導出法 的英文怎麼說

中文拼音 [dǎochū]
導出法 英文
derivation process
  • : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 導出 : leading-out; derive; derivation
  1. Powerformer have some changes in constract with the conventional generator , subsequently it also have some new problems in order to have an economical , efficient , credible development and application the structure and the philosophy of electromagnetism of powerformer will be on speaking terms changes electrical design , magnetism design , thermal design and structural design are have some new changes above all , the electromagnetism parameter and the harmonic magnetomotive force of powerformer are studied in this paper first , it mainly utilizes analytics to deduce formula of slot leakage reactance it considers three instances , including monolayer - slot , multilayer isometric - slot and multilayer anisometric - slot then , the analytics and the fem are utilized to calculate slot leakage reactance of stator winding of prototype of powerformer and compare their results second , the theory of utilitzing fem to calculate the reactance of powerformer is simply introduced , including stable reactance , transient and subtransient reactance specially , the saturated influence of the stable reactance is considered then , the results are analysed final , it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding then , it mainly analyse harmonic magneto - motive force of stator winding through arranging various arrays of stator winding and observe their influence

    基於上述原因,本文對powerformer的電磁參數以及定子繞組諧波磁勢進行了研究。首先是用解析powerformer定子繞組槽漏抗的計算公式,考慮了單層圓形半閉口槽、多層等半徑圓形半閉口槽和多層不等半徑圓形半閉口槽三種情況,並對powerformer樣機的定子繞組槽漏抗用解析和有限元進行了計算,並比較其結果;其次,簡要介紹了有限元計算powerformer電抗參數的原理,包括穩態電抗、瞬態電抗和超瞬態電抗,對穩態電抗考慮飽和影響,對結果進行分析;最後,介紹定子繞組諧波磁勢對電機運行性能的影響並對定子繞組諧波磁勢進行了分析。然後通過對定子繞組進行不同排列來分析定子繞組諧波磁勢,看看繞組排列對諧波磁勢的影響。
  2. This paper analyses and explains several interferential images arising from autocollimation, and lays more emphasis on the analysis of the convex with identical property to a spherical reflector, introduces the relatios between reflection images and autocollimation images, and expounds how to form to judgment about interferential images

    摘要對自準值測量時現的幾個干擾像進行分析、解釋,著重分析了凸透鏡也具有球面反射鏡的性質,反射像和自準值成像的關系,及若何判斷干擾像。
  3. The calculation modes of the coefficient of shrinkage and creep of the bulgy core concrete in steel tube are discussed. based on a few reasonable hypotheses and the stress - strain relation of concrete acquired by the " adjusting valid modulus depending on load time " method, a compact formula is reasoned out, which is applied to calculate the equivalent elastic modulus of the bulgy core concrete considering the affection of shrinkage and creep. so, the analysis of the affection on cfst arch bridge by shrinkage and creep can be progressed by pole - girder fem, further more, the analysis precision is quite high

    本文還對核心膨脹混凝土特殊的收縮、徐變系數計算模式展開了探討,在合理的假設前提下,採用「齡期調整的有效模量」得到的混凝土的本構關系,推鋼管內核心混凝土在考慮徐變影響后的等效彈性模量計算公式,並以此為基礎採用桿系有限元方來對鋼管混凝土拱橋進行較高精度的收縮徐變分析。
  4. Dcn test method for the determination of ignition delay and derived cetane number of diesel fuel oils by combustion in a constant volume chamber

    用等容室燃燒測定柴油燃料油的滯燃期和十六烷值
  5. Standard test method for determination of ignition delay and derived cetane number of diesel fuel oils by combustion in a constant volume chamber

    通過在定容室內燃燒測定柴油燃料油的滯燃期和十六烷值的標準試驗方
  6. On the basis of investigations into the progressive yield process and the possible failure modes of rcc gravity dams, the quasi - elasticity design limit state of the ctrtical stability criterion is proposed and the real working state of the dams designed according to the ctriterion is discussed. a check formula using the material strength reducing factor as the safety index and a simplified formula similar to against sliding stability fromula are derived. finally, the corresponding design safety factors are given by using fem calculations with various influence parameters to be taken into account

    本文在研究碾壓混凝土重力壩漸進破壞過程和可能失穩方式的基礎上,提了以準彈性臨界作為穩定臨界準則的設計極限狀態,分析了按該準則設計的大壩的實際工作狀態,了以準彈性強度儲備系數為設計安全指標的審查公式以及形式與抗剪斷公式相同的簡化公式,探討了定量計算考慮各種因素影響的相應設計安全系數的合理取值,並與現行規范方進行了比較
  7. So this base isolation technique has profound prospects. unfortunately there exist definite difficulties in the calculation because of the nonlinear of the base friction force. now, both the equivalent damping method and the numerical calculatin of the vibration response of the base - isolated buildings are frequently used in the calculation of the seismic response of the base - isolated building. however both of them have certain drawbacks. in this paper, the response of the building with base - isolation system is derived by the method of fourier expansion for the friction force and the earthquake response. at the same time, the sliding vibration character of inertia of a single mass structure and the sliding vibration response of a muti - mass structure are discussed. the stable condition of the sliding base isolation system of a structure is given. in the end, two circes of base fixation and base sliding are analyzed by adopting ansys

