水力特性線 的英文怎麼說

中文拼音 [shuǐxìngxiàn]
水力特性線 英文
hydraulic characteristic curve
  • : 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形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 水力 : waterpower; hydraulic power水力剝離 [采礦工程] hydraulic stripping; strip with water; 水力采礦 hy...
  • 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥為重點,對不同土地利用方式土壤肥徵進行量化分析,找出巖溶土壤肥差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、分含量等) ,化學肥退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放菌數量及總量)以及樣地土壤種子庫植物群落多樣等4個方面對重慶典型巖溶區的土壤肥徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. Abstract : propagation characteristics of r wave in a pavement structures are analysed in this paper. based on the propagation characteristics of r wave, the horizontal propagation wave is simulated by using r wave, the vertical propagation wave is also simulated by using body wave in calculating dynamic response of pavement structures. the availability and accuracy of dispersion curves measured by sasw in pavement structures is analysed by using the presented method used to calculate dynamic response

    文摘:利用有限單元法分析了道路結構的r面波傳播:在深度方向上衰減較慢,傳播較深,波動大.提出了在道路結構動響應計算中,利用面波來模擬平向傳播波,利用體波來模擬豎直向傳播波.通過算例來驗證該方法的可靠和精確,並利用這一動響應計算方法分析了道路結構表面波測試中所獲彌散曲的可靠
  3. The overhaul of power units are arranged in terms of peaking capacity balance and the power loads are dispatched based on the principle of equal incremental coal consumption rate in the new method, which is anticipated to solve the economic operation of the power system

    實際上,抽蓄能電站的容量效益與電網的負荷平、負荷曲形狀和常規電的比重有關,而節煤效益除與負荷平、負荷曲形狀有關外,還與電網的電源結構、火電機組的動有關。
  4. In this paper, the researching and developing situating at home and abroad on aseismic properties of the masonry structures are reviewed. aiming to the defects of the calculated formulas of the aseismatic shear strength of brick walls in the code for seismic design of building ( gb50011 - 2001 ) and the code for design of masonry structures ( gb50003 - 2001 ), through test on brick wall models between the single wall and the wall with flanges, restoring force characteristics, the behavior at failure of the brick masonry wall and the effect of longitudinal wall under cyclic horizontal loading were analyzed the aseismic capacity has increased by 31 % for wall with flanges, the rigidity and deformation of the wall has gone up greatly too. the conclusion that the effect of longitudinal wall should be comprised in the aseismatic formulas was proposed

    本文回顧了國內外關于砌體結構抗震能的研究與發展現狀,針對建築抗震設計規范( gb50011 - 2001 )和砌體結構設計規范( gb50003 - 2001 )中墻體抗震驗算公式中的不足之處,通過單片墻和帶翼緣墻在垂直荷載和平反復荷載作用下的對比試驗,研究了帶翼緣墻在平反復荷載作用下的恢復、磚墻破壞徵以及縱墻的影響等,翼緣墻的存在,主墻抗剪能可以提高31 ,剛度及變形能也均有較大提高的結論,墻體驗算公式中應當考慮縱橫墻共同作用的影響。
  5. ( 4 ) the running state and hydraulic property of the hydraulic automatic tilting gate with connecting lever and rolling wheel were analyzed. the open - door curve, start - up water level and shutdown water level were ascertained, then the influence of lower reaches of a river to the running of a tilting gate was analyzed

    ( 4 )析闡述了連桿滾輪式自動翻板閘門的工作狀態與,推求了閘門的開門曲、啟門位和回關位,並分析了下游位對翻板閘門運行的影響。
  6. In the rotor design, it makes a detailed calculation for all the geometry feature parameters including geometry dimensions, contact line length, blowhole area and flow cross - section area and the thermodynamic feature parameters such as cooling capacity, shaft power and so on

    在轉子設計方面,對全部幾何參數,包括幾何尺寸、接觸長度、泄漏三角形面積和面積利用系數等以及包括製冷量、軸功率等冷機組熱參數進行了詳細計算。
  7. This new technology changes from the traditional method by which the induced and compressor wheel separately are designed and produced to a new one by which the one - piece compressor is designed. on the basis of this new technology and the optimum blade profile, the performance of both the compressor and the turbocharger is largely improved. through the heating power calculation of the compressor, the analysis of the surge and the block of the compressor, the test - bed performance test of the turbocharger, the matching test of turbocharger and diesel engine, the propulsion test of the turbocharger on plateau condition, it is proved that the newly - designed compressor not only has high efficiency, but also improves the flow distribution in the high efficiency area so that the propulsion line can run through the high efficiency area

