穩定特性曲線 的英文怎麼說

中文拼音 [wěndìngxìngxiàn]
穩定特性曲線 英文
stability curve
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : 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 ...
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 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...
  • 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
  • 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  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及其影響因素,指出靜水和動水的不同點;試驗測了浮箱門動水運行時的受力情況,給出並分析了位過程轉動力的變化過程;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;分析浮箱門難以上浮的原因,並給出解決方案。
  2. Based on the extensive studies of subtilisin - like protease ( prl ) of metarhizium anisopliae, extracellullar serine protease is suggested to be a key enzyme involved in the fimgal penetration to invertebrates. the investigation of serine protease in the nematode infected by owvtl may help to understand the mechanism of nematophagous fimgi as biological control agents. a 3l kda serine protease was isolated and purified from the liquid culture of h rhossiliensis owvtl challenged with nematode panagrellus redivivus

    本研究利用蟲誘導下owvt - 1菌株液體發酵,通過粗分級分離、離子交換層析和凝膠過濾層析分離提純了一個分子量為31kda的絲氨酸蛋白酶,生物學測表明其對大豆胞囊蟲二齡幼蟲具有致死作用,同時測了該酶理化,酶活力在75附近酶活力最高,隨著ph的增加酶的升高,與膽堿酯酶具有相似的ph,對底物aape ( suc - ala - ala - pro - glu - pna )具有作用, ssi和ci - 2抑制該酶的活
  3. At first, the dynamic mathematic model is created in the light of the known dimensions and structure. then base on the mathematic model, dynamic analysis of the system is studied by drawing the open - loop bode diagram closed - loop bode diagram and step response curve using the analysis and calculating function of matlab. the influence factor on frequency character steady and performance of the system is also analyzed

    首先,根據已確的尺寸參數和結構需要,計算並建立起系統的動態數學模型,然後在已知系統數學模型的基礎上,利用matlab語言強大的分析計算功能,對系統進行動態分析,通過畫出系統的開環bode圖、閉環bode圖及系統的階躍響應,分析了系統的頻率及系統能的影響因素。
  4. A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived

    對于坐標系下的拋物化方程,文中發展了求解的高效數值方法:引進法向變換,使得在臨界層與壁面之間的擾動量變化最快的區域有更多的法向網格點;導出包含邊界鄰域在內的完全四階精度的法向有限差分格式,這對方程精確離散至關重要;採用全局法和局部法相結合的方法及其新的迭代公式,大大加速收斂並得到更精確的徵值。
  5. According to eigenvalue equation ( general formula ) of the energy method of the plane steel frame structure stability, and considering the restriction of the end of the column of the main steel frame and function of deflection curve gained from the differential balance equation general resolution, we get the equation for calculating the length coefficient of the main frame structure stability of the steel arch gate and the resolutions are also given

    根據平面剛架能量法徵值方程(通式) ,考慮弧形鋼閘門主框架柱的柱端約束的殊情況,求出撓函數(試解函數)通解,得到弧形鋼閘門主框架柱計算長度系數方程。其中弧門主框架主橫梁式形框架的臨界荷載比較現行規范推薦的有限元法簡單方便、結果精確及物理概念明確等優點。
  6. This article analyzed the system of the whole characteristic of the drumshaped gear with ring - involute teeth mechanism. thought of the influence of manufacture ’ s precision and the assembling accuracy to the design of mechanism ’ s steady and the system of control, we used the dynamics simulation software adams to analyze it on the base of establishing the 3d model and entity model. so we can get some property curved shape about it

    本文還對漸開柱齒鼓形齒輪傳動機構的整體動態進行了系統分析,考慮了加工精度和裝配精度對運動裝置的及裝置控制系統設計的影響,在建立了該齒輪傳動機構的三維模型和實體模型的基礎上,利用動力學模擬軟體adams對傳動模型進行了動力學和運動學分析,得出了整個裝置運動的一些動力學
  7. Buoyancy instability ; neutral curve ; vortex wave ; eigenmode

    浮力不渦量波徵振型
  8. The power angle characteristics are acquired and compared with the unsaturated curves. it is concluded that the stability limit of the power angle is less than 90 degree. reactive power regulating curves are calculated and compared with those curves when saturation effect is not considered, the result is that u type curves are deviated to the right

    通過對同步發電機各種運行的計算,在已有文獻的基礎上更進一步分析了鐵磁材料飽和以及磁場畸變對同步發電機運行和參數的影響;求出了空載和零功率負載,在不同的電樞電流下計算得到的波梯電抗不同;求出了功角,與不計飽和時的功角相比較,功角極限小於90 ;求出無功調節,與不計飽和時相比較, u型向右偏移。
  9. First super - low specific - speed centrifugal pump has a long and narrow flow passage for its high head and low capacity, and the power absorbed by disc friction is too high, so the efficiency is very low ; secondly the diffusion of flow passage is so high, that the reserved flow often emerges at the inlet and outlet of impeller. therefore the h ~ q characteristic curve is often hump - shaped, and at the low - capacity operating condition the instability often occurs ; thirdly the centrifugal pump at high - capacity operating condition is easy to overload because the n ~ q curve appears a rising trend

