等效水頭 的英文怎麼說

中文拼音 [děngxiàoshuǐtóu]
等效水頭 英文
equivalent head
  • 等 : Ⅰ量詞1 （等級） class; grade; rank 2 （種; 類） kind; sort; type Ⅱ形容詞（程度或數量上相同） equa...
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 水頭 : waterhead; head; flood peak水頭落差 head fall; 水頭坡降 water table gradient
  1. Rapidly increasing oxygen in water, driving water circulation in pond, and efficiently handling hypoxia in fish, prawn and eel, it is a necessary tool of increasing oxygen for aquiculture

    1迅速增加水中氧氣，推動池中水循環，有效快速解決魚蝦鰻等浮頭現象，是水產養殖的必要增氧工具。
  2. The additional flow is formed by the device of dentoid baffle, and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests. based on the research results, the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle, the properties of flow under the condition that the device of denotid baffle is used with a stilling basin, the hydraulic computation about a stilling basin, the estimation of energy dissipation and its various affection factors, the mechanism and effect of energy dissipation, and distributions of velocity and pressure and aerating concentration, etc, have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed

    文中利用齒墩設施實現附加射流，對齒墩設施與消力池聯合應用進行了大量的和系統的模型試驗，分析研究了中低佛勞德數條件下，齒墩墩頭的動水壓強及空化特性，齒墩設施與消力池聯合應用時的流態特性，消力池的水力計算，消能量的估算及其各種影響因素，消能機理和效果，消力池內的流速、壓強特性，摻氣濃度分佈等水力學問題，並提出了實現附加射流齒墩設施的水力設計方法和步驟。
  3. With an introduction of the influences of the final quality of rail aluminothermic welding, such as : the quality of welding kits ( esp. the portion ), the result of pre - heating, the welding operation and the level of operators etc., this paper analyzes some problems when rail welding under special conditions

    摘要介紹了焊接材料質量、預熱效果、操作人員水平等因素對鋼軌鋁熱焊接接頭質量的影響，以及幾何誤差不同、軌頭寬度不等、寒冷氣候等特殊條件下進行鋁熱焊接應注意的問題。
  4. As for actual embankments, the hydraulic head, cross section shapes, properties of filled soil, geological conditions and so on all vary greatly, it ' s hard to define precisely the distribution of seepage field and take effective seepage prevention measures

    因實際工程中堤防的作用水頭、堤身斷面、填土性質、地質條件等均千變萬化，導致難以全面而準確地分析其滲流場分佈並採取有效的防滲措施。
  5. This product adopts the latest biochemistry to fill a prescription, include the quintessence of many kinds of purely natural plants, protect such hair care composition of nutrition as the wet factor, vitamin e, etc. moistly, nourish the hair effectively, supplement the moisture, prevent the hair from being dry, strengthen the structure of the hair quality, the damaged hair quality of maintenance, is the professional salon and indispensable product of house

    本品採用最新生化配方，內含多種純天然植物精華，滋潤保濕因子，維他命e等營養護發成分，有效滋養頭發，補充水分，防止頭發乾燥，強化發質結構，修護受損發質，是專業沙龍和居家必備之品。
  6. ( 4 ) through the hydraulic property experiment of micro - hole lateral pipes of simple sdi in air, it was found that the average pressure of 60 mitre length lateral pipes was at the position of per 40o / o ~ ~ ~ 50 % of the effectual pipe length from the fist micro - hole, major pressure - loss was occurred at the ahead part of half pipe. the pressure uniformity reduced with orifice aperture ? increasing, and the relationship between pressure uniformity and initial water pressure was poor. running under the initial water pressure of 1. 5 meter, the discharge uniformity reduced with orifice aperture ? increasing, and when the orifice aperture smaller than or equal 1. 0mm, irrigation uniformity could achieve above 0. 6

    （ 3 ）通過對空氣介質中簡易地下滴灌的微孔毛管試驗研究發現： 60m管長的毛管平均壓力水頭的位置基本上在距第一孔口的有效管長40 - 45的地方；大部分水頭損失發生在毛管的前半部分；壓力均勻度隨孔徑的增大而減小，但與初始工作水頭關系不密切；在1 . 5m以下的工作壓力下運行，沿程出流均勻度隨孔徑的增大而降低，當孔徑不大於1 . 0mm時，灌水均勻度可以達到60以上；當孔徑大於等於1 . 2mm時，灌水均勻度低於50 。
  7. The kind of welding equipment is suitable forwelding the qarts in appplications of heat exchanger in - out water pipe port of electical heater and hot pipe fittings simple operation low lost and good seam foring are the advan tages. it is an essential and special equipment in the profression of tube - making electrical and solar water heaters

