Silica aerogel is made by drying a hydrogel composed of colloidal silica in an extreme environment.

白炭黑是由凝胶干燥组成硅溶胶在一种极端的环境。

The investment shell mold was made of polyethylene wax and colloidal silica.

介绍了用聚乙烯蜡低温模料制作熔模、用硅溶胶作粘结剂制造型壳的工艺.

It is also helpful to reduce the veining defects using enhanced colloidal silica.

使用快干增强硅溶胶也有助于降低毛刺缺陷.

The process of lost pattern , colloidal silica and baking was studied emphatically.

包括熔模制造工艺 、 硅溶胶模壳工艺和焙烧工艺.

The composition having at least one epoxy resin, at least one solvent and a filler of functionalized colloidal silica .

该组合物含有至少一种环氧树脂，至少一种溶剂和官能化胶态硅石填料。

The experimental results show that the coating has higher strength contained PVA organic binder than con- tained colloidal silica inorganic binder at room temperature.

结果表明，采用PVA有机粘结剂的涂料常温强度高于硅溶胶无机粘结剂涂料的常温强度。

The measure method of specific surface area and microparticle diameter of colloidal silica by titration with sodium hydroxide was introduced in this paper, which is a simple method.

本文介绍一种简单、方便、快捷的测定胶体硅微粒比表面积、粒径的方法——碱滴定法，适合工厂及研究中使用。