tetrahedron

tetrahedron

1. Delaunay tetrahedron

Delaunay四面体

2. IR and EPMA indicated that the sintered sample mostly had structural units of [SiO4 ], [BO4 ], [AIO4 ] and [Fe3+ O4 ] tetrahedron in silicate net, Na K Ca2 Fe2+ and some Fe3+ were in the places of maintaining charges balance;

IR和EPMA研究表明,烧结法样品的硅酸盐网络中主要有[SiO_4]、[BO_4]、[AlO_4]及[Fe~(3+)O_4]四面体结构单元,Na~+、K~+、Ca~(2+)、Fe~(2+)及部分Fe~(3+)平衡处于维持电荷平衡位置。

3. Keywords VB language;program;tetrahedron;high performance liquid chromatography;mobile phase;optimization;

VB语言;编程;四面体法;高效液相;流动相;优化;

4. tetrahedron chest

[医] 菱形胸(鸡胸)

5. A New Algorithm in tetrahedron Tessellation and Reconstruction of Layered Model

一种新的分层模型四面体重构算法

6. Analytical Method for Workspace Analysis of Seven-celled Tetrahedron Variable Geometry Truss Robotic Manipulators

七重四面体变几何桁架机器人工作空间分析的解析法

7. Keywords tri-stimulus values,chromatogram,three-dimensioned look up table,tetrahedron interpolation,color gamut;

三刺激值;色谱;三维查找表;四面体插值;色域;

8. tetrahedron mesh

三角形网格

9. principal tetrahedron

主四面体

10. A series of convenient methods for the preparation of the paper-folded regular octahedron, regular tetrahedron, and regular cubic cone are presented here.

介绍纸折正四面体、正八面体和正方锥形的简易制作方法，并推广应用于制作天然硅盐的多种复杂阴离子结构及某些多酸阴离子结构的模型。

11. Take example for the triangle gained by a hollow tetrahedron,a high-speed and high-efficiency image processing method is designed to gain the feature point and feature line.

以采用空心正四面体获取的三角形为例,设计一种获得特征点、特征线的图像处理算法,该方法具有速度快、精度较高、实用和算法分析容易等优点。

12. Rotational Inertia of an Arbitrary Tetrahedron Around the Centroid Axis

任意四面体绕质心轴的转动惯量

13. Tetrahedron of Enterprise Sustainable Competitive Advantage and Management to Its Growth

企业可持续竞争优势四面体结构模型及成长管理

14. elementary tetrahedron

元四面体

15. A Vector Invariant on Tetrahedron And Its Deductions

关于四面体的一个向量恒等式及其推论

16. Keywords Raman spectra;Silicate;Hyperfine structure;Ab initio calculation;Stress index of tetrahedron;

关键词拉曼光谱;硅酸盐;精细结构;从头计算;应力指数;

17. Li JS, Zhong ZL , Chen YY, Lu XR, “A novel type of double-calixcrown: Spirobiscalix[4]crowns” Tetrahedron Lett. 1998, 39, 6507-6510.

刘世岚,李海兵,钟振林,陈远荫,“高氧杂杯芳冠醚的研究进展”，有机化学2004,24,386。

18. A nice property of a tetrahedron is that by using the texture coordinates of the 4 points, a constant texture gradient can be found across the tetrahedron.

到四面体背面的的距离可以通过把视线和背离视点的四面体表面相交并从中选择一个最小距离来得到。

19. Keywords variational method;arrangement channel;structure and energy equilateral;triangle;tetrahedron;

变分法;排列通道;结构与能量;正三角形;正四面体;

20. taste tetrahedron

味觉四面体

21. tetrads are usually arranged in tetrahedron and a few of them are bilateral symmetry;

四分体排列通常为四面体型，少数左右对称型;

22. Keywords complexes with coordination number 4;tetrahedron;square planar.;

四配位配合物;四面体;平面正方形。;

23. Keywords Tetrahedron Finite element Mesh generation Medical images;

四面体;有限元;网格划分;医学图像;

24. tetrahedron optimization method

四面体优化法

25. tetrahedron subdivision

四面体分裂

26. Tetrahedron cutting

四面体切割

27. tetrahedron decomposition

四面体剖分

28. tetrahedron element

四面体单元

29. tetrahedron block

四面体块体

30. stress index of tetrahedron

四面体应力指数

31. The space above the floor of the tetrahedron encompasses a variety of colors that lie beyond direct human experience.

四面体底部上方的空间，包含了人类无法直接经验到的各种颜色。

32. tetrahedron interpolation

四面体插值

33. tetrahedron equation

四面体方程

34. THREE-DIMENSIONAL NUMERICAL MANIFOLD METHOD WITH TETRAHEDRON FINITE ELEMENT COVERS

四面体有限单元覆盖的三维数值流形方法

35. The Hybridized Orbital of Tetrahedron

四面体构型的杂化轨道

36. Tetrahedron configuration

四面体构形

37. Experimental Study on Effect of Scour Prevention and Sedimentation Promotion of Bank Protection of Tetrahedron Penetrating Frame Groups

四面体框架群护岸型式防冲促淤效果试验研究

38. Incenter coordinate formula and its application of tetrahedron

四面体的内心坐标公式及其应用

39. The Sphere Circumscribing a Tetrahedron

四面体的外接球

40. Tetrahedron sandstone statues tower, the existing four, descending, were folded pyramid.

四面体砂岩造像塔，现存4块，由大到小，呈塔形叠起。

41. wrong tetrahedron

四面体穿刺

42. tetrahedron structure

四面体结构

43. tetrahedron grid

四面体网格

44. tetrahedron mesh generation

四面体网格剖分

45. tetrahedron group

四面体群 四面体基 团

46. Normal Curves on the Surface of a Tetrahedron

四面体表面上的正则曲线

47. tetrahedron frame

四面体透水框架

48. permeable frame of tetrahedron with six sides

四面六边透水框架体

49. the permeable frames of tetrahedron with six sides

四面六边透水框架群

50. It is interesting that one month before I went to Sedona - I bought a smoky quartz Herkimer diamond - in the shape of a star tetrahedron.

