section constant 中文意思是什麼

section constant 解釋
斷面常數
  • section : n 1 (外科、解剖的)切斷;切割;切開。2 【外科】切片,【金相】磨石。3 (果子的)瓣。4 【數學】截...
  • constant : adj 1 恆定不變的,固定的,穩定的,恆久的;繼續不斷的。2 不屈不撓的,堅韌的。3 忠實的,有節操的。n...
  1. The section of traditional portal rigid frame are constant cross - section and wedge shape variable cross - section, this paper brings up a component cross - section ? ripple web plate variable cross - section. according to main specially characterist of portal rigid frame, this paper use matlab to work out analytical software. it ' s concrete analysis includes : endogen force and displacement caculation of rigid frame, stability analysis in and out flat surface of rigid frame, geometrical nonlinear analysis of rigid frame. and make comparison between ripple web plate variable cross - section portal rigid frame and constant cross - section rigid frame

    傳統的門式剛架的構件截面為等截面和楔形變截面,本論文提出了一種構件截面形式? ?波紋腹板變截面。本論文根據門式剛架的主要特點,利用matlab高級編程語言編制了4個分析軟體,其針對性強,具體分析包括:剛架的內力與位移計算,剛架的平面內與平面外穩定分析,剛架的幾何非線性分析。
  2. It was specially pointed out that, when the tail water is constant maximum tide, the computed flood surface is higher than that of nonsteady current, so there is some safety superelevation. underestimation of the roughness will make downward bias to compute along - river surface and bring hidden trouble for flood control. to improve the section can decrease the water level or offset the water rise for increase of floodplains " roughness, but it need much engineering works

    特別提出,按照恆定流計算出來的設計水位比非恆定水位具有一定的安全儲備;而對于灘地糙率的低估又會造成設計水位的偏低,給防洪工作帶來隱患;如果利用改進斷面形式來降低水位或彌補糙率增加帶來的水位抬高,需要較大的工程量,所以平時應注意灘面的減糙管理工作。
  3. In the 4th section we study the optimal consumption and portfolio wher e the stock price with mixed jump - diffusion process, and get the explicit solution of this problem with maximum expected uti1ity ( uti1ity function with constant coefficient and risk averseness ). in the 5th section of this thesis give an concrete example, consider optimal consumption and investment tactics with jump events, and get the optimal consumption and portfolios under maximize expected utility ( risk detesting utility function with constant coefficient etc. )

    第四章考慮了股票價格的動態過程基於復合跳躍? ?擴散過程下的最優消費及投資策略,並求出了期望效用(常系數風險厭惡型效用函數)最大化下的最優消費和投資組合。第五章考慮了由於外部事件的影響導致股票價格的動態路徑出現跳躍時的最優消費及投資策略,並求出了期望效用(常系數風險厭惡型效用函數)最大化下的最優消費和投資組合。
  4. Let us consider a slender bar of the medium, with a constant cross - section area. a short axial disturbance is produced at one of the bar, resulting in the propagation of a wave

    此方法的原理在於考慮一個等橫截面的圓形細桿介質,在波傳播到桿的一端時,產生了微小的軸向干擾。
  5. Based on the research to the stability variable cross - section beam, the bending defection differential equation of the variable cross - section beam in critical state of bucking is established. according to the edge condition of the structure, the differential equation is solved and bucking equation of variable cross - section beam is created. we can get the algorithm which can be used to calculate the equivalent inertia moment of the variable cross - section lattice structure when it is regarded as constant cross - section of solid web beam

    對變截面格構式構件的穩定性計算進行了初步的研究,通過建立變截面構件臨界狀態下彎曲變形的微分方程,根據變形邊界條件,得到了兩端鉸支的變截面梁失穩特徵方程,提出了幾種特殊形式的變截面格構式構件等效為等截面實腹式構件時等效慣性矩的計算方法。
  6. The investigation of this paper has grate actual and expansive significance and offer methods for the application of rigid frame. the investigation indicate that the ripple web plate ' s critical stress has great improvement than ordinary flat plate and ripple web plate variable cross - section has a rather superiority than constant cross - section portal rigid frame

    本論文所做的研究工作具有很強的現實意義和推廣意義,為門式剛架的應用提供了思路。通過研究表明:波紋腹板的臨界應力比普通的平板有很大提高,而波紋腹板變截面門式剛架與等截面門式剛架進行對比也有較大的優越性。
  7. The critical concentration and critical particle surface area in constant rate section is studied. the floc density pa and the floc equivalent diameter da are calculated on the basis of experimental data and theoretic analysis

    研究了等速段的臨界濃度、臨界顆粒表面積;分析計算了絮團密度_ 、泥沙絮團當量直徑d _ 。
  8. In the second section of chapter 2, the fact that the essential interest rates of all nodes differ from each other is discussed, a non - homogeneous differential equation model of interest rate - amount of circulating fund is established, and it is proved that the sum of the weighted interest rates of each node in the financial network still remains a constant and that the difference of the instant interest rates between two nodes will finally approach the difference between their basic interest rates. in the third section of chapter 2, the differential equation model of interest rate - amount of circulating fund in an open system is studied, the laws of changes of interest rate are taken into account when fund is injected into or withdrawn from the node or when fund is injected into the network or withdrawn from the network, and the stability of equilibrium solution is proved based upon lyapunov stability theory. in the last, the equation model of interest rate - amount of circulating fund in the financial network with time delay is studied, and a necessary and sufficient condition for the existence of periodic solution is obtained to the interest rate - amount of circulating fund equation with delay

