收縮水流 的英文怎麼說

中文拼音 [shōusuōshuǐliú]
收縮水流 英文
contracting current
  • 收 : Ⅰ動詞1 （把攤開的或分散的事物聚集、合攏） put away; take in 2 （收取） collect 3 （收割） harvest...
  • 縮 : 縮構詞成分。
  • 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...
  • 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...
  • 收縮 : 1 （由大變小; 由長變短） contract; shrink 2 （緊縮） concentrate one s forces; draw back 3 take u...
  • 水流 : 1. （江河） rivers; streams; waters2. （流動的水） current; water flow; fluent; flow; [水文] stream current
  1. Combining with practice of china ' s uranium ore heap leac hi ng, this paper proposes main ways and suitable technologies in the fields of emp hasizing feasib ility research, adop - ting strengthened technologies, improving equipment le vel, op timizing control technological factors and developing application range and so o n, which include adopting acid - curring and ferric sulphate - tric kle leaching process, bacteria heap leaching, countercurrent heap leaching, sele cting advanced material of heap bottom, developing large mechanized heap constru ction equipments and methods, popularizing drip i rrigation distributing solution, optimizing heap leaching process parameters, as we ll as developing recovery equipments suited to heap leaching, etc, in order to i n crease leaching rate, reduce heap leaching period and achieve more economic bene fits

    結合我國鈾礦堆浸實際，在重視堆浸可行性研究、採用強化堆浸技術、改進堆浸裝備水平、嚴格工藝條件及拓寬堆浸的應用范圍等方面提出一些有效途徑及適用技術，包括採用拌酸熟化-高鐵淋濾浸出、細菌堆浸、制粒堆浸、逆流堆浸，選用優質底墊層材料，研製大型機械化築堆方法和設備，推廣滴灌式布液，優化堆浸工藝參數，以及開發堆浸相配套的回收設備等，以提高浸出率、縮短堆浸周期，獲得更大的經濟效益。
  2. After bfs is put into high strength superplasticized expansive concrete ( substituted for cement ), autogenous shrinkage does n ' t appear in 1 day standard curing, and e2 in 14 day ' s age is higher than that of high strength superplasticized expansive concrete without bfs in the same age

    高強流態膨脹混凝土摻入磨細礦渣（等量替代水泥）后，標準養護1天未出現自收縮， 14天的限制膨脹率明顯高於未摻磨細礦渣的高強流態膨脹混凝土的對應值。
  3. Abstract : through a series of hydraulic model tests for researching actual power tunnel operation, a conclusion is reached that in order to get a better flow pattern the profile of the wate - carrying structure should be adapted to the variation of water streamline shrinkage, flow velocity and pressure intensity. the configuration and dimension of the kinetic energy dissipator should be selected carefully to make the water tunnel safe and reliable at different levels of diversion dischage

    文摘:針對實際工程中的發電引水隧洞運行的各種工況進行了水工模型試驗研究，指明要獲得良好的水流流態，過水建築物各部位結構輪廓的造型應適應水流流線的收縮、流速及壓強的變化；為使引水隧洞在各級引水流量下能安全可靠地運行，需慎重確定洞內消能工的體形和尺寸。
  4. Test results show that the flow regime is good in a head tank with a greater length of the outlet pond and a smaller contract angle, while the sediment deposition is heavy

    試驗結果表明，出水池長度較長，收縮角較小的高位井中的水流流態較好，但池內泥沙淤積程度較重。
  5. The air thermal cnergy water heater creates the new generation hot water cquipments. it makes use of the negative card promise successfully, drieing a hot pump with the elcctrie power. equiping through a hot pump medium of compesing parts evaporate a machine. hot pump, congealed machine and inflate valve, urge the work quality completes evaporationt absorb calories within air continuously compress compress congealed reduce expenses evaporate of the thermody name energy cirenlation proess, transfer the calories in the environment to the water thus in, transfer the in great quantities free calories in the air to the life to use a water in

