several stacking faults and a tetrahedron composed of two stacking faults in triangular were observed within the crystal.
在晶体中观察到多个层错和一个由两个层错三角形组成的层错四面体。
this is the website for the tetrahedron information system.
这是四面体信息系统的网站。
its position is in the exact center of the large tetrahedron structure , and it is the core of the crop circle ship.
它的位置是在大型四面体结构的正中心,和它是麦田圈船的核心。
thus one has a triangle in , a tetrahedron in , etc.
因此在空间中是一个三角形,空间中是一个四面体,等等。
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。
the calculation accuracy and the calculation efficiency of hexahedron mesh generated by author are higher than tetrahedron element.
所剖分的六面体单元的-算精度和计算效率都高于四面体单元。
some of the cross sections are used to stand for a certain component, and semiternary phase diagrams are ploted, then a quaternary phase diagram shown in a tetrahedron is obtained.
提出了利用正四面体的某些截面表示一定组成,得出相分离曲线和相分离曲面,并能较好地描述四元体系。
tetrahedron elements with ten nodes for the section model were selected.
用十节点四面体单元对轨姿控舱体几何模型离散化;
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。
this paper presents the principle of secondary orientating by approximate tetrahedron for the first time.
本文在国内外首次提出并创建了近正四面体法二次定位原理。
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。
the main structure unit of clay minerals contains silicon-oxygen tetrahedron and aluminium-oxygen octahedron.