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    • 肝吸蟲咸梁家兎에 있어서의 肝臟 및 他臟器의 病理組織學的變化에 關한 實驗的硏究

      姜泰雄 서울대학교 1963 서울대학교 論文集 Vol.14 No.-

      Histologic changes of the liver in clonorchiasis was investigated by autopsy in human cases. Development of cirrhotic changes of the liver in case of the heavy infestation of clonorchis sinensis was pointed, but almost none of the papers investigated the correlation of number of the worms and duration of infestation with development of cirrhosis could be seen in literatures. The present study was undertaken to investigate the influence of number of worms and duration of infestation upon the histopathologic changes of the liver and the other organs in chonorchiasis experimentally. In this experiment 91 rabbits with average body weight of two kg. were chosen and they were divided into 3 groups. And they were subdivided into 7 groups i group Ⅰ, 6 groups in group Ⅱ and 2 groups in group Ⅲ. All groups received the standard diet composing of 200gm. of bean curd refuse, 50 gm, of wheat flour daily and 50gm. of vegetables twice weekly. Group A received standard diet only and served as control. Group B was infested 50 metacercaria of clonorchis sinensis by mouth, group C 200 metacercaria, group D 500 metacercaria, group E 1,ooo metacercaria, group F 1,500 metacercaria and Group G 2,000 metacercaria. The rabbits of group Ⅲ were injected 0.1 c.c. of carbon tetrachloirde twice weekly for 15 weeks subcutaneously to induce hepatocellular damage, then all rabbits of group Ⅲ were biopsied for the liver surgically stopping the injection to compare the histopathologic changes of the liver to those of the liver in rabbits which were died after 1 month of infesting 1,000 metacercaria of clonorchis sinensis(group c.c.c) and sacrificed after 1 month cessation of the injection (group c.c.). Seven rabbits of all the groups except group G sacrificed 1 month later to compare the changes of the liver with those of group G which were died after 1 month of infesting 2,000 metacercaria of clonorchis sinensis, and after 5 months of infesting all the remained experimental animals were sacrificed to study histoparthologic changes of the liver and the other organs. The number of adult worms of clonorchis sinensis were counted by squeezing the liver after cutting in small sizes. The results of the experiment are summarized as follows: 1. The body weights were decreased in the groups infested 500, 1,00, 1,500 and 2,000 metacercaria of clonorchis sinensis, and signfantly decreased in the heavy infested groups. 2. The infectivity was higher in the short infested group (group Ⅰ,91.3%) than long infested group (group Ⅱ,86.5%), and lowest in the group induced hepatocellular damage(83.6%). 3. The enlargement and macroscopic findings of the liver such as brown in color, firm in consistency, increased vascular marking and nodular surface with thickened bile ducts were markedly changed in the groups infested over 500 metacercaria of clonorchis sinensis, and this findings were closely correlated with the number of the worms and duration of infestation. The early cirrhotic findings of the liver accompanied with bile duct proliferation histologically were observed in the groups infested 1,000 and 1,500 metacercaria after 1 month, and the advanced cirrhotic changes causing ascites were observed in the group which were infested 2,000 metacercaria and lived for 1 month. And also the advanced cirrhotic findings of the liver causing ascites were observed in the groups infested 1,000 and 1,500 metacercaria after 5 months. In rabbits induced hepatocellular damage by long term administration of small dose of carbon tetrachloride, cessation of injection with infestation of 1,000 metacercaria of clonorchis sinensis for 1 month caused marked cirrhotic changes with ductal proliferation histologically to those of group infested 1,000 metacercaria and lived for 1 month, while the damaged hepatic cells were restored without affecting by infestation of clonorchis sinensis. 4. The enlargement of the spleen was proportioned with that of the liver, and congestive splenomegalic findings histologically were observed in the heavy infested rabbits. 5. Tubular degeneration, interstitial and glomerular congestion and edema in the kidney, congestion and edema in the heart, lung and brain, fatty infiltration in the adrenal gland and depression of myelocytic and erythrocytic series in the bone marrow were observed, but this findings were not so remarkable one.