    該系列焊接設備適用於太陽能熱水器端蓋及水箱內受到影響上的進出水管、熱管接頭、電加熱器接頭及搪瓷水箱進出水管的自動化焊接，焊縫盛開有美觀、效率高、成本上升低，是制桶業、太陽能熱水器、電熱水器等行業必不可少的專用設備。
  8. The impulse type turbines are the best election for high head and small discharge hydraulic power resources. they have compact structure, small size, and high efficiency and need fewer investments. they have been divided into turgo and pelton type

    沖擊式水輪機是開發高水頭，小流量水力資源的最佳機構，它具有投資小，效率高，體積小，結構緊湊等特點。該機型又分斜擊式水斗式兩種。
  9. Applying the theory on hydrodynamics and combining the structure of the pump, the method of calculating the flux is found, using the simulating dual pump which mercury serve as the working medium, by the experiment on the electromagnet used in the dual pump, the optimum method of the coil connection is gained ; by the experiment on the relation the static pressure and the working parameter in different groove structure, a high - efficiency groove structure named as " + " shape are devised ; by comparing the static pressure and flux between single pump and dual pump, the conclusion that the flux of dual pump is about 1. 6 times as much as the flux of single pump is educed, and prove it practical that the dual pump is adopted to increase the flux

    利用水銀為工作介質的雙聯電磁泵，通過對雙聯電磁鐵不同接法的實驗研究，找到最佳激磁線圈接線方法；通過對不同流槽結構的靜壓頭與工作參數關系實驗，研究得出一種高效率的新型流槽結構? ?十字型流槽結構；通過對單泵、雙泵的泵高和流量實驗，得山了在同等工作條件下，雙泵流量大約為單泵的1 . 6倍的結論，從而證明了採用雙聯泵的方法來提高直流電磁泵的方法是切實可行的。
  10. Chemical industry information not merely embodyed the ordinary chemistry information substance, chemistry manufacture technological process and representative installation introduction are still have, in case contacing legal institutions sulphuric acid ? nitric acid industry system law ( ammonia oxidate law ), synthetic ammonia industry, chlorine and caustic soda are manufacture to electrolysis salt water, along with electrogilding, refine aluminium, iron - smelting and steel - smelting, cement and glass manufacture summarized account, the mineral oil is refined, hence, the chemical industry information education is contrastd against the ordinary chemistry information education, proper such representative means, be living, the means interpreted is in speech oridinarily wholly adoptd in the chemical industry information education, now most of tutors also is adopt the means interpreted in speech, cause that the chemical industry information education is insipid like this, student lack interest to chemical industry information study, but as a result of value the pair foundation, light practice, student may say the become a mere formality to chemical industry information study o since multi - med

    化工知識不僅包含了一般化學知識的內容，還帶有化學生產工藝流程及典型設備的介紹，如接觸法制硫酸，硝酸的工業製法（氨氧化法） ，合成氨工業，電解食鹽水製造氯氣和燒堿，以及電鍍、煉鋁、煉鐵和煉鋼，水泥和玻璃的生產簡介，石油的煉制等，因此，化工知識教學與一般化學知識教學相比，應有其典型的方法。在過去，化工知識的教學一般都採用口頭講解的方法，現在大多數教師也是採用口頭講解的方法，這樣使得化工知識的教學乏味，學生對化工知識的學習缺乏興趣，又因重視雙基，輕實踐，學生對化工知識的學習可以說流於形式。由於多媒體的輔助教學的高效性、形象直觀性、新穎性和多樣性、人工模擬等特點，很適合化工知識的教學，應用多媒體教學化工知識可以解決目前存在的諸多問題，如：模型短缺、組織參觀活動困難、教育經費不足、學生不易觀察等。
  11. Under this trend, manipulating vessels becomes difficult more and more, particularly under the conditions of ship ' s entering or leaving the port > drawing alongside or leaving the wharf or mooring or leaving the buoy. because of the poor effect of the rudder as a result of the low vessels " speed and very limited space for operating, the operator ca n ' t manipulate freely the vessels and avoid the collisions with other vessels or obstacles only by their own power

