A 52 year-old male presented with neck pain after undergoing thyroidectomy for a goiter three weeks prior which was complicated by a neck hematoma requiring evacuation.Computed tomography (CT) scan showed a neck hematoma requiring evacuation and he received desmopressin with cessation of bleeding.Coagulation studies were normal.He returned eighteen
The underexpanded sonic jet issued from an axisymmetric convergent nozzle are experimentally investigated in which the nozzle is operated at a pressure ratio of 4.0 to produce a Mach disk in the jet plume.Multidirectional rainbow schlieren pictures of the jet Ben Wa Balls acquired by rotating the nozzle about its longitudinal axis in equal angular
Wrap-around packaging is widely used in logistics and transportation packaging.The development of a self-propelled winding and packaging robot can significantly push up the technological progress of the industry, and the key to the development of this robot is the design of the packaging film PTC Start Relay fixing device.In this study, we propose