nitonn.氡Nt(氡Em)nitn.虱子；没用的人Nitzschia amoyensisn.厦门菱形藻Nitzschia fonticolan.泉水菱形藻Nitzschia compressan.扁面菱形藻Nitzschia petitianan.毕氏菱形藻nitrofurazone cream呋喃西林乳膏nitrilo acetic acid氮川乙酸nitro-cyclohexanen.硝基环乙烷nitropropionic acid硝基丙酸nitroaniline orange硝基苯胺橙nitroblue tetrazole四唑氮蓝