    在這種趨勢下，對船舶進行操縱變的越來越困難，尤其是在進出港、靠離碼頭、狹水道航行、系離浮筒等船速較小而舵效較差、操縱餘地又極為有限的情況下，僅僅依靠船舶自身的動力性能對其進行操縱，並要與他船或障礙進行有效的相互避讓，更是如此。
  12. Based on experimental result of energy dissipation and scour protection for downstream of spillway at yu jian kou power station, this paper discusses the flow characteristics, aerated characteristics of flaring gate pier for low dam pivot, the influence on pressure of dam surface and the result of energy dissipation for flaring gate pier. it is put forward to be an available method to solve the problems of energy dissipation and scour protection for depth of covering strata, poor geologic condition and weakness of resistance to scour capability under reasonable use of flaring gate piers and auxiliary dissipaters. thus, a new method is obtained for release of floodwater and energy dissipation of low dam pivot which are provided with low water head, great unit discharge and low froud coefficient. it may be used for reference for design and test workers

    結合魚劍口電站壩下消能防沖試驗研究成果，對低壩樞紐寬尾墩的水流特點、摻氣特性、寬尾墩對大壩泄流能力和壩面壓力的影響以及寬尾墩的消能效果等問題進行了初步探討，提出了合理地使用寬尾墩結合輔助消能設施可有效地解決壩下覆蓋層深，地質條件差，抗沖能力弱的低壩樞紐的消能防沖問題，從而為具有低水頭，大單寬流量，低佛氏數特點的低壩樞紐泄洪消能開辟了一條新途徑，可供有關低壩樞紐設計與試驗工作者借鑒與參考
  13. The study on the comprehensive evaluation of agricultural science and technology park : ( l ) the study on the benefit evaluation. this study choose ten indexes by adopting principal components analysis method to analyse and evaluate the benefit of the national agricultural science and technology parks ; ( 2 ) study on the comprehensive evaluation index system of china agricultural science and technology park, ( 1 ) the scientific evaluation index system. the study established synthetic evaluation indices system of agricultural science and technology park from the aspects of the basic condition and ecological environment, macro - development, the construction effects and the development conditions of tap - enterprises ; the weights were determined by using improved hierarchy analysis method

    農業科技園區綜合評價研究： （ 1 ）國家農業科技園區效益綜合評價研究本文選取10個技術經濟效果指標運用主成分分析方法對部分國家農業園區2002年的效益進行綜合評價； （ 2 ）農業科技園區綜合發展水平評價研究本文根據科研和經營管理的需要，從科學性和實用性的角度構建兩套農業科技園區綜合評價指標體系。科學性角度評價（綜合評價體系1 ）以科技成果轉化為切入點，從園區的宏觀發展、基礎條件和生態環境、科技支撐、產業帶動和人力資源培養及園區龍頭企業發展等方面創立了一套較為完整科學的園區綜合評價指標體系。
  14. Through repairing the worn parts of four hydropower stations of xinzhuang, zaoqi, suide and qiemo, and taking some comprehensive anti - abrasion measures, such as checking and repairing the runner blade, cutting the head of blade into round shape, adding an apron to the outer edge of blade and increasing a guiding plate in the head of blade, a good effectiveness has been gained so that it increases the output of generating unit and enhances the abrasion resistant capacity

    通過對新莊、棗渠、綏德、且末4個水電站的磨蝕破壞部件的修復、轉輪葉片測型與修型、葉片頭部割圓角、葉片外緣加裙邊、頭部加導流板等抗磨蝕措施的綜合治理，取得較好效果，使機組出力增加、抗磨蝕能力提高。
  15. It was also investigated and analysed on the styles of cross section in road green space, the rate of green space, the kind of green space, the quantity of plant spaces in green space, the format of planting. on the base of these, the planning designs of road green space in the blocks of heze city were also studied in combination with the practical situation which the city of heze were building to be a plain - plantation city with the flowers and water. the main results were as follows : 1. there were some problems about road green space in blocks of heze city, which were detected and researched. ( 1 ) the rate of road green space was low and the styles of cross sectionin road green space were simple

