浮游植物与陆地植物一样，根据不同种类需要各级的硝酸盐、磷酸盐、硅酸盐以及钙等营养物质。
Phytoplankton, like land plants, require nutrients such as nitrate, phosphate, silicate, and calcium at various levels depending on the species.
一些稀有成分。包括碳酸钙和硅酸盐，能够帮助牙齿防止食物粘在上面，同时去除细菌和污垢。
Scratchy materials, including calcium carbonate and silicates, help remove food, bacteria, and some stains from your teeth.
研究了一种新型耐火风管的制造方法，探讨了在一定的工艺条件下耐火风管主材-无石棉硅酸钙板的模压成型配方。
By a given moulding technique condition, the details of contents for producing asbestos-free calcium silicate board, the primary material for the fire duct, were discussed.
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