macroporosity

The weathering of soft rock was systimatically analyzed through measuring its microsturcture, microporosity, macrofissure, and the physico chemical properties.

通过对软岩风化前后微结构、微孔隙及宏观裂隙和宏观物理力学参数的测试对比，系统地研究了软岩风化的微观和宏观效应。

The size of macroscopic pores is on the order of a millimeter(0.

本文采用空气加压渗流技术制备了含宏观孔开孔泡沫铝材料。