diffusion in solids造句

• Diffusion in solids
  固体中的扩散
• The results show that the ma can accelerate the diffusion in solids . during the ma process , the size of grain in the sample sharply decreases to 65 . 27nm after 30 minute milling and to 4 . 14nm after 20 hour milling , while the microstrain of the grain increases firstly , reaching the maximum 0 . 422 after 10 hour milling and then decreases
  通过试验发现，机械合金化可以加速固态扩散，随着球磨的进行，粉末晶粒尺寸急剧下降， 30分钟后达到65 . 27纳米， 20小时后达到4 . 14纳米；微观应变先增大， 10小时达到最大值0 . 422 ，随后减小。