泄流通道 的英文怎麼說

中文拼音 [xièliútōngdào]
泄流通道 英文
current by pass leakage channel
  • : Ⅰ動詞1 (液體、氣體排出) let out; discharge; release 2 (泄露) let out (a secret); leak (new...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 通量詞(用於動作)
  • : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
  • 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
  1. To provide necessary data for design bypass pipe, an enlargement to bi liu river reservoir, the following problems have been studied by hydraulic model and theoretical analysis : the energy losses in water head of the bypass pipe system and of the flow - control valve and their scale effects, measurement and calculation of the discharge of the bypass pipe system during the bypass pipe system operation with and without the new water power station, the hydraulic characteristics of the water tunnel and draw - off pipe, the flow rate of the aqueduct bridge and the draw - off pipe and the water elevation of the flow in the aqueduct bridge during the old water power station operation with and without the new water power station

    大連市碧河水庫供水工程取水頭部由引水渡槽、節制閘、進水閘、水閘等建築物組成。由於本工程場地條件限制,增設旁管后布置非常緊湊,管急轉角度大且轉彎距離較小,對于管內水態是否滿足要求,需要經過模型試驗進行論證,以確保工程的可靠性。旁管具有上水與水要求,對其過能力也要經試驗確定,為碧河水庫增建旁管設計提供依據。
  2. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先,在闡述i / q正交調制基本原理的基礎上,過對誤差矢量和鄰近功率漏的詳細分析,定性、定量地討論了各種非理想電路因素(如相位不平衡、幅度不平衡、直偏差等)對調制器性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波器的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。
  3. The main work is done with the help of model experiment. in the flood - relief experiment, the flood carrying capacity of spillway tunnel is checked. in the hydraulic experiment of the diversion power conduit system, the followings are studied : the flow condition and fluctuation in the surge chamber, the distribution of flow velocity before the rack in the surge shaft, the amplitude of stage in the quick gate bay etc. the test step, content and results of different proposals are introduced in details

    本項優化試驗研究的目的主要在於,洪系統整體水力學試驗,校核洪洞的能力;過發電引水系統整體水力學試驗,研究調壓井內水態和水位波動情況、調壓井內攔污柵前速分佈情況;確定快速閘門井內水位波動幅度;試驗確定壓力管水擊壓力穿井系數以及洪洞弧形門處的水壓力。
  4. The paper discusses the methods of multi - objective ecological operation of reservoirs, which covers the establishment of legislation systems ; water demands for the basic ecological functions of downstream river channel ; reservoir discharge patterns simulating natural hydrological regimes ; regulation and control of sedimentation and eutrophication of reservoirs ; mitigation of the influences by water temperature stratification ; the operation techniques in pollution prevention and connectivity reinforcement of water systems

    文中討論了水庫多目標生態調度的方法,包括建立相應法規體系;保證維持下遊河基本生態功能的需水量;模擬自然水文情勢的水庫方式;進行水庫泥沙調控及水庫富營養化控制;減輕水體溫度分層影響;進行防污調度以及增強水系連性等方面的調度技術。
  5. Abstract : using a series of model tests, the properties of discharge capacity in the closed conduit due to inflow in gate shaft is studied and a method for estimating reducing discharge capacity is provided to designers

    文摘:過系統模型試驗,研究了因進口閘門井進水減小能力的特性,並提出了估算方法,可供設計應用。
  6. Analyses show that, when the ratio of the two branches ' discharge widths is coordinated with the resistance ratio of the two branches, the project reach has the least resistance, that the discharge capacity is the largest and that its influence on the project reach is less after the finishing of the project

    過分析,當兩汊寬度之比與汊兩汊阻力比相協調時,樞紐河段的阻力最小,其洪能力達最大,且樞紐建成后對樞紐河段的影響也較小。
  7. Ptfe is one of the most corrosion - resistant materials in the world. however it has defects such as the hot expansion and cold contraction rate is10 times larger than that of steel and the original cold fluidity ( creeping ) etc. therefore, as temperature increases, ptfe extends so excessively that it would collapse and then block the flow of media ; as temperature decreases, ptfe contracts so excessively that it would be ripped and then cause leakage

