle control based on OSGi and web camera control using embedded linux system. This system are designed open Oscar framework by porting java on the embedded linux system and implemented web camera system in local area networks. Also This system can verify information of visitor from receiving the data of RFID reader and designed the wireless internet system in home. Basically, in this paper we expect that home network system development and the period of application service development are reduced with integrated service provision based on OSGi.