• Title/Summary/Keyword: effusive

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A Case of Effusive-Constrictive Pericarditis in and Infant Treated by Pericardiectomy (영아에서 발생한 삼출성-긴축성 심낭염의 심낭절제술에 의한 치료)

  • 선기남;김석기;김민호
    • Journal of Chest Surgery
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    • v.32 no.10
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    • pp.935-938
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    • 1999
  • Effusive-constrictive pericarditis is a very rare disease in infants but has high motality rates when not treated. There were some reports of pericardial constriction associated with intrapericardial abscess that led to pericardiectomy. The patient was admitted due to fever, cyanosis, and abdominal distension. We treated the patient with antibiotics and pericardiostomy but the symtoms did not improved, therefore, pericardiectomy was perfomed immediately. The patient with effusive-constrictive pericarditis was immediately relief on the symptoms and the treatment was successful.

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Interpretion of Transition between Explosive and Effusive Eruptions from Microlite Textural Analyses in the Albong Lava Dome, Ulleung Island, Korea (울릉도 알봉 용암돔의 미정 조직분석으로부터 폭발성 및 분류성 분출 간의 전환 해석)

  • Hwang, Sang Koo;Kim, Ki Beom;Son, Young Woo;Hyeon, Hye Weon
    • Economic and Environmental Geology
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    • v.53 no.5
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    • pp.553-564
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    • 2020
  • Transition between explosive and effusive eruption in Ulleung Island is observed in the Nari Scoria Deposits and Albong Trachyandesite (lava dome) origined by dome-building eruption and may be related to factors such as magma influx, ascent rate and degassing. However, the interpretation of them has not been resolved yet because the interaction between these factors is not complex but also the resulting behaviour during eruption is unpredictable. This paper focuses on the explosive and effusive activity perceived during building the Albong lava dome in Nari caldera. Samples were collected along with time from the scoria deposits and lava dome, linked to eruption stage and style of activity. Textures of groundmass feldspar microlites from these samples are quantitatively analyzed, including measurements of areal number density, mean microlite size, crystal aspect ratio, groundmass crystallinity and crystal size. The microlite textures show that shallow pre- and syn-eruptive magmatic processes acted to govern the changing behaviour during the eruption. Transition between explosive and effusive eruption was driven by the dynamics of magma ascent in the conduit, with degassing and crystallisation acting via feedback mechanisms, resulting in a cycle of effusive and explosive eruption.

Analysis of the thermal fluid flow between the gas torch and the steel plate for the application of the line heating (선상 가열을 위한 가스 토치와 강판 사이의 열유동 해석)

  • Jong-Hun Woo;Jong-Gye Shin
    • Journal of the Society of Naval Architects of Korea
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    • v.39 no.2
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    • pp.52-60
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    • 2002
  • Line heating is a forming process which makes the curved surface with the residual strain created by applying heat source of high temperature to steel plate. in order to control the residual strain, it is necessary to understand not only conductive heat transfer between heat source and steel plate, but also temperature distribution of steel plate. In this paper we attempted to analyze is temperature distribution of steel plate by simplifying a line heating process to collision-effusive flux of high temperature and high velocity, and conductive heat transfer phenomenon. To analyze this, combustion in the torch is simplified to collision effusive phenomenon before analyzing turbulent heat flux. The distribution of temperature field between the torch and steel plate is computed through turbulent heat flux analysis, and the convective heat transfer coefficient between effusive flux and steel plate is calculated using approximate empirical Nusselt formula. The velocity of heat flux into steel plate is computed using the temperature distribution and convective heat transfer coefficient, and temperature field in the steel plate is obtained through conductive heat transfer analysis in which the traction is induced by velocity of heat flux. In this study, Finite Element Method is used to accomplish turbulent heat flux analysis and conductive heat transfer analysis. FEA results are compared with empirical data to verify results.