    主要內容包括:提出一種全新的壓氣機葉輪技術和概念,這種技術將傳統的導風輪和壓氣機分開設計、單獨加工改為整體設計、整體加工的單體葉輪;從增壓器與柴油機配機計算所得出的基本參數出發,通過對壓氣機進行熱計算,確定壓氣機的基本結構參數;再對葉型以及葉輪輪廓與葉輪罩殼的配合間隙進行優化,對新設計的壓氣機進行喘振和堵塞分析;通過增壓器平臺能試驗,驗證了新設計的壓氣機的平得到了較大的提高,達到了提高增壓器的整體平的目的;通過增壓器與柴油機配機試驗、以及增壓器用於高原條件下的牽引試驗,驗證了新設計的壓氣機不但具有高效率,還改善了高效率區的流量分佈,使牽引貫穿高效率區。
  8. Using ansys fea program to analyze the behavior of group pile under lateral load and some useful conclusion are got the result which are got in this thesis will be useful for the design and the use of the pile under lateral load 5

    本文通過實驗提出的對p - y曲計算公式的修正以及對單樁,群樁抗的有限元分析得到的結論對抗樁的設計和工程應用有一定的幫助。
  9. Abstract : aimming at the defects of the brick masonry norm, through test on masonry wall models, the monolithic spacial effect for longitudinal and lateral walls of brick masonry buildings is studied and suggestions of calculated formulas for seismic resistance design and analysis are proposed

    文摘:針對砌體規范中墻體抗震驗算中的不足之處,通過模型磚墻試驗,研究了帶翼緣墻在平荷載作用下的恢復、磚墻破壞徵以及縱墻的影響等,並提出了在墻體抗震驗算中應當考慮縱橫墻共同作用的建議
  10. In this paper, it is studied and analyzed characteristic of stress, distortion etc. of pipe liner structure combining dahuofang transport water tunnel practice project, tunnel boring machine construction, and it is considered that affects internal force of pipe liner for early stress of underground structure and digging load. in nonlinear finite element calculation model, folium cells have been simulated among pipe liner and pipe liner and wall rock. under varies load condition, it has educed that changing rule of stress, distortion and load characteristic pipe liner in kinds of wall rock tunnel by analysis and calculation

    本文結合實際工程,分析研究了大夥房庫輸隧道工程在採用掘進機施工方法的情況下,利用管片襯砌的結構應、變形等受,考慮地下結構初始應和開挖荷載對襯砌內的影響,採用薄層單元模擬襯砌管片之間、襯砌管片與圍巖之間的非有限元計算模型,通過分析計算得出不同荷載工況下各類典型圍巖段隧道襯砌管片受徵、應和位移變化規律。
  11. The whole dynamic finite - element analysis simplified based on 2d plane is performed to adapt engineering requires. the effect of both kinematic interaction and inertial interaction on pile - soil - structure systems within layered soil field is relatively comprehensively investigated. at the same time, the boundary effect of model, the horizontal dynamic features of piles and the nonlinear characteristic of slide and contact on the interfaces of pile - soil are considered too on the ground of no - element meshing technique applied for dimensional effect of piles in stratum - soils

    建立了以適應工程需要的基於二維平面動分析的簡化整體有限元模型;提出了能有效考慮樁尺寸效應的樁-土無單元劃分技術,在考慮了模型的邊界效應、樁基的平動和樁土界面的滑移、接觸非行為的基礎上,從時域內較為全面的研究了層狀土域中樁基上下部結構的慣相互作用和運動相互作用兩種基本效應。
  12. ( 2 ) some studies are made for the subject of various effects on wave propagation and ground motion of multi - dry, multi - saturated, and alternate dry and saturated soil layers. a comprehensive computer program is compiled, accounting for soil dilatancy, linear and non - linear constitutive relation, rigidity degradation and suiting to any combinations of soil layers, dry and / or saturated with different thicknesses, properties, continuity conditions at interfaces, and inputs at base and top boundaries. from the numerical results obtained for a quite large number of typical cases, some knowledge of general trends of response for, especially, the cases of alternate dry and saturated soil layers are gained both quantitatively and qualitatively

    ( 2 )對不含土層分層排列、飽土層分層排列、不含土層與飽土層分層交錯排列情況下對波傳播和地面運動的影響做了一些研究,考慮到土壤的剪脹和非本構關系,剛度退化等因素,編制了可適用上述各種情況和任意多土層(包括含或不含質不同、厚度不同、邊界連續條件不同等) ,在不同基底輸入或上邊界輸入作用下的通用分析程序,通過對相當數量的典型情況進行的分析計算,得到了一些趨勢的認識,別是對飽與不含土層分層交錯情況,取得了一些新認識。
  13. This software are compiled in vc + + computer language. the main function of the application is to calculate the load limitation of an air - cooling steam turbine - generator set under distinct flux of cooling water, environmental temperature and environmental wind speed, and the back pressure safeguard curve of the target steam turbine are considered

