nanocrystalline grain

• 纳米晶

nanocrystalline grain的用法和样例：

例句

1. The effects of grain size on the tribological properties of nanocrystalline Ni were investigated.
   考察了晶粒尺寸对纳米晶镍材料摩擦磨损性能的影响。
2. In this paper the heterogeneous catalytic polymerization of MA by nanocrystalline titania is studied.
   该文研究了以纳米晶二氧化钛为催化剂的马来酸酐非均相催化聚合反应。