擬對稱 的英文怎麼說
中文拼音 [nǐduìchèn]
擬對稱
英文
pseudosymmetry-
One cardiac cycle is divided into 50 parts in the transient analysis to accurately simulate the continuous pulsatile blood flow in the coronary artery, the hemodynamic parameters of the atherosclerotic and the controlled models at each of the 50 moments were computed in accordance with the physiological condition
這些計算包括：脈動流情況下的非狹窄和狹窄不對稱性對狹窄流場的影響，分岔角度變化時動脈狹窄和非狹窄的各種血流動力學參數的計算模擬。According to the research, the major work done is as following : < 1 > analyzes the symmetric - key encryption algorithm des and dissymmetric - key encryption algorithm rsa, and makes them easy to realize in hardware. < 2 > according to the algorithms and the thought of reconfigurable computing, the dissertation accomplishes the design of 64 - bit des system architecture and the design of 256 - bit ~ 1024 - bit rsa system architecture. < 3 > using the top - down high level design methodology and the hdl language, accomplishes the description of the des / rsa designs, the simulation and the synthesis
本論文主要的研究工作： < 1 >對現有的對稱加密演算法des演算法和非對稱加密演算法rsa演算法進行分析，使其易用硬體實現； < 2 >基於可重構思想和特點，完成64位des演算法和256位1024位模長rsa演算法的可重構硬體的設計； < 3 >採用自頂向下的設計方法，利用hdl語言對des / rsa設計進行功能描述，並完成軟體模擬，綜合和布線； < 4 >在可重構計算驗證平臺上進行演算法驗證，並對設計的可重構和設計的進一步優化進行討論。The simulation results suggest that, at the end of the scanning line, the dissymmetric temperature field and the great temperature gradient result in the balling phenomenon and great thermal stress, which could lead to the destruction of the sintering samples in this region. because of the coupling effect between scanning lines, the balling phenomenon is increased as the increase of the scanning lines, thus the over short scanning lines should be avoided in the sintering process. different scanning strategies have significant influence on the sintering
模擬結果表明，掃描端點溫度場的不對稱及較大的溫度梯度造成了端點球化現象，並在端點處產生較大的熱應力，使燒結成形試樣易在此處破壞;激光掃描線間的耦合作用使端點球化現象隨掃描線的增加而逐漸顯著，燒結時應避免過短的掃描線;不同掃描策略對燒結成形有很大影響，交替掃描會影響燒結試樣的質量，實際製造時應採用單向掃描策略。Consisting of the protracting graph of hydrogen - like atom ' s angle distributing, computer simulation of the symmetry of molecular orbital and chemical reaction mechanism, showing the molecular point group and symmetry element, computer simulation of molecular vibration, bravias ' s crystal lattice and their transforming, extracting of plane periodic lattice, extracting of solid periodic lattice, close packing of isometrical pellet and the structure of simple mental substance, close packing of unequal pellet and crystal structure of representative ionic crystal, computer simulation of phase analysis by x - ray diffraction
內容包括類氫原子角度分布圖的繪制，分子軌道對稱性和反應機理的微機模擬，分子點群和對稱元素顯示，分子振動運動的微機模擬，布拉維晶格和晶格轉化，平面點陣抽取，立體點陣抽取，等徑網球的密堆積和金屬單質結構，不等徑圓球密堆積和典型離子晶體結構， x射線多晶衍射的微機模擬十個子模塊。Kinematic analysis and simulation of a
對稱曲線槽槽輪機構運動分析與模擬Legendry and chebyshev pseudospectral methods for the generalized symmetric regularized long wave equations
廣義對稱正則長波方程的勒讓德和切貝雪夫擬譜方法Numerical simulation of pulsatile blood flow in coronary artery with symmetric 2 - way bypass graft
冠狀動脈對稱雙路移植管中脈動血流的數值模擬Then, the navier - stokes equations for 2 - d axisymmetric compressible turbulent flow were constructed and phoenics was used to simulate the 2 - d axisymmetric compressible turbulent flowfield of rocket jet
其次，建立了二維軸對稱可壓縮湍流流動的平均navier - stokes方程，並利用phoenics軟體對二維軸對稱火箭噴流進行了數值模擬。2 ) the structure elements should be laid out symmetrically and uniformly when designing steeve - arch structure, what ' s more, the reasonable selection of section geometric size near the arch foots of first beams is paid attention to and the arrangement difficulties of steel bar due to the big eccentric pressures 2, the analyses of anti - seismic features on transverse direction of the aqueduct l ) the method of adjusting the elements " mass can be harnessed in order to even the layout of seismic loads
