極限周值 的英文怎麼說

中文拼音 [jíxiànzhōuzhí]
極限周值 英文
limit cycle
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 周 : Ⅰ名詞1 （圈子; 周圍） circumference; periphery; circuit 2 （星期） week 3 [電學] （周波的簡稱） c...
  • 極限 : 1 （最高的限度） the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  1. Objective : to study the relationship between angle of tilted abutment and stress distribution of periodontal tissue, and todetermine the angle limit for fixed prosthesis

    目的：探討基牙牙周組織受力與其傾斜角度的關系，找出能夠進行固定修復的基牙傾斜角度的極限值。
  2. 4. as for the design of this kind of structure mentioned above, the thesis " ana1yzed " systematica1ly the inf1uence of the over1ay of the two - - way reinforcement on its u1timate. 1oad capacity, the deciding of such important factors as the depth - - span ratio and the rib spacing etc

    針對周邊支承雙向密肋夾心樓蓋的設計，本文結合實例，較為系統地分析了兩向鋼筋重疊對樓蓋極限承載力的影響以及樓蓋高跨比、肋間距等參數的取值等問題，為該類樓蓋的設計提供參考。
  3. The static triaxial test of two engineerings shows that the breaking strength of asphalt concrete declines significantly as the temperature rises and the strain increases noticeably when breaking. increase in the asphalt content leads to decrease in tangent modulus and cohesion, but the internal friction angle tends to increase. increasing confining stress results in the augment of the maximum stress and the ultimate value of volumetric strain

    兩個實際工程的靜三軸變形與強度試驗表明，隨著溫度升高瀝青混凝土破壞強度明顯降低，破壞時應變明顯加大；瀝青含量的增加會導致切線模量和凝聚力降低，但內摩擦角趨于增加；周圍壓力增大會導致最大應力_ d增大，其體變壓縮極限值也越大。
  4. In the case of dipole model, it gets the precision distribution of the electric field of the inside and outside of the particle by solving the laplace equation. the influences of the separation distance of the particles on the shear yield stress are investigated. and the result of the laplace is also contrasted with the result of the finite element by ansys software

    在極化的狀況下，利用求解laplace方程，求解出多粒子下粒子內部的和周圍的局部電場的表達式，求解出粒子表面的極化電荷、粒子內部的和外部的局部電場，考慮了粒子間距對局部電場的影響，還分析了，在不同外加電場下對局部電場的影響，並且與ansys有限元的數值結果模擬進行了對比。
  5. The method of multiple scales is used to determine the equations of modulation of amplitude and phase. the steady state response can be obtained by solving a couple of algebraic equations, which have been achieved by careful deduction under some conditions. and because of the complexity of the equations, programs are necessary to solve the equations mentioned above, and certain graphs are presented. based on chapter two, in chapter three, the method of multiple scales is introduced to the study of the multiple - dimensional nonlinear stochastic systems under random external excitation

    在第二章基礎上，第三章將多尺度法引入到相應的隨機系統的研究中；嚴格推導了系統的約簡方程，用矩方法求出穩態解應滿足的方程，獲得一些結果；並且數值模擬結果與理論推導的結果是一致的；並注意到，與其對應的確定性系統相比較，系統響應從周期解變為近似周期解，系統的相軌線從極限環變為擴大的近似極限環；隨著激勵帶寬的增大，此擴大的近似極限環的寬度將增大。
  6. Referring to the formation process of qd, it is accepted that there formed a groove around the dot during the formation process due to mass - transfer. when the dots were capped by a compound with larger band gap, there will appear a potential maximum due to larger confinement. the maximum will prevent the carriers from entering the dot, and the origin of the kink point is resulted from the prevention

    根據s - k模式量子點的形成過程，我們認為在點的形成過程中由於質量遷移會在點的周圍形成一個凹槽，加上覆蓋層后，由於大的量子限域效應該處將形成一個勢能極大值，該勢能極大值將阻礙載流子從勢壘層向量子點的注入，該過程是導致上述拐點出現的原因。
  7. To enrich the dining experience of all food lovers, congress restaurant is delighted to introduce its first ever sunday brunch buffet, offering another fantastic combination of traditional flavour and innovative dishes for the start of a great holiday. what make congress s brunch buffet stand out from the others is the creativity and attentive thought. you can find the exquisite black truffles at the egg counter and the tender, juicy tenpanyaki wagyu beef which is only served in a few fine steak houses but now available at the brunch buffet of congress

