nanometer grain size 纳米粒度
inorganic nanometer grain 无机纳米颗粒
nanometer grain size analyzer 纳米粒度分析
nanometer grain microcosmic structure 纳米晶粒微观结构
nanometer-grade grain 纳米级颗粒
nanometer organism grain 纳米级生物颗粒
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。
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