1. The NOx removal is a difficult problem in air pollution control. 氮氧化物的脱除是治理空气污染的一大难题。
2. The only relevant factor, therefore, is the emission of nitric oxides (NOX) generated above all at particularly high combustion temperatures. 唯一相关的因素，因此，对（NOx）的氮氧化物排放量在上述所有生成的燃烧温度特别高。
3. The application of selective catalytic reduction technology in coal-fired power plant is introduced and the development orientation of SCR NOx technology is also pointed out. 介绍了选择性催化还原法（SCR）技术及其在中国燃煤电厂的应用，并指出了中国燃煤电厂SCR脱硝技术的发展方向。
英英解释
n.
1. Roman goddess of night; daughter of Erebus; counterpart of Greek Nyx