    全新的周日自助早午餐創意無限，專誠搜羅多款極品美食，例如在菇菌類中有黑色鉆石之名的法國黑松露菌，極其矜貴又芳香無比，配上嫩滑可口的煎蛋，是一道非一般的早餐美食；還有新鮮肥美的一級牛肉-澳洲極黑牛肉，以日式鐵板燒烹調，甘香松軟，肉汁豐盈，一般?有在少數高級扒房供應，現在顧客可在周日自助早午餐中無限次品嘗，讓大家盡情滿足口腹之慾，物超所值。
  8. Firstly, the basic character of the remote filed eddy current is simulated and analyzed in case of two - dimension axial symmetry which approves the existence of remote filed eddy current phenomenon ; the full circumferential defect model is investigated to approve the feasibility of using the rfec techniques to detect the position and depth of defect ; the pit corrosion 、 circumferential and axial crack models are simulated, and the defect character based on voltage plane polar plot and the changes of phase and amplitude are analyzed to supply the standard for defect reconfiguration

    首先，在二維軸對稱情況下模擬與分析了遠場渦流的基本特性，證實了遠場渦流現象的存在;對全周向缺陷的遠場渦流檢測進行了詳細研究，證實了遠場渦流檢測缺陷位置和深度的可行性;對點狀腐蝕、軸向與周向裂紋三種非軸對稱缺陷進行三維有限元模擬，利用相位差和幅值變化曲線與電壓平面極坐標圖對缺陷特徵進行分析，為缺陷形狀重構提供了依據。
  9. The results show that, when and 02 are in various intervals, the trajectories for systems ( i ) are either ultimately periodic or convergent to an equilibrium. the difference between system ( i ) and system ( ii ) only lies on the sign of self - feedback coefficient, but their asymptotic behavior of trajectories are much different. for the given initial value, the solutions for system ( ii ) all converge to the certain equilibrium

    結果表明：當_ 1和_ 2在不同的取值范圍內，系統（ ）的解或收斂到某一平衡點，或無限逼近於某個周期解，且部分_ 1 ， _ 2下的極限環全局穩定；系統（ ）與系統（ ）的區別僅在於自反饋系數的符號為負，但由此其解軌線的極限性態發生了很大的變化，對于確定的初值，系統（ ）的解均收斂到確定的平衡點。
  10. This paper, regarding the asphalt pavement in the zhoukou region as the study object, according to the prevalent norms ( specifications for design of highway asphalt pavement ), with the beginning of the pavement performance and the transportation investigation, totally and systematically analyzes the traffic parameters and the destroying reason of pavement at the early stage in the point of fatigue property and limit strength, gives the concepts and methods of the growth rate of equivalent axle load action time, seasonal modification factor and overload factor, proposes the method of axle load conversion on the condition of heavy loading. on this basis, it proposes the design method adapting to asphalt pavement construction, explains the steps of thickness computation of construction with the combination of engineering example, finally verifies thedesign method in the paper by test road. theory and practice both prove that the reasonability of pavement structure style and the reliability of design method in the paper can adapt to the present heavy loading and overloading traffic conditions, have highly theoretical and practical value

    本文以周口地區瀝青路面為研究對象，以現行《公路瀝青路面設計規范》為依據，從路面使用性能和交通特徵的調查入手，從疲勞特性和極限強度出發分析了路面早期破損的原因，全面系統地進行了交通參數的分析，提出了當量軸次增長率、季節修正系數和超載系數的概念和方法，並提出了重載交通的軸載換算方法。在此基礎上，針對超載、重載交通從結構組合設計、結構厚度計算（包括疲勞強度標準和極限強度標準）等方面提出了適宜的瀝青路面結構設計方法，並結合工程實測，說明了結構層厚度計算的具體步驟，最後通過試驗路驗證本文提出的設計方法。理論與實踐均表明，本文提出的路面結構型式合理、設計方法可靠，能適應目前重載、超載交通的狀況，具有較高理論與實用價值。
  11. Five factors of effecting specify the bearing capacity of drilled grouting pile ( engineering properties of soil, structural dimension of pile, stiffness of pile, time ) have been concluded through introducing the transmission of load mechanism of drilled grouting pile. at the same time, the effecting parameter has been collected. the paper build the ann model in predicting ultimate bearing capacity of drilled grouting pile and discuss in detail the extraction of inputting nodes information when quoting the fundamental principle of ann model and introducing research process of the improved bnn

    本文簡要介紹了樁基承載力的研究現狀並指出將神經網路引入樁基工程的意義，從介紹單樁荷載傳遞機理出發總結了影響單樁極限承載力的五種因素（樁周土的工程性質、樁身結構尺寸、樁的剛度、時間以及施工工藝）並提取了相應的參數；引用神經網路基本原理，詳細介紹了改進bp神經網路的研究過程，從而建立了預測鉆孔灌注樁極限承載力的神經網路模型；並詳細討論了本模型的神經網路輸入結點信息的提取，在工程實例的基礎上進行了數值計算。
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