Biological denitrogenation technology, which removes more nitrogen from the original average processing by rate of 2% ammoniac nitrogen is narrated in aspects of theory, equipment and processes.
从原理、设备与流程等方面叙述了生物脱氮技术，使原来平均处理率仅为2%的氨氮得到了较为满意的效果。
It is found that slags decrease the rate of vacuum denitrogenation and vacuum argon blowing decreases the denitrogenation resistance of slags.
结果表明，熔渣降低真空脱氮速率，底吹氩能减少熔渣对真空脱氮的阻力。
It is found that slags decrease the rate of vacuum denitrogenation and vacuum argon blowing decreases the denitrogenation resistance of slags.
结果表明，熔渣降低真空脱氮速率，底吹氩能减少熔渣对真空脱氮的阻力。
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