N always decreases with the increase of nozzle pressure drop or orifice diameter.
随着孔径和喷嘴压降的增加，N值总是下降的。
This paper introduces the structure, setting principle, orifice diameter calculation, selection and installation requirement for safety valve.
介绍了安全阀的结构、设计原则、喉径计算、选用和安装要求。
The synthetic jet exhibits self-similarity and is like the conventional jet only at distances greater than 10 times the orifice diameter away from the orifice.
在离开喷口10倍于喷口直径的距离后，合成喷与常规喷一样具有自相似性。
As for the selection of throttle orifice, methods for calculating the number of orifice stages, pressure difference and orifice diameter are described as well.
介绍了选择节流孔板的计算方法，包括节流孔板级数、压力差和孔径的计算。
The Rupe number and the ratio of injection orifice diameter are two key parameters affecting unlike impinging injector performance, and they are closely interrelated.
对于直流互击式喷注器，鲁泊数和孔径比是影响喷注器性能的两个关键参数，而且两者之间有一定关联。
It should be noted that, with the decrease of orifice diameter, ignoring the influences of orifice length on the bearing's performance will result in rather large errors.
分析中还发现，随着节流孔直径和气膜厚度的减小，忽略节流孔长度对轴承性能的影响将带来较大的误差(这一点被以往研究者们所忽略)。
Pupose To study the influence of left atrial diameter, area of mitral orifice and mitral regurgitation on thrombosis in left atrium.
目的研究左房内径、二尖瓣口面积、二尖瓣返流对左房血栓形成的影响。
Restriction orifice; Fire relief; Diameter selection;
限流孔板；火灾泄压； 实验论证；
This orifice (of what?) can be indirectly anastomosed by using a bridging vein or directly anastomosed to an opening with similar diameter and form of the inferior vena cava.
这个口子可以用一根架桥静脉或直接地缝到下腔静脉上相似大小和形状的开口上。
A type of valve, typically found on small-diameter pipework, that incorporates an orifice or flow-restriction device to control fluid flow.
一般用于小直径管道系统的一种阀。它包括一个用于控制流体流动的孔板或限流装置。
The diameter of coronary sinus orifice, the thickness of the right ventricle wall and the height and breadth of foramen ovale is irregular.
冠状窦口直径、右房壁厚度、卵圆孔高度和宽度变化不规则。
Three layers network topology is adopted. The input variables are water pressure, diameter of orifice, diameter of abrasive particles, flow rate of abrasive and feed rate of cutting head respectively.
模型采用三层结构，输入变量有水射流压力、水喷嘴直径、磨料粒子粒度(直径)、磨料流量和切割头进给速度。
The second orifice has an inner diameter larger than that of the first orifice.
第二个孔内径有一个比第一口大。
The second orifice has an inner diameter larger than that of the first orifice.
第二个孔内径有一个比第一口大。
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