nitonn.氡Nt(氡Em)
nitn.虱子;没用的人
nitrocellulose dope硝化纤维涂料
Nitzschia denticulan.齿菱形藻
nitrocellulose lift硝酸纤维素滤膜揭掀
Nitro-Mack Retard疗通脉缓释胶囊
Nitella bengalensisn.孟加拉丽藻
Niton eduction rate氡析出率
nitrating apparatus硝化器
Nitzschia majusculan.较大菱形藻
Nitzschia frustulumn.碎片菱形藻
nitroalkane oxydase硝基烷氧化酶