octahedron 中文意思是什麼

octahedron 解釋
n. 名詞 (pl. octahedrons, -hedra ) 八面體。
a regular octahedron 正八面體。

  1. The annihilation of the octahedron voids at the tips of fpds was divided two processes : ( 1 ) the oxide on the void was removed by the out - diffusion of oi in the shallow region, especially the oi aroud the void and by the entry of the interstitial si atomics. ( 2 ) the void without oxide shrinked by emitting vacances and the migration of silicon atoms from edge to the bottom of void

    Fpds端部八面體空洞的消失分為兩個階段: (一)覆蓋在空洞各個內壁上的氧化膜由於高溫下矽片表面區域的間隙氧原子,尤其是空洞型缺陷周圍的間隙氧原子的外擴散及自間隙硅原子的進入,而逐漸變薄直至最終消失。 (二)無氧化膜的空洞,在高溫下發出一個個空位,同時八面體空洞周圍的自間隙硅原子不斷的從空洞的邊緣遷移至空洞的底部,使空洞逐漸變淺直至最後消失。
  2. The cycle sum of the rotation group of the octahedron was calculated.

    正八面體的旋轉群的循環和已算出。
  3. Closed form solution to workspace of double - octahedron variable geometry truss robotic manipulators

    二重八面體變幾何桁架機器人工作空間解析
  4. The error formulas of position and orientation for the octahedron parallel machine tool and the new type of parallel machine tool are set by using perturbation method

    利用攝動法得出了八面體並聯機床和新型並聯機床的位姿誤差關系式。
  5. Based on it, the monte carlo simulation is implemented for the octahedron parallel machine tool, and then the statistical frequency histogram is given

    在此基礎上,對八面體並聯機床的位姿誤差進行了montecarlo模擬,給出了統計頻數直方圖。
  6. Znd2180 complete crystal shape, perfect cubic octahedron, good diaphaneity, high impact strength and thermal stability, suitable for high grade cutting, drilling, and grinding tools

    Znd2180晶體完整,具有完整的立方八面體,透明度好,高的抗沖擊強度和熱穩定性。適用於高檔次切割工具、鉆頭、碾磨工具。
  7. 4. the molecular structure shows that there are two types of coordination environment for fe atoms. one is formed by two n atoms and four o atoms, another by six o atoms, all in distorted octahedron

    分子結構表明存在兩種fe離子的配位環境。一種為2個配位n原子和4個配位o原子,另一種為6個配位o原子均為畸變八面體。
  8. Plato conjectured each of these elements to be made up of a certain platonic solid : the element of earth would be a cube, of air an octahedron, of water an icosahedron, and of fire a tetrahedron

    柏拉圖推測每一種元素都是由某些理想立方體組成:地元素是由立方體組成,風元素是一個八面體,水元素是二十面體,火元素是四面體。
  9. The equations of workspace boundary surfaces for double - octahedron variable geometry truss pmts are derived based on surface analysis method. the projection and section curve grapha of workspace boundary surfaces for double - octahe

    推導出了zrps ztps型及m 3tps型並聯機床運動學分析的一階和二階影響系數矩陣,得到了其運動學模型。
  10. These analy ' tical expressions are solved using homotopy cofitinuation algorithjns, all solotions of singularity configuration are obtained. a numerical exarnple of singularity configuration analysis for double - octahedron variable geometry truss pmts is given.,

    以r 3tps型並聯機床為對象,提出了一種精度建模方法,該方法將精度建模的問題轉化對應的「虛擬機構」的運動分析問題。
  11. Moreover, the octahedron voids would change to shallow orbicular pits and vanished at last if the etching time was prolonged. our results were contrasted to the result that the fpds are interstitial type defects concluded by takeno et al and support the views that the fpds are vacancy - type defects

