contact difference 中文意思是什麼

contact difference 解釋
接觸勢差
  • contact : n 1 接觸；聯系；交涉。2 〈美國〉（有勢力的）熟人；門路。3 【數學】相切；【電學】接觸；觸頭；觸點...
  • difference : n. 1. 差異，差別。2. 不和，爭論。3. 【數學】差，差額。4. 【邏輯學】特殊性。vt. 〈罕用語〉區別，使有差別。
  1. Taking the contact stress, bend stress stiffness and temperature stress as the condition, taking the weight of the kiln tyre as optimization aim function, the redia and the width of the tyre are optimized general optimize methods just consider the affecting of the parameters to aim function, but in fact, structural parameters ( such as structure dimension, interval and so on ), physics and dynamics ( damp factor, conduct factor, friction factor material ' s elastic module strength limits and so on ), which would be changed after used. the difference are called discrepancy robust design ' s basic concept is : all design parameters " discrepancy will affect the aim funct ion and arouse the quality target discrepancy

    一般的優化方法，僅僅考慮了參數對其目標函數的影響，而實際情況下有些參數是變化的，產品的結構參數（如幾何尺寸、間隙等） 、物理和力學參數如阻尼系數、傳導系數、磨擦系數、材料的彈性模量和強度極限等的設計值與製造后和使用中的實際值會有差異，這種差異稱為設計變量和噪聲因素的變差。
  2. In this paper, high - order accurate weighted essentially non - oscillatory ( weno ) schemes are investigated and their applications in hyperbolic conservation laws are discussed. based on this, a new weno difference scheme which based on dispersion - relation - preserving relation is developed, and representative test cases with this scheme for computational aeroacoustics ( caa ) problems has been implemented and compared in order to test capability of wave capturing ; in addition, weno schemes generally do not converge at high order in the presence of contact discontinuity of euler equations, so a conservative front tracking technique coupling weno schemes and level set method to simulate the translating density profile is presented here, and numerical simulation with this technique for representative test case has been implemented and results show the desired accuracy

    本文研究了高階精度加權基本無振蕩（ weno ）格式及其在雙曲守恆律方程中的應用，在此基礎上作了兩個方面的工作：一是針對高頻聲波問題構造出一種基於保色散關系（ drp ）的weno有限差分格式，並對計算氣動聲學（ caa ）問題的代表性算例進行了大量數值實驗，比較了該格式捕捉波數的能力；另外，針對高階weno格式在處理euler方程的接觸間斷時精度有所降低的問題，研究了利用界面追蹤技術levelset方法和高階激波捕捉weno格式相結合的一種守恆追蹤方法，並且給出有代表性的密度滑移面問題的算例，得到一致高階精度的數值模擬結果。
  3. Then i comment and analyze these experiences and the limitations, also discuss the difference and contact between the " two theory ". i think these valuable experiences enrich and develop marxism - leninism, and make a important influence in the international and national society

    文章認為，盡管「兩論」有歷史的局限性，但其歷史功績是主要的，是對馬克思列寧主義無產階級專政學說的豐富和發展，一更是馬克思列寧主義的中國化。
  4. To achieve accurate detection of surface potential, the measurement of the contact potential difference of the zno / si step was also carried out. polarization - related surface properties of ferroelectric thin films were investigated by kelvin probe force microscopy ( kpfm ), leading to the discovery of asymmetric charge writing on the surface of pb ( zr _ ( 0. 55 ) ti _ ( 0. 45 ) ) o _ 3 ( pzt ) thin film

    為了優化儀器的檢測靈敏度和穩定性，選用氧化鋅薄膜上的zno / si臺階作為測試對象，檢測了zno / si的接觸電勢差;通過改變儀器系統參數，發現針尖-樣品距離和掃描速度對接觸電勢差的檢測結果影響顯著。
  5. As compared with the conventional straight well, the horizontal well can greatly increase the contact area between well and reservoir, change the filtrational mode in the vicinity of wellbore in the reservoir and reduce filtrational resistance, thus obtaining higher oil and gas production by a relatively low producing pressure difference

    摘要同常規的垂直井相對比，採用水平井開采能夠大幅度增加油氣井與油氣藏的接觸面積，改變油氣藏中井筒附近區域的滲流方式，降低滲流阻力，進而可以利用較低的生產壓差來實現更高的油氣產量。
  6. The intention of the one - sided accomplice also possesses dual cognitive elements and dual willing elements, the difference between it and the intention of complicity is that the intention of one - sided accomplice has unilateral and consensual nature on the contact of will

    片面共同犯罪故意也具有雙重認識因素和雙重意志因素，與全面共同犯罪故意不同的是，其意思聯絡具有單向合意性。
  7. When the author sets up the mathematics model with describing the process of two - dimensional debris flow, he develops the continuity equation by the law of conservation of mass and establishes the momentum equations by the law of conservation of momentum. the author makes full use of the advanced computer technologies, establishes the finite difference equation of numerical simulation by the differential operator fission method, and writes programs for computers which contact friendly with the other programs. the parameters are directly input on the keyboard

