试验结果表明，新型滤器的压力降完全符合规定要求，原始滤清效率为63.04%，而传统滤器的原始滤清效率仅为60%。
The test results show that the pressure descend of new filter conform to the requirement of standard, the filtration efficiency is 63.04%, and the traditional filter is no less than 60%.
然而，压力降几乎完全发生在多孔塞中。
However, the pressure drop occurs almost completely in the plug.
该项研究成果，同时也克服了以往仅从压力降角度定性确定影响半径计算公式的缺点。
This researched achievement is also gets over the drawback of determining calculation formula for influenced radius only by pressure falling down.
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。
These all metal suction strainers are furnished with optimized pleat size and screen area for extended life and low pressure drop.
利用该仪器可以测量聚合物在稳态和动态挤出过程中的流动速率、压力降、离模膨胀和表观粘度等。
The flow rate, pressure drop, die swelling and apparent viscosity in dynamic and static extrusion can be measured by using this equipment.
本研究应用彩色多普勒血流会聚新方法评价了对二尖瓣狭窄的定量诊断，并与二维超声、压力降半时间及综合法测量二尖瓣狭窄进行了比较。
The quantification of mitral stenosis by using a new color Doppler flow convergence method was evaluated, and compared with two -dimensional echocardiography, pressure half- time and combined method.
以计算流体力学为工具，详细分析计算了流体流过孔板的层流流场分布以及压力降。
Based on computational fluid dynamics, the distribution of laminar flow-field and pressure difference are obtained by numerical simulation on flow through orifice plate in detail.
基于主蒸汽压力降阶近似模型和二次型最优控制原理，给出了主蒸汽压力的LQ次优调节策略。
Based on degraded and approximate model of main steam pressure and linear quadratic optimal control theory, the LQ sub-optimal regulation strategy is presented.
较大开口区域应保证通过阀门较小的摩擦力和压力降。
Should be larger port area to ensure less friction and pressure drop across the valve.
平行连接？ ？ ？压力降小温度差小不易检查通道断路。
Parallel connection? Small pressure drop Small temperature difference Difficult monitoring of blockage.
通过算例表明，应用该法进行口模优化设计可以减小压力降和口模出口速率变化率。
An example shows that using this method can obtain a uniform velocity profile across the die and minimize pressure drop.
结果表明，液雾的质量中间直径（MMD）和尺寸分布参数N将随着喷嘴压力降、空气流速、燃油性质而变化；
The results showed that mass mean diameter (MMD), and drop size distribution parameter N changed with pressure drop, air velocity, and fuel viscosity.
在射孔径向流和井筒径向流中，推导出了机械表皮因子和非达西流影响引起的附加压力降的表达式。
Formulae were derived to predict additional pressure drops due to mechanical skin and non-Darcy effect in the perforation radial flow and wellbore radial flow.
蜂窝状筛网催化剂的高开孔结构，使其较粉末催化剂具有较低的压力降，较蜂窝状堇青石催化剂具有较高的传质系数。
Wire mesh honeycomb combines a low pressure drop compared with powder catalyst and high mass transfer compared with ceramic honeycomb, mainly attributed to the high porosity of wire mesh structure.
泵吸中心巨大的压力降使深部的承压流体在富钠质岩系中产生周期性的构造泵吸—水力压裂—沉淀愈合作用。
The large pressure decline in the pumping centre caused the deep-seated confined fluids to develop periodic tectonic pumping, hydrofracturing and precipitation healing in the sodium-rich rock series.
通过阀的泄漏引起的压力降。
导出了油箱容积、气箱容积、充气间隔的压力降和燃烧时间的关系。
The relation equation of pressure drop in oil tank vers burning time and the air volume is established.
根据两相流的均相模型，对压力降型脉动的周期和振幅进行了数值计算。
Based on the homogeneous model, the numerical computation for the oscillation period and amplitude of pressure drop type instability was conducted.
从理论上分析了动态熔体流动过程，为研究聚合物熔体的动态充模过程提供流道系统压力降。
Dynamic flow process of molten polymer was studied in theory to offer a pressure drop input in the dynamic molding process of molten polymer.
在相同质量流量、相同压力降和相同泵功率等条件下，比较了两种通道的换热特性。
The heat transfer characteristics of the both passages are compared under the conditions of the identical mass flux, identical pressure drop and identical pumping power.
此外评述了用特征线方法进行水平管的数值模拟，倾斜管的压力降计算和长距离的栓流气力输送。
Numerical simulation using the methods of characteristics in a horizonal pipeline, the pressure drop in inclined pipeline, and the long distance plug-flow pneumatic conveying are reviewed.
试验还考察了油浆灰分含量对过滤结果的影响及反洗处理后过滤器初始压力降的恢复情况，为生产性过滤装置的设计提供了试验依据。
Rational filter processing parameters were obtained. The influence of ash contents on filtration and resumption of initial pressure drop of the filter after blowing back were also investigated.
本文以聚氯乙烯树脂为输送物料，测定了水平脉冲气力输送的料栓速度和压力降。
The pressure drop and solid slug velocity in horizontal pulsed dense phase pneumatic transport are investigated by using PVC powder as transporting material.
测试并计算了新型滤清器的压力降和原始滤清效率，并与原滤清器进行了对比。
The new filter's pressure descending and filtering efficiency were tested, and compared with the primitives.
提出了零液流量气提流动的两相流水动力学模型，应用该模型计算了零液流量气提流动的持液率和压力降。
Using the model, the liquid holding efficiency and pressure drop of gas lifting flow with liquid flow rate being zero was calculated.
对枝状管网分配初始流量和初始压力降，从而初选管径。
For branch network, initial flow and initial pressure drop are distributed, and initial pipe diameters are selected.
此外，修正方法还能判断热损效应是否严重地影响压力降试井方法的可用性。
In addition, this amended method can also be used to diagnosis whether the hot loss effect seriously affects the availability of pressure fall off test.
分析了采用螺旋型分布器时的压力降。
The pressure drop is analysis Ed when screw-type distributors are used.
文中重点论述液氧在垂直板翅槽道中两相流压力降及传热的计算模型与程序。
The paper primarily deals with the calculating models and the programmes of two-phase pressure drop and heat transfer of Lox in vertical plate-fin channels.
文中重点论述液氧在垂直板翅槽道中两相流压力降及传热的计算模型与程序。
The paper primarily deals with the calculating models and the programmes of two-phase pressure drop and heat transfer of Lox in vertical plate-fin channels.
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