The EET and its application in the study on solid and liquid metal were described in this article.EET could be used to study the alloy melt further to the electron microstructure level.

• 本文介绍了余氏理论的基本思想及其在固态和液态合金研究中的应用,运用余氏理论这一新的理论工具,可以使对合金熔体的研究深入到电子结构层次。