pnas.org 的自然流量、热门关键词、排名和 SEO 数据。
| # | 关键词 | 搜索量 | KD | CPC | 预计流量 | 排名 | 国家 |
|---|---|---|---|---|---|---|---|
| 1 | pnas impact factor | 12,200 | 22 | N/A | 5,551 | 1 |  US |
| 2 | mechanical isolation | 8,100 | 27 | $1.13 | 607 | 4 | US |
| 3 | sister chromatids separate during | 3,200 | 34 | N/A | 552 | 2 | US |
| 4 | electrochemical series | 8,700 | 21 | $0.46 | 478 | 5 |  IN |
| 5 | default mode network | 8,600 | 27 | $4.46 | 473 | 5 | US |
| 6 | proceedings of the national academy of sciences | 1,600 | 16 | $0.00 | 472 | 1 | IN |
| 7 | proteolytic enzymes | 7,500 | 26 | $0.64 | 412 | 5 | US |
| 8 | veil of ignorance | 10,800 | 33 | $0.99 | 378 | 6 | US |
| 9 | impulsivity | 12,000 | 28 | $2.45 | 300 | 7 | US |
| 10 | echo chamber | 3,900 | 15 | $0.50 | 292 | 4 |  UK |
| 11 | yangtze river | 20,100 | 29 | $0.88 | 251 | 9 | US |
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