porous silica的用法和样例：
例句
- Recent progress of electroluminescence based on porous silicon was reviewed.
摘要综述了多孔硅电致发光研究进展。 - It is considered that the porous silicon rock powder is a good natural active mixing material and is able to make mixing material portland cement or composite portland cement.
认为多孔硅质岩矿粉是一种良好的天然活性混合材料，可用于制作掺混合材料的硅酸盐水泥或复合硅酸盐水泥。
