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The pore structure of EG was measured by nitrogen adsorption and mercury porosimeter methods. The space around EG particle was observed by SEM and the porosity of EG was measured by pycnometer method.
用氮气吸附法和压汞法测量膨胀石墨（EG）的孔结构，用SEM观察EG颗粒间的孔隙结构和EG的孔隙率。
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