合金的

The variation of positron annihilation parameters of Al-Li alloys with test temperature was also measured in the present investigation.

实验中还测试了Al-Li合金的正电子湮没参数随温度的变化规律。

According to habits of powder metallurgy the hardness of alloy is decided by its composition mainly.

根据粉末冶金的特性，合金的硬度常常主要由其组分构成决定。

The relative amount of each phase in the alloys changes with the variety of the quenching rate.

硼的加入提高了铸态及快淬态合金的循环稳定性，但其作用机理完全不同。

However, the growth of Fe-rich phase decreases the saturate magnetization and remanence of the alloy.

但是，富Fe相的长大使合金的饱和磁化强度和剩磁下降明显。

Interestingly, this internal process does not roughen theinterfaces and keeps modulation structure of the multilayer well.

非晶合金的出现不但没有增加界面粗糙度，还很好地保持了多层膜的调制周期结构。

In 3.5% NaCl solution, the stress corrosion cracking properties of a new Al-Mg-Cu alloy containing scandium were examined. The composition and the micro-morphology of the crack tip were analyzed.

摘 要：对3.5%NaCl溶液中新型含钪Al-Mg-Cu合金的应力腐蚀开裂宏观性能进行测试，并对裂纹尖端的成分与微观形貌进行分析。

Medicated health-care products series for resisting senility are a creation in the world and a unique in China.

燃气涡轮发动机的发展同抗蠕变镍基和铁基合金的发展紧密联系在一起。

The main characteristics of SMA to affect vibration control of intelligent structures are given.

确定出影响控制效果的形状记忆合金的主要性能指标。

Ultrasonic treatment is one of the most effective methods to improve solidification structures and mechanical properties of casts.

在金属或合金的凝固过程中施加振动是改善铸件组织结构、细化晶粒、提高铸件机械性能最有效的方法之一。

For getting pure high-speed-steel tool grinding swarf,the pre-treatment was needed.The multi-alkaline slag could not only meet the need of high heat value,low oxidation and good fluidity,but also increase the recovery ratio of alloys and wipe out impurity.

由于其杂质含量高且细小(80～ 12 0目)，并且由于冷却介质的作用使磨屑易于生锈并结块，无法直接利用，一般被作为工业垃圾废弃，从而造成了W、Mo、Cr、V等稀有合金的浪费，且污染了环境。

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％。