As the grain size decreases, there is a significant increase in the volume fraction of grain boundaries or interfaces.
当晶粒尺寸减少时，晶粒边界或界面的体积分数有很大的增加。
In addition, with the increasing distance between the filament and the substrate, the crystalline volume fraction and the grain size of poly-Si films notablely decrease.
另外，随着热丝与衬底间距的增大，沉积出的多晶硅薄膜样品的晶化率明显减小，薄膜的晶粒尺寸也相应减小。
The transformed ferrite volume fraction increases and grain size decreases with the increase of cooling rate.
随着冷却速率的增加，铁素体体积分数减少，晶粒尺寸变细。
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