    本研究以菏澤城區道路綠地及街頭綠地為研究對象，對其綠地斷面形式、綠地率、綠地類型、綠地植物種類、數量、種植形式等現狀進行了全面的調查和分析，在此基礎上，結合菏澤近年創建以「花城水邑」為依託的平原森林城市建設的實際，對菏澤城區道路綠地規劃設計進行了研究，主要結果如下: 1 .菏澤城區道路綠地存在以下問題: （ 1 ）道路綠地率低，綠地斷面布置形式單一，中心島面積偏小; （ 2 ）植物種類少，景觀效果差; （ 3 ）植物配置形式單一，地方特徵不突出; （ 4 ）某些植物選擇不當，如遮陰功能差，影響交通安全等; （ 5 ）行道樹與架空線存在矛盾，影響樹木生長，景觀效果差; 2 .根據荷澤實際情況進行了城區道路綠地規劃設計研究: （ 1 ）提出了菏澤城區道路綠地規劃設計的依據、原則、總體布局、布局形式。
  16. The axial - flow turbine generator set is suitable for low head from 2m to 70. its feature is that the water flow passes through the runner axially. the axialflow turbine generator set can be classified into two forms according to the runner construction : one is fixed blades propeller for small variation of head and power, the other is movable blades kaplan for large variation of head and power

    貫流式水輪發電機組是低水頭大流量電站的較好機型，一般適用於水頭2 ~ 15米，其特點是水流從進水口到尾水出口都是軸向的，流道基本上成直線，因而貫流式水輪發電機組具有水流特性好，效率較高等特點。
  17. Seaweed hair conditioner adopt the essential of alga containing many kinds of vitamin, can ef - fectively adjust hair alimentation balance, clear old accumulate, and sufficiency supply alimentation and water, repair damaged squama, solve the bother of damaged hair, recur fine hair

    產品介紹：採用蘊含多種維化命群的海藻精華，獨特的柔潤雙重配方，能有效調發絲天然平衡，清除內部廢代謝聚積，並充分補充發質營養和水份，修復受損鱗片，解決頭發乾枯、分叉、扁塌等受損煩惱，重現秀發的柔光滑。
  18. Water loss and soil erosion is one of the most serious environment problems in china, which has slowed down the social and economic development in some rural areas. in some places of china, it has resulted in the arable degradation, soil desertification, filling up of irrigation works, and the increase of droughts and floods, etc. in consequence, the agricultural condition and ecological environment there become worse and worse. the causes of water loss and soil erosion include both unfavorable natural conditions and irrational land use, such as deforestation for cultivated land use. after analyzing the causes of soil erosion and its harms to the natural environment and human living, the author suggested some strategies for water and soil conservation, such as ecological engineering, reforestation and the application of biological technology

    中國是世界上水土流失最嚴重的國家之一，水土流失已成為我國的頭號環境問題.它不僅造成土地資源的破壞，導致農業生產環境惡化，生態平衡失調，水災旱災頻繁，而且妨礙社會經濟的發展和人民生活水平的提高.從自然條件和人為因素等方面出發，探討了我國水土流失產生的原因;分析了水土流失對耕地資源、旱澇災害、水資源利用、經濟發展等方面的影響;介紹了水土保持的一些有效途徑和措施
  19. Urbular turbine generator set is suitable for heads from 2m to 15m and large discnarge. its feature is that water flow is axial throughout the passage from the inlet to the outlet, so that the passage is straight conduit essentially. the tubular turbine generator set is characterized by good characteristic of water flow and high efficiency. etc

    混流式水輪發電機組廣泛適用於高中低各種水頭，一般從10米至300米，其特點是水流流經轉輪葉片時先沿著幅向進入，然後逐漸變成軸向離開，因而混流式水輪發電機組具有運行可靠，結構簡單，平均效率較高等特點。
  20. Abstract : based on experimental result of energy dissipation and scour protection for downstream of spillway at yu jian kou power station, this paper discusses the flow characteristics, aerated characteristics of flaring gate pier for low dam pivot, the influence on pressure of dam surface and the result of energy dissipation for flaring gate pier. it is put forward to be an available method to solve the problems of energy dissipation and scour protection for depth of covering strata, poor geologic condition and weakness of resistance to scour capability under reasonable use of flaring gate piers and auxiliary dissipaters. thus, a new method is obtained for release of floodwater and energy dissipation of low dam pivot which are provided with low water head, great unit discharge and low froud coefficient. it may be used for reference for design and test workers

    文摘:結合魚劍口電站壩下消能防沖試驗研究成果，對低壩樞紐寬尾墩的水流特點、摻氣特性、寬尾墩對大壩泄流能力和壩面壓力的影響以及寬尾墩的消能效果等問題進行了初步探討，提出了合理地使用寬尾墩結合輔助消能設施可有效地解決壩下覆蓋層深，地質條件差，抗沖能力弱的低壩樞紐的消能防沖問題，從而為具有低水頭，大單寬流量，低佛氏數特點的低壩樞紐泄洪消能開辟了一條新途徑，可供有關低壩樞紐設計與試驗工作者借鑒與參考
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