2 ）設計吊桿式拱架支承結構時，各部分構件應當均勻對稱布置。另外，還應注意頭道梁拱腳附近截面的尺寸擬定，克服地震內力造成的大偏心受壓狀態給結構配筋設計增加的困難。 2 、橫槽向抗震性能分析1 ）可利用調整構件質量的方法，使得結構的某些構件的地震荷載分佈均勻一些。We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions
通過理論和試驗探討，選用鎳鉻合金電阻絲作為加熱元件，配以陶瓷質埋入式爐膛；選用陶瓷質小尺寸扁平?圓盤均熱塊體型樣品支持器；選用0 . 5mm絲徑鎳鉻?鎳硅熱電偶（ k ）作為測溫元件；熱電偶對稱安置在樣品支持器容器的中部；選用硅酸鋁耐火纖維作保溫材料；合理選用和設計了溫度控制器、溫度變送器、信號放大電路等硬體；採用升溫曲線來控制爐膛供熱過程；採用最小二乘法非線性回歸與分段函數相結合的曲線模擬方法，進行圖形處理。Three kinds of results are obtained by simulation calculating the two models : the composed vector diagrams of the axial velocity ( v ) and the radial velocity ( vr ) at the different times in the symmetry section ; diagrams of curves of the velocity vector ( v ^ ) and ( vr ) at the different times in the different sections ; diagrams of the secondary flow vectors at the different times in the different sections
我們對兩種不同直徑的s型血管進行了有限元模擬計算，得到三種結果：在對稱面內不同時刻的軸向速度v _和徑向速度v _ r的合成矢量；在不同截面不同時刻的速度分量v _和v _ r的曲線圖；在不同截面不同時刻的二次流的矢量圖。Secondly, by characteristic statistic, the probabilistic distribution of silt indexes is roughly learned, then the normal and beta distribution probabilistic models are fitted for generally symmetric distribution indexes, and the beta distribution models for all indexes owing to their good adaptability. after tested, the indexes of cuu and < t > m fitted by the beta models are very good
其次，用特徵統計量對粉土工程性質指標的概率分佈作了粗略了解后，對大致對稱分佈的指標作了正態分佈和beta分佈擬合，對不對稱分佈的指標作了beta分佈擬合，最後得出用beta分佈擬合c _ （ uu ）和_ （ uu ）是較理想的。By means of analytical methods based on upper bound element technique ( ubet ), non - axisymmetric element, simulates the forming process of non - axisymmetric involute teeth spline has been introduced, formula of speed fields been derived and the deformation regularity of steady extrusion on the forming process successly described
摘要本文運用上限單元技術（ ubet ） ，引入非完全軸對稱單元，模擬了非完全軸對稱零件漸開線齒外花鍵的成形過程，推導出了成形過程中的速度場公式，並成功地描述了擠壓過程中的變形規律。Abstract : the mathematical model of the valve controlled asymmetrical cylinder active electro - hydraulic servo loading system is set up and the control strategy of the compound adjustment is designed in this paper. the simulation and experimantal research are carried out
文摘:建立了閥控非對稱缸主動式電液伺服加載系統的數學模型，設計了復合校正的控制策略，並作了模擬和實驗研究。Secondly we study the properties of moment generating functions of probability measures, calculate its sub - differential by the convex analysis, use it to characterize the quasi - symmetric probability
本文研究了概率測度的矩母函數的性質，用凸分析的方法算出了矩母函數的次微分，並用此完全刻畫了c . j . stone提出的擬對稱概率測度的性質。The extension theorem of quasisymmetric function on the interval
區間上擬對稱函數的延拓定理Particularly, if the probability measure u is symmetric or if the mean value is 0, then u is quasi - symmetric
特別地，當概率測度對稱或均值為零時，此概率測度是擬對稱的。Fourthly we use the infimum of the moment generating function to study the a - transient and a - recurrent for random walks and levy processes, give a dichotomy theorem for not one - sided processes and prove tha t the process x is quasi - symmetric if and only if x is not a - recurrent for all a < 0 which is the probability explanation of quasi - symmetry
對于隨機游動和l vy過程，我們用矩母函數的最小值討論了他們的-常返性和-暫留性，給出非單邊過程的一個二分定理，並證明了擬對稱過程等價于過程對任意0都是-常返的，這是擬對稱的概率意義。In this chapter, firstly, we apply a result of [ 20 ] to prove that for a class of quasisymmetric homeomorphisms with substantial boundary points, the maximal dilatation of the extremal quasiconformal extension equals the supremum of the ratios of the moduli of quadrilaterals, which improve the result of [ 148 ]
在本章中，我們首先利用了文[ 20 ]的結果，研究了單位圓周上一類具有本質邊界點的擬對稱同胚，證明了它的極值擬共形延拓的最大伸縮商等於四邊形模之比的上確界，改進了文148的有關結果In this paper, equivalent dielectric constant, which is obtained on the functions of complex variables, is applied to deal with dielectric effect on slots
另外，在口徑電場的假設上，本文不再使用模擬對稱振子電場的正弦分佈，而使用適合介質存在時的餘弦分佈。分享友人