水力反應時間 的英文怎麼說

中文拼音 [shuǐfǎnyīngshíjiān]
水力反應時間 英文
hydraulic response time
  • : 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名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • 水力 : waterpower; hydraulic power水力剝離 [采礦工程] hydraulic stripping; strip with water; 水力采礦 hy...
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. It is shown that the effect of pac removing fluoride is closely related to ph value and the optimum range of ph value is between 6. 1 ? 7. 1. under this condition, further studies are made on the optimum coagulant dosage, mixing time, artificial turbidity, filtration rate and filter bed ' s depth and the optimum range of these parameters have been determined

    堿式氯化鋁的除氟能與原的ph值有密切的關系,除氟最佳ph值范圍為6 . 1 ? 7 . 1 。在此條件下,進一步對最佳投藥量、混合、人工輔助投加濁度、濾速及濾層厚度進行了研究,確定了其最優的取值。
  2. The welding technology of francis turbine runners is optimized from the view of subsection welding and local heating by numerical simulation. the result shows that welding residual tensile stress appears in the weld and its area nearby, and peak stress appears in the dangerous area of blades after practising quondam welding technology ; welding residual tensile peak stress in the dangerous area of blades can be decreased by welding both ends earlier and then welding middle section later during subsection welding, and decreasing effect on welding residual stress of the subsection welding is related to the weld length of blade outlets and welding direction of each subsection ; decreasing effect on residual stress of the local heating is direct proportional to heating time, heating temperature, heating area, and inversely proportional to cooling area, and welding residual tensile peak stress in the dangerous area is decreasing trend earlier, and then increasing trend later with heated location increased

    本文利用數值模擬手段對轉輪的焊接工藝從分段焊和局部加熱兩個方面進行了優化,結果表明:採用普通工藝焊接,葉片焊后殘余拉出現在焊縫及其附近區域,並且在葉片出邊的熔合線附近(危險區域)出現了峰值;在採用優化的分段焊,先焊兩端后焊中的方法可以降低葉片危險區域的焊接殘余拉峰值,降低效果與葉片出邊焊段長度、焊縫各段的焊接方向有關;局部加熱法降低轉輪危險區域殘余的效果主要與加熱、加熱溫度以及加熱面積成正比,與冷卻面積成比,並且危險區域的殘余隨加熱區域的增大呈先降低后升高的趨勢。
  3. Main conclusions drawn from the analyses of calculating results are as follows : ( 1 ) the microwave absorption of atmosphere gas have obvious attenuation at the wavelengths for cloud detection, thereinto, the water attenuation effect changes greatly, so the 94ghz cloud detecting radar should have water vapor attenuation correction scheme. ( 2 ) when 37ghz and 94ghz radars detect clouds, the difference between the atmosphere and cloud attenuation and the large variety of radar reflectivity conduce the intension of the radar backscatter signals change. ( 3 ) for the thin cloud layer and low water content of cloud, 37 - ghz radar backscatter signals are not as good as 94 - ghz radar, that is to say that the 94ghz radar has better capability in thin clouds detection

    本工作得出如下結論: ( 1 )大氣氣體的微波吸收在測雲波段產生明顯的衰減,其中汽衰減效變化很大;即將上天的空94ghz測雲雷達必須有汽衰減訂正方案; ( 2 ) 37ghz和94ghz雷達測雲,由於大氣和雲衰減不同和雷達射率的很大差異,導致雷達回波信號強弱不同; ( 3 )對雲層較薄、含量較少的雲,在不計雷達參數的情況下, 37ghz雷達回波信號不如94ghz測雲雷達,也就是說94ghz對薄雲有更強的探測能;對雲層較厚、含量大的雲,由於強衰減的作用, 94ghz雷達回波信號小於37ghz雷達; ( 4 )從大氣衰減的不利因素方面考慮,空94ghz雷達測高層薄雲的效果最好;測低層薄雲需要考慮氣體衰減訂正;因濃厚雲的強衰減作用,探測其中下部的能大大減弱,不僅要進行衰減訂正,而且要藉助其他信息來演整個雲層的含量垂直分佈; ( 5 )為了獲得從極薄到極濃厚雲的垂直分佈探測能,未來測雲雷達系統最好採用雙波長甚至三波長(如94 、 37和13ghz ) 。
  4. Barrier cracks cannot stop the extending of a fracture, and the strength of the sample is reduced by almost one magnitude because of the existing barrier cracks. there are great differences of ae distribution between specimens with non - penetrate crack and specimens with penetrate crack. as for penetrate crack, ae occurs near the two end of the crack, and for non - penetrate crack, crack, ae occurs near the two end of the crack, and for non - penetrate crack, ae occurs near the front edge of crack, which can be explained well by the theory of 3 - d fracture ; ae distribution near the outer part of collinear crack is similar with that of the end of penetrate crack, and inner part of collinear cracks will run - through with high loads

