ball-mailing请问这个单词是什么意思?

题目

ball-mailing请问这个单词是什么意思?
Glass frits with an average diameter of 1.73 μm were obtained via ball-mailing.
Fig.1 shows the image of glass frits acquired by ball-mailing.
原文出现了的语句,这是一篇学术论文.
另外During the cooling process,silver crystallites are found to grow into the silicon surface from the glass containing dissolved silver怎么翻译?

答案

我估计应该是ball milling而不是ball mailing.如果实在是ball-mailing就查不到了.
通过球磨技术获得了平均直径1.73微米的玻璃料.图1示出了用球磨法得到的玻璃料的图像.
在冷却过程中,发现银微晶从含溶解银的玻璃生长进硅表面