Effects of wall thickness of duct and reactor as well as reactor's shape on combustion rate of SQ fire extinguishing agent are studied by experiments.
文章简要介绍了作为哈龙替代品的SQ灭火剂的特点，用实验方法研究了反应器形状、反应器壁厚及导流管壁厚对SQ灭火剂燃速的影响规律，并分析了产生这种影响的原因。
Focus on extrahepatic bile duct diameter, wall thickness, lumen transparent sound, hepatic artery peak flow velocity (PSV) and resistance index (RI).
超声观察肝外胆管内径、管壁厚度、管腔内透声、肝动脉峰值流速(PS V)、阻力指数(RI)。
Focus on extrahepatic bile duct diameter, wall thickness, lumen transparent sound, hepatic artery peak flow velocity (PSV) and resistance index (RI).
超声观察肝外胆管内径、管壁厚度、管腔内透声、肝动脉峰值流速(PS V)、阻力指数(RI)。
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