Volcanic Forms and Eruption Processes of Laoheishan and Huoshaoshan in the Wudalianchi Volcanics, NE China (중국 오대연지 라오헤이산과 후오샤오산의 화산 형태와 분출 과정)

  • Hwang S.K.;Jin X.;Ahn U.S.
    • The Journal of the Petrological Society of Korea
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    • v.14 no.4 s.42
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    • pp.251-263
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    • 2005
  • Modern volcanoes, Laoheishan and Huoshaoshan, have erupted during $1720\~1721$ in the Wudalianchi volcanic group, NE china. They comprise scoria and spatter cones that consist of potassium-rich phono-tephritic pyroclastic deposits and lavas, and include wide lava flow fields. The Laoheishan scoria cone is a polygenetic multiple volcano that overlaps earlier and later edifices with more complicated internal structures produced in greater scale and in earlier time than the Huoshaoshan. There is a funnel-shaped crater in the center of the later edifice of the Laoheishan scoria cone. The Huoshaoshan spatter cone is a monogenetic simple volcano with a central pit crater. The volcanic sequences indicate eruption processes that followed a repeated pattern that progressed through 5 stages of explosive and effusive eruption including lava fountains and Strombolian eruptions in the Laoheishan, and a recognizable pattern of 2 stages that started with Strombolian eruption and progressed through lava effusion in the Huoshaoshan.

Intrapericardial Tuberculous Abscess Invading Myocardium - A Case Report - (심근내로 파급된 심낭내 결핵성 농양 수술 치험 1례)

  • 김현경
    • Journal of Chest Surgery
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    • v.25 no.11
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    • pp.1245-1249
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    • 1992
  • Tuberculosis developed in the pericardium usually occurs as diffuse constrictive pericarditis or effusive pericarditis which contains much pericardial effusion. But types such as localized abscess or tuberculoma are very rare. Myocardial tuberculosis is also very rare and mainly extended directly from hilar lymph node or spreaded hematogenously in miliary tuberculosis. It is known to be able to make arrhythmia or heart failure by invasion of conduction system or myocardial muscle mass, but it is usually discovered by incidental postmortem autopsy and rarely concerned by clinical basis. Recently we have experienced a case of localized intrapericardial tuberculous abscess which extended to myocardium and operated that successfully. So we would report them with reference study.

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A Case of Feline Infectious Peritonitis with Intestinal Manifestation in a Cat (고양이에서 장 병변을 가진 고양이 전염성 복막염 감염 증례)

  • Oh, Hyun-Jung;Sohn, Jung-Min;Jung, Sun-Young;Kim, Bo-Eun;Ji, Seo-Yeoun;Jung, Joo-Hyun;Kim, Dae-Yong;Youn, Hwa-Young;Yoon, Junghee;Choi, Min-Cheol
    • Journal of Veterinary Clinics
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    • v.31 no.5
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    • pp.449-453
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    • 2014
  • A 2-year-old, intact male, Persian exotic cat, weighing 2 kg with a history of a palpated abdominal mass was admitted to Veterinary Medical Teaching Hospital, Seoul National University. On routine complete blood count (CBC) and serum biochemical analyses, there were anemia and 0.45 of albumin to globulin ratio. A feline infectious peritonitis (FIP) virus antibody test kit was negative. Radiography, ultrasonography and computed tomography (CT) were performed. A markedly enlarged abdominal mass was found. On cytologic examination of this mass, it was diagnosed as alimentary lymphoma or pyogranulomatous inflammation. Chemotherapeutic treatment for intestinal lymphoma was provided for several weeks, but the mass size was increased and clinical signs were not improved. The cat died six days after discontinuing chemotherapy. On postmortem examination, the definitive diagnosis was FIP. This case describes a cat with FIP in which an abdominal tumor had been suspected clinically.

Geochemical Characteristics of the Sub-alkaline Basalt in the Udo Island, Jeju (제주도 우도 화산섬의 서브알칼리 현무암의 지화학적 특징에 대하여)

  • Lee, Jin-Soo
    • Economic and Environmental Geology
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    • v.47 no.6
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    • pp.601-610
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    • 2014
  • Udo is the site of a short-lived monogenetic submarine volcanic vent which builts basaltic clastic deposits below sea level, by early Surtseyan-type explosive eruption and later effusive lava eruptions. Mineral assemblage, major and trace element chemistry indicate that the Someori sub-alkaline lava flows were related to the WPTB(within plate tholeiitic basalt) rather than IAT(island-arc tholeiite) and that the geotectonic regime of Korean Peninsula went away from the subduction zone after the Later Miocene.

