The results show that the fine, spherical and dispersed inclusion contained Si is in favored of refining matrix crystals and optimizing internal microstructure of the alloy.
结果表明，细小、球形而又弥散分布的含硅夹杂相有利于细化基体晶粒，改善材料的内部微观组织结构。
In this paper, the properties and preparation of ceramic short fiber reinforced al si alloy matrix composite and it is application to the piston of internal combustion engines are reported.
本文报导了陶瓷纤维增强复合材料的性能、制备研究及其在内燃机活塞上的应用。
The SI-28 is a 2 way full range system with an internal passive crossover that provides exceptional bandwidth and output SPL in a single system package.
的SI - 28是一个2路与内部无源分频器，它提供了一个单一的系统包出众的带宽和输出声压级全套系统。
The SI-10 is a 2 way full range system with an internal passive crossover providing high level, high definition performance in a compact enclosure.
的SI - 10是2的方法与内部被动提供了紧凑安装高水平，高清晰度的性能全面系统的交叉。
The SI-12 is a 2 way full range system with an internal passive crossover providing high level, high definition performance in a compact enclosure.
的SI - 12是一个2路与内部被动提供了紧凑安装高水平，高清晰度的性能全面系统的交叉。
The SI-12 is a 2 way full range system with an internal passive crossover providing high level, high definition performance in a compact enclosure.
的SI - 12是一个2路与内部被动提供了紧凑安装高水平，高清晰度的性能全面系统的交叉。
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