Nitaln.硝酸乙醇腐蚀液nitn.虱子；没用的人nitrification-denitrification硝化-反硝化Nitella hyalina var. ramulosan.无色丽藻多枝变种Nitella mirabilis var. liberan.奇异丽藻疏枝变种nitroso-indole-nitrate test亚硝基吲哚硝酸盐试验:检吲哚及甲基吲哚nitrosyl sulfuric acid...亚硝基硫酸Nitrous Oxide-Acetylene Flame一氧化二氮-乙炔火焰nitrilotrimethylphosphonic acid氮川三甲基膦酸nitrosification denitrification亚硝酸型硝化反硝化nitroso-N-methyl-urethane亚硝基甲基尿烷Nitrification-denitrifieation硝化-反硝化