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전영은 ( Young Eun Jeon ),윤명근 ( Myoung Kun Yoon ),김성주 ( Sung Joo Kim ),장봉림 ( Pong Rheem Jang ),강정배 ( Jung Bae Kang ),박영한 ( Young Han Park1 ),임채춘 ( Chae Chun Rhim ),민수기 ( Soo Kee Min ) 대한주산의학회 2006 Perinatology Vol.17 No.1
Uterine arteriovenous malformations are very rare but potentially life threatening lesions. These lesions may be congenital or acquired, but especially occur in patients with a history of curettage, abortion or pregnancy. Color doppler ultrasonography is the preferred method of diagnosing of arteriovenous malformations. In many cases, hysterectomies are performed. But if patients want pregnancies, embolization therapy and conservative treatment are effective therapy. We have experienced a clinical case of uterine arteriovenous malformation, which is presented with a brief review of literature.
Sang-Eun Lee,Man-Il Kim,Jae-Hyeon Park,Chang-Kun Park,강미아,정교철 한국지질과학협의회 2006 Geosciences Journal Vol.10 No.4
Understanding the damage mechanism in materialsis one of the very important subjects in the science and engineer-ing field. The microstructural change, microcracking, which causesmaterial strength deterioration, is usually termed as damage. Wegrained granite specimen under uniaxial compressive stress to bet-ter understand the fundamental problems of the true damage pro-cess at a micro to macro scale. With the use of an experimentalsystem, the continuous observation of the damage process alsoenabled us to clarify micro-damage in great detail. The results indi-cate that the mechanisms of micro-damage initiation in a granitespecimen under uniaxial compressive stres may be separated intotwo cases; the first in which two grains, such as quartz and feld-and the second in which a biotite grain inclined to the axial stressdirection is contained within a feldspar grain. The damage isstrongly localized for both cases and some shear zones are foundin the specimens.