查询词典 AL

He TiC-Al〓O〓-Fe cermets prepared by SHS/PHIP possess high mechanical properties such as well-improved flexural strength and fracture toughness owing to the addition of Fe, and highly special stiffness.

iC-Al〓O〓-Fe金属陶瓷具有良好的综合力学性能。材料具有很高的比刚度。

The results show that the composite is dense and silicon particles are distributed uniformly. Transmission electron microscope observations show that stacking faults with high density, twins and dislocations are found in silicon particles. The Si-Al interfaces are well-bonded and no interface reactants are found. The dislocations and eutectic silicon precipitates are observed in LD11 matrix. Sip/LD11 composite has low density of 2.4 g/cm3, low coefficient of thermal expansion of 8.1×10-6/K, high thermal conductivity of 161.3 W/, and the annealing treatment can reduce the CTE and improve the thermal conductivity.

研究结果表明：复合材料组织致密，颗粒分布均匀；透射电镜观察发现，在Si颗粒内部存在高密度的层错，同时还存在孪晶和位错； Si-Al界面结合状况良好，无界面反应物； LD11铝合金中存在位错和析出的共晶Si；复合材料具有低密度(2.4 g/cm3)，低热膨胀系数(8.1×10-6/K)，高热导率161.3 W/(m·K的特性，可以通过退火处理进一步降低其热膨胀系数，提高热导率。

The inverted torsion pendulum technique (JN-1 vacuum internal friction technique) was used to test the damping capacities of Fe-Al alloys.

本文采用葛氏倒扭摆(JN—1型真空扭摆仪)测试了Fe-Al系合金的阻尼性能。

The dark spot in target contains N element,and the Al conte...

同时对靶材中的黑点进行了分析，EDS显示其不仅存在N元素，而且Al含量与致密度比正常区域低，其原因与粉体颗粒的均匀性有关。

The relation between the resistivity and the surface roughness about Ni-Al films is studied.

研究了在纳米厚度范围内，Ni-Al薄膜的电阻率与表面粗糙度的关系。

The stress-strain curves of six kinds of volume fraction of Al/SiCp were obtained.

得到6种不同体积含量的SiC_p/Al复合材料的应力-应变曲线。

A Ni/Ce-Zr-Al-Ox catalyst was prepared by hydrothermal synthesis－impregnation method. The CO2 reforming of CH4 reaction was performed. By XPS and TPH methods the carbon species deposited on the surface of catalyst during the reaction were characterized; The effect on the carbon deposit by adding a small amount of steam in feed gas and the interaction between steam and carbon species were studied.

采用水热合成-负载法制备了Ni/Ce-Zr-Al-Ox催化剂，进行了CO2重整CH4的反应，并采用X射线光电子能谱、程序升温加氢等方法表征了在反应过程中催化剂表面的积碳物种，考察了添加少量水蒸汽对积碳的影响以及水蒸汽和表面积碳物种的作用。

The Arab felt a little as if it were his star: he wanted to place his mark on it, and in his notes he called it al-Ludra, which in his dialect means "the capricious one."

这位阿拉伯人感觉这颗恒星是属于他的，他想要在上面画上他的标记，在他的记录里，他称它为Al Ludra，在阿拉伯语里译作&反复无常的一颗&。

In the process of purification by ammonium, Fe~(3+)、Fe~(2+)、Al~(3+)、Cr~(3+)、Ni~(2+) could be separated for their different solubility product.

在氨水除杂过程中根据Fe~(3+)、Fe~(2+)、Al~(3+)、Cr~(3+)、Ni~(2+)等各自溶度积不同进行分离、除杂净化。

The effects of single-wire unitary pulsed metal inert-gas, synergic pulsed MIG and double-wires tandem MIG welding processes on the microstructures and properties of high strength Al-Cu alloy welds were investigated.

研究了单丝单脉冲、单丝复合脉冲和双丝TandemMIG焊对高强Al Cu合金焊缝组织及性能的影响。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。