    關于預制裂紋系對巖石破裂的影響,集中討論了:空障礙體構造不能阻止主裂紋的擴展,而會使巖石的破裂強度降低近一個量級;由於構造的不同,非穿透切口樣品和穿透切口樣品的聲發射空分佈特點有本質區別,穿透切口樣品的微破裂在切口兩端發育,而非穿透切口樣品的微破裂在切口兩端之切口前緣處發育,這用三維破裂理論可以很好地解釋;含共線構造的巖石,裂紋外端的聲發射分佈與單裂紋構造中裂紋端部的聲發射分佈相似,裂紋內端聲發射有密集分佈,在達到一定,內端部發生錯斷,而不是貫通。
  5. The deformation of the structure mainly focused on the isolated layers and the superstructure shift as a whole. the interlayer displacement of the isolation system is far low. the earthquake effect of the base - isolated structure is dicided on the horizontal stiffness and elastic and plastic capability of the isolated layer, the base shear, the interlayer shear, th ' e interlayer displacement of the isolation system is far lower than the result of the base - fixed system under the same condition of the superstructure

    橡膠墊隔震結構在平地震作用下的以「整體運動」為主,結構位移主要發生在隔震層,上部結構的層位移很小。隔震結構的地震主要決定於隔震層的剛度和彈塑性性能。其中,隔震結構的基底剪,上部結構的層在多遇地震下,比不隔震均有所降低。
  6. The paper analyzes and summarizes the following laws of distinctive sediment yield produced in storm floods of the region based on predecessors ' study : storm is the main dynamic force of erosive sediment yield and storm, flood and sediment exist an inevitable relation ; the flood occurring time is concentrated with high peaks and huge volume, suddenly rising and suddenly falling and has decisive influence to the formation of a major flood peak in the middle yellow river ; the main reasons of concentrated coarse sediment of the river is severe erosive sediment yield, strong sediment transporting capacity and high sediment concentration ; the important influence of frequent or continued storm floods happened in he - long reach especially in coarse sediment concentrated region to the sediment transport of the yellow river and ; along with the increase of harnessing, regional flood trend is becoming smaller but the variation of sediment quantity is not obvious and the reaction of peak discharge and flood runoff of majority tributaries are not sensitive, showing that a general and normal engineering works can not effectively control regional major floods especially the sediment of an extraordinary flood

    摘要在前人研究的基礎上分析總結了該區特有的暴雨洪產沙規律:暴雨是侵蝕產沙的主要動,暴雨、洪、泥沙之存在著必然的關系;洪發生集中,峰高量大,暴漲暴落,對黃河中游大洪峰的形成具有決定性影響;侵蝕產沙強烈而粗泥沙集中,輸沙能強,洪含沙量高,是黃河粗泥沙的集中來源地;河龍區特別是粗泥沙集中來源區頻繁或連續的暴雨洪對黃河輸沙有重要影響;隨著治理平的提高,區域洪有減小趨勢,但泥沙量變化不明顯,大部分支流的洪峰流量、洪不敏感,說明一般規模和平的治理工程還不能有效控制區域大洪特別是特大洪的泥沙。
  7. Experiment shows that when the gas hydrate is obtained by spray, its induction time is generally shorter, its phenomenon is not obvious, setting of initial temperature and pressure with an autoclave has certain influence on induction time, but not obvious, water resources and spray nozzle have bigger influence on the induction time

    試驗表明,噴霧方式制取天然氣合物,誘導普遍較短,誘導現象不明顯;釜設定初始溫度和壓對誘導有一定影響,但不是很明顯;源和霧化噴嘴對誘導的影響較大。
  8. This paper reviews the design method of membrane bioreactor, including determining hydraulic retention time and sludge retention time, choosing sludge concentration and analyzing the process economy

