有效水頭 的英文怎麼說

中文拼音 [yǒuxiàoshuǐtóu]
有效水頭 英文
acting head
  • 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 ...
  • 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...
  • 有效 : effective; valid; efficacious
  • 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 latest hydrotherapy moistens the fomulation, repressing to have permanent wave effectively the enemy opponent hair results in the disservice, the paraquinones is naturally or the hair of nature book can rise to pull the straight action in a twinkling, can provide the ample nutrient for the hair quality at the same time with the of aqua, the deep lay moistens the hair silk, making cutin fast to come together, perpendicular nature, complement nourishment, bear heat, make very hot show behind the hair even shows a health follows to keep, float the moving

    最新水療滋潤配方，有效抑制燙發時對頭發造成傷害，對天生或自然卷的頭發能起到瞬間拉直的作用，同時能為發質提供充足養份和水份，深層滋潤發絲，使角質快速聚合，垂直自然，補充營養、耐高溫，令燙后秀發更顯行健康順直、飄逸動人。
  3. Tongbai county of henan province is one of the high - epidemic areas of bovine theileriosis. in 1985, gelatin - protected schizont cell vaccine for 20, 000 cattle was introduced. from ningxia institute of animal husbandry and veterinary medicine against theileria annulata. on the basis of regional tests, the vaccine was applied throughout 16 townships of the county. the annual investigation showed that the safety of the vaccine was 100 %. among the 15, 000 cattle ( including 4, 500 water buffaloes ) inoculated with the vaccine, only 3 cattle suffered from theileriosis. the incident rate was 0. 02 %. however of the 3600 un - inoculated cattle, 2060 heads suffered from the disease. the incident rate was 5. 7 %. the effective protection reached 99. 98 % with a significant social and economic effect

    河南省桐柏縣是牛環形泰勒蟲病流行的多發區，對養牛業危害十分嚴重， 1985年該縣從寧夏農林科學院畜牧獸醫研究所引進「蟲苗」 2萬頭份，在區域試驗的基礎上在全縣16個鄉（鎮）進行了大面積防疫注射，經年終統計表明：蟲苗安全性100 % ，注苗15000頭（其中有水牛4500頭） ，發病3頭，發病率0 . 02 % ；未注苗36000頭，發病2060頭，發病率5 . 7 % ，實際有效保護率達99 . 98 % ，取得了明顯的社會經濟效益。
  4. Abstract : tongbai county of henan province is one of the high - epidemic areas of bovine theileriosis. in 1985, gelatin - protected schizont cell vaccine for 20, 000 cattle was introduced. from ningxia institute of animal husbandry and veterinary medicine against theileria annulata. on the basis of regional tests, the vaccine was applied throughout 16 townships of the county. the annual investigation showed that the safety of the vaccine was 100 %. among the 15, 000 cattle ( including 4, 500 water buffaloes ) inoculated with the vaccine, only 3 cattle suffered from theileriosis. the incident rate was 0. 02 %. however of the 3600 un - inoculated cattle, 2060 heads suffered from the disease. the incident rate was 5. 7 %. the effective protection reached 99. 98 % with a significant social and economic effect

    文摘:河南省桐柏縣是牛環形泰勒蟲病流行的多發區，對養牛業危害十分嚴重， 1985年該縣從寧夏農林科學院畜牧獸醫研究所引進「蟲苗」 2萬頭份，在區域試驗的基礎上在全縣16個鄉（鎮）進行了大面積防疫注射，經年終統計表明：蟲苗安全性100 % ，注苗15000頭（其中有水牛4500頭） ，發病3頭，發病率0 . 02 % ；未注苗36000頭，發病2060頭，發病率5 . 7 % ，實際有效保護率達99 . 98 % ，取得了明顯的社會經濟效益。
  5. Net positive suction head

    凈有效吸水頭
  6. To avoid manual labor of chiseling - grossness, in the area of second - stage concrete construction, permanently non - removed metal molding boards nets are used as molding boards of first - stage concrete. substitution joints of reinforcing steel bars for traditional electric welding and usage of equipments for joints of reinforcing steel bars efficiently improve strength of junctions and rate of connecting reinforcing steel bars, and safety of construction and stability of quality, and greatly reduce cost. it ' s possible that three gorges project become top - ranking project in the world by study on systems engineering of high - strength concrete construction

