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양은익 ( Yang Eun Ik ),신정호 ( Shin Jung Ho ),최윤석 ( Choi Yoon Suk ),이정완 ( Lee Jeong Wan ),이수현 ( Lee Su Hyun ) 한국구조물진단유지관리공학회 2010 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.14 No.1
Recently, many researches are conducted on high-performance concrete with high-strength and high-fluidity. However, autogeneous shrinkage is increasing significantly in high performance concrete, which subsequently is likely to the potential of cracks. In this study, autogenous shrinkage with concrete strength and curing condition was measured and compared with representative model code. As a result, autogenous shrinkage was reduced as water-cementitious material ratio increase, and autogenous shrinkage was significantly reduced by wet curing.
신정우 ( Jung U Shin ),이수현 ( Su Hyun Lee ),노미령 ( Mi Ryung Roh ),정기양 ( Kee Yang Chung ) 대한피부과학회 2010 대한피부과학회지 Vol.48 No.7
Superficial acral fibromyxoma (SAF) is an uncommon soft tissue tumor that has recently been showed to be a separate disease entity. It is most often located in the ungal region of the fingers and toes of middle-aged adults. It is histologically characterized by a slight to moderate cellular proliferation of spindle cells and stellate cells arranged in a random, storiform or fascicular pattern, within a myxoid, myxocollagenous or collagenous stroma with a prominent vasculature. The neoplastic cells show positive staining for CD34, CD99 and EMA, but negative staining for S100, HMB45, cytokeratin, smooth muscle actin (SMA) and desmin. We report here on a typical case of SAF that occurred on the left index finger of a 44-year-old man. (Korean J Dermatol 2010;48(7):582∼585)