    摘要綜合論述了膜生物器的設計方法,包括確定最佳停留、污泥停留、污泥濃度,經濟性分析。
  9. Consequencely, the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, and the back - analysis and the prediction of the parameters of the dam system have been done according to the operating observed data. the research work involves several aspects as follows : 1 ) a back - analysis model including the prior information and a predictive model of nonlinear time series were established ; 2 ) the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, in which the analysis module of the loading effects, the back - analysis module, the forecasting module of the physical parameters and the assessment module of the operating state were contained ; 3 ) according to the operating observed data, the operating state of the dam was assessed and predicted with the analysis system of the operating state, the results suggested that the dam is in basically normal operation at present

    具體工作有以下幾方面: 1 )收集整理漫灣電站大壩運行監測資料,並對其進行了系統分析,從觀測資料本身直觀的分析了大壩的運行狀況; 2 )總結位移分析的理論及方法,建立了考慮先驗信息多介質位移分析模型,基於神經網路非線性映射功能,建立了神經網路序列預測模型; 3 )以ansys軟體為平臺,開發了漫灣電站砼重壩運行狀態評價模塊,結合荷載效分析、參數演分析、參數預測分析三個模塊組成漫灣電站砼重壩運行狀態分析系統;實現了對漫灣電站運行狀態的動態「演-預測」分析; 4 )利用漫灣電站砼重壩運行狀態分析系統,在漫灣大壩實測資料分析、大壩砼特性參數分析、大壩砼彈性模量衰變規律及預測分析的基礎上,系統的分析並預測了大壩運行狀態。
  10. Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result

    西安理工大學碩士學位論文在平地震作用下,並考慮風荷載組合,分別對「矩形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體系,通過改變結構參數,運用空有限元方法,進行地震作用計算。系統地分析研究「結構振型」 、 「振動周期」 、 「結構側向剛度」 、 「結構地震」 、 「樓層地震剪」 、 「結構側向位移」 、 「層位移角」 ,以及「構件內」 。結果表明:在等面積原則下,異型柱代換矩形柱后,結構剛度增大,側向位移明顯減小,地震略有增加,框架柱軸壓比最大增幅小於8 % ,結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6,結構有利於抗震;平地震作用與整體坐標夾角為0度,結構地震作用效較大,屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐,側向剛度大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛度大、位移小,構件內增大適中,是一種抗震性能優越的結構體系:在抗震設防烈度較高地區( 8度)和抗震不利的建築場地( m類場地) ,採用異型柱結構體系盡可能減輕結構自重,降低地震作用;分別採用「振型分解譜」法和「程分析」法進行地震作用計算,兩種方法所得結果基本一致。
  11. Not only do we study the theories, but also study the party ' s line, general and specific policy, study the spirit of provincial 11th party representative conference and the important decisions of the municipal party committee and the city government, also enrich and raise ourselves with the all knowledge created by human beings and society, try the best to find time to study philosophy, politics, economics, law, history, literature, science and technology, study the new development of the world politics, economics and literature that show the modern world, do our best make our level of thought and knowledge suit the needs of the advancing time

    不但要學習理論,學習黨的路線方針政策,學習省第十一次黨代會精神和市委、市政府的重大決策,同,也要用人類社會創造的一切知識來豐富和提高自己,盡可能地抽出一些學習哲學、政治學、經濟學、法學、歷史學、文學和科學技術,學習映當代世界政治、經濟、文化新發展的各種新知識,努使自己的思想平和知識平適代前進的需要。
  12. In this thesis, the internal force and transfiguration of the double reticulated dome under different load combination are studied ; the linear and nonlinear analysis are separately performed ; compare the difference between space girder element and space truss element ; at last analyze the dynamical response under seismic action. the horizontal seismic response of double layer oblate lattice shell is analyzed by using step - by - step integration procedure. the effect of some parameters such as exterior load, different support conditions and damping ratio on the dynamic internal forces and dynamic properties is studied

