a new method to determine silicon dioxide in powder coal ash has been stated. the method is feasible, fast and accurate.
提出了一种新的测定粉煤灰中二氧化硅的方法,该方法简单易行、快速、準确。
the paper expounded that produced building materials with powder coal ash in burning-coal plant. it discussed the technology and the production technology.
阐述用燃煤电厂固体废物粉煤灰生产建材产品方案技术对比、粉煤灰砖生产工艺及技术。
the experiment on adsorption and biochemical treatment of the pollutant of waste water from oil production by powder coal ash of power plant and oxidation pond of ash field have been conducted.
利用电厂粉煤灰及灰场氧化塘对现河首站采油废水中的污染物进行吸附和生化处理试验。