symmetry group 中文意思是什麼

symmetry group 解釋
對稱性群
  • symmetry : n. 對稱；勻稱；調和；勻稱美。 bilateral symmetry 左右對稱。 radial symmetry 輻射對稱。
  • group : n 1 群；批，簇。2 集團，團體，小組。3 【化學】基，團，組；（周期表的）屬，族。4 （雕塑等的）群像...
  1. A nonaqueous synthesis route to hexapod pbs nanocrystals has been presented. surfactant, namely oleic acid, plays a key role in the synthesis of hexapod pbs. although the exact reason is unknown, it is still noteworthy that the configuration of the symmetry group oh in pbs nanocrystals is unprecedented

    以油酸作為表面修飾劑，在170 - 190下，將pb （ scn ） _ 2在乙二醇中迴流制備了「六足」型pbs納米晶，研究了表面活性劑和溶劑對納米晶形貌的影響，認為模板作用可能是「六足」型pbs納米晶形成的原因。
  2. 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。
  3. The conclusions are reported as following : the structure change of triuranium octaoxide ( u3o8 ) was studied by xrd at ambient atmosphere at temperature form 25 to 850. there are two kind of phases of u3o8 in the temperature range studied, and the transformation temperature is about 300. the low temperature phase is orthorhombic with space group amm2, and it change to another phase with better symmetry around 300

    主要的研究結果如下：對u _ 3o _ 8的相變和結構隨溫度的變化進行的分析研究結果顯示：在300附近u _ 3o _ 8發生了相變，由底心正交結構（空間群為amm2 ）的低溫相轉變為簡單六方結構（空間群為p - 62m ）的高溫相。
  4. Hi the aspect of symmetry analyzing to the hopfield model neural network with hebbian learning, we study on the dynamical behavior of the state space under the action of isometric transformation group g = z2 ? n, and prove the invariant property of the energy orientation ? / / " ) of the state space under the action of g. we find that the symmetry relationship of the network is sx - sw = sh when the active function of the neuron is odd, where sx is the symmetry of the patterns set x under hebbian learning rule, sh is the symmetry of the network and sw is the symmetry of the weight matrix w of the network

    ） s _ n為手段，研究了網路狀態空間在群g作用下各點的運動情況，證明了群g作用下的不變性。證明了當神經元的激活函數f為奇函數時， hebb法則下存儲樣本集x的對稱性s _ x 、網路對稱性s _ h以及連接矩陣對稱性s _ w三者之間滿足s _ x = s _ w = s _ h的關系；同時，我們還證明了：網路穩定態集vf同一s _ h軌道中的兩個穩定態的動力學行為（能量和吸引域大小）相同；兩個等距網路h和h 1 = g ? h ， （ ? ） g （
  5. As a liquid, the blue phase shows the 3d - space group symmetry, just like crystals, which arouses people ' s interest

    作為一種流體，液晶藍相能像晶體一樣有三維空間群對稱性，這引起了人們的廣泛興趣。
  6. With the method of the lie group transformation, the symmetry of the equation governing one dimensional finite strain consolidation is discussed and, from the point of the symmetry, the feasibility to obtain the analytical solution of these nonlinear partial differential equations is discussed. where - after exact or approximate analytical solutions focused on different consolidation problems are obtained, these including : under some assumptions of relations of the void ratio with coefficient of permeability and effective stress, the method of lie group transformation is applied to solve the non - linear partial differential equation of large strain consolidation of homogenous saturated clay soil in semi - infinite domain with the consideration of the material and geometrical nonlinearity during consolidation procession. the implicit exact solution without considering the effect of self - weight of soil is obtained

    運用lie群變換方法討論了一維大應變非線性固結方程的對稱性，以及在該對稱性的意義下求解這類非線性偏微分方程解析解答的可能性，並就大應變非線性固結問題的多種情況求得了其完整的或者近似的解析解答，具體包括：基於有效應力與孔隙比以及滲透系數與孔隙比之間的關系的一些假定，採用李群變換求解考慮材料非線性和幾何非線性的半無限均質土體大變形固結非線性偏微分方程，得到了一個不考慮自重固結的完全解析解。
  7. During recent 30 years, the blue phase of liquid crystal has attracted much attention. the physical nature of bpi ( the first subphase of blue phase ) and bpii ( the second subphase of blue phase ) have the symmetry of space group

    近30年來，液晶藍相受到廣泛的關注，研究表明藍相一相（ bp ）和藍相二相（ bp ）的物理性質有空間群對稱性。
  8. Unfoldings of equivariant bifurcation problems with parameter symmetry under a left - right equivalent group

    分歧參數帶有對稱性的等變分歧問題在左右等價群下的開折
  9. As for moving tc, its symmetry somely rusume after landfalling. the different distributing between expb2 and expb3 is much smaller than the other exps of the same group, so it is shown that if the roughness coefficient come to a certain number, the effect of roughness maybe not take the leading key in tc decreasing process any more

    對于移動熱帶氣旋登陸而言，登陸后對稱性有所恢復，當下墊面粗糙度達到一定值時，由於粗糙度引起的差異明顯減小，粗糙度在其減弱的過程中可能已不佔主導作用。
  10. For a quantized subgroup of the symmetry group of hamiltonian of a molecule, a site projection operator is defined to produce symmetry - adapted wave functions from the functions with the symmetry of the subgroup. based on site projection operator, a systematic method is proposed to factorize the single - particle

    對于哈密頓的對稱群的量子化子群，可以定義一個位置投影運算元，來從具有該子群對稱性的軌道產生完全的對稱性匹配軌道。基於位置投影運算元，提出了一個系統的方法，用來按照分子的最大對稱群，徹底地分解
分享友人
分享到 Line

分享到臉書