expansion formula 中文意思是什麼
expansion formula
解釋
展開公式-
The anharmonic effect of atomic vibration taken into account and from the potential energy which reacts each other among atoms, boltzmann statistical principle used, the relation formula of temperature and the distance change between atoms and coefficient of linear expansion is derived
摘要考慮原子振動的非簡諧效應，從原子間相互作用勢能入手，運用玻爾茲曼統計原理，推出了原子間距的變化與溫度的關系式，並導出了固體的線脹系數。 -
Abstract : a manufacture method of a major diameter circline weldless u - expansion joint by hydrostratic forming is introduced, a calculation formula of loading with hydrostratic forming is given by stress analysis
文摘:簡要介紹了液壓成型大直徑無環焊縫u形膨脹節的方法，通過應力分析，給出了液壓成型的加載內壓計算公式。 -
In the thesis, the fundamental formula of ffd method derives from the square root that is approximated by a continued fraction expansion in the one - way wave equation. optimizations of the parameters of the finite - difference operator improve the validity of the method
本論文用連分式近似單程波波動方程中的平方根導出ffd演算法的基本公式，並對ffd演算法中的有限差分運算元進行了系數優化，進一步提高了計算的有效性。 -
Firstly, the voronovskaja type formula of asymptotic expansion of this kind of operators is given. then the approximation of the bounded variation functions by the kinds of operators is discussed
第一節給出該運算元的voronovskaja型漸近展開公式；第二節討論該運算元對有界變差函數的逼近。 -
Based on researching the relation of the parameters of bohr - mottelson rotational spectra formula from two - parameter harris formula, in this thesis three - parameter harris formula was used and a new ralation of the parameters of bohr - mottelson rotational spectra formula was brought forward. four - parameter i ( i + 1 ) expansion was used to calculate superdeformed ( sd ) bands of even - even nuclei in a ~ 60, 80, 130, 140, 150, 190 regions and normal deformed ( nd ) bands of nuclei in actinide and rare - earth, the relation of the parameters was discussed. comparatively, the new relation is consistent with experiment
利用harris兩參數公式研究bohr - mottelson轉動譜公式參數之間的關系的墓礎上，改用harris三參數公式，並由此提出了bohr - mottelson轉動譜公式參數之間的新關系式，進而用i （ i + 1 ）四參數展開式計算了a 60 ， 80 ， 130 ， 140 ， 150 ， 190區超形變偶偶核的基帶和錒系和稀土區正常形變核基帶，討淪了參數之間的關系，發現新關系式與實驗較好地符合。 -
In past, the processing mode as to the electro - hydraulic servo - system nonlinear problem is that using the tai ' s lux formula obtains the part linear pattern behind the series expansion at the stable state work - point. this kind of linear model is feasible to this system the frequency is low as well as the system work - point frequently isn ’ t changing in great scope
過去對于非線性問題的處理方式是在穩態工作點處進行泰勒級數展開后得到局部線性化模型，這種線性化模型對於一些頻寬不太高、系統的工作點變化范圍不太大的系統是可行的。 -
Different from the scattering theory used in the derivation of conventional generalized screen propagator, in this paper, a high order formula of generalized screen propagator for one - way wave equation is proposed by using the asymptotic expansion of single - square - root operator
摘要不同於常規廣義屏傳播運算元的推導中使用散射理論，本文利用單平方根運算元的漸近展開，推導出了單程波方程廣義屏傳播運算元的高階表達式。
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