colloidal silica

• 硅胶,胶体氧化硅

colloidal silica的用法和样例：

例句

1. The crude oil is chromatographed over silica gel.
   粗制油状物用硅胶进行色谱分离。
2. They are made with environmentally disposable silica gel, which adsorbs and traps moisture.
   他们与环保用完即弃的硅胶，吸附水分和微粒污染物。