standard equation 中文意思是什麼

standard equation 解釋
標準方程
  • standard : n 1 標準,水準,規格,模範。2 旗;軍旗,隊旗;【徽章】標幟,標記;旗標,象徵。3 【植物;植物學】...
  • equation : n. 1. 平衡,均衡;平均,相等。2. 【數學】方程式,等式。3. 【天文學】(時)差;均分,等分。4. 【化學】反應式。
  1. Standard test method for calculated cetane index by four variable equation

    用四變量方程計算十六烷指數的標準試驗方法
  2. After deriving swt from the model, we find out that the water saturation equation is a quadratic equation about swt, so its solution is very simple and obtained by using the standard quadratic - root formula

    通過研究混合泥質砂巖有效介質通用hb電阻率模型的求解方法,表明模型導出的關于s _ ( wt )的方程是一個一元二次方程,可用求根公式求解,解法非常簡單。
  3. In this paper, the standard three - dimensional k - two - equation turbulence model which modifies the item of buoyant effect and simple algorithm are adopted, wall functions are used to deal with the boundary condition and a simplified method - box method is used to model the supply air boundary condition

    本文數值計算採用經過浮升力項修正的k -兩方程模型和simple演算法,壁面邊界條件採用標準壁面函數,風口邊界條件採用盒子方法。廠房內的氣流運動主要受風口出流動量的制約,因此選擇合理描述入流邊界條件的風口模型對數值模擬至關重要。
  4. In this article, simulations of air distribution in the vav air - conditioned office are carried out in the cases of different air - supplying diffusers including slot diffuser, sqaure grille, bar grille and square diffuser to supply air, the standard three - dimensional k - ? two - equation turbulence model with correctional item of buoyancy effect and simple algorithm are adopted, and wall function method is used to handle boundary conditions

    本文採用經過浮升力項修正的-兩方程模型和simple演算法,應用壁面函數法處理邊界條件,對利用包括條縫風口、方型百葉風口、長條型百葉風口和方型散流器不同型式送風口送風的變風量空調房間內的氣流組織進行了模擬。
  5. In chapter 2, the ii ordering is presented and the arbitrary functions and the arbitrary constants are least in the solution of formal series under the ii ordering by illustration ; furthermore, the author introduces the application of the standard form of reid to ascertain the target equation of linear constant partial equations

    在第二章中,作者給出了reid標準型演算法中的型序關系,通過舉例說明在型序下,得到的形式冪級數解中任意函數和任意常數的個數最少;並提出了reid標準型的一個重要應用:確定線性常系數偏微分方程組的目標方程。
  6. After all have done we could get the equation of indicating pointer and long length graduation. and then calculate the distance between the two lines to estimate whether the two lines are superposition under a given threshold. if not superposition the computer will drive the standard power station to a suitable value and estimate again until being superposition

    根據擬合出的指針直線方程和長刻線直線方程計算出兩者之間的距離,並根據預先設定的閾值,判斷兩者是否重合,如未重合,則驅動標準源,根據判斷更改指針位置,並再次判斷,直到重合。
  7. Based on the theory of stochastic finite element, the structural parameters of frame - shear structure including stiffness and mass and damping are simulated to be stochastic variables. by solving recurrence equation of stochastic finite element, the duration curve of mean value and standard deviation of seismic response can be obtained for every floor of frame - shear structure. an analysis is thus given to the effects of independent variation and simultaneous variation of structural parameters on the seismic dynamic response of frame - shear structure. as shown by the results, with regard to frame - shear structure, the effect of variation of strucural parameters on the change of mean value are chiefly the increase of standard deviation of response. variation of stiffness will cause the response of frame - shear structure to variate greatly ; variation of mass shows less effect ; and variation of damping shows insignificant effect. the effects of simultaneous variation of various structral parametres on seismic response are only slightly greater than the effect of stiffness variation alone

    以隨機有限元理論為基礎,將框剪結構的剛度、質量、阻尼等結構參數為隨機變量.通過求解隨機有限元的遞推方程,得到框剪結構各層的地震動力響應均值和標準差歷時曲線.分析結構參數單獨變異,以及同時變異對框剪結構地震響應的影響.研究結果表明,對框剪結構而言,結構參數的變異對響應的均值變化影響都不大,主要是增大響應的標準差.剛度的變異性將引起框剪結構的響應發生大幅度變異,質量的變異性影響稍小,阻尼的變異性影響不顯著.結構各參數的同時變異,對框剪結構地震響應的影響,僅比剛度單獨變異的影響稍大
  8. Part of content about fluidized bed thermodynamic calculation in the 《 layer and fluidized combustion thermodynamic calculation standard for industrial boiler 》 ( jb / dq1060 - 83 ) are discussed the computing equation of fly ash carbon content and the thermal equilibrium equation in the dense phase considering evaporation of water of unburned coal are given. the revise necessary is provided through calculating examples

