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A Case of Eucoleus aerophilus Infection in Jeju Weasel (Mustela sibirica quelpartis)

  • Han, Jeong-Hee;Yoon, Young-Min;Yang, Hyoung-Seok;Kim, Jae-Hoon
    • Journal of Veterinary Clinics
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    • v.34 no.5
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    • pp.384-387
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    • 2017
  • A dead male Jeju weasel with clinical signs of severe dehydration and moribund was submitted for the necropsy. Grossly, purple-red ecchymoses were scattered in the surface of the entire lungs. Milky-white mucoid materials occupied in the left bronchial lumens. Histopathologically, an adult worm with thick cuticle layer surrounded by chronic inflammatory cells was embedded in the left caudal lung lobe. Numerous oval or barrel-shaped parasitic eggs with muco-purulent exudates were observed in the dilated bronchus of another section of left caudal lobe. Operculate parasitic eggs showed typical morphologic characteristics such as barrel shape with asymmetry bipolar plugs and thick bi-layered wall. Based on the histopathologic findings and morphological characteristics of parasitic eggs in the pulmonary tissue section, this case was diagnosed as verminous pneumonia associated Eucoleus aerophilus infection in Jeju weasel.

Frequency Analysis of Scientific Texts on the Hypoxia Using Bibliographic Data (논문 서지정보를 이용한 빈산소수괴 연구 분야의 연구용어 빈도분석)

  • Lee, GiSeop;Lee, JiYoung;Cho, HongYeon
    • Ocean and Polar Research
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    • v.41 no.2
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    • pp.107-120
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    • 2019
  • The frequency analysis of scientific terms using bibliographic information is a simple concept, but as relevant data become more widespread, manual analysis of all data is practically impossible or only possible to a very limited extent. In addition, as the scale of oceanographic research has expanded to become much more comprehensive and widespread, the allocation of research resources on various topics has become an important issue. In this study, the frequency analysis of scientific terms was performed using text mining. The data used in the analysis is a general-purpose scholarship database, totaling 2,878 articles. Hypoxia, which is an important issue in the marine environment, was selected as a research field and the frequencies of related words were analyzed. The most frequently used words were 'Organic matter', 'Bottom water', and 'Dead zone' and specific areas showed high frequency. The results of this research can be used as a basis for the allocation of research resources to the frequency of use of related terms in specific fields when planning a large research project represented by single word.

Mitochondrial DNA-based investigation of dead rorqual (Cetacea: Balaenopteridae) from the west coast of India

  • Shantanu Kundu;Manokaran Kamalakannan;Dhriti Banerjee;Flandrianto Sih Palimirmo;Arif Wibowo;Hyun-Woo Kim
    • Fisheries and Aquatic Sciences
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    • v.27 no.1
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    • pp.48-55
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    • 2024
  • The study assessed the utility of mitochondrial DNA for identifying a deceased rorqual discovered off the western coast of India. Both the COI and Cytb genes exhibited remarkable 99-100% similarity with the GenBank sequence of Balaenoptera musculus through a global BLAST search, confirming their affiliation with this species. Inter-species genetic distances for COI and Cytb genes ranged from 6.75% to 9.80% and 7.37% to 10.96% respectively, compared with other Balaenopteridae species. The Bayesian phylogenies constructed based on both COI and Cytb genes demonstrated clear and separate clustering for all Balaenopteridae species, further reaffirming their distinctiveness, while concurrently revealing a cohesive clustering pattern of the generated sequences within the B. musculus clade. Beyond species confirmation, this study provides valuable insights into the presence of live and deceased B. musculus individuals within Indian marine ecosystems. This information holds significant potential for guiding conservation efforts aimed at safeguarding Important Marine Mammal Areas (IMMAs) in India over the long term.