    Ptfe是當今最耐腐蝕的材料之一,可它被製造成襯里的時候,會存在熱脹冷縮比鋼鐵十多倍及固有的冷性等缺陷,致使ptfe襯里管、設備,在使用過程中,溫度高時, ptfe襯里層會伸長過多而內癟,阻塞了介質;溫度低時, ptfe層會收縮過大被拉裂而漏。
  8. The pavements on both sides of the road are highly congested and pedestrians are forced to walk on the carriageway causing serious pedestrianvehicular conflicts. in addition, heavy vehicles manoeuvring intoout of hennessy centre s loadingunloading bay pose serious safety threats to the pedestrian crowd

    在繁忙時段,啟超的行人量達每小時一萬三千人,路兩旁的行人路擠得水,行人迫走到馬路上,造成人車爭路的險象。
  9. To improve the flow pattern and discharge capacity of the spillway of bashan hydropower station, the left guide wall ' s form of the spillway ' s entrance channel is optimized by series of model tests

    摘要為改善巴山水電站溢洪進水渠態、提高能力,過一系列試驗優化了溢洪引水渠左導墻頭部曲線型式。
  10. One - piece has no potential body leak path, but requires use of reduced port ball ; thus, significant pressure drop. not repairable

    整體式:沒有潛在的閥體,但是要求採用縮徑球體;因此,壓降明顯。無法維修。
  11. Basing on the laws, the paper applies the pressure - flow distinguishing method into the pipeline leak detection, and through using the method of detecting the time of pressure fall

    結合此規律,將壓力量聯合判別法應用於管漏檢測中,並過捕捉壓力波的突降時刻進行管漏點定位。
  12. The complex vortex system structure and shock wave system structure inside this rotor is obtained. wall flow patterns on the blade surface and hub surface are found out. the complex vortex system structure, such as horseshoe vortex, passage vortex, corner vortex and trailing vortex, and the interaction with shock wave system are researched. especially, the character of the tip clearance flow inside the rotor passage is revealed, and the interaction between shock wave and tip clearance flow near blade tip and the evolution of tip clearance flow are considered

    給出了葉片表面及輪轂面上的壁面型,分析並揭示了轉子葉內的馬蹄渦、渦、角渦、尾渦等復雜渦系及其與激波的相互干涉;特別是,分析並揭示了轉子葉內頂隙射的特點,得到了頂隙附近激波與動的干涉形態及動的發展,並著重給出了其與激波的干涉形態。
  13. Abstract : based on the results of hydraulic model test and remote - control ship model, the unsteady flow characteristics in the downstream approach channel and the reaches from three gorges project to gezhouba project and navigation conditions in these reaches during the tgp flood - discharge are analyzed. the measures of raising navigation discharge level and improving navigation conditions are given

    文摘:根據水工模型試驗成果,分析了三峽工程洪時壩下游引航和兩壩間河段(三峽至葛洲壩)的非恆定波運動特性,結合遙控自航船模試驗對兩壩間的航水條件進行了分析評價,並提出了提高量標準、改善航條件的相應措施。
  14. Based on the river regime of tgp dam area and the arrangement of upper and lower access channels, the experimental research on the influence of such unsteady flow on the navigation, the evaluation of navigable conditions under the unsteady flow and the study of corresponding improvement measures are presented in this paper

    本文結合壩區河勢特點及上下游引航布置,試驗研究了大壩洪及船閘充水非恆定對上、下引航航影響,同時進行了非恆定航條件評價及改善措施研究。
  15. Nasa - 37 transonic and nwpu - 1 subsonic rotors are calculated by using this program. results of calculation indicates that this program can admirably simulate rotor rows flow in axial compressors and distinguish passage shock, leakage vortex path and separation of boundary layer

    用該程序分別計算了nasa - 37跨音速轉子和nwpu - 1亞音速轉子,計算結果表明本文建立的孤立轉子程序能夠較好的模擬軸壓氣機葉片排內動情況,能夠有效的捕捉激波和間隙漏渦軌跡以及葉片附面層的分離。
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