靜水速度 的英文怎麼說

中文拼音 [jìngshuǐsùdù]
靜水速度 英文
still water speed
  • 靜 : Ⅰ形容詞1. （安定不動; 平靜） still; calm; motionless 2. （沒有聲響; 清靜） silent; quiet Ⅱ名詞（姓氏） a surname
  • 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...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  1. By hydraulic modeling, this paper describes studies on the stability of a floating bulkhead operating in standing water and flowing water, and it ' s hydrodynamic stability characteristics that distinguish in standing water from in flowing water ; and direct measurements of the forces acting on the model floating body during floating and sinking is taken. as a result, the rotation stress curves are produced and analyzed ; to provide data for optimum operation schedule analyses of the sluice, the relationship of the impact forces acting on the side wall of the gate and the running speed is studied ; the reasons of unstably uplifting of the bulkhead are discussed and the method to solve the problem is also given in this paper

    本文結合常州新閘防洪控制工程水工模型試驗，系統分析了浮箱門在靜水和動水中的穩定性及其影響因素，指出靜水穩性和動水穩性的不同特點；試驗測定了浮箱門動水運行時的受力情況，給出並分析了定位過程轉動力的變化過程曲線；根據浮箱門啟閉速度與門體和岸墻之間撞擊力大小的關系，選擇合理的動力設備，為設計和工程實踐提供可靠依據；分析浮箱門難以穩定上浮的原因，並給出解決方案。
  2. The method of wing shape optimization of space shutlle has been developed with penalty function approach in which the objective function is the mass of the wing and the constraints are the hypersonic re - entry flight cross range, lift / drag ratio, and subsonic flight lift / drag ratio, the margin of the longitudial static stability and the magnitude of the horizontal landing speed etc

    摘要介紹了在滿足高超音速再入橫向機動航程，高超音速再入飛行時的升阻比，亞音速進場飛行時的升阻比，縱向靜穩定性裕度和水平著陸速度等飛行性能設計要求下，用罰函數法尋求使航天飛機機翼質量為最小的外形優化方法並給出了算例。
  3. The test proves that the caudal fin oscillation frequency, the maximum amplitude of vibration of caudal fin, the caudal fin strikes the water angle influence the fish ’ s speed ; the curve experiment has obtained curve radius of inertia advance curve and static curve ; the ups and downs experiment proves that the pectoral fin on different angle influences the fish to move ups and downs

    加減速試驗論證了尾鰭擺動頻率、尾鰭后緣最大擺幅以及尾鰭的最大擊水角度對魚體速度的影響;轉彎試驗測得了機器魚慣性前進轉彎和靜止轉彎時的轉彎半徑;在機器魚的升潛試驗中論證了胸鰭不同轉角對升潛運動的影響。
  4. Theoretical analysis and testing results demonstrated that viton, a new substitute of the former plasticizer, could noticeably improve its performances, which has been proved as the important improvements of the mixture. due to the favorable thermochemistry performance, dicyandiamide can act as a good combustion - rate regulator. the addition of antistatic agent can desirably increase the antistatic capability of the mixture, and the testing results showed that the performance of the improved mixture was excellent

    理論分析和測試結果均表明了以氟橡膠取代耐水點火藥中原粘合劑將使藥劑的各項性能有明顯的改善，是耐水點火藥改進的重要方面；雙氰胺具有良好的熱化學特性，作為耐水點火藥改進中的燃燒速度調節劑具有很好的調速效果；抗靜電劑的加入，進一步提高了藥劑的抗靜電能力，測試分析表明改進后藥劑的性能更加優異。
  5. Auv ' s position control and velocity control are researched and s imulation experiment i s carried out at two situations : in blue and whisht water and in water with current and adding noise

    本文設計了auv位置控制器和速度控制器。並對深海靜水和有海流噪聲兩種情況進行了模擬試驗。
  6. Static models include terminal control model, oxygen - supplying model, slagging model and bottom blowing model ; dynamic models include decarbonization speed model, molten steel warming model and the model for the amount of refrigerant

    靜態模型包括終點控制模型、供氧模型、造渣模型、底吹模型；動態模型包括脫碳速度模型、鋼水升溫模型和冷卻劑加入量模型。
  7. 7. horizontal earthquake acceleration is used in this paper for slope risk analysis ; the relationship between the safety factors under the earthquake effect and non - earthquake effect is obtained. the reliability index is expressed by the safety factor

