凹凸棒石比表面积大，吸附能力强，化学稳定性好。
It has large surface area high adsorption and high chemical inertness.
气相二氧化硅具有比表面积大、纯度高，良好的触变性能等特性。
Fumed silica has the following unique characteristics: large specific surface area, high purity, better thixotropic performance and so on.
碳气凝胶是一种新型多孔碳材料，具有比表面积大、电导率高的特点。
Carbon aerogels are a kind of new porous carbon materials and have high specific surface area and conductance.
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