    本文利用對摩擦力和地震響應進行付氏級數展開的方了基底具有摩擦隔震系統的地震反應。同時,文中從研究單質點結構的滑動振動慣性力入手,進而對多質點結構體系滑動振動反應進行探討,分別給了結構滑動隔震的自身穩定條件。最後,本文利用ansys對基礎固定和基礎滑移隔震兩種工況進行了動力模擬模擬分析,進一步證實了基礎滑移隔規律。
  8. The paper studies the surface geometry of globoidal indexing cam by applying the theory of conjugate surfaces and the method of coordinate transformation, presents the equations related to the main inducement curvature of the cam profiles, analysis and deduces the equations of two circumscription curves, which judge if the conjugate surface could mesh properly. some calculate examples and conclusion are given. the surface equation of the globoidal cam and conjugate equation are established

    論文首先在分析空間嚙合原理基礎上,採用坐標變換弧面分度凸輪的工作廓面方程、嚙合方程和壓力角計算公式,對弧面分度凸輪的嚙合特性進行了深入的分析和研究,對判斷曲面能否正確嚙合的依據如兩類界限線方程以及誘主曲率等進行推,並給算例。
  9. The relation of radius of curvature and error as well as formulas of increasing parameters on condition of constant error are diverted. the equation of the line on the center of approximate circular arc is obtained , and it can avoids the trouble that numerical solution owns possibility of no convergence and simplifies node calculation of non - circular curve

    了曲率半徑與逼近誤差之間的關系和等誤差條件下的參數遞推公式,建立了通過逼近圓弧圓心的直線方程和圓心坐標計算公式.按這種方用圓弧逼近平面參數曲線,不需要求解非線性方程組,避免了計算可能不收斂的麻煩,簡化了非圓曲線的節點計算過程
  10. At last, based on the theory of cubature, the multivariate linear regression equations are built up, and the traffic conversion coefficient of the controlled intersection junction are deduced

    最後,以容量為理論基礎,建立多元線性回歸方程式,推信號交叉口車輛折算系數。
  11. Abstract : with differential calculus and principles of precision analysis a mathematics formula on spring being out of shape error and relative factors error is derived, and given a simple method of dynamometric spring precision design

    文摘:應用全微分方及精度分析原理,推彈簧變形誤差與各相關因素誤差之間的數學表達式,提供了一種測力彈簧精度設計的簡便方
  12. Furthermore, with the fourier series technique, the disturbance is discomposed into predominant mode and high frequency harmonics, and the nonlinear stability of the nonparallel boundary layer is studied

    採用fourier級數的方把擾動波分解為基本模態和高頻諧波模態,非平行非線性拋物化穩定性方程。
  13. The explicit method of calculating surges in throttled, simple and downriver throttled and simple surge tanks has been derived for the first time by use of thaler series expansion from the basic formulation of surge tank. 2

    根據調壓室的基本微分方程,利用泰勒級數展開方首次推了阻抗式、簡單式、尾水阻抗式和簡單式調壓室水位波動的顯式計算公式。
  14. Here the word " unlawful " is crucial to this definition because it indicates that not all interferences with another ' s enjoyment of land will be actionable ; it is applied in an ex post facto manner since the interference normally derives its unlawful nature from the fact that it is held to be a nuisance

    英國侵權中的私人妨害是指不合妨礙相鄰方使用或者享受其土地或與土地有關的權利及相關的其他利益,其不合性是從被認定為妨害的事實中推來的。
  15. In the process of the colltfolling algorithms, the relations between the free wheel and the orielltations of the robot car are ciphered out when the robot car walks ollt the straight lines, the arcs and the swerves. in addition, the pid adustor is designed

    在軌跡控制演算中,推了機器人小車在直線、圓弧和轉彎行走中主從動輪與行走軌跡的位置關系,推了機器人小車的實時位置,設計了pid調節器。
  16. Contraposing the measurement principle of the traditional hotwire air mass flowmeter, the reason of the excursion of the result for flow measurement was analyzed and inferred when environment temperature changed ; the method for temperature compensation and the realization circuit was given ; and compared the theory output of the new type hotwire air mass flowmeter with its real output after temperature compensation

    摘要針對傳統型熱線式空氣質量流量計的測量原理,分析和推當環境溫度變化時對流量測量結果產生偏移的原因;提了一種環境溫度的補償方和具體的實現電路;並對經環境溫度補償后的一種新型熱線式空氣質量流量計的理論輸和實際輸進行了計算與比較。
  17. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應( cqi ) ,並且測得積分干涉角,為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息,實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢,應用含時微擾理論的一級波恩近似,假想在分子束實驗的條件下,建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推微分干涉角具體表達式,通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢,同時初步探討了實驗的正確觀測途徑,得了採用分子束進行實驗觀測的實驗方,為進一步進行分子束實驗提供了理論基礎,對實驗的進行起到了一定的借鑒作用
  18. The inverse kinematics of a space - based manipulator composed of three rigid bodies with prismatic joint are studied in the second chapter, and the jacobean matrix for space manipulator is derived by fully cartesian coordinates. a control method for space manipulator based on the resolved motion rate control concept is proposed

    為此結合系統動量及動量矩守恆關系了以完全笛卡爾坐標表示的系統運動jacobi矩陣,並在此基礎上研究了帶滑移鉸空間機械臂的分解運動速度控制方,給了計算機數值模擬算例,以此證明了該方的有效性。
  19. On the basis of complet ' : ly analyses about dual - m ( ) de phase shiftcrs, the finite - element formulation derives the variational principle for non - se1fadjoint electromagnetic problems which is microwave propagaticn in a aniso1ropic media loaded waveguide. then, the variatonal problem is approximated by a matrix eigenvalue problem

    在此基礎上,詳細討論了利用有限元分析這一強有力的工具來分析波中填充各向異性介質的問題,了基於變分原理的泛函和有限元方程。
  20. Method for the derivation of minimum values of proof strength of steel at elevated temperatures

    高溫下鋼保證強度最小值的導出法
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