    空氣節能熱水器是創新一代熱水設備，它成功地運用逆卡諾原理，用電能驅動熱泵，通過熱泵裝置中的構成部件-蒸發器，熱泵，冷凝器和膨脹閥，促使工質不斷完成蒸發（吸收空氣中的熱量）壓縮冷凝節流蒸發的熱力循環過程，從而環境的熱量轉移到水中，將空氣中大量免費的熱量轉移到生活中水中
  6. The symptoms preceding this include blurred vision, runny nose, tightness in the chest and constriction of the pupils

    死亡前的各種癥狀包括視力模糊、流鼻水、胸悶以及瞳孔收縮。
  7. Calculating water flow constract deepage with high order equation iteration method

    用高次方程的迭代法計算水流收縮水深
  8. Due to the influence of climate drought and human activities, the ecological environment of qinghai province is in an increasingly grave condition, namely, climate abnormal events occurring frequently, grassland degenerating, ground sanding, glacier shrinking, water level of lakes descending and river runoff decreasing, and so on. in the basis of extensively collecting and analyzing the data of qinghai ecological environmental factors such as climate, water resource and grassland resource etc., the further basic research is performed on the ecological environment characters of main climate factors, surface runoff, water resource, lcc and their correlation to coordinate with the basic, strategic and precursory research for the development of china west part and provide the scientific foundation for corresponding development both ecological environment and social economy, and persistent utilization of natural environment resource

    本研究針對當前在氣候乾旱化和人類活動的共同影響下青海省生態環境中氣候異常事件即氣象災害頻繁發生、草場退化、土地沙化、冰川萎縮、湖泊水位下降和河流流量減少等生態環境退化現象日益嚴重的實際，在廣泛收集和整理青海省氣候、水資源、草地資源等生態環境因子基礎資料的基礎上，對青海的主要氣候要素、地表徑流、水資源、植被的演替及其相互間的關系等主要生態環境變化特徵進行了基礎性的研究。
  9. The experiment data shows that the region with large surface gradients in longitudinal and horizontal direction locates at the vicinity of spur dike. backwater appear upstream the spur dike, and there exist a recirculation area at the same side downstream the spur dike

    實測水位資料表明水流縱橫向比降大的區域位於丁壩上下游附近，在丁壩的上游出現壅水，下游存在有收縮區和恢復區，離丁壩越遠縱橫向水位的變幅越小。
  10. The hukou waterfall on the huanghe river west of jixian county, shanxi, is formed when the river flows to the hukou mountains on the shanxi - shaanxi border and its 250 - meter - wide bed, sandwiched between the canyons on its banks, abruptly narrows into a trough 50 meters wide and 30 meters deep and falls down into a big stone - strewn pool

    當流至壺口時，寬約400多米的河床，突然收縮到四五十米，形成特大型馬蹄狀瀑布，河水似從一巨型壺口瀉下。主瀑布寬40米，落差近50米。
  11. Standard test method for open channel flow measurement of water indirectly by using width contractions

    使用收縮寬度法迂迴測量明渠水流流量的標準試驗方法
  12. Connecting to the model test, some suggestions, important for design, are put foward, for example, the chute width of intermediate outlet should be constant ; the optimum height difference of drop between intermediate outlet and surface outlet should be larger than the water depth at intermediate outlet ; and the type of drop should be changed with the characteristics of certain project

    結合試驗結果，提出中孔泄槽以等寬或微收縮為宜、表中孔最優坎高差應大於中孔水流的主流水深、跌坎形式的選擇應結合具體工程特點等建議。
  13. The author excogitated a kind of appropriative mud jacking material which is made up of cement, sand, fly ash, admixture and water. this material which was developed on the basis of large amount of tests has the proprieties of good self - flowing density, high earlier strength, non - segregation, non - weepage and non - contractility. especially, the author aim at dealing with pumping mud and earlier maintained developed a kind of high flow grade material which can meet the requirement of mud jacking