在我去Sedona一个月之前, 有趣的是- 我买了一个烟状的石英 Herkimer 钻石--具有星星状的四面体形状。

51. The valence-band offsets of such systems are calculated by frozen potential method and their Joint density of states has been computed by tetrahedron method.

在此基础上，用冻结势方法计算了该超晶格系统的价带带阶；用四面体方法计算了该系统的联合态密度。

52. This paper tries to generalize the throwing objects from the one dimension pin to the convex curve in two dimension,and even the three dimensional regular tetrahedron and regular hexahedron.

在蒲丰投针问题的基础上,把投掷物由一维的针推广到二维的凸曲线,三维的正四面体、正六面体;

53. The most likely alternative structure, the tetrahedron, would produce only one isomer for this composition.

在这种情况下,最可选的结构是四面体,并且对于这个化合物将只产生一个异构体。

54. tetrahedron of reference

坐标四面体

55. coordinate tetrahedron

坐标四面形 坐标四面体

56. orthocentric tetrahedron

垂心四面体

57. Position Control of Redundant Tetrahedron Variable Geometry Truss Manipulators Based on Neural Network

基于神经网络的冗余度四面体变几何桁架机器人位置控制

58. A Band Structure Based Nonuniform Brillouin Zone Tetrahedron Approach

基于能带结构的布里渊区非均匀四面体网格生成技术

59. fundamental tetrahedron

基本四面体

60. stacking fault tetrahedron

堆垛层错四面体

61. Wilson's equilateral tetrahedron system

威尔逊(氏)等边四面体体系

62. The shape of the tetrahedron, which shows a triangle from four different sides, was generated by space ships nearby, coordinating with one another, thus a type of holograph.

它是四面体的形状，从4个不同的角度看都呈三角形，是由附近的太空船所产生的。

63. It looks like a glass fluorescent tube, except it has a crystalline structure at the ends that fit into the two apexes of the star tetrahedron.

它看起来像一个玻璃荧光管，除此之外，在两端它还有一个水晶状结构以适应星形四面体的两个顶点。

64. The major species first dissolved in the initial stage of reaction was the modifier Zn2+, followed by the breakdown of chain structure of (PO4)3- tetrahedron.

实验为改变不同试片总表面积对溶液体积比对化学耐蚀性的影响，藉由测量溶液中离子浓度变化与观察腐蚀表面结构分析。

65. Experiment results show that using this new algorithm for tetrahedron, finite element model can provide well visual result.

实验表明，研究的新算法用于四面体单元的有限元模型，具有良好的切割处理效果。

66. The microspores in tetrad stage showed tetrahedron structure.

小孢子四分体为四面体型。

67. The pattern of microspores in the tetrad period is of tetrahedron type.

小孢子四分体时期其排列为四面体型。

68. local tetrahedron

局部四面体

69. The triangle and tetrahedron optimization methods were developed for the selection of back-ground electrolyte (BGE) in capillary zone electrophoresis (CZE).

建立了两种高效、快速的毛细管区带电泳背景电解质(BGE)的优化方法三角形优化法和四面体优化法。

70. The building combines four sides of a tetrahedron: a hexagon, a cross, a rectangle and a circle into one pavilion.

建设结合四面四面体：六角形，跨，一个矩形和一个圆圈为一个展区。

71. Design of Microcomputer Controlled Tetrahedron Packing Machine

微计算机控制四面体包装机的研制

72. We can now use tetrahedron and hexahedron elements in three-dimensional stress analysis

我们现在在三维应力分析中采用四面体单元和六面体单元。

73. truncated tetrahedron

截顶四面体

74. Specify first corner point for top of tetrahedron

指定一点,如点

75. An analytical method for workspace analysis of seven celled tetrahedron variable geometry truss manipulators(VGTM) is proposed in this paper.

提出了七重四面体变几何桁架机器人的工作空间分析的解析方法。

76. By an analytic method, in this essay a vector invariant of a casual point to a tetrahedron on volume and deductions form vector invariant are given.

摘要利用解析法，给出空间任意一点与四面体体积有关的一个向量恒等式，并给出若干推论。

77. This paper puts forward a method based on the tetrahedron element to construct a geological body model.

摘要在对地质体模型研究分析的基础上，提出了一种基于四面体体元构建地质体模型的方法。

78. Pollen morphology of Vaccinium ashei was investigated by scanning electron microscopy.Most of pollen grains are tetrahedron with tetrad construction.

摘要扫描电镜下，兔眼越桔花粉为四合体，外形为准四面体，中等大小，表面具不规则皱波状纹饰，并有多处凹陷。

79. A kind of complete automatic subdivision method for mesh of hexahedron based on quadratic subdivision of tetrahedron was put forward and the corresponding program was developed.

摘要提出了一种基于四面体二次剖分的六面体网格全自动剖分方法，研制了相应的程序。

80. The paper introduced the modeling method and process for the block model, solid model and tetrahedron model.The paper pointed out the advantages and disadvantages of each model.

摘要重点阐述了块体模型、实体模型和四面体模型的建模方法和步骤，并指出各模型的优缺点。