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- tetrahedral hemihedry 四面体半面象
- The pollen grains still to keep tetrahedral form. 小孢子四分体为四面体型。
- Only a fraction of the A ions are in tetrahedral sites. 只有一部分A离子处在四面体的位置上。
- Results: The established model had 62 182 nodes and 40 878 tetrahedral units. 结果:建立的锁骨有限元模型节点共62 182个、四面体单元40 878个。
- The two banana bonds start out from each carbon at roughly the tetrahedral angle. 这两个香蕉键是从每个碳原子以接近四面体角发出的。
- A satisfactory theory must be able to explain why in methane the HCH angles all have the characteristic tetrahedral value. 一个完满的理论必须能够解释甲烷中为什么所有HCH角都具有四面体的特性值。
- Cytokinesis was simultaneous and the arra ngement of microspores in the tetrad was tetrahedral. 胞质分裂为同时型,四分体中小孢子排列呈正四面体形。
- It will be noted that between the two layers there exist interstices of two types: tetrahedral and octahedral. 要注意两层之间有两种类型的空隙:四面体型和八面体型。
- As a model, spline interpolation on a uniform tetrahedral partition was used, and the spline coefficients were repeated by the gridded samples. 该模型以样条基函数为背景,系数则由周围采样点数据重复迭代产生。
- In this article, we introduce the oriented volume concept of simple tetrahedral, and get the computation formula for polyhedron at last. 引入了简单四面体的有向体积概念,最后得多面体体积计算公式。
- Cytokinesis is of the simultaneous type and microspore tetrads are mainly tetrahedral. 小孢子母细胞减数分裂为同时型,四分体的排列方式为四面体形;
- In 1987, Barton and Cendes applied the tetrahedral element to three-dimensional magnetic calculation. 80年代初期,Bossavit和Verite将四面体棱边元应用于三维涡流问题,1987年,Barton和Cendes将四面体棱边元首次应用于三维磁场计算揭开了基于棱边的有限元方法在电磁问题中应用的序幕。
- The two fluid flow regions are meshed by hexagonal structured and tetrahedral unstructured grids. 运用结构化与非结构化网格相结合的方法对流场计算区域进行网格划分。
- The high resolution solid state 27Al NMR was used to determine the change of the amount of framework tetrahedral Al. 其固体高分辨~(27)Al NMR谱显示了骨架四配位铝的数量变化。
- The cytokinesis of microspore mother cell in meiosis is simuteneous,and the tetrad are tetrahedral. 四分体胞质分裂为同时型。
- Cytokinesis in microspore mother cells is simultaneous, forming tetrahedral tetrads. 小孢子母细胞的分裂属于同时型,产生四面体排列的小孢子。
- With respect to the problem, a new 3-D FEM with tetrahedral element applied to t... 结果表明,采用四面体单元的有限元法研究复杂条件的影响是可行的,有效的。
- The shapes of the fuel containers #1 and #2 are always cubic and regular tetrahedral respectively. 两个反应堆(称之为%231和%232)的形状总都是规则的立方体。
- The endothecium and epidermis persist.Cytokinesis in the microsporocyte meiosis is simultaneous type and the microspore teads are tetrahedral. 药室内壁纤维状加厚;药壁表皮宿存.;小孢子母细胞减数分裂为同时型;
- The microspore mother cells undergo meiosis, the tetrahedral tetrads of microspores are formed by simultaneous cytokinesis. 花粉母细胞减数分裂后细胞质同时型分裂。