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김성식,S. W. Yoon,J. Y. Kim 한국물리학회 2010 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.56 No.4
Plasma transport in the scrape-off layer and the divertor region of the Korea Superconducting Tokamak Advanced Research (KSTAR) tokamak is studied with a two-dimensional fluid simulation code B2.5. Heat fluxes on the divertor are evaluated at various operation powers in KSTAR discharges. The effects of carbon impurities on the heat transport are investigated by changing the sputtering yield of carbon. The removal of divertor heat by impurities through dispersive loss mechanisms, such as radiation, charge exchange, and ionization, is discussed and analyzed.
김성식(KIM S. S.),최기범(CHOI K. B.),김진호(KIM J. H.) 대한전자공학회 1992 대한전자공학회 학술대회 Vol.1992 No.10
The objective of cell operation in CIM is to maximize system efficiency, not the cell itself. We introduce a cell operation scheme that pursues the direction. For specific cases, work center and AS/RS are closely investigated. Structures of their operation mechanism and methods of job scheduling are introduced along with an expert system developed for the scheme. The cell operation softwares developed are now under test at K. U. FMS, a model CIM plant.
症例(증례) : 간헐적으로 육안적 혈뇨를 동반한 Nutcracker Syndrome 1예
김성식 ( Sung Sik Kim ),임호영 ( Ho Young Yhim ),정수진 ( Su Jin Jeong ),이상연 ( Sang Youn Lee ),김성국 ( Sung Kuk Kim ),이가영 ( Ka Yeoung Yi ),이선화 ( Sun Hwa Lee ),유창우 ( Chang Woo Rheu ),강경표 ( Gyung Pyo Kang ),이식 ( S 전북대학교 의과학연구소 2004 全北醫大論文集 Vol.28 No.1
Nutcracker syndrome (renal vein entrapment syndrome) refers to compression of left renal vein between aorta and superior mesenteric artery that results in elevation of pressure in left renal vein and development of collateral veins. This syndrome occurs in relatively young and previously healthy patients and is characterized by intermittent gross hematuria due to left renal vein hypertension, at times associated with flank pain, abdominal pain or varicocele. We report a 22 year ole male patient with this syndrome presented with intermittent gross hematuria, proteinuria for 2 months. Urinalysis revealed protein (3+), blood (++), and RBC (many/HPF). Excretory urography in resting state and cystoscopy showed no remarkable finding. Renal venography showed the pressure gradient between left renal vein and inferior vena cava was 6 mmHg. The nutcracker syndrome should be considered as one of the causes of nonglomerular hematuria. All patients with unexplained severe left flank or abdominal pain, or unilateral hematuria from the left on cytoscopy, should be studied by selective renal venography and pressure measurement in inferior vena cava and renal veins. The paitent with this nutcracker syndrome could be treated with conservative treatment.