亚稳

The preparation of metastable materials was explored in view of the nucleation and growth kinetics by means of high undercooling and high velocity laser resolidification techniques.

通过深过冷和高速激光重凝技术，从形核和生长两个不同方面探索了块体亚稳相材料的制备技术。

The resolidified layers of directional or mat-like structures composed of g phase with good mechanical properties could be prepared by the high velocity laser resolidification of the Ti50Al50 and Ti-45Al-2Cr-2Nb alloys respectively.

在高速激光重凝等原子比 Ti50Al50和全层片 Ti-45Al-2Cr-2Nb 合金中分别获得了由定向和芦席状亚稳 g 相组成的高性能重凝层。

Rhombohedral ITO solid solution was metastable in air and it would be transformed to cubic ITO solid solution by heat-treatment.

刚玉型结构ITO固溶体在空气中处于亚稳态，并且在加热的条件下可以转变为萤石型结构ITO固溶体。

The results show that the zirconium sol has good spinnability when n: n= 1:3, reaction time is 6h and aging temperature is 15℃. The ZrO_2precursor fibers are made from hydrous zirconia chelated by acetylacetone. The sintercd fibers arecomposed of metastable tetragonal phase and sized about 15μm in diameter. Moreover, there aremany pores inside the fibers, but no cracks.4. ZrO_2/PVP hybrid fibers were prepared by blending the spinnable zirconium sol and 10 wt%PVP solution.

结果表明，当n(ZrOCl_2·8H_2O)：n(H_2O_2)=1：3，反应时间6h，陈化温度15℃时可得纺丝性能良好的锆溶胶，ZrO_2前驱体连续纤维的组成主要为经乙酰丙酮配位的ZrO_2水合物，热处理后的ZrO_2纤维的相结构为亚稳四方相，纤维的直径为15μm左右，纤维中存在大量的纳米级气孔，但无明显裂纹。4。

We choose the multi-component bulk metallic glasses to study the structure transmissibility of metastable phase under high pressure.

选择多组元大块非晶合金，研究高压条件下亚稳相的结构遗传性。

A metastable helium atomic beam effused out of atom source is firstly cooled transversally by laser. This well-collimated atomic beam traveling through the light standing-wave whose direction is perpendicular to atomic beam is quenched, and channeling effect happens in atomic density distribution.

亚稳态原子束从原子源喷出后首先对其进行横向激光冷却，准直后的原子束穿过与之垂直的激光驻波场时发生淬火过程，原子的密度分布出现沟道化效应，给出基于光掩模制作纳米图形的基本原理、理论分析及模拟结果。

As the reaction time and standing time increase, the percentage of calcium oxalate trihydrate decreases and the percentage of the thermodynamic stable calcium oxalate monohydrate increases.

随着反应时间和陈化时间的增加，三水草酸钙直接转化为稳定态的一水草酸钙，而没有经过亚稳态的二水草酸钙。

Here we report the crystal structure of the parainfluenza virus 5 F protein in its prefusion conformation, stabilized by the addition of a carboxy-terminal trimerization domain.

首先，它们以一个亚稳态的形状出现，这个形状能储存进入细胞所需的能量；然后，该蛋白形状所发生的不可逆转的变化促成膜的融合。

AES result shows that this beneficial effect is mainly related with the formation of passive film with chromium oxide on the bombarded surface.

钝化膜的俄歇电子能谱分析结果表明，腐蚀性能的改进可归因于表面形成了一层富铬的以氧化膜为主的钝化膜，也与混合界面上形成的亚稳相有关。

The crystal structures of the two polymorphs are so similar that they can hardly be distinguished by usual polycrystalline X-ray diffraction methods.

后者是一种亚稳相。这两种多型体的结构非常相似，用通常的多晶衍射方法难以区分。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。