| 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 |
| 30081 | Undecylenic Acids | 十一碳烯酸类 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 30082 | Underachievement | 成绩不良 | 225 | 0 | 62 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 302 |
| 30083 | Unemployment | 失业 | 3579 | 2 | 268 | 2686 | 25 | 2 | 0 | 0 | 0 | 0 | 6562 |
| 30084 | Unfolded Protein Response | 未折叠蛋白反应 | 108 | 22 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 147 |
| 30085 | Unguentum | 膏剂 | 18607 | 162 | 1209 | 1182 | 87 | 185 | 1612 | 0 | 1 | 8 | 23053 |
| 30086 | Unified Medical Language System | 统一医学语言系统 | 43 | 3 | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 57 |
| 30087 | Unilamellar Liposomes | 单室脂质体 | 42 | 1 | 10 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 55 |
| 30088 | Unio | 珠蚌属 | 29 | 0 | 23 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 55 |
| 30089 | Unionidae | 蚌科 | 166 | 3 | 55 | 6 | 0 | 0 | 3 | 0 | 0 | 0 | 233 |
| 30090 | Uniparental Disomy | 单亲二体性 | 60 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 |
| 30091 | United States Agency for Healthcare Research and Quality | 美国卫生保健质量和研究署 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 30092 | United States Agency for International Development | 美国国际开发署 | 46 | 0 | 11 | 29 | 6 | 0 | 0 | 0 | 0 | 0 | 92 |
| 30093 | United States Department of Defense | 美国国防部 | 339 | 0 | 40 | 389 | 0 | 0 | 0 | 0 | 0 | 0 | 768 |
| 30094 | United States Department of Homeland Security | 美国国土安全部 | 5 | 0 | 0 | 58 | 0 | 0 | 0 | 0 | 0 | 0 | 63 |
| 30095 | United States Dept. of Health and Human Services | 美国卫生和人类服务部 | 4193 | 21 | 278 | 582 | 1 | 0 | 0 | 0 | 0 | 0 | 5075 |
| 30096 | United States Food and Drug Administration | 美国食品和药物管理局 | 608 | 0 | 10 | 295 | 0 | 0 | 0 | 0 | 0 | 0 | 913 |
| 30097 | United States Health Resources and Services Administration | 美国卫生资源和服务管理局 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 30098 | United States Office of National Drug Control Policy | 美国国家药物控制政策办公室 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 30099 | United States Public Health Service | 美国公共卫生署 | 672 | 1 | 15 | 297 | 0 | 0 | 0 | 0 | 0 | 0 | 985 |
| 30100 | United States Substance Abuse and Mental Health Services Administration | 美国物质滥用和精神卫生管理局 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |