The main body is made of one of soft plastics or silicagels.
上述本 体的材质为柔软的塑料或硅胶其中之一。
2
Silicagels with the high specific surface area and the high adsorption activity have been prepared from water glass and HCL through the process of adding surfactant.
以水玻璃和盐酸为原料,通过添加表面活性剂制备出高比表面、高吸附活性的硅胶。
3
Gel-permeation columns based upon soft gels still can be problematic, but you shouldn't worry when using silica-based packings.