合金的

Since there is an infinite number of nonmetallic materials as well as pure and alloyed metals,considerable study is necessary to choose the appropriate one .

由于非金属材料与纯金属和合金的种类都比较繁多，所以在选择合适的材料时需要做大量的研究工作。

It is difficult to achieve the bonding of TiNi shape memory alloys by using traditional welding method.

采用传统的焊接方法难以实现 TiNi形状记忆合金的连接，限制了它的应用。

What sphinx of cement and aluminum bashed open their skulls and ate up their brains and imagination?

是什么水泥合金的怪物敲开了他们的头骨吃掉了他们的头脑和想象？

What sphinx of cement and aluminum bashed open their skulls and ate up their brains and imagination?

是什麽水泥合金的怪物敲开了他们的头骨吃掉了他们的头脑和想象？

The result shows that the improvement of thermal stability by Pr addition is due to the good resistance of rapidly solidified structure to grain coarsening.

研究结果表明，Pr之所以能够提高钛合金的热稳定性，是由于快速凝固过程获得的组织在高温下具有良好的抗粗化能力。

Methods We designed a kind of radius-ulna shape memory connector on the basis of the shape memory property of nitinol alloy and the anatomic characteristics of radial and ulnar diaphyses.

方法利用镍钛合金的记忆效应和尺、桡骨干的解剖特征，研制具有三维固定作用并能纵向记忆加压于骨断端的尺桡骨形状记忆接骨器。

Therefore the fluorinated alloy would well meet the requirement of power sources on electric vehicles.

因此，氟化处理可以有效改善合金的电化学性能，使之更好的满足电动车用动力型电源的要求。

ABSTRACT In this thesis, the researches and developments on some Laves phase related hydride electrode alloys were reviewed and some chief ...

本文首先对几种与Laves相相关的新型贮氢电极合金的国内外研究进展进行了全面综述，并分析讨论了目前存在的主要问题。

The σ and Laves phases were suppressed, and the microstructural stability increased with decreasing Cr and Si contents.

铬和硅含量的降低，可以延缓或抑制σ相和Laves相的形成，增加合金的组织稳定性。

ABSTRACT In this thesis, the researches and developments on some Laves phase related hydride electrode alloys were reviewed and some chief drawbacks of these alloys were discussed.

本文首先对几种与Laves相相关的新型贮氢电极合金的国内外研究进展进行了全面综述，并分析讨论了目前存在的主要问题。

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％。