    7 、將地震力效應以水平地震加速度的形式引進土坡的可靠度風險分析中，探求動力作用下土坡的動力安全系數與相應條件下的靜力安全系數的關系，並以安全系數來表徵土坡的可靠度。
  8. Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical

    通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧的發展過程的試驗結果進行理論分析得出：弧根周圍空氣的熱電離導致了電弧的發展，靜電場力對電弧的發展起到了加速作用，電擊穿僅發生在閃絡最終的跳躍階段；通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等參數，得到了不同階段電弧（電弧起弧階段、電弧發展階段及完全閃絡）的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。
  9. Saturated sand are testes in the laboratory under the undrained cyclic loading condition with static - dynamic dual purpose triaxial compression test apparatus, which is designed under the cooperation of hohai university and marui co. ltd japan. the results indicate that the stress path approaches from a initial stress point to the failure lines as cyclic loading goes on, and eventually converges on a certain limiting stress path in the vicinity of the failure lines. the stress - strain curve, however, does not converge on a closed hystersis loop ; the shear strain rapidly increases in looser sand or gradually and continually increases in denser sand

    利用河海大學與日本圓井株式會社共同研製的新型的多功能靜動三軸儀進行了飽和砂土循環扭剪不排水試驗，研究表明，對于松砂，剪應變幅度快速地由微小增加到百分之幾甚至百分之十幾，對于緊砂，剪應變幅度逐漸地由微小增加到百分之幾甚至百分之十幾；經試驗初步研究表明用初始有效平均正應力歸一化的有效應力路徑很好的一致性。
  10. In order to make clear the changing situation about various meteorological element fields during the heavy rain. the diagnostic analysis in three aspects was done in this text : the vapor conditions, in which the difference of the temperature and dew point, relative humidity, vapor flux and the divergence of vapor flux were discussed ; the dynamic and thermodynamic conditions, vorticity, divergence and vertical velocity were analyzed ; the vertical layer condition, which included potential temperature, static stability, convective ( potential ) instability and the vertical profile of eight physical fields over the observatory of shenyang

    為了弄清這次暴雨過程各氣象要素場的演變情況，分三方面對暴雨的水汽條件（使用了溫度露點差、相對濕度、水汽通量和水汽通量散度） 、動力條件（使用了散度、渦度和垂直速度）和垂直層結條件（使用了位溫、靜力穩定度和潛在不穩定度以及沈陽單站的8個物理量的垂直廓線）等的變化，分別進行了診斷分析。
  11. Then the effect of the wind, the current and the wave are added in the numerical model to investigate the effect of each factor, especially for the wave with different sea states

    因此，在文中先於靜水對系纜位置、拖纜長度、拖帶速度等要素對拖帶系統航向穩定性及拖纜張力變化的影響進行分析，以了解拖纜系統的基本特性。
  12. There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor

    本文利用s7 - 200plc自身的特點設計了頻率測量單元，根據pid調節各個環節的特點，以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同，利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路，實現了水輪發電機組頻率的測量；在軟體上，對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析，選用改進的pid演算法實現了變參數、變結構的pid調節模式；調速器的機械液壓隨動系統具有步進電機電液轉換元件，採用五相反應式步進電機，根據其驅動特性設計了變頻調壓驅動器，實現plc與步進電機驅動器之間數字介面。
  13. The value of bp is dispersed. the particle velocity in streamwise direction as the particle rise is larger

    輕質顆粒向下的運動速度明顯大於其在靜水』上的沉速，出重顆粒則相反。
  14. The results of numerical experiments, using the four - dimensional variational data assimilation system of the nonhydrostatic mesoscale model mm5, show that : the tangent linear model and adjoint model conducted by keeping the " on - off " switches the same as the basic state, can provide a good approximation of the first - order information to the nlm perturbation and a good descent direction for the minimization procedure ; switching on and off at every other time step in the kuo cumulus parameterization scheme do n ' t impact the convergence rate of cost function ; the existence of the switches do n ' t impact improvement to the mm5 model rainfall prediction because that not only specific humidity, but also wind, temperature and pressure are assimilated into the model