Adaptive Sensor/Heterogeneous Infrastructure Integrated Pedestrian Navigation Technology using Rényi Divergence-based Outlier Detection (Rényi Divergence 기반 이상치 검출을 통한 적응형 센서/이종 인프라 통합 보행자 항법 기술)

  • Jae Uk Kwon;Seong Yun Cho;JaeJun Yoo;SeongHun Seo
    • Journal of Positioning, Navigation, and Timing
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    • v.13 no.3
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    • pp.289-299
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    • 2024
  • In the Pedestrian Dead Reckoning (PDR)/Global Positioning System (GPS)/Wi-Fi-integrated navigation system for indoor/outdoor continuous positioning of pedestrians, the process of detecting outliers in measurements is very important. When accurate location information from measurements is used, reliable correction data can be generated during the fusion filtering process. However, abnormal measurements may occur in certain situations, such as indoor/outdoor transitions, which can degrade filter performance and lead to significant errors in the estimated position. To address this issue, this paper proposes a method for detecting outliers in measurements based on Rényi Divergence (RD). When the deviation of the RD value is large, the measurements are considered outliers, and positioning is performed using only pure PDR. Based on experiments conducted with real data, it was confirmed that outliers were effectively detected for abnormal measurements, leading to an improvement in the performance of pedestrian navigation.

Study of Design Standard Establishment of Vehicle Rotation Area in the Dead-end Parking Lot (막다른주차장내 차량회전구간 설계기준 정립에 관한 연구)

  • Lim, Jae-Moon;Oh, Se-Kyung;Kim, Hoe-Kyoung
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.15 no.12
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    • pp.7403-7415
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    • 2014
  • This study points out a problem that the vehicle rotation area provided in a dead-end parking lot for apartment blocks is misused as unreasonable parking places but accordingly, the edge parking spaces are rarely used for parking. Therefore, this study aims to establish a parking design standard to improve the parking convenience and land-use efficiency by investigating the real parking behaviors and problems identified in the study area, multiple apartment blocks in Haeundae-gu, Busan. This study calculated two simple linear regression models for two mutually exclusive factors, such as the parking convenience and land-use efficiency, respectively, and specified a trade-off point that optimizes both factors. The study results found that parking convenience and land-use efficiency can be improved by not only changing the misused vehicle rotation area to normal parking spaces depending on the usage pattern, but also by increasing the width of the edge parking spaces from 2.3m to 2.6m. Finally, this study suggests two parking design cases for more realistic design applications by considering the parking environment in the dead-end parking lot for apartment blocks.

Analysis of Nonlinear Behavior and Reliability of PSSC Composite Girder Bridge (PSSC 합성거더 교량의 비선형 거동 분석 및 신뢰도 해석)

  • Hwang, Chul-Sung;Paik, In-Yeol
    • Journal of the Korea institute for structural maintenance and inspection
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    • v.12 no.1
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    • pp.158-166
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    • 2008
  • Member force, strain and stress distribution of a section are obtained for prestressed steel and concrete(PSSC) composite bridge subjected to dead and live load in order to interpret the effect of prestressing and deformation of tendon. The stress and strain distribution and moment capacity are obtained for both noncomposite and composite section and for allowable stress limit state, yield limit state and strength limit state. Reliability analysis is conducted after assuming limit states for deflection, stress and flexural strength. Comparing that the reliability index for stress is near 0 for example section which is designed to satisfy the allowable stress exactly, the reliability indexes for deflection and flexural strength are high. Reliability of PSSC girder which is designed based on allowable stress of bridge design code is high for deflection and flexural strength.

