INITIAL-VALUE PROBLEMS FOR LINEAR DISTRIBUTED-ORDER DIFFERENTIAL EQUATIONS IN BANACH SPACES


Experimental study on mesoscopic damage and fragmentation characteristics of hard rock under repeated particle impacts

Particle impact, a new drilling technology, has been applied in drilling and gas and oil exploitation.Also, it is considerably promising as an assisting rock-breaking method Eye Palette for the excavation of tunnels in extremely hard rocks.In this paper, an experimental study was conducted to investigate the effects of particle impact number, parti

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Diagnostic dilemma in a large choledochal cyst

Choledochal cysts are rare congenital anomalies that have a Cases variable presentation with occasional diagnostic and therapeutic dilemmas.Our case is a 14-year female presented with recurrent abdomen pain with confusing diagnostic findings, suggestive of a large choledochal cyst (22x29x17cm) initially managed by percutaneous tube biliary drainage

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