    非靜力中尺度數值模式mm5的四維變分資料同化系統進行的數值試驗結果表明： 「開關」變量保持與基態一致，所構造的切向線性模式能夠提供關于非線性模式擾動的一階近似，伴隨模式所計算的梯度值能夠為最小化過程提供較好的下降方向；郭氏降水參數化方案中對流每隔一個積分步的交替發生並不影響目標函數最小化的收斂速度； 「開關」變量的存在也不影響將風、溫度、氣壓和比濕結合起來同化對mm5降水預報準確性的提高。
  15. Solving the static correction problems under complex near - surface conditions is a systematic engineering. first, careful field weathering investigation must be done, then we have to take full advantages of refraction first - break information and field weathering investigation information to compute field static correction and large residual static corrections with various refraction first - break statics methods, finally, reflection statics methods are used iteratively to solve the residual statics problems. to solve serious static correction problems in complex near - surface areas of western china, different refraction first - break statics methods are studied in this thesis. the main study contents are as follows : 1 ) the propagation features of refraction for horizontal layered and dip media are studied firstly, it lays a good theoretical foundation for later statics method studies

    本文針對目前西部油氣勘探中迫切需要解決的復雜地表區靜校正技術難題，對初至折射波解決二維和三維長、短波長靜校正問題的正反演方法進行了深入的研究和探討，研究內容主要包括（ 1 ）水平層狀和傾斜界面折射波的傳播規律，為后續的折射靜校正方法研究奠定理論基礎； （ 2 ）二維復雜層狀介質地震折射波正演方法，該方法可適用於折射面起伏不大、低速層和折射層速度變化不大的情況。
  16. Firstly, this paper introduces the main concepts of digital filtering, nmo, statics, velocity analysis and stack and so on

    本文首先介紹數字濾波的基本概念、動靜校正、速度分析及水平疊加等等。
  17. 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水泥攪拌樁復合地基的靜力和動力特性，得到了復合地基的靜力duncan ? chang模型參數和hardin ? drevich非線性彈性動力模型參數，採用非線性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。
  18. The main works are shown as the below : ( 1 ). langmuir monolayer of behenic acid and dppc surfactants behenic acid is a classical amphiphile, it has been applied to prepare functional lb films and quantum semiconducting particle films. therefore, it is of essential importance to study behenic acid monolayer at the air / aqueous interface ; at additional, in the different subphase ( h2o cdcl2 ) conditions behaviors of behenic acid monolayers have been studied ; moreover, we study dppc monolayer at the aqueous subphase, stability of dppc at the different surface pressures and speed rates

    研究內容如下： （ 1 ）二十二酸、 dppc單分子膜成膜性能研究主要研究典型的小分子成膜化合物（二十二酸）在純水和金屬離子cd ~ （ 2 + ）兩種亞相下分子聚集過程，詳細討論了膜的形成和相變過程，分析了純水和金屬離子cd ~ （ 2 + ）兩種亞相情況對各狀態下膜的靜態彈性的影響；同時考查dppc單分子膜相變過程，同時研究了在不同壓力處、不同壓膜速度條件下對分子膜穩定性的影響。
  19. The numerical results show that the horizontal variation of response acceleration of gravity retaining wall is quite small since its lateral rigidity is large enough, the response at a given height level can be considered as the same, the maximum accelerations at different heights on the central vertical line can describe the distribution of earthquake load along the wall height in static analysis very well

    數值結果顯示，重力式擋土結構剛度很大，地震加速度反應在水平方向差異很小，可看作是同步的，可取中心線上各點最大加速度來描述靜力法中地震作用沿高度的變化規律。在沿墻高度方向，加速度分佈不是呈直線變化，比較復雜，總的變化趨勢大體一致。
  20. Furthermore, author designs some tests, such as diffusion speed test of stress in soil under static load and sound wave test. by these tests, author verified that sound wave test can measure the stress in soil. comparing those aforementioned tests, we can know that their conclusions is coherent, so those conclusions also verify the feasibility of measuring stress in soil by sound wave tests

    經理論以及試驗結果分析，靜荷載作用下土中應力傳遞速度試驗、聲波試驗以土中應力分佈傳遞規律的試驗及測試技術研究及前述室內模擬試驗，在土體含水量、密度變化情況下，三者所獲規律是一致的，初步證實聲波測試技術作為土中應力測試手段的可行性，為無損傷、不擾動測試土中應力做了探索性工作。
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