正水頭 的英文怎麼說

中文拼音 [zhēngshuǐtóu]
正水頭 英文
positive head
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 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. The winter aconites have got mixed with the snowdrops and crocuses and look like being overtaken by the daffodils

    冬季的烏頭和雪花、藏紅花混長在一塊，可看起來好像正在為水仙花所壓倒。
  2. The insulin - like growth factor - 2 ( igf - 2 ) and igf conjugated protein - 6 ( igfbp - 6 ) mrna level in rat calvaria bone tissue and mc - 3t3 - el cells were detected by northern blotting analyses and reverse transcription polymerase chain reaction. the estrogen responsive element ( ere ) in igfbp - 6 gene promoter was identified and involved in tcdd - reduced regulation of the gene expression by electromobility shift assays ( emsa )

    正常胎鼠頭蓋骨組織igf一2mrna呈高水平表達狀態，而igfbp一6mrna的水平較低; ccf胎鼠頭蓋骨骨組織內igf一2mrna的表達較正常胎鼠降低， igfbp一6mrna的表達則明顯升高; atra和e :聯合應用時， atra可以抑制雌激素對細胞內igf一2和igfbp一6的這種調節作用。
  3. That worthy, picking up the scent of the fagend of the song or words, growled in wouldbe music, but with great vim, some kind of chanty or other in seconds or thirds

    那位大人物正把傳入耳中那歌詞的只言片語荒腔走調地低吼成水手起錨的調調。雖然整個旋律的音程都偏離了一兩個音，可勁頭卻來得十足。
  4. Then i turned and went down chesnut - street and part of walnut - street, eating my roll all the way, and, coming round, found myself again at market - street wharf, near the boat i came in, to which i went for a draught of the river water ; and, being filled with one of my rolls, gave the other two to a woman and her child that came down the river in the boat with us, and were waiting to go further

    於是我轉個彎，經過栗子街和胡桃街的一段，在路上吃那一卷東西，兜一個圈子，發現我又在市場街碼頭，離開我剛來時停船處不遠，我到那裡去喝一點河水，我的三卷中的一卷已塞滿我的肚子了，於是就把另外的兩個給一個婦人和她的孩子，她是和他們一齊來的，正在等著到更遠的地方去。
  5. Thus it can effectively alleviate water crisis, valid prevention and cure water pollution and the further depravation of the ecosystem environment, carrying out reasonable, efficiently of the water resources utilization, install and valid protection, so it will get the best social, environment and economic performance and carry out water resources utilization, economy, society, resources and environment of diapason unify

    正由於條塊分割、責權交叉、政出多門以及水系割裂、形成了「多龍治水」 、 「多龍管水」 、 「多頭搶水」的局面，很難實現水資源的統一管理和合理的優化配置與保護，阻礙著水資源的可持續利用與經濟、社會、資源、環境的協調持續發展。
  6. Along the central axis there are the porch, entrance hall, middle hall, main hall, the first chamber room, the second hall and the second chamber room. each hall has an entry and between two halls there is an open lane tianjing, on which a little attic with a wing or dormer window is constructed for skylight and air circulation

    中軸線由前而後，依次為門廊門廳轎廳正廳頭房二廳二房，每廳為一進，廳之間用小天井隔開，天井上加小屋蓋，靠高側窗水窗或天窗採光通風。
  7. Along the central axis there are the porch, entrance hall, middle hall, main hall, the first chamber room, the second hall and the second chamber room. each hall has an entry and between two halls there is an open lane ( tianjing ), on which a little attic with a wing or dormer window is constructed for skylight and air circulation

    中軸線由前而後，依次為門廊、門廳、轎廳、正廳、頭房、二廳、二房，每廳為一進，廳之間用小天井隔開，天井上加小屋蓋，靠高側窗（水窗）或天窗採光通風。
  8. Modification of formula of head loss for long - throated flume

    長喉槽水頭損失公式的修正
  9. ( 5 ) it was more precise for using darcy - weisbach formula to calculate the hydraulic pressure slope curve in the lateral line, but too complexity. although i - pm wu formula is simple, the estimated results were not agreement with the measured data. a coefficient including irrigation uniformity was presented to modify i - pal wu formula, and the results were agreement after using the coefficient