    • KCI등재SCOPUS

      근접장에서 가상 합성 배열을 이용한 수중 이동체의 토널 소음 측정 방법

      강태웅,이근혁,김기만,한민수,최재용,Kang, Tae-Woong,Lee, Guen-Hyeok,Kim, Ki-Man,Han, Min-Su,Choi, Jae-Yong 한국음향학회 2018 한국음향학회지 Vol.37 No.6

      A receiving array system can be applied for tonal noise analysis of underwater vehicles, but it is difficult to install and operate, and a lot of cost is required. In order to overcome this problem, this paper proposes a method to measure the tonal noise of underwater vehicle after synthesizing a virtual array using single receiver. The proposed method compensates the Doppler frequency and time delay caused by the movement of the underwater sound source and applies the focused beamforming technique. The performance of the proposed method was analyzed via simulation.

    • KCI등재후보

      원폭영화와‘피해자’로서의 일본

      강태웅 동북아역사재단 2009 東北亞歷史論叢 Vol.- No.24

      히로시마와 나가사키에 투하된 원폭은 일본에서는 전쟁 전체를 대표할 만큼 그 상징적 의미가 크다. 일본이 가해자가 아닌 ‘피해자’로서 이야기될 때 가장 큰 근거가 되는 사건이기 때문이다. 본고는 전후 일본에서 만들어진 원폭영화 속에서 원폭이 역사적 사건이라는 인식이 결여되어 있고, 이를 통해 일본의 피해자인식이 강화되어져 가는 프로세스를 살펴봄으로써 거기에 깔려있는 ‘피해자’적 의식구조을 분석해내는 것을 목적으로 한다. 즉 원폭만을 강조한 나머지 원폭이 여타 다양한 전쟁의 기억, 주로 가해적이고 침략적인 기억을 생략시키게 하고 전쟁에 대한 기억을 단일화시켜, 내셔널적인 기억으로 수렴되게 하는 과정, 다르게 말하면 ‘유일한 피폭국’이라는 인식을 기반으로 하는 ‘피폭 내셔널리즘(被爆ナショナリズム)’이 어떻게 표현되고 구성되는가를 고찰하였다 『저녁뜸의 거리 벚꽃의 나라』는 만화를 원작으로 하여 영화화된 작품으로서, 최근 일본의 원폭에 대한 인식을 가장 잘 알 수 있는 작품이다. 본고는 이 작품을 중심텍스트로 하여 전후 계속해서 만들어진 원폭영화들을 시야에 두면서 분석을 해나갔다. 『저녁뜸의 거리 벚꽃의 나라』는 피폭이 세대를 넘어선 문제이고 피폭자에 대한 차별이 계속되고 있다는 점을 새롭게 지적하고 있다. 하지만 거기에 사용된 내러티브에 대한 반성은 없이 기존의 것을 답습함으로써 ‘피폭 내셔널리즘’으로 수렴되는 경향을 보이고 있다. 원폭과 전쟁에는 주체와 타자가 분명히 존재함에도 일본은 타자, 역사가 부재한 내러티브를 계속해서 소비하고 있는 것이다. Japan’s ‘unique’experience of Hiroshima and Nagasaki made the Japanese war ‘victimhood’. This research analyzes recent popular atomic bomb films to demonstrate how basic themes of war‘ victimhood’are reflected and reinforced. In those films the atomic bombings are depicted having little historical connection with the World War Ⅱ. That could conceal the Japanese aspect of victimizer in that war and stress the aspect of‘ victim’. Yunagi no Machi, Sakura no Kuni provides the ideal example of atomic-bomb film genre in which Japanese civilians are innocent victims of the anonymous forces of war. This work will show Yunagi and recent atomic-bomb films use the narratives lacking the notion of historical liaison and the Japanese want to consume that sort of narratives backing hibaku nationalism or atomic bombed nationalism.

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