    本文旨在研究雙層球狀網殼結構在各種載荷組合下的內和變形,分別進行了線性和非線性靜分析;進行了空梁單元和空桿單元兩種計算模型的比較;最後進行了在地震荷載作用下的動分析,動分析中用子空迭代法得出了這類空結構的動特性,用程法中的振型疊加法分析了結構在平地震作用下的動態響規律。
  13. All concrete structures are exposed to volume changes caused by hydration reactions in the early age. if the volume changes are restrained, stresses is generated which will cause cracking when it overcomes the tensile strength. as the mechanical properties of early age concrete vary with time, especially the creep degree depends on the time elapsed and the time at loading, to calculate the stress of concrete structure is a complex nonlinear problem. the finite element method ( fem ) can take account of the evolution of the stiffness properties, the development of thermal strain, creep, shrinkage and so on. in this paper, a general approach for numerically simulating this type of behaviour is presented firstly. then, how to solve this problem is introduced by the general finite element software ansys using the initial stress method. finally, a detailed description of an example calculation that demonstrates the potential of the numerical simulation strategy follows

    早期混凝土由於都會產生體積變化.如果體積變形受到約束就會產生,一旦超過混凝土的抗拉強度就會產生裂縫.由於早期混凝土的學性能是隨變化的,特別是徐變,它不僅與加載有關而且同隨齡期而變化,因此計算早期混凝土結構是較為復雜的問題.有限單元法不僅可以考慮混凝土剛度的變化,而且可以考慮溫度、徐變、收縮等因素.本文利用初法對通用有限元軟體ansys進行了二次開發,通過工程實例計算了高層建築地下室側墻早期混凝土的變化過程,並提出了相的抗裂措施
  14. Using sncl4 - 5h2o and sbcl3 as precursors, antimony doped tin oxide particles with good electrical properties have been prepared by hydrothermal synthesis. the optimal conditions of this synthesis process were as following : doping ratio was 11 % ; reaction temperature was 180 ; reaction time was 2h ; the temperature and time of calcinations is 700 and 2h. the size of ato particles obtained is about 20nm, and its resistance can reach 0. 2, under 0. 2mpa pressure

    在摻雜濃度為11 ,溫度為180 ,1mpa ,2h ,熱處理溫度為700 ,熱處理2h的實驗條件下制備的ato粉體,性能達到最佳,晶粒度在20個nm左右,在0 . 2mpa壓下粉體電阻值為0 . 2 。
  15. An improved distribution method of the horizontal lateral forces to the planar structures and a new one to the structures with torsional responses are presented. the example of the pushover analysis testifies the validity and feasibility of the studied distribution method, and the potentiality of the use of static pushover analysis method to irregular structures is also proved. the capacity spectrum method of the structural performance evaluation is discussed in this paper

    對鋼筋混凝土結構靜推覆分析( push ? over )的研究,主要討論了靜推覆分析中平側向的分佈形式,提出了一種平面結構的改進平側向分佈形式和樓層平面出現不可忽略扭轉的空結構的平側向分佈方法,並用推覆分析實例驗證了所提出的平側向分佈形式的正確性和可行性以及靜推覆分析適用於不規則結構的可能性,同也驗證了結構變形控制抗震設計方法的合理性。
  16. Finally, these departments ca n ' t establish the information system and logistic system which can quick respond to the customers relate to cost. quality deliverable our country economy system is changing, it is changing from socialism planning economy to market economy. it is very important for us to research the supply chain management, we can learn from the foreign country " s enterprise practice. our goal of use of scm is controlling inventory, improving supply quality and strengthening the competitive capability

    我國航空企業特別是材料采購在傳統計劃體制與運作模式下,多數是自成一個封閉系統,不重視對供鏈的管理;製造商、供商和經銷商缺乏長期合作的戰略夥伴關系,相互之缺乏以信任和共同獲利為基礎的價值鏈,沒有形成滿足顧客在成本、質量、交貨等方面的要求而映敏捷的物流和信息流。我國正在由計劃經濟體制向市場經濟體制轉變,研究國外近來發展迅速的供鏈管理理論與方法並用於gj航空公司的實際,對控制庫存、提高服務平、增強市場競爭能,有重要的現實意義。
  17. When treating patients who continue to be effected by earth radiation during periods of sleep or work, response to treatment tends to be slow or uneventful, however when their home or work place is neutralized, the geopathic stress conditions resolve themselves and the body begins to heal

    當治療病人候,病人在睡眠或工作期繼續受到地球輻射的影響,治療往往是緩慢或效果一般,然而當壓制他們的住家或工作場所的不良輻射的候,風條件解決了,他們自己和身體開始治愈。
分享友人