Should be larger port area to ensure less friction and pressure drop across the valve.
较大开口区域应保证通过阀门较小的摩擦力和压力降。
Where pressure drop is a concern, full-port ball valves or like construction are to be used.
在需要关注压降的地方，应采用不缩径全流道球阀或类似结构的阀门。
The pressure drop increases as the Reynolds number, the fin width and the fin height increase.
压力下降的情况会随着雷诺数升高而升高，也会随着散热片的高度和宽度提高而提高。
When operating basket chamber shows a high pressure drop the flow is switched to the other one.
一旦工作中的过滤篮出现高压骤降现象，液体流会转移到另一个过滤篮。
In this range, the pressure drop increases in proportion to the specific gravity of the mixture.
在这个范围内压力差的增加与混合物的比重成比例。
The results indicate that the pressure drop increases as F factor or rotational speeds increase.
结果表明，旋转床气相压降随F因子和旋转速度的增大而增大；
The pressure drop characteristic in natural circulation was compared with that in forced circulation.
对自然循环和强迫循环流动中压降流量特性进行了比较。
The pressure drop model is discussed, and the pressure loss for single perforation section is calculated.
在给定条件下对压力降模型进行了讨论，计算了单个孔眼段的压力损失。
The fin pitch and fin thickness of the exchanger are the key parameters for heat transfer and pressure drop.
换热器的翅片间距和翅片厚度是影响换热器换热和压降特性的重要因素。
The pressure drop is one of the most important characteristics in hydrodynamics of high-gravity rotating bed.
压降是超重力旋转床流体力学的重要特征之一。
It will give an indication of the circulating pressure drop to be expected at the anticipated killing pump speed.
慢循环率将按预期压井泵速期待的循环压降给定读数。
This can reduce the purchase cost, the more important is to be able to reduce the system pressure drop and air loss.
这样能降低购买成本，更重要的是能减小系统压降及空气损耗。
The straight line, poppet-type construction of the CU7 minimizes pressure drop and provides smooth flow characteristics.
CU7直线管、提升型结构压降最小，流量特性曲线平稳圆滑。
This paper studies up on the strategy for failure diagnosis of wall-flow DPF system based on pressure drop characteristics.
本文研究了壁流式DPF系统基于压降特性的失效诊断策略。
These all metal suction strainers are furnished with optimized pleat size and screen area for extended life and low pressure drop.
这些所有的金属吸油过滤器都配有优化折皱的大小和过滤面积为延长寿命和压力降。
This is important because a high pressure drop would mean that more energy is required to drive the vapour up the distillation column.
这一点很重要，因为如果压力下降太大，就意味着需要更多能量来推动蒸气上升。
Then, the test equipment and experiment is introduced. Through experiment, we get the relation between velocity and filter pressure drop.
介绍了试验设备及测试方法，通过试验得出过滤风速和压力损失变化关系。
The pressure drop of pipe increases with increasing of flux, liquid density, liquid viscosity, particle density and particle volume density.
管路压降随着流量、颗粒密度、颗粒初始加入量及液相介质密度和粘度增大而增大。
Swing-type check off er the least pressure drop and offer simple automatic closure; when fluid flow stops gravity and flow reversal closes valve.
旋启式止回阀压降最小，能够完全自动关闭，即在介质流动停止、重力和介质倒流的状态下自动关闭阀门。
Figure 6 is the relation between soot cumulant and pressure drop increment, as soot increases, pressure drop increases obviously, in linear relation.
图6碳烟累积量与压降增量的关系，随着碳烟的增加，压降明显增加，呈线性关系。
While it's still unclear how to explain the link, getting into a hot tub on a chilly day causes a rapid blood pressure drop, which stresses the heart.
尽管如今还不知道如何解释它们之间的联系，但是在寒冷的天气里进入热的浴缸会导致血压快速下降，增加心脏的压力。
And experimental results show that the new structure microchannels can enhance heat transfer and reduce pressure drop across microchannels at the same time.
结果表明采用新型结构能在强化传热的同时降低微通道进出口压差。
The maximum pressure drop and the operational pressure drop were investigated in a rectangular spouted bed with double nozzles by using air as spouting fluid.
在双喷嘴矩形喷动床内，以空气为喷动气体，研究了最大喷动压降与操作压降的变化规律和影响因素。
The rational strategy for designing the pressure drop is proposed by technical and economic analysis on the pressure drop performances of chemical plant system.
本文通过对化工装置系统压降性能的技术经济分析，得出合理的压降设计策略。
It can basically reflect the additional viscosity pressure drop due to flow path difference and additional inertial pressure drop due to high speed convergent flow.
该模型从本质上反映了因流线差异造成的粘性附加压降损失和高速紊流效应造成的惯性附加压降损失。
Crane globe valves are highly efficient for services requiring frequent operation and throttling when pressure drop across the valve is about 20% of inlet pressure.
当通过阀门的压降为管路压力的20%左右时，美国克雷恩截止阀就能够高效应用在频繁操作和节流的应用场合。
The results of experimental investigation on heat transfer and fluid pressure drop of spirally fluted titanium-tubes for steam condensation are reported and analyzed.
摘要介绍了钛螺纹槽管传热及流动阻力的实验结果，并对结果进行了分析。
The results of experimental investigation on heat transfer and fluid pressure drop of spirally fluted titanium-tubes for steam condensation are reported and analyzed.
摘要介绍了钛螺纹槽管传热及流动阻力的实验结果，并对结果进行了分析。
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