The Design of long cantilever beam using post-tensioned tendons in Kumjung Stadium (포스트텐션을 이용한 장스팬 켄틸레버보의 설계)

  • 최동섭;김동환;김종수
    • Proceedings of the Korea Concrete Institute Conference
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    • 2002.10a
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    • pp.619-624
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    • 2002
  • A prestressed/precast concrete system was used to build the new Asian Olympic Stadium Project in Pusan, Korea. The stadium(mainly intended for cycle racing) is designed for the 2002 Asian Olympic Games and has a seating capacity of 20,000 spectators plus a few private suites. More than 1300 prestressed/precast components were used and they include single columns, primary beams, cantilever beams, double riser stands, and double tees. Especially, a total of 24 cantilever beams is used on the fourth story for the stands and double tees. These 8m long beams are post-tensioned to prevent cracking, to increase their durability and to serve serviceability by vibration. A cantilever section with cast-in-place topping is 800mm wide and 1500mm deep. Cantilever beams are connected to the column with the corbel by cast-in place concrete. Bonded post-tensioning tendons were assembled at the job site. Dead-end anchorages were installed in the end of cantilever beams and live-end anchorage is the opposite of them. This article presents the geometric layouts, design features and so on.

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Newspapers Are Dead? A Case Study on Chinese Newspapers' Public Opinion Guidance in the Context of New Media

  • Ting, Yang
    • Asian Journal for Public Opinion Research
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    • v.8 no.1
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    • pp.22-40
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    • 2020
  • With social media booming, newspapers are facing an enormous challenge, and some have even had to exit the market. Likewise, their role as a main force of public opinion guidance in China has also been challenged. They have lost their vantage ground. The present study conducted a case study on one well-known Chinese online public opinion event. Through analyzing the newspapers' role played in different public opinion development stages, this study displayed how Chinese newspapers worked together and successfully guided online public opinion in that case. The newspapers' advantages in guiding public opinion and suggestions as to how newspapers can survive and guide public opinion in the new media era are put forward in the final section.

Development of the Cryostat Vessel for KSTAR Tokamak (KSTAR 토카막용 저온용기 개발)

  • Her, Nam-Il;Kim, Byung-Chul;Hong, Kwen-Hi;Kim, Geun-Hong;Shin, Hoon;Park, Kyung-Ho;Park, Joo-Shik
    • Proceedings of the KSME Conference
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    • 2004.11a
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    • pp.545-550
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    • 2004
  • KSTAR cryostat is a 8.8 m diameter vacuum vessel that provides the necessary thermal barrier between the ambient temperature test cell and the supercritical helium cooled superconducting magnet providing the base pressure of 1 ${\times}$ $10^{-3}Pa$. The cryostat is a single walled vessel consisting of central cylindrical section and two end closures, a flat base structure with external reinforcements and a dome-shaped lid structure. The base structure has 8 equally spaced support legs anchored on the concrete base. The cryostat vessel design was executed to satisfy the performance and operation requirements. The major loads considered in the structural analysis were vacuum pressure, dead weight, electromagnetic load driven by plasma disruption, and seismic load. Based on the fabrication and inspection procedures for the vessel, cryostat vessel was fabricated and inspected. It was confirmed that the inspection results were acceptable.

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A Case of Fetal Mummification and Lithopedion from a Bitch with Prolonged Gestation over about One Month (장기임신 개에서 발생한 태아미이라변성 및 석아의 1례)

  • 김용준;박영재;오홍근;한종현;이창민;강미선
    • Journal of Veterinary Clinics
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    • v.17 no.1
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    • pp.238-242
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    • 2000
  • A six-year old bitch pregnant with prolonged gestation over about one month was ovariohysterectomied. The bitch was proved to be normal by physical and biochemical examination and had not a purulent vaginal discharge. A large firm mass was palpated in left caudoventral abdomen. Radiography identified the mass as a fetus. The abdominal ultrasono-graphy identified the fetus was dead. Caesarian section through the median raphe over linea alba was attempted. Adhensions were found between the uterus, stomach, spleen, urinary bladder, and abdominal viscera. Two fragments of bone were found in the abdominal cavity because of rupture of left uterine horn. Radiography and ultrasonography were proved to be of use to diagnose prolonged fetal mummification. Ovario-hysterectomy was considered to be choice of treatment to remove the prolonged mummified fetus.

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