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      • South Korean Responses to the EU’s Multiple Challenges: How they Perceive and Respond to these Crises?

        ( Sae Won Chung ) 한국EU학회 2023 Asia-Pacific Journal of EU Studies Vol.21 No.1

        The EU and South Korea have rapidly developed bilateral relations after their strategic partnership in 2010. This connection invited South Korea’s responses to these EU crises. This paper explores how South Korea responded to the six major EU crises―Eurozone, Refugee, Internal Threat (Populism), Brexit, COVID-19 and Regional Security (War in Ukraine). This paper reviewed various governmental and private think tanks’ reports to study South Korea’s responses to the EU crises. South Korea perceives the EU’s crisis as impactful issues but not with significant influences. South Korea responds to these crises for learning from others’ courses of action. Eventually, this paper urges South Korea and the EU should draw win-win situations in order to develop more constructive bilateral relations.

      • 개에서 발생한 기관 허탈의 진단과 관리

        이새미,윤기영,서경원,최호정,정성목,송근호,조종기,박성준 忠南大學校 獸醫科大學 附設 動物醫科學硏究所 2012 動物醫科學硏究誌 Vol.19 No.1

        A 11-year-old Yorkshire terrier anesthetized for computed tomography. The dog showed cyanosis and syncope during postanesthetic recovery, therefore drug administrated parenterally. Goose-honking was noticed after full recovery. As a result of survey radiography and fluoroscopy, grade 4 tracheal collapse was diagnosed. Prescription for the dog was oral administration of hydrocodone 0.22 mg/kg. theophylline 20 mg/kg, prednisone 0.5 mg/kg, amoxicillin 22 mg/kg and chlorpheniramine 2 mg/kg twice a day for 3 days. A 10-year-old Pomeranian was diagnosed as grade 2 traceal collapse at the local animal hospital 2 years before being referred to the veterinary teaching hospital of Chungnam National University. On physical examination, goose-honking, coughing and intermittent open-mouth breathing. Tracheal narrowing was observed on survey einradiography and fluoroscopy. Oral administration of theophylline 13 mg/kg, enrofloxacin 5 mg/kg, chlropheniramine 0.5 mg/kg twice a day was prescribed for 2 weeks.

      • 계장화충격시험에 의한 복합조직강의 파괴인성에 관한 연구

        오세욱,유재환,박원조,이경봉 동아대학교 공과대학 부설 한국자원개발연구소 1989 硏究報告 Vol.13 No.1

        The dynamic fracture toughness (K_(Id)) is measured using the precracked standard Charpy specimen with an instrumented impact machine. The value of K_(Id) is determined as a function of yield strength and microstructure, and correlations are established between K_(Id) and both energy of initial fracture and total energy of fracture. Since the K_(Id) values of the precracted impact specimens are in accordance with their theoretical ones, this test method is sufficiently practical.

      • SB41鋼 潛弧熔接部의 平滑 및 側面홈에 관한 疲勞크랙 傳播特性 : 大氣雰圍氣下에서의 擧動 at Room Temperature in Air

        吳世旭,金在喆,李祥源 동아대학교 공과대학 부설 한국자원개발연구소 1986 硏究報告 Vol.10 No.2

        Fatigue test was conducted on the smooth and side-grooved specimens fabricated from submerged are welded plate of SB41 steel. Test conditions were constant-loan-amplitude fatigue crack growth test with stress ratio 0.1, loading frequency 5㎐, sinusoidal waveform at room temperature in air. The results are summarized as follows: 1) Fatigue crack growth rate of weld metal is slightly lower than that of base metal. 2) Due to the effect of plastic constraint, side-grooved specimen shows somewhat faster fatigue crack growth rate than smooth specimen. 3) Welding residual stress affects fatigue crack growth rate.

      • 충남대학교병원 마취발전의 경향에 관한 분석 : 1967년부터 - 1996년까지 from 1967 to 1996

        최세진,김상수,정규돈,윤석화,신용섭,손수창,이원형,김혜자,이정은 충남대학교 의과대학 지역사회의학연구소 1998 충남의대잡지 Vol.25 No.2

        To evaluate the specificity and historical trends of the anesthesia in Chungnam National University Hospital, anesthetic experiences of 83,572 in total performed at Chungnam National University Hospital from January 1967 to December 1996 were analyzed statistically and clinically according to age, sex, surgical department, physical status, elective and emergency surgery, premedicants, IV anesthetics, anesthetic methods, inhalational anesthetics, muscle relaxants. The results were as follows : 1. The number of cases has been steadily increased year by year. 2. The ratio of male to female was 52.8% : 47.2%. 3. According to the age, There were 44,905 cases (54%) in the group of 13-45 years. 4. According to the ASA classification of physical status, most of the cases were belonged to the class 1 & 2 (72.5%). 5. The ratio of elective to emergency was 79.4% to 20.6%. 6. Recently, glycopyrrolate has been used increasingly. 7. Thiopental sodium has been mainly used for intravenous induction agent. 8. General anesthesia has been used mainly. 9. Enflurane is the most common inhalational anesthetic agent. but Isoflurane has been used increasingly. 10. Most of muscle relaxants are Pancuronium & Vecuronium(84.5%).

