在厌氧条件下，硝酸盐和亚硝酸盐通过脱硝作用被还原。
Under anaerobic conditions nitrates and nitrites are both reduced by a process called denitrification.
为研究分解炉内煤粉燃烧和碳酸钙分解的耦合作用及分解炉内脱硝技术开发提供参考。
The reference is provided for the study of the coupling of coal combustion and calcium carbonate decomposition as well as the development of NO removal technique.
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