Results 111 to 120 of about 6,064 (164)

[Application of domestic jingfeng single-port robotic-assisted surgery in multisite diseases of oropharyngeal-head and neck region: case series]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Han P   +6 more
europepmc   +1 more source

[Application of domestic single-port robotic surgical system in thyroid cancer]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Ma Q   +9 more
europepmc   +1 more source

[Preliminary application of domestic single-port serpentine arm robotic surgical system in children's pyeloplasty]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Li Z   +6 more
europepmc   +1 more source

漏孔形态对GIS设备微水增长特性的影响

open access: yesGaoya dianqi
SF6气体泄漏是GIS设备最常见的故障之一,GIS泄漏发生时通常伴随内部水组分的增长。为了揭示不同漏孔形态对GIS设备微水增长特性的影响,选取了包含简单圆柱孔、台阶孔、锥形孔、直角孔及并排孔等7种漏孔形态,建立数值模型开展了多组分相变输运瞬态模拟。获得了GIS压力下降过程中不同漏孔内外部流场及水组分相变输运动态特性。结果表明,在相同的漏率规模下,漏孔结构越复杂,其出口位置羽流覆盖面积越小,外部冷凝水更容易进入漏孔内部;扩张型漏孔内会产生热力喉道等气动结构,该结构对液相水进入泄漏通道有明显的阻碍作用 ...
樊新鸿   +5 more
doaj  

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