矽肺病是一种因长期吸入二氧化硅粉尘而导致的呼吸系统衰竭的疾病，二氧化硅可用于生产玻璃制品，光纤，水泥等物品。
Silicosis is a disabling respiratory disease caused by inhaling silica dust, which is used in the production of glass products, optical fibers, cement, and more.
这样的二氧化硅在存在水的情况下加到水泥中时。
Such silica can react when added to cement in the presence of water.
稻壳灰含有高二氧化硅(SiO2)，可作为原料瓷砖使用，取代水泥，生产白炭黑，肥料和土壤调理剂的原料。
Rice Husk Ash have high silica (SiO2) can be used as raw material in Ceramic Tiles, Replace Cement, Produce Precipitated silica, and raw material for fertilizer and soil conditioner.
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