    對jb / dq1060 - 83 《層狀燃燒及沸騰燃燒工業鍋爐熱力計算標準》中沸騰爐熱力計算的部分內容進行了探討,導出了沸騰層飛灰含碳量計算式和考慮未燃煤水分蒸發的沸騰層熱平衡方程,通過算例說明了修正的必要性。
  9. A part of content about fluidized bed thermodynamic calculation in the 《 layer and fluidized combustion thermodynamic calculation standard for industrial boiler 》 ( jb / dq1060 - 83 ) are discussed the computing equation of fly ash carbon content and the thermal equilibrium equation in the dense phase considering evaporation of water of unburned coal are given. the revise necessary is provided through calculating examples

    對jb / dq1060 - 83 《層狀燃燒及沸騰燃燒工業鍋爐熱力計算標準》中沸騰爐熱力計算的部分內容進行了探討,導出了沸騰層飛灰含碳量計算式和考慮未燃煤水分蒸發的沸騰層熱平衡方程,通過算例說明了修正的必要性。
  10. The apsp produced abroad is made by numerical controlled machine tool, which has noise level of 71db ( a ), the apsp produced in our country is made in the method of exploratory which has noise level of 73db ( a ) and 75db ( a ). in order to analyze the influence of stator curve to noise, the author used tri - coordinate measuring instrument to measured exactly the inside surface of stator and got the straddling point coordinate, and made curve fitting by using matlab as language and studied the fitting effect and then worked out the equation of stator transition curve in return seeking, then comparied this method with the standard style and made the conclusion : the equation of atator transiting curve of apsp made by numerical controlled machine tool is close to theorical 5 power curve standard style, but compared with it, the stator transiting curve of apsp produced in exploratory has a major error. combining the testing results of noise, one can know that the qualily of stator transition curve play an importance to t he noise of the pump

    國外生產的汽車動力轉向泵是用數控機床加工的,其噪聲值為71db ( a ) ,國內生產的汽車動力轉向泵是用靠模方法加工的,其噪聲值分別為73db ( a )和75db ( a ) ,為了分析定子曲線對泵的噪聲的影響,本人用三坐標測量儀對定子內表面進行精密測量,獲得定子內表面的離散點坐標,以matlab語言為工具對離散點進行曲線擬合,觀察擬合效果,然後,用回歸方法求出了定子過渡曲線的方程,並把該方程與理論方程標準型進行了比較,得出如下結論:用數控機床生產的汽車動力轉向泵的定子過渡曲線方程非常接近理論5次曲線標準型,而用靠模方法加工的汽車動力轉向泵的定子過渡曲線與理論5次曲線標準型相比較,則存在著較大的誤差,結合噪聲測試結果可知,定子過渡曲線的優劣,對泵的噪聲大小有著重要的影響。
  11. The other are a hybrid preconditioning strategy, in which a simple pivoting preconditioner is used in combination with the standard inverse - midpoint method and a new scheme for selecting the real point in formulating interval newton equation

    使用混合預處理和優化實數向量:所謂混合預處理,就是聯合了標準中點逆矩陣預處理和中樞預處理。優化實數向量就是選擇合適的實數向量來縮小線性區間等式的解向量n ( x )所包括的范圍。
  12. In order to supply a basis for uniting the reference value standard of chinese old men s hematocrit, a research is made on the relationship between the reference value of chinese healthy old men s hematocrit and five geographical factors, which are determined by the way of wintrobe laws. it is found that altitude is the main factor affecting the reference value of chinese old men s hematocrit. as the altitude increases gradually, the reference value aslo increases gradually, and the correlation is quite obvious. applying the method of mathematical regression analysis, a regression equation is given. if geographical values are obtained in some area, the reference value of chinese old men s hematocrit of this area can be reckoned by regression equation. furthermore, according to the similarity of the reference value, taking the altitude as the main dividing basis and considering effects of other geographical factors and population distribution, china can be divided into six regions : qingzang, southwest, northwest, southeast, north and northeast region

