水力比 的英文怎麼說

中文拼音 [shuǐ]
水力比 英文
hydraulic ratio
  • : 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...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • 水力 : waterpower; hydraulic power水力剝離 [采礦工程] hydraulic stripping; strip with water; 水力采礦 hy...
  1. Because of the technical complexity of the turbine for the three gorges project and on the basis of several important technical problems which have been defined in the international bidding documents for 14 generating units in the left bank power station, the owner of the project has decided another some important technical problems based on appraisal and comparison in the bid appraisal stage after the bidding documents are analyzed and the tender documents are cleared by the tenderers

    由於三峽工程輪機技術上的復雜性和挑戰性,在左岸電站14臺機組國際招標文件已明確了若干重大技術問題的基礎上,在機組議評標階段,對招標文件進行分析和投標商對投標文件進行澄清說明后,經評議選,業主又決策了幾個重大技術問題,主要有:輪機設計頭的確定,負傾角葉片輪機的應用,兩套設計,舍棄初期轉輪,蝸殼進行壓試驗等。
  2. The researches indicated : ( 1 ) the seepage flow field of infiltration diversion is characterized by three - dimensional, saturated and steady flow. there is the close hydraulic relationship between the river and the groundwater in the filtering bed, and the groundwater is confined

    研究表明: ( 1 )滲濾取的滲流場具有典型的飽和三維穩定流特徵;滲濾取濾床中地下與河流的聯系較緊密,濾床中的地下處于承壓狀態。
  3. ( 4 ) the maximum water quantity becomes greater, the better is the filtering bed permeability, the higher the river hydraulic conductance, the higher the river level, the larger the water - collecting area and the bigger the distance between collecting pipes. the water quantity varies directly with drawdown

    ( 4 )濾床的滲透性能越好,河床傳導系數越高,河位越高,取面積越大,取管之間的間距越大,則最大取量越大;位降深與取量成正關系。
  4. In large multi - heat source fluid cooling system, water power maladjustment is very severe

    大型、多熱源的冷卻系統中,存在較嚴重的失調現象。
  5. It may be a modified stoma with the guard cells permanently open so that water is lost passively by hydrostatic pressure, as in sea lavenders ( limonium ), or a glandular hair from which water is actively secreted, as in runner bean ( phaseolus )

    這可能是由於氣孔的保衛細胞永久張開而使分在靜的作用下被動排出,如海薰衣草(補血草屬) ;也可能是由腺毛主動分泌分到外部,如紅花菜豆(菜豆數) 。
  6. The ratio of domestic sewage to textile wastes has no appreciable effect on the treatability.

    生活污與紡織廢例對處理能無明顯影響。
  7. The flow behavior of resin, water outlet structure at bottom of the mixed bed, water inlet position of hydraulic transportation, water intake ratio, and pneumatic transportation etc. have been analysed, giving out optimal selection of them combined with reality in the field

    對樹脂的流動性能、混床底部出結構、輸送進位置、進例以及氣輸送等進行了分析,並結合實際給出了最佳選擇。
  8. As with the evolution of the gymnastic rules nowadays, the action skill and the degree of difficulty are developing now and then, which requires more about the train level, competitive ability and the psychological bearing ability of athletes

    隨著當今體操規則的改革,競技體操動作技術的難度在不斷地發展,這就對運動員的訓練平、賽能和心理承受能提出了更高的要求。
  9. 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頭、大泄流量情況時存在的一些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,對高頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的流運動特徵進行了較全面的測量,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有了總體認識;四、對豎井下部消井的合理井深進行了優化試驗研究,發現消井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井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、在高頭、大流量條件下,豎井空腔段下部流速很高,盡管流螺旋運動引起的離心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。
  10. Through direct pullout test, we examine the effect of the water to cement ratio, contend of steel fiber and silica fume on the bond behavior ; compare the bond behavior of two types of cfrp bars with difference surface treatment ( r1 bars and g1 bars ), and reprocess the one of inferior bond strength ; investigate the bond stress distribution along the bond length of cfrp bars, and assess the adequacy of some exist analytical models of bond - slip behavior to reproduce the experimental bond behavior

    本文主要通過直接拉拔試驗,考察、鋼纖維摻量、硅灰摻量以及cfrp筋的表面處理類型等材料參數對粘結性能的影響,並對粘結效果較差的cfrp筋研究了表面處理方法,以提高cfrp筋與rpc的粘結性能;通過在cfrp筋表面粘貼應變片,測定了粘結應沿cfrp筋埋長的分佈情況,並對現有的粘結滑移本構模型與試驗結果的擬合效果進行了較。
  11. Based on the result of the comparision static penetrat ion test and field vane shear test before and after the treatment of soft founda tions for a experimental section, and based on four static loading tests for two single piles and two composite foundation, behaviors of soil among piles before and after the construction of powder - spray piles and the pattern of the ch ange of the stress ratio between piles and soil are studied, a new determination met hod for bearing capacities of cement powder - spray piles and composite foundati on is proposed, and the formula for calculation of composite foundation bearing capacity are revised

    基於某試驗路段軟基處理前後靜觸探、十字板試驗的對測試和對兩根單樁、兩處單樁復合地基進行的4次靜載試驗,研究了樁間土性狀在施工泥粉噴樁前後的變化和樁土應的變化規律,提出了根據靜載試驗確定粉噴樁及其復合地基承載新的取值方法,並修正了復合地基承載的計算公式。
  12. Abstract : based on the result of the comparision static penetrat ion test and field vane shear test before and after the treatment of soft founda tions for a experimental section, and based on four static loading tests for two single piles and two composite foundation, behaviors of soil among piles before and after the construction of powder - spray piles and the pattern of the ch ange of the stress ratio between piles and soil are studied, a new determination met hod for bearing capacities of cement powder - spray piles and composite foundati on is proposed, and the formula for calculation of composite foundation bearing capacity are revised

