| 序号 | 英文主题词 | 中文主题词 | 命中文献数量(篇) | 
|---|
| 期刊 | 博硕士论文 | 会议论文 | 报纸 | 年鉴 | 成果 | 专利 | 国家标准 | 行业标准 | 标准 | 总计 | 
| 41 | NK Cell Lectin-Like Receptor Subfamily K | NK细胞凝集素样受体亚家族K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 
| 42 | NM23 Nucleoside Diphosphate Kinases | NM23核苷二磷酸激酶 | 14 | 1 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 19 | 
| 43 | N-Methyl-3,4-methylenedioxyamphetamine | N-甲基-3,4-亚甲二氧苯丙胺 | 79 | 6 | 20 | 7 | 2 | 0 | 1 | 0 | 0 | 0 | 115 | 
| 44 | N-Methylscopolamine | N-甲基东莨菪碱 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 
| 45 | N-Methylaspartate | N-甲基天冬氨酸 | 728 | 172 | 108 | 4 | 5 | 5 | 14 | 0 | 0 | 0 | 1036 | 
| 46 | N-Formylmethionine | N-甲酰甲硫氨酸 | 7 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 
| 47 | N-Formylmethionine Leucyl-Phenylalanine | N-甲酰甲硫氨酰亮氨酰-苯丙氨酸 | 7 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 
| 48 | N-substituted Glycines | N-取代甘氨酸 | 1295 | 32 | 66 | 29 | 7 | 5 | 34 | 0 | 0 | 1 | 1470 | 
| 49 | N-Glycosyl Hydrolases | N-糖基水解酶类 | 731 | 69 | 56 | 14 | 3 | 12 | 12 | 0 | 0 | 1 | 898 | 
| 50 | N-Acylsphingosine Galactosyltransferase | N-酰基鞘氨醇半乳糖转移酶 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 
| 51 | N-Acylneuraminate Cytidylyltransferase | N-酰基神经氨酸胞啶酰转移酶 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 
| 52 | N-Nitrosopyrrolidine | N-亚硝基吡咯烷 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 
| 53 | N-Ethylmaleimide-Sensitive Proteins | N-乙基顺丁烯二酰亚胺敏感蛋白质类 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 
| 54 | N-Acetylgalactosamine-4-Sulfatase | N-乙酰氨基半乳糖-4-硫酸酯酶 | 5 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 7 | 
| 55 | N-Acetylgalactosaminyltransferases | N-乙酰氨基半乳糖转移酶类 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 
| 56 | N-Acetylhexosaminyltransferases | N-乙酰氨基己糖转移酶类 | 30 | 6 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 37 | 
| 57 | N-Acetylglucosaminyltransferases | N-乙酰氨基葡糖转移酶类 | 30 | 6 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 37 | 
| 58 | N-Acetylmuramoyl-L-alanine Amidase | N-乙酰胞壁酰-L-丙氨酸酰胺酶 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 
| 59 | N-Acetyllactosamine Synthase | N-乙酰乳糖胺合酶 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 
| 60 | N-Acetylneuraminic Acid | N-乙酰神经氨酸 | 1903 | 63 | 99 | 6 | 23 | 15 | 10 | 0 | 0 | 0 | 2119 |