定义 中文名称： 阻封 英文名称： quench 定义： 当用单端面机械密封来密封易结晶或危险的介质时，在机械密封的外侧（大气侧）设置简单的密封（如衬套密封、填料密封、唇密封等）。在两种密封之间引入其压力稍高
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此外，混合式密封的特性参数可以通过在线调节阻封气压来改变。
In addition the sealing performance, parameters of DHHGS could be changed through gas source pressure adjustment online.
结果获得了具正常电生理活性的单个细胞及高阻封接的形成，成功记录了L -型钙流和延迟整流性钾流。
As a result single guinea-pig atrial myocyte with normal electrophysiologic activity was obtained and its L-Ica and IK were successfully recorded with patch-clamp technique.
结果：生理盐水封管组浅静脉留置针阻管发生率为22.1%，而肝素钠封管组为7.4%，后者显著少于前者（P<0.05）。
Results :The occlusion rate of superficial vein detained needle was 22.1% in group of normal saline, but 7.4% in group of heparin sodium(P<0.05).
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