    本次的實驗結果與takenold等人對fpds的研究結果大大相反,他們認為fpds的端部是一些間隙型的位錯環,而本實驗的實驗結果卻支持了fpd缺陷屬空位型缺陷的觀點。
  12. Through charoma theory and metal - bearing ores " color index analysis, the color of the turquoise is quantitated. crystal field spectra of cu2 + ion have been analysed and compared with the oretical calculations, the results show that the basic color of turquoise ( azure ) is related to the existence of cu2 + octahedron. in this charpter, quantum mineralogy theory is used in quantity

    通過吸收光譜實驗,利用量子礦物學的有關知識,對綠松石中銅離子的晶體場譜進行了計算,並利用晶體場理論解釋了綠松石吸收光譜,揭示了綠松石顏色形成的主要原因是聯系著晶體場譜的顏色:過渡金屬銅離子對綠松石的顏色起主要作用? ?決定了綠松石的基本色調(天藍色) 。
  13. The analytical equations of workspace boundary surfaces for the octahedron parallel machine tool and the new type of parallel machine tool are derived based on the forward displacement analysis. based on it, the projection graphs of workspace boundary surfaces are drawn

    提出了並聯機床工作空間分析的解析方法,得到了八面體並聯機床和新型並聯機床的工作空間邊界曲面的解析方程,並在此基礎上繪出了工作空間邊界曲面的圖形。
  14. In this paper, we study and analysis the base distribution in human dna sequences. on the basis of the distribution sphere whose radius equal to 1 / 4 by zhang et al. expounded, with the method of plane mapping figure studying 6000 human dna sequences, and according to the figure of sierpinski gasket ' s patch and the brillouin zones of the face - centered cube, we obtain two new distribution figures, one is the frustum - octahedron, another is the regular - octahedron

    我們在zhangetal .提出的人類dna序列的堿基分佈為半徑是1 / 4球分佈的基礎上,用平面投影圖的方法研究和分析了6000組人類dna序列的數據,並且根據塞爾賓斯基鋪墊的補形和面心立方的布里淵區圖形提出了兩種新的分布圖,一種是正八面體,另一種是截角八面體(十四面體) 。
  15. Through the study and analysis conclude as follows : in human dna sequences, if the distinction of the number of the four bases is very small, they can distribute in a sphere whose radius equal to 1 / 4 ; if the distinction of them is comparative large, they can distribute between the sphere and the frustum - octahedron ; if one is 0 in them, they can distribute between the frustum - octahedron and regular - octahedron ; if the distinction of them is especial large, they may distribute in the outer of the regular - octahedron

    通過研究和分析得到結論為:在人類dna序列中,如果四個堿基的數目相差很小時,它們可能分佈在半徑為1 / 4的球內;如果相差比較大時,它們可能分佈在這個球和截角八面體之間;如果在四個堿基數目中有一個為零時,那麼它們有可能分佈在截角八面體和正八面體之間;如果相差的特別大,甚至有可能落在那個正八面體的外部。
  16. The projection and section curve graphs of workspace boundary surfaces for 6 - sps type pmts are drawn. results of analysis show that the theoretic workspace of 6 - sps trpe pmts is enveloped by 30 surface patchs. input and output ewtons of displacement analysis for double - octahedron variable geometry miss pmts are established, analytical expressions for determining singuledty configuration are derived

    分別推導出了znys ztps型、 ips 3tps型和ipt ztps型並聯機床奇異倉形判別的解析表達式,得到了奇異曲面方程,並由邊界曲面分析方法得到了lps 3tps型和ipt ztps型並聯機床的工作空間,文中給出了以上混聯結構並聯機床奇異位形與工作空間分析的數值實例。
  17. The study results obtained by afm suggest that the flow pattern defects were revealed as having wedge shape and there were small octahedron voids surrounded by { 111 } which were the same as cops and lstds planes were observed at the tips of flow pattern defects

    用原子力顯微鏡對fpds結構的研究結果表明, fpds缺陷形如拋物線,並且在其端部存在有和cops 、 lstds缺陷相同的由{ 111 }面構成的八面體空洞。
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