You will see that the fly ash per square meter space 337.15 g. With a diameter hole which is 27.94 Angstrom-sized aperture in quantity (mesopore) all equals 0.2355 cubic meters per gram.
It is seen that the fly ash has 337.15 square meters per gram. 27.94 angstrom in diameter, which is a medium-sized room (mesopore) hole total volume of 0.2355 cubic meters per gram.
It can be seen that fly ash has an area of square meters per gram 337.15 with diameter 27.94 Angstrom, which organized a hole medium (mesopore). The hole all equal 0.2355 cubic meters per gram