URL:https://www.researchgate.net/publication/350019924/figure/fig8/AS:1000774578479107@1615614661312/X-ray-diffraction-patterns-of-different-samples-a-blank-cordierite-b-Al2O3-JCPDS.png
掲載元:https://www.researchgate.net/figure/X-ray-diffraction-patterns-of-different-samples-a-blank-cordierite-b-Al2O3-JCPDS_fig8_350019924