At the right is a probe patent foramen ovale in an adult.右为成年人卵圆孔未闭的探查.Objective : To improve CT diagnostic value of extrusion disc in intervertebral foramen.目的: 提高对椎间孔内腰椎间盘突出的CT诊断及临床意义的认识.Findings: Smooth midline thethe...
来自智利Lascar和 Villarrica火山对对流层烟羽状的特征和发展.Characterization and evolution of tropospheric plumes from Lascar and Villarrica volcanoes, Chile.如果羽状的烟雾窜出并且上升, 将足以使船沉没.If a plume blows out and rises, it can sink the ship.羽状的火焰从楼顶...