In Malan Loess, the three nitrogen transform by nitrification and denitrification. 在马兰黄土中,影响三氮转化的主要作用有硝化作用和反硝化作用。
Mature technologies are applied to power plants including desulfurization, denitrification and low nitrogen combustion procedures. 成熟的燃煤污染控制技术主要应用于发电厂,包括脱硫、氮工艺或低氮燃烧。
All currently operating coal-fired power plants in Beijing should be transformed, and adoption of desulfurization and denitrification procedures will be completed before2005 so that the total emissions of SO2 and NOx will be d 对于目前北京在用的燃煤发电厂,需要在2005年以前全部改造并使用脱硫、氮工艺,努力降低二氧化硫和氮氧化物的排放总量。
Denitrification \De*ni`tri*fi*ca"tion\, n. The act or process of freeing from nitrogen; also, the condition resulting from the removal of nitrogen.