    混凝土縫面處理採用高壓水流沖毛技術，大大提高了施工工效，減少了倉面污染；模板工程大量採用定型鋼模板施工技術，提高了壩體混凝土成型質量和工程進度；在二期混凝土施工區域，為免除人工鑿毛勞動強度，採用永久性免拆金屬模板網作為一期混凝土模板；鋼筋連接改進傳統的電焊連接方式，採用大量採用鋼筋接頭機械連接技術，有效提高了接頭強度和鋼筋連接速度，施工安全性大大加強，質量穩定性有效提高，經濟成本大大降低；三峽二期工程持續高強度混凝土施工系統工程的研究，使三峽工程成為名符其實的「世界一流工程」成為可能；三峽二期工程混凝土溫控綜合技術的應用，有效降低了壩體混凝土溫度的產生；混凝土表面處理及裂縫處理技術的應用，提高了建築物的整體性和耐久性。
  7. Pile - net composite foundation has some merit in building up the reinforcement of composite foundation simultaneous in vertical and horizontal directions, in enhancing the bearing capacity of foundation soil, and minishing the non - uniform settlement, especially controlling the phenomenon of vehicle dumpping on bridge head in the foundation treatment of transitional segments which is proved by practice

    摘要實踐證明，樁網復合地基同時具備豎向增強體復合地基與水平向增強體復合地基的加固優點，能很好地提高地基土體承載力，減小不均勻沉降，特別是橋頭過渡段地基處理中能有效控制「橋頭跳車」現象的產生。
  8. The availability of venture captial financing to young high technology companies has been a primary contributor to the dramatic revenue growth enjoyed by, and the increased competitiveness of, american ' s high technology industry and to the economic expanison and increased employment levels experienced in california ' s silicon valley and other areas of high technology company concentration

    為年輕的高科技公司籌措風險資本的有效性已經成為收入急劇增長，美國高科技工業競爭力增加，經濟規模擴大以及就業水平上升的主要因素，這在加利福尼亞州的矽谷和其它高科技公司的聚集地都有驗證.其中收入迅速增加讓美國高科技工業嘗到了甜頭
  9. 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。
  10. 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。
  11. ( 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 。
  12. 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。
  13. Through the utilisation of this energy, which is left unused by nature, an energy source is tapped, with whose help a part of our energy requirements can be covered, which would otherwise have to be covered by fossil fuels. the excellent properties of the hydro - dynamic screw are its minimal disturbance to the environment, the environ - mental friendliness and long service life. a capacity of 0. 1 to 5. 5 cubic meter per second and a head up to 10 m, enables it to utilise hydrodynamic powers which are ruled out for turbines for reasons of cost

    水力螺旋發電機同傳統的水輪機和渦輪機相比具有優越性，其對環境的影響很低，環境友好且使用壽命長，而且高達5 . 5立方米秒的水體輸送容量和高達10米的水頭使其可以充分的利用水能，只要有1千瓦的能量也可以利用，運行效率遠高於渦輪機，且投資和運行成本低於渦輪機。
  14. 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。
  15. Comparison of water level between measured and computation shows that the local head loss coefficient cannot give head loss by spur dike completely, and the effective area of passage is difficult to be ascertain. for this reason the two methods for water surface profile computation cannot predict the raise of water level upstream the spur dike accurately

    計算結果表明，局部水頭損失系數並不能完全反映出由於丁壩阻擋所帶來的水頭損失，而丁壩附近的有效過水面積難以準確地確定，這些導致前兩種方法均不能很好地計算出丁壩上游水位的壅高值。
  16. Longgang nature reserve plays an important role in preserving two langur species of both white - headed langur and francois langur. interview and field survey methods were used to survey the distribution and population size of these two langurs in this natural reserve from december 2001 to january 2002. the result indicated that the reserve has 8 groups of white - headed langur with 68 individuals in longrui and 10 groups of francois langur with 75 individuals in longgang. the distribution area and population size of both of the two langurs in this reserve have greatly declined in the past decades. they are seriously threatened and have high risk of disappearance from this reserve if no effective measures are to be taken at once

    為了確定弄崗自然保護區內白頭葉猴的種群數量，彌補黑葉猴種群數量的空白，掌握此保護區葉猴的生存現狀，採用訪問法和實地數量統計法相結合的方法對弄崗自然保護區的弄崗、隴瑞和弄呼3個部分進行深入的調查研究.調查結果表明，在隴瑞片范圍內，共有8群白頭葉猴，種群大小在68隻左右，和20世紀80年代末的244隻相比，數量下降相當驚人;在弄崗片內，共記錄到黑葉猴群10群，最大的種群為11隻個體，最小的種群是4隻個體，共計約有75隻黑葉猴（絕對數量統計） ;弄呼的黑葉猴種群已經于上個世紀的晚期消失.造成目前狀況的因素主要是過度狩獵和其他形式的過度干擾.弄崗自然保護區的葉猴種群數量已經接近可持續繁殖種群的最低水平，如不採取有效的保護措施，這個種群將很可能在短期內消失
  17. It concludes that percolation of roller compact concrete is of self - compactness by time effect under continuous action of water head and there may exist partial darcy flow regime in roller compact concrete under high water head

    認為在持續水頭作用下，碾壓混凝土的滲透具有時效自密性；高水頭作用下的碾壓混凝土可能存在偏達西流現象。
  18. 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
  19. Available pressure head

    有效水壓頭
  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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