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。
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。
The critical flow velocity of reservoir, sand production rate of oil well and sand control rate of sand retention layer are the key of the technology that is successfully used.
具体储层的临界流速，油井出砂率，挡砂层的挡砂率是该技术的成功核心。
The problem such as the critical flow velocity at which fluid elastic instability phenomenon begin to occur, the reciprocal action on neighboring tubes in different helical radius, and that.
针对发生流体弹性不稳定现象时的临界流速；不同螺旋半径上相邻管的相互影响；同一螺旋半径上、下游管的相互影响等问题作了讨论。
The critical velocity of flow gotten by Stokes'number 1/16 only had its significance in theory.
由斯托克斯准数为1／16导出的临界流速值，只有在纯理论研究的计算上才具有意义；
If there is a critical velocity of flow which make the algae growth rapidly in Three Gorges Reservoir and tributaries and how to certain it are the urgent problems which should be solved.
库区内的优势藻类爆发生长是否存在临界流速，以及临界流速怎样测定，已经成为一个亟待解决的问题。
This article will elucidate the effects of velocity of flow to the growth of algae and discuss importance of the critical velocity of flow in study on the eutrophication of the Three Gorges Reservoir.
通过阐述流速对藻类生长的影响，探讨临界流速在研究及控制三峡库区富营养化过程中的作用和地位。
ResultsNimodipine improved cerebrovascular function significantly, including increasing cerebral blood velocity and flow, decreasing cerebrovascular resistance (r) and critical pressure (CP).
结果尼莫地平可增加脑血流量，降低脑血管阻力R及临界压力CP。
When the maximum velocity of an oscillated flow in the collapsible tube exceeds the so-called critical velocity, the tube will become unstable and oscillate with displacement.
可坍陷管中，当管流速度幅值超过临界速度时，会产生失稳和位移振荡。
When gas flow velocity in a wellbore is less than a critical gas flow velocity maintaining continuous flowing back in a gas well, a liquid carrying phenomenon occurs in the gas well.
当井筒内气流速度低于维持气井连续排液的临界气流速度时，气井出现携液现象。
When gas flow velocity in a wellbore is less than a critical gas flow velocity maintaining continuous flowing back in a gas well, a liquid carrying phenomenon occurs in the gas well.
当井筒内气流速度低于维持气井连续排液的临界气流速度时，气井出现携液现象。
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