最后，提出了氮氧化物排放控制对策措施。
Finally, the countermeasures on controlling nitrogen oxides discharge are put forward.
炉内添加石灰石脱硫对锅炉氮氧化物排放的影响很微弱。
The desulfurization with limestone in the boiler has little influence on emission of NOx.
评价硝酸尾气治理方法，探讨硝酸生产中降低氮氧化物排放的途径。
The controlling methods of nitric acid tail gas is evaluated, and the ways to reduce the quantity of nitric oxide emission in nitric acid process is explored.
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