    在泥石流堆積數值模擬方面，作者以前人工作成果為基礎，在建立數學模型時，根據質量守恆原理，推導建立了泥石流連續性方程，根據動量守恆原理，推導建立了泥石流運動方程;在數值解法上，充分利用高速發展的計算機技術，採用運算元分裂法建立數學模型的差分格式，開放式編製程序，人機對話方式設置參數，計算機程序具有通用性、可擴展性和易維護性。
  8. Based on the difference between the corresponding limit of displacement from both side of contacted bodies, a local direct error estimator of bem solution for 3d elastic contact problem is presented, and then a scheme of adaptive bem is suggested

    在此基礎上提出將接觸體接觸單元間與域內解連續的邊界位移之差的某種度量作為三維彈性體接觸問題邊界元法的一種誤差直接估計，並且提出了三維彈性體接觸問題邊界元法的一種自適應計算方案。
  9. It is difficult to estimate indent depth in theory. this paper presents two methods to estimate the relationship between dent depth and contact force, respectively amend method and deflection compensate method, which are developed by using a clear geometrical relation to express indent, incursion profile and deflection difference

    本文以一種新的觀點，用一個明確的幾何關系來確定壓痕、壓頭與板的接觸面剖面及接觸中心點與邊界點之間的撓度差三者之間的關系，提出兩種近似預測接觸力與壓痕深度關系的方法? ?修正法和撓度補償法。
  10. In chapter 3, firstly, we do some demonstration on the long memory character and the statistical cycle of the return series using the r / s analysis method and the dfa method, and we do some research on the stability of the r / s analysis method, the difference and the contact between the two methods too. secondly we account the characteristic index and the tail index of the fractal distribution, we do some demonstr - ation study on the tail index of our country ’ s return series. lastly we summarize the results of our demonstration

    第三章中，首先運用r / s分析法和dfa法對中國股市收益率的長記憶性和統計循環周期進行了實證研究，並且研究了r / s分析法的穩定性以及r / s分析法與dfa法的區別與聯系，其次我們論述了分形分佈中的特徵指數以及尾部指數，對中國股市收益序列的尾部指數進行了實證研究，最後總結了實證研究的結果。
  11. With an introduction of the causation and solution to the height difference between double contact wires in auto - tensioned simple catenary system adopted by shanghai urban rail transit pearl line, the author presents some practical measures which are to be taken as reference for the professionals

    摘要介紹上海市軌道交通明珠線接觸網工程雙承力索、雙接觸線全補償簡單鏈形懸掛方式中，雙接觸線不等高形成的原因及解決方案。
  12. The difference of liquid levels between the direct contact heat exchanger and the depositing pool is used as the diving force of the water flow

    同時採用簡單的熱力凈化方式既防止水垢堵塞蒸汽管道又簡化了裝置。
  13. Base on the kinematics relation of ctp, the corresponding reynolds equation or average reynolds equation, fluid film thickness equation under qusi - stable state in polar coordinates, balance equations of load and moments under full - film contact and partial - film contact states were set up respectively. these model equations were calculated by the finite difference method, and the instantaneous 3 - d distribution of fluid pressure and the slurry film was simulated by the matlab software

    根據ctp的運動關系，分別建立了極坐標下，全膜接觸工況時的非穩態牛頓流體在ctp過程中的一般reynolds方程、流體膜厚方程、載荷平衡方程和轉矩平衡方程，以及部分膜接觸工況下的平均reynolds方程、平均膜厚方程、接觸壓力方程、總載荷平衡方程和總轉矩平衡方程。
  14. Switch quantity relay control output - on off with return difference contact capacity : ac 220v 3a ; dc 24v 5a resistive load

    16080 80160儀表接線圖操作信號輸出為開關量d型操作器
  15. But it is a pity that it didn ’ t thoroughly apply the method analyzing from the time dimension yet and didn ’ t prove how to distinguish the difference between economic law and other modern department of law we can perfect the method of defining the regulated objects in three aspects : first, further analyzing with the method from the spatial dimension to establish the contact between space and time about the regulated objects from the method

    但遺憾的是其尚未徹底運用從時間維度界定的方法論證經濟法與其他現代部門法的區別。對界定經濟法調整對象之方法進行完善主要表現在三個方面:首先，進一步運用從空間維度界定的方法，以從方法上建立調整對象的時空聯系。
  16. Based on the experimental study and inelastic theory, the ultimate flexural capacity of steel encased concrete composite beams are derived. the difference between steel encased concrete composite beams with full shear connection and beams with partial shear connection, together with the relationship between the inelastic neutral axis of steel parts and concrete parts, are considered in the formulae. the calculation results of the eight specimens with full shear connection and the three specimens with partial shear connection are in good agreement with the experimental data, which validates the effectiveness and efficiency of the proposed calculation methods. furthermore, the nonlinear finite element analysis of the ultimate flexural capacity of the steel encased concrete composite beams is performed. nonlinear material properties and nonlinear contact properties are considered in the finite element analysis. the finite element analytical results also correlate well with the experimental data

    基於外包鋼混凝土組合梁的試驗研究和塑性理論，按照鋼梁和混凝土塑性中和軸相對位置的不同，分別推導了完全剪切連接和部分剪切連接的外包鋼混凝土組合梁的正截面極限抗彎承載力的計算公式，並對外包鋼混凝土組合梁進行了非線性有限元分析，分析中重點考慮了材料非線性和接觸非線性. 8根完全剪切連接和3根部分剪切連接試件的正截面極限抗彎承載力的計算結果及有限元分析結果與試驗結果吻合良好
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