    首先由於它的揚程較高、流量較小,所以它的流道狹長,圓盤摩擦損失較大,效率相對較低;其次由於它的流道擴散較嚴重,易在葉片進口產生迴流和在出口產生脫流,揚程流量易出現駝峰,在小流量工況下易產生不現象;第三,由於其功率流量呈現上升趨勢,在大流量區運行時電機易過載。
  10. In sum, the main contents of the thesis include : 1. analyses of the impact of different load characteristics on static voltage stability with the v - p - and - v - q curves of power system loads

    歸納起來,本文的主要內容包括: 1 .應用電力系統負荷的電壓-功率,分析了不同負荷的負荷對靜態電壓的影響。
  11. In this thesis, based on mathematic model and real condition, analysis and compare of different control methods are carried out at first. then a propriety control law and optimized parameters are choosen and used into multi - body model in simpack. finally, kinds of dynamic character curves after measurement and calculation are given

    論文首先在數學建模的基礎上,根據實際情況,詳細分析對比了直接狀態反饋控制、 pid控制和狀態觀測器控制等常用的磁浮列車懸浮控制方法,然後將合適的控制規律及優化的控制參數用於simpack中的多體模型,通過計算,給出懸浮、運行平以及列車通過等動力學
  12. Two layers vibration - isolating unit has been compared with single layer one, its delivering rate of force and a group of parameter curves have been obtained based on the characteristics of attenuation and stability

    根據衰減和,對單層和雙層隔振系統作了分析比較,為雙層隔振系統推導出傳遞率的一般方程,並求得一組影響傳遞率的各種參數
  13. The paper introduced the space stability theory based on the method of the rotation of a cross section around a fixed axis of the thin - walled member, and made some simply discursions. according to the theory, a programme was worked out to analyse [ - shaped, t - shaped and l - shaped axes columns. using the results of the programme, the paper has made the graph of the critical force changing by, and furthermore analysed the characteristic of the thin - walled members " space stability

    本文對基於繞軸轉動理論的薄壁構件的空間理論進行了介紹和簡單的分析論證,並根據此理論編程對「 [ 」形、 「 t 」形和「 l 」形軸壓構件進行了大量計算,作出其空間臨界力隨長細比的變化圖,對其空間作了一的分析。
  14. The soil - water characteristic curve, the coefficient of saturated hydraulic conductivity and the initial state of medium ; in the paper, the influence of rain infiltration on the slope stability is discussed, which is very helpful for forecasting slope stability in raining seasons and designing slopes in deep unsaturated zone

    )介質的本身質,如土水、飽和滲透系數、及介質的初始狀態;通過本文的研究,初步分析探討了降雨入滲對邊坡的影響,為在雨季邊坡失的預報和具有深厚非飽和區的邊坡的設計提供了科學的依據,具有一的工程意義。
  15. The method is to judge whether a system is stable by analyzing the amplification of loop circuit based on amplitude frequency response and phase frequency or not

    這種方法是將電路的幅頻和相頻結合起來對環路增益進行分析,以此作為判斷系統是否的依據。
  16. The twelve kinds of modes and equivalent circuits of this inverter with high frequency link within one high frequency switching period are carefully analyzed ; by using the state - space averaging approach, the inverter ’ s averaging model is presented, and the design criterion of key circuit parameters and the output characteristic curve are given ; the analyses of the system stabilization and the mathematic analyzes of the principle of high - frequency - link of this inverter have also be done. prototypes for 1kva 270v 10 % dc / 115v400hzac uni - polarity phase shifting controlled bi - directional voltage mode inverter with high frequency link is designed

    以全橋橋式拓撲為例,論述了雙向電壓源型高頻環節逆變器單極移相控制的原理、逆變器在一個高頻開關周期內的十二個工作模式及其等效電路;採用狀態空間平均法建立了逆變器平均模型,獲得了這類逆變器的關鍵電路參數的設計準則和外;分析了系統,並對逆變器高頻環節原理進行了數學分析。
  17. Nonlinear dynamical systems ; nonlinear waves ; diffusion ; stability ; characteristics ; nonlinear steepening, breaking and shock formation ; conservation laws ; first - order partial differential equations ; finite differences ; numerical stability ; etc

    動力系統;非波;擴散過程;徵值及;非陡斜,阻斷和激波的形成;守恆律;一階偏微分方程;有限差分;數值等等。
  18. The segmentation and feature description of a 1d curve is very simple. it is very easy to separate a signature into several curves with different stableness by this 1d description. in the verification, different curves are given different weights

    對於一維,在分段和徵描述方面更加簡單,而且通常手寫簽名在x和y方向的是不相同的,通過一維的描述可以很容易地將簽名分解為不同,並在簽名鑒別中賦予不同的權重。
  19. By studying the characteristics of the eddy displacement sensor, it adopts the control method which include using the fitting line of sensor ' s output characteristic curve in certain block as control characteristic curve, and stipulating door limit district and a certain of backward overshoot, the stabilization of welding torch is gained under the certain track precision

    摘要通過對渦流式位移傳感器的研究,採用以傳感器輸出在一區間內的擬合直作為控制、設門限區和一反向調節量的控制方法,得到了在保證一的跟蹤精度條件下的焊槍
  20. The at - cut crystal freqency - temprature characteristice is equivalent to an equation of the third order, it display excellent freqency stability over wide temprature range

    At切石英晶體元件的頻率溫度是一條三次,在寬溫度?圍內具有相當良好的頻率
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