silica aerogels的意思|示意

By comparison the density of silica aerogels - the world's lightest solid materials - is only as low as 1.0mg per cubic cm.

相比之下，世界上最轻的固体材料——硅土气凝胶的密度最小也要每立方厘米1.0毫克。

Helical carbon nanotubes were synthesized by a chemical vapour deposition method from both silica aerogels and silica xerogels containing catalysts.

采用气凝胶与干凝胶两种催化剂载体通过化学气相淀积方法制备出螺旋状的碳纳米管。

Made from silica aerogels with a few other additives, this new material is now ready for commercialisation and is expected to hit the market early next year.

由二氧化硅气凝胶和一些其它添加剂制成的这种新材料，预计将于明年初投入市场。

Presently, silica aerogels are the lightest solid material which have the best property in thermal insulation and have the higher porosity, the lower sound velocities in the world.

目前硅气凝胶是世界上最轻、隔热性最好、孔隙率较高且声传播速率较低的固体材料，由于其特殊的网络结构使其具有很多独特的性能。

The preparing technique of doped silica aerogels was introduced in this paper. The relationships between its thermal conductivity and air pressure, temperature have been investigated.

介绍了新型掺杂改性气凝胶的制备工艺以及其导热系数与气压、温度的关系。