Figure 3
(a) Three-dimensional DEI image of a CO2 hydrate. The blue regions indicate CO2 hydrate and the light green regions indicate ice. Also, the red circle indicates an air bubble. (b) DEI image of the cross section of the hydrate sample. (c) Density of material as a function of the grey-scale level of the DEI image in (b). Here, the letters represent the grey-scale levels obtained in (b). |