A semitheoretical modeling to calculate pressure drop and exponent of vortex velocity profile is deduced.

建立了计算旋风分离器压降及速度分布指数的通用计算式。

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The comparison dealts mainly with the frequency of drop forming, the velocity of drop flying, the drive signal and the complexity of drive circuit.

其中主要就墨滴形成频率，墨滴飞行速度，驱动信号及驱动电路等关键参数进行了比较。

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On the basis of experiment of two-phase pressure drop, for air-water flow through horizontal tube, the effect of mass velocity on the two-phase pressure drop is analyzed.

在对空气-水在水平放置的圆管内流动时的两相压降实验的基础上，分析质量流速对两相压降的影响。

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However there is plenty of evidence that the velocity of money does drop, especially during a recession.

FORBES: The Core Inflation Fudge

Sabathia (5-4) matched his season high with 10 strikeouts following two months of a puzzling drop in velocity, and New York got two key bats back Friday night in a 4-1 win over the Boston Red Sox that stopped a season-high, five-game losing streak.

WSJ: Yanks beat Boston 4-1 as Teixeira, Youkilis return

The housing crash, banking crisis and recession caused a sharp drop in the velocity of money.

FORBES: Inflation Only Gets Out of Control if You Let It