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压头损失     
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  head loss
     Mathematical Model of Head Loss for Pulp Flow in Pipe(Ⅱ)
     纸浆圆管流动压头损失的数学模型(Ⅱ)
短句来源
     The production procere and system well tesing data of Donghe-1 well are analysed comprehen sively,and then the relations between the oil production with oil pressure and choke diameter,between the kinetic head loss with oil rate are estublished in this paper.
     本文对东河1井的生产过程及系统试并资料进行了综合分析,由此建立了产油量、油压与油嘴直径以及油管动压头损失与产油量之间的关系式。
短句来源
     The mathematical method of head loss for pulp flow in pipeis modelled by employing elastoplastic mechanics theory. This mathematical model may offer atheoretical basis for the design of pipe transpcrt system in pulp and paper mill.
     用弹塑性力学理论建立了纸浆在圆管中流动时压头损失的数学模型,可为制浆造纸管道输送系统的设计提供理论依据。
短句来源
     The valve is an impeding part with larger pressure head loss and a lot of discharge energy consumed.
     风量调节阀系阻性部件,存在较大的压头损失,须消耗大量送风能量。
短句来源
  head losses
     Because only the friction losses for slopes not greater than 2% and hydrostatic head losses due to a profile change have been taken into account, wastewater can be lifted to a height of 4.5~6m or carried to a distance of 4km depending on the operating level of the system.
     由于只考虑向下坡度小于 2 %的管线的摩擦损失及各提升段的静压头损失 ,因此 ,根据不同的系统运行水平 ,污水提升高度可达 4.5~ 6m ,输送距离可达4km。
短句来源
  “压头损失”译为未确定词的双语例句
     Mathematical Model of Head Loss for Pulp Flow in the Pipe
     纸浆圆管流动压头损失的数学模型(I)
短句来源
     Scanning the filtering material and gathering the velocity can help to calculate homogeneity coefficient, approximately representing the pressure loss of every spot, thus the homogeneity or inhomogeneity can be determined.
     本文通过对生产实际情况的分析,提出了使用测试滤料后的风速数值计算均匀系数,近似代表滤料各点的压头损失,判断滤料是否均匀的方法,并在此基础上研发了这套无纺布均匀性测试系统。
短句来源
     provids a method to calculate the energy loss after changing the particle size distribution in the same pipe line.
     提出在同样一个管道系统中,变换颗粒尺寸分布后,压头损失的计算方法。
短句来源
     The design criterion for the string and the method for designing combined equicohesive string under the condition of two-directied stress are put forward: to reduce the friction resistance on the string and the loss of fluid pressure head, small-sized Grade D sucker rod should be adopted as possible, and the rod with larger size can be selected when the maximum working stress on the small-sized rod string is higher than the allowable stress.
     提出了井下单螺杆抽油泵杆柱设计的原则和在二向应力状态下等强度组合杆柱设计和计算的方法:为降低杆柱摩阻和油液压头损失,应尽量采用小规格的D级抽油杆,在小规格的抽油杆柱的最大工作应力大于抽油杆的许用应力时再选用大一规格的抽油杆。
短句来源
     It is a new type of orifice flowmeter which has practical value.
     高速流的压头损失较小,是具有一定实用价值的新型孔板流量计。
短句来源
更多       
  相似匹配句对
     Mathematical Model of Head Loss for Pulp Flow in the Pipe
     纸浆圆管流动压头损失的数学模型(I)
短句来源
     Mathematical Model of Head Loss for Pulp Flow in Pipe(Ⅱ)
     纸浆圆管流动压头损失的数学模型(Ⅱ)
短句来源
     EVALUATION FOR LOSSES CAUSED BY THE MOSAIC VIRUS DISEASES IN TOBACCO
     烟草花叶病的损失测定
短句来源
     THE HOICE OF LOSS FUECTION
     损失函数的选择
短句来源
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  head loss
An estimate is given of the influence of the waves on the magnitude of the head loss by the friction of the gas-liquid mixture in a horizontal tube.
      
Calculation of friction head loss in plug flow of gas-liquid mixture in tubes
      
Influence of Polyacrylamide Additions on the Head Loss in Abrupt Contractions and Expansions of Pipes
      
An increase and a decrease in the head loss have been revealed.
      
Therefore, the equivalent head loss coefficientCl is introduced and experimentally determined as 0.3 which is several times larger than the Darcy-Weisbach friction coefficientf for the present experimental setup.
      
更多          
  loss in head
Critical weight loss in head and neck cancer-prevalence and risk factors at diagnosis: an explorative study
      
  loss of head
We present a new design of a heat exchanger capable of handling flows of gases and liquids at temperatures from -270 to +1100°C and pressure of up to 30 MPa, for any throughput capacity required, and ensuring low loss of head of heat-transfer media.
      
It is usually advisable to increase the size of both suction and discharge pipes at the pump connections to decrease the loss of head from friction.
      
In addition, water moving through the interstices of the sandstone must overcome frictional resistance resulting in a further loss of head.
      
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