碳、氮、磷比例失调（碳量偏低）城市污水的脱氮除磷一直是个难题，为此采用SBR法处理广州地区低碳城市污水，研究了生物除磷效果及其影响因素。
Based on this, test was made on low carbon source urban wastewater treatment in Guangzhou region by using SBR process to investigate the effect and affecting factors of biological phosphorus removal.
对碳电热还原法生产的共晶铝硅合金加锰自然沉降法除铁进行了研究。
The removing iron process by natural deposition of eutectic Al-Si alloys produced by carbothermal reduction was studied.
羟基磷灰石的降氟方法优于目前较普及的活性氧化铝、骨碳和电渗析除氟法。
Hydroxyapatite method has advantage over the methods such as actived alumina, bone char and electrodialysis commonly used in defluorination of drinking water. It is for this re...
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