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김영석,남궁석 한국공작기계학회 1995 한국생산제조학회지 Vol.4 No.3
It is very important to test motion accuracy and performance of NC machine tools as they affect that of all other machines machined by them in industry. In this paper, it has become possible to detect errors of linear displacement of radial direction for circular motion test using newly assembled magnetic type of linear scales so called Magnescale ball bar system, and to calculate time interval getting error motion data and revolution angle of circular motion in machining center using tick pulses come out from computer. And a set of error data gotten from test is expressed to a plot by computer treatment and to numerics of error motion by statistical treatment and results of test are compared with those of Renishaw ball bar system.
비장 종대 및 범혈구 감소증을 동반한 간외 문맥류 1 예
송영식,이혜경,원종호,박희숙,윤석구,홍대식,허경열,이현아,남궁은경 대한내과학회 1996 대한내과학회지 Vol.51 No.5
Aneurysm of the portal vein is a rare entity. Portal vein aneurysms are lesions whose etiology, clinical features, and management are not well understood. Recently we experienced a case of portal vein aneurysm which was diagnosed by ultrasonography, abdominal computed tomography and angiography. A 26-year-old woman was admitted because of palpable mass on left upper quadrant abdomen and general weakness. Physical examination revealed remarkable splenomegaly. Laboratory date yieled the following results: WBC 2,000/㎣, Hb 8.7g/dl; Hct 22.5%; platelet 32,000/㎣, PT 57%; HBs Ag(+); HBs Ab(-); HBc Ab IgG(-); HCV Ab(-). Two D and coronal view of three D abdominal computed tomography demonstrated well defined circumscribed, oval and enhancing mass in the portal vein and enhancing mass that contained thrombosis in the splenic vein. Arterial portography via splenic artery showed fusiform portal vein aneurysm and splenie vein aneurysm containing thrombosis. She has achieved clinical improvement after splenectomy.
加味鷄血藤湯이 Glutamate receptor와 Free radical 및 뇌손상 보호에 미치는 영향
안종석,김동희,김윤식,이용구,박종오,남궁욱,설인찬 대한동의병리학회 2003 동의생리병리학회지 Vol.17 No.3
This study was investigated to prove the effect of GMGHT on the gultamate receptor, free radical and brain damage in rats sujected to Brain Ischemia The results were as follows ; 1. GMGHT showed significant inhibitory effect of GMGHT on LDH release induced by NMDA, AMPA, and kinate. 2. GMGHT showed significant inhibitory effect of GMGHT on LDH release induced by BSO and Fe^2+. 3. GMGHT decreased coma duration time in a infatal dose of KCN and showed 30% of survival rate in a fatal dose. 4. GMGHT decreased ischemic area and edema incited by the MCA blood flow block. 5. GMGHT showed improvement of forelimb test after MCA occulusion in neurological exemination. 6. GMGHT showed no significant change after MCA occulusion in pathological observation as normal group. These results indicate that GMGHT can be used in the brain damage sujected to Brain Ischemia. Further study will be needed about the functional mechanism and etc.