The hydrated silicon dioxide with three layers structure of micron-submicron-millimicron was observed through TEM.

通过电镜实验,观察到水合二硅具有微米亚微米纳米三次结构。

Calcium ammine catalyst was prepared with metal calcium,dehydrated liquid ammonia as raw materials,nano-silica as a carrier and acetonitrile and propylene epoxide as modifiers.

采用金属钙、脱水液氨、载体纳米二硅及乙腈与环丙烷制备氨钙体系催。

Thewater vapor oxidation is take the high pure water steam as theoxidizing atmosphere, responds the production silicon dioxide by thesilicon chip surface silicon atom and the hydrone.

水汽以高纯水蒸汽为气氛，由硅片表面的硅原子和水分子反应生成二硅。

When this method is used for the determination of silica in zincous concentrate, the results are coincident with country standard method, but this method is simpler and more rapid.

用本法测定锌精矿中的二硅与国标法结果吻合。