NNEn.东北北
nn.字母n
N -regular-polygon coaxial transmission line正N边形同轴传输线
N-methyl-N'-nitro-N-nitroso-guanidine多极神经元
N-benzoyl-L-tyrosyl-P-aminobenzoic acid胰功肽
N-formyl-L-phenyl alanine thiosemicarbazideN-甲酰-L-苯基丙氨酸氨基硫脲
N-methanesulfonoxy-ethyl-p-nitrosoanilineN-甲磺氧基乙基对亚硝基苯胺
n-propyl alcohol-water coprecipitation method正丙醇-水共沉淀法
N-methyl-N'-nitro-N-nitroso-guani dine神经元前体细胞
N-hydrocarbylation of Theobromine under Microwave微波辐射下可可碱的N-烃基化
N-benzoyl-L-tyrosyl-P-aminobenzoic acid N苯甲酰(基)-L-酪氨酰(基)-对-氨基苯甲酸