    為制定中國老年男性紅細胞壓積參考值的統一標準提供科學依據,收集了中國各地用溫氏法測定的健康老年男性紅細胞壓積參考值,並對其與地理因素的關系進行了研究,發現海拔高度是影響老年男性紅細胞壓積參考值最主要的因素,隨著海拔高度的逐漸增大,老年男性紅細胞壓積參考值也在逐漸增大,相關性很顯著.用逐步回歸分析的方法推導出了一個回歸方程.如果知道了中國某地的地理因素,就可以用回歸方程估算這個地區的老年男性紅細胞壓積參考值.依據老年男性紅細胞壓積參考值與地理因素的依賴關系,把中國分為青藏區、西南區、西北區、東南區、華北區、東北區等6個區
  13. Recently, clusters with distributed memory are popular for parallel computing systems, and mpi is the actual standard of message passing programming. therefore, the application of clusters based on mpi to computational electromagnetics is studied in this dissertation. the methods are mom based on the integral equation method in conjunction with the preconditioning technique to speed up the iterative solution and a matrix order reducing method, namely the characteristic basis function method ( cbfm )

    目前,分散式內存的集群系統是并行計算系統的主流系統, mpi是消息傳遞編程實際上的標準,本文即研究了基於mpi的集群技術在計算電磁學中的應用,採用的方法主要是基於積分方程的矩量法,並結合了加速迭代的預條件技術以及一種矩陣降階方法? ? cbf方法。
  14. Then, use galerkin principle to put the stability equation in order for the special function the mathieu standard form, and utilize the boundary of the mathieu solves ’ steady area and unsteady area, namely special relationships of and, draw the discrimination equation of losing the magnetoelastic steady critical state

    然後,應用galerkin原理將穩定性方程整理為特殊函數馬丟方程的標準形式,並利用馬丟方程的穩定解區域與非穩定解區域的分界,即系數和的本徵值關系得出了磁彈性最低失穩臨界狀態的判別方程。
  15. The standard parabolic equation method was obtained by the decompocition of the scalar wave equation and the expansion of the pseudo - differential operator

    通過對傳統波動方程的分解和偽微分運算元的近似展開,獲得了標準拋物線方程。
  16. At the beginning of fourth chapter, the article transforms the solving problem of partial differential equation for the american put price into a standard initial and boundary value problem of parabolic type by making some transformations. afterwards, the solving problem of parabolic type is transformed into a initial value problem of ordinary differential equation with respect to through fourier transform again. at the last section of the fourth chapter, the article solves the initial value problem with the progressive euler method and the finite element method

    在第四章,對美式看跌期權價格所滿足的偏微分方程定解問題通過作一系列變換,使之轉化為一個標準的拋物型初、邊值問題,接著又通過傅里葉變換,把拋物型初、邊值問題轉換為一個關于時間變量的常微分方程初值問題,然後再分別利用改進的歐拉法和有限元法對其進行了求解。
  17. Inverse - time overcurrent protection is used in power supply installation to fit the heat characteristic of the device ' s fault current. with reference to international standard characteristic equations, the equation by the integration of current term is suitable to describe the process of heat accumulation

    將反時限過流保護的概念引入智能電源系統,參考國際通用反時限控制曲線,通過構造器件的熱庫模型採用微處理器程式控制能夠方便實現各種反時限控制特性。
  18. The method that simple cubic equation was changed from general to standard was introduced and the distribution of standardized real root was illustrated, which solved the problem of the distribution of any real root for simple cubic equation

    摘要介紹了一元三次方程一般式化為標準式的方法,結合圖形給出了標準式的實數根的分佈情況,從而解決了任意一元三次方程的實數根的分佈的問題。
  19. By making algebraically equivalent transformation for the standard centering equation xs = e, we obtain a new system of perturbed k - k - t equations and, for specific power transformation, recover the newton equations that are recently used by j. m. peng et al to show a lower polynomial complexity bound for large - update algorithm

    前述的兩種方法是針對擾動k一k一t系統進行的,而本文的另一種方法是採用ncp函數,直接將標準線性規劃k一k一t條件化為一個不含內點約束的等價方程組,以此改造標準攝動方程組。
  20. This paper adopt the ~ model of standard turbulence, apply staggered grid and finite volume approach discrete equation analysis

    本文採用標準湍流K模型,應用交錯網格和有限容積法離散方程求解。
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