有效流速 的英文怎麼說

中文拼音 [yǒuxiàoliúsù]
有效流速 英文
effective velocity
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 流 : 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...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 有效 : effective; valid; efficacious
  • 流速 : [機械工程] velocity of flow; strength; [水文] current velocity; current speed; flow rate流速管 pi...
  1. The pollution problems of the rivers and streams in that region have accordingly improved considerably in the past decade. however, as the base flow of local rivers and streams is generally small, their assimilative capacity is therefore low. this, coupled with the continued development and hence population growth in the river catchments, as well as the lack of maintenance of many private septic tank systems, has caused the water quality of some rivers and streams in the northwest new territories to remain unsatisfactory

    而溪流的污染情況在過去的十年間亦因此而有所改善，但由於本地河溪的流速相當慢，河流的自凈能力相對偏低，而河溪的周邊不斷發展，人口持續增加，加上部分私人的化糞池系統欠缺打理，未能有效運作，所以新界西北仍有部份河溪水質未如理想。
  2. First, it is compressible and cushiony ; second, it can be transported to a long distance with a little power loss ; the last, its flux and velocity of flow are quite high, so the reaction time of the operators can been considerably shortened. aiming to solve the problems of vibrating machinery such as short life - span, poor cushion and high energy consumption, the writer, on the basis of characteristic of pneumatic mentioned, contrives a set of valve controlled pneumatic vibrator, which has larger output vibrating force and longer life - span with simple structure. then, it is applied to drive a vibrating screen and the result is fairly well

    文中針對氣動技術本身的特性及優點，如：可壓縮，具有緩沖性；能耗損失小，便於遠距離輸送；流量大、流速高，執行元件響應速度快等，以解決振動機械在應用過程中的緩沖、能耗以及使用壽命等問題為目的，設計出一套輸出激振力大、結構簡單、使用可靠的閥控氣動激振器，並將其成功地運用到振動篩上，取得了較好的效果。
  3. The experiment results indicate that this method is more effective in the brushless direct current motor ' s low speed torque ripple attenuation, and its more effective in improving system dynamic performance

    運行結果表明，此方案能有效地抑制無刷直流電動機低速時的轉矩脈動，更好地改善系統的動態性能。
  4. The normal analytic technique was adopted to mensurate the basical nutrients such as total n, total p, total k, available n, available p, available k, organic matter, ph and so on. meanwhile, various techniques were employed to mensurate the soil dissoluble carbon, finally the technique of water saturating - h2so4 - agso4 - circumfluence - feso4 titration was used in this experiment

    測定土壤的基本養分狀況全氮、全磷、全鉀、速效氮、速效磷、速效鉀、有機質、 ph等採用常規分析法，對土壤可溶性碳的測定方法進行了多方面的探索，最後採用水提? h _ 2so _ 4 - ag _ 2so _ 4迴流? feso _ 4滴定這一方法。
  5. By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve

    通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場速度分佈分析對比后發現，固定閥周圍流場存在較強的湍動，閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區，使氣體穿閥后的行為變得復雜，並對氣液傳質過程產生重大影響；模擬結果表明，為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響，通過折邊來改變氣體的氣路是非常有效的，模擬值與實驗值基本得到吻合。
  6. The method of obtaining high concentration of na2feo4 solution by quick electrolysis mainly contains four aspects : adoption of either a diaphragm or an ionic membrane electrolytic cell in which a thin anodic cell lying between the two cathodes, ( 2 ) using an iron anode that has larger specific surface area, ( 3 ) keeping suitable concentration of naoh in the anodic cell, adoption of lower current density and higher electrolyzing speed. the practical technique parameters follow a s below : the naoh solution of 14 - 16mol / l, the temperature of 303 - 308k, the surface anodic current density of 300a / m2, the unit electrolyzing speed of efficiency larger than 6. 0a / l

    快速電解獲取高濃度na _ 2feo _ 4溶液的方法，主要包括四個方面：採用兩陰極室夾一厚度較小的陽極室的隔膜（或離子膜）電解槽；使用比表面積較大的鐵網陽極；保持陽極室中有適宜濃度的濃naoh溶液；採用較低的電流密度和較高的電解速度。具體工藝參數是： 14 16mol / lnaoh溶液、溫度303 308k 、表觀陽極電流密度300a m ~ 2 、有效單位電解速度6 . 0a / l 。
  7. The software system has such characteristics as follow : all the information including streaming media are transported in transport - layer. its speed is much higher than in application - layer because it cuts down the time in data processing between two layers and can transport more pure data in equal time