    （ 4 ）利用達西?韋斯巴赫公式計算微孔毛管的沿程水頭損失具有較高的精度，但計算復雜，吳義伯公式計算雖較簡單，但在灌水均勻度較差時誤差較大，為此對吳義伯公式進行了修正，提出了修正系數的計算經驗公式，取得了良好的結果，為簡易地下滴灌工程設計中水力計算建立了簡化公式。
  10. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討，取得以下主要成果：一、結合小灣工程導流洞改建，對高水頭（ 252m ） 、大泄流量（ 1400m ~ 3 s ）條件下旋流式豎井中的水流運動特徵進行了比較全面的測量，包括空腔形態、徑向流速分佈及井壁壓強等；二、提出了豎井空腔段螺旋水流水力計算方法，其計算結果與實測值吻合良好；三、利用試驗與計算結果，對旋流式豎井的消能機理進行了探討，對豎井各部分的消能能力有了總體認識；四、對豎井下部消力井的合理井深進行了優化試驗研究，發現消力井合理深度為0 . 9d左右；五、通過試驗研究，歸納出豎井水流總摻氣量估算方法，為導流洞排氣方案的設計提供了參考依據；六、在高水頭、大流量條件下，豎井空腔段下部流速很高，盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓，但空化數依然較低，因此豎井的空化空蝕始終是工程界關注的重大問題。
  11. With the further economic growth and the implement of development of the western regions, hydroelectric construction in our country is undergoing rapid growth, anumber of high - dam power - station is in building or in programming. in view of its higher - head and larger magnitude of spill structure outlet, it is difficult for conventional concrete or reinforced concrete structure of pier and pier room to support its vast water pressure. coupled with the improvement of prestressed method, it has been the noteworthy tool in solving the problem

    隨著我國經濟的加速發展及西部大開發戰略的實施，我國水電事業也迎來了迅猛發展的大好時機，一批高壩水電站正在建設或規劃之中，其泄水建築物孔口及水頭愈來愈大，常規混凝土或鋼筋混凝土閘室閘墩結構難以承受如此之大的水推力作用，隨著預應力技術的成熟，這一技術已成為解決該問題的關鍵技術措施之一。
  12. Based on the lab orthogonal tests, using self - manufactured constant head permeameter, the effect of gravel content, void ratio and particle shape on the coefficient of permeability of soil - rock - mixture was studied

    本文採用室內正交實驗，利用自製的常水頭滲透儀，研究了礫石含量、孔隙比和顆粒形狀3個因素在不同水平下對土石混合體滲透系數的影響。
  13. We re catching up with heaven. we re catching up with the more exciting and more advanced planets

    我們正趕上天堂的水平，正迎頭趕上那些較高等較先進的星球。
  14. The illustration is by hand to express, quote from this literary reference of “ the head hangs the beam, the zhui stabs ” of ancient times, but the ancients cloud : " in the book there is gold house ", an monster is binding the hair to try very hard to studying on the ceiling, there is a large number of gold ingot in front of him, but his is die of have eyes fixed on this gold, still stay the exit water in mouth, take the irony meaning, deliver the deep province of person, attack current education system in china not perfect, the examination is hardly limited the student ' s imagination and creative ability

    用手繪插畫的形式來表現，引用了古代「頭懸梁，錐刺股」的這一典故，而古人云： 「書中自有黃金屋」 ，一個怪人正把頭發綁在天花板上拚命讀書，在他面前的是一堆金錠，而他的眼睛正在死死的盯住這堆黃金，嘴裏還留出口水，帶有諷刺意義，發人深省，抨擊了中國現行的教育體制的不完善，功名考試極大的限制了學生的思維和想象力。
  15. Corresponding to the correct water hammer mathematic model ( 3 ), the character difference equation is by comparing the new mathematic model with the old mathematic model, the last calculative part of paper argues the falseness of the current water hammer mathematic model, makes use of the improved character line method to analyze the correct mathematic model ( 3 ), studies all kinds of facts " impact on water hammer pressure value and water hammer phenomenon attenuation, points out that, in the long pipeline system, the subarea calculation of head loss along with flow rather influences the calculative results of water hammer pressure, advices to take the subarea calculation of head loss along with flow into account in the water hammer calculation of the long pipeline system

