十二面体的

The several shapes of diamond grains have been observed in SEM: truncated cube, octahedron, truncated cubo-octahedron, twinned cubo-octahedron, twinned regular decahedron and twinned regular icosahedron. Most of diamond grains are octahedron.

用扫描电子显微镜观察到多种外形的金刚石颗粒：截顶立方体、未截顶正八面体、截顶立方八面体、孪晶立方八面体、正十面体和正二十面体的金刚石颗粒。

Spinning balls of fire act as nuclei within the dodecahedron cell bodies.

火行为的原子核旋转球内的十二面体细胞体。

In this paper, the structural characteristics and the handedness of papovaviruses capsid with icosahedral lattice are introduced indetail, and capsomer contacts are comprehensively analyzed.

本文介绍了乳多空病毒二十面体的结构特征、点阵手性，分析了其衣壳结构和壳粒的相互作用。

This method has been used to calculate electronic structures of the icosahedral,tetrahedral and dihedral fullerenes and some stability rules are obtained.

这种方法已经用于系统地研究具有二十面体群、四面体群和二面体群对称性的各富勒烯同系列，并且得到规律性的结果。

After additional testing and analysis of several hundred dimpled configurations and shapes, the icosahedron pattern with 20 triangular regions was developed.

在对几百种酒窝结构与形状进行了附加测试与分析之后，终于设计出一种二十面体的式样，其中每个面皆为三角形。

It appears as a single-shelled icosahedron with 112 characteristic two-layer spikes.

该病毒仅有单层衣壳，病毒离子呈二十面体对称，二十面体的十二个顶点均有双层突起。

In Plato's "Symposium", Aristophanes argues that the origins of love lie in the search for symmetry, while Pythagoras and Theaetetus—who discovered the icosahedron, the geometric shape with 20 triangular faces—explored the symmetries of geometric figures.

在柏拉图的《会饮篇》中，阿里斯托芬提出爱的缘起就在于对对称的寻觅，而毕达哥拉斯和发现由二十个三角形面组成的二十面体的泰阿泰德则探究几何形体的对称。

The characters of changes of noncrystalline have been analysed under the quick cooling conditions.

利用键对分析技术，计算出了不同温度下的键对类型数和二十面体的两类键取向序参数，分析了Al-Fe合金在快速凝固条件下非晶形成的演化特点。

At last a single crystal of the ν-AlCrFe phase was found and the structure was determined by the combination of direct methods and high resolution electron microscopy. The structure contains a large quantity of slightly distorted icosahedra and the connection among them was analyzed.

利用单晶X射线衍射技术，结合高分辨电子显微学的研究结果，最终测定了ν-AlCrFe相的晶体结构，并对其中的二十面体的连接情况进行了分析。

The growth of truncated icosahedra could be induced and maintained through interplay of following processes:the～50 nm multiple twinned seeds were generated; shape and size focused by Ostwald ripening,then oxidativly etched and preferentially grew on the {100} face.Oxidative etching plays an important role in the formation of gold nanocrystals on hydrothermal condition.

对二十面体金纳米粒子及截角二十面体的生长机理进行了探讨，考察了不同刻蚀程度对金纳米粒子的形态影响，研究结果表明，增强体系刻蚀程度有利于单晶的生长，减弱刻蚀程度有利于孪晶的生长。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