The critical flow pressure is a characteristics parameter which does not change with reservoir pressure.
临界流压是地层的特征参数，不随地层压力发生变化。
The effect of some parameters of the system on the values of critical flow velocity is discussed according to the analytical expressions derived.
利用临界流速公式系统地分析和讨论扭转刚度、重力系数和轴向预紧力对管道临界流速的影响特性。
The experimental result shows that the corrosion rate of carbon steel increases with the increasing of flow velocity, and there is a critical flow velocity.
结果表明：随着相对流速的增大，碳钢的腐蚀随之加剧，并发现存在一个临界相对流速值。
Based on the basic critical flow equation, formulae, which used to determine section factor Z and hydraulic exponent M for critical flow in city gate and horseshoe conduits, were derived.
针对水利工程上常用的城门洞形及马蹄形过水隧洞，利用临界流方程，给出了旨在用于临界流分析的断面参数Z和水力指数M 的计算公式和表示水深与Z以及M 之间的关系曲线。
Critical flow velocity is an important factor in slurry pipeline transportation. Now, there is not still an universal formula.
临界流速是浆体管道输送的一个重要因素，目前尚无普遍的使用公式。
Critical flow velocity is an important factor in slurry pipeline transportation. Now, there is not still an universal formula.
临界流速是浆体管道输送的一个重要因素，目前尚无普遍的使用公式。
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