    對應于正確的水擊數學模型（ 3 ）的特徵差分方程形式如下c ，弓+吼川一c ，唱一幾弓扮幾rv另卜川= o幾代+吼川一幾唱一吼嶸{一c :腳丸}唱} ? 「本論文在最後的計算部分，通過對新老數學模型的數值計算比較，進一步論證了當前水擊數學模型的不正確性。並且應用改善了的特徵線法對正確的數學模型（ 3 ）進行了計算分析，研究了各種因素對水擊壓強值和水擊現象衰減的影響，指出在長管道系統中，沿程水頭損失的分區計算對水擊壓強的計算結果影響較大，建議在長管道系統的水擊計算中應按分區進行沿程水頭損失的計算。
  16. The numerical simulation and experimental research made on the characteristics of the clearance cavitations in kaplan turbine are described herein ; in which the analysis mainly is concentrated on the characteristics of leakage - vortex caused by the flow of the clearance between blade tip and blade chamber, that occurs at the front - pressure side of the blade, and the intensity of the secondary - flow - vortex ; furthermore, the relationship in between the leakage - vortex, secondary flow vortex, cavitations and erosion are analyzed as well

    摘要對軸流轉槳式水輪機輪緣間隙流動及空化特性進行數值模擬和試驗研究，重點分析輪緣間隙流動在正面頭部泄漏流動所引起的泄漏渦帶、二次流動的漩渦強度和空化特性，以及泄漏渦帶旋轉、二次流動的漩渦與空蝕和磨損之間的關系。
  17. New zhengzhan machine co., ltd locate the chinese stone material produces base china. head of water, is a to be engaged in to produce a business enterprise of high - tech development that each kind of stone material processes the equipments exclusively

    正展機械有限公司，位於中國石材生產基地中國.水頭，是一家專門從事生產各類石材加工設備的高科技研發型企業。
  18. In this article, through lab and engineering site trials that the physical data of new type pipe materials is corrected, the results are as follow : ( l ) the expansion coefficient of new plastic pipe materials is more large than that of iron pipe. ( 2 ) new plastic pipe materials have different heat - resisting character and according to the water temperature to choose pipe materials ; ( 3 ) the loss of head of water for new type pipe materials is more smaller than iron pipe and also correct the loss of head of water that calculated by theory ; ( 4 ) probing into the press - resistance character of new plastic pipe materials

    本文通過試驗室試驗及工程現場試驗，對新型給排水管材的幾個重要的物理性能參數進行實驗測定，糾正了以往的錯誤認識。研究結果表明： （ 1 ）新型塑料管材線脹系數遠遠大於鋼管和鑄鐵管，設計和施工中要嚴格考慮管道的伸縮； （ 2 ）新型塑料管材耐高溫性能各不相同，需根據管內水溫選定管材； （ 3 ）新型管材水頭損失遠小於鋼管，並對原水頭損失計算公式進行了修正； （ 4 ）對于塑料管材的耐壓性能進行了探討。
  19. The next day, when i went to the restroom in the early morning, i saw a brother using just a broom and shower water to clean the floor inside the bathroom

    第二天清晨我去洗手間時，看到一位師兄正在利用浴室里噴水頭的水和一個掃把在清掃浴室里的地面。
  20. Theoretical analysis shows that the filtration behaviors of the deep bed, that are the head loss and turbidity of the effluence water, have the correlation o f l / d2 with the deep bed when the diameter of the filtration media is changed, if the depth of the deep bed is designed according to the relationship of l / d2, the filtration behavior of the deep bed will have a closer similarity with that of the original one

    理論分析表明，濾池的過濾特性，即濾池的水頭損失和出水濁度與濾池的l d ~ 2成正比。改變濾料粒徑后，按照l d ~ 2的關系來確定濾池深度，與原濾池的過濾特性將保持更為良好的相似性。
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