structural constant 中文意思是什麼

structural constant 解釋
結構常數
  • structural : adj. 構造上的,結構上的,組織上的。adv. -ly
  • 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. Treatment of the spinel limn2o4 with aqueous acid produces - mno2. x - ray diffraction and atomic absorption spectroscopy show that - mno2 with lattice constant of 0. 806nm preserves the structural framework of the limn2o4 and the conversion of limn2o4 to - mno2 results in some contraction of the lattice

    利用limn2o4與稀酸作用制得- mno2 ,經xrd 、原子吸收光譜( aas )分析表明- mno2仍然保持了尖晶石的面心立方點陣,晶胞參數0 . 806nm ; limn2o4經過酸處理、鋰離子脫出后晶胞體積發生了收縮。
  2. For the sake of realizing the structural lightweighting design on ball cage patterned constant speed universal joint, taking the maximum contact stress of ball cage patterned constant speed universal joint, overall contacting deformation and plastic deformation as foundations, a preliminary study was carried out respectively on two kinds of ball cage patterned constant speed universal joints with their number of balls as 6 and 8

    摘要為了實現球籠式等速萬向節的結構輕量化設計,以球籠式等速萬向節最大接觸應力、接觸總變形和塑性變形為依據,分別對鋼球數量為6和8的兩種結構的球籠式等速萬向節進行了初步研究。
  3. The relationships of modal damping versus the stiffness of cables, the attachment height of damper and damping constant are obtained. with the optimal structural control method, a new approach to determine the optimal damping constant of viscous damper is presented. the first a few modal damping can be optimized simultaneously under the optimal damping constant of damper, which is more convenient than the existed design method

    4 、對拉索-粘性阻尼器系統的動力特性進行了研究,得到了拉索剛度、阻尼器安裝高度及阻尼系數等參數對拉索系統模態阻尼比的影響規律;根據最優控制原理,提出了一種確定阻尼器優化阻尼系數的方法,該方法確定的阻尼系數能保摘要證前幾階模態阻尼比得到整體優化,改進了現有的設計方法。
  4. So the result is more accurate than old methods. the result of structural energy response based on wavelet provides a practicable method for structure design and design energy dissipation system in structure, this chapter ' s analysis and contrast tell us littlewood - paley wavelet is not suitable for analyzing energy of earthquake ground motion and structural energy response. on the purpose of calculating energy, meyer wavelet must be modified so that its frequency integral is a constant, the result of energy by modified meyer wavelet and harmonic wavelet is practicable, only the later is bigger but in the same energy level

    通過三種小波基( littlewood ? paley小波、 meyer小波、諧波小波)下的地震地面運動能量分析以及結構地震能量反應分析說明:直接通過加速度記錄可以求得地震動能量,由於小波系數中同時含有時域和頻域的能量,由此得出的能量比以往的方法更準確;在此基礎上求得了結構的能量反應時程,為結構設計及結構中設計耗能體系提供了具體的方法;通過這一章對比分析得出, littlewood ? paley小波不適合於作地震動能量分析和結構能量反應分析。
  5. The optimization selection and comparison have been conducted on the ratios of major structural dimensions of ball cage patterned constant speed universal joint namely the ratio between central circle diameter of steel ball and ball diameter, the ratio between outer diameter of universal joint and diameter of graduation circle of inner sleeve spline and the ratio between eccentricity of ball cage patterned constant speed universal joint and central circle radius of ball

    對球籠式等速萬向節的主要結構尺寸即鋼球中心圓直徑與鋼球直徑之比、萬向節外徑與內套花鍵分度圓直徑之比,以及球籠式等速萬向節的偏心距與鋼球中心圓半徑之比進行了優化選擇和比較。
  6. The evolvement of international trade finance, from direct financing between buyer and seller to indirect financing among banks ; from conventional trade financing to unconventional trade financing such as factoring, forfaiting, structural trade financing, etc. ; from commercial international trade financing to political international trade financing ; from domestic international trade financing to internationalized international trade financing, etc., has profoundly demonstrated that the history of international trade finance is actually a history of constant development, adjustment and innovation

    具體來講,國際貿易融資不僅僅是銀行面臨的主要課題,是其業務創新的重要來源,同時也是企業有效利用金融資源,擴大產品出口,提高自身在國際市場上的競爭力,從而在國際市場上扮演更重要角色的渠道之一。研究進出口貿易融資不僅在實務上很有必要,而且在理論上亦有重要意義。
  7. According to the problem that the recovery rate is traditional treated as a constant or an independent stochastic variable by the classical credit risk pricing and management model, and problem that the negative correlation between the default probability and recovery rate is always neglected, this dissertation gets the exponential and logarithm regression models of default probablilty and recovery rate based on some empirical researches, and improves on several broadly applied credit risk models, such as structural hazard rate model, affine structure model, convertible bond pricing model and credit metrics model, and introduce the negative correlation between

    針對傳統的信用風險定價模型及信用風險管理模型將違約回收率看成是一個外生的常數或是一個獨立的隨機變量,而忽略回收率和違約概率之間的負相關性這一問題,本文應用相關實證研究得到了違約概率和回收率的指數和對數回歸模型,並對應用非常廣泛的結構化風險率模型、仿射結構模型、可轉換債券定價模型和creditmetrics模型進行了改進和拓展,在新模型中應用指數和對數函數引入了這兩個變量之間的負相關性。
  8. Abstract : the alternate calculation method of constant cable - length in non - stress for the structural analysis of suspension bridge in construction is introduced in this paper

    文摘:筆者在文中主要介紹了恆定無應力索長迭代法在懸索橋施工控制分析中的應用
  9. Therefore, to increase the number of steel ball of the ball case patterned constant speed universal joint is a kind of effective method for realizing its structural light - weighting design

    因此,增加球籠式等速萬向節的鋼球數量是實現其結構輕量化設計的一種有效方法。
  10. By research done on a structural model with numerical calculation method, the effects of some factors, such as superstructure stiffness, thickness of raft, compressive modular constant of soil, suspended width of raft and raft concrete intensity, on the working behavior of thick - raft foundation are analyzed

    然後,通過建立結構模型,用數值計算的方法研究了上部結構、筏板厚度、地基壓縮模量、筏板懸挑寬度和筏板砼等級五個因素對基礎沉降、基底反力和筏板內力的影響,分析了厚筏基礎的基本受力特性。
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