查询词典 eutectic

The high Titania bearing blast furnace slag and NaOH may directly respond under the high temperature, then soak the eutectic slag to dissolve the dissoluble sodium salt. When the responded temperature is 1250℃, the lixiviation rate of Ti, Si, Al are higher; but the the lixiviation rate of Ti, Si, Al are very less, especially the lixiviation rate of Ti less than 10%.

采用分离剂NaOH与高钛型高炉渣在高温下直接反应，然后浸取，碱熔温度在1250℃时，钛、硅、铝都有较高的浸出率；碱熔温度为1000℃时，钛、硅、铝的浸出率明显降低，尤其是高钛型高炉渣中钛的浸出率低于10%。

The iron, in which the carbide has a high chemical stability and the matrix possess a matchable oxidation resistance, can be well resistant to abrasive wear at elevated temperature. In addition, the high temperature abrasive wear resistance of the high Cr—Ni cast iron containing eutectic carbide is much better than that of 0Cr26Ni14 heat resistant steel in which no carbide exists.

结果表明，M〓C〓型碳化物的高温化学稳定性对高Cr—Ni铸铁合金的抗高温磨料磨损性能有显著的影响，碳化物的高温化学稳定性愈好，基体的抗氧化性又能与之相匹配，合金的高温抗磨性就愈好；而且，含有碳化物的高Cr—Ni铸铁合金的高温抗磨性远优于不含碳化物的0Cr26Ni14耐热钢。

Zr has harmful effect on the thermal fatigue property because it promotes the appearance of microporosity and formation of eutectic.

本文尝试研究微量元素对K17G合金的作用机理，并通过合理地控制和调整微量元素含量，在保持K17G合金原有良好力学性能的基础上，提高K17G合金的初熔温度和热疲劳性能，开发出新合金，以满足未来发动机不断改进的需要。

Nonstable growth of Al-Si eutectic in constrained condition has beeninvestigated by means of change of the pulling velocity in an unidirectional solidi-fication system.

本文在定向凝固系统上用变速抽拉方法试验研究了Al-Si共晶强制非稳态生长过程。

On the basis of orthogonal experiment, the effect of Mg content and heat treatment on mechanical properties of near eutectic Al Si cast alloys modified with Sr has been investigated.

以正交试验为基础，通过调整Mg含量和热处理工艺，分析它们对Sr变质近共晶Al Si 铸造合金力学性能的影响。

Bonding structure and the change of chemical composition at the Cu/ceramic interface are investigated systematically with microanalysis. Furthermore, it is observed that copper bonding to Al〓O〓 ceramic is formed by chemical reaction between Cu〓O within the Cu-Cu〓O eutectic and Al〓O〓 at high temperature, CuAlO〓 as a reaction result is produced, mechanic join and physical osmose are not the main factor.

运用多种显微分析技术，对铜-陶瓷键合界面的微观结构，以及键合前后物相化学成份的变化，进行了系统的研究，在此基础上，明确了Cu-Al〓O〓陶瓷的键合机理；机械交联和物理渗透不是形成键合的首要因素，键合是通过Cu-Cu〓O共晶熔体中的Cu〓O相在高温下与Al〓O〓陶瓷发生了化学反应，形成了牢固的化学键合，同时伴随有一些CuAlO〓物相的生成。

By using the calculated results of EET theory, the local valence electron structure elements of residual chemical bonds of Al-Si and Mg-Al alloy melts, that is, the residual bond structure models, were established. From the viewpoint of effect of pressure on melt structure, the essential reason of deviation phenomenon for maximum solution point and eutectic point in thermodynamics equilibrium phase diagram was analysed. Moreover, under pressure condition, the change of thermodynamics equilibrium phase diagram was macroscopic reflection of microstructure change of alloy melt.

运用固体与分子经验电子理论的计算结果分别建立Al-Si、Mg-Al两种合金熔体的剩余化学键的局域价电子结构基本单元即残余键结构模型，从压力对熔体结构作用的层面，分析热力学平衡相图中最大固溶点和共晶点发生偏移的本质原因，并指出压力作用下热力学平衡相图的变化是合金熔体微观结构信息变化的宏观反映。

Obviously, the manufacturer should know the eutectic point and have the necessary instrumentation to assure the uniformity of product temperatures.

显然生产商需要知道产品的共晶点，而且需要使用仪器保证产品的温度是均一的。

Dendrite cluster mode of growth occurs during recalescence if Ni-32. 5%Sn eutectic alloy is undercooled by larger than 10k or 〓 and 〓 alloys are undercooled by less than 480k and 110k respectively.

共晶成分的Ni-32.5wt％Sn（△T大于10k）、非共晶成分的〓（△T小于480k）和〓（过冷度小于110k）等合金再辉过程中以枝晶簇方式凝固。

In order to investigate the influence of surface tension gradient driven convection on solidification behavior of alloys under microgravity, remelt and solidification of Al-Al〓Ni eutectic alloys, which have characteristics of directional growth along temperature gradient, were carried out on board Chinese retrievable satellite.

利用我国返回式科学实验卫星搭载的梯度炉和Al-Al〓Ni共晶合金定向生长的特点，研究了与重力无关的表面张力驱动对流（Marangoni对流）对合金凝固行为的影响，在空间微重力下获得了弯曲的双涡放射状共晶组织。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。