    本系統具有以下特點：所有信息數據的傳送都在傳輸層實現，與在應用層實現相比，不僅減少了協議層之間流動的時間開銷，而且提高了有效數據的傳輸速率，有利於實時播放多媒體影音文件。
  8. Ag on - line store in order to meet the international current, we do fast shipping by ems correlatively area overseas and we make a completely automatic expressage term account system to make you have a convenience trade

    為目前合乎我們標準的優良物流合作伴，快速、明確、有效率、完善的查詢系統、客服系統、及透明化的經營，與我們的經營理念契合，期望帶給國內網路消費族群五星級的網購品質。
  9. Through the special studies on impacts to atomizing and humidifying effect from such factors as the firing pin type, centrifugal structure, higher spraying pressure, less aperture, initial water temperature and original state of the air, some conclusions are obtained, such as : the centrifugal nozzle with firing pin type, high pressure and little aperture has bigger air eddy and atomizing angle. the spaying liquid has high velocity. the droplet is small, and the heat and mass transfer velocity is high

    通過對撞針型結構、離心式結構、較高的噴水壓力、較小的噴嘴孔徑、噴水初溫及待加濕空氣初狀態對霧化加濕效果的作用原理的重點分析，得到：撞針型高壓小孔徑離心式噴嘴具有較大的空氣渦與霧化角，噴出的液體流速高、液滴小、水與空氣傳熱傳質速率高，撞針型結構提高了霧化加濕效率，高壓小孔徑的特點為霧化加濕提供了較大的能量，而噴水初溫的升高會減小水的粘性力和表面張力，從而優化加濕效果。
  10. Washed air purifier working principle : siphon and using centrifugal principle will be mixed in water pure plant essential oils inhaled through its siphon principle the motor base coaxial centrifugal turbines in the bottom of straw through exchanges cover a very high - speed rotary motor, reuse centrifugal principle, will be mixed in water pure plant essential oil spray bottle in the form within a water film bile, the dust in the air and inhaled bacteria in water purification at the same time after the indoor air insufflation, quickly and efficiently by removing indoor toxin biological, dust, cigarette smoke, the smell, virus

    水洗空氣清新機工作原理：是利用虹吸以及離心原理；將混合於水的純植物精油通過虹吸原理吸入其電機底座的同軸離心渦輪下部的吸管中，通過交流罩極電機高速旋轉，再利用離心原理，將混合於水的純植物精油噴在瓶膽內形成一層水膜，將空氣中的灰塵以及細菌吸入水中，同時將經過凈化的空氣吹入室內，快速有效地去除室內的有毒素生物、灰塵、煙味、臭味、病毒等。
  11. The air - flow field in the stripping unit can be adjusted easy by changing the rotation speed of fan which is benefit to reduce the grain losses, it was found during experiment that the cross - flow fan can diffuse some of mog ( material other of grain ) and diffuse it in a certain direction which is useful to satisfy the working condition for driver and lighten working load of the threshing unit of the combine harvester candidate and speciality : peng shengmin ; machinary design and theory supervisor : prof. zhang huiyou

    該裝置可以通過控制橫流風機的轉速，使裝置內氣流在有控制的情況下排出裝置外，改善了裝置內流場狀態，提高了裝置喂入口處的負壓，這對減少摘脫裝置的落粒損失，有著重要意義。由於橫流風機的除雜，可以減輕機器的復脫和清選負荷。安裝橫流風機后可以對裝置的出風口處灰塵進行有效導引，改善駕駛員的工作條件。
  12. This article combines the theory and reality ; try to explore the major effects and changes of relationship between consumers and business from the retail aspect, and tries to show how to gather all the resources efficiently with the real case of shijiazhuang guoda group, how they developed the multiple shop to a sale station, a service station, a circulation station and an information station for merchandise, how they made the geographical shop well - combined with the virtual online sale and improved the competition power of the company, the main objective is to share the experience with the sister industry

    本文通過理論與實際應用相結合，從流通創新角度論述電子商務實現了消費者和企業之間信息的快速互動式溝通，使流通業發生了深刻變革，對整個流通業產生的革命性影響，並以石家莊國大集團公司為案例闡述了如何有效進行資源整合，將連鎖便利店發展成為商品的銷售站點、服務站點、物流站點和信息站點的快捷便利的服務平臺，將地理性店鋪網路與虛擬性網上銷售有機結合，提升了企業核心競爭力，旨在為同業提供可借鑒經驗。
  13. The accumulation and transportation of moist available potential energy and the release of the condensation heat offer the material condition for this heavy rainfall. under the condition of the air ' s movement through the stiff moist isentropic surfaces, the development of vertical vorticity of mesoscale low vortex system is accelerated due to the slantwise vorticity development, and to form stronger convective system, so as to result in heavy storm rainfall