    文摘:基於某試驗路段軟基處理前後靜觸探、十字板試驗的對測試和對兩根單樁、兩處單樁復合地基進行的4次靜載試驗,研究了樁間土性狀在施工泥粉噴樁前後的變化和樁土應的變化規律,提出了根據靜載試驗確定粉噴樁及其復合地基承載新的取值方法,並修正了復合地基承載的計算公式。
  13. 5. combining with field test, the author disputes load transfering mechanism and mode of failue about cement power - sprayed, and studies the relationship of n ( the stress ratio of piles to soil ) to load p. at last, the author summizes the factors to effect n

    作者結合現場試驗,對粉噴樁荷載傳遞機理和破壞模式作了探討,對粉噴樁的樁土應n與荷載平p的關系進行了研究,並對影響樁土應的因素作了歸納總結。
  14. The result indicate : the sx ( x axis radial ) thermal stress of concrete with low w / c ratio was more large than the sx thermal stress of concrete with high w / c ratio, the changement of the sx thermal stress of all concrete with different w / c ratio was less after adding mineral additives

    結果顯示:低混凝土的sx ( x軸徑向)溫度應,要大於高混凝土的sx溫度應,摻入礦物摻合料后不同混凝土的sx溫度應都變化不大。
  15. The hydrauli c model of gradual dike - break simulates numerically the 2 - d flow of gradual dike - break waves. it shows the variation of flow field on breach, and the complicated flow characteristic of the propagation, diffraction, reflection and deformation of the dike - break waves. the hydraulic model can realistically simulate the burst process of dike, and computational accuracy is satisfied with the engineering demands

    本文建立逐漸潰堤的模型首次對二維逐漸潰堤波的流動問題進行了數值研究,揭示了逐漸潰堤過程中潰口處流場的變化情況,以及潰堤波的傳播、繞射、反射及變形的復雜運動特徵,能較好地模擬實際工程中的潰堤失事,模擬較逼近於真實潰決過程,計算精度可滿足工程要求。
  16. It elucidates the grade and layout of the construction diversion structures, testifies the technical rationality and economic advisability that the alternative of the cofferdam uses to dam up the discharge ( p = 10 %, q = 275. 2m3 / s ) during the post - flood period, was made by hydraulic calculation, structural design, investment comparison, progress analysis and investment risk analysis

    文中說明了施工導流建築物的等級、工布置。通過學計算、結構設計、導流方案投資較、進度分析和投資風險分析,說明了四湖溝利樞紐工程採用圍堰擋汛后時段洪導流方案的合理性和經濟性,為施工決策提供理論依據。
  17. So according to the technology regulation of reclamation engineering, hydraulic calculation must be carried out in the design of final closure. this paper firstly introduces the progression and present situation of reclamation engineering, emphasizing on the features of present reclamation and on the experiences and theories of home and abroad ; using fortran perfects the hydraulic calculation program of the closure and makes the program to meet different conditions ( such as considering flood, the variation of time interval, multi - entrance, multi - reservoir capacity ), and after comparing and analyzing a great deal of schemes, the reasonable computation scheme was brought up ; the interface of the program was carried out by the programming language vb to make the process of calculation become easier and more distinct, so the result can be analyzed and handled more directly ; vb is used in the later management of the result to plot the graphic chart of the isoline of the maximum of hydraulic element ( the velocity of flow, the drop height and the rate of flow ) automatically ; finally it was applied in the reclamation project of dongbidao of fuqing

    本文首先介紹圍海工程的發展進程與國內外圍海的開發現狀,重點介紹了我國目前圍海工程的特點及在圍海工程實踐中積累的經驗和理論;利用fortran語言完善堵口工程龍口計算程序,使程序可以滿足圍海工程復雜工況下(如考慮內港洪、計算時段的變化、多口門、多庫容、多閘)的龍口計算,並進行大量方案的較和分析,提出合理計算方案;利用面向對象的可視化編程語言vb進行界面開發,使計算過程有良好的人機界面,更直觀地對計算結果進行分析和處理;計算結果的后處理採用vb編程實現龍口要素最大值等值線圖的繪制;並運用所編軟體對福建省福清市東壁島圍墾工程進行龍口計算,為堵口合龍提供科學依據。
  18. For the uf progress, the service pressure control below 0. 12mpa is quite reasonable. the best water flushing method is direction flushes - the recoil flushes - suitable flushes. the best flush time is 60 - 80s ; the best recoil washes current is about 2 - 2. 5 times of the produce water current

    2 .在超濾工藝中,操作壓控制在0 . 12mpa以下較合理;最佳沖洗方式為順沖-反沖-順沖;最佳的反沖洗時間為60 - 80s ,最佳的反沖洗流量為產流量的2 - 2 . 5倍。
  19. It is high performance concrete of low water - binder ratio. with its own gravity and without any vibration, it can fill up the space automatically. with high adding quantity of fly ash and slag, high quality water reducing agent and other compound admixture is the most important technology of this kind of high performance concrete. scc focus on high workability at the same time on high strength and high durability through choosing the composite of aggregate, additives, content of cementions material, admixture reasonably and the optimum design of mix proportion

    本文研究了採用吉林省本地原材料和常規生產工藝配製c40自密實混凝土的製作技術,採用、粉煤灰摻量、砂率、膠凝材料總量四個因素進行配合的正交設計,試驗分析了自密實混凝土拌合物的工作性以及硬化后的學性能、耐久性和生產與施工注意事項,並對其經濟性做出了客觀評價,本次試驗為吉林地區自密實混凝土的推廣應用提供了數據基礎。
  20. Hydraulic slope ; energy gradient

    坡度水力比
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