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- channel friction head loss 河槽摩擦水头损失
- Gives a calculation formula of the absolute error of specific frictional head losses. 给出了湍流区沿程阻力系数绝对误差的计算式。
- friction head loss 摩擦水头损失
- Calculation of Optimal Specific Frictional Head Loss in Condensate Network 凝结水网经济比摩阻的计算
- Error analysis of specific frictional head loss in hot-water heating pipelines 热水供暖管路比摩阻误差分析
- The channel friction is importance parameter of hydraulic analysis,A channel friction parameter inversion method based on Kalman filter with unknown parameter vector is proposed. 河道糙率是洪水水力计算的重要参数,引入控制论理论,应用带参数的卡尔曼滤波法进行河道糙率反演分析。
- frictional head loss 摩阻水头损失
- Chiu and Seman(1971)studied the head loss of flows transporting sediment in circular and square pipes with spiraling motion. 邱和思门（1971）研究了在圆管和方形管中输沙时具有螺旋运动的水流的水头损失问题。
- The critical velocity and the head loss gradient of slurry pipelines are important design parameters. 临界速度和水头损失坡降是浆体输送管道的重要设计参数。
- Flow regime and head loss of two different tailrace systems in hydropower station were investigated. 对两种不同的尾水系统布置方式进行了流态和水头损失的对比分析。
- Unique design features in the 1710 Series give improved flow measurement accuracy as well as a lower head loss characteristic compared to other valves. 与其它结构平衡阀相比,1710系列平衡阀独特的结构,改善了流量测量的精确度,减少了压头损失。
- Unique design features in the 1710 give improved flow measurement accuracy as well as a lower head loss characteristic compared to other valves. 与其它阀门相比，1710独特的结构特征能够改善流量的量测精度，减少压力损失。
- A heat exchanger pipe with continuous helical baffles was proposed.Pressure distribution and head loss of the heat exchanger pipe were calculated. 摘要提出了一种连续螺旋折流板换热管，对其内部流场进行了数值模拟，并进行了物理模型实验验证。
- The conflict of head loss development and effluent quality decline should be fully considered in determining backwashing parameters. 好气滤池的反冲洗应综合考虑反冲洗后滤池出水水质下降和水头损失恢复之间的矛盾。
- Based on the combination of the theoretical analysis and flume experiment, the local head loss associated with pile permeable groins is discussed. 为此，结合理论分析和水槽试验对其局部水头损失进行探讨。
- Inverse analysis of channel friction based on generalized inverse theory 基于广义逆理论的河网糙率反演研究
- But water head loss of filter for aluminium sulphate polysilicate application will grow quicker than that for aluminium sulphate . 残留的铝含量降低，而残留硅的含量没有增加，但投加聚硅硫酸铝会导致滤池水头损失增加。
- The water head loss is low. When water flow through 0.9m-thick zeolite, flow rate is 2.6m/h, 4.2 m/h, 7.4 m/h, and the water head loss is 3-5cm,8-12cm,and 15-20cm, respectively. 沸石具有很好的通透性，水流通过0.;9米厚的交换层时，2
- He get seasick every time he crosse the channel. 他每次渡英吉利海峡时都晕船。
- Friction causes a rolling ball to stop finally. 摩擦力使滚动的球最终停了下来。