    應用軟體以vc + +為開發平臺,考慮了定汽輪機組的背壓保護曲,通過計算空冷系統的熱,實時給出當前環境溫度和環境風速以及循環流量下機組的上限負荷,從而指導機組的運行。
  14. The pore air pressure gradually goes up with the developing of axial strain in the process of the dynamic torsional shear test of loess, but the pore water pressure hold the line or goes up a little in the last. the stress - strain dynamic constitutive relationship of intact loess and man - made loess show the hyperbolic model. there are some remarkable differences of strength and strain between unsaturated loess and saturated loess

    研究結果表明:非飽和黃土在動扭剪試驗過程中,隨著軸向變形的發展,孔隙氣壓逐漸上升,而孔隙則基本保持不變或後期略有升高;原狀黃土和重塑黃土的應應變本構關系呈雙曲型;非飽和黃土和飽和黃土的強度及變形存在明顯差異;進而分析了含量、固結應和固結應比對黃土動的影響本文最後對非飽和土的有效應計算公式進行了討論。
  15. Therefore, study on dynamic properties of cement mixed pile foundations and the soil structure interaction during earthquakes is of great theoretical and practical importance in seismic design. this dissertation studies the static and dynamic properties of cemented composite foundations systematically through tests and parameters of duncan - chang model and hardin - drnevich model are generalized. the seismic acceleration is conversed and used as input acceleration through nonlinear method

    本文通過試驗系統地研究了泥攪拌樁復合地基的靜和動,得到了復合地基的靜duncan ? chang模型參數和hardin ? drevich非模型參數,採用非方法對地震加速度進行了反演並將之作為基巖輸入加速度。
  16. This paper analyses the problem of concrete cracking and leakage, and set up the model of the middle or low - strength steel slag anti - cracking and impermeable concrete ( acic ) on the base of the analysis. the four principles of water permeable resistance character, volume stability character, toughness and anti - chemical corroded character have been put forward for raw materials selection and durability design of acic, acic is designed by the theory of composite material and the theory of fiber - reinforced, and two series of acic, such as fly ash series and steel slag series, have been manufactured by means of mineral admixture, hybrid fiber and chemical admixture. hydrating heat, macro - mechanics quality, durability and microstructure of the acic have been researched

    本文對中低標號大體積混凝土滲透開裂問題進行了研究,從混凝土自身結構形成與經濟角度指出大摻量粉煤灰與膨脹劑復合配製大體積混凝土的問題所在,提出採用鋼渣微細礦粉配製中低標號防滲抗裂混凝土的思路,運用復合材料理論設計中低標號防滲抗裂混凝土,提出了低化熱、抗滲能、體積穩定、韌和抗沖磨能是中低標號防滲抗裂混凝土材料選擇和耐久設計的主要原則,採用鋼渣微細粉復合混雜纖維、化學外加劑的技術路,配製了適合於深殊環境中的大體積中低標號鋼渣系列防滲抗裂混凝土,對其進行、宏觀物理能、耐久和微觀結構研究。
  17. 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,分別進行了和非分析;進行了空間梁單元和空間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反應分析,動分析中用子空間迭代法得出了這類空間結構的動,用時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應規律。
  18. Abstract : in view of the general phenomena of insufficient resource utilization and inefficient unit operation, an optimal method of power plant economic operation which is fit for the operation characteristic of the small hydropower station has been presented in this paper. on the basis of actual power features of units, this method avoid errors for curve transformation and imitation as well as bring the indefinite factor arising from different combination way of diversion and tail - race system of hydropower station. it makes the calculation result more accurate and reliable. proved by practical application of the hydropower station, this method not only improves the technique content of hydropower station manage, but also promotes clearly economic benefit

    文摘:針對目前已建成的小型電站資源利用不充分,機組總體效率較低的現象,提出了一種適合小型電站運行點的廠內經濟運行優化方法,該方法以機組的實際動為依據,既避免了由於曲轉換和擬合帶來的誤差,又可以將電站引系統和尾系統由於不同組合方式所出現的不確定因素納入優化設計之中,使計算結果更加準確可靠.經實際電站的應用表明,該方法不僅可以提高電站管理的技術含量,而且使電站的經濟效益有明顯的提高
  19. To meet the necessity of engineering practice, this thesis carries out a research on the flow characteristics of the concrete abatise groups. after summarizing the present methods of bed resistance research, on the base of theoretic analysis, the contents, technical analysis and methods of the research are decided

    本文從河道阻研究入手,在進行河道阻研究方法綜述之後,指出當前研究中的一些熱點和難點及其與本文研究工作的關系;在理論分析的基礎上,提出了榪槎群研究的內容、技術路和研究方法。
  20. Nonlinear dynamic characteristic analysis of articulated tower platform in the deep water

    鉸接塔平臺的非分析
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