silicam二亚氨基硅silican.硅石；矽土Silica-oil-and-grease硅油脂silica magnetic microspheres二氧化硅磁性微球silica - based microsphere硅基微球silica supported Pt catalyst硅胶负载铂催化剂silica-coated nanoparticle壳核型纳米颗粒silica/activated magnesia硅胶/氧化镁除氟剂silica gel absorption column硅胶柱silica fume fly ash concrete硅粉粉煤灰混凝土silica-gel desiccant wheel硅胶除湿转轮Silica column chromatography硅胶柱色谱