The results indicate that the amorphous film gradually transfers into microcrystalline Si, and the grain size is nanometer order of magnitude.
结果表明：薄膜由非晶硅结构转变为微晶硅结构，微晶硅晶粒尺寸在纳米级。
However, the rapid intrinsic growth characteristic of nanometer WC grain during sintering process lead nano-grained cemented carbides with excellent mechanical performances is not acquired.
然而，纳米硬质合金粉末烧结过程中WC晶粒的快速长大行为使得难于获得真正意义上的纳米晶硬质合金块体材料。
Study is made of the effects and effecting mechanisms of a new type of grain growth inhibitor on vacuum sintering behavior of nanometer cemented carbide.
研究了一种新型晶粒长大抑制剂对纳米硬质合金真空烧结行为的影响，探讨了其影响机理。
The grain size of the porous layer is about 2nm and the thickness lamellar layer is a few tens of nanometer.
多孔羟基磷灰石层是由纳米晶粒构成的，平均晶粒尺寸大约2纳米。花瓣状羟基磷灰石层由约几十纳米大小的晶粒构成。
Influences of different thermolysis conditions on the grain size of nanometer zinc oxide were studied with SEM.
借助透射电镜(sem)研究了不同热分解条件对氧化锌粒径的影响规律。
Another is that the hard phase and the soft phase both have microstructure with crystal grain of fine and homogeneous, and the size of crystal grain had better within magnitude of nanometer.
二是硬磁相和软磁相均要求有晶粒细小且分布均匀的显微结构特别是软磁相晶粒尺寸尽可能达到纳米尺寸。
Another is that the hard phase and the soft phase both have microstructure with crystal grain of fine and homogeneous, and the size of crystal grain had better within magnitude of nanometer.
二是硬磁相和软磁相均要求有晶粒细小且分布均匀的显微结构特别是软磁相晶粒尺寸尽可能达到纳米尺寸。
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