十

Take 10 golden triangles, arrange them with their sharp points touching, and you have a golden decagon, fitting perfectly within the iris of the eye, vertices neatly touching the rim.

画10个金三角，把它们的顶点挨着排好，然后你就得出一个金十边形，与瞳孔中的虹膜完美地一致，十边形的最早点正好在眼眶。

The method is applied to the cases of decagonal and dodecagonal quasicrystals containing straight dislocation lines along their periodic directions respectively.

然后将这种方法应用于沿周期方向有无限长直位错的十、十二次准晶。

For the first time, Icosahedral quasicrystals and decagonal quasicrystals were found to exist in GaFeCuSi, GaVNiSi an...

首次在GaFeCuSi合金、GaVNiSi合金以及GaCoCu合金中发现二十面体准晶和十次准晶。

For the first time, Icosahedral quasicrystals and decagonal quasicrystals were found to exist in GaFeCuSi, GaVNiSi and GaCoCu alloys.

首次在GaFeCuSi合金、GaVNiSi合金以及GaCoCu合金中发现二十面体准晶和十次准晶。

A new hexagonal approximant has been found in Al-Cr-Si alloys and its axial lattice parameter follows a τ''s power series τ=(1 √5/2 is the golden number relationship, implying that they are all decagonal approximants. A rule of the icosahedral chains in them has been found.

在Al-Cr-Si合金中发现一种新的六角近似相，它与几个结构已知的六角相的晶格常量呈黄金数τ=(1 √5/2的幂级数关系，说明它们都是十重准晶的近似相，并找出其中二十面体链的规律。

High density stacking faults are induced into Al-Co-Ni decagonal quasicrystal by using high temperature deformation. It is found that their fault planes are perpendicular to the ten-fold axis and their displacement vectors R are lying in the fault planes and parallel to a two-fold axis A2D.

通过高温形变的手段在Al-Co-Ni十次准晶中引入了高密度的层错，并发现这些层错的层错面与十次轴垂直，层错的滑移矢量R在层错面内并与二次轴A2D平行。

It is clearly shown that the Al-Ni-Rh decagonal quasicrystal with 1.6 nm periodicity contains a kind of atom columnar cluster with about 1.6 nm periodicity as the most fundamental structural building block.

主要的研究结果可以总结如下：1利用高分辨电子显微技术在Al_(75)Ni_(15)Rh_(10)合金中发现了1.6 nm周期的十次准晶，报道了这种准晶在二次轴方向及在十次轴方向的高分辨结构，阐述了其周期及其准周期的排列方式。

During water quenching of meltten these alloys in fused silica tubes, the icosahedral quasicrystal solidified first, then the decagonal quasicrystal, and finally the crystalline approximants.

将成分为〓〓的合金放在抽真空的石英玻璃管中熔融后水淬，二十面体准晶首先形成，接着是十重对称准晶，最后形成的是准晶的晶体近似相。

The products were mainly in icosahedron and decahedron shape, which exhibited fivefold symmetry and were in high crystallinity.

产物主要呈二十面体形和十面体形，结晶很好并具五次对称性。

The morphologies of diamond include cube, cuboid, octahedron, cuboctahedron, twinned cuboctahedron, decahedron and icosahedron and ball-like diamond using SEM observation. The formation condition of the grains is discussed.

用SEM观察CVD金刚石晶粒形态主要有立方体、长方体、八面体、立方八面体、李晶八面体、十面体和二十面体颗粒以及球形金刚石，讨论了晶粒的形成条件。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。