| 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 | | 661 | Methyltyrosines | 甲基酪氨酸类 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | | 662 | Methylthioinosine | 甲基硫代肌苷 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 663 | Methyl Green | 甲基绿 | 102 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 108 | | 664 | Methylergonovine | 甲基麦角新碱 | 17 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 18 | | 665 | Methylococcaceae | 甲基球菌科 | 29 | 0 | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 35 | | 666 | Methylococcus | 甲基球菌属 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | | 667 | Methylosinus | 甲基弯菌属 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 668 | Methylcellulose | 甲基纤维素 | 2639 | 92 | 172 | 117 | 5 | 4 | 34 | 0 | 0 | 1 | 3064 | | 669 | Methylobacillus | 甲基芽孢杆菌属 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 670 | Methylnitrosourea | 甲基亚硝脲 | 47 | 3 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 53 | | 671 | Methylazoxymethanol Acetate | 甲基氧化偶氮甲醇醋酸酯 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 672 | Methylmethacrylate | 甲基异丁烯酸 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | | 673 | Methylobacterium extorquens | 甲基营养菌属 | 11 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | | 674 | Methylophilus methylotrophus | 甲基营养嗜甲基菌 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 675 | Methyltransferases | 甲基转移酶类 | 1005 | 190 | 118 | 20 | 15 | 5 | 4 | 0 | 0 | 0 | 1357 | | 676 | Methylhistidines | 甲基组氨酸类 | 29 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | | 677 | Methylhistamines | 甲基组胺类 | 31 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 32 | | 678 | Methaqualone | 甲喹酮 | 170 | 0 | 3 | 10 | 2 | 0 | 0 | 0 | 0 | 1 | 187 | | 679 | Methionine | 甲硫氨酸 | 2387 | 122 | 190 | 129 | 6 | 7 | 52 | 10 | 0 | 12 | 2916 | | 680 | Methionine-tRNA Ligase | 甲硫氨酸tRNA连接酶 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
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