Pleuropneumonia in a Cat with Feline Infectious Peritonitis (고양이 전염성 복막염에 의한 흉막폐렴 1례)

  • Park, Seungjo;Bae, Yeonho;Choi, Jihye
    • Journal of Veterinary Clinics
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    • v.32 no.5
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    • pp.454-458
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    • 2015
  • This report describes the diagnostic radiographic and CT features of pleuropneumonia in a cat with wet type of feline infectious peritonitis (FIP). In a 1 year-old cat presented with respiratory distress, pulmonary mass, thickened pleural wall with mass-like structures, and a large amount of pleural effusion were identified on radiography, ultrasonography, and CT. About two months later, in addition to the pre-existing lesions, multiple nodules had developed on the intestine and left kidney. The cat was diagnosed with pleuropneumonia caused by FIP through histologic examination and immunohistochemistry. Pleuropneumonia is rarely reported in cats with FIP, and only one cat with non-effusive FIP had pyogranulomatous pneumonia as consolidated lung lobe. In the present case, pleuropneumonia was detected as multiple mass-like lesions on diagnostic imaging.

Eruptive Phases and Volcanic Processes of the Guamsan Caldera, Southeastern Cheongsong, Korea (구암산 칼데라의 분출상과 화산과정)

  • ;;;A.J. Reedman
    • The Journal of the Petrological Society of Korea
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    • v.11 no.2
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    • pp.74-89
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    • 2002
  • Rock units, relating with the Guamsan caldera, are composed of Guamsan Tuff and rhyolitic intrusions. The Guamsan Tuff consists almost entirely of ash-flow tuffs with some volcanic breccias and fallout tuffs. The volcanic breccia comprises block and ash-flow breccias of near-vent facies and caldera-collapse breccia near the ring fracture. The lower ash-flow tuffs are of an expanded pyroclastic flow phase from the pyroclastic flow-forming eruption with an ash-cloud fall phase of the fallout tuffs on the flow units, but the upper ones are of a non-expanded ash-flow phase from the boiling-over eruption. The rhyolitic intrusions are divided into intracaldera intrusions and ring dikes that are subdivided into inner, intermediate and outer dikes. We compile the volcanic processes along a single cycle of cadela development from the eruptive phases in the Guamsan area. The explosive eruptions began with block and ash-flow phases from collapse of glowing lava dome caused by Pelean eruption, progressed through expanded pyroclastic flow phases and ash-cloud fallout phases during high column collapse of pyroclastic flow-forming eruption from a single central vent. This was followed by non-expanded ash-flow phases due to boiling-over eruption from multiple ring fissure vents. The caldera collapse induced the translation into ring-fissure vents from a single central vent in the earlier eruption. After the boiling-over eruption, there followed an effusive phase in which rhyolitic magma was injected and erupted to be progressively emplaced as small plugs/dikes and ring dikes with many lava domes on the surface. Finally rhyodacitic magma was on emplaced as a series of dikes along the junction of both outer and intermediate dikes on the southwestern side of the caldela.

Iron, Manganese and Cadmium Contents of Sphalerites and their Genetical Implications to Hydrothermal Metallic Ore Deposits in Korea (국내산(國內産) 섬아연석(閃亞鉛石)의 Fe, Mn, Cd함량변화(含量變化)와 열수금속광상(熱水金屬鑛床) 성인(成因)과의 관련성(關聯性))

  • Chon, Hyo Taek;Shimazaki, Hidehiko
    • Economic and Environmental Geology
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    • v.19 no.spc
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    • pp.139-149
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    • 1986
  • Compositional variation of sphalerites from various hydrothermal metallic ore deposits in Korea were investigated in mine and local, and regional scale. The sphalerites were partially analyzed for iron, manganese, and cadmium by using an electron probe microanalyzer(EPMA). The contents of iron and cadmium in sphalerites collected from the Weolam deposit of the No.1 Yeonhwa mine are not variable with increase of depth, but manganese content is highly variable. Sphalerites from lead-zinc deposits which are geologically associated with hypabyssal and effusive activity are characterized by high manganese (more than 1.0 MnS mole %) and low cadmium contents (less than 0.5 CdS mole %). Relatively manganese rich sphalerites are found in the deposits where sphalerites are enriched in iron content. Variation of cadmium content is very limited compared with that of manganese content. Sphalerites from most tungsten and some gold-silver deposits are remarkably high in cadmium content, but most of base metal and iron deposits are low in cadmium content. Cadmium content in sphalerites which occur in the metallic ore deposits genetically associated with plutonic activity shows a tendency to high variation. Available amounts of cadmium in sphalerites could be originated from the initial enrichment during the magmatic and postmagmatic processes.

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