    本文第二章首先建立了封閉系統的利率?流通量微分方程模型,證明了各結點利率加權和為常數即金融市場利率均衡原理,以及各結點利率極限為整個網路平均利率;其次在各結點基本利率不相同的情況下,建立了非齊次利率?流通量微分方程模型,證明了金融網路各結點利率加權和仍是一個常數,並證明了各結點兩兩之間的即時利率之差最終將穩定地趨于其基本利率差;此外,還研究了開放金融網路利率?流通量方程模型,考慮了結點自身追加資金和提走資金的情形以及網路外部注入資金和向外部轉移資金情形下的利率變化規律,用lyapunov穩定性理論證明了模型均衡解的穩定性;最後,還研究了具有時滯的金融網路利率?流通量方程模型,並給出了具有時滯金融網路的利率流通量方程具有周期解的充要條件。
  9. Wp = 6 > the practical table is compiled that integral stability coefficient of homemade rolled h - section steel beam under constant moment

    編制了等端彎矩作用下軋制h型鋼梁式構件的整體穩定系數表,可供工程設計參考。
  10. Especially indicate how to calculate the modulus of partially cfst arch bridge axis with different section and not even constant loads mass degree

    特別指出了部分灌注鋼管混凝土拱橋截面不統一且恆載集度有變化的前提下,如何考慮其拱軸系數的計算。
  11. Gin is the abbreviation for grouting intensity number. it is showed by the product of the final grouting pressure p ( unit : mpa ) on the grouting section and the grouting volume v ( unit : l / m ) on every one meter of the grouting section, which means the energy consumed on every one meter of grouting section. according to gin method, if during the grouting construction, same energy is consumed on every grouting section, i. e. gin keeps to be a constant, an approximately uniform impervious curtain can be obtained

    Gin ( groutingintensitynumber )即灌漿強度值,它用灌漿孔段上最終的灌漿壓力p ( mpa )和單位灌漿段長度漿液灌注量v ( l / m )的乘積表示,其含義為單位灌漿段上消耗的能量, gin法灌漿認為在灌漿施工中,保持各灌漿孔段上消耗一致的能量,即保持gin為常數,便可形成一道大致均勻的防滲帷幕。
  12. Solution of critical load of continuous strut with constant section

    等截面連續受壓直桿臨界荷載的求解
  13. Constant cross section column

    等截面柱7
  14. After various indexes including constant elements, trace elements and organic gases in core sediment of site 1146 were analyzed, the changes of their vertical section curves of content with depth were studied and the potential reasons were also discussed in the paper

    通過對1146站位巖心沉積物各常量元素、微量元素及各有機氣體的測試分析。研究了各元素及氣體含量的縱剖面曲線隨深度的變化,討論了其可能的原因。
  15. Various previous methods after the loading is constant are summarized and classified into two categories : semi - math methods and pure - math methods, the common and difference among these methods is discussed. then, by analyzing the characteristics of the process of the foundation settlement, the model for predicting foundation settlement based on " law of massaction " is put forward. this paper relies on the research of the section of the soft foundation of the shen zhen bay

    本文總結了以往荷載穩定后的沉降預測方法,將其劃分為半數學方法與純數學方法,尋找各預測方法相互之間的聯系;其次區別于傳統沉降預測方法的研究途徑,從沉降過程的發展特徵出發,根據描述物理化學反應過程發展特徵的質量作用定律原理,探討了地基沉降預測的「質量作用定律」模型。
  16. Constant section beam

    等截面梁
  17. Wavepacket ; timedependent ; potential energy surface ; reaction cross section ; reaction rate constant ; ozone

    波包含時勢能面反應截面反應速率臭氧
  18. The stress states of every part of the structure, the constant value lines of the stress and the displacement of the given section can view also in this module

    后處理模塊實現節點應力、位移的輸出,觀察結構各部位的應力狀態和截面的應力、位移等值線圖。
  19. For simplicity, these assumptions are followed in the simulation : 1 ) the coronary artery is modeled as rigid tube with constant cross section ; 2 ) the blood is assumed as viscous incompressible newtonian fluid without weight ; 3 ) the blood flow is developing laminar and becomes fully developed at far downstream

    實際生理條件下,血液是粘彈性流體,但據文獻表明,只要血管直徑不太小,血液粘彈性對流動的影響不大,可以忽略不記,本文也吸收了這一結論以簡化非關鍵過程,以提高工作效率。
  20. In the second part, we investigate the compact submanifolds m with the parallel isoperimetric section in the real space forms rm ( c ) and prove that if there exists a parallel isoperimetric section on m, and the sectional curvature of m is always greater than zero, then m is contained in a hyper - sphere ; and get that the gauss curvature of the compact surfaces m with constant mean curvature in constant curvature space r4 ( c ) is always greater than zero, then m is a totally geodesic surface or a sphere, where an isoperimetric on m means a unit normal vector field defined globally on m with m1 ( ) = constant

    ( 2 )研究了實空間形式r ~ m ( c )中具有平行等參截面的緊致子流形m ,證明了具有一平行等參截面的子流形m ,如果m的截面曲率恆正,則m包含在r ~ m ( c )的一個超球面內;對于常曲率空間及r ~ 4 ( c )中具有常平均曲率的緊致曲面m ,如果m的高斯曲率處處大於零,則m或為r ~ m ( c )中的全測地曲面或為一球面。這里m上的等參截面是m上整體定義的單位法向量場,使得m關於它的平均曲率m _ 1 ( )是常數。
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