After receiving this news in the summer of 1912 in Leeds, W. H. Bragg tried to explain it by the particle theory of X-rays, while his son w.
老布拉格在1912年夏得知这个消息，与他儿子小布拉格一道尝试用X射线的粒子性解释它，并由小布拉格在剑桥大学重复这个实验。
The reduction of the particle size and the increase of the fraction volume are h...
颗粒尺寸减小和体积分数增加都有助于提高复合材料的强度。
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