| 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 |
| 141 | Nasturtium | 豆瓣菜属 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 142 | Natal Teeth | 胎生牙 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 |
| 143 | Natamycin | 纳他霉素 | 181 | 12 | 28 | 14 | 1 | 1 | 3 | 1 | 0 | 2 | 243 |
| 144 | National Academy of Sciences (U.S.) | 国家科学院(美国) | 232 | 0 | 8 | 187 | 0 | 0 | 0 | 0 | 0 | 0 | 427 |
| 145 | National Cancer Institute (U.S.) | 国立癌症研究所(美国) | 356 | 0 | 12 | 45 | 0 | 0 | 0 | 0 | 0 | 0 | 413 |
| 146 | National Center for Health Care Technology (U.S.) | 国家卫生保健技术中心(美国) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 147 | National Center for Health Statistics (U.S.) | 国家卫生统计中心(美国) | 8 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 |
| 148 | National Eye Institute (U.S.) | 国立眼科研究所(美国) | 17 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 18 |
| 149 | National Health Planning Information Center (U.S.) | 国家卫生计划信息中心(美国) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 150 | National Health Programs | 国家卫生规划 | 2613 | 11 | 61 | 448 | 1540 | 3 | 1 | 0 | 0 | 0 | 4677 |
| 151 | National Heart, Lung, and Blood Institute (U.S.) | 国立心肺与血液研究所(美国) | 107 | 1 | 14 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 125 |
| 152 | National Human Genome Research Institute (U.S.) | 国立人体基因组研究所(美国) | 10 | 1 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 15 |
| 153 | National Institute for Occupational Safety and Health (U.S.) | 国立职业安全与卫生研究所(美国) | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 |
| 154 | National Institute of Allergy and Infectious Diseases (U.S.) | 国立变态反应与传染病研究所(美国) | 79 | 0 | 8 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 96 |
| 155 | National Institute of Arthritis and Musculoskeletal and Skin Diseases (U.S.) | 国立关节炎、骨骼与皮肤病研究所(美国) | 7 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 |
| 156 | National Institute of Biomedical Imaging and Bioengineering (U.S.) | 国立生物医学成像与生物工程研究所(美国) | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
| 157 | National Institute of Child Health and Human Development (U.S.) | 国立儿童健康与人类发育研究所(美国) | 37 | 0 | 17 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 55 |
| 158 | National Institute of Dental and Craniofacial Research (U.S.) | 国立牙科与颅面研究所(美国) | 16 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 |
| 159 | National Institute of Diabetes and Digestive and Kidney Diseases (U.S.) | 国立糖尿病、消化与肾病研究所(美国) | 24 | 0 | 20 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 46 |
| 160 | National Institute of Environmental Health Sciences (U.S.) | 国立环境卫生科学研究所(美国) | 15 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 35 |