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1)  critical settling velocity
临界沉速
2)  Critical settling velocity of flocs
絮体临界沉速
3)  terminal settling velocity
临界沉降速度
4)  critical flow rate
临界流速
1.
The result indicates that critical flow rate at the beginning of sand production declines with the rising of oil viscosity and pH value of fluid; when pH value exceeds 12, sand production increases remarkably.
研究结果表明,开始出砂的临界流速随原油粘度以及流体pH值的升高而下降;当pH值超过12以后,出砂量显著增大。
2.
The results indicate that critical salt concentration and critical flow rate exit on the saltwater-freshwater interface.
试验结果表明,咸淡水界面上存在临界盐浓度值和临界流速值,当入流溶液浓度达到临界盐浓度和流速达到临界流速时,都会产生颗粒释放现象,导致砂柱的渗透率下降,水敏性发生。
3.
The critical flow rate,VT could be estimated from the statistic curves.
从统计曲线上估算了临界流速的大小,当流速超过上述临界值时,管线服役寿命不会超过2年;临界流速从2004年时的4。
5)  critical velocity
临界速度
1.
The predicted pressure drop per unit length was compared with the experiments as a result that a critical velocity at which the wall slip begins was obtained and that the relationship .
计算得出水煤浆在管道中流动产生滑移的临界速度,并得到临界速度与管径的变化关系。
2.
The dynamic stress, strain and displacement of the windshield are obtained, and the critical velocity when the windshield failure is also gotten on the FE analysis.
并对某型号风挡进行了鸟撞动响应分析,得出了鸟的运动轨迹和风挡的位移、应力、应变响应以及风挡玻璃的鸟撞临界速度,经与试验结果比较,两者吻合较好。
3.
In radial ultrasonic grinding, the contacting state is discontinuous and the critical velocity accords with the existing vibration cutting theory.
径向超声振动磨削与纵向超声振动磨削 ,其主要差别是磨粒与工件的接触状态不同 ,在径向超声振动磨削中 ,磨粒与工件的接触是间断性的 ,它的临界速度特征符合现有的振动切削理论 ,而在纵向超声振动磨削中 ,磨粒与工件是永久性接触 ,不存在磨粒与工件表面分离的特点。
6)  critical rotating speed
临界转速
1.
The critical rotating speed of vacuum plating Cr under the condition of ensuring plating Cr reliably is educed by analyzing the vacuum plating Cr theory of code disc and radial grating and the film forming mechanism.
通过对码盘、圆光栅真空镀铬原理及膜层形成机理的分析,给出膜层厚度和影响其均匀性和致密性的主要因素之间的关系式以及安全成膜时被镀件的临界转速,为真空条件下获得厚度均匀、致密性好的铬膜提供了理论依据。
2.
Critical rotating speed, a basis for determining the rigidity and rotating speed of the main axle, is an important parameter in the design and manufacture of woodwork machine tool.
临界转速是木工机床设计与制造的一个主要参数,为确定木工机床主轴刚度、主轴转速的依据。
3.
Critical rotating speed of vacuum plating Cr was given under the condition of ensuring plating Cr reliably.
给出了动态真空镀铬保证安全成膜时被镀件不应超过的临界转速n临,为动态目标盘动态旋转条件下的可靠镀铬提供了理论依
补充资料:终点沉速
分子式:
CAS号:

性质:分散颗粒自由沉降中的最大沉降速度。它是用牛顿定律和斯托克沉淀定律进行分析,根据颗粒的重力与摩擦力或阻力相等的原理求得。在设计沉淀池时,通常的步骤是先选一个终点沉速为Vc的颗粒进行设计,使所有终点沉速等于或大于全部去除Vc的颗粒。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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