| 序号 | 英文主题词 | 中文主题词 | 命中文献数量（篇） |
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| 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 | | 981 | Nanopores | 纳米孔 | 31 | 3 | 4 | 5 | 0 | 1 | 4 | 0 | 0 | 0 | 48 | | 982 | Nasal Sprays | 鼻腔喷雾 | 70 | 2 | 2 | 5 | 0 | 0 | 4 | 0 | 0 | 0 | 83 | | 983 | Natural Orifice Endoscopic Surgery | 自然腔道内镜手术 | 2464 | 36 | 263 | 10 | 6 | 3 | 1 | 0 | 0 | 0 | 2783 | | 984 | Necrobiotic Xanthogranuloma | 渐进性坏死黄色肉芽肿 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 985 | Necrolytic Migratory Erythema | 坏死松解性游走性红斑 | 17 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | | 986 | Neglected Diseases | 被忽视疾病 | 31 | 1 | 1 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 50 | | 987 | Nematocyst | 刺丝囊 | 40 | 2 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 49 | | 988 | Nematodirus | 细颈线虫属 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 989 | Neointima | 新内膜 | 62 | 4 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 72 | | 990 | Neural Prostheses | 神经假体 | 849 | 42 | 98 | 168 | 12 | 13 | 48 | 0 | 0 | 0 | 1232 | | 991 | Neural Stem Cells | 神经干细胞 | 3391 | 685 | 435 | 168 | 42 | 65 | 12 | 0 | 0 | 0 | 4798 | | 992 | Neurocan | 神经蛋白聚糖 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | | 993 | Neurofeedback | 脑电生物反馈 | 128 | 6 | 15 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 155 | | 994 | Neuroprostanes | 神经前列腺素 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 995 | Neuropsychiatry | 神经精神病学 | 118 | 1 | 3 | 1 | 3 | 0 | 2 | 0 | 0 | 0 | 128 | | 996 | Nitrification | 硝化作用 | 44 | 18 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 78 | | 997 | Nitrogen Cycle | 氮循环 | 101 | 53 | 45 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 203 | | 998 | Nonsteroidal Anti-Androgens | 非类固醇类抗雄激素 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | | 999 | Norwood Procedures | Norwood手术 | 132 | 5 | 4 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 145 | | 1000 | Not-For-Profit Insurance Plans | 非营利保险计划 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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