    本文研製了專用壓漿材料，採用水泥、砂、粉煤灰、外加劑和水混拌而成，通過大量實驗配製出的漿液具有自流淌密實性好、早期強度高、無離析、無泌水、無收縮的性能，特別是針對路面唧泥處理或預防性養護，板底脫空量較小，研製出高流動度材料，能滿足壓漿施工的需要。
  14. ( 2 ) validate whether the crest elevation can meet the require of energy dissipation and erosion prevention during the beginning period of flood discharge. ( 3 ) calculate the altitude of downriver cofferdam, and make it meet the require of energy dissipation and erosion prevention. ( 4 ) calculate some average velocity of flow through some sections, including contracted section in stilling basins behind upriver cofferdam, if the hydraulic jump happen in lower reaches of the river. the program will calculate the average velocity of flow of contracted section and the length of the apron

    主要設計內容包括：計算上游圍堰后消力池的尺寸；驗證泄洪初期壩面高程是否能夠滿足消能防沖需要；計算下游圍堰堰頂高程，使其滿足泄洪期圍堰和壩體過流的消能防沖和工程進度的需要；計算部分斷面平均流速，包括：上游圍堰后消力池中收縮斷面的斷面平均流速；壩首和壩末的斷面平均流速；當下遊河道發生水躍時，計算下遊河道的收縮斷面平均流速及需要鋪設護坦的長度。
  15. In this thesis a numerical model to solve the planear 2 - d depth - integrated flow ( dif ) has been established with irregular body - fitted mesh finite volume method and explicit maccormack predictor - corrector method and applied to the study of damming caused by a bridge pier under 14 working conditions varied with the combination of different pier shape. flow rate and contraction ratio

    本論文採用非規則貼體網格有限體積法和顯式maccormack預測-校正法求解平面二維水深積分方程，對明渠水流運動的數值模擬方法進行了研究，並且應用該數值模型計算了14種不同的橋墩體型、來流、收縮比的組合工況下的橋墩壅水問題。
  16. In this paper a date from some real projects are used to analyse the facors that will affect the energy dissipation and erosion prevention. such as flood discharge across the cofferdam, crest elevation, downriver cofferdam, roughness coefficient and the gradient of the surface of dam, and so on. in this paper, the program based on hydraulics is checkout by the tankeng waterpower project in zhejiang. the results prove that this program can be used to design any project where there is no obvious side shrinking phenomena

    本文結合工程實際對影響圍堰和壩體消能防沖的各種因素，包括過堰流量、壩面高程、下游圍堰堰頂高程、壩面糙率、壩面坡度等進行了分析，並藉助水力學知識和計算機語言編寫了圍堰和壩體的優化計算程序，並利用浙江灘坑水電站工程對所提出優化計算程序進行了驗證，證明了該程序在沒有明顯的側收縮的影響下，計算結果與實際情況較為吻合。
  17. Chinese scientists say that as the dam blocks silt heading downstream, the yangtze river estuary region, which includes shanghai, is shrinking and salt water from the ocean is flowing further inland

    中國的科學家稱，大壩阻擋了淤泥流向下游，使包括上海地區在內的長江入海口收縮，海洋的鹹水正在倒灌入內陸。
  18. The influence of the area contraction ratio of rotary flow generator on the hydraulic characteristics of level rotary flow has been investigated by the hydraulic model test of an internal energy dissipation tunnel

    摘要通過模型試驗，研究了起旋器出口面積收縮率對水平旋流泄洪洞水力特性的影響。
  19. Experimental study on the side shrinkage phenomena of flat gate on the condition of small opening

    平板閘門小開度時側收縮引起的水流現象試驗研究
  20. The constriction performance of vacuum electric arc at high current levels depends on the contact material and its operational principle. axial magnetic field ( amf ) contacts can prevent the vacuum electric arc from shrinking in the vacuum interrupters

    在大電流水平下真空電弧的收縮特性取決于觸頭的材料和工作原理，在真空滅弧室中縱向磁場（ amf ）觸頭能夠阻止真空電弧收縮。
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