    濕有效能量的積聚和輸送為強降水的發生、發展提供了充分的物質條件；由於沿陡立等熵面的空氣上滑運動，因傾斜渦度發展造成了中尺度低渦系統垂直渦度迅速增加，促進了低渦的快速加強，形成強對流系統，導致強暴雨過程的發生。
  14. What ' s more, we put forward some experienced formulas on the basis of the cortical analysis. the result of the research show that by installing diffluent piers with low ridge, we can eliminate the root of oscillatiny water jump, perfect the energy dissipation effect of water jump, also, we can improve the flow condition of down - stream. the fact that the main flow of down - stream is in the middle, not only effectively lower the speed of the bottom flow in the ridge rear, alleviate the erosion to the river bed, but also avoid the heavy wave resulted from the main flow in the surface, thus improve the surface wave of down - stream obviously. we can work out the body style parameters of diffluent piers with low ridge according to the project flow condition and experience formulas, and then reckon the down - stream surface wave condition for the protected building of the down - stream bank

    研究結果表明：設置低坎分流墩后，消除了擺動水躍水舌擺動的根源，提高了水躍的消能效果，改善了下游水流流態。下游水體的主流在中部，既有效的降低了坎后水流底流速，減輕水流對河床的沖刷，又避免了主流位於表面導致波浪過大的結果，下游的水面波浪明顯得到削減。依據經驗公式，可根據工程水流條件設計出低坎分流墩的體型參數，進而估算出下游沿程的水面波浪，為下游岸邊的砌護提供依據。
  15. Due to information ' s disturb effects on the enterprise decision and the business process, as well as the different influences of tod and toc, this paper suggests the use of mutual mode in the tod and toc can support enterprise decision accurately and effectively

    基於信息在企業決策與業務流程中的擾動作用，以及決策論與約束論對企業決策的不同影響，提出採用決策論與約束論互動方式，有效、高速、準確的支持企業決策。
  16. The influence of pipeline flow resistance on net speed of vacuum pump is analyzed in long - distance pipeline vacuum drying, the calculation method of net speed of vacuum pump is given and checked up with site experiment

    摘要分析了長輸管道真空乾燥中真空泵組的有效抽速受管道流阻的影響，給出了有效抽速的計算方法，並用現場實驗對其進行了驗證。
  17. Finally, according to the research result of effective volume forecast and investment system and charge mode, the measures of effective management have been established in this paper

    最後，本文綜合有效流量預測、投融資體制及收費模式的研究結果，確定了高速公路實施有效經營的的策略。
  18. The forecast period of effective volume is shorter than that of freeway feasibility investigation report, therefore its forecast conclusion is more accurate, and can be used for the ground of freeway management

    由於預測有效流量時考慮的影響因素要比可行性研究階段產生的預測流量全面，因此其預測結論與實際情況吻合更好，更適于指導高速公路的經營管理。
  19. Biosensors, to date, have been not only employed in the early stages of drug discovery by screening potential targets and combinatorial libraries, but also moving down the pipeline and being used for significant quantitative measurements

    摘要現今的研究潮流，藥物開發是一股勢不可擋的趨勢，除了要能有效快速的進行活性篩選工作之外，也必須對篩選出之先導物有能力進行更進一步的深入分析，而生物感測正可以符合這些藥物開發的需求。
  20. This paper investigated the electrorheological ( er ) characteristics of two suspensions of starch particles ( a ) and aluminosilicate particles ( b ) in silicone oil respectively, and also their transmitting properties on a simulated device of cylindrical er clutch ( erc ) by comparison, only to show that a is a kind of electrorheological fluid ( erf ) with definite plastic yield - point and can be subjected to a narrow voltage range on erc, while b is a kind of pseudo - plastic erf and can be subjected to a wilder voltage range on erc

    本文研究了硅油-澱粉（ a ） 、硅油-硅酸鋁（ b ）兩種er流體的電流變性能，並通過一套筒式er離合器模擬傳動裝置，研究且對比了這兩種er流體在筒式er離合器上的傳輸特性。結果表明a是具有塑性屈服點的流體，其在er離合器上有效調速電場范圍較小； b是假塑性流體，其在er離合器上有效調速電場范圍較寬。
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