      • 數種의 熱處理方法이 Elgiloy矯正用 線材의 腐蝕에 미치는 影響

        張世敬,權五源,成在鉉 慶北大學校 齒科大學 1987 慶北齒大論文集 Vol.4 No.1

        The purpose of this study was to evaluate the effect of heat treatment on corrosion properties in .016 "Green Elgiloy wire. To evaluate the corrosion resistance of Elgiloy wire, electrochemical tests such as potential and polarization measurement were used widely. In this experiment, the corrosion currents were measured using electronic potentiostat and all of the heated specimen were heat-treated by direct flame, electric welder and dental furnace. These specimens were immersed in 1% sodium chloride solution at 37℃, and currents of each specimen were measured for 24 hours at 0.0 volt(SCE) The results were as follows: Heat-treated specimens showed higher corrosion susceptibility than non heat-treated specimens. Heat-treated specimens by direct flame seemed to be higher corrosion susceptibility than those by electric welder, dental furnace. Heat-treated specimens by direct flame showed higher current density and lower corrosion potentials in respect to heattreated specimens by electric welder, dental furnace. Corrosion surface of heat-treated specimens showed pits and scratches by observation of scanntng electron microscope.

      • 烏貝散이 HCI-aspirin 으로 유발된 십이지장궤양에 미치는 조직학적 영향

        구세광,이형식,김종대,한상원,김상찬,이재현 慶山大學校 基礎科學硏究所 1999 基礎科學 Vol.3 No.-

        오패산이 HCI-aspirin tm으로 유발된 rat 십이지장궤양에 미치는 조직학적 영향을 관찰하기 위하여, 오패산을 1,3 및 5일 동안 경구투여하고 십이지장의 조직학적 변화를 관찰하였던 바 다음과 같은 결과를 얻었다. 실험 전 기간동안 대조군에서는 십이지장 융모의 위축과 붕괴가 관찰되었으며, 조직학적으로는 점막상피의 변성 및 탈락이 관찰되었고 점막고유층에서는 염증세포의 침윤(infilteration)의 소견이 관찰된 반면 오패산 투여군의 투여 1일에서는 대조군과 유사하게 관찰되었으나, 투여 3일후부터 점막상피의 첨부에서 경미한 카타르성 물질이 관찰된 이외에 정상군과 유사한 소견을 나타내었다. 이상에서 오패산이 십이지장궤양의 치유를 촉진시키는 것으로 관찰되었다. In order to study, the histological effects of Opeaesan on the duodenal ulcer induced by HCI-aspirin tm in rate, experiments were done by oral administration and observed histological profiles of the ulcerative lesions. Ulcerative lesions were unmerously detected in control groups especially in pylorus-duodenal junctions. Histologically, very severe injury to duodenal epithelium wer observed in control groups and these injuries were increased with time intervals. But in the Opaesan-administration groups, no gross lesion of ulcer were demonstrated and histologically minor injury to the mucosal epithelium were observed. Among the Opaesan treatment groups, most slight injuries to duodenal mucosa were detected in 5 days after administration when the histological profiles were similar to that of normal groups. According to these result, it is suggested that Opaesan should be used in treatment of the duodenal ulcer but the funcitonal mechanisms were unknown.

      • Seasonal Fluctuation and Vertical Microdistribution of Drosophilid Flies Dwelling in the Broad-leaved Forests on Cheju-do(Quelpart Island)

        김원택,김승범,정세호,강효식 濟州大學校 師範大學 科學敎育硏究所 1995 科學敎育 Vol.12 No.1

        Community organization of the drosophilid flies was investigated with respect to the seasonal variation in species abundance and vertical microdistribution on the basis of the trapped collections in the two natural forests on Cheju-do from May to October 1994. The dominant species were Drosophila bizonata. D. curviceps. D. lutescens. D. angularis. D. pengi. and D. immigrans in the annual collections. The pattern in seasonal changes of the dominant species was similar at the two survey sites. Seasonal fluctuation in the species diversity was more affected by evenness than by species richness (number of species). The seasonal variation of abundance showed an unimodal pattern in all of the dominant species. The seasonal patterns of vertical microdistribution revealed difference in some of the dominant species between the two survey sites. These results suggest that the predominant species in the forest avoid niche overlap by means of seasonal separation of breedings and that the vertical microdistribution is strongly affected by factors associated with season and vertical site in the deep wooded forests.

      • 한라산의 곤충상(나비목 제외) : I .관음사 등산코스 일대

        정세호,김원택 제주대학교 환경연구소 2000 환경연구논문집 : 제주대 Vol.8 No.-

        Insect fauna of Mt. Hallasan was investigated along the climbing course of Kwanum Temple. Total of 400 species belong to the 103 families, 14 orders was identified and enumerated. Among them, five species, Menida violacea of Pentatomidae (Hemiptera), Episcuphu gorhamj of Erotylidae, Circopes suturulis of Nitidulidae, Chrysunthia integricollis of Oedemeridae, and Noturis oryzae of Curculionidae (Coleoptera) were new to the Jeju fauna. The composition of species number of each order was comparative to that of Jeju Island. These results may reflect that the natural environment of Kwaneum Temple area is relatively specific on this island and well conserved.

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