導出方程 的英文怎麼說
中文拼音 [dǎochūfāngchéng]
導出方程
英文
derived equation-
2 the theoretical values of the second virial coefficient are precisely fitted into some simple expressions. according to one of them, a new temperature function for the quadratic terms in cubic equations was derived : the function is simple, general, without acentric factor, truly predictive, theoretically sound, and applicable to all the van der waals - type equations
2將第二維里系數的理論值較精確地擬合為幾種簡單的表達式,並據此導出了立方型狀態方程中二次項溫度函數的新形式該式簡單、通用,不含偏心因子,具有真正的預測功能和堅實的理論基礎,原則上適用於所有vanderwaals型方程。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,提出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,導出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,並與現行規范方法進行了比較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,採用坐標變換法推導出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導主曲率等進行推導,並給出算例。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
導出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.按這種方法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,以容量法為理論基礎,建立多元線性回歸方程式,推導出信號交叉口車輛折算系數。This equation can be derived using taylor's expansion.
此方程可用泰勒展開式導出。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級數的方法把擾動波分解為基本模態和高頻諧波模態,導出非平行非線性拋物化穩定性方程。The treatments simplifies greatly the solution programs which are often performed to solving non - homogeneous equation and second order differential equation on the thermal equilibrium and gradient relationship and the workload of numerical computation at same time
這類方法大大簡化了人們在分析壓電熱彈性體耦合問題時通常要求解的非齊次微分方程和關于溫度的平衡方程和導熱方程的二階微分方程的繁瑣方法,同時,齊次狀態方程的提出大大減少了數值計算的工作量。Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of alkaline fuel cell ( afc ) and pemfc have been expressed with the tffa model, including oxygen transferring in gas channel of gas diffusion layer and reaction layer, oxygen dissolution and diffusion in thin - film of reaction layer, oxygen reaction and diffusion in flooded - agglomerate of reaction layer and the conduction of electron and ion. numeric algorithm of the model equations is also obtained
本文將tffa模型應用於堿性燃料電池( afc )和質子交換膜燃料電池( pemfc )陰極,推導出陰極各種傳遞和反應過程的描述方程,包括氧氣在氣體擴散層和反應層氣體通道中的擴散,氧氣在反應層薄膜中的溶解和擴散,氧在反應層浸漬聚集體中的反應和擴散以及電子和離子的傳導,並給出方程的數值解法。A complex particle swarm optimization ( cpso ) algorithm, which combines the advantages of method of complex ( mc ) and particle swarm optimization ( pso ), is put forward to solve systems of nonlinear equations, and it can be used to overcome the difficulty in selecting good initial guess for newton ' s method and the inaccuracy of mc and pso due to being easily trapped into local minima for solving systems of nonlinear equations
摘要結合復形法與粒子群演算法的優點,提出粒子群復形法,用於求解非線性方程組,以克服牛頓法初始點不易選擇的問題,同時克服復形法與粒子群演算法由於易陷入局部極值而導致方程組的解的精度不夠的不足。Describes how the export process converts methods, properties, and events
描述導出過程如何轉換方法、屬性和事件。Abstract : in this paper, the influence of the intrinsic material losses on the resonance and parameters measurement of lossy piezoelectric resonators, based on the impedance ( or admittance ) equation, is analyzed
文摘:本文從考慮損耗時壓電振子的阻抗(或導納)方程出發,詳細分析了材料固有損耗對壓電振子的頻率特性及參數測量的影響。The author first proposes an improved mass - spring model developed for rectangle meshes based on the survey of cloth modeling methods, by which the simulation of cloth is formulated unifiedly. the dynamic system of modeling and simulation is derived and solved using time differentiate method, with given composition and expression of internal and external cloth forces in the formulation
在此基礎上作者提出改進的基於矩形域的質點-彈簧模型,利用該模型統一建立了布料真實感模擬方程,給出方程中質點所受內力和外力的組成與表達式以及動態系統的推導和求解過程,並且描述了模擬的具體實現演算法。The renewal theorem approach is extended to construct the cost model for our proposed control charts, and optimization method is used to determine the optimal design parameters of the proposed control charts
我們提出以更新理論方法推導出製程成本模式而且以最適化方法決定管制圖之最適設計參數值。The article set up 2 - dementional steady heat conduction model and equations based on buried channel waveguide, and solved the equations by separating variables method. using mathcad, 2 - d temperature distribution and the influenced refractive index distribution by thermo - optic effect were plotted in waveguide section area
本文先以埋入式溝道波導為例,建立了二維穩態熱傳導方程模型,用分離變量法推導了方程解,並用mathcad2000在波導截面上繪出了二維溫度分布圖和受到熱光效應影響的折射率分布圖。The export process converts managed interfaces to com interfaces with the same methods and properties as the managed interface, but the method signatures differ considerably
導出過程會將託管介面轉換為與託管介面具有相同方法和屬性的com介面,但它們的方法簽名卻存在很大的差異。The content of the first part is the systematic introduction of the generation, deduction and development of the option pricing theory. emphasis is laid on the black - scholes option pricing model and its analytic solution with the restriction of the boundary condition. by adjusting the basic hypothesis of the model, the model is broadened to the multi - factor option pricing model
通過引入風險中性假設,推導期權價格滿足的微分方程,結合基於股票的不付紅利歐式看漲看跌期權價格的邊界條件,得出方程的解析解,並通過轉化得出支付紅利的歐式期權的價格,以及美式期權和以其他資產為標的的期權的價值,如貨幣期權和股票指數期權。Basing on the voltage and flux linkage equations of the induction manchine with compound cage rotor, the state space model of the motor is got. if the state equations are considered as news model and the output equations are considered as observation equations, the equations to describe non - linear controled system can be got
從復合籠條轉子感應電動機的電壓方程和磁鏈方程出發,推導出了復合籠條轉子感應電動機的狀態空間模型,以此狀態方程為消息模型、電機的輸出方程為觀測方程,得到了一個描述電機系統的非線性受控系統方程。Depending on stratagem of continuable development, development programming of states or regions should go in for correspond development of nature, human being, society and economy, to be brief, correspond development of multi - object, so perfect means of resolving the settle of problems is to establish multi - object optimization models restricted by dynamic input - output equation
社會經濟系統是一個復雜的動態大系統,在可持續發展戰略指導下,一個國家和地區的發展規劃應追求的是自然、人、社會、經濟的協調發展,即多個目標的協調發展。因此,建立一個以動態投入產出方程為核心約束的多目標優化模型成為解決此類問題的理想方法。In this paper we do some research on gyro - free inertial measurement as follows : we do some researches on the calculation of angular velocity which is quite critical in inertial measurement system and also deduce the output equation of the accelerometers in a specific coordinate
本文將就以下幾個方面對無陀螺慣性測量進行研究:對無陀螺慣性測量中的關鍵問題即角速度的解算進行了研究,推導了特定坐標系下的加速度計輸出方程。分享友人