The higher the face velocity, the greater the eddy currents.
通风柜面风速越高，涡流则会越大。
Room air current velocities in the vicinity of fume hoods should be as low as possible, ideally less than 30 percent of the face velocity of the fume hood.
通风柜附近的扰流流速应尽可能低，理想的流速应低于通风柜设计面风速的30%。
The fume hood is the main safety in lab. In order to control harmful material leakage and keep the experiment working properly, the face velocity must be controlled efficiently.
通风柜是实验室中主要的安全设备，为了控制有害物质的外溢和保证实验正常进行，必须有效地控制罩面风速。
With the choices of dependant variables and cell face velocity, the convergency speed and computational accuracy of SIMPLE algorithm employed in the computation of complex flows are analyzed.
针对复杂区域中流动计算的SIMPLE算法，在选用不同的速度分量作为求解变量和离散体元的界面速度时，进行了算法收敛速度及收敛准确性的对比分析。
It is significant to find optional method for keeping the face velocity uniformity of FFU and reducing the face velocity turbulivity of FFU, furthermore, to keep the cleanliness level under FFUs.
找出优化的方法来保持风机过滤器机组的面风速均匀性及减少面风速的湍流度，对于保持风机过滤器机组下方区域的洁净度有重要意义。
All extrapolation operators face the problem of choosing the reference velocity due to continuation in depth.
此类波场外推算子沿深度层进行波场外推，都存在参考速度选择问题。
Although a lot of arithmetic of face detection and recognition has come forth, the recognition rate, the recognition velocity and the robustness of arithmetic etc are not ideal enough yet.
虽然近几十年来出现了大量的人脸检测与识别的算法，但识别率、识别速度以及算法鲁棒性等方面还是不够理想。
At a certain distance, the collecting efficiency was higher as the hood face air velocity became greater.
而在同一距离上，罩口风速越大，捕集效率就越高。
The velocity at the free face of a thick steel plate impacted by an explosive plate is calculated by means of the two-dimension dynamic finite element analytical method.
在炸药爆炸驱动飞板碰撞厚钢板后，利用二维动态有限元数值分析方法对厚钢板自由面的速度进行了数值计算。
Seal chamber pressure of a new double spiral groove face seal working under high velocity and pressure conditions may probably be disturbed in operation, which affects the seal stability.
一种用于高速高压等极端工况下的新型双螺旋槽端面密封在实际运行过程中密封腔压力会出现波动，从而影响密封稳定性。
Study was conducted on the roof of No. 3604S4 coal face and the actual mining roadway with fractals, and a few kinds of functional values of subsidence velocity of this face were obtained.
用分形对3604S4工作面和回采巷道顶板进行了研究，得到了该工作面下沉速度的几种分维值。
When working face has mechanized support, air leakage quantity is small, velocity is low in goaf, and spontaneous combustion zone is more approach to working face.
有综采支架时，工作面向采空区的漏风量过小，致使采空区的速度很小，自燃带靠近工作面。
When working face has mechanized support, air leakage quantity is small, velocity is low in goaf, and spontaneous combustion zone is more approach to working face.
有综采支架时，工作面向采空区的漏风量过小，致使采空区的速度很小，自燃带靠近工作面。
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