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- Chiu and Seman(1971)studied the head loss of flows transporting sediment in circular and square pipes with spiraling motion. 邱和思門(mén)（1971）研究了在圓管和方形管中輸沙時(shí)具有螺旋運動(dòng)的水流的水頭損失問(wèn)題。
- The critical velocity and the head loss gradient of slurry pipelines are important design parameters. 臨界速度和水頭損失坡降是漿體輸送管道的重要設計參數。
- Flow regime and head loss of two different tailrace systems in hydropower station were investigated. 對兩種不同的尾水系統布置方式進(jìn)行了流態(tài)和水頭損失的對比分析。
- Unique design features in the 1710 Series give improved flow measurement accuracy as well as a lower head loss characteristic compared to other valves. 與其它結構平衡閥相比,1710系列平衡閥獨特的結構,改善了流量測量的精確度,減少了壓頭損失。
- Unique design features in the 1710 give improved flow measurement accuracy as well as a lower head loss characteristic compared to other valves. 與其它閥門(mén)相比，1710獨特的結構特征能夠改善流量的量測精度，減少壓力損失。
- A heat exchanger pipe with continuous helical baffles was proposed.Pressure distribution and head loss of the heat exchanger pipe were calculated. 摘要提出了一種連續螺旋折流板換熱管，對其內部流場(chǎng)進(jìn)行了數值模擬，并進(jìn)行了物理模型實(shí)驗驗證。
- The conflict of head loss development and effluent quality decline should be fully considered in determining backwashing parameters. 好氣濾池的反沖洗應綜合考慮反沖洗后濾池出水水質(zhì)下降和水頭損失恢復之間的矛盾。
- Based on the combination of the theoretical analysis and flume experiment, the local head loss associated with pile permeable groins is discussed. 為此，結合理論分析和水槽試驗對其局部水頭損失進(jìn)行探討。
- But water head loss of filter for aluminium sulphate polysilicate application will grow quicker than that for aluminium sulphate . 殘留的鋁含量降低，而殘留硅的含量沒(méi)有增加，但投加聚硅硫酸鋁會(huì )導致濾池水頭損失增加。
- 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，水流通過(guò)0.;9米厚的交換層時(shí)，2
- The course contains hydrostatics, hydrodynamics, head loss and related hydraulics calculation, some special hydraulic problems and measurement of hydraulics factors. 主要講授水靜力學(xué)、水動(dòng)力學(xué)基礎、水頭損失及有關(guān)水力計算、若干特殊的水力問(wèn)題、水力要素的量測。
- Based on an experiment of head loss for long-throated flume, the flaw of water head loss calculating formula which based on the theory of boundary layer is pointed out. 在實(shí)驗的基礎上,指出對用邊界層理論計算長(cháng)喉槽水頭損失公式的缺陷,分析了局部水頭損失產(chǎn)生的機理,補充了進(jìn)口側收縮水頭損失的計算,對原公式進(jìn)行修正提高計量精度
- She nestled her head on his shoulder. 她將頭依偎在他的肩上。
- It is shown that the relationship exists among the location of the flaring gate piers,the Froude number at the section of starting flare,the weir head,the head loss and the gate width. 研究了寬尾墩位置、始擴點(diǎn)水流佛汝德數與堰上水頭之間的關(guān)系,導出了與水頭損失、閘門(mén)寬度有關(guān)的計算公式。
- According to current engineering hydrodynamics, there s positively constant head loss in Bernoulli s theorem for identical stream line in viscous fluid, which can later turn into heat and dissipate. 現行工程流體力學(xué)與水力學(xué)理論通常認為粘性流體元流伯努利方程中的水頭損失項是恒正的,并且這部分損失的機械能轉變?yōu)闊岫纳⒌袅恕?/li>
- That is particularly true today as the prospect of further losses continues to unnerve private investors. 現在，基于私人投資者還將出現更大損失的預期，資金將尤其稀缺。
- Gives a calculation formula of the absolute error of specific frictional head losses. 給出了湍流區沿程阻力系數絕對誤差的計算式。
- Recent moderate unit volume amplification, recovered early Tuesday Changyang losses continue to be optimistic about market outlook. 近期該股成交量溫和放大，周二長(cháng)陽(yáng)收復前期失地，后市繼續看好。
- This research tries to explore the semi-empirical and semi-theoretical head loss formula for the opposite folded-plate flocculator unit by theoretical analyses and modeling experiments. 通過(guò)理論分析及模型試驗，探尋了針對異波折板絮凝單元的水頭損失半經(jīng)驗半理論計算公式。
- The deer lowered its head to drink from the pond. 鹿低下頭去喝池塘里的水。
